./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1336796524 <...> .> [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7266 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./127/bus") = 0 [pid 5004] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./127/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./127") = 0 [pid 5004] mkdir("./128", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 ./strace-static-x86_64: Process 7266 attached [pid 7266] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7266] chdir("./129") = 0 [pid 7266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7266] setpgid(0, 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7266] <... setpgid resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7267 [pid 7266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7267 attached ) = 3 [pid 7266] write(3, "1000", 4 [pid 7267] set_robust_list(0x5555568c85e0, 24 [pid 7266] <... write resumed>) = 4 [pid 7267] <... set_robust_list resumed>) = 0 [pid 7266] close(3 [pid 7267] chdir("./128" [pid 7266] <... close resumed>) = 0 [pid 7267] <... chdir resumed>) = 0 [pid 7266] symlink("/dev/binderfs", "./binderfs" [pid 7267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7266] <... symlink resumed>) = 0 [pid 7267] <... prctl resumed>) = 0 [pid 7266] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7267] setpgid(0, 0 [pid 7266] <... futex resumed>) = 0 [pid 7265] <... write resumed>) = 4194304 [pid 7267] <... setpgid resumed>) = 0 [pid 7266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7265] munmap(0x7fe58005a000, 4194304 [pid 7267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7266] <... mmap resumed>) = 0x7fe58845a000 [pid 7267] <... openat resumed>) = 3 [pid 7266] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7267] write(3, "1000", 4 [pid 7266] <... mprotect resumed>) = 0 [pid 7267] <... write resumed>) = 4 [pid 7266] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7267] close(3 [pid 7265] <... munmap resumed>) = 0 [pid 7267] <... close resumed>) = 0 [pid 7266] <... clone resumed>, parent_tid=[7268], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7268 [pid 7265] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7267] symlink("/dev/binderfs", "./binderfs" [pid 7266] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7268 attached [pid 7267] <... symlink resumed>) = 0 [pid 7266] <... futex resumed>) = 0 [pid 7265] ioctl(4, LOOP_SET_FD, 3 [pid 7267] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7267] <... futex resumed>) = 0 [pid 7268] set_robust_list(0x7fe58847a9e0, 24 [pid 7265] <... ioctl resumed>) = 0 [pid 7267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7268] <... set_robust_list resumed>) = 0 [pid 7267] <... mmap resumed>) = 0x7fe58845a000 [pid 7265] close(3 [pid 7268] memfd_create("syzkaller", 0 [pid 7267] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7265] <... close resumed>) = 0 [pid 7268] <... memfd_create resumed>) = 3 [pid 7267] <... mprotect resumed>) = 0 [pid 7265] mkdir("./bus", 0777 [pid 7268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7267] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7264] <... write resumed>) = 4194304 [pid 7265] <... mkdir resumed>) = 0 [pid 7268] <... mmap resumed>) = 0x7fe58005a000 [pid 7265] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7264] munmap(0x7fe58005a000, 4194304./strace-static-x86_64: Process 7269 attached [pid 7269] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7269] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7267] <... clone resumed>, parent_tid=[7269], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7269 [pid 7267] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7267] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7269] <... futex resumed>) = 0 [pid 7269] memfd_create("syzkaller", 0) = 3 [pid 7264] <... munmap resumed>) = 0 [pid 7269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7264] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7269] <... mmap resumed>) = 0x7fe58005a000 [pid 7264] <... openat resumed>) = 4 [pid 7264] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7264] close(3) = 0 [pid 7264] mkdir("./bus", 0777) = 0 [ 195.818966][ T7265] loop5: detected capacity change from 0 to 8192 [ 195.846916][ T7265] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 195.862649][ T7264] loop2: detected capacity change from 0 to 8192 [pid 7264] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 195.880115][ T7264] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 195.891308][ T7265] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 195.900853][ T7264] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 195.903302][ T7265] REISERFS (device loop5): using ordered data mode [ 195.918137][ T7265] reiserfs: using flush barriers [pid 7269] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 195.924668][ T7265] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 195.938490][ T7264] REISERFS (device loop2): using ordered data mode [ 195.941650][ T7265] REISERFS (device loop5): checking transaction log (loop5) [ 195.954817][ T7264] reiserfs: using flush barriers [ 195.962383][ T7265] REISERFS (device loop5): Using r5 hash to sort names [pid 7268] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7269] <... write resumed>) = 4194304 [pid 7269] munmap(0x7fe58005a000, 4194304) = 0 [pid 7269] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7269] ioctl(4, LOOP_SET_FD, 3) = 0 [ 195.971199][ T7264] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 195.983125][ T7265] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 196.000123][ T7264] REISERFS (device loop2): checking transaction log (loop2) [ 196.012956][ T7269] loop1: detected capacity change from 0 to 8192 [ 196.019409][ T7264] REISERFS (device loop2): Using r5 hash to sort names [pid 7269] close(3) = 0 [pid 7269] mkdir("./bus", 0777) = 0 [pid 7269] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7265] <... mount resumed>) = 0 [pid 7268] <... write resumed>) = 4194304 [pid 7268] munmap(0x7fe58005a000, 4194304) = 0 [pid 7268] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7268] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7265] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7264] <... mount resumed>) = 0 [pid 7265] <... openat resumed>) = 3 [pid 7264] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7265] chdir("./bus" [pid 7264] <... openat resumed>) = 3 [pid 7265] <... chdir resumed>) = 0 [pid 7264] chdir("./bus" [pid 7265] ioctl(4, LOOP_CLR_FD [pid 7264] <... chdir resumed>) = 0 [pid 7265] <... ioctl resumed>) = 0 [pid 7264] ioctl(4, LOOP_CLR_FD [pid 7265] close(4 [pid 7264] <... ioctl resumed>) = 0 [pid 7265] <... close resumed>) = 0 [pid 7264] close(4 [pid 7265] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... close resumed>) = 0 [pid 7265] <... futex resumed>) = 1 [pid 7264] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7264] <... futex resumed>) = 1 [pid 7264] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7268] close(3) = 0 [pid 7268] mkdir("./bus", 0777) = 0 [ 196.026886][ T7265] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 196.038589][ T7264] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 196.052050][ T7264] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 196.061004][ T7268] loop4: detected capacity change from 0 to 8192 [pid 7268] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7263] <... futex resumed>) = 0 [pid 7262] <... futex resumed>) = 0 [pid 7263] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] <... futex resumed>) = 0 [pid 7264] <... futex resumed>) = 0 [pid 7263] <... futex resumed>) = 1 [pid 7262] <... futex resumed>) = 1 [pid 7265] mkdir("./file1", 000 [pid 7264] mkdir("./file1", 000 [pid 7265] <... mkdir resumed>) = 0 [pid 7264] <... mkdir resumed>) = 0 [pid 7263] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7262] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7265] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] <... futex resumed>) = 0 [pid 7264] <... futex resumed>) = 0 [pid 7265] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7264] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 196.074986][ T7269] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 196.093122][ T7268] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 196.101251][ T7269] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 196.106915][ T7268] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 196.116748][ T7269] REISERFS (device loop1): using ordered data mode [pid 7263] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] <... futex resumed>) = 0 [pid 7263] <... futex resumed>) = 1 [pid 7262] <... futex resumed>) = 1 [pid 7265] mkdir("./bus", 000 [pid 7263] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7262] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7265] <... mkdir resumed>) = 0 [pid 7265] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7263] <... futex resumed>) = 0 [pid 7265] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7263] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7263] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7264] <... futex resumed>) = 0 [pid 7264] mkdir("./bus", 000) = 0 [pid 7264] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7262] <... futex resumed>) = 0 [pid 7264] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 196.124582][ T7268] REISERFS (device loop4): using ordered data mode [ 196.138466][ T7269] reiserfs: using flush barriers [ 196.138839][ T7268] reiserfs: using flush barriers [ 196.144302][ T7265] overlayfs: upper fs needs to support d_type. [ 196.149714][ T7268] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 196.172287][ T7268] REISERFS (device loop4): checking transaction log (loop4) [pid 7262] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7262] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7264] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7263] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7263] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7263] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7274], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7274 [pid 7263] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7263] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7274 attached [pid 7274] set_robust_list(0x7fe5804599e0, 24) = 0 [ 196.180673][ T7268] REISERFS (device loop4): Using r5 hash to sort names [ 196.188123][ T7268] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 196.203834][ T7264] overlayfs: upper fs needs to support d_type. [ 196.204084][ T7269] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7274] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7274] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7262] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7262] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] <... mount resumed>) = 0 [pid 7268] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7268] chdir("./bus") = 0 [pid 7268] ioctl(4, LOOP_CLR_FD) = 0 [pid 7268] close(4) = 0 [pid 7268] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 196.210023][ T7264] overlayfs: upper fs does not support tmpfile. [ 196.210489][ T7264] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 196.235518][ T7269] REISERFS (device loop1): checking transaction log (loop1) [ 196.241928][ T7265] overlayfs: upper fs does not support tmpfile. [ 196.249300][ T7268] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 196.256350][ T7274] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7268] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7266] <... futex resumed>) = 0 [pid 7262] <... futex resumed>) = 0 [pid 7266] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7266] <... futex resumed>) = 1 [pid 7268] <... futex resumed>) = 0 [pid 7266] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7262] <... mmap resumed>) = 0x7fe580439000 [pid 7262] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7268] mkdir("./file1", 000 [pid 7262] <... mprotect resumed>) = 0 [pid 7268] <... mkdir resumed>) = 0 [pid 7268] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7268] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7274] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7266] <... futex resumed>) = 0 [pid 7262] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7274] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] <... futex resumed>) = 1 [pid 7266] <... futex resumed>) = 1 [pid 7263] <... futex resumed>) = 0 [pid 7262] <... clone resumed>, parent_tid=[7275], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7275 [pid 7274] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7266] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7262] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] <... futex resumed>) = 0 [pid 7262] <... futex resumed>) = 0 [pid 7268] mkdir("./bus", 000 [pid 7265] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7264] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7262] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7265] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7265] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7268] <... mkdir resumed>) = 0 [pid 7264] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... futex resumed>) = 0 [pid 7268] <... futex resumed>) = 1 [pid 7266] <... futex resumed>) = 0 [pid 7264] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7263] exit_group(0 [pid 7268] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7266] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] <... exit_group resumed>) = ? [pid 7274] <... futex resumed>) = ? [pid 7268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7266] <... futex resumed>) = 0 [pid 7265] <... futex resumed>) = ? [pid 7274] +++ exited with 0 +++ [pid 7268] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 196.275299][ T7264] overlayfs: failed to resolve './file0': -2 [ 196.285938][ T7269] REISERFS (device loop1): Using r5 hash to sort names [ 196.290536][ T7265] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 196.299314][ T7269] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 196.302165][ T7265] overlayfs: failed to resolve './file0': -2 [ 196.314743][ T7269] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7266] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7275 attached [pid 7265] +++ exited with 0 +++ [pid 7269] <... mount resumed>) = 0 [pid 7263] +++ exited with 0 +++ [pid 7269] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7263, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7269] chdir("./bus" [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 7269] <... chdir resumed>) = 0 [pid 7269] ioctl(4, LOOP_CLR_FD) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 7269] close(4 [pid 7275] set_robust_list(0x7fe5804599e0, 24 [pid 7269] <... close resumed>) = 0 [pid 7269] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7269] <... futex resumed>) = 1 [pid 7267] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7275] <... set_robust_list resumed>) = 0 [pid 7269] mkdir("./file1", 000 [pid 7267] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7275] mkdir(".", 0777 [pid 7269] <... mkdir resumed>) = 0 [pid 7267] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7269] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7267] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] fstat(3, [pid 7275] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7269] <... futex resumed>) = 0 [pid 7267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7269] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7267] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(3, [pid 7269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7267] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7269] mkdir("./bus", 000 [pid 7267] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7269] <... mkdir resumed>) = 0 [pid 7269] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7267] <... futex resumed>) = 0 [pid 7269] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7267] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7267] <... futex resumed>) = 0 [pid 7269] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7267] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7275] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7268] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7266] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7268] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7266] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7266] <... futex resumed>) = 0 [pid 7268] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 196.339041][ T7268] overlayfs: upper fs needs to support d_type. [ 196.346084][ T7268] overlayfs: upper fs does not support tmpfile. [ 196.353864][ T7268] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 196.365052][ T7268] overlayfs: failed to resolve './file0': -2 [ 196.377365][ T7269] overlayfs: upper fs needs to support d_type. [pid 7266] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7275] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7275] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7275] <... futex resumed>) = 1 [pid 7262] <... futex resumed>) = 0 [pid 7275] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7262] exit_group(0 [pid 7275] <... futex resumed>) = ? [pid 7262] <... exit_group resumed>) = ? [pid 7275] +++ exited with 0 +++ [pid 7268] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] <... futex resumed>) = 0 [pid 7266] exit_group(0) = ? [ 196.399566][ T7275] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 196.401374][ T7269] overlayfs: upper fs does not support tmpfile. [ 196.420164][ T7268] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 196.422136][ T7269] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7264] <... futex resumed>) = ? [pid 7267] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7267] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7267] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7276], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7276 [pid 7267] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7267] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7268] <... futex resumed>) = ? [pid 7268] +++ exited with 0 +++ [pid 7266] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7266, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7264] +++ exited with 0 +++ [pid 7262] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7262, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- ./strace-static-x86_64: Process 7276 attached [pid 5005] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7276] set_robust_list(0x7fe5804599e0, 24 [pid 7269] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5005] <... openat resumed>) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, [pid 7276] <... set_robust_list resumed>) = 0 [pid 7269] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7276] mkdir(".", 0777 [pid 7269] <... futex resumed>) = 0 [pid 7269] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] <... mkdir resumed>) = -1 EEXIST (File exists) [ 196.444392][ T7269] overlayfs: failed to resolve './file0': -2 [pid 7276] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./131/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./131/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./131/bus") = 0 [pid 7276] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7276] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7267] <... futex resumed>) = 0 [pid 7267] exit_group(0 [pid 7276] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7269] <... futex resumed>) = ? [pid 7276] <... futex resumed>) = ? [pid 7267] <... exit_group resumed>) = ? [pid 7269] +++ exited with 0 +++ [pid 7276] +++ exited with 0 +++ [pid 7267] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7267, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5004] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./128/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./131/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [ 196.495382][ T7276] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] <... umount2 resumed>) = 0 [pid 5008] rmdir("./131" [pid 5005] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./130/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./130/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./130/bus" [pid 5008] <... rmdir resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5008] mkdir("./132", 0777 [pid 5005] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./130/binderfs", [pid 5008] <... mkdir resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5005] unlink("./130/binderfs" [pid 5008] <... openat resumed>) = 3 [pid 5005] <... unlink resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5005] getdents64(3, [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5005] close(3 [pid 5008] <... close resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5005] rmdir("./130") = 0 [pid 5005] mkdir("./131", 0777) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7277 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7278 ./strace-static-x86_64: Process 7277 attached [pid 7277] set_robust_list(0x5555568c85e0, 24./strace-static-x86_64: Process 7278 attached ) = 0 [pid 7278] set_robust_list(0x5555568c85e0, 24 [pid 7277] chdir("./132") = 0 [pid 7278] <... set_robust_list resumed>) = 0 [pid 7278] chdir("./131" [pid 7277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7278] <... chdir resumed>) = 0 [pid 7277] <... prctl resumed>) = 0 [pid 7278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7277] setpgid(0, 0 [pid 7278] <... prctl resumed>) = 0 [pid 7277] <... setpgid resumed>) = 0 [pid 7278] setpgid(0, 0 [pid 7277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7278] <... setpgid resumed>) = 0 [pid 7277] <... openat resumed>) = 3 [pid 7278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7277] write(3, "1000", 4 [pid 7278] <... openat resumed>) = 3 [pid 7277] <... write resumed>) = 4 [pid 7278] write(3, "1000", 4 [pid 7277] close(3 [pid 7278] <... write resumed>) = 4 [pid 7277] <... close resumed>) = 0 [pid 7278] close(3 [pid 7277] symlink("/dev/binderfs", "./binderfs" [pid 7278] <... close resumed>) = 0 [pid 7277] <... symlink resumed>) = 0 [pid 7278] symlink("/dev/binderfs", "./binderfs" [pid 7277] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] <... symlink resumed>) = 0 [pid 7277] <... futex resumed>) = 0 [pid 7278] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7278] <... futex resumed>) = 0 [pid 7277] <... mmap resumed>) = 0x7fe58845a000 [pid 7278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7277] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7278] <... mmap resumed>) = 0x7fe58845a000 [pid 7277] <... mprotect resumed>) = 0 [pid 7278] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7277] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7278] <... mprotect resumed>) = 0 [pid 7278] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7277] <... clone resumed>, parent_tid=[7279], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7279 [pid 7277] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] <... clone resumed>, parent_tid=[7280], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7280 [pid 7277] <... futex resumed>) = 0 [pid 7278] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7278] <... futex resumed>) = 0 [pid 7278] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7279 attached [pid 7279] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7279] memfd_create("syzkaller", 0) = 3 [pid 7279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7279] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7280 attached [pid 5007] lstat("./129/bus", [pid 7280] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7280] <... set_robust_list resumed>) = 0 [pid 5007] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7280] memfd_create("syzkaller", 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7280] <... memfd_create resumed>) = 3 [pid 5007] openat(AT_FDCWD, "./129/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] <... openat resumed>) = 4 [pid 5007] fstat(4, [pid 7280] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./129/bus") = 0 [pid 5007] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./129/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./129") = 0 [pid 5007] mkdir("./130", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5004] <... umount2 resumed>) = 0 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 5004] umount2("./128/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7281 [pid 5004] lstat("./128/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./128/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./128/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./128/bus") = 0 [pid 5004] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./128/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./128" [pid 7280] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... rmdir resumed>) = 0 [pid 5004] mkdir("./129", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 7281 attached [pid 5004] close(3 [pid 7281] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5004] <... close resumed>) = 0 [pid 7281] chdir("./130") = 0 [pid 7281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7281] setpgid(0, 0) = 0 [pid 7281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7282 attached [pid 7281] <... openat resumed>) = 3 [pid 7282] set_robust_list(0x5555568c85e0, 24 [pid 7281] write(3, "1000", 4 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7282 [pid 7282] <... set_robust_list resumed>) = 0 [pid 7281] <... write resumed>) = 4 [pid 7282] chdir("./129" [pid 7281] close(3 [pid 7282] <... chdir resumed>) = 0 [pid 7281] <... close resumed>) = 0 [pid 7282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7281] symlink("/dev/binderfs", "./binderfs" [pid 7282] setpgid(0, 0) = 0 [pid 7281] <... symlink resumed>) = 0 [pid 7282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7281] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... openat resumed>) = 3 [pid 7281] <... futex resumed>) = 0 [pid 7282] write(3, "1000", 4 [pid 7281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7282] <... write resumed>) = 4 [pid 7281] <... mmap resumed>) = 0x7fe58845a000 [pid 7282] close(3 [pid 7281] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7282] <... close resumed>) = 0 [pid 7281] <... mprotect resumed>) = 0 [pid 7282] symlink("/dev/binderfs", "./binderfs" [pid 7281] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7282] <... symlink resumed>) = 0 [pid 7282] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] <... clone resumed>, parent_tid=[7283], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7283 [pid 7282] <... futex resumed>) = 0 [pid 7281] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7281] <... futex resumed>) = 0 [pid 7282] <... mmap resumed>) = 0x7fe58845a000 [pid 7281] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7282] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7282] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7284], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7284 [pid 7282] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7283 attached [pid 7282] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7284 attached [pid 7283] set_robust_list(0x7fe58847a9e0, 24 [pid 7284] set_robust_list(0x7fe58847a9e0, 24 [pid 7283] <... set_robust_list resumed>) = 0 [pid 7284] <... set_robust_list resumed>) = 0 [pid 7283] memfd_create("syzkaller", 0 [pid 7284] memfd_create("syzkaller", 0 [pid 7283] <... memfd_create resumed>) = 3 [pid 7279] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7284] <... memfd_create resumed>) = 3 [pid 7283] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7283] <... mmap resumed>) = 0x7fe58005a000 [pid 7280] <... write resumed>) = 4194304 [pid 7280] munmap(0x7fe58005a000, 4194304) = 0 [pid 7280] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7280] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7280] close(3) = 0 [pid 7280] mkdir("./bus", 0777) = 0 [pid 7280] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7284] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 196.801410][ T7280] loop2: detected capacity change from 0 to 8192 [ 196.822569][ T7280] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7283] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7279] <... write resumed>) = 4194304 [pid 7279] munmap(0x7fe58005a000, 4194304) = 0 [pid 7279] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7279] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7279] close(3) = 0 [pid 7279] mkdir("./bus", 0777) = 0 [ 196.857420][ T7280] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 196.873014][ T7279] loop5: detected capacity change from 0 to 8192 [ 196.890234][ T7280] REISERFS (device loop2): using ordered data mode [pid 7279] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7283] <... write resumed>) = 4194304 [pid 7284] <... write resumed>) = 4194304 [pid 7284] munmap(0x7fe58005a000, 4194304 [pid 7283] munmap(0x7fe58005a000, 4194304 [pid 7284] <... munmap resumed>) = 0 [pid 7283] <... munmap resumed>) = 0 [ 196.898054][ T7279] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 196.907631][ T7280] reiserfs: using flush barriers [ 196.915472][ T7279] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 196.926240][ T7279] REISERFS (device loop5): using ordered data mode [ 196.926644][ T7280] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 196.936875][ T7279] reiserfs: using flush barriers [pid 7284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7283] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7284] <... openat resumed>) = 4 [pid 7283] <... openat resumed>) = 4 [pid 7284] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7283] ioctl(4, LOOP_SET_FD, 3 [pid 7284] close(3) = 0 [pid 7284] mkdir("./bus", 0777) = 0 [pid 7284] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7283] <... ioctl resumed>) = 0 [pid 7283] close(3) = 0 [pid 7283] mkdir("./bus", 0777) = 0 [ 196.949847][ T7280] REISERFS (device loop2): checking transaction log (loop2) [ 196.963330][ T7284] loop1: detected capacity change from 0 to 8192 [ 196.964347][ T7279] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 196.974514][ T7283] loop4: detected capacity change from 0 to 8192 [ 196.986709][ T7279] REISERFS (device loop5): checking transaction log (loop5) [ 197.000680][ T7284] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 197.014028][ T7280] REISERFS (device loop2): Using r5 hash to sort names [ 197.015222][ T7284] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 197.021054][ T7280] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 197.031696][ T7284] REISERFS (device loop1): using ordered data mode [ 197.042795][ T7283] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 197.049560][ T7279] REISERFS (device loop5): Using r5 hash to sort names [ 197.062179][ T7283] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 197.069874][ T7284] reiserfs: using flush barriers [ 197.084257][ T7280] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 197.084922][ T7283] REISERFS (device loop4): using ordered data mode [pid 7283] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7280] <... mount resumed>) = 0 [pid 7280] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7279] <... mount resumed>) = 0 [pid 7280] chdir("./bus") = 0 [pid 7280] ioctl(4, LOOP_CLR_FD) = 0 [pid 7280] close(4) = 0 [pid 7280] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7278] <... futex resumed>) = 0 [pid 7280] mkdir("./file1", 000 [pid 7278] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] <... mkdir resumed>) = 0 [pid 7278] <... futex resumed>) = 0 [pid 7280] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7280] <... futex resumed>) = 0 [pid 7278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] mkdir("./bus", 000 [pid 7278] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] <... mkdir resumed>) = 0 [pid 7278] <... futex resumed>) = 0 [pid 7280] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7280] <... futex resumed>) = 0 [pid 7278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7278] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7278] <... futex resumed>) = 0 [ 197.094328][ T7279] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 197.100103][ T7284] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 197.113660][ T7279] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 197.131182][ T7283] reiserfs: using flush barriers [ 197.139641][ T7284] REISERFS (device loop1): checking transaction log (loop1) [ 197.151716][ T7280] overlayfs: upper fs needs to support d_type. [pid 7279] <... openat resumed>) = 3 [pid 7278] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 197.158007][ T7280] overlayfs: upper fs does not support tmpfile. [ 197.160962][ T7284] REISERFS (device loop1): Using r5 hash to sort names [ 197.168112][ T7283] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 197.172240][ T7284] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 197.188853][ T7280] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7279] chdir("./bus") = 0 [pid 7284] <... mount resumed>) = 0 [pid 7279] ioctl(4, LOOP_CLR_FD [pid 7284] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7279] <... ioctl resumed>) = 0 [pid 7278] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7278] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7278] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7278] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7289], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7289 [pid 7278] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7279] close(4 [pid 7278] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7279] <... close resumed>) = 0 [pid 7279] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] <... openat resumed>) = 3 [pid 7279] <... futex resumed>) = 1 [pid 7277] <... futex resumed>) = 0 [pid 7284] chdir("./bus" [pid 7279] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] <... chdir resumed>) = 0 [pid 7279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] <... futex resumed>) = 0 [pid 7284] ioctl(4, LOOP_CLR_FD [pid 7279] mkdir("./file1", 000 [pid 7277] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7279] <... mkdir resumed>) = 0 [pid 7284] <... ioctl resumed>) = 0 [pid 7279] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] close(4 [pid 7279] <... futex resumed>) = 1 [pid 7277] <... futex resumed>) = 0 [pid 7284] <... close resumed>) = 0 [pid 7279] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] <... futex resumed>) = 0 [pid 7284] <... futex resumed>) = 1 [pid 7282] <... futex resumed>) = 0 [pid 7279] mkdir("./bus", 000 [pid 7277] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7284] mkdir("./file1", 000 [pid 7282] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... mkdir resumed>) = 0 [pid 7282] <... futex resumed>) = 0 [pid 7279] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] <... mkdir resumed>) = 0 [pid 7282] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7279] <... futex resumed>) = 1 [pid 7277] <... futex resumed>) = 0 [pid 7284] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7279] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 197.207080][ T7284] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 197.217367][ T7283] REISERFS (device loop4): checking transaction log (loop4) [pid 7277] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] <... futex resumed>) = 0 [pid 7282] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] <... futex resumed>) = 0 [pid 7277] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7284] mkdir("./bus", 000 [pid 7282] <... futex resumed>) = 0 [pid 7279] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7284] <... mkdir resumed>) = 0 [pid 7284] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7289 attached [pid 7289] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7289] mkdir(".", 0777 [pid 7284] <... futex resumed>) = 0 [pid 7282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7284] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7282] <... futex resumed>) = 0 [pid 7289] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7289] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7284] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 197.251055][ T7283] REISERFS (device loop4): Using r5 hash to sort names [ 197.260577][ T7279] overlayfs: upper fs needs to support d_type. [ 197.266997][ T7279] overlayfs: upper fs does not support tmpfile. [ 197.274265][ T7283] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7282] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7277] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7277] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7277] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7277] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7290], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7290 [pid 7277] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7277] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7290 attached [pid 7290] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7290] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7290] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7282] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7282] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7283] <... mount resumed>) = 0 [pid 7282] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7283] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7283] chdir("./bus" [pid 7282] <... clone resumed>, parent_tid=[7291], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7291 [pid 7283] <... chdir resumed>) = 0 [pid 7282] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] ioctl(4, LOOP_CLR_FD [pid 7282] <... futex resumed>) = 0 [pid 7283] <... ioctl resumed>) = 0 [pid 7283] close(4 [pid 7282] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7283] <... close resumed>) = 0 [ 197.287323][ T7289] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 197.289377][ T7279] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 197.311823][ T7284] overlayfs: upper fs needs to support d_type. [ 197.317012][ T7290] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 197.318366][ T7284] overlayfs: upper fs does not support tmpfile. [ 197.339313][ T7283] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7283] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7289] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7289] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] <... futex resumed>) = 0 [pid 7289] <... futex resumed>) = 1 [pid 7289] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7283] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7291 attached [pid 7283] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7281] <... futex resumed>) = 0 [pid 7291] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7291] mkdir(".", 0777 [pid 7281] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7291] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7283] <... futex resumed>) = 0 [pid 7281] <... futex resumed>) = 1 [pid 7281] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7283] mkdir("./file1", 000) = 0 [pid 7283] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7281] <... futex resumed>) = 0 [pid 7281] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7283] mkdir("./bus", 000 [pid 7281] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7283] <... mkdir resumed>) = 0 [pid 7283] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7281] <... futex resumed>) = 0 [pid 7283] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7281] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7281] <... futex resumed>) = 0 [pid 7283] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7281] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7290] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7290] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] <... futex resumed>) = 0 [pid 7290] <... futex resumed>) = 1 [ 197.359145][ T7280] overlayfs: failed to resolve './file0': -2 [ 197.361506][ T7284] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 197.375107][ T7284] overlayfs: failed to resolve './file0': -2 [ 197.389953][ T7291] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7290] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7291] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7291] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... futex resumed>) = 0 [pid 7291] <... futex resumed>) = 1 [pid 7291] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7280] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7280] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7280] <... futex resumed>) = 0 [pid 7278] exit_group(0 [pid 7289] <... futex resumed>) = ? [pid 7284] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] <... exit_group resumed>) = ? [pid 7289] +++ exited with 0 +++ [pid 7284] <... futex resumed>) = 0 [pid 7282] exit_group(0 [pid 7280] +++ exited with 0 +++ [pid 7278] +++ exited with 0 +++ [pid 7291] <... futex resumed>) = ? [pid 7282] <... exit_group resumed>) = ? [pid 7279] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7278, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 7291] +++ exited with 0 +++ [pid 5005] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7284] +++ exited with 0 +++ [pid 7282] +++ exited with 0 +++ [pid 7281] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7279] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... openat resumed>) = 3 [pid 5005] fstat(3, [pid 7281] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7282, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 7277] exit_group(0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 7290] <... futex resumed>) = ? [pid 7281] <... futex resumed>) = 0 [pid 7277] <... exit_group resumed>) = ? [pid 5005] getdents64(3, [pid 5004] <... restart_syscall resumed>) = 0 [pid 7290] +++ exited with 0 +++ [pid 7281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7279] +++ exited with 0 +++ [pid 7277] +++ exited with 0 +++ [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7277, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5005] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5004] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... restart_syscall resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] fstat(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] getdents64(3, [pid 5008] <... openat resumed>) = 3 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7281] <... mmap resumed>) = 0x7fe580439000 [pid 5008] fstat(3, [pid 5004] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7281] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7281] <... mprotect resumed>) = 0 [pid 7281] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7283] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7283] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] <... clone resumed>, parent_tid=[7292], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7292 [pid 7283] <... futex resumed>) = 0 [pid 7281] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7281] <... futex resumed>) = 0 [pid 7281] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7292 attached [pid 7292] set_robust_list(0x7fe5804599e0, 24) = 0 [ 197.396659][ T7279] overlayfs: failed to resolve './file0': -2 [ 197.411487][ T7283] overlayfs: upper fs needs to support d_type. [ 197.417706][ T7283] overlayfs: upper fs does not support tmpfile. [ 197.430492][ T7283] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 197.445669][ T7283] overlayfs: failed to resolve './file0': -2 [pid 7292] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7292] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 7292] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] <... futex resumed>) = 0 [pid 7281] exit_group(0) = ? [pid 7283] <... futex resumed>) = ? [pid 7292] <... futex resumed>) = ? [pid 7283] +++ exited with 0 +++ [pid 7292] +++ exited with 0 +++ [pid 7281] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7281, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./131/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./131/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./131/bus") = 0 [pid 5005] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./131/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./131") = 0 [pid 5005] mkdir("./132", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7293 ./strace-static-x86_64: Process 7293 attached [pid 7293] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7293] chdir("./132") = 0 [pid 7293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7293] setpgid(0, 0) = 0 [pid 7293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7293] write(3, "1000", 4) = 4 [pid 7293] close(3) = 0 [pid 7293] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7293] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7293] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7293] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7294], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7294 [pid 7293] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7293] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7294 attached [pid 7294] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7294] memfd_create("syzkaller", 0) = 3 [pid 7294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 197.498954][ T7292] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] <... umount2 resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 7294] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./132/bus", [pid 5004] lstat("./129/bus", [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./129/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./132/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 4 [pid 5004] openat(AT_FDCWD, "./129/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(4, [pid 5004] <... openat resumed>) = 4 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] fstat(4, [pid 5008] getdents64(4, [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 5004] getdents64(4, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] <... close resumed>) = 0 [pid 5004] close(4 [pid 5008] rmdir("./132/bus" [pid 5004] <... close resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5004] rmdir("./129/bus" [pid 5008] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... rmdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./132/binderfs", [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] lstat("./129/binderfs", [pid 5008] unlink("./132/binderfs" [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5004] unlink("./129/binderfs") = 0 [pid 5008] getdents64(3, [pid 5004] getdents64(3, [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5004] close(3 [pid 5008] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5008] rmdir("./132") = 0 [pid 5008] mkdir("./133", 0777 [pid 5004] rmdir("./129") = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5004] mkdir("./130", 0777 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] <... mkdir resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5004] <... openat resumed>) = 3 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5008] close(3 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./130/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./130/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] close(3 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7295 [pid 5004] <... close resumed>) = 0 [pid 5007] rmdir("./130/bus" [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... rmdir resumed>) = 0 [pid 5007] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7296 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./130/binderfs") = 0 ./strace-static-x86_64: Process 7295 attached [pid 5007] getdents64(3, [pid 7295] set_robust_list(0x5555568c85e0, 24 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7296 attached [pid 7295] <... set_robust_list resumed>) = 0 [pid 5007] close(3 [pid 7296] set_robust_list(0x5555568c85e0, 24 [pid 7295] chdir("./133" [pid 5007] <... close resumed>) = 0 [pid 7296] <... set_robust_list resumed>) = 0 [pid 7295] <... chdir resumed>) = 0 [pid 5007] rmdir("./130" [pid 7296] chdir("./130" [pid 7295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... rmdir resumed>) = 0 [pid 7296] <... chdir resumed>) = 0 [pid 7295] <... prctl resumed>) = 0 [pid 5007] mkdir("./131", 0777 [pid 7296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7295] setpgid(0, 0 [pid 5007] <... mkdir resumed>) = 0 [pid 7296] <... prctl resumed>) = 0 [pid 7295] <... setpgid resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7296] setpgid(0, 0 [pid 7295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... openat resumed>) = 3 [pid 7296] <... setpgid resumed>) = 0 [pid 7295] <... openat resumed>) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 7296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7295] write(3, "1000", 4 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7296] <... openat resumed>) = 3 [pid 7295] <... write resumed>) = 4 [pid 5007] close(3 [pid 7296] write(3, "1000", 4 [pid 7295] close(3 [pid 5007] <... close resumed>) = 0 [pid 7296] <... write resumed>) = 4 [pid 7295] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7296] close(3 [pid 7295] symlink("/dev/binderfs", "./binderfs" [pid 7296] <... close resumed>) = 0 [pid 7295] <... symlink resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7297 [pid 7296] symlink("/dev/binderfs", "./binderfs" [pid 7295] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] <... symlink resumed>) = 0 [pid 7295] <... futex resumed>) = 0 [pid 7296] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7296] <... futex resumed>) = 0 [pid 7295] <... mmap resumed>) = 0x7fe58845a000 [pid 7296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7295] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7296] <... mmap resumed>) = 0x7fe58845a000 [pid 7295] <... mprotect resumed>) = 0 [pid 7296] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7295] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7296] <... mprotect resumed>) = 0 [pid 7296] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7295] <... clone resumed>, parent_tid=[7298], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7298 [pid 7295] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] <... clone resumed>, parent_tid=[7299], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7299 [pid 7295] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7297 attached [pid 7296] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7298 attached [pid 7297] set_robust_list(0x5555568c85e0, 24 [pid 7296] <... futex resumed>) = 0 [pid 7298] set_robust_list(0x7fe58847a9e0, 24 [pid 7297] <... set_robust_list resumed>) = 0 [pid 7296] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7298] <... set_robust_list resumed>) = 0 [pid 7297] chdir("./131" [pid 7298] memfd_create("syzkaller", 0 [pid 7297] <... chdir resumed>) = 0 [pid 7298] <... memfd_create resumed>) = 3 [pid 7297] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7299 attached [pid 7298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7297] <... prctl resumed>) = 0 [pid 7299] set_robust_list(0x7fe58847a9e0, 24 [pid 7298] <... mmap resumed>) = 0x7fe58005a000 [pid 7297] setpgid(0, 0 [pid 7299] <... set_robust_list resumed>) = 0 [pid 7297] <... setpgid resumed>) = 0 [pid 7299] memfd_create("syzkaller", 0 [pid 7297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7299] <... memfd_create resumed>) = 3 [pid 7297] <... openat resumed>) = 3 [pid 7299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7297] write(3, "1000", 4 [pid 7299] <... mmap resumed>) = 0x7fe58005a000 [pid 7297] <... write resumed>) = 4 [pid 7297] close(3) = 0 [pid 7297] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7297] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7297] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7297] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7300], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7300 [pid 7297] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7297] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7300 attached [pid 7300] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7300] memfd_create("syzkaller", 0) = 3 [pid 7300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7294] <... write resumed>) = 4194304 [pid 7294] munmap(0x7fe58005a000, 4194304) = 0 [pid 7294] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7294] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7294] close(3) = 0 [pid 7294] mkdir("./bus", 0777) = 0 [pid 7294] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 197.769751][ T7294] loop2: detected capacity change from 0 to 8192 [ 197.798967][ T7294] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7299] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7300] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7298] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7299] <... write resumed>) = 4194304 [pid 7299] munmap(0x7fe58005a000, 4194304) = 0 [pid 7299] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 197.821420][ T7294] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 197.833124][ T7294] REISERFS (device loop2): using ordered data mode [ 197.840744][ T7294] reiserfs: using flush barriers [ 197.849464][ T7294] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7299] ioctl(4, LOOP_SET_FD, 3 [pid 7300] <... write resumed>) = 4194304 [pid 7300] munmap(0x7fe58005a000, 4194304) = 0 [pid 7300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7299] <... ioctl resumed>) = 0 [pid 7299] close(3 [pid 7300] <... openat resumed>) = 4 [pid 7299] <... close resumed>) = 0 [pid 7299] mkdir("./bus", 0777 [pid 7300] ioctl(4, LOOP_SET_FD, 3 [pid 7299] <... mkdir resumed>) = 0 [pid 7299] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7298] <... write resumed>) = 4194304 [pid 7300] <... ioctl resumed>) = 0 [pid 7298] munmap(0x7fe58005a000, 4194304 [pid 7300] close(3) = 0 [ 197.877065][ T7299] loop1: detected capacity change from 0 to 8192 [ 197.901344][ T7300] loop4: detected capacity change from 0 to 8192 [ 197.909049][ T7294] REISERFS (device loop2): checking transaction log (loop2) [ 197.919596][ T7294] REISERFS (device loop2): Using r5 hash to sort names [pid 7300] mkdir("./bus", 0777 [pid 7298] <... munmap resumed>) = 0 [pid 7300] <... mkdir resumed>) = 0 [pid 7298] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7300] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7298] <... openat resumed>) = 4 [pid 7298] ioctl(4, LOOP_SET_FD, 3 [pid 7294] <... mount resumed>) = 0 [pid 7298] <... ioctl resumed>) = 0 [pid 7298] close(3) = 0 [pid 7298] mkdir("./bus", 0777) = 0 [pid 7298] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 197.922065][ T7299] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 197.926778][ T7294] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 197.952238][ T7294] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 197.957032][ T7298] loop5: detected capacity change from 0 to 8192 [ 197.961719][ T7299] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7294] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7294] chdir("./bus") = 0 [ 197.977290][ T7299] REISERFS (device loop1): using ordered data mode [ 197.984326][ T7299] reiserfs: using flush barriers [ 197.984417][ T7300] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 198.002389][ T7299] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7294] ioctl(4, LOOP_CLR_FD) = 0 [ 198.003804][ T7298] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 198.019028][ T7299] REISERFS (device loop1): checking transaction log (loop1) [ 198.032562][ T7298] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 198.038998][ T7300] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 198.049194][ T7298] REISERFS (device loop5): using ordered data mode [ 198.057428][ T7300] REISERFS (device loop4): using ordered data mode [ 198.064708][ T7298] reiserfs: using flush barriers [pid 7294] close(4) = 0 [pid 7294] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7294] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] <... futex resumed>) = 0 [pid 7293] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] <... futex resumed>) = 0 [pid 7293] <... futex resumed>) = 1 [pid 7294] mkdir("./file1", 000) = 0 [pid 7293] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7294] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7293] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 198.076772][ T7300] reiserfs: using flush barriers [ 198.082279][ T7298] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 198.099454][ T7299] REISERFS (device loop1): Using r5 hash to sort names [ 198.110376][ T7300] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7293] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7294] <... futex resumed>) = 1 [pid 7293] <... futex resumed>) = 0 [pid 7294] mkdir("./bus", 000 [pid 7293] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=21000000} [pid 7294] <... mkdir resumed>) = 0 [pid 7294] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7293] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7293] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] <... mount resumed>) = 0 [pid 7299] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7299] chdir("./bus") = 0 [pid 7299] ioctl(4, LOOP_CLR_FD) = 0 [pid 7299] close(4) = 0 [pid 7299] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] <... futex resumed>) = 0 [pid 7296] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7296] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] <... futex resumed>) = 1 [ 198.112604][ T7299] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 198.140034][ T7300] REISERFS (device loop4): checking transaction log (loop4) [ 198.141849][ T7298] REISERFS (device loop5): checking transaction log (loop5) [ 198.148975][ T7300] REISERFS (device loop4): Using r5 hash to sort names [ 198.156090][ T7299] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7299] mkdir("./file1", 000) = 0 [pid 7299] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] <... futex resumed>) = 0 [pid 7296] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7296] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] <... futex resumed>) = 1 [pid 7299] mkdir("./bus", 000) = 0 [pid 7294] <... futex resumed>) = 1 [pid 7293] <... futex resumed>) = 0 [pid 7293] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=39000000} [pid 7299] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] <... futex resumed>) = 0 [pid 7296] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7296] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] <... futex resumed>) = 1 [pid 7299] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7294] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7293] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7293] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7293] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7305], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7305 [pid 7293] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 198.162347][ T7300] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 198.187993][ T7300] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 198.197768][ T7299] overlayfs: upper fs needs to support d_type. [ 198.198583][ T7294] overlayfs: upper fs needs to support d_type. [ 198.205387][ T7299] overlayfs: upper fs does not support tmpfile. [ 198.217688][ T7298] REISERFS (device loop5): Using r5 hash to sort names [pid 7293] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7300] <... mount resumed>) = 0 [pid 7300] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7300] chdir("./bus") = 0 [pid 7300] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 7305 attached [pid 7305] set_robust_list(0x7fe5804599e0, 24 [pid 7296] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7305] <... set_robust_list resumed>) = 0 [pid 7296] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7305] mkdir(".", 0777 [pid 7296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7305] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7296] <... mmap resumed>) = 0x7fe580439000 [pid 7305] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7296] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7296] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7306], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7306 [pid 7296] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7296] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7300] close(4) = 0 [pid 7300] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7297] <... futex resumed>) = 0 [pid 7300] mkdir("./file1", 000 [pid 7297] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] <... mkdir resumed>) = 0 [pid 7297] <... futex resumed>) = 0 [pid 7300] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7300] <... futex resumed>) = 0 [pid 7297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7300] mkdir("./bus", 000 [pid 7297] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] <... mkdir resumed>) = 0 [pid 7297] <... futex resumed>) = 0 [pid 7300] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7306 attached [pid 7300] <... futex resumed>) = 0 [pid 7297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7306] set_robust_list(0x7fe5804599e0, 24 [pid 7300] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7297] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] <... set_robust_list resumed>) = 0 [pid 7297] <... futex resumed>) = 0 [pid 7306] mkdir(".", 0777 [pid 7297] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7306] <... mkdir resumed>) = -1 EEXIST (File exists) [ 198.218219][ T7294] overlayfs: upper fs does not support tmpfile. [ 198.244156][ T7298] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 198.244727][ T7305] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 198.268377][ T7299] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 198.279958][ T7300] overlayfs: upper fs needs to support d_type. [ 198.288312][ T7300] overlayfs: upper fs does not support tmpfile. [ 198.300170][ T7306] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 198.310111][ T7294] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7306] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7305] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7306] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7305] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... mount resumed>) = 0 [pid 7297] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] <... futex resumed>) = 1 [pid 7297] <... futex resumed>) = 0 [pid 7305] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7297] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7297] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7307], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7307 [pid 7297] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7297] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7306] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7306] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7298] chdir("./bus" [pid 7293] <... futex resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7298] <... chdir resumed>) = 0 [pid 7298] ioctl(4, LOOP_CLR_FD) = 0 [pid 7298] close(4 [pid 7294] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7294] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7294] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7307 attached [pid 7299] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7299] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] set_robust_list(0x7fe5804599e0, 24 [pid 7293] exit_group(0 [pid 7298] <... close resumed>) = 0 [pid 7298] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7299] <... futex resumed>) = 0 [pid 7298] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7307] <... set_robust_list resumed>) = 0 [pid 7305] <... futex resumed>) = ? [pid 7295] <... futex resumed>) = 0 [pid 7294] <... futex resumed>) = ? [pid 7293] <... exit_group resumed>) = ? [pid 7307] mkdir(".", 0777 [pid 7305] +++ exited with 0 +++ [pid 7299] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7296] exit_group(0 [pid 7295] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] +++ exited with 0 +++ [pid 7307] <... mkdir resumed>) = -1 EEXIST (File exists) [ 198.315567][ T7298] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 198.324075][ T7294] overlayfs: failed to resolve './file0': -2 [ 198.332666][ T7300] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 198.344216][ T7299] overlayfs: failed to resolve './file0': -2 [ 198.366747][ T7300] overlayfs: failed to resolve './file0': -2 [pid 7307] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7306] <... futex resumed>) = ? [pid 7299] <... futex resumed>) = ? [pid 7298] <... futex resumed>) = 0 [pid 7296] <... exit_group resumed>) = ? [pid 7295] <... futex resumed>) = 1 [pid 7293] +++ exited with 0 +++ [pid 7306] +++ exited with 0 +++ [pid 7299] +++ exited with 0 +++ [pid 7296] +++ exited with 0 +++ [pid 7295] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7296, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7293, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 7307] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7298] mkdir("./file1", 000 [pid 7307] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... mkdir resumed>) = 0 [pid 5004] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7298] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7298] <... futex resumed>) = 1 [pid 7295] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7298] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7295] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7295] <... futex resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7298] mkdir("./bus", 000 [pid 7295] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 7298] <... mkdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5004] fstat(3, [pid 7298] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] fstat(3, [pid 7298] <... futex resumed>) = 1 [pid 7295] <... futex resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7300] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7298] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7295] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] getdents64(3, [pid 5004] getdents64(3, [pid 7307] <... futex resumed>) = 1 [pid 7300] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7297] <... futex resumed>) = 0 [pid 7295] <... futex resumed>) = 0 [pid 7307] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7300] <... futex resumed>) = 0 [pid 7298] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7297] exit_group(0 [pid 7295] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7300] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7307] <... futex resumed>) = ? [pid 7300] +++ exited with 0 +++ [pid 7297] <... exit_group resumed>) = ? [pid 5005] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7307] +++ exited with 0 +++ [pid 7297] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7297, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5007] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 198.378949][ T7307] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 198.409465][ T7298] overlayfs: upper fs needs to support d_type. [ 198.422496][ T7298] overlayfs: upper fs does not support tmpfile. [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7295] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7295] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7295] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7295] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7308], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7308 [pid 7295] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7295] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7308 attached [pid 7308] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7308] mkdir(".", 0777) = -1 EEXIST (File exists) [ 198.433154][ T7298] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 198.446803][ T7298] overlayfs: failed to resolve './file0': -2 [pid 7308] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7298] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7298] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7298] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... umount2 resumed>) = 0 [pid 7308] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = 0 [pid 7308] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7308] <... futex resumed>) = 1 [pid 7308] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./132/bus", [pid 7295] <... futex resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7295] exit_group(0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7308] <... futex resumed>) = ? [pid 7298] <... futex resumed>) = ? [pid 7295] <... exit_group resumed>) = ? [pid 5005] openat(AT_FDCWD, "./132/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7308] +++ exited with 0 +++ [pid 7298] +++ exited with 0 +++ [pid 5005] <... openat resumed>) = 4 [pid 5005] fstat(4, [pid 7295] +++ exited with 0 +++ [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./130/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7295, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, [pid 5004] umount2("./130/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./130/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] close(4 [pid 5004] fstat(4, [pid 5005] <... close resumed>) = 0 [pid 5008] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] rmdir("./132/bus" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./130/bus" [pid 5005] <... rmdir resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(3, [pid 5005] lstat("./132/binderfs", [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 198.496700][ T7308] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] getdents64(3, [pid 5005] unlink("./132/binderfs" [pid 5004] lstat("./130/binderfs", [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5008] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(3, [pid 5004] unlink("./130/binderfs" [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5004] getdents64(3, [pid 5005] close(3 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./130") = 0 [pid 5004] mkdir("./131", 0777 [pid 5005] <... close resumed>) = 0 [pid 5004] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5005] rmdir("./132" [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 5007] <... umount2 resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5005] mkdir("./133", 0777) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7309 [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7310 [pid 5007] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./131/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7309 attached ) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./131/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./131/bus") = 0 [pid 5007] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7310 attached [pid 7309] set_robust_list(0x5555568c85e0, 24 [pid 5007] unlink("./131/binderfs" [pid 7310] set_robust_list(0x5555568c85e0, 24 [pid 7309] <... set_robust_list resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 7310] <... set_robust_list resumed>) = 0 [pid 7309] chdir("./131" [pid 5007] getdents64(3, [pid 7310] chdir("./133" [pid 7309] <... chdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7310] <... chdir resumed>) = 0 [pid 7309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] close(3 [pid 7310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7309] <... prctl resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 7310] <... prctl resumed>) = 0 [pid 7309] setpgid(0, 0 [pid 5007] rmdir("./131" [pid 7310] setpgid(0, 0 [pid 7309] <... setpgid resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 7310] <... setpgid resumed>) = 0 [pid 7309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] mkdir("./132", 0777 [pid 7310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7309] <... openat resumed>) = 3 [pid 5007] <... mkdir resumed>) = 0 [pid 7310] <... openat resumed>) = 3 [pid 7309] write(3, "1000", 4 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7310] write(3, "1000", 4 [pid 7309] <... write resumed>) = 4 [pid 5007] <... openat resumed>) = 3 [pid 7310] <... write resumed>) = 4 [pid 7309] close(3 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 7310] close(3 [pid 7309] <... close resumed>) = 0 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7310] <... close resumed>) = 0 [pid 7309] symlink("/dev/binderfs", "./binderfs" [pid 5007] close(3 [pid 7310] symlink("/dev/binderfs", "./binderfs" [pid 7309] <... symlink resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7311 ./strace-static-x86_64: Process 7311 attached [pid 7311] set_robust_list(0x5555568c85e0, 24 [pid 7310] <... symlink resumed>) = 0 [pid 7309] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = 0 [pid 7309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7309] <... mmap resumed>) = 0x7fe58845a000 [pid 7310] <... mmap resumed>) = 0x7fe58845a000 [pid 7309] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7310] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7309] <... mprotect resumed>) = 0 [pid 7310] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7311] <... set_robust_list resumed>) = 0 [pid 7309] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7311] chdir("./132" [pid 7310] <... clone resumed>, parent_tid=[7312], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7312 [pid 7311] <... chdir resumed>) = 0 [pid 7310] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] <... clone resumed>, parent_tid=[7313], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7313 [pid 7311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7310] <... futex resumed>) = 0 [pid 7309] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = 0 [pid 7311] <... prctl resumed>) = 0 [pid 7310] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7309] <... futex resumed>) = 0 [pid 7311] setpgid(0, 0 [pid 7309] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7311] <... setpgid resumed>) = 0 [pid 7311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7311] write(3, "1000", 4./strace-static-x86_64: Process 7313 attached ) = 4 [pid 7313] set_robust_list(0x7fe58847a9e0, 24 [pid 7311] close(3 [pid 7313] <... set_robust_list resumed>) = 0 [pid 7311] <... close resumed>) = 0 [pid 7313] memfd_create("syzkaller", 0 [pid 7311] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7312 attached [pid 7313] <... memfd_create resumed>) = 3 [pid 7311] <... symlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7311] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] lstat("./133/bus", [pid 7313] <... mmap resumed>) = 0x7fe58005a000 [pid 7312] set_robust_list(0x7fe58847a9e0, 24 [pid 7311] <... futex resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7312] <... set_robust_list resumed>) = 0 [pid 7311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7312] memfd_create("syzkaller", 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7312] <... memfd_create resumed>) = 3 [pid 7311] <... mmap resumed>) = 0x7fe58845a000 [pid 5008] openat(AT_FDCWD, "./133/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7311] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... openat resumed>) = 4 [pid 7312] <... mmap resumed>) = 0x7fe58005a000 [pid 7311] <... mprotect resumed>) = 0 [pid 5008] fstat(4, [pid 7311] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7314], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7314 [pid 7311] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7311] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7314 attached [pid 7314] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7314] memfd_create("syzkaller", 0) = 3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 7314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7314] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./133/bus") = 0 [pid 5008] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./133/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./133") = 0 [pid 5008] mkdir("./134", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7315 ./strace-static-x86_64: Process 7315 attached [pid 7315] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7315] chdir("./134") = 0 [pid 7315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7315] setpgid(0, 0) = 0 [pid 7315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7315] write(3, "1000", 4) = 4 [pid 7315] close(3) = 0 [pid 7315] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7315] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7312] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7315] <... mmap resumed>) = 0x7fe58845a000 [pid 7315] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7315] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7313] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7315] <... clone resumed>, parent_tid=[7316], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7316 [pid 7315] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7315] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7316 attached [pid 7316] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7316] memfd_create("syzkaller", 0) = 3 [pid 7316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7314] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7313] <... write resumed>) = 4194304 [pid 7312] <... write resumed>) = 4194304 [pid 7313] munmap(0x7fe58005a000, 4194304 [pid 7312] munmap(0x7fe58005a000, 4194304 [pid 7313] <... munmap resumed>) = 0 [pid 7313] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7316] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7313] <... openat resumed>) = 4 [pid 7312] <... munmap resumed>) = 0 [pid 7314] <... write resumed>) = 4194304 [pid 7313] ioctl(4, LOOP_SET_FD, 3 [pid 7312] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7314] munmap(0x7fe58005a000, 4194304) = 0 [pid 7314] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7314] ioctl(4, LOOP_SET_FD, 3 [pid 7313] <... ioctl resumed>) = 0 [pid 7312] <... openat resumed>) = 4 [pid 7313] close(3 [pid 7312] ioctl(4, LOOP_SET_FD, 3 [pid 7313] <... close resumed>) = 0 [pid 7314] <... ioctl resumed>) = 0 [pid 7314] close(3) = 0 [pid 7314] mkdir("./bus", 0777) = 0 [pid 7314] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7313] mkdir("./bus", 0777) = 0 [pid 7313] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7312] <... ioctl resumed>) = 0 [pid 7312] close(3) = 0 [pid 7312] mkdir("./bus", 0777) = 0 [ 198.851492][ T7313] loop1: detected capacity change from 0 to 8192 [ 198.857694][ T7314] loop4: detected capacity change from 0 to 8192 [ 198.867274][ T7312] loop2: detected capacity change from 0 to 8192 [ 198.878702][ T7314] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 198.892225][ T7314] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7316] <... write resumed>) = 4194304 [pid 7312] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7316] munmap(0x7fe58005a000, 4194304) = 0 [ 198.892462][ T7313] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 198.901815][ T7314] REISERFS (device loop4): using ordered data mode [ 198.921345][ T7314] reiserfs: using flush barriers [ 198.928052][ T7313] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 198.931360][ T7312] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7316] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 198.938907][ T7313] REISERFS (device loop1): using ordered data mode [ 198.950372][ T7314] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 198.958472][ T7312] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 198.973625][ T7314] REISERFS (device loop4): checking transaction log (loop4) [ 198.983576][ T7313] reiserfs: using flush barriers [ 198.989764][ T7312] REISERFS (device loop2): using ordered data mode [ 198.996419][ T7314] REISERFS (device loop4): Using r5 hash to sort names [ 199.001200][ T7312] reiserfs: using flush barriers [ 199.010322][ T7314] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 199.012951][ T7316] loop5: detected capacity change from 0 to 8192 [ 199.026705][ T7313] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7316] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7316] close(3) = 0 [pid 7316] mkdir("./bus", 0777) = 0 [pid 7314] <... mount resumed>) = 0 [pid 7316] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7314] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7314] chdir("./bus") = 0 [pid 7314] ioctl(4, LOOP_CLR_FD) = 0 [ 199.032919][ T7314] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 199.058224][ T7312] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 199.058908][ T7313] REISERFS (device loop1): checking transaction log (loop1) [ 199.084042][ T7312] REISERFS (device loop2): checking transaction log (loop2) [ 199.086733][ T7313] REISERFS (device loop1): Using r5 hash to sort names [pid 7314] close(4) = 0 [pid 7314] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7311] <... futex resumed>) = 0 [pid 7314] mkdir("./file1", 000 [pid 7311] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... mkdir resumed>) = 0 [pid 7311] <... futex resumed>) = 0 [pid 7314] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7314] <... futex resumed>) = 0 [pid 7311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7314] mkdir("./bus", 000 [pid 7311] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... mkdir resumed>) = 0 [pid 7311] <... futex resumed>) = 0 [pid 7314] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7314] <... futex resumed>) = 0 [pid 7311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7314] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7311] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 199.099170][ T7312] REISERFS (device loop2): Using r5 hash to sort names [ 199.100433][ T7313] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 199.106725][ T7316] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 199.128189][ T7314] overlayfs: upper fs needs to support d_type. [ 199.139985][ T7314] overlayfs: upper fs does not support tmpfile. [ 199.140499][ T7312] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 199.148060][ T7314] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 199.167292][ T7314] overlayfs: failed to resolve './file0': -2 [ 199.173741][ T7316] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 199.183030][ T7316] REISERFS (device loop5): using ordered data mode [ 199.189856][ T7316] reiserfs: using flush barriers [pid 7311] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7314] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7314] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... mount resumed>) = 0 [pid 7314] <... futex resumed>) = 0 [pid 7311] <... futex resumed>) = 0 [pid 7314] mkdir(".", 0777 [pid 7312] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7311] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7314] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7312] <... openat resumed>) = 3 [pid 7314] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7312] chdir("./bus") = 0 [pid 7312] ioctl(4, LOOP_CLR_FD [pid 7313] <... mount resumed>) = 0 [pid 7313] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7312] <... ioctl resumed>) = 0 [pid 7312] close(4) = 0 [pid 7312] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7310] <... futex resumed>) = 0 [pid 7312] mkdir("./file1", 000 [pid 7310] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7313] <... openat resumed>) = 3 [pid 7312] <... mkdir resumed>) = 0 [pid 7310] <... futex resumed>) = 0 [pid 7312] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7312] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7312] mkdir("./bus", 000 [pid 7310] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... mkdir resumed>) = 0 [pid 7310] <... futex resumed>) = 0 [pid 7312] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7312] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7312] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7310] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] chdir("./bus" [pid 7312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7310] <... futex resumed>) = 0 [pid 7314] <... futex resumed>) = 1 [pid 7313] <... chdir resumed>) = 0 [ 199.190072][ T7313] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 199.195104][ T7312] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 199.222826][ T7314] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7312] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7310] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7314] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7313] ioctl(4, LOOP_CLR_FD [pid 7311] <... futex resumed>) = 0 [pid 7313] <... ioctl resumed>) = 0 [pid 7313] close(4) = 0 [pid 7311] exit_group(0 [pid 7314] <... futex resumed>) = ? [pid 7313] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] <... exit_group resumed>) = ? [pid 7314] +++ exited with 0 +++ [pid 7313] <... futex resumed>) = 1 [pid 7309] <... futex resumed>) = 0 [pid 7313] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7309] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7311] +++ exited with 0 +++ [pid 7309] <... futex resumed>) = 0 [pid 7313] mkdir("./file1", 000 [pid 7309] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7311, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 7313] <... mkdir resumed>) = 0 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 7313] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... restart_syscall resumed>) = 0 [pid 7313] <... futex resumed>) = 1 [pid 7309] <... futex resumed>) = 0 [pid 7313] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7309] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7309] <... futex resumed>) = 0 [pid 5007] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [ 199.238445][ T7316] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 199.255335][ T7316] REISERFS (device loop5): checking transaction log (loop5) [ 199.263565][ T7312] overlayfs: upper fs needs to support d_type. [ 199.271015][ T7312] overlayfs: upper fs does not support tmpfile. [ 199.290851][ T7313] overlayfs: upper fs needs to support d_type. [pid 7313] mkdir("./bus", 000 [pid 7309] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7313] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7313] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... openat resumed>) = 3 [pid 7313] <... futex resumed>) = 1 [pid 7309] <... futex resumed>) = 0 [pid 5007] fstat(3, [pid 7313] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7309] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7309] <... futex resumed>) = 0 [pid 5007] getdents64(3, [pid 7313] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7309] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7310] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7310] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7310] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7310] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7321], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7321 [pid 7310] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7310] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7321 attached [pid 7321] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7321] mkdir(".", 0777) = -1 EEXIST (File exists) [ 199.290879][ T7316] REISERFS (device loop5): Using r5 hash to sort names [ 199.298461][ T7313] overlayfs: upper fs does not support tmpfile. [ 199.329075][ T7313] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 199.331992][ T7312] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7321] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7309] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7309] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7309] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7309] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7322], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7322 [pid 7309] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7309] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7322 attached [pid 7322] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7322] mkdir(".", 0777) = -1 EEXIST (File exists) [ 199.338283][ T7321] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7322] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5007] <... umount2 resumed>) = 0 [ 199.387891][ T7313] overlayfs: failed to resolve './file0': -2 [ 199.401503][ T7316] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 199.414729][ T7322] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7321] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7321] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] <... futex resumed>) = 0 [pid 7321] <... futex resumed>) = 1 [pid 7321] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./132/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7322] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7322] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] <... futex resumed>) = 0 [pid 7322] <... futex resumed>) = 1 [pid 7322] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] openat(AT_FDCWD, "./132/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4 [pid 7313] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5007] <... close resumed>) = 0 [pid 7313] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7316] <... mount resumed>) = 0 [pid 7313] <... futex resumed>) = 0 [pid 7312] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] rmdir("./132/bus" [pid 7316] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7313] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7312] <... futex resumed>) = 0 [pid 7310] exit_group(0 [pid 7309] exit_group(0 [pid 5007] <... rmdir resumed>) = 0 [pid 7322] <... futex resumed>) = ? [pid 7321] <... futex resumed>) = ? [pid 7316] <... openat resumed>) = 3 [pid 7313] <... futex resumed>) = ? [pid 7310] <... exit_group resumed>) = ? [pid 7309] <... exit_group resumed>) = ? [pid 5007] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7322] +++ exited with 0 +++ [pid 7321] +++ exited with 0 +++ [pid 7316] chdir("./bus" [pid 7313] +++ exited with 0 +++ [pid 7312] +++ exited with 0 +++ [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7316] <... chdir resumed>) = 0 [pid 5007] lstat("./132/binderfs", [pid 7316] ioctl(4, LOOP_CLR_FD [pid 7310] +++ exited with 0 +++ [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7316] <... ioctl resumed>) = 0 [ 199.435099][ T7316] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 199.445719][ T7312] overlayfs: failed to resolve './file0': -2 [pid 5007] unlink("./132/binderfs" [pid 7316] close(4 [pid 5007] <... unlink resumed>) = 0 [pid 7316] <... close resumed>) = 0 [pid 7309] +++ exited with 0 +++ [pid 5007] getdents64(3, [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7310, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 7316] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7316] <... futex resumed>) = 1 [pid 7315] <... futex resumed>) = 0 [pid 5007] close(3 [pid 7316] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7315] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... close resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7309, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 7316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] <... futex resumed>) = 0 [pid 5007] rmdir("./132" [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 7316] mkdir("./file1", 000 [pid 7315] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... rmdir resumed>) = 0 [pid 7316] <... mkdir resumed>) = 0 [pid 5007] mkdir("./133", 0777 [pid 5004] <... restart_syscall resumed>) = 0 [pid 7316] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7316] <... futex resumed>) = 1 [pid 7315] <... futex resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7316] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7315] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... openat resumed>) = 3 [pid 7316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] <... futex resumed>) = 0 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5005] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7316] mkdir("./bus", 000 [pid 7315] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7316] <... mkdir resumed>) = 0 [pid 5007] close(3 [pid 5005] <... openat resumed>) = 3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7316] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... close resumed>) = 0 [pid 5005] fstat(3, [pid 7316] <... futex resumed>) = 1 [pid 7315] <... futex resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7316] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7315] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] <... futex resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7323 [pid 5004] <... openat resumed>) = 3 [pid 7316] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7315] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] getdents64(3, [pid 5004] fstat(3, ./strace-static-x86_64: Process 7323 attached [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7323] set_robust_list(0x5555568c85e0, 24 [pid 5005] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(3, [pid 7323] <... set_robust_list resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7323] chdir("./133") = 0 [pid 5004] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7323] setpgid(0, 0) = 0 [pid 7323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7323] write(3, "1000", 4) = 4 [pid 7323] close(3) = 0 [pid 7323] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7323] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7323] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7323] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7324], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7324 [pid 7323] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7323] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7324 attached [pid 7324] set_robust_list(0x7fe58847a9e0, 24) = 0 [ 199.534793][ T7316] overlayfs: upper fs needs to support d_type. [ 199.546175][ T7316] overlayfs: upper fs does not support tmpfile. [ 199.566379][ T7316] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7324] memfd_create("syzkaller", 0) = 3 [pid 7324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7315] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7315] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7315] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7315] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7325], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7325 [pid 7315] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7315] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7325 attached [pid 7325] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7325] mkdir(".", 0777) = -1 EEXIST (File exists) [ 199.581682][ T7316] overlayfs: failed to resolve './file0': -2 [pid 7325] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7324] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7316] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7316] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 199.637173][ T7325] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7316] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./131/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./131/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./131/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7325] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7325] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] <... futex resumed>) = 0 [pid 7315] exit_group(0 [pid 7316] <... futex resumed>) = ? [pid 7315] <... exit_group resumed>) = ? [pid 7316] +++ exited with 0 +++ [pid 5004] fstat(4, [pid 7325] <... futex resumed>) = ? [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7325] +++ exited with 0 +++ [pid 7315] +++ exited with 0 +++ [pid 5004] getdents64(4, [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7315, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 7324] <... write resumed>) = 4194304 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(4, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] close(4 [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, [pid 5004] <... close resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 5004] rmdir("./131/bus" [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] <... rmdir resumed>) = 0 [pid 5008] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./131/binderfs" [pid 7324] munmap(0x7fe58005a000, 4194304 [pid 5004] <... unlink resumed>) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./131" [pid 7324] <... munmap resumed>) = 0 [pid 7324] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7324] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... rmdir resumed>) = 0 [pid 5004] mkdir("./132", 0777 [pid 5005] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5005] lstat("./133/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./133/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./133/bus") = 0 [pid 5005] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./133/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./133") = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7326 [pid 7324] <... ioctl resumed>) = 0 [pid 5005] mkdir("./134", 0777./strace-static-x86_64: Process 7326 attached [pid 7324] close(3 [pid 7326] set_robust_list(0x5555568c85e0, 24 [pid 5005] <... mkdir resumed>) = 0 [pid 7326] <... set_robust_list resumed>) = 0 [pid 7324] <... close resumed>) = 0 [pid 7326] chdir("./132" [pid 7324] mkdir("./bus", 0777 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7326] <... chdir resumed>) = 0 [pid 7326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7324] <... mkdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 7324] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7326] <... prctl resumed>) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 7326] setpgid(0, 0) = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] close(3 [pid 7326] write(3, "1000", 4 [pid 5005] <... close resumed>) = 0 [pid 7326] <... write resumed>) = 4 [pid 7326] close(3 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7326] <... close resumed>) = 0 [pid 7326] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7328 [pid 7326] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7326] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7326] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7329], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7329 [pid 7326] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7326] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7328 attached [ 199.787630][ T7324] loop4: detected capacity change from 0 to 8192 [pid 7328] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7328] chdir("./134") = 0 [pid 7328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7329 attached [pid 7328] setpgid(0, 0 [pid 7329] set_robust_list(0x7fe58847a9e0, 24 [pid 7328] <... setpgid resumed>) = 0 [pid 7329] <... set_robust_list resumed>) = 0 [pid 7328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7329] memfd_create("syzkaller", 0 [pid 7328] <... openat resumed>) = 3 [pid 7329] <... memfd_create resumed>) = 3 [pid 7328] write(3, "1000", 4 [pid 7329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7328] <... write resumed>) = 4 [pid 7329] <... mmap resumed>) = 0x7fe58005a000 [pid 7328] close(3) = 0 [pid 7328] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7328] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7328] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7328] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7330 attached [pid 7330] set_robust_list(0x7fe58847a9e0, 24 [pid 7328] <... clone resumed>, parent_tid=[7330], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7330 [pid 7330] <... set_robust_list resumed>) = 0 [pid 7328] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7330] memfd_create("syzkaller", 0) = 3 [pid 7328] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 199.840948][ T7324] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 199.873324][ T7324] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 199.929862][ T7324] REISERFS (device loop4): using ordered data mode [pid 7330] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... umount2 resumed>) = 0 [pid 7329] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./134/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 199.977565][ T7324] reiserfs: using flush barriers [pid 5008] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./134/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./134/bus") = 0 [pid 5008] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./134/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./134") = 0 [pid 5008] mkdir("./135", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [ 200.022065][ T7324] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7331 [pid 7330] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 7331 attached [pid 7330] munmap(0x7fe58005a000, 4194304 [pid 7331] set_robust_list(0x5555568c85e0, 24 [pid 7330] <... munmap resumed>) = 0 [pid 7331] <... set_robust_list resumed>) = 0 [pid 7330] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7331] chdir("./135") = 0 [pid 7330] <... openat resumed>) = 4 [pid 7331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7330] ioctl(4, LOOP_SET_FD, 3 [pid 7331] setpgid(0, 0) = 0 [pid 7330] <... ioctl resumed>) = 0 [pid 7331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7330] close(3 [pid 7331] <... openat resumed>) = 3 [pid 7330] <... close resumed>) = 0 [pid 7331] write(3, "1000", 4 [pid 7330] mkdir("./bus", 0777 [pid 7331] <... write resumed>) = 4 [pid 7330] <... mkdir resumed>) = 0 [pid 7331] close(3 [pid 7330] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7331] <... close resumed>) = 0 [pid 7331] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7331] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7331] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7331] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7333], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7333 [pid 7331] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7331] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7333 attached [pid 7333] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7333] memfd_create("syzkaller", 0) = 3 [ 200.102353][ T7330] loop2: detected capacity change from 0 to 8192 [ 200.105353][ T7324] REISERFS (device loop4): checking transaction log (loop4) [ 200.128115][ T7330] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 200.143832][ T7324] REISERFS (device loop4): Using r5 hash to sort names [pid 7333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7329] <... write resumed>) = 4194304 [pid 7329] munmap(0x7fe58005a000, 4194304) = 0 [pid 7329] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 200.150957][ T7330] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 200.171240][ T7330] REISERFS (device loop2): using ordered data mode [ 200.177791][ T7330] reiserfs: using flush barriers [ 200.183245][ T7329] loop1: detected capacity change from 0 to 8192 [pid 7329] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7329] close(3) = 0 [pid 7329] mkdir("./bus", 0777) = 0 [ 200.192021][ T7324] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 200.202344][ T7330] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 200.234713][ T7330] REISERFS (device loop2): checking transaction log (loop2) [pid 7329] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7333] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7324] <... mount resumed>) = 0 [pid 7324] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7324] chdir("./bus") = 0 [pid 7324] ioctl(4, LOOP_CLR_FD) = 0 [ 200.243941][ T7329] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 200.246630][ T7330] REISERFS (device loop2): Using r5 hash to sort names [ 200.257047][ T7329] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 200.273853][ T7329] REISERFS (device loop1): using ordered data mode [ 200.274843][ T7324] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 200.280653][ T7329] reiserfs: using flush barriers [pid 7324] close(4) = 0 [pid 7324] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7324] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7323] <... futex resumed>) = 0 [pid 7323] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7323] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7324] <... futex resumed>) = 0 [pid 7324] mkdir("./file1", 000) = 0 [pid 7324] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7323] <... futex resumed>) = 0 [ 200.311197][ T7329] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 200.321281][ T7330] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 200.330000][ T7329] REISERFS (device loop1): checking transaction log (loop1) [ 200.349153][ T7329] REISERFS (device loop1): Using r5 hash to sort names [pid 7323] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7323] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7324] mkdir("./bus", 000) = 0 [pid 7324] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7323] <... futex resumed>) = 0 [pid 7324] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7323] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7323] <... futex resumed>) = 0 [pid 7329] <... mount resumed>) = 0 [pid 7324] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7323] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] <... mount resumed>) = 0 [pid 7329] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7330] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7329] <... openat resumed>) = 3 [pid 7330] <... openat resumed>) = 3 [pid 7329] chdir("./bus" [pid 7330] chdir("./bus" [pid 7329] <... chdir resumed>) = 0 [pid 7330] <... chdir resumed>) = 0 [ 200.361498][ T7329] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 200.374382][ T7329] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 200.384306][ T7330] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 200.387142][ T7324] overlayfs: upper fs needs to support d_type. [pid 7329] ioctl(4, LOOP_CLR_FD [pid 7333] <... write resumed>) = 4194304 [pid 7330] ioctl(4, LOOP_CLR_FD [pid 7329] <... ioctl resumed>) = 0 [pid 7333] munmap(0x7fe58005a000, 4194304 [pid 7330] <... ioctl resumed>) = 0 [pid 7329] close(4 [pid 7333] <... munmap resumed>) = 0 [pid 7330] close(4 [pid 7329] <... close resumed>) = 0 [pid 7330] <... close resumed>) = 0 [pid 7329] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7329] <... futex resumed>) = 1 [pid 7326] <... futex resumed>) = 0 [pid 7330] <... futex resumed>) = 1 [pid 7329] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7328] <... futex resumed>) = 0 [pid 7326] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7328] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... futex resumed>) = 0 [pid 7330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7329] mkdir("./file1", 000 [pid 7328] <... futex resumed>) = 0 [pid 7326] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7333] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7330] mkdir("./file1", 000 [pid 7329] <... mkdir resumed>) = 0 [pid 7328] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7333] <... openat resumed>) = 4 [pid 7330] <... mkdir resumed>) = 0 [pid 7329] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] ioctl(4, LOOP_SET_FD, 3 [pid 7330] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7329] <... futex resumed>) = 1 [pid 7326] <... futex resumed>) = 0 [pid 7330] <... futex resumed>) = 1 [pid 7329] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7328] <... futex resumed>) = 0 [pid 7326] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7328] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... futex resumed>) = 0 [pid 7330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7329] mkdir("./bus", 000 [pid 7328] <... futex resumed>) = 0 [pid 7326] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] mkdir("./bus", 000 [pid 7329] <... mkdir resumed>) = 0 [pid 7328] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] <... mkdir resumed>) = 0 [pid 7329] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7329] <... futex resumed>) = 1 [pid 7326] <... futex resumed>) = 0 [pid 7330] <... futex resumed>) = 1 [pid 7329] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7328] <... futex resumed>) = 0 [pid 7326] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7328] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... futex resumed>) = 0 [pid 7330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7329] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7328] <... futex resumed>) = 0 [pid 7326] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 200.408786][ T7324] overlayfs: upper fs does not support tmpfile. [ 200.416968][ T7324] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 200.425462][ T7333] loop5: detected capacity change from 0 to 8192 [ 200.427248][ T7324] overlayfs: failed to resolve './file0': -2 [ 200.446878][ T7329] overlayfs: upper fs needs to support d_type. [ 200.454708][ T7329] overlayfs: upper fs does not support tmpfile. [pid 7330] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7328] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7323] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7333] <... ioctl resumed>) = 0 [pid 7333] close(3) = 0 [pid 7333] mkdir("./bus", 0777) = 0 [pid 7333] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7323] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7323] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7323] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7336], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7336 [pid 7323] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7323] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7336 attached [pid 7336] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7336] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7336] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7329] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7328] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7326] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7324] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7329] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7328] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7329] <... futex resumed>) = 0 [pid 7328] <... futex resumed>) = 0 [pid 7326] <... futex resumed>) = 0 [pid 7328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7326] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7329] mkdir(".", 0777 [pid 7328] <... mmap resumed>) = 0x7fe580439000 [pid 7329] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7328] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7324] <... futex resumed>) = 0 [pid 7329] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7328] <... mprotect resumed>) = 0 [pid 7328] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7337], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7337 [pid 7328] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 200.454768][ T7330] overlayfs: upper fs needs to support d_type. [ 200.463996][ T7329] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 200.477494][ T7333] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 200.493051][ T7329] overlayfs: failed to resolve './file0': -2 [ 200.502981][ T7333] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 7328] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 200.517330][ T7336] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 200.518817][ T7333] REISERFS (device loop5): using ordered data mode [ 200.526328][ T7329] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 200.533626][ T7333] reiserfs: using flush barriers [ 200.556728][ T7330] overlayfs: upper fs does not support tmpfile. [pid 7324] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7337 attached [pid 7337] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7337] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7337] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7329] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7329] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7329] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7336] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7326] <... futex resumed>) = 0 [pid 7326] exit_group(0) = ? [pid 7336] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7336] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7329] <... futex resumed>) = ? [pid 7323] <... futex resumed>) = 0 [pid 7329] +++ exited with 0 +++ [pid 7326] +++ exited with 0 +++ [pid 7323] exit_group(0 [pid 7336] <... futex resumed>) = ? [ 200.567027][ T7333] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 200.584260][ T7330] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 200.591709][ T7333] REISERFS (device loop5): checking transaction log (loop5) [ 200.596605][ T7337] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7324] <... futex resumed>) = ? [pid 7323] <... exit_group resumed>) = ? [pid 7336] +++ exited with 0 +++ [pid 7324] +++ exited with 0 +++ [pid 7323] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7326, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 7337] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7323, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 7337] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7337] <... futex resumed>) = 1 [pid 7328] <... futex resumed>) = 0 [pid 7337] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7333] <... mount resumed>) = 0 [pid 7333] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7333] chdir("./bus") = 0 [pid 7333] ioctl(4, LOOP_CLR_FD) = 0 [pid 7333] close(4) = 0 [pid 7333] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7333] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7330] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7330] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7328] exit_group(0 [pid 7337] <... futex resumed>) = ? [pid 7328] <... exit_group resumed>) = ? [pid 7337] +++ exited with 0 +++ [pid 7330] +++ exited with 0 +++ [pid 7328] +++ exited with 0 +++ [pid 7331] <... futex resumed>) = 0 [pid 7331] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7328, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 7331] <... futex resumed>) = 1 [pid 7331] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7333] <... futex resumed>) = 0 [pid 5005] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7333] mkdir("./file1", 000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, [pid 7333] <... mkdir resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7333] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7333] <... futex resumed>) = 1 [pid 7331] <... futex resumed>) = 0 [pid 7333] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7331] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... futex resumed>) = 0 [pid 7331] <... futex resumed>) = 1 [pid 7331] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7333] mkdir("./bus", 000) = 0 [pid 7333] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7331] <... futex resumed>) = 0 [pid 7333] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7331] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7331] <... futex resumed>) = 0 [pid 7333] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 200.602353][ T7333] REISERFS (device loop5): Using r5 hash to sort names [ 200.620953][ T7333] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 200.626327][ T7330] overlayfs: failed to resolve './file0': -2 [ 200.649049][ T7333] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7331] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7331] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7331] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7331] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7338], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7338 [pid 7331] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7331] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7338 attached [pid 7338] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7338] mkdir(".", 0777) = -1 EEXIST (File exists) [ 200.687731][ T7333] overlayfs: upper fs needs to support d_type. [ 200.695280][ T7333] overlayfs: upper fs does not support tmpfile. [ 200.702875][ T7333] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 200.712530][ T7333] overlayfs: failed to resolve './file0': -2 [pid 7338] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 7338] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] <... futex resumed>) = 0 [pid 7338] <... futex resumed>) = 1 [pid 7338] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] <... umount2 resumed>) = 0 [pid 7333] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7333] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7331] exit_group(0) = ? [pid 7338] <... futex resumed>) = ? [pid 7338] +++ exited with 0 +++ [ 200.755764][ T7338] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7333] +++ exited with 0 +++ [pid 7331] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7331, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./133/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./133/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./133/bus") = 0 [pid 5007] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./133/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./133") = 0 [pid 5007] mkdir("./134", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7339 attached [pid 7339] set_robust_list(0x5555568c85e0, 24 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7339 [pid 7339] <... set_robust_list resumed>) = 0 [pid 7339] chdir("./134") = 0 [pid 7339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7339] setpgid(0, 0) = 0 [pid 5005] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./134/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7339] <... openat resumed>) = 3 [pid 7339] write(3, "1000", 4) = 4 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7339] close(3 [pid 5005] openat(AT_FDCWD, "./134/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7339] <... close resumed>) = 0 [pid 7339] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... openat resumed>) = 4 [pid 7339] <... symlink resumed>) = 0 [pid 7339] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] fstat(4, [pid 7339] <... mmap resumed>) = 0x7fe58845a000 [pid 7339] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7339] <... mprotect resumed>) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 7339] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] rmdir("./134/bus") = 0 [pid 7339] <... clone resumed>, parent_tid=[7340], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7340 [pid 7339] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7339] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7339] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] lstat("./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./134/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./134") = 0 [pid 5005] mkdir("./135", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3./strace-static-x86_64: Process 7340 attached [pid 7340] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7340] memfd_create("syzkaller", 0) = 3 [pid 7340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5005] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./135/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./135/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7341 [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./135/bus" [pid 5004] <... umount2 resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5004] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./132/bus", [pid 5008] lstat("./135/binderfs", [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./135/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7341 attached [pid 5004] umount2("./132/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3) = 0 [pid 5008] rmdir("./135" [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./132/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, [pid 7341] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, [pid 7341] chdir("./135" [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7341] <... chdir resumed>) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 7341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] rmdir("./132/bus" [pid 5008] <... rmdir resumed>) = 0 [pid 7341] <... prctl resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 7341] setpgid(0, 0 [pid 5004] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7341] <... setpgid resumed>) = 0 [pid 5004] lstat("./132/binderfs", [pid 7341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] mkdir("./136", 0777 [pid 5004] unlink("./132/binderfs" [pid 5008] <... mkdir resumed>) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 7341] <... openat resumed>) = 3 [pid 5004] getdents64(3, [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7341] write(3, "1000", 4 [pid 5004] close(3) = 0 [pid 5004] rmdir("./132" [pid 5008] <... openat resumed>) = 3 [pid 7341] <... write resumed>) = 4 [pid 7341] close(3 [pid 5004] <... rmdir resumed>) = 0 [pid 7341] <... close resumed>) = 0 [pid 5004] mkdir("./133", 0777 [pid 7341] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5004] <... mkdir resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7341] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] close(3 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 7341] <... futex resumed>) = 0 [pid 7340] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... close resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 7341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 7341] <... mmap resumed>) = 0x7fe58845a000 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... close resumed>) = 0 [pid 7341] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7341] <... mprotect resumed>) = 0 [pid 7341] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7342 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7343 ./strace-static-x86_64: Process 7344 attached ./strace-static-x86_64: Process 7343 attached [pid 7341] <... clone resumed>, parent_tid=[7344], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7344 ./strace-static-x86_64: Process 7342 attached [pid 7344] set_robust_list(0x7fe58847a9e0, 24 [pid 7341] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] <... set_robust_list resumed>) = 0 [pid 7343] set_robust_list(0x5555568c85e0, 24 [pid 7341] <... futex resumed>) = 0 [pid 7342] set_robust_list(0x5555568c85e0, 24 [pid 7343] <... set_robust_list resumed>) = 0 [pid 7341] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7343] chdir("./133" [pid 7344] memfd_create("syzkaller", 0 [pid 7342] <... set_robust_list resumed>) = 0 [pid 7343] <... chdir resumed>) = 0 [pid 7344] <... memfd_create resumed>) = 3 [pid 7343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7344] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7343] <... prctl resumed>) = 0 [pid 7343] setpgid(0, 0 [pid 7344] <... mmap resumed>) = 0x7fe58005a000 [pid 7343] <... setpgid resumed>) = 0 [pid 7342] chdir("./136" [pid 7343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7343] write(3, "1000", 4 [pid 7342] <... chdir resumed>) = 0 [pid 7343] <... write resumed>) = 4 [pid 7343] close(3 [pid 7342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7343] <... close resumed>) = 0 [pid 7342] <... prctl resumed>) = 0 [pid 7343] symlink("/dev/binderfs", "./binderfs" [pid 7342] setpgid(0, 0 [pid 7343] <... symlink resumed>) = 0 [pid 7342] <... setpgid resumed>) = 0 [pid 7343] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7342] <... openat resumed>) = 3 [pid 7343] <... mmap resumed>) = 0x7fe58845a000 [pid 7343] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7342] write(3, "1000", 4 [pid 7343] <... mprotect resumed>) = 0 [pid 7342] <... write resumed>) = 4 [pid 7343] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7342] close(3) = 0 [pid 7343] <... clone resumed>, parent_tid=[7345], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7345 [pid 7342] symlink("/dev/binderfs", "./binderfs" [pid 7343] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... symlink resumed>) = 0 [pid 7343] <... futex resumed>) = 0 [pid 7342] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7342] <... futex resumed>) = 0 [pid 7342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7345 attached ) = 0x7fe58845a000 [pid 7340] <... write resumed>) = 4194304 [pid 7342] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7340] munmap(0x7fe58005a000, 4194304 [pid 7345] set_robust_list(0x7fe58847a9e0, 24 [pid 7342] <... mprotect resumed>) = 0 [pid 7342] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7345] <... set_robust_list resumed>) = 0 [pid 7342] <... clone resumed>, parent_tid=[7346], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7346 [pid 7345] memfd_create("syzkaller", 0 [pid 7342] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... munmap resumed>) = 0 [pid 7342] <... futex resumed>) = 0 [pid 7342] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7340] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7340] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7346 attached [pid 7345] <... memfd_create resumed>) = 3 [pid 7346] set_robust_list(0x7fe58847a9e0, 24 [pid 7345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7340] <... ioctl resumed>) = 0 [pid 7340] close(3) = 0 [pid 7340] mkdir("./bus", 0777 [pid 7345] <... mmap resumed>) = 0x7fe58005a000 [pid 7340] <... mkdir resumed>) = 0 [pid 7340] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7346] <... set_robust_list resumed>) = 0 [pid 7346] memfd_create("syzkaller", 0) = 3 [pid 7346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 201.020337][ T7340] loop4: detected capacity change from 0 to 8192 [ 201.044346][ T7340] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7344] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 201.081356][ T7340] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 201.101246][ T7340] REISERFS (device loop4): using ordered data mode [ 201.107814][ T7340] reiserfs: using flush barriers [pid 7345] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7346] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7344] <... write resumed>) = 4194304 [pid 7344] munmap(0x7fe58005a000, 4194304) = 0 [pid 7344] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7344] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7344] close(3) = 0 [pid 7344] mkdir("./bus", 0777) = 0 [ 201.125214][ T7340] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 201.153715][ T7344] loop2: detected capacity change from 0 to 8192 [ 201.168491][ T7340] REISERFS (device loop4): checking transaction log (loop4) [pid 7344] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7345] <... write resumed>) = 4194304 [pid 7345] munmap(0x7fe58005a000, 4194304) = 0 [ 201.177789][ T7344] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 201.194047][ T7344] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 201.206742][ T7340] REISERFS (device loop4): Using r5 hash to sort names [ 201.206964][ T7344] REISERFS (device loop2): using ordered data mode [pid 7345] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7345] ioctl(4, LOOP_SET_FD, 3 [pid 7346] <... write resumed>) = 4194304 [pid 7346] munmap(0x7fe58005a000, 4194304 [pid 7345] <... ioctl resumed>) = 0 [pid 7346] <... munmap resumed>) = 0 [pid 7346] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7346] ioctl(4, LOOP_SET_FD, 3 [ 201.219467][ T7340] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 201.220888][ T7344] reiserfs: using flush barriers [ 201.238963][ T7345] loop1: detected capacity change from 0 to 8192 [ 201.247406][ T7344] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 201.251914][ T7346] loop5: detected capacity change from 0 to 8192 [ 201.264535][ T7344] REISERFS (device loop2): checking transaction log (loop2) [pid 7345] close(3) = 0 [pid 7346] <... ioctl resumed>) = 0 [pid 7346] close(3) = 0 [pid 7346] mkdir("./bus", 0777) = 0 [pid 7346] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7340] <... mount resumed>) = 0 [pid 7340] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7340] chdir("./bus" [pid 7345] mkdir("./bus", 0777 [pid 7340] <... chdir resumed>) = 0 [pid 7340] ioctl(4, LOOP_CLR_FD) = 0 [pid 7345] <... mkdir resumed>) = 0 [pid 7340] close(4) = 0 [pid 7340] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7340] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7339] <... futex resumed>) = 0 [ 201.271718][ T7340] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 201.278583][ T7344] REISERFS (device loop2): Using r5 hash to sort names [ 201.297072][ T7344] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 201.310887][ T7346] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7345] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7339] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... futex resumed>) = 0 [pid 7339] <... futex resumed>) = 1 [pid 7340] mkdir("./file1", 000) = 0 [pid 7340] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7340] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7339] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7344] <... mount resumed>) = 0 [pid 7344] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7344] chdir("./bus") = 0 [pid 7344] ioctl(4, LOOP_CLR_FD) = 0 [pid 7344] close(4) = 0 [pid 7344] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... futex resumed>) = 0 [pid 7341] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7341] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7344] <... futex resumed>) = 1 [pid 7344] mkdir("./file1", 000) = 0 [pid 7344] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... futex resumed>) = 0 [pid 7341] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7341] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7344] <... futex resumed>) = 1 [pid 7344] mkdir("./bus", 000) = 0 [pid 7344] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... futex resumed>) = 0 [pid 7341] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7341] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7344] <... futex resumed>) = 1 [ 201.324394][ T7345] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 201.327634][ T7346] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 201.338669][ T7345] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 201.349466][ T7344] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 201.356960][ T7345] REISERFS (device loop1): using ordered data mode [pid 7344] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7339] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... futex resumed>) = 0 [pid 7339] <... futex resumed>) = 1 [pid 7340] mkdir("./bus", 000) = 0 [pid 7339] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7340] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 201.378834][ T7346] REISERFS (device loop5): using ordered data mode [ 201.392175][ T7344] overlayfs: upper fs needs to support d_type. [ 201.398494][ T7344] overlayfs: upper fs does not support tmpfile. [ 201.403126][ T7345] reiserfs: using flush barriers [ 201.405944][ T7344] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7341] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7339] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7341] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7341] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7351], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7351 [pid 7341] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7341] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7340] <... futex resumed>) = 0 [pid 7339] <... futex resumed>) = 1 [ 201.417327][ T7345] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 201.434085][ T7346] reiserfs: using flush barriers [ 201.441549][ T7340] overlayfs: upper fs needs to support d_type. [ 201.442237][ T7345] REISERFS (device loop1): checking transaction log (loop1) [ 201.447741][ T7340] overlayfs: upper fs does not support tmpfile. [ 201.455924][ T7344] overlayfs: failed to resolve './file0': -2 [ 201.463610][ T7340] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7340] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7339] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7351 attached [pid 7351] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7344] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7351] mkdir(".", 0777) = -1 EEXIST (File exists) [ 201.467360][ T7346] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 201.467713][ T7346] REISERFS (device loop5): checking transaction log (loop5) [ 201.478527][ T7340] overlayfs: failed to resolve './file0': -2 [ 201.493092][ T7345] REISERFS (device loop1): Using r5 hash to sort names [ 201.499026][ T7346] REISERFS (device loop5): Using r5 hash to sort names [ 201.504914][ T7345] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7351] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7344] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7340] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7339] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7344] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7339] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7345] <... mount resumed>) = 0 [pid 7340] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] <... futex resumed>) = 0 [pid 7340] <... futex resumed>) = 0 [pid 7340] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7351] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7341] <... futex resumed>) = 0 [pid 7351] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7341] exit_group(0 [pid 7351] <... futex resumed>) = ? [pid 7341] <... exit_group resumed>) = ? [pid 7351] +++ exited with 0 +++ [pid 7345] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7345] chdir("./bus") = 0 [pid 7345] ioctl(4, LOOP_CLR_FD) = 0 [pid 7345] close(4 [pid 7346] <... mount resumed>) = 0 [pid 7345] <... close resumed>) = 0 [pid 7344] <... futex resumed>) = ? [pid 7339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7345] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] +++ exited with 0 +++ [pid 7341] +++ exited with 0 +++ [pid 7346] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7345] <... futex resumed>) = 1 [pid 7343] <... futex resumed>) = 0 [pid 7339] <... mmap resumed>) = 0x7fe580439000 [pid 7346] <... openat resumed>) = 3 [pid 7345] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7343] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7341, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 7346] chdir("./bus" [pid 7345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7343] <... futex resumed>) = 0 [pid 7339] <... mprotect resumed>) = 0 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 7346] <... chdir resumed>) = 0 [pid 7345] mkdir("./file1", 000 [pid 7343] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... restart_syscall resumed>) = 0 [pid 7346] ioctl(4, LOOP_CLR_FD [pid 7345] <... mkdir resumed>) = 0 [pid 7346] <... ioctl resumed>) = 0 [pid 7345] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] close(4 [pid 7345] <... futex resumed>) = 1 [pid 7343] <... futex resumed>) = 0 [pid 7339] <... clone resumed>, parent_tid=[7352], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7352 [pid 7346] <... close resumed>) = 0 [pid 7345] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7343] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7343] <... futex resumed>) = 0 [pid 7339] <... futex resumed>) = 0 [pid 5005] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7346] <... futex resumed>) = 1 [pid 7345] mkdir("./bus", 000 [pid 7343] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7342] <... futex resumed>) = 0 [pid 7339] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7352 attached [pid 7346] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7345] <... mkdir resumed>) = 0 [pid 7342] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7352] set_robust_list(0x7fe5804599e0, 24 [pid 7346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7345] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = 0 [pid 7352] <... set_robust_list resumed>) = 0 [pid 7346] mkdir("./file1", 000 [pid 7345] <... futex resumed>) = 1 [pid 7343] <... futex resumed>) = 0 [pid 7342] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... openat resumed>) = 3 [pid 7352] mkdir(".", 0777 [pid 7346] <... mkdir resumed>) = 0 [pid 7345] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7343] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7352] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7346] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 201.519465][ T7351] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 201.531480][ T7345] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 201.546754][ T7346] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 201.568199][ T7346] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7343] <... futex resumed>) = 0 [pid 5005] fstat(3, [pid 7352] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7346] <... futex resumed>) = 1 [pid 7345] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7343] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7342] <... futex resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7346] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7342] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] getdents64(3, [pid 7346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7342] <... futex resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7346] mkdir("./bus", 000 [pid 7342] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7346] <... mkdir resumed>) = 0 [pid 7346] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7342] <... futex resumed>) = 0 [pid 7346] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7342] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7342] <... futex resumed>) = 0 [pid 7346] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7342] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7352] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 201.617261][ T7345] overlayfs: upper fs needs to support d_type. [ 201.625645][ T7352] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 201.640940][ T7346] overlayfs: upper fs needs to support d_type. [ 201.640955][ T7345] overlayfs: upper fs does not support tmpfile. [ 201.642009][ T7345] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 201.649406][ T7346] overlayfs: upper fs does not support tmpfile. [pid 7352] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7352] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7343] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7343] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] <... futex resumed>) = 0 [pid 7343] <... futex resumed>) = 0 [pid 7343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7343] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7343] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7342] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7343] <... clone resumed>, parent_tid=[7353], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7353 [pid 7342] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = 0 [pid 7343] <... futex resumed>) = 0 [pid 7342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7343] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7342] <... mmap resumed>) = 0x7fe580439000 [pid 7342] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7342] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7353 attached [pid 7339] exit_group(0 [pid 7342] <... clone resumed>, parent_tid=[7354], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7354 [pid 7353] set_robust_list(0x7fe5804599e0, 24 [pid 7352] <... futex resumed>) = ? [pid 7342] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... futex resumed>) = ? [pid 7339] <... exit_group resumed>) = ? [pid 7353] <... set_robust_list resumed>) = 0 [pid 7352] +++ exited with 0 +++ [pid 7342] <... futex resumed>) = 0 [pid 7340] +++ exited with 0 +++ [pid 7342] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7354 attached [pid 7339] +++ exited with 0 +++ [pid 7353] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7339, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 7353] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5007] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7354] set_robust_list(0x7fe5804599e0, 24 [pid 5007] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7354] <... set_robust_list resumed>) = 0 [pid 7354] mkdir(".", 0777) = -1 EEXIST (File exists) [ 201.655111][ T7345] overlayfs: failed to resolve './file0': -2 [ 201.663588][ T7346] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7354] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7345] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7345] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7345] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7354] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7354] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7354] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7353] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7353] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] <... futex resumed>) = 0 [pid 7343] exit_group(0 [pid 7345] <... futex resumed>) = ? [pid 7343] <... exit_group resumed>) = ? [pid 7345] +++ exited with 0 +++ [pid 7353] <... futex resumed>) = ? [pid 7342] <... futex resumed>) = 0 [pid 7353] +++ exited with 0 +++ [pid 7343] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7343, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7346] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7346] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7346] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7342] exit_group(0 [pid 7354] <... futex resumed>) = ? [pid 7346] <... futex resumed>) = ? [pid 7342] <... exit_group resumed>) = ? [pid 7354] +++ exited with 0 +++ [pid 7346] +++ exited with 0 +++ [pid 7342] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7342, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5008] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 201.715622][ T7353] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 201.718522][ T7354] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 201.750088][ T7346] overlayfs: failed to resolve './file0': -2 [pid 5008] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./135/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./135/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./135/bus") = 0 [pid 5005] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./135/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./135") = 0 [pid 5005] mkdir("./136", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7355 ./strace-static-x86_64: Process 7355 attached [pid 7355] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7355] chdir("./136") = 0 [pid 7355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7355] setpgid(0, 0) = 0 [pid 7355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7355] write(3, "1000", 4) = 4 [pid 7355] close(3) = 0 [pid 7355] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7355] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7355] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7355] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7356], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7356 [pid 7355] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7355] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7356 attached [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7356] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7356] <... set_robust_list resumed>) = 0 [pid 5007] lstat("./134/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7356] memfd_create("syzkaller", 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7356] <... memfd_create resumed>) = 3 [pid 5007] openat(AT_FDCWD, "./134/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7356] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] <... openat resumed>) = 4 [pid 5007] fstat(4, [pid 7356] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./134/bus" [pid 5004] <... umount2 resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5007] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./134/binderfs" [pid 5004] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./133/bus", [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./134" [pid 5004] umount2("./133/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./133/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... rmdir resumed>) = 0 [pid 5007] mkdir("./135", 0777 [pid 5004] <... openat resumed>) = 4 [pid 5007] <... mkdir resumed>) = 0 [pid 5004] fstat(4, [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5008] <... umount2 resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5008] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] getdents64(4, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] close(3) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./133/bus") = 0 [pid 5004] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./133/binderfs") = 0 [pid 5004] getdents64(3, [pid 5008] lstat("./136/bus", [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./133" [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5008] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7357 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] mkdir("./134", 0777 [pid 5008] openat(AT_FDCWD, "./136/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] <... mkdir resumed>) = 0 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... openat resumed>) = 3 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 7357 attached [pid 5008] rmdir("./136/bus" [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 7357] set_robust_list(0x5555568c85e0, 24 [pid 5008] <... rmdir resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 7357] <... set_robust_list resumed>) = 0 [pid 5008] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7357] chdir("./135" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7357] <... chdir resumed>) = 0 [pid 5008] lstat("./136/binderfs", [pid 7357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7358 [pid 7357] <... prctl resumed>) = 0 [pid 5008] unlink("./136/binderfs" [pid 7357] setpgid(0, 0 [pid 5008] <... unlink resumed>) = 0 [pid 7357] <... setpgid resumed>) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] close(3 [pid 7357] <... openat resumed>) = 3 [pid 5008] <... close resumed>) = 0 [pid 7357] write(3, "1000", 4 [pid 5008] rmdir("./136" [pid 7357] <... write resumed>) = 4 [pid 7357] close(3 [pid 5008] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7358 attached [pid 7357] <... close resumed>) = 0 [pid 5008] mkdir("./137", 0777 [pid 7358] set_robust_list(0x5555568c85e0, 24 [pid 7357] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... mkdir resumed>) = 0 [pid 7358] <... set_robust_list resumed>) = 0 [pid 7357] <... symlink resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7358] chdir("./134" [pid 7357] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 3 [pid 7358] <... chdir resumed>) = 0 [pid 7357] <... futex resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7358] <... prctl resumed>) = 0 [pid 7357] <... mmap resumed>) = 0x7fe58845a000 [pid 5008] close(3 [pid 7358] setpgid(0, 0 [pid 7357] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... close resumed>) = 0 [pid 7358] <... setpgid resumed>) = 0 [pid 7357] <... mprotect resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7358] write(3, "1000", 4 [pid 7357] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7359 [pid 7358] <... write resumed>) = 4 [pid 7358] close(3 [pid 7357] <... clone resumed>, parent_tid=[7360], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7360 [pid 7358] <... close resumed>) = 0 [pid 7357] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] symlink("/dev/binderfs", "./binderfs" [pid 7357] <... futex resumed>) = 0 [pid 7358] <... symlink resumed>) = 0 [pid 7357] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7358] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7360 attached ./strace-static-x86_64: Process 7359 attached ) = 0x7fe58845a000 [pid 7360] set_robust_list(0x7fe58847a9e0, 24 [pid 7358] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7360] <... set_robust_list resumed>) = 0 [pid 7359] set_robust_list(0x5555568c85e0, 24 [pid 7358] <... mprotect resumed>) = 0 [pid 7360] memfd_create("syzkaller", 0 [pid 7359] <... set_robust_list resumed>) = 0 [pid 7358] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7360] <... memfd_create resumed>) = 3 [pid 7360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7358] <... clone resumed>, parent_tid=[7361], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7361 [pid 7360] <... mmap resumed>) = 0x7fe58005a000 [pid 7358] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] chdir("./137" [pid 7358] <... futex resumed>) = 0 [pid 7358] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7359] <... chdir resumed>) = 0 [pid 7359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7359] setpgid(0, 0) = 0 [pid 7359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7361 attached [pid 7361] set_robust_list(0x7fe58847a9e0, 24 [pid 7359] <... openat resumed>) = 3 [pid 7361] <... set_robust_list resumed>) = 0 [pid 7359] write(3, "1000", 4 [pid 7361] memfd_create("syzkaller", 0 [pid 7359] <... write resumed>) = 4 [pid 7361] <... memfd_create resumed>) = 3 [pid 7359] close(3 [pid 7361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7359] <... close resumed>) = 0 [pid 7361] <... mmap resumed>) = 0x7fe58005a000 [pid 7359] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7359] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7359] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7359] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7362], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7362 [pid 7359] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7359] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7362 attached [pid 7356] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7362] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7362] memfd_create("syzkaller", 0) = 3 [pid 7362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7361] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7360] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7356] <... write resumed>) = 4194304 [pid 7356] munmap(0x7fe58005a000, 4194304) = 0 [pid 7356] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7356] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7356] close(3) = 0 [pid 7356] mkdir("./bus", 0777 [pid 7362] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7356] <... mkdir resumed>) = 0 [ 202.099542][ T7356] loop2: detected capacity change from 0 to 8192 [ 202.122586][ T7356] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7356] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7360] <... write resumed>) = 4194304 [pid 7360] munmap(0x7fe58005a000, 4194304) = 0 [pid 7360] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7360] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7360] close(3) = 0 [pid 7360] mkdir("./bus", 0777) = 0 [pid 7360] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7361] <... write resumed>) = 4194304 [ 202.146016][ T7356] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 202.158624][ T7356] REISERFS (device loop2): using ordered data mode [ 202.165646][ T7360] loop4: detected capacity change from 0 to 8192 [ 202.165844][ T7356] reiserfs: using flush barriers [ 202.178603][ T7356] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7361] munmap(0x7fe58005a000, 4194304 [pid 7362] <... write resumed>) = 4194304 [pid 7362] munmap(0x7fe58005a000, 4194304) = 0 [pid 7362] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7361] <... munmap resumed>) = 0 [pid 7361] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7362] ioctl(4, LOOP_SET_FD, 3 [ 202.202289][ T7360] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 202.218511][ T7356] REISERFS (device loop2): checking transaction log (loop2) [ 202.219726][ T7362] loop5: detected capacity change from 0 to 8192 [ 202.226188][ T7360] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 202.236790][ T7356] REISERFS (device loop2): Using r5 hash to sort names [pid 7361] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7361] close(3) = 0 [pid 7361] mkdir("./bus", 0777 [pid 7362] <... ioctl resumed>) = 0 [pid 7362] close(3 [pid 7361] <... mkdir resumed>) = 0 [pid 7361] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7362] <... close resumed>) = 0 [pid 7362] mkdir("./bus", 0777) = 0 [ 202.241858][ T7361] loop1: detected capacity change from 0 to 8192 [ 202.249210][ T7356] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 202.254813][ T7360] REISERFS (device loop4): using ordered data mode [ 202.274036][ T7360] reiserfs: using flush barriers [ 202.282607][ T7360] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 202.301264][ T7362] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 202.301343][ T7361] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 202.315055][ T7362] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 202.327672][ T7360] REISERFS (device loop4): checking transaction log (loop4) [ 202.337744][ T7356] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7362] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7356] <... mount resumed>) = 0 [pid 7356] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7356] chdir("./bus") = 0 [pid 7356] ioctl(4, LOOP_CLR_FD) = 0 [pid 7356] close(4) = 0 [pid 7356] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... futex resumed>) = 0 [pid 7355] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7355] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7356] <... futex resumed>) = 1 [pid 7356] mkdir("./file1", 000) = 0 [pid 7356] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... futex resumed>) = 0 [pid 7355] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7355] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7356] <... futex resumed>) = 1 [pid 7356] mkdir("./bus", 000) = 0 [pid 7356] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... futex resumed>) = 0 [pid 7355] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7355] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7356] <... futex resumed>) = 1 [ 202.343856][ T7361] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 202.373403][ T7360] REISERFS (device loop4): Using r5 hash to sort names [ 202.374551][ T7356] overlayfs: upper fs needs to support d_type. [ 202.385234][ T7360] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7356] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7355] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7355] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7355] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7355] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7367], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7367 [pid 7355] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7355] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7367 attached [pid 7367] set_robust_list(0x7fe5804599e0, 24) = 0 [ 202.387766][ T7362] REISERFS (device loop5): using ordered data mode [ 202.407286][ T7361] REISERFS (device loop1): using ordered data mode [ 202.414437][ T7356] overlayfs: upper fs does not support tmpfile. [ 202.414948][ T7361] reiserfs: using flush barriers [ 202.421348][ T7356] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 202.431940][ T7360] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 202.434875][ T7356] overlayfs: failed to resolve './file0': -2 [ 202.444080][ T7362] reiserfs: using flush barriers [pid 7367] mkdir(".", 0777 [pid 7360] <... mount resumed>) = 0 [pid 7367] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7367] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7360] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7356] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7367] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7367] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... futex resumed>) = 0 [pid 7367] <... futex resumed>) = 1 [pid 7367] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7360] <... openat resumed>) = 3 [pid 7360] chdir("./bus") = 0 [pid 7360] ioctl(4, LOOP_CLR_FD) = 0 [pid 7360] close(4) = 0 [pid 7360] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7356] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [ 202.449804][ T7361] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 202.461362][ T7367] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 202.470541][ T7361] REISERFS (device loop1): checking transaction log (loop1) [pid 7360] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7355] exit_group(0 [pid 7357] <... futex resumed>) = 0 [pid 7356] <... futex resumed>) = ? [pid 7355] <... exit_group resumed>) = ? [pid 7357] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7356] +++ exited with 0 +++ [pid 7360] <... futex resumed>) = 0 [pid 7357] <... futex resumed>) = 1 [pid 7360] mkdir("./file1", 000 [pid 7357] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7360] <... mkdir resumed>) = 0 [pid 7360] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7357] <... futex resumed>) = 0 [pid 7360] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7357] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] <... futex resumed>) = 0 [pid 7357] <... futex resumed>) = 1 [pid 7360] mkdir("./bus", 000 [pid 7357] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7360] <... mkdir resumed>) = 0 [pid 7360] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7357] <... futex resumed>) = 0 [pid 7360] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 7357] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] <... futex resumed>) = ? [pid 7360] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7357] <... futex resumed>) = 0 [pid 7367] +++ exited with 0 +++ [pid 7355] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7355, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [ 202.493321][ T7362] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 202.521634][ T7360] overlayfs: upper fs needs to support d_type. [ 202.521650][ T7361] REISERFS (device loop1): Using r5 hash to sort names [ 202.527826][ T7360] overlayfs: upper fs does not support tmpfile. [ 202.538791][ T7361] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7357] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] <... mount resumed>) = 0 [pid 7361] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7361] chdir("./bus") = 0 [pid 7361] ioctl(4, LOOP_CLR_FD) = 0 [pid 7361] close(4) = 0 [pid 7361] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7361] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] <... futex resumed>) = 0 [pid 7358] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7361] <... futex resumed>) = 0 [pid 7358] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] mkdir("./file1", 000) = 0 [pid 7361] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7361] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] <... futex resumed>) = 0 [ 202.546266][ T7360] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 202.554339][ T7361] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 202.562444][ T7362] REISERFS (device loop5): checking transaction log (loop5) [ 202.580665][ T7362] REISERFS (device loop5): Using r5 hash to sort names [ 202.588479][ T7362] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7358] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7361] <... futex resumed>) = 0 [pid 7358] <... futex resumed>) = 1 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7361] mkdir("./bus", 000 [pid 7358] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] <... mount resumed>) = 0 [pid 7361] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7361] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7361] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 7361] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7357] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7362] <... openat resumed>) = 3 [pid 7358] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7357] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] fstat(3, [pid 7357] <... futex resumed>) = 0 [pid 7357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7362] chdir("./bus" [pid 7361] <... futex resumed>) = 0 [pid 7358] <... futex resumed>) = 1 [pid 7357] <... mmap resumed>) = 0x7fe580439000 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7361] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7357] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7362] <... chdir resumed>) = 0 [pid 7360] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7358] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7357] <... mprotect resumed>) = 0 [pid 5005] getdents64(3, [pid 7357] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7368], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7368 [pid 7362] ioctl(4, LOOP_CLR_FD [pid 7360] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7357] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... ioctl resumed>) = 0 [pid 7360] <... futex resumed>) = 0 [pid 7357] <... futex resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7357] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7368 attached [pid 7368] set_robust_list(0x7fe5804599e0, 24 [pid 7362] close(4 [pid 7360] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7368] <... set_robust_list resumed>) = 0 [ 202.591171][ T7360] overlayfs: failed to resolve './file0': -2 [ 202.604673][ T7362] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 202.623430][ T7361] overlayfs: upper fs needs to support d_type. [ 202.629643][ T7361] overlayfs: upper fs does not support tmpfile. [ 202.639412][ T7361] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7368] mkdir(".", 0777 [pid 7362] <... close resumed>) = 0 [pid 7362] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7362] <... futex resumed>) = 1 [pid 7361] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] <... futex resumed>) = 0 [pid 7362] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7361] <... futex resumed>) = 1 [pid 7359] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] <... futex resumed>) = 0 [pid 7362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7361] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] <... futex resumed>) = 0 [pid 7358] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7368] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7362] mkdir("./file1", 000 [pid 7361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7358] <... futex resumed>) = 0 [pid 7362] <... mkdir resumed>) = 0 [pid 7361] mkdir(".", 0777 [pid 7358] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7362] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7362] <... futex resumed>) = 0 [pid 7361] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 202.650090][ T7361] overlayfs: failed to resolve './file0': -2 [pid 7368] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7362] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7362] mkdir("./bus", 000) = 0 [pid 7362] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7362] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7361] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7361] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] <... futex resumed>) = 0 [pid 7358] exit_group(0) = ? [pid 7361] <... futex resumed>) = ? [pid 7359] <... futex resumed>) = 1 [pid 7362] <... futex resumed>) = 0 [pid 7362] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7361] +++ exited with 0 +++ [pid 7358] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7358, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7359] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7362] <... futex resumed>) = 0 [pid 7359] <... futex resumed>) = 1 [pid 7362] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 202.677014][ T7361] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 202.716748][ T7362] overlayfs: upper fs needs to support d_type. [pid 7359] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7368] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7368] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7357] <... futex resumed>) = 0 [pid 7357] exit_group(0 [pid 7360] <... futex resumed>) = ? [pid 7357] <... exit_group resumed>) = ? [pid 7360] +++ exited with 0 +++ [pid 7368] +++ exited with 0 +++ [pid 7357] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7357, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7362] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7362] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] fstat(3, [pid 7362] <... futex resumed>) = 1 [pid 7359] <... futex resumed>) = 0 [pid 7362] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] <... futex resumed>) = 0 [pid 7362] mkdir(".", 0777 [pid 7359] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7362] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7362] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 202.716857][ T7368] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 202.724417][ T7362] overlayfs: upper fs does not support tmpfile. [ 202.745680][ T7362] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 202.754869][ T7362] overlayfs: failed to resolve './file0': -2 [pid 5007] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7362] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7362] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7359] <... futex resumed>) = 0 [pid 7362] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] exit_group(0 [pid 7362] <... futex resumed>) = ? [pid 7359] <... exit_group resumed>) = ? [pid 7362] +++ exited with 0 +++ [pid 7359] +++ exited with 0 +++ [pid 5005] <... umount2 resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7359, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./136/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./136/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./136/bus") = 0 [pid 5005] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 202.781824][ T7362] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] unlink("./136/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./136") = 0 [pid 5004] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] mkdir("./137", 0777) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] lstat("./134/bus", [pid 5005] <... openat resumed>) = 3 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5004] umount2("./134/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] close(3 [pid 5004] openat(AT_FDCWD, "./134/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... openat resumed>) = 4 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7369 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 ./strace-static-x86_64: Process 7369 attached [pid 5007] <... umount2 resumed>) = 0 [pid 5004] rmdir("./134/bus" [pid 7369] set_robust_list(0x5555568c85e0, 24 [pid 5007] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... rmdir resumed>) = 0 [pid 5004] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7369] <... set_robust_list resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./135/bus", [pid 5004] lstat("./134/binderfs", [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7369] chdir("./137" [pid 5007] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] unlink("./134/binderfs" [pid 7369] <... chdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] openat(AT_FDCWD, "./135/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... unlink resumed>) = 0 [pid 7369] <... prctl resumed>) = 0 [pid 5007] <... openat resumed>) = 4 [pid 5004] getdents64(3, [pid 7369] setpgid(0, 0 [pid 5007] fstat(4, [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7369] <... setpgid resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] close(3 [pid 7369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] getdents64(4, [pid 5004] <... close resumed>) = 0 [pid 7369] <... openat resumed>) = 3 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] rmdir("./134" [pid 7369] write(3, "1000", 4 [pid 5007] getdents64(4, [pid 5004] <... rmdir resumed>) = 0 [pid 7369] <... write resumed>) = 4 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] mkdir("./135", 0777 [pid 7369] close(3 [pid 5007] close(4 [pid 5004] <... mkdir resumed>) = 0 [pid 7369] <... close resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7369] symlink("/dev/binderfs", "./binderfs" [pid 5007] rmdir("./135/bus" [pid 5004] <... openat resumed>) = 3 [pid 7369] <... symlink resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 7369] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7369] <... futex resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] close(3 [pid 7369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] lstat("./135/binderfs", [pid 5004] <... close resumed>) = 0 [pid 7369] <... mmap resumed>) = 0x7fe58845a000 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7369] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] unlink("./135/binderfs" [pid 7369] <... mprotect resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7370 [pid 7369] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] getdents64(3, ./strace-static-x86_64: Process 7370 attached 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7369] <... clone resumed>, parent_tid=[7371], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7371 [pid 5007] close(3 [pid 7369] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... close resumed>) = 0 [pid 7369] <... futex resumed>) = 0 [pid 5007] rmdir("./135" [pid 7370] set_robust_list(0x5555568c85e0, 24 [pid 7369] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... rmdir resumed>) = 0 [pid 5007] mkdir("./136", 0777 [pid 7370] <... set_robust_list resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 7370] chdir("./135" [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7370] <... chdir resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7372 [pid 7370] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7371 attached ) = 0 [pid 7371] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7370] setpgid(0, 0 [pid 7371] memfd_create("syzkaller", 0 [pid 7370] <... setpgid resumed>) = 0 [pid 7371] <... memfd_create resumed>) = 3 [pid 7371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7371] <... mmap resumed>) = 0x7fe58005a000 [pid 7370] <... openat resumed>) = 3 [pid 7370] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 7372 attached [pid 7370] close(3 [pid 7372] set_robust_list(0x5555568c85e0, 24 [pid 7370] <... close resumed>) = 0 [pid 7372] <... set_robust_list resumed>) = 0 [pid 7370] symlink("/dev/binderfs", "./binderfs" [pid 7372] chdir("./136") = 0 [pid 7372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7370] <... symlink resumed>) = 0 [pid 7372] setpgid(0, 0 [pid 7370] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... setpgid resumed>) = 0 [pid 7372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7370] <... futex resumed>) = 0 [pid 7372] <... openat resumed>) = 3 [pid 7370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7372] write(3, "1000", 4) = 4 [pid 7370] <... mmap resumed>) = 0x7fe58845a000 [pid 7372] close(3 [pid 7370] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7372] <... close resumed>) = 0 [pid 7370] <... mprotect resumed>) = 0 [pid 7372] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7370] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7372] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7370] <... clone resumed>, parent_tid=[7373], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7373 [pid 7372] <... mmap resumed>) = 0x7fe58845a000 [pid 7370] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7370] <... futex resumed>) = 0 [pid 7372] <... mprotect resumed>) = 0 [pid 7370] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7372] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... umount2 resumed>) = 0 [pid 7372] <... clone resumed>, parent_tid=[7374], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7374 [pid 7372] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7372] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7374 attached [pid 7374] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7373 attached [pid 5008] lstat("./137/bus", [pid 7374] memfd_create("syzkaller", 0 [pid 7373] set_robust_list(0x7fe58847a9e0, 24 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7374] <... memfd_create resumed>) = 3 [pid 7373] <... set_robust_list resumed>) = 0 [pid 5008] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7373] memfd_create("syzkaller", 0 [pid 5008] openat(AT_FDCWD, "./137/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7373] <... memfd_create resumed>) = 3 [pid 7371] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... openat resumed>) = 4 [pid 7373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] fstat(4, [pid 7373] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./137/bus") = 0 [pid 5008] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./137/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./137") = 0 [pid 5008] mkdir("./138", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7375 ./strace-static-x86_64: Process 7375 attached [pid 7375] set_robust_list(0x5555568c85e0, 24 [pid 7374] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7375] <... set_robust_list resumed>) = 0 [pid 7375] chdir("./138") = 0 [pid 7375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7375] setpgid(0, 0) = 0 [pid 7375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7375] write(3, "1000", 4) = 4 [pid 7375] close(3) = 0 [pid 7375] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7375] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7375] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7375] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7376], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7376 [pid 7375] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7375] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7376 attached [pid 7376] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7376] memfd_create("syzkaller", 0) = 3 [pid 7376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7373] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7371] <... write resumed>) = 4194304 [pid 7371] munmap(0x7fe58005a000, 4194304) = 0 [pid 7371] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7371] ioctl(4, LOOP_SET_FD, 3 [pid 7374] <... write resumed>) = 4194304 [pid 7371] <... ioctl resumed>) = 0 [pid 7371] close(3 [pid 7374] munmap(0x7fe58005a000, 4194304 [pid 7371] <... close resumed>) = 0 [pid 7371] mkdir("./bus", 0777) = 0 [pid 7371] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7374] <... munmap resumed>) = 0 [pid 7374] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7374] ioctl(4, LOOP_SET_FD, 3 [pid 7376] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7374] <... ioctl resumed>) = 0 [pid 7374] close(3) = 0 [pid 7374] mkdir("./bus", 0777) = 0 [ 203.116425][ T7371] loop2: detected capacity change from 0 to 8192 [ 203.139567][ T7374] loop4: detected capacity change from 0 to 8192 [ 203.146891][ T7371] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7374] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7373] <... write resumed>) = 4194304 [pid 7373] munmap(0x7fe58005a000, 4194304) = 0 [pid 7373] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 203.160024][ T7371] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 203.169322][ T7371] REISERFS (device loop2): using ordered data mode [ 203.174736][ T7374] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 203.175914][ T7371] reiserfs: using flush barriers [ 203.195312][ T7371] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7373] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7373] close(3) = 0 [pid 7373] mkdir("./bus", 0777) = 0 [pid 7373] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7376] <... write resumed>) = 4194304 [ 203.206043][ T7373] loop1: detected capacity change from 0 to 8192 [ 203.211588][ T7374] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 203.222385][ T7371] REISERFS (device loop2): checking transaction log (loop2) [ 203.235378][ T7373] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 203.247433][ T7374] REISERFS (device loop4): using ordered data mode [ 203.249887][ T7371] REISERFS (device loop2): Using r5 hash to sort names [ 203.255477][ T7374] reiserfs: using flush barriers [pid 7376] munmap(0x7fe58005a000, 4194304) = 0 [pid 7376] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7376] ioctl(4, LOOP_SET_FD, 3 [pid 7371] <... mount resumed>) = 0 [ 203.262461][ T7373] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 203.270261][ T7371] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 203.276780][ T7374] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 203.289656][ T7371] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7376] <... ioctl resumed>) = 0 [pid 7371] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7376] close(3 [pid 7371] <... openat resumed>) = 3 [pid 7376] <... close resumed>) = 0 [pid 7371] chdir("./bus" [pid 7376] mkdir("./bus", 0777 [pid 7371] <... chdir resumed>) = 0 [pid 7376] <... mkdir resumed>) = 0 [pid 7371] ioctl(4, LOOP_CLR_FD [pid 7376] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7371] <... ioctl resumed>) = 0 [pid 7371] close(4) = 0 [pid 7371] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7369] <... futex resumed>) = 0 [pid 7371] mkdir("./file1", 000 [pid 7369] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] <... mkdir resumed>) = 0 [pid 7369] <... futex resumed>) = 0 [pid 7371] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7371] <... futex resumed>) = 0 [pid 7369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7371] mkdir("./bus", 000 [pid 7369] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] <... mkdir resumed>) = 0 [pid 7369] <... futex resumed>) = 0 [pid 7371] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7371] <... futex resumed>) = 0 [pid 7369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7371] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7369] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7369] <... futex resumed>) = 0 [pid 7371] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 203.315508][ T7376] loop5: detected capacity change from 0 to 8192 [ 203.315809][ T7373] REISERFS (device loop1): using ordered data mode [ 203.322450][ T7374] REISERFS (device loop4): checking transaction log (loop4) [ 203.336873][ T7374] REISERFS (device loop4): Using r5 hash to sort names [ 203.351561][ T7371] overlayfs: upper fs needs to support d_type. [ 203.357796][ T7371] overlayfs: upper fs does not support tmpfile. [pid 7369] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] <... mount resumed>) = 0 [ 203.365129][ T7374] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 203.366743][ T7373] reiserfs: using flush barriers [ 203.378199][ T7374] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 203.386890][ T7371] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 203.394026][ T7373] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7374] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7369] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7374] <... openat resumed>) = 3 [pid 7369] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] chdir("./bus" [pid 7369] <... futex resumed>) = 0 [pid 7374] <... chdir resumed>) = 0 [pid 7369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7374] ioctl(4, LOOP_CLR_FD [pid 7369] <... mmap resumed>) = 0x7fe580439000 [pid 7374] <... ioctl resumed>) = 0 [pid 7369] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7374] close(4 [pid 7369] <... mprotect resumed>) = 0 [pid 7374] <... close resumed>) = 0 [pid 7369] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7374] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7369] <... clone resumed>, parent_tid=[7381], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7381 [ 203.405399][ T7371] overlayfs: failed to resolve './file0': -2 [ 203.416410][ T7373] REISERFS (device loop1): checking transaction log (loop1) [ 203.422007][ T7376] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 203.430142][ T7373] REISERFS (device loop1): Using r5 hash to sort names [ 203.441626][ T7376] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 203.441711][ T7376] REISERFS (device loop5): using ordered data mode [pid 7374] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7369] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7369] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7372] <... futex resumed>) = 0 [pid 7372] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = 0 [pid 7372] <... futex resumed>) = 1 [pid 7374] mkdir("./file1", 000 [pid 7372] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] <... mkdir resumed>) = 0 [pid 7374] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7372] <... futex resumed>) = 0 [pid 7374] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7372] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7372] <... futex resumed>) = 0 [pid 7374] mkdir("./bus", 000 [pid 7372] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7381 attached [ 203.465080][ T7373] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 203.493075][ T7373] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 203.502825][ T7376] reiserfs: using flush barriers [pid 7374] <... mkdir resumed>) = 0 [pid 7373] <... mount resumed>) = 0 [pid 7371] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7381] set_robust_list(0x7fe5804599e0, 24 [pid 7374] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7372] <... futex resumed>) = 0 [pid 7374] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7372] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7372] <... futex resumed>) = 0 [pid 7374] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7372] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7381] <... set_robust_list resumed>) = 0 [pid 7373] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7371] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] mkdir(".", 0777 [pid 7373] <... openat resumed>) = 3 [pid 7371] <... futex resumed>) = 0 [pid 7373] chdir("./bus" [pid 7371] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] <... chdir resumed>) = 0 [pid 7373] ioctl(4, LOOP_CLR_FD) = 0 [pid 7373] close(4) = 0 [pid 7373] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7373] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7381] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7381] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7370] <... futex resumed>) = 0 [pid 7370] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] <... futex resumed>) = 0 [pid 7370] <... futex resumed>) = 1 [pid 7370] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7373] mkdir("./file1", 000) = 0 [pid 7373] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7370] <... futex resumed>) = 0 [ 203.509541][ T7376] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 203.525858][ T7374] overlayfs: upper fs needs to support d_type. [ 203.526671][ T7376] REISERFS (device loop5): checking transaction log (loop5) [ 203.535379][ T7374] overlayfs: upper fs does not support tmpfile. [ 203.555105][ T7376] REISERFS (device loop5): Using r5 hash to sort names [pid 7373] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7370] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] mkdir("./bus", 000 [pid 7370] <... futex resumed>) = 0 [pid 7373] <... mkdir resumed>) = 0 [pid 7370] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7373] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7372] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7372] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7372] <... futex resumed>) = 0 [pid 7370] <... futex resumed>) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7373] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7381] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7370] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7381] <... futex resumed>) = 1 [pid 7372] <... mmap resumed>) = 0x7fe580439000 [pid 7369] <... futex resumed>) = 0 [pid 7381] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7372] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7369] exit_group(0 [pid 7381] <... futex resumed>) = ? [pid 7372] <... mprotect resumed>) = 0 [pid 7369] <... exit_group resumed>) = ? [pid 7381] +++ exited with 0 +++ [pid 7372] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7382], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7382 [pid 7372] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 203.564142][ T7381] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 203.584914][ T7374] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 203.586251][ T7376] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 203.594072][ T7374] overlayfs: failed to resolve './file0': -2 [pid 7372] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7382 attached [pid 7376] <... mount resumed>) = 0 [pid 7371] <... futex resumed>) = ? [pid 7382] set_robust_list(0x7fe5804599e0, 24 [pid 7371] +++ exited with 0 +++ [pid 7369] +++ exited with 0 +++ [pid 7382] <... set_robust_list resumed>) = 0 [pid 7382] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7382] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7376] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7376] chdir("./bus") = 0 [pid 7376] ioctl(4, LOOP_CLR_FD) = 0 [pid 7376] close(4) = 0 [pid 7376] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... futex resumed>) = 0 [pid 7375] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7375] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7376] <... futex resumed>) = 1 [pid 7376] mkdir("./file1", 000) = 0 [pid 7376] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... futex resumed>) = 0 [pid 7375] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7375] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7376] <... futex resumed>) = 1 [pid 7376] mkdir("./bus", 000) = 0 [pid 7376] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... futex resumed>) = 0 [pid 7375] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7375] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7376] <... futex resumed>) = 1 [pid 7376] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7369, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [ 203.607148][ T7376] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 203.619998][ T7373] overlayfs: upper fs needs to support d_type. [ 203.634895][ T7382] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 203.649214][ T7373] overlayfs: upper fs does not support tmpfile. [ 203.651998][ T7376] overlayfs: upper fs needs to support d_type. [ 203.658099][ T7373] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7374] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7370] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7370] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7382] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7374] <... futex resumed>) = 0 [pid 7370] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7382] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... futex resumed>) = 0 [pid 7372] exit_group(0) = ? [pid 7370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7374] +++ exited with 0 +++ [pid 7370] <... mmap resumed>) = 0x7fe580439000 [pid 5005] <... openat resumed>) = 3 [pid 7370] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7382] <... futex resumed>) = ? [pid 7370] <... mprotect resumed>) = 0 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7370] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] getdents64(3, [pid 7375] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7370] <... clone resumed>, parent_tid=[7383], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7383 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7375] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7375] <... futex resumed>) = 0 [pid 7370] <... futex resumed>) = 0 [pid 7375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7370] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7375] <... mmap resumed>) = 0x7fe580439000 [pid 7375] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7383 attached ) = 0 [pid 7383] set_robust_list(0x7fe5804599e0, 24 [pid 7375] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7383] <... set_robust_list resumed>) = 0 [pid 7375] <... clone resumed>, parent_tid=[7384], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7384 [pid 7375] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] mkdir(".", 0777 [pid 7375] <... futex resumed>) = 0 [pid 7375] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7383] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7383] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7384 attached [pid 7384] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7384] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7382] +++ exited with 0 +++ [pid 7372] +++ exited with 0 +++ [pid 7384] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7372, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [ 203.662692][ T7376] overlayfs: upper fs does not support tmpfile. [ 203.703189][ T7383] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5007] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7383] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7383] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7383] <... futex resumed>) = 1 [pid 5007] <... openat resumed>) = 3 [pid 7383] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7370] <... futex resumed>) = 0 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./137/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./137/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./137/bus") = 0 [pid 5005] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./137/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./137") = 0 [pid 5005] mkdir("./138", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7385 ./strace-static-x86_64: Process 7385 attached [ 203.704524][ T7376] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 203.732103][ T7384] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 203.762797][ T7373] overlayfs: failed to resolve './file0': -2 [pid 7385] set_robust_list(0x5555568c85e0, 24 [pid 7384] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7385] <... set_robust_list resumed>) = 0 [pid 7385] chdir("./138") = 0 [pid 7385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7385] setpgid(0, 0) = 0 [pid 7385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7385] write(3, "1000", 4 [pid 7384] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] <... write resumed>) = 4 [pid 7384] <... futex resumed>) = 1 [pid 7375] <... futex resumed>) = 0 [pid 7385] close(3 [pid 7384] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7385] <... close resumed>) = 0 [pid 7385] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7385] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7373] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7385] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7376] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7373] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] exit_group(0 [pid 7385] <... mprotect resumed>) = 0 [pid 7383] <... futex resumed>) = ? [pid 7376] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] <... futex resumed>) = ? [pid 7370] <... exit_group resumed>) = ? [pid 7385] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7383] +++ exited with 0 +++ [pid 7376] <... futex resumed>) = 0 [pid 7373] +++ exited with 0 +++ ./strace-static-x86_64: Process 7386 attached [pid 7376] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7370] +++ exited with 0 +++ [pid 7385] <... clone resumed>, parent_tid=[7386], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7386 [pid 7375] exit_group(0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7370, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 7386] set_robust_list(0x7fe58847a9e0, 24 [pid 7385] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7384] <... futex resumed>) = ? [pid 7376] <... futex resumed>) = ? [pid 7375] <... exit_group resumed>) = ? [pid 7386] <... set_robust_list resumed>) = 0 [pid 7385] <... futex resumed>) = 0 [pid 7384] +++ exited with 0 +++ [pid 7376] +++ exited with 0 +++ [pid 7375] +++ exited with 0 +++ [pid 7386] memfd_create("syzkaller", 0 [pid 7385] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7375, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7386] <... memfd_create resumed>) = 3 [pid 7386] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7386] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, [pid 5004] <... openat resumed>) = 3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] fstat(3, [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 203.792960][ T7376] overlayfs: failed to resolve './file0': -2 [pid 5004] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./136/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./136/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./136/bus") = 0 [pid 5007] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./136/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./136") = 0 [pid 5007] mkdir("./137", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7387 ./strace-static-x86_64: Process 7387 attached [pid 7387] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7387] chdir("./137") = 0 [pid 7387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7387] setpgid(0, 0) = 0 [pid 7387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7387] write(3, "1000", 4) = 4 [pid 7387] close(3) = 0 [pid 7387] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7387] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7387] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7387] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7388], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7388 [pid 7387] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7387] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7388 attached [pid 7388] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7388] memfd_create("syzkaller", 0) = 3 [pid 7388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = 0 [pid 7386] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./138/bus", [pid 5004] lstat("./135/bus", [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./135/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./138/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] openat(AT_FDCWD, "./135/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... openat resumed>) = 4 [pid 5004] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 5004] fstat(4, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 5004] getdents64(4, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 5004] getdents64(4, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4 [pid 5004] close(4 [pid 5008] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5008] rmdir("./138/bus" [pid 5004] rmdir("./135/bus" [pid 5008] <... rmdir resumed>) = 0 [pid 5008] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... rmdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] unlink("./138/binderfs" [pid 5004] lstat("./135/binderfs", [pid 5008] <... unlink resumed>) = 0 [pid 5008] getdents64(3, [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] unlink("./135/binderfs" [pid 5008] close(3) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5008] rmdir("./138" [pid 5004] getdents64(3, [pid 5008] <... rmdir resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] mkdir("./139", 0777 [pid 5004] close(3 [pid 5008] <... mkdir resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] rmdir("./135" [pid 5008] <... openat resumed>) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5004] <... rmdir resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] mkdir("./136", 0777 [pid 5008] close(3 [pid 5004] <... mkdir resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7389 [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7390 ./strace-static-x86_64: Process 7390 attached [pid 7390] set_robust_list(0x5555568c85e0, 24) = 0 ./strace-static-x86_64: Process 7389 attached [pid 7390] chdir("./136") = 0 [pid 7390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7386] <... write resumed>) = 4194304 [pid 7390] setpgid(0, 0) = 0 [pid 7386] munmap(0x7fe58005a000, 4194304 [pid 7390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7389] set_robust_list(0x5555568c85e0, 24 [pid 7390] <... openat resumed>) = 3 [pid 7389] <... set_robust_list resumed>) = 0 [pid 7388] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7390] write(3, "1000", 4 [pid 7389] chdir("./139" [pid 7386] <... munmap resumed>) = 0 [pid 7390] <... write resumed>) = 4 [pid 7386] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7390] close(3 [pid 7386] <... openat resumed>) = 4 [pid 7390] <... close resumed>) = 0 [pid 7386] ioctl(4, LOOP_SET_FD, 3 [pid 7390] symlink("/dev/binderfs", "./binderfs" [pid 7389] <... chdir resumed>) = 0 [pid 7386] <... ioctl resumed>) = 0 [pid 7390] <... symlink resumed>) = 0 [pid 7390] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7390] <... futex resumed>) = 0 [pid 7390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7389] <... prctl resumed>) = 0 [pid 7390] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7389] setpgid(0, 0 [pid 7390] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7389] <... setpgid resumed>) = 0 [pid 7390] <... clone resumed>, parent_tid=[7391], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7391 [pid 7390] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7390] <... futex resumed>) = 0 [pid 7390] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7386] close(3 [pid 7389] <... openat resumed>) = 3 [pid 7386] <... close resumed>) = 0 [pid 7386] mkdir("./bus", 0777 [pid 7389] write(3, "1000", 4) = 4 [pid 7389] close(3) = 0 [pid 7389] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7389] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7386] <... mkdir resumed>) = 0 [pid 7389] <... mmap resumed>) = 0x7fe58845a000 [pid 7389] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7386] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7389] <... mprotect resumed>) = 0 [pid 7389] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7393 attached ./strace-static-x86_64: Process 7391 attached [pid 7393] set_robust_list(0x7fe58847a9e0, 24 [pid 7391] set_robust_list(0x7fe58847a9e0, 24 [pid 7389] <... clone resumed>, parent_tid=[7393], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7393 [pid 7393] <... set_robust_list resumed>) = 0 [pid 7393] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7391] <... set_robust_list resumed>) = 0 [pid 7389] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7391] memfd_create("syzkaller", 0 [pid 7389] <... futex resumed>) = 0 [pid 7393] memfd_create("syzkaller", 0 [pid 7391] <... memfd_create resumed>) = 3 [pid 7389] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7393] <... memfd_create resumed>) = 3 [pid 7391] <... mmap resumed>) = 0x7fe58005a000 [ 204.053522][ T7386] loop2: detected capacity change from 0 to 8192 [ 204.071691][ T7386] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 204.086347][ T7386] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7388] <... write resumed>) = 4194304 [pid 7388] munmap(0x7fe58005a000, 4194304) = 0 [pid 7388] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 204.097872][ T7386] REISERFS (device loop2): using ordered data mode [ 204.105826][ T7386] reiserfs: using flush barriers [ 204.115216][ T7386] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7388] ioctl(4, LOOP_SET_FD, 3 [pid 7391] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7388] <... ioctl resumed>) = 0 [pid 7388] close(3) = 0 [pid 7388] mkdir("./bus", 0777) = 0 [pid 7388] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7393] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7391] <... write resumed>) = 4194304 [pid 7391] munmap(0x7fe58005a000, 4194304) = 0 [pid 7391] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 204.149895][ T7388] loop4: detected capacity change from 0 to 8192 [ 204.168485][ T7386] REISERFS (device loop2): checking transaction log (loop2) [ 204.177160][ T7388] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7391] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7391] close(3) = 0 [pid 7391] mkdir("./bus", 0777) = 0 [ 204.202760][ T7391] loop1: detected capacity change from 0 to 8192 [ 204.202996][ T7386] REISERFS (device loop2): Using r5 hash to sort names [ 204.211099][ T7388] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 204.226258][ T7391] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 204.240031][ T7386] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 204.240137][ T7388] REISERFS (device loop4): using ordered data mode [ 204.260048][ T7391] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 204.269372][ T7388] reiserfs: using flush barriers [ 204.269500][ T7386] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 204.275644][ T7391] REISERFS (device loop1): using ordered data mode [pid 7391] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7393] <... write resumed>) = 4194304 [pid 7386] <... mount resumed>) = 0 [pid 7386] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7386] chdir("./bus") = 0 [pid 7386] ioctl(4, LOOP_CLR_FD) = 0 [pid 7386] close(4) = 0 [pid 7386] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7386] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] munmap(0x7fe58005a000, 4194304 [pid 7385] <... futex resumed>) = 0 [ 204.290158][ T7388] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 204.301583][ T7391] reiserfs: using flush barriers [ 204.310051][ T7388] REISERFS (device loop4): checking transaction log (loop4) [ 204.313707][ T7391] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 204.322947][ T7393] loop5: detected capacity change from 0 to 8192 [ 204.335979][ T7391] REISERFS (device loop1): checking transaction log (loop1) [pid 7393] <... munmap resumed>) = 0 [pid 7385] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7385] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7393] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7393] ioctl(4, LOOP_SET_FD, 3 [pid 7386] <... futex resumed>) = 0 [pid 7386] mkdir("./file1", 000) = 0 [pid 7386] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7386] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7385] <... futex resumed>) = 0 [pid 7385] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7386] <... futex resumed>) = 0 [pid 7385] <... futex resumed>) = 1 [pid 7393] <... ioctl resumed>) = 0 [pid 7393] close(3) = 0 [pid 7393] mkdir("./bus", 0777) = 0 [pid 7393] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7388] <... mount resumed>) = 0 [pid 7386] mkdir("./bus", 000 [pid 7385] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7386] <... mkdir resumed>) = 0 [pid 7386] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7385] <... futex resumed>) = 0 [pid 7386] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7385] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7385] <... futex resumed>) = 0 [pid 7386] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7385] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7388] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7388] chdir("./bus") = 0 [pid 7388] ioctl(4, LOOP_CLR_FD) = 0 [pid 7388] close(4) = 0 [pid 7388] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7387] <... futex resumed>) = 0 [pid 7387] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7387] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7388] <... futex resumed>) = 1 [pid 7388] mkdir("./file1", 000) = 0 [pid 7388] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7387] <... futex resumed>) = 0 [pid 7387] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] <... futex resumed>) = 1 [pid 7387] <... futex resumed>) = 0 [pid 7388] mkdir("./bus", 000 [pid 7387] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7388] <... mkdir resumed>) = 0 [pid 7388] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7387] <... futex resumed>) = 0 [pid 7388] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7387] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 204.342192][ T7388] REISERFS (device loop4): Using r5 hash to sort names [ 204.356140][ T7388] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 204.369661][ T7388] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 204.378904][ T7391] REISERFS (device loop1): Using r5 hash to sort names [ 204.386450][ T7386] overlayfs: upper fs needs to support d_type. [ 204.394220][ T7388] overlayfs: upper fs needs to support d_type. [pid 7387] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7385] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7385] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7385] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7385] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7397], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7397 [pid 7385] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 204.394595][ T7393] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 204.400691][ T7386] overlayfs: upper fs does not support tmpfile. [ 204.419938][ T7388] overlayfs: upper fs does not support tmpfile. [ 204.427424][ T7388] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 204.431641][ T7391] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 204.437349][ T7386] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7385] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7387] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7387] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7387] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7387] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7398], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7398 [pid 7387] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7387] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7398 attached [pid 7386] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7386] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7386] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7398] set_robust_list(0x7fe5804599e0, 24./strace-static-x86_64: Process 7397 attached [pid 7397] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7398] <... set_robust_list resumed>) = 0 [pid 7397] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7397] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 204.449323][ T7388] overlayfs: failed to resolve './file0': -2 [ 204.455535][ T7386] overlayfs: failed to resolve './file0': -2 [ 204.475255][ T7393] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 204.484934][ T7393] REISERFS (device loop5): using ordered data mode [ 204.491892][ T7393] reiserfs: using flush barriers [pid 7398] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7398] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7391] <... mount resumed>) = 0 [pid 7397] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7397] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [ 204.498454][ T7393] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 204.514803][ T7391] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 204.518605][ T7397] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 204.524826][ T7393] REISERFS (device loop5): checking transaction log (loop5) [ 204.548067][ T7393] REISERFS (device loop5): Using r5 hash to sort names [pid 7391] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7398] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7397] <... futex resumed>) = 1 [pid 7391] <... openat resumed>) = 3 [pid 7388] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7385] <... futex resumed>) = 0 [pid 7397] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7391] chdir("./bus" [pid 7388] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] exit_group(0 [pid 7397] <... futex resumed>) = ? [pid 7391] <... chdir resumed>) = 0 [pid 7388] <... futex resumed>) = 0 [pid 7385] <... exit_group resumed>) = ? [pid 7397] +++ exited with 0 +++ [pid 7391] ioctl(4, LOOP_CLR_FD [pid 7388] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7391] <... ioctl resumed>) = 0 [pid 7391] close(4) = 0 [pid 7391] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7391] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7398] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7398] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7386] <... futex resumed>) = ? [pid 7386] +++ exited with 0 +++ [pid 7385] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7385, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 5005] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7390] <... futex resumed>) = 0 [pid 7387] <... futex resumed>) = 0 [pid 7393] <... mount resumed>) = 0 [pid 7390] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7387] exit_group(0 [pid 7398] <... futex resumed>) = ? [pid 7393] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7391] <... futex resumed>) = 0 [pid 7390] <... futex resumed>) = 1 [pid 7388] <... futex resumed>) = ? [pid 7387] <... exit_group resumed>) = ? [pid 7398] +++ exited with 0 +++ [pid 7393] <... openat resumed>) = 3 [pid 7391] mkdir("./file1", 000 [pid 7390] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7388] +++ exited with 0 +++ [pid 7393] chdir("./bus" [pid 7391] <... mkdir resumed>) = 0 [pid 7387] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7387, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 7391] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... restart_syscall resumed>) = 0 [pid 7393] <... chdir resumed>) = 0 [pid 7391] <... futex resumed>) = 1 [pid 7390] <... futex resumed>) = 0 [pid 7393] ioctl(4, LOOP_CLR_FD [pid 7391] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7390] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] <... ioctl resumed>) = 0 [pid 7391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7390] <... futex resumed>) = 0 [pid 5007] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7393] close(4 [pid 7391] mkdir("./bus", 000 [pid 7390] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7393] <... close resumed>) = 0 [pid 7391] <... mkdir resumed>) = 0 [pid 5007] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7393] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] <... futex resumed>) = 1 [ 204.550354][ T7398] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 204.557112][ T7393] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 204.592045][ T7393] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7391] <... futex resumed>) = 1 [pid 7390] <... futex resumed>) = 0 [pid 7389] <... futex resumed>) = 0 [pid 7393] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7391] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7390] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7390] <... futex resumed>) = 0 [pid 7389] <... futex resumed>) = 0 [pid 7389] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7393] mkdir("./file1", 000 [pid 7391] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7390] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7393] <... mkdir resumed>) = 0 [pid 7393] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7389] <... futex resumed>) = 0 [pid 7393] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7389] <... futex resumed>) = 0 [pid 7393] mkdir("./bus", 000 [pid 7389] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7393] <... mkdir resumed>) = 0 [pid 7393] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7389] <... futex resumed>) = 0 [pid 7393] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7389] <... futex resumed>) = 0 [pid 7393] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7389] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7390] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7390] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7390] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7390] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7399], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7399 [pid 7390] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 204.649379][ T7391] overlayfs: upper fs needs to support d_type. [ 204.664678][ T7393] overlayfs: upper fs needs to support d_type. [ 204.665335][ T7391] overlayfs: upper fs does not support tmpfile. [ 204.681663][ T7393] overlayfs: upper fs does not support tmpfile. [ 204.688488][ T7393] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7390] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... umount2 resumed>) = 0 [pid 7389] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7389] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7389] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7389] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7400], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7400 [pid 7389] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7389] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7400 attached [pid 7400] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7400] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7400] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7399 attached [pid 7399] set_robust_list(0x7fe5804599e0, 24 [pid 5005] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7399] <... set_robust_list resumed>) = 0 [pid 7399] mkdir(".", 0777 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7399] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5005] lstat("./138/bus", [pid 7399] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./138/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./137/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./137/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] <... openat resumed>) = 4 [ 204.708077][ T7391] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 204.738071][ T7399] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] fstat(4, [pid 7399] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(4, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./138/bus") = 0 [pid 5005] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./138/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./138") = 0 [pid 5005] mkdir("./139", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7393] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7393] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7401 [pid 7399] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7399] <... futex resumed>) = 1 [pid 7390] <... futex resumed>) = 0 [pid 7399] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] close(4) = 0 [pid 5007] rmdir("./137/bus") = 0 [pid 5007] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./137/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./137") = 0 [pid 5007] mkdir("./138", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7401 attached [pid 7401] set_robust_list(0x5555568c85e0, 24 [pid 7391] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7401] <... set_robust_list resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7402 [pid 7391] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7391] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7401] chdir("./139" [pid 7390] exit_group(0 [pid 7399] <... futex resumed>) = ? [pid 7390] <... exit_group resumed>) = ? [pid 7399] +++ exited with 0 +++ [pid 7401] <... chdir resumed>) = 0 [pid 7391] <... futex resumed>) = ? [pid 7400] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7402 attached [pid 7402] set_robust_list(0x5555568c85e0, 24 [pid 7401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7402] <... set_robust_list resumed>) = 0 [pid 7402] chdir("./138") = 0 [pid 7402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7402] setpgid(0, 0) = 0 [pid 7402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7391] +++ exited with 0 +++ [pid 7401] <... prctl resumed>) = 0 [pid 7390] +++ exited with 0 +++ [pid 7401] setpgid(0, 0 [pid 7400] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7390, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 7402] <... openat resumed>) = 3 [pid 7402] write(3, "1000", 4 [pid 7401] <... setpgid resumed>) = 0 [pid 7402] <... write resumed>) = 4 [pid 7402] close(3) = 0 [pid 7402] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7402] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7401] <... openat resumed>) = 3 [pid 7401] write(3, "1000", 4 [pid 7389] <... futex resumed>) = 0 [pid 7402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7389] exit_group(0 [pid 7401] <... write resumed>) = 4 [pid 5004] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7402] <... mmap resumed>) = 0x7fe58845a000 [pid 7400] <... futex resumed>) = ? [pid 7393] <... futex resumed>) = ? [pid 7389] <... exit_group resumed>) = ? [pid 7402] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7401] close(3 [pid 7393] +++ exited with 0 +++ [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7402] <... mprotect resumed>) = 0 [pid 5004] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7402] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7401] <... close resumed>) = 0 [pid 7401] symlink("/dev/binderfs", "./binderfs" [pid 5004] <... openat resumed>) = 3 [pid 7402] <... clone resumed>, parent_tid=[7403], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7403 [pid 7402] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7401] <... symlink resumed>) = 0 [pid 7401] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] fstat(3, [pid 7401] <... futex resumed>) = 0 [pid 7402] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] getdents64(3, [pid 7401] <... mmap resumed>) = 0x7fe58845a000 [pid 7401] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 ./strace-static-x86_64: Process 7403 attached [pid 7403] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7401] <... mprotect resumed>) = 0 [pid 5004] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7401] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7403] memfd_create("syzkaller", 0) = 3 [pid 7403] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7401] <... clone resumed>, parent_tid=[7404], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7404 [pid 7401] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7401] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7400] +++ exited with 0 +++ [pid 7389] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7389, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5008] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 204.755191][ T7393] overlayfs: failed to resolve './file0': -2 [ 204.758459][ T7400] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 204.783756][ T7391] overlayfs: failed to resolve './file0': -2 ./strace-static-x86_64: Process 7404 attached [pid 5008] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7404] set_robust_list(0x7fe58847a9e0, 24 [pid 5008] getdents64(3, [pid 7404] <... set_robust_list resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7404] memfd_create("syzkaller", 0 [pid 5008] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7404] <... memfd_create resumed>) = 3 [pid 7404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7404] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7403] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./136/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./136/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./136/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = 0 [pid 5004] <... openat resumed>) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./136/bus") = 0 [pid 5004] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./136/binderfs") = 0 [pid 5008] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./139/bus", [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] close(3 [pid 5008] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] rmdir("./136" [pid 5008] openat(AT_FDCWD, "./139/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] <... rmdir resumed>) = 0 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] mkdir("./137", 0777 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... mkdir resumed>) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] close(4) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5008] rmdir("./139/bus") = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5008] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] lstat("./139/binderfs", [pid 5004] close(3 [pid 7404] <... write resumed>) = 4194304 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... close resumed>) = 0 [pid 5008] unlink("./139/binderfs" [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7405 attached [pid 7404] munmap(0x7fe58005a000, 4194304 [pid 7403] <... write resumed>) = 4194304 [pid 5008] <... unlink resumed>) = 0 [pid 7405] set_robust_list(0x5555568c85e0, 24 [pid 7404] <... munmap resumed>) = 0 [pid 7403] munmap(0x7fe58005a000, 4194304 [pid 5008] getdents64(3, [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7405 [pid 7405] <... set_robust_list resumed>) = 0 [pid 7404] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7403] <... munmap resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./139" [pid 7404] <... openat resumed>) = 4 [pid 7403] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5008] <... rmdir resumed>) = 0 [pid 5008] mkdir("./140", 0777 [pid 7405] chdir("./137" [pid 7404] ioctl(4, LOOP_SET_FD, 3 [pid 7403] <... openat resumed>) = 4 [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7406 ./strace-static-x86_64: Process 7406 attached [pid 7405] <... chdir resumed>) = 0 [pid 7404] <... ioctl resumed>) = 0 [pid 7403] ioctl(4, LOOP_SET_FD, 3 [pid 7405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7404] close(3 [pid 7406] set_robust_list(0x5555568c85e0, 24 [pid 7405] <... prctl resumed>) = 0 [pid 7404] <... close resumed>) = 0 [pid 7403] <... ioctl resumed>) = 0 [pid 7406] <... set_robust_list resumed>) = 0 [pid 7403] close(3 [pid 7406] chdir("./140" [pid 7405] setpgid(0, 0 [pid 7404] mkdir("./bus", 0777 [pid 7403] <... close resumed>) = 0 [pid 7406] <... chdir resumed>) = 0 [pid 7403] mkdir("./bus", 0777 [pid 7406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7405] <... setpgid resumed>) = 0 [pid 7403] <... mkdir resumed>) = 0 [pid 7406] <... prctl resumed>) = 0 [pid 7403] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7406] setpgid(0, 0 [pid 7405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7406] <... setpgid resumed>) = 0 [pid 7404] <... mkdir resumed>) = 0 [pid 7406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7405] <... openat resumed>) = 3 [pid 7406] <... openat resumed>) = 3 [pid 7405] write(3, "1000", 4 [pid 7404] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7405] <... write resumed>) = 4 [pid 7405] close(3) = 0 [pid 7405] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7405] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7405] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7405] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7409], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7409 [pid 7405] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7405] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7406] write(3, "1000", 4) = 4 [pid 7406] close(3) = 0 [ 205.007135][ T7404] loop2: detected capacity change from 0 to 8192 [ 205.015897][ T7403] loop4: detected capacity change from 0 to 8192 [ 205.030590][ T7403] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 205.044656][ T7403] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7406] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7409 attached ) = 0 [pid 7406] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7406] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7409] set_robust_list(0x7fe58847a9e0, 24 [pid 7406] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7409] <... set_robust_list resumed>) = 0 [pid 7409] memfd_create("syzkaller", 0 [pid 7406] <... clone resumed>, parent_tid=[7410], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7410 [pid 7409] <... memfd_create resumed>) = 3 [pid 7406] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7406] <... futex resumed>) = 0 [pid 7409] <... mmap resumed>) = 0x7fe58005a000 [pid 7406] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7410 attached [pid 7410] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7410] memfd_create("syzkaller", 0) = 3 [ 205.045022][ T7404] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 205.054131][ T7403] REISERFS (device loop4): using ordered data mode [ 205.073782][ T7403] reiserfs: using flush barriers [ 205.079896][ T7404] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 205.089138][ T7403] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 205.105634][ T7403] REISERFS (device loop4): checking transaction log (loop4) [ 205.121914][ T7403] REISERFS (device loop4): Using r5 hash to sort names [ 205.129009][ T7403] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 205.140243][ T7404] REISERFS (device loop2): using ordered data mode [ 205.141844][ T7403] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7409] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7403] <... mount resumed>) = 0 [pid 7410] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7403] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7403] chdir("./bus") = 0 [pid 7403] ioctl(4, LOOP_CLR_FD) = 0 [pid 7403] close(4) = 0 [pid 7403] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7402] <... futex resumed>) = 0 [pid 7403] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7402] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7402] <... futex resumed>) = 0 [pid 7403] mkdir("./file1", 000 [pid 7402] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7403] <... mkdir resumed>) = 0 [pid 7403] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7402] <... futex resumed>) = 0 [pid 7403] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7402] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7402] <... futex resumed>) = 0 [pid 7403] mkdir("./bus", 000 [pid 7402] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7403] <... mkdir resumed>) = 0 [pid 7403] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7402] <... futex resumed>) = 0 [pid 7403] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7402] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7402] <... futex resumed>) = 0 [pid 7403] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 205.157439][ T7404] reiserfs: using flush barriers [ 205.167885][ T7404] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 205.188568][ T7404] REISERFS (device loop2): checking transaction log (loop2) [pid 7402] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7404] <... mount resumed>) = 0 [pid 7404] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7404] chdir("./bus") = 0 [pid 7404] ioctl(4, LOOP_CLR_FD) = 0 [pid 7402] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7402] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7402] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7402] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7411], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7411 [pid 7402] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7402] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7404] close(4) = 0 [pid 7404] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] <... futex resumed>) = 0 [pid 7401] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7401] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7404] <... futex resumed>) = 1 [pid 7404] mkdir("./file1", 000) = 0 [pid 7404] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7401] <... futex resumed>) = 0 [ 205.206787][ T7403] overlayfs: upper fs needs to support d_type. [ 205.207233][ T7404] REISERFS (device loop2): Using r5 hash to sort names [ 205.221955][ T7404] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 205.231891][ T7403] overlayfs: upper fs does not support tmpfile. [ 205.236516][ T7404] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 205.241827][ T7403] overlayfs: upper fs does not support RENAME_WHITEOUT. ./strace-static-x86_64: Process 7411 attached [pid 7404] mkdir("./bus", 000 [pid 7401] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] set_robust_list(0x7fe5804599e0, 24 [pid 7404] <... mkdir resumed>) = 0 [pid 7401] <... futex resumed>) = 0 [pid 7411] <... set_robust_list resumed>) = 0 [pid 7404] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7411] mkdir(".", 0777 [pid 7409] <... write resumed>) = 4194304 [pid 7404] <... futex resumed>) = 0 [pid 7401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7411] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7409] munmap(0x7fe58005a000, 4194304 [pid 7404] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7401] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7409] <... munmap resumed>) = 0 [pid 7401] <... futex resumed>) = 0 [pid 7401] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7410] <... write resumed>) = 4194304 [pid 7409] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7410] munmap(0x7fe58005a000, 4194304 [pid 7409] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7410] <... munmap resumed>) = 0 [ 205.297354][ T7404] overlayfs: upper fs needs to support d_type. [ 205.298660][ T7403] overlayfs: failed to resolve './file0': -2 [ 205.306107][ T7404] overlayfs: upper fs does not support tmpfile. [ 205.321968][ T7404] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 205.331503][ T7409] loop1: detected capacity change from 0 to 8192 [ 205.340284][ T7404] overlayfs: failed to resolve './file0': -2 [pid 7401] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7401] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7411] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7410] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7409] close(3 [pid 7401] <... mmap resumed>) = 0x7fe580439000 [pid 7411] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7411] <... futex resumed>) = 1 [pid 7410] <... openat resumed>) = 4 [pid 7409] <... close resumed>) = 0 [pid 7403] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7402] <... futex resumed>) = 0 [pid 7411] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7401] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7401] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7412], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7412 [pid 7401] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7401] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7409] mkdir("./bus", 0777 [pid 7403] <... futex resumed>) = 0 [pid 7402] exit_group(0 [pid 7410] ioctl(4, LOOP_SET_FD, 3 [pid 7409] <... mkdir resumed>) = 0 [pid 7402] <... exit_group resumed>) = ? [pid 7411] <... futex resumed>) = ? ./strace-static-x86_64: Process 7412 attached [pid 7412] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7412] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7412] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7410] <... ioctl resumed>) = 0 [pid 7409] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7403] +++ exited with 0 +++ [pid 7411] +++ exited with 0 +++ [pid 7402] +++ exited with 0 +++ [pid 7410] close(3 [pid 7404] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7402, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 7410] <... close resumed>) = 0 [pid 7404] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] mkdir("./bus", 0777 [pid 7404] <... futex resumed>) = 0 [pid 7410] <... mkdir resumed>) = 0 [pid 7404] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7410] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5007] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 205.341023][ T7411] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 205.372584][ T7410] loop5: detected capacity change from 0 to 8192 [pid 5007] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7412] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7412] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] <... futex resumed>) = 0 [pid 7401] exit_group(0 [pid 7404] <... futex resumed>) = ? [pid 7401] <... exit_group resumed>) = ? [pid 7404] +++ exited with 0 +++ [pid 7412] <... futex resumed>) = ? [pid 7412] +++ exited with 0 +++ [pid 7401] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7401, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 205.387926][ T7409] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 205.395834][ T7412] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 205.401151][ T7409] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 205.426037][ T7410] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 205.439722][ T7410] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 205.449211][ T7409] REISERFS (device loop1): using ordered data mode [ 205.455828][ T7409] reiserfs: using flush barriers [ 205.461925][ T7410] REISERFS (device loop5): using ordered data mode [ 205.468448][ T7410] reiserfs: using flush barriers [ 205.476966][ T7410] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5005] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7410] <... mount resumed>) = 0 [pid 7410] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7410] chdir("./bus") = 0 [pid 7410] ioctl(4, LOOP_CLR_FD) = 0 [pid 7410] close(4) = 0 [pid 7410] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] <... futex resumed>) = 0 [pid 7406] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7406] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7410] <... futex resumed>) = 1 [pid 7410] mkdir("./file1", 000) = 0 [pid 7410] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] <... futex resumed>) = 0 [pid 7406] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7406] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7410] <... futex resumed>) = 1 [pid 7410] mkdir("./bus", 000) = 0 [pid 7410] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] <... futex resumed>) = 0 [pid 7406] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7406] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7410] <... futex resumed>) = 1 [ 205.481232][ T7409] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 205.494986][ T7410] REISERFS (device loop5): checking transaction log (loop5) [ 205.518267][ T7410] REISERFS (device loop5): Using r5 hash to sort names [ 205.525853][ T7410] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 205.538714][ T7410] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7410] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./138/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./138/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./138/bus") = 0 [pid 5007] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./138/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./138") = 0 [pid 5007] mkdir("./139", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5005] <... umount2 resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5005] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 205.581664][ T7410] overlayfs: upper fs needs to support d_type. [ 205.589197][ T7410] overlayfs: upper fs does not support tmpfile. [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7406] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7406] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7406] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7406] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7415], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7415 [pid 7406] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7406] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] close(3./strace-static-x86_64: Process 7415 attached ) = 0 [pid 5005] lstat("./139/bus", [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7416 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./139/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7415] set_robust_list(0x7fe5804599e0, 24 [pid 5005] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7416 attached [pid 7416] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7416] chdir("./139") = 0 [pid 7416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7416] setpgid(0, 0) = 0 [pid 7416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7415] <... set_robust_list resumed>) = 0 [pid 5005] fstat(4, [pid 7416] <... openat resumed>) = 3 [pid 7416] write(3, "1000", 4) = 4 [pid 7416] close(3) = 0 [pid 7416] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7416] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] mkdir(".", 0777 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7415] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5005] getdents64(4, [pid 7415] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./139/bus" [pid 7416] <... futex resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5005] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7416] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7416] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7417], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7417 [pid 7416] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7416] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7417 attached [pid 7417] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7417] memfd_create("syzkaller", 0) = 3 [pid 7417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./139/binderfs") = 0 [ 205.625700][ T7409] REISERFS (device loop1): checking transaction log (loop1) [ 205.636641][ T7410] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 205.646591][ T7409] REISERFS (device loop1): Using r5 hash to sort names [ 205.662981][ T7409] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 7415] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5005] rmdir("./139" [pid 7417] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5005] <... rmdir resumed>) = 0 [pid 7415] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] mkdir("./140", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7415] <... futex resumed>) = 1 [pid 7415] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7410] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7406] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 7409] <... mount resumed>) = 0 [pid 7410] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 7410] <... futex resumed>) = 0 [pid 7410] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7409] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7409] <... openat resumed>) = 3 [pid 7406] exit_group(0 [pid 7409] chdir("./bus" [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7418 [pid 7409] <... chdir resumed>) = 0 [pid 7409] ioctl(4, LOOP_CLR_FD [pid 7415] <... futex resumed>) = ? [pid 7410] <... futex resumed>) = ? [pid 7409] <... ioctl resumed>) = 0 [pid 7406] <... exit_group resumed>) = ? [pid 7415] +++ exited with 0 +++ [pid 7410] +++ exited with 0 +++ [pid 7409] close(4 [pid 7406] +++ exited with 0 +++ [pid 7409] <... close resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7406, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 7409] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7405] <... futex resumed>) = 0 [pid 7409] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7405] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7405] <... futex resumed>) = 0 [pid 7409] mkdir("./file1", 000 [pid 7405] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7409] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7409] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 3 [pid 7409] <... futex resumed>) = 1 [pid 7405] <... futex resumed>) = 0 [pid 5008] fstat(3, [pid 7409] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7405] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7405] <... futex resumed>) = 0 [pid 7409] mkdir("./bus", 000 [pid 7405] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7409] <... mkdir resumed>) = 0 [pid 5008] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7409] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7405] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7418 attached [pid 7409] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7405] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] set_robust_list(0x5555568c85e0, 24 [pid 7409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7405] <... futex resumed>) = 0 [pid 7418] <... set_robust_list resumed>) = 0 [pid 7409] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7405] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 205.680336][ T7415] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 205.695638][ T7410] overlayfs: failed to resolve './file0': -2 [ 205.702835][ T7409] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7418] chdir("./140") = 0 [pid 7418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7418] setpgid(0, 0) = 0 [pid 7418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7418] write(3, "1000", 4) = 4 [pid 7418] close(3) = 0 [pid 7417] <... write resumed>) = 4194304 [pid 7418] symlink("/dev/binderfs", "./binderfs" [pid 7417] munmap(0x7fe58005a000, 4194304 [pid 7418] <... symlink resumed>) = 0 [pid 7418] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7418] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7418] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7419], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7419 [pid 7418] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7418] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7419 attached [pid 7419] set_robust_list(0x7fe58847a9e0, 24 [pid 7417] <... munmap resumed>) = 0 [pid 7419] <... set_robust_list resumed>) = 0 [pid 7419] memfd_create("syzkaller", 0) = 3 [pid 7419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7417] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 205.756182][ T7409] overlayfs: upper fs needs to support d_type. [ 205.774745][ T7409] overlayfs: upper fs does not support tmpfile. [ 205.786988][ T7417] loop4: detected capacity change from 0 to 8192 [pid 7417] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7405] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7417] close(3 [pid 7405] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... close resumed>) = 0 [pid 7405] <... futex resumed>) = 0 [pid 7417] mkdir("./bus", 0777 [pid 7405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7417] <... mkdir resumed>) = 0 [pid 7405] <... mmap resumed>) = 0x7fe580439000 [pid 7417] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7405] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7405] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7420], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7420 [pid 7405] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7405] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7420 attached [pid 7420] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7420] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7420] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... umount2 resumed>) = 0 [pid 7420] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7409] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7420] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7420] <... futex resumed>) = 1 [pid 7409] <... futex resumed>) = 0 [pid 7405] <... futex resumed>) = 0 [pid 5008] lstat("./140/bus", [pid 7420] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7409] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7405] exit_group(0 [pid 7420] <... futex resumed>) = ? [pid 7409] <... futex resumed>) = ? [ 205.802239][ T7409] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 205.821437][ T7409] overlayfs: failed to resolve './file0': -2 [ 205.835720][ T7420] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7405] <... exit_group resumed>) = ? [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7420] +++ exited with 0 +++ [pid 7409] +++ exited with 0 +++ [pid 7405] +++ exited with 0 +++ [pid 7419] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7405, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./140/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, [pid 5004] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(4, [pid 5004] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... openat resumed>) = 3 [pid 5004] fstat(3, [pid 5008] getdents64(4, [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] getdents64(3, [pid 5008] close(4 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./140/bus") = 0 [pid 5008] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./140/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./140") = 0 [pid 5008] mkdir("./141", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 205.861947][ T7417] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 205.875767][ T7417] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7422 ./strace-static-x86_64: Process 7422 attached [pid 7422] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7422] chdir("./141") = 0 [pid 7422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7422] setpgid(0, 0) = 0 [pid 7422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7422] write(3, "1000", 4) = 4 [pid 7422] close(3) = 0 [pid 7422] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7422] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7422] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7422] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7423], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7423 [pid 7422] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7422] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7423 attached [pid 7423] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7419] <... write resumed>) = 4194304 [pid 7419] munmap(0x7fe58005a000, 4194304 [pid 7423] memfd_create("syzkaller", 0 [pid 7419] <... munmap resumed>) = 0 [pid 7423] <... memfd_create resumed>) = 3 [pid 7423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7419] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 205.912542][ T7417] REISERFS (device loop4): using ordered data mode [ 205.919835][ T7417] reiserfs: using flush barriers [ 205.926267][ T7417] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7419] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7419] close(3) = 0 [pid 7419] mkdir("./bus", 0777) = 0 [pid 7419] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./137/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./137/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./137/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./137/bus") = 0 [pid 5004] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./137/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./137") = 0 [pid 5004] mkdir("./138", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7425 ./strace-static-x86_64: Process 7425 attached [pid 7425] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7425] chdir("./138") = 0 [pid 7425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7425] setpgid(0, 0) = 0 [pid 7425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7425] write(3, "1000", 4) = 4 [pid 7425] close(3) = 0 [ 205.961092][ T7419] loop2: detected capacity change from 0 to 8192 [ 205.972143][ T7417] REISERFS (device loop4): checking transaction log (loop4) [ 205.983193][ T7419] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 205.991903][ T7417] REISERFS (device loop4): Using r5 hash to sort names [ 205.998936][ T7419] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7425] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7423] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7425] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7425] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7425] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7426], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7426 [pid 7425] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7425] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7426 attached [pid 7426] set_robust_list(0x7fe58847a9e0, 24 [pid 7417] <... mount resumed>) = 0 [pid 7417] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7417] chdir("./bus") = 0 [pid 7417] ioctl(4, LOOP_CLR_FD) = 0 [pid 7417] close(4 [pid 7426] <... set_robust_list resumed>) = 0 [pid 7426] memfd_create("syzkaller", 0) = 3 [pid 7426] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7423] <... write resumed>) = 4194304 [pid 7417] <... close resumed>) = 0 [pid 7423] munmap(0x7fe58005a000, 4194304 [pid 7417] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... munmap resumed>) = 0 [pid 7417] <... futex resumed>) = 1 [pid 7416] <... futex resumed>) = 0 [pid 7423] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7417] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7416] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... openat resumed>) = 4 [pid 7417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7416] <... futex resumed>) = 0 [ 206.027350][ T7417] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 206.036570][ T7419] REISERFS (device loop2): using ordered data mode [ 206.043939][ T7417] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 206.056089][ T7419] reiserfs: using flush barriers [pid 7426] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7423] ioctl(4, LOOP_SET_FD, 3 [pid 7417] mkdir("./file1", 000 [pid 7416] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7417] <... mkdir resumed>) = 0 [pid 7423] <... ioctl resumed>) = 0 [pid 7417] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] close(3 [pid 7417] <... futex resumed>) = 1 [pid 7423] <... close resumed>) = 0 [pid 7417] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7423] mkdir("./bus", 0777 [pid 7416] <... futex resumed>) = 0 [pid 7423] <... mkdir resumed>) = 0 [pid 7423] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7416] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... futex resumed>) = 0 [pid 7416] <... futex resumed>) = 1 [pid 7417] mkdir("./bus", 000 [pid 7416] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7417] <... mkdir resumed>) = 0 [pid 7417] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7416] <... futex resumed>) = 0 [ 206.100343][ T7419] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 206.129011][ T7423] loop5: detected capacity change from 0 to 8192 [ 206.131392][ T7419] REISERFS (device loop2): checking transaction log (loop2) [pid 7417] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7416] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7416] <... futex resumed>) = 0 [pid 7417] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7416] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7426] <... write resumed>) = 4194304 [pid 7426] munmap(0x7fe58005a000, 4194304) = 0 [pid 7426] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 206.149062][ T7423] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 206.154137][ T7417] overlayfs: upper fs needs to support d_type. [ 206.162160][ T7423] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 206.177806][ T7423] REISERFS (device loop5): using ordered data mode [ 206.181442][ T7426] loop1: detected capacity change from 0 to 8192 [ 206.184374][ T7423] reiserfs: using flush barriers [pid 7426] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7416] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7416] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7416] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7416] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7428], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7428 [pid 7416] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7416] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7426] close(3./strace-static-x86_64: Process 7428 attached [pid 7428] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7428] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7428] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7426] <... close resumed>) = 0 [pid 7426] mkdir("./bus", 0777) = 0 [ 206.196813][ T7417] overlayfs: upper fs does not support tmpfile. [ 206.197383][ T7423] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 206.205259][ T7417] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 206.220246][ T7419] REISERFS (device loop2): Using r5 hash to sort names [ 206.233638][ T7419] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7426] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7419] <... mount resumed>) = 0 [ 206.246498][ T7419] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 206.252574][ T7428] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 206.256303][ T7423] REISERFS (device loop5): checking transaction log (loop5) [ 206.271015][ T7426] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 206.279135][ T7417] overlayfs: failed to resolve './file0': -2 [pid 7428] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7419] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7428] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... openat resumed>) = 3 [pid 7428] <... futex resumed>) = 1 [pid 7419] chdir("./bus") = 0 [pid 7417] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7416] <... futex resumed>) = 0 [pid 7428] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7419] ioctl(4, LOOP_CLR_FD [pid 7417] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... ioctl resumed>) = 0 [pid 7417] <... futex resumed>) = 0 [pid 7419] close(4 [pid 7417] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7419] <... close resumed>) = 0 [pid 7416] exit_group(0 [pid 7428] <... futex resumed>) = ? [pid 7417] <... futex resumed>) = ? [pid 7428] +++ exited with 0 +++ [pid 7417] +++ exited with 0 +++ [pid 7416] <... exit_group resumed>) = ? [pid 7419] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] +++ exited with 0 +++ [pid 7419] <... futex resumed>) = 1 [pid 7418] <... futex resumed>) = 0 [pid 7419] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7418] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7416, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7418] <... futex resumed>) = 0 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 7419] mkdir("./file1", 000 [pid 7418] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... restart_syscall resumed>) = 0 [pid 5007] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 206.293299][ T7423] REISERFS (device loop5): Using r5 hash to sort names [ 206.297222][ T7426] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 206.313423][ T7426] REISERFS (device loop1): using ordered data mode [ 206.320300][ T7426] reiserfs: using flush barriers [ 206.335569][ T7426] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5007] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7419] <... mkdir resumed>) = 0 [pid 7419] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7418] <... futex resumed>) = 0 [pid 7419] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7418] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7418] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7419] mkdir("./bus", 000) = 0 [pid 7419] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7418] <... futex resumed>) = 0 [pid 7419] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7418] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7418] <... futex resumed>) = 0 [ 206.355406][ T7426] REISERFS (device loop1): checking transaction log (loop1) [ 206.363409][ T7423] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 206.377073][ T7423] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 206.387405][ T7426] REISERFS (device loop1): Using r5 hash to sort names [pid 7419] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7418] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7426] <... mount resumed>) = 0 [pid 7423] <... mount resumed>) = 0 [pid 7426] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7423] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7423] chdir("./bus") = 0 [pid 7423] ioctl(4, LOOP_CLR_FD) = 0 [pid 7423] close(4 [pid 7426] <... openat resumed>) = 3 [pid 7426] chdir("./bus") = 0 [pid 7426] ioctl(4, LOOP_CLR_FD) = 0 [pid 7423] <... close resumed>) = 0 [pid 7423] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7423] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7426] close(4 [pid 7422] <... futex resumed>) = 0 [pid 7426] <... close resumed>) = 0 [pid 7422] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7426] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... futex resumed>) = 0 [pid 7422] <... futex resumed>) = 1 [pid 7419] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] <... futex resumed>) = 1 [pid 7425] <... futex resumed>) = 0 [pid 7423] mkdir("./file1", 000 [pid 7422] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] <... futex resumed>) = 1 [pid 7418] <... futex resumed>) = 0 [pid 7426] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7425] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... mkdir resumed>) = 0 [pid 7419] mkdir(".", 0777 [pid 7418] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7425] <... futex resumed>) = 0 [pid 7423] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7418] <... futex resumed>) = 0 [pid 7426] mkdir("./file1", 000 [pid 7425] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7423] <... futex resumed>) = 1 [pid 7422] <... futex resumed>) = 0 [pid 7419] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7418] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7426] <... mkdir resumed>) = 0 [pid 7423] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7422] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7422] <... futex resumed>) = 0 [ 206.394605][ T7426] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 206.399400][ T7419] overlayfs: upper fs needs to support d_type. [ 206.407368][ T7426] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 206.430152][ T7419] overlayfs: upper fs does not support tmpfile. [ 206.437203][ T7419] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 206.445746][ T7419] overlayfs: failed to resolve './file0': -2 [pid 7426] <... futex resumed>) = 1 [pid 7425] <... futex resumed>) = 0 [pid 7423] mkdir("./bus", 000 [pid 7422] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7423] <... mkdir resumed>) = 0 [pid 7423] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7422] <... futex resumed>) = 0 [pid 7423] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7422] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7422] <... futex resumed>) = 0 [pid 7423] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7422] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7426] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7425] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7425] <... futex resumed>) = 0 [pid 7426] mkdir("./bus", 000 [pid 7419] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = 0 [pid 7425] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7426] <... mkdir resumed>) = 0 [pid 7419] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7426] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... futex resumed>) = 1 [pid 7418] <... futex resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7426] <... futex resumed>) = 1 [pid 7425] <... futex resumed>) = 0 [pid 7419] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7418] exit_group(0 [pid 5007] lstat("./139/bus", [pid 7426] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7425] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... futex resumed>) = ? [pid 7418] <... exit_group resumed>) = ? [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7425] <... futex resumed>) = 0 [pid 7419] +++ exited with 0 +++ [pid 7418] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7418, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 206.485361][ T7419] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 206.499368][ T7423] overlayfs: upper fs needs to support d_type. [ 206.517496][ T7423] overlayfs: upper fs does not support tmpfile. [pid 5005] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7426] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7425] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] openat(AT_FDCWD, "./139/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7422] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7422] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5007] <... openat resumed>) = 4 [pid 7422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7422] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5007] fstat(4, [pid 7422] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7422] <... clone resumed>, parent_tid=[7430], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7430 [pid 5007] getdents64(4, ./strace-static-x86_64: Process 7430 attached [pid 7423] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7422] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7430] set_robust_list(0x7fe5804599e0, 24 [pid 7423] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7422] <... futex resumed>) = 0 [pid 5007] getdents64(4, [pid 7430] <... set_robust_list resumed>) = 0 [pid 7423] <... futex resumed>) = 0 [pid 7422] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7430] mkdir(".", 0777 [pid 7423] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7430] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5007] close(4 [pid 7425] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7430] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7425] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... close resumed>) = 0 [pid 7425] <... futex resumed>) = 0 [pid 5007] rmdir("./139/bus") = 0 [pid 7425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 5007] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7425] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7425] <... mprotect resumed>) = 0 [pid 5007] lstat("./139/binderfs", [pid 7425] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./139/binderfs" [pid 7426] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7425] <... clone resumed>, parent_tid=[7431], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7431 [pid 7426] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... unlink resumed>) = 0 [ 206.529626][ T7423] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 206.539247][ T7426] overlayfs: upper fs needs to support d_type. [ 206.545966][ T7423] overlayfs: failed to resolve './file0': -2 [ 206.552350][ T7426] overlayfs: upper fs does not support tmpfile. [ 206.566519][ T7426] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 206.575890][ T7426] overlayfs: failed to resolve './file0': -2 ./strace-static-x86_64: Process 7431 attached [pid 7431] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7431] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7425] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7431] <... futex resumed>) = 0 [pid 7426] <... futex resumed>) = 0 [pid 7425] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] getdents64(3, [pid 7426] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7431] mkdir(".", 0777 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3 [pid 7431] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5007] <... close resumed>) = 0 [pid 5007] rmdir("./139" [pid 7431] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5007] <... rmdir resumed>) = 0 [pid 5007] mkdir("./140", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [ 206.596079][ T7430] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7430] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7430] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7431] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7425] <... futex resumed>) = 0 [pid 7425] exit_group(0) = ? [pid 7426] <... futex resumed>) = ? [pid 7430] <... futex resumed>) = 1 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7432 [pid 7426] +++ exited with 0 +++ [pid 7430] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7422] <... futex resumed>) = 0 [pid 7422] exit_group(0 [pid 7430] <... futex resumed>) = ? [pid 7423] <... futex resumed>) = ? [pid 7422] <... exit_group resumed>) = ? [pid 7430] +++ exited with 0 +++ [pid 7423] +++ exited with 0 +++ [pid 7422] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7422, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 7432 attached [pid 7431] <... futex resumed>) = ? [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7432] set_robust_list(0x5555568c85e0, 24 [pid 7431] +++ exited with 0 +++ [pid 7425] +++ exited with 0 +++ [pid 5008] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] lstat("./140/bus", [pid 7432] <... set_robust_list resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7425, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5008] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./140/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 4 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(4, [pid 5004] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5005] getdents64(4, [pid 5004] fstat(3, [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, [pid 5004] getdents64(3, [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] close(4 [pid 5004] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7432] chdir("./140") = 0 [pid 7432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7432] setpgid(0, 0) = 0 [pid 7432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] <... close resumed>) = 0 [pid 7432] write(3, "1000", 4) = 4 [pid 5005] rmdir("./140/bus" [pid 7432] close(3) = 0 [pid 7432] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 7432] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 206.634996][ T7431] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7432] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] lstat("./140/binderfs", [pid 7432] <... mprotect resumed>) = 0 [pid 7432] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7432] <... clone resumed>, parent_tid=[7433], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7433 [pid 5005] unlink("./140/binderfs" [pid 7432] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... unlink resumed>) = 0 [pid 7432] <... futex resumed>) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7432] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] close(3) = 0 [pid 5005] rmdir("./140") = 0 [pid 5005] mkdir("./141", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7434 ./strace-static-x86_64: Process 7434 attached [pid 7434] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7434] chdir("./141") = 0 [pid 7434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7434] setpgid(0, 0) = 0 [pid 7434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7434] write(3, "1000", 4) = 4 [pid 7434] close(3) = 0 [pid 7434] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7434] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7434] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7434] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7435], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7435 [pid 7434] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7434] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7435 attached [pid 7435] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7435] memfd_create("syzkaller", 0) = 3 [pid 7435] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 7433 attached [pid 7433] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7433] memfd_create("syzkaller", 0) = 3 [pid 7433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7435] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./141/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5008] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./141/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] lstat("./138/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... openat resumed>) = 4 [pid 5004] umount2("./138/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] fstat(4, [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] openat(AT_FDCWD, "./138/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] getdents64(4, [pid 5008] close(4 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] <... close resumed>) = 0 [pid 5004] getdents64(4, [pid 5008] rmdir("./141/bus" [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4 [pid 5008] <... rmdir resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5008] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] rmdir("./138/bus" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./141/binderfs", [pid 5004] <... rmdir resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./141/binderfs" [pid 5004] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... unlink resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(3, [pid 5004] lstat("./138/binderfs", [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... close resumed>) = 0 [pid 5004] unlink("./138/binderfs" [pid 5008] rmdir("./141" [pid 5004] <... unlink resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5004] getdents64(3, [pid 5008] mkdir("./142", 0777 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5004] rmdir("./138" [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] <... rmdir resumed>) = 0 [pid 5004] mkdir("./139", 0777 [pid 5008] <... openat resumed>) = 3 [pid 5004] <... mkdir resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 5004] <... openat resumed>) = 3 [pid 7433] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... close resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7436 [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7436 attached [pid 7436] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7437 [pid 7436] chdir("./142"./strace-static-x86_64: Process 7437 attached ) = 0 [pid 7437] set_robust_list(0x5555568c85e0, 24 [pid 7436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7437] <... set_robust_list resumed>) = 0 [pid 7436] <... prctl resumed>) = 0 [pid 7437] chdir("./139" [pid 7436] setpgid(0, 0 [pid 7437] <... chdir resumed>) = 0 [pid 7436] <... setpgid resumed>) = 0 [pid 7437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7437] <... prctl resumed>) = 0 [pid 7436] <... openat resumed>) = 3 [pid 7437] setpgid(0, 0 [pid 7436] write(3, "1000", 4 [pid 7437] <... setpgid resumed>) = 0 [pid 7436] <... write resumed>) = 4 [pid 7437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7436] close(3 [pid 7437] <... openat resumed>) = 3 [pid 7436] <... close resumed>) = 0 [pid 7437] write(3, "1000", 4 [pid 7436] symlink("/dev/binderfs", "./binderfs" [pid 7437] <... write resumed>) = 4 [pid 7436] <... symlink resumed>) = 0 [pid 7437] close(3 [pid 7436] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] <... close resumed>) = 0 [pid 7436] <... futex resumed>) = 0 [pid 7437] symlink("/dev/binderfs", "./binderfs" [pid 7436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7437] <... symlink resumed>) = 0 [pid 7436] <... mmap resumed>) = 0x7fe58845a000 [pid 7437] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7437] <... futex resumed>) = 0 [pid 7436] <... mprotect resumed>) = 0 [pid 7437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7436] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7437] <... mmap resumed>) = 0x7fe58845a000 [pid 7437] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7436] <... clone resumed>, parent_tid=[7438], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7438 [pid 7437] <... mprotect resumed>) = 0 [pid 7436] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7436] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7438 attached [pid 7436] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7438] set_robust_list(0x7fe58847a9e0, 24 [pid 7437] <... clone resumed>, parent_tid=[7439], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7439 [pid 7438] <... set_robust_list resumed>) = 0 [pid 7437] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7435] <... write resumed>) = 4194304 [pid 7438] memfd_create("syzkaller", 0 [pid 7437] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7435] munmap(0x7fe58005a000, 4194304 [pid 7438] <... memfd_create resumed>) = 3 [pid 7438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 7439 attached [pid 7439] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7439] memfd_create("syzkaller", 0) = 3 [pid 7439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7435] <... munmap resumed>) = 0 [pid 7435] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7435] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7435] close(3) = 0 [pid 7435] mkdir("./bus", 0777) = 0 [pid 7435] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7433] <... write resumed>) = 4194304 [pid 7433] munmap(0x7fe58005a000, 4194304 [pid 7439] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7433] <... munmap resumed>) = 0 [pid 7433] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 206.912305][ T7435] loop2: detected capacity change from 0 to 8192 [ 206.944193][ T7435] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7433] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7433] close(3) = 0 [pid 7433] mkdir("./bus", 0777) = 0 [ 206.961624][ T7433] loop4: detected capacity change from 0 to 8192 [ 206.961786][ T7435] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 206.978050][ T7435] REISERFS (device loop2): using ordered data mode [ 206.984686][ T7435] reiserfs: using flush barriers [ 206.990915][ T7435] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7433] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 207.008725][ T7435] REISERFS (device loop2): checking transaction log (loop2) [ 207.017775][ T7435] REISERFS (device loop2): Using r5 hash to sort names [ 207.025231][ T7433] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 207.025373][ T7435] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 207.038249][ T7433] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7438] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7435] <... mount resumed>) = 0 [pid 7439] <... write resumed>) = 4194304 [ 207.038333][ T7433] REISERFS (device loop4): using ordered data mode [ 207.066567][ T7433] reiserfs: using flush barriers [ 207.072696][ T7433] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 207.088863][ T7435] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 207.100180][ T7433] REISERFS (device loop4): checking transaction log (loop4) [pid 7435] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7439] munmap(0x7fe58005a000, 4194304 [pid 7435] <... openat resumed>) = 3 [pid 7435] chdir("./bus") = 0 [pid 7435] ioctl(4, LOOP_CLR_FD) = 0 [pid 7439] <... munmap resumed>) = 0 [pid 7435] close(4 [pid 7439] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7435] <... close resumed>) = 0 [pid 7439] <... openat resumed>) = 4 [pid 7438] <... write resumed>) = 4194304 [pid 7435] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] ioctl(4, LOOP_SET_FD, 3 [pid 7438] munmap(0x7fe58005a000, 4194304 [pid 7435] <... futex resumed>) = 1 [pid 7434] <... futex resumed>) = 0 [pid 7434] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7434] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7439] <... ioctl resumed>) = 0 [pid 7438] <... munmap resumed>) = 0 [pid 7435] mkdir("./file1", 000 [pid 7438] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7435] <... mkdir resumed>) = 0 [pid 7438] <... openat resumed>) = 4 [pid 7435] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] ioctl(4, LOOP_SET_FD, 3 [pid 7435] <... futex resumed>) = 1 [pid 7439] close(3 [pid 7435] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7434] <... futex resumed>) = 0 [pid 7433] <... mount resumed>) = 0 [pid 7435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7434] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] mkdir("./bus", 000 [pid 7434] <... futex resumed>) = 0 [ 207.110330][ T7433] REISERFS (device loop4): Using r5 hash to sort names [ 207.131474][ T7433] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 207.144729][ T7439] loop1: detected capacity change from 0 to 8192 [ 207.148249][ T7433] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7435] <... mkdir resumed>) = 0 [pid 7434] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7435] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7434] <... futex resumed>) = 0 [pid 7435] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7434] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] <... close resumed>) = 0 [pid 7438] <... ioctl resumed>) = 0 [pid 7434] <... futex resumed>) = 0 [pid 7433] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7439] mkdir("./bus", 0777 [pid 7434] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7439] <... mkdir resumed>) = 0 [pid 7439] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7438] close(3) = 0 [pid 7433] <... openat resumed>) = 3 [pid 7438] mkdir("./bus", 0777) = 0 [pid 7433] chdir("./bus") = 0 [pid 7433] ioctl(4, LOOP_CLR_FD) = 0 [pid 7433] close(4) = 0 [pid 7433] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] <... futex resumed>) = 0 [pid 7432] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7432] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7433] <... futex resumed>) = 1 [pid 7433] mkdir("./file1", 000) = 0 [pid 7433] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] <... futex resumed>) = 0 [pid 7432] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7432] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7433] <... futex resumed>) = 1 [pid 7433] mkdir("./bus", 000) = 0 [pid 7433] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] <... futex resumed>) = 0 [pid 7432] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7432] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7433] <... futex resumed>) = 1 [pid 7433] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 207.156730][ T7438] loop5: detected capacity change from 0 to 8192 [ 207.168466][ T7435] overlayfs: upper fs needs to support d_type. [ 207.184651][ T7435] overlayfs: upper fs does not support tmpfile. [ 207.192080][ T7433] overlayfs: upper fs needs to support d_type. [ 207.198963][ T7439] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7438] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7434] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7432] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7434] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] <... futex resumed>) = 0 [pid 7432] <... futex resumed>) = 0 [pid 7434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7434] <... mmap resumed>) = 0x7fe580439000 [pid 7432] <... mmap resumed>) = 0x7fe580439000 [pid 7434] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7432] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7434] <... mprotect resumed>) = 0 [pid 7432] <... mprotect resumed>) = 0 [pid 7434] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7432] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7434] <... clone resumed>, parent_tid=[7444], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7444 [pid 7432] <... clone resumed>, parent_tid=[7445], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7445 [pid 7434] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] <... futex resumed>) = 0 [pid 7432] <... futex resumed>) = 0 [pid 7434] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 207.199072][ T7438] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 207.212160][ T7433] overlayfs: upper fs does not support tmpfile. [ 207.225796][ T7438] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 207.240736][ T7438] REISERFS (device loop5): using ordered data mode [ 207.248833][ T7438] reiserfs: using flush barriers [ 207.250181][ T7435] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7432] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7444 attached ./strace-static-x86_64: Process 7445 attached [pid 7444] set_robust_list(0x7fe5804599e0, 24 [pid 7445] set_robust_list(0x7fe5804599e0, 24 [pid 7444] <... set_robust_list resumed>) = 0 [pid 7444] mkdir(".", 0777 [pid 7445] <... set_robust_list resumed>) = 0 [pid 7445] mkdir(".", 0777 [pid 7444] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7445] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7444] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 207.254939][ T7439] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 207.270063][ T7438] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 207.287207][ T7439] REISERFS (device loop1): using ordered data mode [ 207.294345][ T7439] reiserfs: using flush barriers [ 207.300840][ T7439] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 207.305567][ T7438] REISERFS (device loop5): checking transaction log (loop5) [ 207.317323][ T7439] REISERFS (device loop1): checking transaction log (loop1) [ 207.326478][ T7433] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 207.333169][ T7435] overlayfs: failed to resolve './file0': -2 [ 207.341347][ T7445] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7445] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7435] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7435] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 207.345950][ T7439] REISERFS (device loop1): Using r5 hash to sort names [ 207.360440][ T7444] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 207.367139][ T7439] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 207.394635][ T7439] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 207.405728][ T7438] REISERFS (device loop5): Using r5 hash to sort names [pid 7435] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7439] <... mount resumed>) = 0 [pid 7445] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7445] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] <... futex resumed>) = 0 [pid 7445] <... futex resumed>) = 1 [pid 7445] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7444] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7444] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] <... futex resumed>) = 0 [pid 7434] exit_group(0) = ? [pid 7444] <... futex resumed>) = ? [pid 7444] +++ exited with 0 +++ [pid 7439] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7439] chdir("./bus") = 0 [pid 7439] ioctl(4, LOOP_CLR_FD) = 0 [pid 7439] close(4) = 0 [pid 7435] <... futex resumed>) = ? [pid 7439] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7439] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7437] <... futex resumed>) = 0 [pid 7435] +++ exited with 0 +++ [pid 7434] +++ exited with 0 +++ [pid 7438] <... mount resumed>) = 0 [pid 7437] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7434, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7433] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7438] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7438] chdir("./bus") = 0 [pid 7438] ioctl(4, LOOP_CLR_FD) = 0 [pid 7438] close(4) = 0 [pid 7438] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7438] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7439] <... futex resumed>) = 0 [pid 7437] <... futex resumed>) = 1 [pid 7439] mkdir("./file1", 000 [pid 7437] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7439] <... mkdir resumed>) = 0 [pid 7439] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7437] <... futex resumed>) = 0 [pid 7439] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7437] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7437] <... futex resumed>) = 0 [pid 7439] mkdir("./bus", 000 [pid 7437] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7439] <... mkdir resumed>) = 0 [pid 7439] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7437] <... futex resumed>) = 0 [pid 7439] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7437] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7437] <... futex resumed>) = 0 [pid 7436] <... futex resumed>) = 0 [ 207.406901][ T7433] overlayfs: failed to resolve './file0': -2 [ 207.413405][ T7438] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 207.434916][ T7438] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 207.453765][ T7439] overlayfs: upper fs needs to support d_type. [pid 7439] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7437] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7436] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7436] <... futex resumed>) = 1 [pid 7432] exit_group(0 [pid 7438] <... futex resumed>) = 0 [pid 7445] <... futex resumed>) = ? [pid 7438] mkdir("./file1", 000 [pid 7436] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7432] <... exit_group resumed>) = ? [pid 7445] +++ exited with 0 +++ [pid 7438] <... mkdir resumed>) = 0 [pid 7433] +++ exited with 0 +++ [pid 5005] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7438] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] +++ exited with 0 +++ [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7438] <... futex resumed>) = 1 [pid 7436] <... futex resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7432, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=18 /* 0.18 s */} --- [pid 5005] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5005] <... openat resumed>) = 3 [pid 5007] <... restart_syscall resumed>) = 0 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, [pid 5007] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7438] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7436] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7436] <... futex resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7438] mkdir("./bus", 000 [pid 7436] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... openat resumed>) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7438] <... mkdir resumed>) = 0 [pid 7438] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7436] <... futex resumed>) = 0 [pid 7438] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7436] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7436] <... futex resumed>) = 0 [ 207.459974][ T7439] overlayfs: upper fs does not support tmpfile. [ 207.481738][ T7439] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 207.496053][ T7439] overlayfs: failed to resolve './file0': -2 [pid 7438] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7436] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7437] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7437] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7437] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7437] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7446], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7446 [pid 7437] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7437] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7446 attached [pid 7446] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7446] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7446] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7439] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7439] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7436] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7439] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7436] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 207.515994][ T7438] overlayfs: upper fs needs to support d_type. [ 207.529297][ T7438] overlayfs: upper fs does not support tmpfile. [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7436] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7436] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7447], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7447 [pid 7436] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7436] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] lstat("./141/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./141/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./141/bus") = 0 ./strace-static-x86_64: Process 7447 attached [pid 7447] set_robust_list(0x7fe5804599e0, 24 [pid 5005] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7447] <... set_robust_list resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7447] mkdir(".", 0777 [pid 5005] lstat("./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 207.574923][ T7446] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 207.594708][ T7438] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7447] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7447] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5005] unlink("./141/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./141") = 0 [pid 5005] mkdir("./142", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 7446] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7438] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5007] <... umount2 resumed>) = 0 [pid 7446] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7446] <... futex resumed>) = 1 [pid 7438] <... futex resumed>) = 0 [pid 7437] <... futex resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7446] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7438] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7437] exit_group(0 [pid 5007] lstat("./140/bus", [pid 7446] <... futex resumed>) = ? [pid 7439] <... futex resumed>) = ? [pid 7437] <... exit_group resumed>) = ? [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7446] +++ exited with 0 +++ [pid 7439] +++ exited with 0 +++ [pid 7437] +++ exited with 0 +++ [pid 5007] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./140/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./140/bus") = 0 [pid 5007] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./140/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./140") = 0 [pid 5007] mkdir("./141", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7448 ./strace-static-x86_64: Process 7448 attached [pid 7448] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7448] chdir("./141") = 0 [pid 7448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7448] setpgid(0, 0) = 0 [pid 7448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7448] write(3, "1000", 4) = 4 [pid 7448] close(3) = 0 [pid 7448] symlink("/dev/binderfs", "./binderfs" [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7437, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7448] <... symlink resumed>) = 0 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, [pid 7448] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7448] <... mmap resumed>) = 0x7fe58845a000 [pid 5004] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7448] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7448] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7449], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7449 [pid 7448] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7448] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7449 attached [pid 7449] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7449] memfd_create("syzkaller", 0) = 3 [pid 7449] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 7450 attached [pid 7450] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7450] chdir("./142" [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7450 [pid 7450] <... chdir resumed>) = 0 [pid 7450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7450] setpgid(0, 0) = 0 [pid 7450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7450] write(3, "1000", 4) = 4 [pid 7450] close(3) = 0 [pid 7450] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7450] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7450] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7450] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7451], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7451 [pid 7450] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7450] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7451 attached [pid 7451] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7451] memfd_create("syzkaller", 0) = 3 [ 207.622457][ T7438] overlayfs: failed to resolve './file0': -2 [ 207.644862][ T7447] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7447] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7447] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... futex resumed>) = 0 [pid 7436] exit_group(0 [pid 7438] <... futex resumed>) = ? [pid 7436] <... exit_group resumed>) = ? [pid 7438] +++ exited with 0 +++ [pid 7447] <... futex resumed>) = ? [pid 7447] +++ exited with 0 +++ [pid 7436] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7436, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=21 /* 0.21 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7449] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./139/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./139/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./139/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./139/bus") = 0 [pid 5004] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./139/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7451] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] close(3) = 0 [pid 5004] rmdir("./139") = 0 [pid 5004] mkdir("./140", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7452 ./strace-static-x86_64: Process 7452 attached [pid 7452] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7452] chdir("./140") = 0 [pid 7452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... umount2 resumed>) = 0 [pid 7452] <... prctl resumed>) = 0 [pid 7452] setpgid(0, 0) = 0 [pid 7452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5008] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7452] write(3, "1000", 4) = 4 [pid 7452] close(3) = 0 [pid 7452] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7452] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7452] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7452] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./142/bus", ./strace-static-x86_64: Process 7453 attached [pid 7452] <... clone resumed>, parent_tid=[7453], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7453 [pid 7449] <... write resumed>) = 4194304 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7453] set_robust_list(0x7fe58847a9e0, 24 [pid 7452] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] munmap(0x7fe58005a000, 4194304 [pid 5008] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7453] <... set_robust_list resumed>) = 0 [pid 7452] <... futex resumed>) = 0 [pid 7449] <... munmap resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7453] memfd_create("syzkaller", 0 [pid 7452] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7449] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5008] openat(AT_FDCWD, "./142/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7451] <... write resumed>) = 4194304 [pid 7451] munmap(0x7fe58005a000, 4194304 [pid 5008] <... openat resumed>) = 4 [pid 7449] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 7453] <... memfd_create resumed>) = 3 [pid 7451] <... munmap resumed>) = 0 [pid 7449] ioctl(4, LOOP_SET_FD, 3 [pid 7453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7453] <... mmap resumed>) = 0x7fe58005a000 [pid 7451] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] getdents64(4, [pid 7451] <... openat resumed>) = 4 [pid 7449] <... ioctl resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7451] ioctl(4, LOOP_SET_FD, 3 [pid 7449] close(3 [pid 5008] getdents64(4, [pid 7449] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7449] mkdir("./bus", 0777 [pid 5008] close(4 [pid 7449] <... mkdir resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 7449] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5008] rmdir("./142/bus") = 0 [pid 5008] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7451] <... ioctl resumed>) = 0 [pid 7453] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7451] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7451] <... close resumed>) = 0 [pid 5008] lstat("./142/binderfs", [pid 7451] mkdir("./bus", 0777 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./142/binderfs" [pid 7451] <... mkdir resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 7451] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./142") = 0 [pid 5008] mkdir("./143", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7456 [ 207.883652][ T7449] loop4: detected capacity change from 0 to 8192 [ 207.895111][ T7451] loop2: detected capacity change from 0 to 8192 [ 207.906783][ T7449] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 ./strace-static-x86_64: Process 7456 attached [pid 7453] <... write resumed>) = 4194304 [pid 7456] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7453] munmap(0x7fe58005a000, 4194304 [ 207.945755][ T7451] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 207.953752][ T7449] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 207.965009][ T7451] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 207.979119][ T7449] REISERFS (device loop4): using ordered data mode [ 207.979911][ T7451] REISERFS (device loop2): using ordered data mode [pid 7456] chdir("./143") = 0 [pid 7453] <... munmap resumed>) = 0 [pid 7456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7453] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7456] <... prctl resumed>) = 0 [pid 7453] <... openat resumed>) = 4 [pid 7456] setpgid(0, 0 [pid 7453] ioctl(4, LOOP_SET_FD, 3 [pid 7456] <... setpgid resumed>) = 0 [pid 7456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7456] write(3, "1000", 4) = 4 [pid 7456] close(3) = 0 [pid 7456] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7456] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7456] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7456] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7457], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7457 [pid 7456] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7456] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7457 attached [pid 7457] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7453] <... ioctl resumed>) = 0 [pid 7453] close(3 [pid 7457] memfd_create("syzkaller", 0 [pid 7453] <... close resumed>) = 0 [pid 7453] mkdir("./bus", 0777) = 0 [pid 7457] <... memfd_create resumed>) = 3 [pid 7457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 207.985899][ T7449] reiserfs: using flush barriers [ 207.994669][ T7453] loop1: detected capacity change from 0 to 8192 [ 207.998835][ T7449] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 208.021329][ T7449] REISERFS (device loop4): checking transaction log (loop4) [ 208.026717][ T7451] reiserfs: using flush barriers [ 208.029873][ T7449] REISERFS (device loop4): Using r5 hash to sort names [ 208.041318][ T7453] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 208.041440][ T7449] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 208.067088][ T7449] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 208.076331][ T7451] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7453] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7449] <... mount resumed>) = 0 [pid 7449] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7449] chdir("./bus") = 0 [pid 7449] ioctl(4, LOOP_CLR_FD) = 0 [pid 7449] close(4) = 0 [pid 7449] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7448] <... futex resumed>) = 0 [pid 7449] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7448] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7448] <... futex resumed>) = 0 [pid 7449] mkdir("./file1", 000 [pid 7448] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7449] <... mkdir resumed>) = 0 [pid 7449] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7448] <... futex resumed>) = 0 [pid 7449] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7448] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7448] <... futex resumed>) = 0 [pid 7449] mkdir("./bus", 000 [pid 7448] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7449] <... mkdir resumed>) = 0 [pid 7449] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7448] <... futex resumed>) = 0 [pid 7449] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7448] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7448] <... futex resumed>) = 0 [pid 7449] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 208.076689][ T7453] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 208.101719][ T7453] REISERFS (device loop1): using ordered data mode [ 208.108793][ T7453] reiserfs: using flush barriers [pid 7448] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 208.143553][ T7449] overlayfs: upper fs needs to support d_type. [ 208.149790][ T7449] overlayfs: upper fs does not support tmpfile. [ 208.157278][ T7453] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 208.160155][ T7451] REISERFS (device loop2): checking transaction log (loop2) [ 208.177527][ T7449] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7457] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7448] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7448] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7448] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7449] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7448] <... mprotect resumed>) = 0 [ 208.188771][ T7453] REISERFS (device loop1): checking transaction log (loop1) [ 208.197889][ T7449] overlayfs: failed to resolve './file0': -2 [ 208.205720][ T7453] REISERFS (device loop1): Using r5 hash to sort names [ 208.221953][ T7453] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 208.224603][ T7451] REISERFS (device loop2): Using r5 hash to sort names [pid 7449] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7453] <... mount resumed>) = 0 [pid 7449] <... futex resumed>) = 0 [pid 7453] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7449] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7448] <... clone resumed>, parent_tid=[7459], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7459 [pid 7453] <... openat resumed>) = 3 [pid 7453] chdir("./bus" [pid 7448] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7453] <... chdir resumed>) = 0 [pid 7448] <... futex resumed>) = 0 [pid 7453] ioctl(4, LOOP_CLR_FD [pid 7448] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7459 attached [pid 7453] <... ioctl resumed>) = 0 [pid 7459] set_robust_list(0x7fe5804599e0, 24 [pid 7453] close(4) = 0 [pid 7459] <... set_robust_list resumed>) = 0 [pid 7453] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] mkdir(".", 0777 [pid 7453] <... futex resumed>) = 1 [pid 7452] <... futex resumed>) = 0 [pid 7459] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7453] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7459] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7452] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7453] <... futex resumed>) = 0 [pid 7452] <... futex resumed>) = 1 [pid 7453] mkdir("./file1", 000 [pid 7452] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7457] <... write resumed>) = 4194304 [pid 7453] <... mkdir resumed>) = 0 [pid 7457] munmap(0x7fe58005a000, 4194304 [pid 7453] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... mount resumed>) = 0 [ 208.235199][ T7453] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 208.262948][ T7451] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 208.281058][ T7451] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7451] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7451] chdir("./bus") = 0 [pid 7451] ioctl(4, LOOP_CLR_FD) = 0 [pid 7451] close(4) = 0 [pid 7451] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7450] <... futex resumed>) = 0 [pid 7450] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7450] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7451] <... futex resumed>) = 1 [pid 7451] mkdir("./file1", 000) = 0 [pid 7451] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7450] <... futex resumed>) = 0 [pid 7450] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7450] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7451] <... futex resumed>) = 1 [pid 7451] mkdir("./bus", 000) = 0 [pid 7451] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7450] <... futex resumed>) = 0 [pid 7451] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7450] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... munmap resumed>) = 0 [pid 7453] <... futex resumed>) = 1 [pid 7452] <... futex resumed>) = 0 [pid 7450] <... futex resumed>) = 0 [pid 7457] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7453] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7452] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7450] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7457] <... openat resumed>) = 4 [pid 7453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7452] <... futex resumed>) = 0 [pid 7457] ioctl(4, LOOP_SET_FD, 3 [pid 7453] mkdir("./bus", 000 [pid 7452] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7453] <... mkdir resumed>) = 0 [pid 7453] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7452] <... futex resumed>) = 0 [pid 7457] <... ioctl resumed>) = 0 [pid 7453] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7452] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7452] <... futex resumed>) = 0 [ 208.291520][ T7459] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 208.316522][ T7451] overlayfs: upper fs needs to support d_type. [ 208.329585][ T7457] loop5: detected capacity change from 0 to 8192 [pid 7452] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7459] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] close(3 [pid 7453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7459] <... futex resumed>) = 1 [pid 7457] <... close resumed>) = 0 [pid 7453] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7448] <... futex resumed>) = 0 [pid 7457] mkdir("./bus", 0777) = 0 [pid 7459] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7457] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7448] exit_group(0 [pid 7459] <... futex resumed>) = ? [pid 7449] <... futex resumed>) = ? [pid 7448] <... exit_group resumed>) = ? [pid 7459] +++ exited with 0 +++ [pid 7450] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7449] +++ exited with 0 +++ [pid 7450] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7448] +++ exited with 0 +++ [pid 7450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7448, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 7450] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 7450] <... mprotect resumed>) = 0 [pid 5007] <... restart_syscall resumed>) = 0 [pid 7450] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7461], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7461 [pid 5007] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7450] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7450] <... futex resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7450] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... openat resumed>) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7452] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5007] getdents64(3, [ 208.340006][ T7451] overlayfs: upper fs does not support tmpfile. [ 208.347739][ T7451] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 208.356846][ T7451] overlayfs: failed to resolve './file0': -2 [ 208.364665][ T7453] overlayfs: upper fs needs to support d_type. [ 208.371104][ T7453] overlayfs: upper fs does not support tmpfile. [pid 7452] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7452] <... futex resumed>) = 0 [pid 5007] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7452] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7461 attached ) = 0 [pid 7451] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7452] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7461] set_robust_list(0x7fe5804599e0, 24 [pid 7451] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] <... clone resumed>, parent_tid=[7462], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7462 [pid 7452] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7452] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7462 attached [pid 7461] <... set_robust_list resumed>) = 0 [pid 7451] <... futex resumed>) = 0 [pid 7462] set_robust_list(0x7fe5804599e0, 24 [pid 7461] mkdir(".", 0777 [pid 7451] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7462] <... set_robust_list resumed>) = 0 [pid 7461] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7462] mkdir(".", 0777 [pid 7461] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7462] <... mkdir resumed>) = -1 EEXIST (File exists) [ 208.391518][ T7453] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 208.402270][ T7457] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 208.404028][ T7453] overlayfs: failed to resolve './file0': -2 [ 208.418311][ T7457] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 208.431928][ T7457] REISERFS (device loop5): using ordered data mode [pid 7462] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7461] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 208.438412][ T7461] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 208.453758][ T7457] reiserfs: using flush barriers [ 208.459848][ T7457] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 208.460051][ T7462] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7461] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7450] <... futex resumed>) = 0 [pid 7450] exit_group(0 [pid 7451] <... futex resumed>) = ? [pid 7450] <... exit_group resumed>) = ? [pid 7451] +++ exited with 0 +++ [pid 7461] <... futex resumed>) = ? [pid 7461] +++ exited with 0 +++ [pid 7450] +++ exited with 0 +++ [pid 7453] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7453] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7453] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7450, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 7462] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7462] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7452] <... futex resumed>) = 0 [pid 5005] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7452] exit_group(0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7452] <... exit_group resumed>) = ? [pid 5005] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7453] <... futex resumed>) = ? [pid 7453] +++ exited with 0 +++ [pid 5005] <... openat resumed>) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7462] +++ exited with 0 +++ [pid 7452] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7452, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5004] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = 0 [ 208.497173][ T7457] REISERFS (device loop5): checking transaction log (loop5) [ 208.516451][ T7457] REISERFS (device loop5): Using r5 hash to sort names [ 208.530857][ T7457] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5007] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./141/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7457] <... mount resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7457] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5007] openat(AT_FDCWD, "./141/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, [pid 7457] <... openat resumed>) = 3 [pid 7457] chdir("./bus" [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, [pid 7457] <... chdir resumed>) = 0 [pid 7457] ioctl(4, LOOP_CLR_FD [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7457] <... ioctl resumed>) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7457] close(4) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./141/bus" [pid 7457] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... rmdir resumed>) = 0 [pid 5007] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./141/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 7456] <... futex resumed>) = 0 [pid 5007] rmdir("./141" [pid 7457] <... futex resumed>) = 1 [pid 7456] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... rmdir resumed>) = 0 [pid 7456] <... futex resumed>) = 0 [pid 7456] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] mkdir("./142", 0777) = 0 [pid 7457] mkdir("./file1", 000 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 7457] <... mkdir resumed>) = 0 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7457] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] close(3 [pid 7457] <... futex resumed>) = 1 [pid 7456] <... futex resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 7456] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] mkdir("./bus", 000 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7456] <... futex resumed>) = 0 [pid 7457] <... mkdir resumed>) = 0 [pid 7457] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7457] <... futex resumed>) = 0 [pid 7456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7463 [pid 7457] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7456] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 208.544614][ T7457] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7456] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7463 attached [pid 7463] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7463] chdir("./142") = 0 [pid 7463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7463] setpgid(0, 0) = 0 [pid 7463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7463] write(3, "1000", 4) = 4 [pid 7463] close(3) = 0 [pid 7463] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7463] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7463] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7463] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7463] <... clone resumed>, parent_tid=[7464], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7464 [pid 5004] lstat("./140/bus", [pid 7463] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7463] <... futex resumed>) = 0 [pid 7463] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] umount2("./140/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./140/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, ./strace-static-x86_64: Process 7464 attached [pid 7464] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7464] memfd_create("syzkaller", 0) = 3 [ 208.608800][ T7457] overlayfs: upper fs needs to support d_type. [ 208.617790][ T7457] overlayfs: upper fs does not support tmpfile. [ 208.646313][ T7457] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, [pid 7464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7456] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7464] <... mmap resumed>) = 0x7fe58005a000 [pid 7456] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./140/bus") = 0 [pid 5004] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./140/binderfs" [pid 7456] <... futex resumed>) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 7456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 5004] getdents64(3, [pid 7456] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7456] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] close(3 [pid 7456] <... clone resumed>, parent_tid=[7465], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7465 [pid 7456] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5004] <... close resumed>) = 0 [pid 7456] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] rmdir("./140") = 0 [pid 5004] mkdir("./141", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 7465 attached ) = 3 [pid 7465] set_robust_list(0x7fe5804599e0, 24 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 7465] <... set_robust_list resumed>) = 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7465] mkdir(".", 0777 [pid 5004] close(3 [pid 7465] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5004] <... close resumed>) = 0 [pid 7465] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5005] <... umount2 resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7466 [pid 7457] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 208.656225][ T7457] overlayfs: failed to resolve './file0': -2 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7457] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7466 attached [pid 7465] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7457] <... futex resumed>) = 0 [pid 5005] lstat("./142/bus", [pid 7457] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7466] set_robust_list(0x5555568c85e0, 24 [pid 7465] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7466] <... set_robust_list resumed>) = 0 [pid 7465] <... futex resumed>) = 1 [pid 7456] <... futex resumed>) = 0 [pid 7456] exit_group(0 [pid 7457] <... futex resumed>) = ? [pid 7456] <... exit_group resumed>) = ? [pid 7457] +++ exited with 0 +++ [pid 5005] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7466] chdir("./141") = 0 [pid 7465] +++ exited with 0 +++ [pid 7456] +++ exited with 0 +++ [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7456, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 7466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] openat(AT_FDCWD, "./142/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7466] <... prctl resumed>) = 0 [pid 5005] <... openat resumed>) = 4 [pid 7466] setpgid(0, 0 [pid 5005] fstat(4, [pid 7466] <... setpgid resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] getdents64(4, [pid 7466] <... openat resumed>) = 3 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7466] write(3, "1000", 4 [pid 5005] getdents64(4, [pid 7466] <... write resumed>) = 4 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7466] close(3 [pid 5005] close(4 [pid 7466] <... close resumed>) = 0 [pid 7466] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... close resumed>) = 0 [pid 7466] <... symlink resumed>) = 0 [pid 5005] rmdir("./142/bus" [pid 7466] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... rmdir resumed>) = 0 [pid 7466] <... futex resumed>) = 0 [pid 7466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7466] <... mmap resumed>) = 0x7fe58845a000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7466] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] lstat("./142/binderfs", [pid 7466] <... mprotect resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7466] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] unlink("./142/binderfs") = 0 [pid 7466] <... clone resumed>, parent_tid=[7467], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7467 [pid 5005] getdents64(3, [pid 7466] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7466] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7467 attached [pid 7466] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7464] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5005] close(3 [pid 7467] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5005] <... close resumed>) = 0 [ 208.692797][ T7465] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7467] memfd_create("syzkaller", 0 [pid 5005] rmdir("./142" [pid 7467] <... memfd_create resumed>) = 3 [pid 5005] <... rmdir resumed>) = 0 [pid 7467] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5005] mkdir("./143", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7468 ./strace-static-x86_64: Process 7468 attached [pid 7468] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7468] chdir("./143") = 0 [pid 7468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7468] setpgid(0, 0) = 0 [pid 7468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7468] write(3, "1000", 4) = 4 [pid 7468] close(3) = 0 [pid 7468] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7468] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7468] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7468] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... umount2 resumed>) = 0 [pid 7468] <... clone resumed>, parent_tid=[7469], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7469 [pid 7468] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7468] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7469 attached [pid 7469] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7469] memfd_create("syzkaller", 0) = 3 [pid 7469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5008] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./143/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./143/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./143/bus") = 0 [pid 5008] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./143/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./143/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./143") = 0 [pid 5008] mkdir("./144", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 7467] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7464] <... write resumed>) = 4194304 [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7470 ./strace-static-x86_64: Process 7470 attached [pid 7470] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7470] chdir("./144") = 0 [pid 7470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7470] setpgid(0, 0) = 0 [pid 7464] munmap(0x7fe58005a000, 4194304 [pid 7470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7470] write(3, "1000", 4) = 4 [pid 7464] <... munmap resumed>) = 0 [pid 7470] close(3) = 0 [pid 7470] symlink("/dev/binderfs", "./binderfs" [pid 7464] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7470] <... symlink resumed>) = 0 [pid 7464] <... openat resumed>) = 4 [pid 7470] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7470] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7464] ioctl(4, LOOP_SET_FD, 3 [pid 7470] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7471], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7471 [pid 7470] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7470] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7464] <... ioctl resumed>) = 0 [pid 7464] close(3./strace-static-x86_64: Process 7471 attached [pid 7469] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7467] <... write resumed>) = 4194304 [pid 7464] <... close resumed>) = 0 [pid 7464] mkdir("./bus", 0777) = 0 [pid 7467] munmap(0x7fe58005a000, 4194304 [pid 7464] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7471] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7471] memfd_create("syzkaller", 0) = 3 [pid 7471] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7467] <... munmap resumed>) = 0 [pid 7467] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 208.887800][ T7464] loop4: detected capacity change from 0 to 8192 [ 208.920961][ T7464] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7467] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7467] close(3) = 0 [pid 7467] mkdir("./bus", 0777) = 0 [pid 7467] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7469] <... write resumed>) = 4194304 [pid 7469] munmap(0x7fe58005a000, 4194304) = 0 [pid 7469] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7469] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7469] close(3) = 0 [pid 7469] mkdir("./bus", 0777) = 0 [ 208.936132][ T7467] loop1: detected capacity change from 0 to 8192 [ 208.956037][ T7464] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 208.965870][ T7467] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 208.980804][ T7469] loop2: detected capacity change from 0 to 8192 [pid 7469] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 208.991776][ T7464] REISERFS (device loop4): using ordered data mode [ 208.993216][ T7467] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 209.001202][ T7464] reiserfs: using flush barriers [ 209.008734][ T7467] REISERFS (device loop1): using ordered data mode [ 209.018919][ T7464] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 209.020393][ T7467] reiserfs: using flush barriers [ 209.041054][ T7469] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 209.056566][ T7467] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 209.073589][ T7469] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 209.075040][ T7464] REISERFS (device loop4): checking transaction log (loop4) [pid 7471] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 7471] munmap(0x7fe58005a000, 4194304) = 0 [pid 7471] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7471] ioctl(4, LOOP_SET_FD, 3) = 0 [ 209.082973][ T7469] REISERFS (device loop2): using ordered data mode [ 209.097723][ T7467] REISERFS (device loop1): checking transaction log (loop1) [ 209.098723][ T7469] reiserfs: using flush barriers [ 209.109727][ T7471] loop5: detected capacity change from 0 to 8192 [ 209.111849][ T7469] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 209.117569][ T7464] REISERFS (device loop4): Using r5 hash to sort names [pid 7471] close(3) = 0 [pid 7471] mkdir("./bus", 0777) = 0 [ 209.133174][ T7469] REISERFS (device loop2): checking transaction log (loop2) [ 209.140416][ T7464] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 209.151240][ T7467] REISERFS (device loop1): Using r5 hash to sort names [ 209.160006][ T7464] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 209.166764][ T7467] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7471] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7464] <... mount resumed>) = 0 [pid 7469] <... mount resumed>) = 0 [pid 7467] <... mount resumed>) = 0 [pid 7464] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7469] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7464] <... openat resumed>) = 3 [pid 7469] <... openat resumed>) = 3 [pid 7464] chdir("./bus" [pid 7469] chdir("./bus" [pid 7464] <... chdir resumed>) = 0 [pid 7469] <... chdir resumed>) = 0 [pid 7464] ioctl(4, LOOP_CLR_FD [pid 7469] ioctl(4, LOOP_CLR_FD [pid 7464] <... ioctl resumed>) = 0 [pid 7469] <... ioctl resumed>) = 0 [pid 7464] close(4 [pid 7469] close(4 [pid 7464] <... close resumed>) = 0 [pid 7469] <... close resumed>) = 0 [pid 7464] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] <... futex resumed>) = 1 [pid 7463] <... futex resumed>) = 0 [pid 7469] <... futex resumed>) = 1 [pid 7468] <... futex resumed>) = 0 [pid 7464] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7463] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7468] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7463] <... futex resumed>) = 0 [pid 7469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7468] <... futex resumed>) = 0 [pid 7464] mkdir("./file1", 000 [pid 7463] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7469] mkdir("./file1", 000 [pid 7468] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7464] <... mkdir resumed>) = 0 [pid 7469] <... mkdir resumed>) = 0 [pid 7469] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] <... futex resumed>) = 1 [pid 7468] <... futex resumed>) = 0 [pid 7464] <... futex resumed>) = 1 [pid 7469] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7468] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7463] <... futex resumed>) = 0 [pid 7469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7468] <... futex resumed>) = 0 [pid 7467] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7463] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] mkdir("./bus", 000 [pid 7468] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7463] <... futex resumed>) = 1 [pid 7464] <... futex resumed>) = 0 [pid 7469] <... mkdir resumed>) = 0 [pid 7467] <... openat resumed>) = 3 [ 209.176882][ T7469] REISERFS (device loop2): Using r5 hash to sort names [ 209.195250][ T7467] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 209.195992][ T7469] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 209.204387][ T7471] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 209.217236][ T7469] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7464] mkdir("./bus", 000 [pid 7463] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7469] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] chdir("./bus" [pid 7464] <... mkdir resumed>) = 0 [pid 7469] <... futex resumed>) = 1 [pid 7468] <... futex resumed>) = 0 [pid 7464] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7468] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] <... chdir resumed>) = 0 [pid 7464] <... futex resumed>) = 1 [pid 7463] <... futex resumed>) = 0 [pid 7469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7468] <... futex resumed>) = 0 [pid 7464] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7463] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7468] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7467] ioctl(4, LOOP_CLR_FD [pid 7464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7463] <... futex resumed>) = 0 [pid 7467] <... ioctl resumed>) = 0 [pid 7467] close(4 [pid 7463] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7464] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7467] <... close resumed>) = 0 [pid 7467] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7466] <... futex resumed>) = 0 [pid 7467] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7466] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7466] <... futex resumed>) = 0 [pid 7467] mkdir("./file1", 000 [pid 7466] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7467] <... mkdir resumed>) = 0 [pid 7467] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7466] <... futex resumed>) = 0 [pid 7467] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7466] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7466] <... futex resumed>) = 0 [pid 7467] mkdir("./bus", 000 [pid 7466] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7467] <... mkdir resumed>) = 0 [pid 7467] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7466] <... futex resumed>) = 0 [pid 7467] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7466] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7466] <... futex resumed>) = 0 [pid 7467] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 209.249062][ T7464] overlayfs: upper fs needs to support d_type. [ 209.255585][ T7469] overlayfs: upper fs needs to support d_type. [ 209.260501][ T7467] overlayfs: upper fs needs to support d_type. [ 209.261877][ T7471] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 209.277705][ T7471] REISERFS (device loop5): using ordered data mode [ 209.278380][ T7467] overlayfs: upper fs does not support tmpfile. [ 209.284404][ T7471] reiserfs: using flush barriers [pid 7466] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7468] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7463] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7468] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7468] <... futex resumed>) = 0 [pid 7463] <... futex resumed>) = 0 [pid 7468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7468] <... mmap resumed>) = 0x7fe580439000 [pid 7463] <... mmap resumed>) = 0x7fe580439000 [pid 7468] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7463] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7468] <... mprotect resumed>) = 0 [pid 7463] <... mprotect resumed>) = 0 [pid 7468] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7463] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7468] <... clone resumed>, parent_tid=[7476], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7476 [pid 7463] <... clone resumed>, parent_tid=[7477], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7477 [pid 7468] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7466] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 209.292676][ T7464] overlayfs: upper fs does not support tmpfile. [ 209.302406][ T7471] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 209.304350][ T7469] overlayfs: upper fs does not support tmpfile. [ 209.326967][ T7471] REISERFS (device loop5): checking transaction log (loop5) [pid 7463] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7468] <... futex resumed>) = 0 [pid 7466] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] <... futex resumed>) = 0 [pid 7468] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7466] <... futex resumed>) = 0 [pid 7463] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7476 attached [pid 7466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7476] set_robust_list(0x7fe5804599e0, 24 [pid 7466] <... mmap resumed>) = 0x7fe580439000 [pid 7476] <... set_robust_list resumed>) = 0 [pid 7466] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7476] mkdir(".", 0777 [pid 7466] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7477 attached [pid 7476] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7466] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7477] set_robust_list(0x7fe5804599e0, 24 [pid 7476] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7477] <... set_robust_list resumed>) = 0 [pid 7466] <... clone resumed>, parent_tid=[7478], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7478 [pid 7477] mkdir(".", 0777 [pid 7466] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7477] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7466] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7478 attached [pid 7477] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7478] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7478] mkdir(".", 0777) = -1 EEXIST (File exists) [ 209.344176][ T7467] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 209.367793][ T7476] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 209.374001][ T7464] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 209.383491][ T7471] REISERFS (device loop5): Using r5 hash to sort names [ 209.394355][ T7467] overlayfs: failed to resolve './file0': -2 [ 209.406347][ T7477] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 209.407389][ T7471] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 209.425827][ T7464] overlayfs: failed to resolve './file0': -2 [pid 7478] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7476] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7476] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7477] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7476] <... futex resumed>) = 1 [pid 7468] <... futex resumed>) = 0 [pid 7471] <... mount resumed>) = 0 [pid 7477] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7476] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7471] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7478] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7477] <... futex resumed>) = 1 [pid 7463] <... futex resumed>) = 0 [pid 7471] <... openat resumed>) = 3 [pid 7478] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7477] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7478] <... futex resumed>) = 1 [pid 7471] chdir("./bus" [pid 7466] <... futex resumed>) = 0 [pid 7478] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7471] <... chdir resumed>) = 0 [pid 7467] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7467] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7466] exit_group(0) = ? [pid 7467] +++ exited with 0 +++ [pid 7464] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7464] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7478] <... futex resumed>) = ? [pid 7471] ioctl(4, LOOP_CLR_FD [pid 7464] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7478] +++ exited with 0 +++ [pid 7471] <... ioctl resumed>) = 0 [pid 7466] +++ exited with 0 +++ [pid 7463] exit_group(0 [pid 7469] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7477] <... futex resumed>) = ? [pid 7471] close(4 [pid 7463] <... exit_group resumed>) = ? [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7466, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 7469] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] <... futex resumed>) = ? [pid 7464] +++ exited with 0 +++ [pid 7471] <... close resumed>) = 0 [pid 7477] +++ exited with 0 +++ [pid 7463] +++ exited with 0 +++ [pid 5004] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7471] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7470] <... futex resumed>) = 0 [pid 7469] <... futex resumed>) = 0 [pid 7468] exit_group(0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7463, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 7476] <... futex resumed>) = ? [pid 7471] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7470] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7468] <... exit_group resumed>) = ? [pid 7476] +++ exited with 0 +++ [pid 7471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7470] <... futex resumed>) = 0 [pid 7471] mkdir("./file1", 000 [pid 7470] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7471] <... mkdir resumed>) = 0 [pid 7471] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7471] <... futex resumed>) = 1 [pid 7470] <... futex resumed>) = 0 [pid 7471] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7470] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7470] <... futex resumed>) = 0 [pid 7471] mkdir("./bus", 000 [pid 5007] <... openat resumed>) = 3 [pid 7470] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7471] <... mkdir resumed>) = 0 [pid 5007] fstat(3, [pid 7471] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7470] <... futex resumed>) = 0 [ 209.440332][ T7478] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 209.440450][ T7471] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 209.462039][ T7469] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 209.474943][ T7469] overlayfs: failed to resolve './file0': -2 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7471] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7470] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7470] <... futex resumed>) = 0 [pid 5007] getdents64(3, [pid 7471] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7470] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7469] +++ exited with 0 +++ [pid 7468] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7468, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5005] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7470] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7470] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7470] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7470] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7479], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7479 [pid 7470] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7470] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7479 attached [pid 7479] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7479] mkdir(".", 0777) = -1 EEXIST (File exists) [ 209.504253][ T7471] overlayfs: upper fs needs to support d_type. [ 209.510595][ T7471] overlayfs: upper fs does not support tmpfile. [ 209.523193][ T7471] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 209.538854][ T7471] overlayfs: failed to resolve './file0': -2 [pid 7479] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./141/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./141/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./141/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./141/bus") = 0 [pid 5004] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./141/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./141") = 0 [pid 5004] mkdir("./142", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7480 attached [pid 7479] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7480 [pid 7479] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7480] set_robust_list(0x5555568c85e0, 24 [pid 7479] <... futex resumed>) = 1 [pid 7470] <... futex resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7479] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7480] <... set_robust_list resumed>) = 0 [pid 5007] lstat("./142/bus", [pid 7480] chdir("./142" [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7480] <... chdir resumed>) = 0 [pid 5007] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7480] <... prctl resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./142/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7480] setpgid(0, 0 [pid 5005] lstat("./143/bus", [pid 5007] <... openat resumed>) = 4 [pid 7480] <... setpgid resumed>) = 0 [pid 5007] fstat(4, [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] getdents64(4, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./143/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] <... openat resumed>) = 4 [pid 5007] getdents64(4, [pid 5005] fstat(4, [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7480] <... openat resumed>) = 3 [pid 5007] close(4 [pid 5005] getdents64(4, [pid 7480] write(3, "1000", 4 [pid 7471] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5007] <... close resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7471] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7470] exit_group(0) = ? [pid 5007] rmdir("./142/bus" [pid 5005] getdents64(4, [pid 7471] <... futex resumed>) = ? [pid 7479] <... futex resumed>) = ? [pid 7480] <... write resumed>) = 4 [pid 7479] +++ exited with 0 +++ [pid 7471] +++ exited with 0 +++ [pid 7470] +++ exited with 0 +++ [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7480] close(3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7470, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5007] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7480] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] close(4 [pid 7480] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... close resumed>) = 0 [pid 7480] <... symlink resumed>) = 0 [pid 5008] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] lstat("./142/binderfs", [pid 5005] rmdir("./143/bus" [pid 7480] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7480] <... futex resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] unlink("./142/binderfs" [pid 5005] <... rmdir resumed>) = 0 [pid 7480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... openat resumed>) = 3 [pid 5005] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7480] <... mmap resumed>) = 0x7fe58845a000 [pid 5008] fstat(3, [pid 5007] <... unlink resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7480] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 5005] lstat("./143/binderfs", [pid 7480] <... mprotect resumed>) = 0 [pid 5008] getdents64(3, [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7480] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] close(3 [pid 5005] unlink("./143/binderfs"./strace-static-x86_64: Process 7481 attached [pid 5008] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... close resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 7481] set_robust_list(0x7fe58847a9e0, 24 [pid 7480] <... clone resumed>, parent_tid=[7481], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7481 [pid 5007] rmdir("./142" [pid 5005] getdents64(3, [pid 7480] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./143" [pid 7480] <... futex resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5005] mkdir("./144", 0777) = 0 [pid 7481] <... set_robust_list resumed>) = 0 [ 209.619779][ T7479] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7480] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] mkdir("./143", 0777 [pid 7481] memfd_create("syzkaller", 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7481] <... memfd_create resumed>) = 3 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5005] <... openat resumed>) = 3 [pid 7481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] <... openat resumed>) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 7481] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5007] close(3 [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... close resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7482 ./strace-static-x86_64: Process 7482 attached [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7482] set_robust_list(0x5555568c85e0, 24 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7483 [pid 7482] <... set_robust_list resumed>) = 0 [pid 7482] chdir("./144") = 0 [pid 7482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7483 attached [pid 7482] setpgid(0, 0) = 0 [pid 7483] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7483] chdir("./143" [pid 7482] write(3, "1000", 4) = 4 [pid 7483] <... chdir resumed>) = 0 [pid 7483] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7482] close(3 [pid 7483] <... prctl resumed>) = 0 [pid 7482] <... close resumed>) = 0 [pid 7483] setpgid(0, 0 [pid 7482] symlink("/dev/binderfs", "./binderfs" [pid 7481] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7483] <... setpgid resumed>) = 0 [pid 7482] <... symlink resumed>) = 0 [pid 7483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7482] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7483] <... openat resumed>) = 3 [pid 7482] <... futex resumed>) = 0 [pid 7483] write(3, "1000", 4 [pid 7482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7483] <... write resumed>) = 4 [pid 7482] <... mmap resumed>) = 0x7fe58845a000 [pid 7483] close(3 [pid 7482] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7483] <... close resumed>) = 0 [pid 7483] symlink("/dev/binderfs", "./binderfs" [pid 7482] <... mprotect resumed>) = 0 [pid 7483] <... symlink resumed>) = 0 [pid 7482] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7483] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7482] <... clone resumed>, parent_tid=[7484], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7484 [pid 7483] <... mmap resumed>) = 0x7fe58845a000 [pid 7482] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7483] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7482] <... futex resumed>) = 0 [pid 7482] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7483] <... mprotect resumed>) = 0 [pid 7483] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7485], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7485 [pid 7483] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7484 attached [pid 7484] set_robust_list(0x7fe58847a9e0, 24 [pid 7483] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7484] <... set_robust_list resumed>) = 0 [pid 7484] memfd_create("syzkaller", 0) = 3 [pid 7484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 7485 attached ) = 0x7fe58005a000 [pid 7481] <... write resumed>) = 4194304 [pid 7485] set_robust_list(0x7fe58847a9e0, 24 [pid 7481] munmap(0x7fe58005a000, 4194304) = 0 [pid 7485] <... set_robust_list resumed>) = 0 [pid 7481] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7481] ioctl(4, LOOP_SET_FD, 3 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./144/bus", [pid 7485] memfd_create("syzkaller", 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7485] <... memfd_create resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./144/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7485] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... openat resumed>) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7485] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./144/bus") = 0 [pid 5008] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./144/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./144") = 0 [pid 5008] mkdir("./145", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7486 ./strace-static-x86_64: Process 7486 attached [pid 7486] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7486] chdir("./145") = 0 [pid 7486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7486] setpgid(0, 0) = 0 [pid 7486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7486] write(3, "1000", 4) = 4 [pid 7486] close(3) = 0 [pid 7486] symlink("/dev/binderfs", "./binderfs" [pid 7481] <... ioctl resumed>) = 0 [pid 7486] <... symlink resumed>) = 0 [pid 7481] close(3) = 0 [pid 7486] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] mkdir("./bus", 0777 [pid 7486] <... futex resumed>) = 0 [pid 7486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7481] <... mkdir resumed>) = 0 [pid 7486] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7481] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7486] <... mprotect resumed>) = 0 [pid 7486] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7488], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7488 [pid 7486] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7486] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7488 attached [ 209.787982][ T7481] loop1: detected capacity change from 0 to 8192 [pid 7488] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7488] memfd_create("syzkaller", 0) = 3 [pid 7488] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 209.841784][ T7481] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 209.879520][ T7481] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7484] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7485] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 209.902247][ T7481] REISERFS (device loop1): using ordered data mode [ 209.909870][ T7481] reiserfs: using flush barriers [ 209.919424][ T7481] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 209.938683][ T7481] REISERFS (device loop1): checking transaction log (loop1) [pid 7488] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7481] <... mount resumed>) = 0 [pid 7481] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7481] chdir("./bus") = 0 [pid 7484] <... write resumed>) = 4194304 [pid 7481] ioctl(4, LOOP_CLR_FD) = 0 [pid 7481] close(4) = 0 [pid 7484] munmap(0x7fe58005a000, 4194304 [pid 7481] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7480] <... futex resumed>) = 0 [pid 7481] <... futex resumed>) = 1 [pid 7480] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7480] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7481] mkdir("./file1", 000) = 0 [pid 7481] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7480] <... futex resumed>) = 0 [pid 7481] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7480] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7480] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7484] <... munmap resumed>) = 0 [pid 7484] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7481] mkdir("./bus", 000) = 0 [ 209.947479][ T7481] REISERFS (device loop1): Using r5 hash to sort names [ 209.955192][ T7481] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 209.968502][ T7481] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7481] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7480] <... futex resumed>) = 0 [pid 7481] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7480] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7480] <... futex resumed>) = 0 [pid 7481] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7480] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7484] <... openat resumed>) = 4 [pid 7484] ioctl(4, LOOP_SET_FD, 3 [pid 7488] <... write resumed>) = 4194304 [pid 7488] munmap(0x7fe58005a000, 4194304 [pid 7485] <... write resumed>) = 4194304 [pid 7484] <... ioctl resumed>) = 0 [pid 7488] <... munmap resumed>) = 0 [pid 7485] munmap(0x7fe58005a000, 4194304) = 0 [pid 7488] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7485] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7484] close(3 [pid 7488] <... openat resumed>) = 4 [pid 7488] ioctl(4, LOOP_SET_FD, 3 [pid 7485] <... openat resumed>) = 4 [pid 7485] ioctl(4, LOOP_SET_FD, 3 [pid 7484] <... close resumed>) = 0 [pid 7480] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7480] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 210.009112][ T7481] overlayfs: upper fs needs to support d_type. [ 210.009173][ T7484] loop2: detected capacity change from 0 to 8192 [ 210.026062][ T7481] overlayfs: upper fs does not support tmpfile. [ 210.033920][ T7481] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 210.044175][ T7481] overlayfs: failed to resolve './file0': -2 [ 210.052203][ T7488] loop5: detected capacity change from 0 to 8192 [pid 7480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7480] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7480] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7489], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7489 [pid 7480] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7480] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7488] <... ioctl resumed>) = 0 [pid 7488] close(3) = 0 [pid 7488] mkdir("./bus", 0777) = 0 [pid 7488] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7484] mkdir("./bus", 0777./strace-static-x86_64: Process 7489 attached [pid 7489] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7489] mkdir(".", 0777 [pid 7484] <... mkdir resumed>) = 0 [pid 7481] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7484] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7481] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7489] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7481] <... futex resumed>) = 0 [pid 7481] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7485] <... ioctl resumed>) = 0 [pid 7485] close(3) = 0 [pid 7485] mkdir("./bus", 0777) = 0 [ 210.060264][ T7485] loop4: detected capacity change from 0 to 8192 [ 210.073009][ T7484] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 210.079160][ T7488] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 210.087057][ T7484] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7485] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7489] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7489] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 210.099664][ T7488] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 210.112353][ T7489] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 210.118399][ T7484] REISERFS (device loop2): using ordered data mode [ 210.133401][ T7488] REISERFS (device loop5): using ordered data mode [ 210.139300][ T7485] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7489] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7480] <... futex resumed>) = 0 [pid 7480] exit_group(0 [pid 7481] <... futex resumed>) = ? [pid 7489] <... futex resumed>) = ? [pid 7480] <... exit_group resumed>) = ? [pid 7481] +++ exited with 0 +++ [pid 7489] +++ exited with 0 +++ [pid 7480] +++ exited with 0 +++ [ 210.145671][ T7484] reiserfs: using flush barriers [ 210.159413][ T7488] reiserfs: using flush barriers [ 210.171246][ T7485] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 210.172702][ T7484] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 210.180830][ T7485] REISERFS (device loop4): using ordered data mode [ 210.198841][ T7484] REISERFS (device loop2): checking transaction log (loop2) [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7480, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5004] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 210.203324][ T7485] reiserfs: using flush barriers [ 210.211435][ T7488] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 210.221922][ T7485] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 210.232318][ T7484] REISERFS (device loop2): Using r5 hash to sort names [pid 5004] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7484] <... mount resumed>) = 0 [ 210.248451][ T7485] REISERFS (device loop4): checking transaction log (loop4) [ 210.263565][ T7484] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 210.264755][ T7488] REISERFS (device loop5): checking transaction log (loop5) [ 210.276418][ T7484] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 210.301730][ T7485] REISERFS (device loop4): Using r5 hash to sort names [pid 7484] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5004] <... umount2 resumed>) = 0 [pid 7484] <... openat resumed>) = 3 [pid 7484] chdir("./bus") = 0 [pid 7484] ioctl(4, LOOP_CLR_FD) = 0 [pid 7484] close(4) = 0 [pid 7484] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] <... futex resumed>) = 0 [pid 7482] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7482] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7484] <... futex resumed>) = 1 [pid 7484] mkdir("./file1", 000) = 0 [ 210.308807][ T7485] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 210.320274][ T7488] REISERFS (device loop5): Using r5 hash to sort names [ 210.328977][ T7488] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7484] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7484] <... futex resumed>) = 1 [pid 7484] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7485] <... mount resumed>) = 0 [pid 7485] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7485] chdir("./bus") = 0 [pid 7485] ioctl(4, LOOP_CLR_FD) = 0 [pid 7485] close(4 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7482] <... futex resumed>) = 0 [pid 7482] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] lstat("./142/bus", [pid 7488] <... mount resumed>) = 0 [pid 7482] <... futex resumed>) = 1 [pid 7488] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7482] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7484] <... futex resumed>) = 0 [pid 5004] umount2("./142/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7488] <... openat resumed>) = 3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7488] chdir("./bus" [pid 5004] openat(AT_FDCWD, "./142/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7488] <... chdir resumed>) = 0 [pid 7488] ioctl(4, LOOP_CLR_FD [pid 7484] mkdir("./bus", 000 [pid 5004] <... openat resumed>) = 4 [pid 7488] <... ioctl resumed>) = 0 [pid 5004] fstat(4, [pid 7488] close(4 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7488] <... close resumed>) = 0 [pid 5004] getdents64(4, [pid 7488] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7486] <... futex resumed>) = 0 [pid 7484] <... mkdir resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7488] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7486] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7484] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] getdents64(4, [pid 7488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7486] <... futex resumed>) = 0 [pid 7485] <... close resumed>) = 0 [pid 7484] <... futex resumed>) = 1 [pid 7482] <... futex resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7486] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7484] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7482] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(4 [pid 7482] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 7482] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] rmdir("./142/bus") = 0 [pid 5004] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7488] mkdir("./file1", 000 [pid 5004] unlink("./142/binderfs" [pid 7488] <... mkdir resumed>) = 0 [pid 7485] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... unlink resumed>) = 0 [pid 7488] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7485] <... futex resumed>) = 1 [pid 7483] <... futex resumed>) = 0 [pid 5004] getdents64(3, [pid 7488] <... futex resumed>) = 1 [pid 7485] mkdir("./file1", 000 [pid 7483] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7488] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7485] <... mkdir resumed>) = 0 [pid 7483] <... futex resumed>) = 0 [pid 5004] close(3 [pid 7485] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7483] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] rmdir("./142" [pid 7485] mkdir("./bus", 000 [pid 7483] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... rmdir resumed>) = 0 [pid 7485] <... mkdir resumed>) = 0 [pid 7486] <... futex resumed>) = 0 [pid 7483] <... futex resumed>) = 0 [pid 5004] mkdir("./143", 0777 [pid 7485] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7483] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... mkdir resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7485] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7483] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [ 210.357294][ T7485] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 210.360142][ T7488] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 210.391521][ T7484] overlayfs: upper fs needs to support d_type. [ 210.402084][ T7485] overlayfs: upper fs needs to support d_type. [pid 7485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7483] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 7485] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7483] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7486] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(3) = 0 [pid 7488] <... futex resumed>) = 0 [pid 7486] <... futex resumed>) = 1 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7488] mkdir("./bus", 000 [pid 7486] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7488] <... mkdir resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7493 [pid 7488] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7488] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7493 attached [pid 7493] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7493] chdir("./143") = 0 [pid 7493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7493] setpgid(0, 0) = 0 [pid 7493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7493] <... openat resumed>) = 3 [pid 7486] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] write(3, "1000", 4 [pid 7488] <... futex resumed>) = 0 [pid 7486] <... futex resumed>) = 1 [pid 7493] <... write resumed>) = 4 [pid 7488] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7486] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7493] close(3 [pid 7482] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7493] <... close resumed>) = 0 [pid 7482] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] symlink("/dev/binderfs", "./binderfs" [pid 7482] <... futex resumed>) = 0 [pid 7493] <... symlink resumed>) = 0 [pid 7482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7493] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] <... mmap resumed>) = 0x7fe580439000 [pid 7493] <... futex resumed>) = 0 [pid 7482] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7482] <... mprotect resumed>) = 0 [pid 7493] <... mmap resumed>) = 0x7fe58845a000 [pid 7482] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7493] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7482] <... clone resumed>, parent_tid=[7494], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7494 [pid 7493] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7482] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7493] <... clone resumed>, parent_tid=[7495], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7495 [pid 7482] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7493] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7493] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7494 attached [pid 7494] set_robust_list(0x7fe5804599e0, 24) = 0 [ 210.402538][ T7484] overlayfs: upper fs does not support tmpfile. [ 210.408277][ T7485] overlayfs: upper fs does not support tmpfile. [ 210.434684][ T7488] overlayfs: upper fs needs to support d_type. [ 210.444028][ T7488] overlayfs: upper fs does not support tmpfile. [pid 7494] mkdir(".", 0777) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 7495 attached [pid 7494] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7483] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7483] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7495] set_robust_list(0x7fe58847a9e0, 24 [pid 7483] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7483] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7496], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7496 [pid 7483] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7483] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7495] <... set_robust_list resumed>) = 0 [pid 7495] memfd_create("syzkaller", 0) = 3 [pid 7495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7486] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 210.458290][ T7484] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 210.459304][ T7485] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 210.482350][ T7488] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 210.490703][ T7488] overlayfs: failed to resolve './file0': -2 [ 210.497806][ T7494] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7495] <... mmap resumed>) = 0x7fe58005a000 [pid 7486] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7496 attached [pid 7496] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7496] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7496] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7494] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7494] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] <... futex resumed>) = 0 [pid 7494] <... futex resumed>) = 1 [pid 7494] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7486] <... futex resumed>) = 0 [pid 7486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7486] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7486] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7496] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7496] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7488] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7484] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7485] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7483] <... futex resumed>) = 0 [pid 7488] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7486] <... clone resumed>, parent_tid=[7497], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7497 [pid 7485] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7484] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7488] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7485] <... futex resumed>) = 0 [pid 7486] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7485] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7484] <... futex resumed>) = 0 [pid 7484] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7483] exit_group(0 [pid 7486] <... futex resumed>) = 0 [pid 7483] <... exit_group resumed>) = ? [pid 7486] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7485] <... futex resumed>) = ? [pid 7482] exit_group(0 [pid 7494] <... futex resumed>) = ? [pid 7485] +++ exited with 0 +++ [pid 7484] <... futex resumed>) = ? [pid 7482] <... exit_group resumed>) = ? [pid 7494] +++ exited with 0 +++ [pid 7484] +++ exited with 0 +++ [pid 7482] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7482, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- ./strace-static-x86_64: Process 7497 attached [pid 7496] <... futex resumed>) = ? [pid 7497] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7497] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7497] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5005] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7495] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7496] +++ exited with 0 +++ [pid 7483] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7483, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5007] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 210.508849][ T7485] overlayfs: failed to resolve './file0': -2 [ 210.522471][ T7484] overlayfs: failed to resolve './file0': -2 [ 210.527362][ T7496] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5007] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7497] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7497] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] <... futex resumed>) = 0 [pid 7486] exit_group(0 [pid 7488] <... futex resumed>) = ? [pid 7486] <... exit_group resumed>) = ? [pid 7488] +++ exited with 0 +++ [pid 7497] <... futex resumed>) = ? [pid 7497] +++ exited with 0 +++ [pid 7486] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7486, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 210.586433][ T7497] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./143/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./143/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./143/bus") = 0 [pid 5007] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./143/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./143/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./143") = 0 [pid 5007] mkdir("./144", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7498 ./strace-static-x86_64: Process 7498 attached [pid 7498] set_robust_list(0x5555568c85e0, 24 [pid 7495] <... write resumed>) = 4194304 [pid 7498] <... set_robust_list resumed>) = 0 [pid 7495] munmap(0x7fe58005a000, 4194304 [pid 7498] chdir("./144") = 0 [pid 7498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7495] <... munmap resumed>) = 0 [pid 7498] <... prctl resumed>) = 0 [pid 7495] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7498] setpgid(0, 0 [pid 7495] <... openat resumed>) = 4 [pid 7498] <... setpgid resumed>) = 0 [pid 7495] ioctl(4, LOOP_SET_FD, 3 [pid 7498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7498] write(3, "1000", 4) = 4 [pid 7498] close(3 [pid 5008] <... umount2 resumed>) = 0 [pid 7498] <... close resumed>) = 0 [pid 7495] <... ioctl resumed>) = 0 [pid 5008] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 7498] symlink("/dev/binderfs", "./binderfs" [pid 5005] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7498] <... symlink resumed>) = 0 [pid 7495] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7498] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... close resumed>) = 0 [pid 5008] lstat("./145/bus", [pid 5005] lstat("./144/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./144/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7498] <... futex resumed>) = 0 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, [pid 7498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] close(4 [pid 7498] <... mmap resumed>) = 0x7fe58845a000 [pid 7498] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... close resumed>) = 0 [pid 7498] <... mprotect resumed>) = 0 [pid 5005] rmdir("./144/bus" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7498] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7495] mkdir("./bus", 0777 [pid 5008] openat(AT_FDCWD, "./145/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... rmdir resumed>) = 0 [pid 5005] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7498] <... clone resumed>, parent_tid=[7499], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7499 [pid 5008] <... openat resumed>) = 4 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7499 attached [pid 7498] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... mkdir resumed>) = 0 [pid 5008] fstat(4, [pid 5005] lstat("./144/binderfs", [pid 7498] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7498] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7495] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5008] close(4) = 0 [pid 5008] rmdir("./145/bus") = 0 [pid 5008] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] lstat("./145/binderfs", [pid 7499] set_robust_list(0x7fe58847a9e0, 24 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./144/binderfs" [pid 7499] <... set_robust_list resumed>) = 0 [pid 5008] unlink("./145/binderfs" [pid 5005] <... unlink resumed>) = 0 [pid 7499] memfd_create("syzkaller", 0 [pid 5005] getdents64(3, [pid 7499] <... memfd_create resumed>) = 3 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] close(3 [pid 7499] <... mmap resumed>) = 0x7fe58005a000 [pid 5005] <... close resumed>) = 0 [pid 5005] rmdir("./144" [pid 5008] <... unlink resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5008] getdents64(3, [pid 5005] mkdir("./145", 0777 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] close(3 [pid 5005] <... openat resumed>) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5008] <... close resumed>) = 0 [pid 5005] <... close resumed>) = 0 [ 210.719509][ T7495] loop1: detected capacity change from 0 to 8192 [ 210.748236][ T7495] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] rmdir("./145" [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7501 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] mkdir("./146", 0777./strace-static-x86_64: Process 7501 attached ) = 0 [pid 7501] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7501] chdir("./145" [pid 5008] <... openat resumed>) = 3 [pid 7501] <... chdir resumed>) = 0 [pid 7501] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7501] <... prctl resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7501] setpgid(0, 0 [pid 5008] close(3 [pid 7501] <... setpgid resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 7501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7499] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7501] <... openat resumed>) = 3 [pid 7501] write(3, "1000", 4) = 4 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7502 [pid 7501] close(3) = 0 ./strace-static-x86_64: Process 7502 attached [pid 7501] symlink("/dev/binderfs", "./binderfs" [pid 7502] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7501] <... symlink resumed>) = 0 [pid 7501] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7502] chdir("./146") = 0 [pid 7502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7502] setpgid(0, 0) = 0 [pid 7502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7502] write(3, "1000", 4) = 4 [pid 7502] close(3) = 0 [pid 7502] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7502] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7501] <... mmap resumed>) = 0x7fe58845a000 [pid 7501] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7502] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7501] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7503], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7503 [pid 7501] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] <... mprotect resumed>) = 0 [pid 7501] <... futex resumed>) = 0 [pid 7502] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 210.772321][ T7495] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 210.809914][ T7495] REISERFS (device loop1): using ordered data mode [pid 7501] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7503 attached [pid 7502] <... clone resumed>, parent_tid=[7504], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7504 [pid 7502] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7502] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7504 attached [pid 7503] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7504] set_robust_list(0x7fe58847a9e0, 24 [pid 7503] memfd_create("syzkaller", 0 [pid 7504] <... set_robust_list resumed>) = 0 [pid 7503] <... memfd_create resumed>) = 3 [pid 7503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7504] memfd_create("syzkaller", 0 [pid 7503] <... mmap resumed>) = 0x7fe58005a000 [pid 7504] <... memfd_create resumed>) = 3 [pid 7504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 210.823005][ T7495] reiserfs: using flush barriers [pid 7499] <... write resumed>) = 4194304 [pid 7499] munmap(0x7fe58005a000, 4194304) = 0 [pid 7499] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7499] ioctl(4, LOOP_SET_FD, 3 [pid 7503] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 210.847539][ T7495] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 210.886771][ T7499] loop4: detected capacity change from 0 to 8192 [pid 7499] <... ioctl resumed>) = 0 [pid 7499] close(3) = 0 [pid 7499] mkdir("./bus", 0777) = 0 [pid 7499] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 210.911242][ T7495] REISERFS (device loop1): checking transaction log (loop1) [ 210.929148][ T7499] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 210.943603][ T7495] REISERFS (device loop1): Using r5 hash to sort names [pid 7504] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7503] <... write resumed>) = 4194304 [pid 7503] munmap(0x7fe58005a000, 4194304) = 0 [pid 7503] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 210.950706][ T7495] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 210.960048][ T7499] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 210.970182][ T7495] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 210.972593][ T7499] REISERFS (device loop4): using ordered data mode [ 210.986021][ T7503] loop2: detected capacity change from 0 to 8192 [ 210.988505][ T7499] reiserfs: using flush barriers [pid 7503] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7503] close(3) = 0 [pid 7503] mkdir("./bus", 0777) = 0 [pid 7503] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7495] <... mount resumed>) = 0 [pid 7495] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7495] chdir("./bus") = 0 [ 211.000722][ T7499] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 211.017256][ T7499] REISERFS (device loop4): checking transaction log (loop4) [ 211.025547][ T7499] REISERFS (device loop4): Using r5 hash to sort names [ 211.032959][ T7499] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 211.046368][ T7499] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7495] ioctl(4, LOOP_CLR_FD) = 0 [pid 7495] close(4) = 0 [pid 7495] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7493] <... futex resumed>) = 0 [pid 7495] mkdir("./file1", 000 [pid 7493] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... mkdir resumed>) = 0 [pid 7493] <... futex resumed>) = 0 [pid 7495] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7495] <... futex resumed>) = 0 [pid 7493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7495] mkdir("./bus", 000 [pid 7493] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... mkdir resumed>) = 0 [pid 7493] <... futex resumed>) = 0 [pid 7495] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7495] <... futex resumed>) = 0 [pid 7493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7495] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7493] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7493] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7499] <... mount resumed>) = 0 [ 211.057810][ T7503] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 211.067658][ T7495] overlayfs: upper fs needs to support d_type. [ 211.099055][ T7503] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7499] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7499] chdir("./bus" [pid 7504] <... write resumed>) = 4194304 [pid 7499] <... chdir resumed>) = 0 [pid 7504] munmap(0x7fe58005a000, 4194304 [pid 7499] ioctl(4, LOOP_CLR_FD [pid 7493] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7493] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7493] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7493] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7507], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7507 [pid 7493] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7493] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7507 attached [pid 7504] <... munmap resumed>) = 0 [pid 7499] <... ioctl resumed>) = 0 [pid 7507] set_robust_list(0x7fe5804599e0, 24 [pid 7499] close(4 [pid 7507] <... set_robust_list resumed>) = 0 [pid 7504] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7499] <... close resumed>) = 0 [pid 7504] <... openat resumed>) = 4 [pid 7504] ioctl(4, LOOP_SET_FD, 3 [pid 7507] mkdir(".", 0777 [ 211.106875][ T7495] overlayfs: upper fs does not support tmpfile. [ 211.115442][ T7495] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 211.116806][ T7503] REISERFS (device loop2): using ordered data mode [ 211.125061][ T7495] overlayfs: failed to resolve './file0': -2 [ 211.130760][ T7503] reiserfs: using flush barriers [ 211.144182][ T7504] loop5: detected capacity change from 0 to 8192 [pid 7499] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7498] <... futex resumed>) = 0 [pid 7507] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7499] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7498] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7507] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7498] <... futex resumed>) = 0 [pid 7499] mkdir("./file1", 000 [pid 7498] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7499] <... mkdir resumed>) = 0 [pid 7499] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7498] <... futex resumed>) = 0 [pid 7499] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7498] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7498] <... futex resumed>) = 0 [pid 7499] mkdir("./bus", 000 [pid 7498] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7499] <... mkdir resumed>) = 0 [pid 7499] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7498] <... futex resumed>) = 0 [pid 7499] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7498] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7498] <... futex resumed>) = 0 [pid 7499] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7498] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7495] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 211.162616][ T7503] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 211.169556][ T7507] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 211.180363][ T7503] REISERFS (device loop2): checking transaction log (loop2) [ 211.202786][ T7499] overlayfs: upper fs needs to support d_type. [pid 7495] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7504] <... ioctl resumed>) = 0 [pid 7495] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7504] close(3) = 0 [pid 7504] mkdir("./bus", 0777) = 0 [pid 7504] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7507] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7507] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] <... futex resumed>) = 0 [pid 7498] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7493] exit_group(0 [pid 7498] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... futex resumed>) = ? [pid 7493] <... exit_group resumed>) = ? [ 211.209038][ T7499] overlayfs: upper fs does not support tmpfile. [ 211.211992][ T7503] REISERFS (device loop2): Using r5 hash to sort names [ 211.222695][ T7499] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 211.223327][ T7503] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 211.234765][ T7499] overlayfs: failed to resolve './file0': -2 [ 211.242767][ T7503] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7507] <... futex resumed>) = ? [pid 7503] <... mount resumed>) = 0 [pid 7498] <... futex resumed>) = 0 [pid 7495] +++ exited with 0 +++ [pid 7498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7498] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7498] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7509], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7509 [pid 7498] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7503] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7498] <... futex resumed>) = 0 [pid 7503] <... openat resumed>) = 3 [pid 7498] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7503] chdir("./bus") = 0 [pid 7503] ioctl(4, LOOP_CLR_FD) = 0 [pid 7503] close(4) = 0 [pid 7503] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7503] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7509 attached [pid 7501] <... futex resumed>) = 0 [pid 7507] +++ exited with 0 +++ [pid 7493] +++ exited with 0 +++ [pid 7509] set_robust_list(0x7fe5804599e0, 24 [pid 7501] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7493, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 7509] <... set_robust_list resumed>) = 0 [pid 7501] <... futex resumed>) = 1 [pid 7503] <... futex resumed>) = 0 [pid 7503] mkdir("./file1", 000) = 0 [pid 7501] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7503] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7509] mkdir(".", 0777 [pid 7501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7503] <... futex resumed>) = 0 [pid 7509] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7503] mkdir("./bus", 000 [pid 7501] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7509] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7503] <... mkdir resumed>) = 0 [pid 7501] <... futex resumed>) = 0 [pid 7503] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7503] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7501] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 211.252012][ T7504] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 211.274600][ T7504] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 211.291928][ T7504] REISERFS (device loop5): using ordered data mode [ 211.294866][ T7509] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7501] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 7501] <... futex resumed>) = 1 [pid 5004] fstat(3, [pid 7501] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7503] <... futex resumed>) = 0 [pid 5004] getdents64(3, [pid 7503] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7509] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7509] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7498] <... futex resumed>) = 0 [ 211.299070][ T7504] reiserfs: using flush barriers [ 211.320953][ T7503] overlayfs: upper fs needs to support d_type. [ 211.328986][ T7504] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 211.335382][ T7503] overlayfs: upper fs does not support tmpfile. [ 211.345891][ T7504] REISERFS (device loop5): checking transaction log (loop5) [pid 7509] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7501] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7499] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7499] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7499] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7501] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7504] <... mount resumed>) = 0 [pid 7501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7498] exit_group(0 [pid 7504] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7498] <... exit_group resumed>) = ? [pid 7509] <... futex resumed>) = ? [pid 7504] <... openat resumed>) = 3 [pid 7501] <... mmap resumed>) = 0x7fe580439000 [pid 7499] <... futex resumed>) = ? [pid 7509] +++ exited with 0 +++ [pid 7501] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7499] +++ exited with 0 +++ [pid 7498] +++ exited with 0 +++ [pid 7501] <... mprotect resumed>) = 0 [pid 7501] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7510], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7510 [pid 7501] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7501] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7510 attached [pid 7510] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7498, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=23 /* 0.23 s */} --- [pid 7504] chdir("./bus") = 0 [pid 7504] ioctl(4, LOOP_CLR_FD [pid 5007] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7510] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7510] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7504] <... ioctl resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7504] close(4 [pid 5007] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7504] <... close resumed>) = 0 [pid 7503] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5007] <... openat resumed>) = 3 [pid 7504] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7503] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7504] <... futex resumed>) = 1 [pid 7503] <... futex resumed>) = 0 [pid 7502] <... futex resumed>) = 0 [pid 5007] fstat(3, [pid 7504] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7503] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 211.355390][ T7503] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 211.359777][ T7504] REISERFS (device loop5): Using r5 hash to sort names [ 211.368180][ T7503] overlayfs: failed to resolve './file0': -2 [ 211.373731][ T7504] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 211.392214][ T7504] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7502] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7502] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7510] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7510] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7504] mkdir("./file1", 000 [pid 7510] <... futex resumed>) = 1 [pid 7504] <... mkdir resumed>) = 0 [pid 7501] <... futex resumed>) = 0 [pid 7510] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7504] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7501] exit_group(0 [pid 7510] <... futex resumed>) = ? [pid 7504] <... futex resumed>) = 1 [pid 7503] <... futex resumed>) = ? [pid 7502] <... futex resumed>) = 0 [pid 7501] <... exit_group resumed>) = ? [pid 5004] <... umount2 resumed>) = 0 [pid 7510] +++ exited with 0 +++ [pid 7504] mkdir("./bus", 000 [pid 7503] +++ exited with 0 +++ [pid 7502] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7501] +++ exited with 0 +++ [pid 5004] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7504] <... mkdir resumed>) = 0 [pid 7502] <... futex resumed>) = 0 [pid 7504] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7501, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7504] <... futex resumed>) = 0 [pid 7502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5004] lstat("./143/bus", [pid 7504] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7502] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... restart_syscall resumed>) = 0 [pid 7504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7502] <... futex resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7504] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7502] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 211.423076][ T7510] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] umount2("./143/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./143/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(4, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, [pid 5005] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5004] rmdir("./143/bus") = 0 [pid 5004] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./143/binderfs", [pid 5005] fstat(3, [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./143/binderfs") = 0 [pid 5004] getdents64(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./143") = 0 [pid 5004] mkdir("./144", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 5005] getdents64(3, [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7511 [pid 5005] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7502] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 7511 attached [pid 7511] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7511] chdir("./144") = 0 [pid 7502] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7511] setpgid(0, 0 [pid 7502] <... mmap resumed>) = 0x7fe580439000 [pid 7511] <... setpgid resumed>) = 0 [pid 7511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 211.476957][ T7504] overlayfs: upper fs needs to support d_type. [ 211.486069][ T7504] overlayfs: upper fs does not support tmpfile. [pid 7502] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7511] write(3, "1000", 4) = 4 [pid 7511] close(3) = 0 [pid 7511] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7502] <... mprotect resumed>) = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 7511] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7511] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7502] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7512 attached [pid 7511] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7512] set_robust_list(0x7fe5804599e0, 24 [pid 7502] <... clone resumed>, parent_tid=[7512], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7512 [pid 5007] lstat("./144/bus", [pid 7512] <... set_robust_list resumed>) = 0 [pid 7511] <... clone resumed>, parent_tid=[7513], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7513 [pid 7502] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7513 attached [pid 7512] mkdir(".", 0777 [pid 7511] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] <... futex resumed>) = 0 [pid 5007] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7513] set_robust_list(0x7fe58847a9e0, 24 [pid 7512] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7511] <... futex resumed>) = 0 [pid 7502] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = 0 [pid 7513] <... set_robust_list resumed>) = 0 [pid 7512] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7511] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] openat(AT_FDCWD, "./144/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7513] memfd_create("syzkaller", 0 [pid 5007] <... openat resumed>) = 4 [pid 5005] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] fstat(4, [pid 7513] <... memfd_create resumed>) = 3 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] getdents64(4, [pid 5005] lstat("./145/bus", [pid 7504] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7513] <... mmap resumed>) = 0x7fe58005a000 [pid 7504] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] getdents64(4, [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7504] <... futex resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [ 211.534481][ T7504] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 211.547486][ T7504] overlayfs: failed to resolve './file0': -2 [pid 7504] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] close(4) = 0 [pid 5007] rmdir("./144/bus" [pid 5005] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] <... rmdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./145/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7512] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... openat resumed>) = 4 [pid 5005] fstat(4, [pid 7512] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7502] <... futex resumed>) = 0 [pid 5007] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7512] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7502] exit_group(0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] getdents64(4, [pid 7512] <... futex resumed>) = ? [pid 7504] <... futex resumed>) = ? [pid 7502] <... exit_group resumed>) = ? [pid 5007] lstat("./144/binderfs", [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7512] +++ exited with 0 +++ [pid 7504] +++ exited with 0 +++ [pid 7502] +++ exited with 0 +++ [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7502, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5005] close(4 [pid 5007] unlink("./144/binderfs") = 0 [pid 5005] <... close resumed>) = 0 [pid 5008] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] rmdir("./145/bus" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5008] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5007] close(3 [pid 5005] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] fstat(3, [pid 5007] <... close resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] rmdir("./144" [pid 5008] getdents64(3, [pid 5007] <... rmdir resumed>) = 0 [pid 5005] lstat("./145/binderfs", [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] mkdir("./145", 0777 [pid 5008] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... mkdir resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7513] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5005] unlink("./145/binderfs") = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5005] getdents64(3, [pid 5007] <... openat resumed>) = 3 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5005] close(3 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] <... close resumed>) = 0 [pid 5007] close(3 [pid 5005] rmdir("./145" [pid 5007] <... close resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5005] mkdir("./146", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7514 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7515 [ 211.598515][ T7512] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" ./strace-static-x86_64: Process 7515 attached [pid 7515] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7515] chdir("./145") = 0 [pid 7515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7515] setpgid(0, 0) = 0 [pid 7515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 7514 attached [pid 7515] write(3, "1000", 4 [pid 7514] set_robust_list(0x5555568c85e0, 24 [pid 7515] <... write resumed>) = 4 [pid 7515] close(3) = 0 [pid 7515] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7515] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7514] <... set_robust_list resumed>) = 0 [pid 7515] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7514] chdir("./146" [pid 7515] <... mprotect resumed>) = 0 [pid 7514] <... chdir resumed>) = 0 [pid 7515] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7515] <... clone resumed>, parent_tid=[7516], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7516 [pid 7514] setpgid(0, 0 [pid 7515] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7514] <... setpgid resumed>) = 0 [pid 7515] <... futex resumed>) = 0 [pid 7515] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7516 attached [pid 7516] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7516] memfd_create("syzkaller", 0) = 3 [pid 7516] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7514] write(3, "1000", 4) = 4 [pid 7514] close(3) = 0 [pid 7514] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7514] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7514] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7514] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7517], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7517 [pid 7514] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7514] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./146/bus", ./strace-static-x86_64: Process 7517 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7517] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5008] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7517] memfd_create("syzkaller", 0 [pid 7513] <... write resumed>) = 4194304 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7517] <... memfd_create resumed>) = 3 [pid 7513] munmap(0x7fe58005a000, 4194304 [pid 5008] openat(AT_FDCWD, "./146/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7513] <... munmap resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 7517] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./146/bus" [pid 7516] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7513] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... rmdir resumed>) = 0 [pid 5008] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./146/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./146") = 0 [pid 5008] mkdir("./147", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 7513] <... openat resumed>) = 4 [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7513] ioctl(4, LOOP_SET_FD, 3 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7518 ./strace-static-x86_64: Process 7518 attached [pid 7518] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7518] chdir("./147") = 0 [pid 7518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7518] setpgid(0, 0) = 0 [pid 7518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7518] write(3, "1000", 4) = 4 [pid 7518] close(3) = 0 [pid 7518] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7518] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7518] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7518] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7513] <... ioctl resumed>) = 0 [pid 7518] <... clone resumed>, parent_tid=[7519], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7519 [pid 7518] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7513] close(3) = 0 [pid 7518] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7519 attached [pid 7519] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7513] mkdir("./bus", 0777 [pid 7519] memfd_create("syzkaller", 0 [pid 7513] <... mkdir resumed>) = 0 [pid 7513] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7519] <... memfd_create resumed>) = 3 [pid 7519] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 211.785952][ T7513] loop1: detected capacity change from 0 to 8192 [ 211.809212][ T7513] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7517] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7516] <... write resumed>) = 4194304 [pid 7516] munmap(0x7fe58005a000, 4194304) = 0 [pid 7516] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7516] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7516] close(3) = 0 [pid 7516] mkdir("./bus", 0777) = 0 [pid 7516] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 211.851815][ T7513] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 211.864226][ T7513] REISERFS (device loop1): using ordered data mode [ 211.867982][ T7516] loop4: detected capacity change from 0 to 8192 [ 211.881271][ T7513] reiserfs: using flush barriers [pid 7519] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7517] <... write resumed>) = 4194304 [ 211.892112][ T7516] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 211.905354][ T7513] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 211.915919][ T7516] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 211.931284][ T7516] REISERFS (device loop4): using ordered data mode [ 211.937817][ T7516] reiserfs: using flush barriers [pid 7517] munmap(0x7fe58005a000, 4194304) = 0 [pid 7517] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 211.945595][ T7516] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 211.946703][ T7513] REISERFS (device loop1): checking transaction log (loop1) [ 211.969453][ T7516] REISERFS (device loop4): checking transaction log (loop4) [ 211.977971][ T7516] REISERFS (device loop4): Using r5 hash to sort names [ 211.984015][ T7517] loop2: detected capacity change from 0 to 8192 [pid 7517] ioctl(4, LOOP_SET_FD, 3 [pid 7519] <... write resumed>) = 4194304 [pid 7519] munmap(0x7fe58005a000, 4194304) = 0 [pid 7517] <... ioctl resumed>) = 0 [pid 7516] <... mount resumed>) = 0 [pid 7517] close(3) = 0 [pid 7517] mkdir("./bus", 0777 [pid 7519] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7519] ioctl(4, LOOP_SET_FD, 3 [pid 7516] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7517] <... mkdir resumed>) = 0 [pid 7517] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7519] <... ioctl resumed>) = 0 [pid 7519] close(3) = 0 [pid 7519] mkdir("./bus", 0777) = 0 [pid 7519] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7516] chdir("./bus") = 0 [pid 7513] <... mount resumed>) = 0 [pid 7516] ioctl(4, LOOP_CLR_FD [pid 7513] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7516] <... ioctl resumed>) = 0 [ 211.985609][ T7516] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 212.004025][ T7516] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 212.014799][ T7513] REISERFS (device loop1): Using r5 hash to sort names [ 212.022568][ T7513] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 212.023511][ T7519] loop5: detected capacity change from 0 to 8192 [ 212.035646][ T7513] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7516] close(4 [pid 7513] <... openat resumed>) = 3 [pid 7516] <... close resumed>) = 0 [pid 7516] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7516] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7513] chdir("./bus" [pid 7515] <... futex resumed>) = 0 [pid 7513] <... chdir resumed>) = 0 [pid 7513] ioctl(4, LOOP_CLR_FD) = 0 [pid 7513] close(4) = 0 [pid 7513] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7511] <... futex resumed>) = 0 [ 212.052716][ T7517] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 212.065876][ T7517] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 212.075201][ T7517] REISERFS (device loop2): using ordered data mode [ 212.075828][ T7519] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 212.081794][ T7517] reiserfs: using flush barriers [pid 7513] mkdir("./file1", 000 [pid 7511] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7515] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7513] <... mkdir resumed>) = 0 [pid 7515] <... futex resumed>) = 1 [pid 7515] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7516] <... futex resumed>) = 0 [pid 7513] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] <... futex resumed>) = 0 [pid 7516] mkdir("./file1", 000) = 0 [pid 7513] <... futex resumed>) = 0 [pid 7511] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7516] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7516] <... futex resumed>) = 1 [pid 7511] <... futex resumed>) = 0 [pid 7516] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7511] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7513] mkdir("./bus", 000) = 0 [pid 7515] <... futex resumed>) = 0 [pid 7513] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7511] <... futex resumed>) = 0 [pid 7513] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7511] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7511] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 212.100019][ T7517] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 212.117548][ T7517] REISERFS (device loop2): checking transaction log (loop2) [ 212.125608][ T7519] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 212.132338][ T7513] overlayfs: upper fs needs to support d_type. [ 212.135097][ T7519] REISERFS (device loop5): using ordered data mode [pid 7515] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7516] <... futex resumed>) = 0 [pid 7515] <... futex resumed>) = 1 [pid 7516] mkdir("./bus", 000) = 0 [pid 7516] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7516] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7515] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7511] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7511] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7511] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7511] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7524], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7524 [pid 7511] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7511] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 212.146385][ T7513] overlayfs: upper fs does not support tmpfile. [ 212.147739][ T7519] reiserfs: using flush barriers [ 212.158873][ T7517] REISERFS (device loop2): Using r5 hash to sort names [ 212.167181][ T7517] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 212.178971][ T7513] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 212.179967][ T7519] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7515] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7524 attached [pid 7517] <... mount resumed>) = 0 [pid 7516] <... futex resumed>) = 0 [pid 7515] <... futex resumed>) = 1 [pid 7524] set_robust_list(0x7fe5804599e0, 24 [pid 7517] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7516] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7515] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7517] <... openat resumed>) = 3 [pid 7513] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7517] chdir("./bus") = 0 [pid 7517] ioctl(4, LOOP_CLR_FD) = 0 [ 212.203111][ T7517] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 212.213999][ T7513] overlayfs: failed to resolve './file0': -2 [ 212.214716][ T7519] REISERFS (device loop5): checking transaction log (loop5) [ 212.232705][ T7519] REISERFS (device loop5): Using r5 hash to sort names [ 212.239760][ T7519] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7517] close(4) = 0 [pid 7517] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7514] <... futex resumed>) = 0 [pid 7517] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7514] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7514] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7513] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] <... futex resumed>) = 0 [pid 7517] mkdir("./file1", 000) = 0 [pid 7517] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7517] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7514] <... futex resumed>) = 0 [pid 7513] <... futex resumed>) = 0 [pid 7514] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7513] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7514] <... futex resumed>) = 1 [pid 7514] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7517] <... futex resumed>) = 0 [pid 7517] mkdir("./bus", 000) = 0 [pid 7517] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7514] <... futex resumed>) = 0 [pid 7514] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7514] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7517] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7524] <... set_robust_list resumed>) = 0 [pid 7515] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7515] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7515] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7515] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7524] mkdir(".", 0777 [pid 7515] <... clone resumed>, parent_tid=[7525], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7525 [pid 7515] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7515] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7524] <... mkdir resumed>) = -1 EEXIST (File exists) [ 212.242927][ T7516] overlayfs: upper fs needs to support d_type. [ 212.252707][ T7519] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 212.271864][ T7517] overlayfs: upper fs needs to support d_type. [ 212.282046][ T7517] overlayfs: upper fs does not support tmpfile. [ 212.289722][ T7517] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7524] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7525 attached [pid 7525] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7525] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7525] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7519] <... mount resumed>) = 0 [pid 7519] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7519] chdir("./bus") = 0 [pid 7519] ioctl(4, LOOP_CLR_FD) = 0 [pid 7519] close(4) = 0 [pid 7519] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7519] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7518] <... futex resumed>) = 0 [pid 7514] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7518] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7514] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7519] <... futex resumed>) = 0 [pid 7518] <... futex resumed>) = 1 [pid 7514] <... futex resumed>) = 0 [pid 7519] mkdir("./file1", 000 [pid 7518] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7519] <... mkdir resumed>) = 0 [pid 7514] <... mmap resumed>) = 0x7fe580439000 [pid 7519] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7514] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7519] <... futex resumed>) = 1 [pid 7518] <... futex resumed>) = 0 [pid 7514] <... mprotect resumed>) = 0 [pid 7519] mkdir("./bus", 000 [pid 7518] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7514] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7519] <... mkdir resumed>) = 0 [pid 7518] <... futex resumed>) = 0 [pid 7519] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7518] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7514] <... clone resumed>, parent_tid=[7526], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7526 [pid 7519] <... futex resumed>) = 0 [pid 7518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7514] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7519] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 212.294648][ T7524] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 212.302247][ T7525] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 212.312202][ T7516] overlayfs: upper fs does not support tmpfile. [ 212.329602][ T7517] overlayfs: failed to resolve './file0': -2 [ 212.346157][ T7519] overlayfs: upper fs needs to support d_type. [pid 7518] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7514] <... futex resumed>) = 0 [pid 7524] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7518] <... futex resumed>) = 0 [pid 7518] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7514] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7524] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7511] <... futex resumed>) = 0 [pid 7524] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7511] exit_group(0 [pid 7525] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7524] <... futex resumed>) = ? [pid 7513] <... futex resumed>) = ? [pid 7511] <... exit_group resumed>) = ? [pid 7525] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7524] +++ exited with 0 +++ [pid 7517] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7513] +++ exited with 0 +++ [pid 7517] <... futex resumed>) = 0 [pid 7517] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7526 attached [pid 7526] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7526] mkdir(".", 0777 [pid 7525] <... futex resumed>) = 1 [pid 7515] <... futex resumed>) = 0 [pid 7511] +++ exited with 0 +++ [pid 7526] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7526] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7525] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7516] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7511, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 7516] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7516] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7515] exit_group(0) = ? [pid 7525] <... futex resumed>) = ? [pid 7516] <... futex resumed>) = ? [pid 7525] +++ exited with 0 +++ [pid 7516] +++ exited with 0 +++ [pid 7515] +++ exited with 0 +++ [pid 5004] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7515, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=23 /* 0.23 s */} --- [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 212.354563][ T7516] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 212.365341][ T7516] overlayfs: failed to resolve './file0': -2 [ 212.376179][ T7519] overlayfs: upper fs does not support tmpfile. [ 212.392246][ T7519] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5007] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7518] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5007] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7518] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 7518] <... futex resumed>) = 0 [pid 7518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] fstat(3, [pid 7518] <... mmap resumed>) = 0x7fe580439000 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7518] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7519] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7518] <... mprotect resumed>) = 0 [pid 7519] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7526] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7518] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7519] <... futex resumed>) = 0 [pid 7526] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7519] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7526] <... futex resumed>) = 1 [pid 7514] <... futex resumed>) = 0 [pid 7526] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7518] <... clone resumed>, parent_tid=[7527], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7527 [pid 7514] exit_group(0 [pid 7526] <... futex resumed>) = ? [pid 7518] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] <... futex resumed>) = ? [pid 7514] <... exit_group resumed>) = ? [pid 7526] +++ exited with 0 +++ [pid 7517] +++ exited with 0 +++ [pid 7514] +++ exited with 0 +++ [pid 7518] <... futex resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7514, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 7518] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 212.400650][ T7519] overlayfs: failed to resolve './file0': -2 [ 212.409607][ T7526] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7527 attached [pid 5007] <... umount2 resumed>) = 0 [pid 7527] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 5007] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7527] mkdir(".", 0777 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7527] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7527] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5007] lstat("./145/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./145/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./145/bus") = 0 [pid 5007] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./146/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./146/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./145/binderfs", [pid 5005] <... close resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] rmdir("./146/bus" [pid 5007] unlink("./145/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5007] rmdir("./145" [pid 5005] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./146/binderfs" [pid 5007] mkdir("./146", 0777 [pid 5005] <... unlink resumed>) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./146") = 0 [pid 5005] mkdir("./147", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7528 ./strace-static-x86_64: Process 7528 attached [pid 7528] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7528] chdir("./147" [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7529 ./strace-static-x86_64: Process 7529 attached [pid 7529] set_robust_list(0x5555568c85e0, 24 [pid 7528] <... chdir resumed>) = 0 [ 212.507295][ T7527] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7529] <... set_robust_list resumed>) = 0 [pid 7528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7529] chdir("./146" [pid 7528] setpgid(0, 0) = 0 [pid 7528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7529] <... chdir resumed>) = 0 [pid 7529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7529] setpgid(0, 0) = 0 [pid 7529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7528] <... openat resumed>) = 3 [pid 7528] write(3, "1000", 4 [pid 7529] <... openat resumed>) = 3 [pid 7528] <... write resumed>) = 4 [pid 7529] write(3, "1000", 4 [pid 7528] close(3) = 0 [pid 7529] <... write resumed>) = 4 [pid 7528] symlink("/dev/binderfs", "./binderfs" [pid 7529] close(3 [pid 7528] <... symlink resumed>) = 0 [pid 7529] <... close resumed>) = 0 [pid 7528] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7529] symlink("/dev/binderfs", "./binderfs" [pid 7528] <... mmap resumed>) = 0x7fe58845a000 [pid 7528] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7529] <... symlink resumed>) = 0 [pid 7528] <... mprotect resumed>) = 0 [pid 7529] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7528] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7529] <... futex resumed>) = 0 [pid 7529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7528] <... clone resumed>, parent_tid=[7530], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7530 [pid 7528] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] <... mmap resumed>) = 0x7fe58845a000 [pid 7528] <... futex resumed>) = 0 [pid 7528] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7529] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7527] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7527] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7527] <... futex resumed>) = 1 [pid 7518] <... futex resumed>) = 0 [pid 7527] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7530 attached [pid 7529] <... clone resumed>, parent_tid=[7531], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7531 [pid 7518] exit_group(0 [pid 7529] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7527] <... futex resumed>) = ? [pid 7519] <... futex resumed>) = ? [pid 7518] <... exit_group resumed>) = ? [pid 7529] <... futex resumed>) = 0 [pid 7527] +++ exited with 0 +++ [pid 7519] +++ exited with 0 +++ [pid 7530] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7530] memfd_create("syzkaller", 0) = 3 [pid 7518] +++ exited with 0 +++ [pid 7529] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7530] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7518, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 7530] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7531 attached [pid 5004] <... umount2 resumed>) = 0 [pid 7531] set_robust_list(0x7fe58847a9e0, 24 [pid 5004] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7531] <... set_robust_list resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7531] memfd_create("syzkaller", 0 [pid 5004] lstat("./144/bus", [pid 7531] <... memfd_create resumed>) = 3 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] umount2("./144/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7531] <... mmap resumed>) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./144/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./144/bus") = 0 [pid 5004] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./144/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./144") = 0 [pid 5004] mkdir("./145", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7532 ./strace-static-x86_64: Process 7532 attached [pid 7532] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7532] chdir("./145") = 0 [pid 7532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7532] setpgid(0, 0) = 0 [pid 7532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7532] write(3, "1000", 4) = 4 [pid 7532] close(3) = 0 [pid 7532] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7532] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7532] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7532] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7533], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7533 [pid 7532] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7532] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7533 attached [pid 7533] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7533] memfd_create("syzkaller", 0) = 3 [pid 7533] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7530] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7533] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./147/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7531] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./147/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./147/bus") = 0 [pid 5008] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./147/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./147") = 0 [pid 5008] mkdir("./148", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7534 ./strace-static-x86_64: Process 7534 attached [pid 7534] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7534] chdir("./148") = 0 [pid 7534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7534] setpgid(0, 0) = 0 [pid 7534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7534] write(3, "1000", 4) = 4 [pid 7534] close(3) = 0 [pid 7534] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7534] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7534] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7534] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7535], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7535 [pid 7534] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7534] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7535 attached [pid 7535] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7535] memfd_create("syzkaller", 0) = 3 [pid 7535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7533] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7530] <... write resumed>) = 4194304 [pid 7530] munmap(0x7fe58005a000, 4194304) = 0 [pid 7530] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7530] ioctl(4, LOOP_SET_FD, 3 [pid 7531] <... write resumed>) = 4194304 [pid 7530] <... ioctl resumed>) = 0 [pid 7530] close(3 [pid 7531] munmap(0x7fe58005a000, 4194304 [pid 7530] <... close resumed>) = 0 [pid 7530] mkdir("./bus", 0777 [pid 7531] <... munmap resumed>) = 0 [pid 7530] <... mkdir resumed>) = 0 [pid 7531] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7530] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7531] <... openat resumed>) = 4 [pid 7531] ioctl(4, LOOP_SET_FD, 3 [pid 7535] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7531] <... ioctl resumed>) = 0 [ 212.807081][ T7530] loop2: detected capacity change from 0 to 8192 [ 212.844728][ T7531] loop4: detected capacity change from 0 to 8192 [pid 7533] <... write resumed>) = 4194304 [pid 7533] munmap(0x7fe58005a000, 4194304) = 0 [pid 7533] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7533] ioctl(4, LOOP_SET_FD, 3 [pid 7531] close(3) = 0 [pid 7531] mkdir("./bus", 0777 [pid 7533] <... ioctl resumed>) = 0 [pid 7533] close(3) = 0 [pid 7533] mkdir("./bus", 0777 [pid 7531] <... mkdir resumed>) = 0 [pid 7531] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7533] <... mkdir resumed>) = 0 [ 212.852977][ T7530] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 212.864620][ T7533] loop1: detected capacity change from 0 to 8192 [ 212.880638][ T7530] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 212.890439][ T7531] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7533] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7535] <... write resumed>) = 4194304 [pid 7535] munmap(0x7fe58005a000, 4194304) = 0 [ 212.890968][ T7533] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 212.918001][ T7531] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 212.923400][ T7530] REISERFS (device loop2): using ordered data mode [ 212.928705][ T7531] REISERFS (device loop4): using ordered data mode [ 212.934779][ T7530] reiserfs: using flush barriers [ 212.941842][ T7531] reiserfs: using flush barriers [pid 7535] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 212.947909][ T7533] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 212.951838][ T7531] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 212.961302][ T7533] REISERFS (device loop1): using ordered data mode [ 212.975879][ T7531] REISERFS (device loop4): checking transaction log (loop4) [ 212.983300][ T7530] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7535] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7535] close(3) = 0 [pid 7535] mkdir("./bus", 0777) = 0 [ 212.989560][ T7533] reiserfs: using flush barriers [ 213.006987][ T7535] loop5: detected capacity change from 0 to 8192 [ 213.012004][ T7530] REISERFS (device loop2): checking transaction log (loop2) [ 213.025101][ T7533] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 213.027701][ T7530] REISERFS (device loop2): Using r5 hash to sort names [ 213.041645][ T7533] REISERFS (device loop1): checking transaction log (loop1) [ 213.049345][ T7531] REISERFS (device loop4): Using r5 hash to sort names [ 213.055793][ T7530] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 213.063261][ T7535] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 213.075684][ T7531] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 213.089071][ T7533] REISERFS (device loop1): Using r5 hash to sort names [pid 7535] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7531] <... mount resumed>) = 0 [pid 7531] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 213.101097][ T7531] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 213.108905][ T7530] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 213.117326][ T7535] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 213.127842][ T7533] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 213.135622][ T7535] REISERFS (device loop5): using ordered data mode [ 213.154616][ T7535] reiserfs: using flush barriers [pid 7531] chdir("./bus" [pid 7530] <... mount resumed>) = 0 [pid 7530] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7530] chdir("./bus") = 0 [pid 7530] ioctl(4, LOOP_CLR_FD) = 0 [pid 7530] close(4 [pid 7531] <... chdir resumed>) = 0 [pid 7531] ioctl(4, LOOP_CLR_FD [pid 7533] <... mount resumed>) = 0 [pid 7531] <... ioctl resumed>) = 0 [pid 7533] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7531] close(4 [pid 7530] <... close resumed>) = 0 [pid 7530] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7528] <... futex resumed>) = 0 [pid 7528] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7528] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7530] <... futex resumed>) = 1 [pid 7530] mkdir("./file1", 000) = 0 [pid 7530] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7528] <... futex resumed>) = 0 [pid 7530] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7528] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7528] <... futex resumed>) = 0 [pid 7533] <... openat resumed>) = 3 [pid 7531] <... close resumed>) = 0 [pid 7528] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7533] chdir("./bus" [pid 7531] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] <... chdir resumed>) = 0 [pid 7530] mkdir("./bus", 000) = 0 [ 213.161306][ T7533] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 213.172311][ T7535] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 213.190589][ T7535] REISERFS (device loop5): checking transaction log (loop5) [ 213.199624][ T7535] REISERFS (device loop5): Using r5 hash to sort names [pid 7530] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7528] <... futex resumed>) = 0 [pid 7530] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7528] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] ioctl(4, LOOP_CLR_FD [pid 7531] <... futex resumed>) = 1 [pid 7529] <... futex resumed>) = 0 [pid 7528] <... futex resumed>) = 0 [pid 7529] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7528] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7535] <... mount resumed>) = 0 [pid 7533] <... ioctl resumed>) = 0 [pid 7531] mkdir("./file1", 000 [pid 7529] <... futex resumed>) = 0 [pid 7529] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7535] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7533] close(4 [pid 7531] <... mkdir resumed>) = 0 [pid 7535] <... openat resumed>) = 3 [pid 7535] chdir("./bus" [pid 7533] <... close resumed>) = 0 [pid 7531] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... chdir resumed>) = 0 [pid 7533] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7531] <... futex resumed>) = 1 [pid 7535] ioctl(4, LOOP_CLR_FD [pid 7533] <... futex resumed>) = 1 [pid 7532] <... futex resumed>) = 0 [pid 7531] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7535] <... ioctl resumed>) = 0 [pid 7533] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7532] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] close(4 [pid 7533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7532] <... futex resumed>) = 0 [pid 7535] <... close resumed>) = 0 [pid 7533] mkdir("./file1", 000 [pid 7532] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7535] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] <... futex resumed>) = 0 [pid 7535] <... futex resumed>) = 1 [pid 7534] <... futex resumed>) = 0 [pid 7533] <... mkdir resumed>) = 0 [pid 7529] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7531] <... futex resumed>) = 0 [pid 7529] <... futex resumed>) = 1 [pid 7531] mkdir("./bus", 000 [pid 7529] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7531] <... mkdir resumed>) = 0 [pid 7531] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7529] <... futex resumed>) = 0 [pid 7531] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7529] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7529] <... futex resumed>) = 0 [ 213.207010][ T7535] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 213.214346][ T7530] overlayfs: upper fs needs to support d_type. [ 213.220319][ T7535] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 213.235748][ T7530] overlayfs: upper fs does not support tmpfile. [ 213.245615][ T7530] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 213.252918][ T7531] overlayfs: upper fs needs to support d_type. [pid 7531] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7529] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7534] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7535] mkdir("./file1", 000 [pid 7534] <... futex resumed>) = 0 [pid 7533] <... futex resumed>) = 1 [pid 7532] <... futex resumed>) = 0 [pid 7530] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... mkdir resumed>) = 0 [pid 7534] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7533] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7532] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] <... futex resumed>) = 1 [pid 7528] <... futex resumed>) = 0 [pid 7535] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7532] <... futex resumed>) = 0 [pid 7530] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7528] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... futex resumed>) = 0 [pid 7534] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] mkdir("./bus", 000 [pid 7532] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7528] <... futex resumed>) = 0 [pid 7535] mkdir("./bus", 000 [pid 7534] <... futex resumed>) = 0 [pid 7533] <... mkdir resumed>) = 0 [pid 7530] mkdir(".", 0777 [pid 7528] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7535] <... mkdir resumed>) = 0 [pid 7534] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7533] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7535] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7533] <... futex resumed>) = 1 [pid 7532] <... futex resumed>) = 0 [pid 7530] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7535] <... futex resumed>) = 0 [pid 7534] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7532] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7534] <... futex resumed>) = 0 [pid 7533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7532] <... futex resumed>) = 0 [pid 7534] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7533] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 213.254599][ T7530] overlayfs: failed to resolve './file0': -2 [ 213.259100][ T7531] overlayfs: upper fs does not support tmpfile. [ 213.290266][ T7535] overlayfs: upper fs needs to support d_type. [ 213.297964][ T7533] overlayfs: upper fs needs to support d_type. [pid 7532] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7529] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7529] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7529] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7529] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7540], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7540 [pid 7529] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7529] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7540 attached [pid 7540] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7540] mkdir(".", 0777 [pid 7534] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7532] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7534] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7540] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7540] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7534] <... futex resumed>) = 0 [pid 7532] <... futex resumed>) = 0 [pid 7534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7534] <... mmap resumed>) = 0x7fe580439000 [pid 7532] <... mmap resumed>) = 0x7fe580439000 [pid 7534] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7532] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7534] <... mprotect resumed>) = 0 [pid 7532] <... mprotect resumed>) = 0 [pid 7534] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7532] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7534] <... clone resumed>, parent_tid=[7541], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7541 [pid 7532] <... clone resumed>, parent_tid=[7542], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7542 [pid 7534] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7534] <... futex resumed>) = 0 [pid 7532] <... futex resumed>) = 0 [pid 7534] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7532] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7542 attached [pid 7542] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7542] mkdir(".", 0777) = -1 EEXIST (File exists) [ 213.304877][ T7530] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 213.315097][ T7531] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 213.321815][ T7535] overlayfs: upper fs does not support tmpfile. [ 213.333811][ T7533] overlayfs: upper fs does not support tmpfile. [ 213.349896][ T7533] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7542] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7530] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7530] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7528] <... futex resumed>) = 0 [pid 7528] exit_group(0) = ? ./strace-static-x86_64: Process 7541 attached [pid 7541] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7541] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7541] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7530] +++ exited with 0 +++ [pid 7528] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7528, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [ 213.372220][ T7542] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 213.387275][ T7540] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 213.395749][ T7535] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 213.410901][ T7535] overlayfs: failed to resolve './file0': -2 [pid 5005] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7542] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7542] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7540] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7542] <... futex resumed>) = 1 [pid 7540] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] <... futex resumed>) = 0 [pid 7542] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7540] <... futex resumed>) = 1 [pid 7540] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7535] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7533] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7529] <... futex resumed>) = 0 [pid 7535] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] exit_group(0 [pid 7542] <... futex resumed>) = ? [pid 7535] <... futex resumed>) = 0 [pid 7533] <... futex resumed>) = ? [pid 7532] <... exit_group resumed>) = ? [pid 7542] +++ exited with 0 +++ [pid 7535] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7533] +++ exited with 0 +++ [pid 7532] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7532, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7541] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7541] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7534] <... futex resumed>) = 0 [pid 7534] exit_group(0 [pid 7535] <... futex resumed>) = ? [pid 7534] <... exit_group resumed>) = ? [pid 7535] +++ exited with 0 +++ [pid 7541] <... futex resumed>) = ? [pid 7531] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7541] +++ exited with 0 +++ [pid 7534] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7534, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5008] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7531] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7531] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7529] exit_group(0 [pid 7531] <... futex resumed>) = ? [pid 7529] <... exit_group resumed>) = ? [pid 7540] <... futex resumed>) = ? [pid 7540] +++ exited with 0 +++ [pid 7531] +++ exited with 0 +++ [pid 7529] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7529, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} --- [ 213.421998][ T7533] overlayfs: failed to resolve './file0': -2 [ 213.432626][ T7541] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 213.448200][ T7531] overlayfs: failed to resolve './file0': -2 [pid 5007] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... umount2 resumed>) = 0 [pid 5007] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./147/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./147/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./147/bus") = 0 [pid 5005] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./147/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./147") = 0 [pid 5005] mkdir("./148", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5004] <... umount2 resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7543 ./strace-static-x86_64: Process 7543 attached [pid 7543] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7543] chdir("./148") = 0 [pid 7543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7543] <... prctl resumed>) = 0 [pid 5004] lstat("./145/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7543] setpgid(0, 0) = 0 [pid 5004] umount2("./145/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./145/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, [pid 7543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7543] <... openat resumed>) = 3 [pid 7543] write(3, "1000", 4) = 4 [pid 7543] close(3) = 0 [pid 7543] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5004] close(4 [pid 7543] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7543] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7543] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7544], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7544 [pid 7543] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7543] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./145/bus"./strace-static-x86_64: Process 7544 attached ) = 0 [pid 7544] set_robust_list(0x7fe58847a9e0, 24 [pid 5004] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7544] <... set_robust_list resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./145/binderfs") = 0 [pid 5004] getdents64(3, [pid 7544] memfd_create("syzkaller", 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3 [pid 7544] <... memfd_create resumed>) = 3 [pid 5004] <... close resumed>) = 0 [pid 7544] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] rmdir("./145") = 0 [pid 5004] mkdir("./146", 0777 [pid 7544] <... mmap resumed>) = 0x7fe58005a000 [pid 5004] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./146/bus", [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7545 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./146/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./146/bus"./strace-static-x86_64: Process 7545 attached ) = 0 [pid 7545] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5007] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./146/binderfs", [pid 7545] chdir("./146" [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7545] <... chdir resumed>) = 0 [pid 5007] unlink("./146/binderfs" [pid 7545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... unlink resumed>) = 0 [pid 7545] <... prctl resumed>) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./146") = 0 [pid 5007] mkdir("./147", 0777 [pid 7545] setpgid(0, 0) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 7545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 7545] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 7545] write(3, "1000", 4) = 4 [pid 7545] close(3 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7545] <... close resumed>) = 0 [pid 7545] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7546 [pid 7545] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7545] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... umount2 resumed>) = 0 [pid 7545] <... mprotect resumed>) = 0 [pid 7545] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7546 attached ) = -1 EINVAL (Invalid argument) [pid 7545] <... clone resumed>, parent_tid=[7547], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7547 [pid 5008] lstat("./148/bus", [pid 7545] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7545] <... futex resumed>) = 0 [pid 7546] set_robust_list(0x5555568c85e0, 24 [pid 7545] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./148/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7547 attached [pid 7546] <... set_robust_list resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 7547] set_robust_list(0x7fe58847a9e0, 24 [pid 7546] chdir("./147" [pid 5008] fstat(4, [pid 7546] <... chdir resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7547] <... set_robust_list resumed>) = 0 [pid 7546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] getdents64(4, [pid 7546] <... prctl resumed>) = 0 [pid 7546] setpgid(0, 0) = 0 [pid 7546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7546] write(3, "1000", 4) = 4 [pid 7546] close(3) = 0 [pid 7546] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7546] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7547] memfd_create("syzkaller", 0 [pid 7546] <... mmap resumed>) = 0x7fe58845a000 [pid 5008] getdents64(4, [pid 7547] <... memfd_create resumed>) = 3 [pid 7546] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7546] <... mprotect resumed>) = 0 [pid 5008] close(4 [pid 7547] <... mmap resumed>) = 0x7fe58005a000 [pid 7546] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./148/bus") = 0 [pid 7546] <... clone resumed>, parent_tid=[7548], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7548 [pid 5008] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7546] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7546] <... futex resumed>) = 0 [pid 5008] lstat("./148/binderfs", [pid 7546] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./148/binderfs"./strace-static-x86_64: Process 7548 attached [pid 7548] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./148" [pid 7548] memfd_create("syzkaller", 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7548] <... memfd_create resumed>) = 3 [pid 5008] mkdir("./149", 0777) = 0 [pid 7548] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7548] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] <... openat resumed>) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7549 ./strace-static-x86_64: Process 7549 attached [pid 7549] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7549] chdir("./149" [pid 7544] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7549] <... chdir resumed>) = 0 [pid 7549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7549] setpgid(0, 0) = 0 [pid 7549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7549] write(3, "1000", 4) = 4 [pid 7549] close(3) = 0 [pid 7549] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7549] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7549] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7549] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7550], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7550 [pid 7549] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7549] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7550 attached [pid 7550] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7550] memfd_create("syzkaller", 0) = 3 [pid 7550] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7547] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7548] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7544] <... write resumed>) = 4194304 [pid 7544] munmap(0x7fe58005a000, 4194304) = 0 [pid 7544] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7544] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7544] close(3) = 0 [pid 7544] mkdir("./bus", 0777) = 0 [pid 7544] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 213.836551][ T7544] loop2: detected capacity change from 0 to 8192 [ 213.862499][ T7544] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 213.875616][ T7544] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7550] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7548] <... write resumed>) = 4194304 [pid 7547] <... write resumed>) = 4194304 [pid 7548] munmap(0x7fe58005a000, 4194304 [pid 7547] munmap(0x7fe58005a000, 4194304 [pid 7548] <... munmap resumed>) = 0 [pid 7547] <... munmap resumed>) = 0 [pid 7548] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7547] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7548] <... openat resumed>) = 4 [pid 7547] <... openat resumed>) = 4 [pid 7548] ioctl(4, LOOP_SET_FD, 3 [pid 7547] ioctl(4, LOOP_SET_FD, 3 [pid 7550] <... write resumed>) = 4194304 [pid 7548] <... ioctl resumed>) = 0 [pid 7547] <... ioctl resumed>) = 0 [pid 7547] close(3) = 0 [pid 7548] close(3 [pid 7547] mkdir("./bus", 0777 [pid 7548] <... close resumed>) = 0 [pid 7548] mkdir("./bus", 0777) = 0 [pid 7547] <... mkdir resumed>) = 0 [pid 7548] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7547] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7550] munmap(0x7fe58005a000, 4194304) = 0 [pid 7550] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 213.884918][ T7544] REISERFS (device loop2): using ordered data mode [ 213.894719][ T7544] reiserfs: using flush barriers [ 213.901357][ T7548] loop4: detected capacity change from 0 to 8192 [ 213.908153][ T7547] loop1: detected capacity change from 0 to 8192 [ 213.914961][ T7544] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7550] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7550] close(3) = 0 [pid 7550] mkdir("./bus", 0777) = 0 [ 213.932338][ T7550] loop5: detected capacity change from 0 to 8192 [ 213.932565][ T7544] REISERFS (device loop2): checking transaction log (loop2) [ 213.947845][ T7547] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 213.947967][ T7548] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 213.961795][ T7550] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 213.975171][ T7548] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 213.997011][ T7544] REISERFS (device loop2): Using r5 hash to sort names [ 213.997375][ T7548] REISERFS (device loop4): using ordered data mode [ 214.004478][ T7544] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 214.011422][ T7548] reiserfs: using flush barriers [ 214.028104][ T7547] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 214.031601][ T7550] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 214.037753][ T7547] REISERFS (device loop1): using ordered data mode [ 214.046543][ T7548] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 214.052917][ T7547] reiserfs: using flush barriers [ 214.069457][ T7544] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7550] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7544] <... mount resumed>) = 0 [ 214.075265][ T7547] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 214.083604][ T7550] REISERFS (device loop5): using ordered data mode [ 214.099925][ T7547] REISERFS (device loop1): checking transaction log (loop1) [ 214.106446][ T7548] REISERFS (device loop4): checking transaction log (loop4) [ 214.114482][ T7547] REISERFS (device loop1): Using r5 hash to sort names [ 214.120954][ T7550] reiserfs: using flush barriers [pid 7544] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7544] chdir("./bus" [pid 7547] <... mount resumed>) = 0 [pid 7544] <... chdir resumed>) = 0 [pid 7544] ioctl(4, LOOP_CLR_FD) = 0 [pid 7544] close(4) = 0 [pid 7544] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 214.128273][ T7547] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 214.145908][ T7547] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 214.146301][ T7548] REISERFS (device loop4): Using r5 hash to sort names [ 214.162213][ T7550] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7544] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7547] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7543] <... futex resumed>) = 0 [pid 7547] <... openat resumed>) = 3 [pid 7543] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7548] <... mount resumed>) = 0 [pid 7548] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7548] chdir("./bus") = 0 [pid 7548] ioctl(4, LOOP_CLR_FD) = 0 [pid 7548] close(4) = 0 [pid 7548] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7548] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7547] chdir("./bus") = 0 [pid 7544] <... futex resumed>) = 0 [pid 7543] <... futex resumed>) = 1 [pid 7547] ioctl(4, LOOP_CLR_FD [pid 7544] mkdir("./file1", 000 [pid 7547] <... ioctl resumed>) = 0 [pid 7544] <... mkdir resumed>) = 0 [pid 7547] close(4 [pid 7544] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] <... close resumed>) = 0 [pid 7544] <... futex resumed>) = 0 [pid 7547] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7544] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7547] <... futex resumed>) = 1 [pid 7546] <... futex resumed>) = 0 [pid 7545] <... futex resumed>) = 0 [pid 7547] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7546] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7545] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7543] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7546] <... futex resumed>) = 1 [pid 7545] <... futex resumed>) = 0 [pid 7543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7547] mkdir("./file1", 000 [pid 7546] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7545] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7543] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] <... mkdir resumed>) = 0 [pid 7544] <... futex resumed>) = 0 [pid 7543] <... futex resumed>) = 1 [pid 7547] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7544] mkdir("./bus", 000 [pid 7543] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7547] <... futex resumed>) = 1 [pid 7545] <... futex resumed>) = 0 [pid 7544] <... mkdir resumed>) = 0 [pid 7548] <... futex resumed>) = 0 [pid 7547] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7545] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7544] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7548] mkdir("./file1", 000 [pid 7547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7545] <... futex resumed>) = 0 [pid 7544] <... futex resumed>) = 1 [pid 7543] <... futex resumed>) = 0 [pid 7548] <... mkdir resumed>) = 0 [pid 7547] mkdir("./bus", 000 [pid 7545] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7544] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7543] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7548] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] <... mkdir resumed>) = 0 [pid 7544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7543] <... futex resumed>) = 0 [pid 7548] <... futex resumed>) = 1 [pid 7547] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7546] <... futex resumed>) = 0 [pid 7544] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7543] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7548] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7547] <... futex resumed>) = 1 [pid 7546] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7545] <... futex resumed>) = 0 [ 214.163932][ T7548] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 214.191547][ T7550] REISERFS (device loop5): checking transaction log (loop5) [ 214.196031][ T7548] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 214.200973][ T7550] REISERFS (device loop5): Using r5 hash to sort names [pid 7548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7547] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7545] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7548] mkdir("./bus", 000 [pid 7547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7545] <... futex resumed>) = 0 [pid 7548] <... mkdir resumed>) = 0 [pid 7547] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7545] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7548] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7548] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7546] <... futex resumed>) = 0 [pid 7546] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7546] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7548] <... futex resumed>) = 0 [pid 7546] <... futex resumed>) = 1 [pid 7546] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 214.237454][ T7544] overlayfs: upper fs needs to support d_type. [ 214.244676][ T7547] overlayfs: upper fs needs to support d_type. [ 214.250915][ T7547] overlayfs: upper fs does not support tmpfile. [ 214.259462][ T7544] overlayfs: upper fs does not support tmpfile. [ 214.262174][ T7547] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 214.275636][ T7550] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7548] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7545] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7543] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7543] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7545] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7543] <... futex resumed>) = 0 [pid 7545] <... futex resumed>) = 0 [pid 7543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7543] <... mmap resumed>) = 0x7fe580439000 [pid 7545] <... mmap resumed>) = 0x7fe580439000 [pid 7545] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7545] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7555], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7555 [pid 7545] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7545] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7543] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7543] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7556], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7556 [pid 7543] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7543] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7555 attached [pid 7555] set_robust_list(0x7fe5804599e0, 24) = 0 ./strace-static-x86_64: Process 7556 attached [pid 7555] mkdir(".", 0777 [pid 7556] set_robust_list(0x7fe5804599e0, 24 [pid 7555] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7556] <... set_robust_list resumed>) = 0 [pid 7555] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7556] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7556] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7546] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7546] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7546] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [ 214.276396][ T7548] overlayfs: upper fs needs to support d_type. [ 214.297156][ T7544] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7546] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7557], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7557 ./strace-static-x86_64: Process 7557 attached [pid 7557] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7557] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7546] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7557] <... futex resumed>) = 0 [pid 7557] mkdir(".", 0777) = -1 EEXIST (File exists) [ 214.329410][ T7556] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 214.332620][ T7547] overlayfs: failed to resolve './file0': -2 [ 214.347597][ T7555] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 214.356652][ T7550] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7557] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7556] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7555] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7550] <... mount resumed>) = 0 [pid 7546] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7556] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7543] <... futex resumed>) = 0 [pid 7556] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7555] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7545] <... futex resumed>) = 0 [pid 7555] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7550] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7550] chdir("./bus") = 0 [pid 7550] ioctl(4, LOOP_CLR_FD) = 0 [pid 7550] close(4) = 0 [pid 7550] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] <... futex resumed>) = 0 [pid 7549] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7549] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7550] <... futex resumed>) = 1 [pid 7550] mkdir("./file1", 000) = 0 [pid 7550] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] <... futex resumed>) = 0 [pid 7549] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7549] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7550] <... futex resumed>) = 1 [pid 7550] mkdir("./bus", 000) = 0 [pid 7550] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] <... futex resumed>) = 0 [pid 7549] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7549] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7550] <... futex resumed>) = 1 [pid 7550] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7544] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7547] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7547] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7544] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] <... futex resumed>) = 0 [pid 7544] <... futex resumed>) = 0 [pid 7547] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7544] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7545] exit_group(0 [pid 7543] exit_group(0 [pid 7556] <... futex resumed>) = ? [pid 7555] <... futex resumed>) = ? [pid 7547] <... futex resumed>) = ? [pid 7545] <... exit_group resumed>) = ? [pid 7544] <... futex resumed>) = ? [pid 7543] <... exit_group resumed>) = ? [pid 7556] +++ exited with 0 +++ [pid 7555] +++ exited with 0 +++ [pid 7547] +++ exited with 0 +++ [pid 7545] +++ exited with 0 +++ [pid 7544] +++ exited with 0 +++ [pid 7543] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7543, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7545, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5004] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] <... openat resumed>) = 3 [pid 5005] fstat(3, [pid 5004] fstat(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, [pid 5004] getdents64(3, [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 214.375085][ T7544] overlayfs: failed to resolve './file0': -2 [ 214.378893][ T7548] overlayfs: upper fs does not support tmpfile. [ 214.386540][ T7557] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 214.413088][ T7550] overlayfs: upper fs needs to support d_type. [ 214.420908][ T7550] overlayfs: upper fs does not support tmpfile. [pid 5004] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7557] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7557] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7546] <... futex resumed>) = 0 [pid 7557] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7549] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7549] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7549] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7549] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7558], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7558 [pid 7549] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7549] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7558 attached [pid 7558] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7558] mkdir(".", 0777) = -1 EEXIST (File exists) [ 214.432640][ T7548] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 214.440915][ T7550] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 214.460307][ T7548] overlayfs: failed to resolve './file0': -2 [ 214.480939][ T7558] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7558] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7548] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7548] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7546] exit_group(0 [pid 7557] <... futex resumed>) = ? [pid 7546] <... exit_group resumed>) = ? [pid 7557] +++ exited with 0 +++ [pid 7548] +++ exited with 0 +++ [pid 7546] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7546, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=29 /* 0.29 s */} --- [pid 5007] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7558] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7558] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] <... futex resumed>) = 0 [pid 7558] <... futex resumed>) = 1 [pid 7558] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7550] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7550] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] exit_group(0 [pid 7558] <... futex resumed>) = ? [pid 7549] <... exit_group resumed>) = ? [pid 7558] +++ exited with 0 +++ [pid 7550] <... futex resumed>) = ? [pid 7550] +++ exited with 0 +++ [pid 7549] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7549, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5008] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 214.524763][ T7550] overlayfs: failed to resolve './file0': -2 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5005] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./148/bus", [pid 5004] lstat("./146/bus", [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./146/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./148/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] openat(AT_FDCWD, "./146/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... openat resumed>) = 4 [pid 5004] <... openat resumed>) = 4 [pid 5005] fstat(4, [pid 5004] fstat(4, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, [pid 5004] getdents64(4, [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, [pid 5004] getdents64(4, [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4 [pid 5004] close(4 [pid 5007] <... umount2 resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5007] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] rmdir("./148/bus" [pid 5004] rmdir("./146/bus" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... rmdir resumed>) = 0 [pid 5007] lstat("./147/bus", [pid 5005] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... rmdir resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] lstat("./148/binderfs", [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./147/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] lstat("./146/binderfs", [pid 5007] <... openat resumed>) = 4 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] fstat(4, [pid 5005] unlink("./148/binderfs" [pid 5004] unlink("./146/binderfs" [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, [pid 5005] <... unlink resumed>) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(3, [pid 5004] getdents64(3, [pid 5007] getdents64(4, [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(3 [pid 5004] close(3 [pid 5007] close(4 [pid 5005] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5005] rmdir("./148" [pid 5004] rmdir("./146" [pid 5007] rmdir("./147/bus" [pid 5005] <... rmdir resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] mkdir("./149", 0777 [pid 5004] mkdir("./147", 0777 [pid 5007] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... mkdir resumed>) = 0 [pid 5004] <... mkdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5007] lstat("./147/binderfs", [pid 5005] <... openat resumed>) = 3 [pid 5004] <... openat resumed>) = 3 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5007] unlink("./147/binderfs" [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] <... unlink resumed>) = 0 [pid 5005] close(3 [pid 5004] close(3 [pid 5007] getdents64(3, [pid 5005] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] close(3) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7559 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7560 [pid 5007] rmdir("./147") = 0 [pid 5007] mkdir("./148", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7561 ./strace-static-x86_64: Process 7560 attached [pid 7560] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7560] chdir("./147") = 0 [pid 7560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7560] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 7561 attached [pid 7560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7561] set_robust_list(0x5555568c85e0, 24 [pid 7560] <... openat resumed>) = 3 [pid 7560] write(3, "1000", 4 [pid 7561] <... set_robust_list resumed>) = 0 [pid 7560] <... write resumed>) = 4 [pid 7560] close(3) = 0 [pid 7560] symlink("/dev/binderfs", "./binderfs" [pid 7561] chdir("./148" [pid 7560] <... symlink resumed>) = 0 [pid 7560] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7561] <... chdir resumed>) = 0 [pid 7560] <... futex resumed>) = 0 [pid 7561] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7559 attached ) = 0 [pid 7560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7561] setpgid(0, 0 [pid 7560] <... mmap resumed>) = 0x7fe58845a000 [pid 7561] <... setpgid resumed>) = 0 [pid 7560] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7559] set_robust_list(0x5555568c85e0, 24 [pid 7560] <... mprotect resumed>) = 0 [pid 7561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7559] <... set_robust_list resumed>) = 0 [pid 7560] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7562], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7562 [pid 7560] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7560] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7562 attached [pid 7562] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7561] <... openat resumed>) = 3 [pid 7559] chdir("./149" [pid 7561] write(3, "1000", 4 [pid 7559] <... chdir resumed>) = 0 [pid 7561] <... write resumed>) = 4 [pid 7559] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7561] close(3 [pid 7559] <... prctl resumed>) = 0 [pid 7561] <... close resumed>) = 0 [pid 7559] setpgid(0, 0 [pid 7561] symlink("/dev/binderfs", "./binderfs" [pid 7559] <... setpgid resumed>) = 0 [pid 7562] memfd_create("syzkaller", 0 [pid 7561] <... symlink resumed>) = 0 [pid 7559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7561] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7559] <... openat resumed>) = 3 [pid 7561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7562] <... memfd_create resumed>) = 3 [pid 7562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7561] <... mmap resumed>) = 0x7fe58845a000 [pid 7559] write(3, "1000", 4 [pid 7561] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7559] <... write resumed>) = 4 [pid 7561] <... mprotect resumed>) = 0 [pid 7559] close(3 [pid 7562] <... mmap resumed>) = 0x7fe58005a000 [pid 7561] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7559] <... close resumed>) = 0 [pid 7559] symlink("/dev/binderfs", "./binderfs" [pid 7561] <... clone resumed>, parent_tid=[7563], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7563 [pid 7559] <... symlink resumed>) = 0 [pid 7561] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7559] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7561] <... futex resumed>) = 0 [pid 7559] <... futex resumed>) = 0 [pid 7561] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7559] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7559] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7564], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7564 [pid 7559] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7559] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7563 attached [pid 5008] <... umount2 resumed>) = 0 [pid 7563] set_robust_list(0x7fe58847a9e0, 24 [pid 5008] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7563] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7564 attached [pid 7564] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7563] memfd_create("syzkaller", 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7564] memfd_create("syzkaller", 0) = 3 [pid 7563] <... memfd_create resumed>) = 3 [pid 5008] lstat("./149/bus", [pid 7564] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7563] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./149/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./149/bus") = 0 [pid 5008] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./149/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./149") = 0 [pid 5008] mkdir("./150", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7565 ./strace-static-x86_64: Process 7565 attached [pid 7565] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7565] chdir("./150") = 0 [pid 7565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7565] setpgid(0, 0) = 0 [pid 7565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7565] write(3, "1000", 4) = 4 [pid 7565] close(3) = 0 [pid 7565] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7563] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7562] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7565] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7564] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7565] <... futex resumed>) = 0 [pid 7565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7565] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7565] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7566], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7566 [pid 7565] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7565] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7566 attached [pid 7566] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7566] memfd_create("syzkaller", 0) = 3 [pid 7566] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7563] <... write resumed>) = 4194304 [pid 7563] munmap(0x7fe58005a000, 4194304) = 0 [pid 7563] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7562] <... write resumed>) = 4194304 [pid 7563] ioctl(4, LOOP_SET_FD, 3 [pid 7562] munmap(0x7fe58005a000, 4194304 [pid 7564] <... write resumed>) = 4194304 [pid 7564] munmap(0x7fe58005a000, 4194304 [pid 7562] <... munmap resumed>) = 0 [pid 7562] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7562] ioctl(4, LOOP_SET_FD, 3 [pid 7564] <... munmap resumed>) = 0 [pid 7564] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7564] ioctl(4, LOOP_SET_FD, 3 [pid 7563] <... ioctl resumed>) = 0 [pid 7562] <... ioctl resumed>) = 0 [pid 7563] close(3 [pid 7562] close(3 [pid 7563] <... close resumed>) = 0 [pid 7562] <... close resumed>) = 0 [pid 7564] <... ioctl resumed>) = 0 [pid 7564] close(3 [pid 7563] mkdir("./bus", 0777 [pid 7562] mkdir("./bus", 0777 [pid 7563] <... mkdir resumed>) = 0 [pid 7564] <... close resumed>) = 0 [pid 7564] mkdir("./bus", 0777 [pid 7562] <... mkdir resumed>) = 0 [pid 7563] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7562] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7564] <... mkdir resumed>) = 0 [pid 7564] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 214.860721][ T7563] loop4: detected capacity change from 0 to 8192 [ 214.873239][ T7562] loop1: detected capacity change from 0 to 8192 [ 214.875494][ T7564] loop2: detected capacity change from 0 to 8192 [ 214.895926][ T7563] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 214.909532][ T7564] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 214.909887][ T7562] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 214.922760][ T7564] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 214.936015][ T7563] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 214.945174][ T7564] REISERFS (device loop2): using ordered data mode [ 214.960563][ T7564] reiserfs: using flush barriers [ 214.967288][ T7562] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 214.976557][ T7564] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 214.979178][ T7563] REISERFS (device loop4): using ordered data mode [ 214.993054][ T7562] REISERFS (device loop1): using ordered data mode [pid 7566] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 7566] munmap(0x7fe58005a000, 4194304) = 0 [pid 7566] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7566] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7566] close(3) = 0 [pid 7566] mkdir("./bus", 0777) = 0 [ 215.006645][ T7564] REISERFS (device loop2): checking transaction log (loop2) [ 215.014851][ T7562] reiserfs: using flush barriers [ 215.021741][ T7564] REISERFS (device loop2): Using r5 hash to sort names [ 215.024277][ T7566] loop5: detected capacity change from 0 to 8192 [ 215.029107][ T7564] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 215.035384][ T7563] reiserfs: using flush barriers [ 215.048912][ T7564] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 215.058445][ T7566] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 215.062011][ T7562] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 215.076771][ T7563] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7566] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7564] <... mount resumed>) = 0 [pid 7564] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7564] chdir("./bus") = 0 [pid 7564] ioctl(4, LOOP_CLR_FD) = 0 [pid 7564] close(4) = 0 [pid 7564] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7559] <... futex resumed>) = 0 [pid 7564] mkdir("./file1", 000 [pid 7559] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7564] <... mkdir resumed>) = 0 [pid 7559] <... futex resumed>) = 0 [pid 7564] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7559] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7564] <... futex resumed>) = 0 [pid 7559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7564] mkdir("./bus", 000 [pid 7559] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7564] <... mkdir resumed>) = 0 [pid 7559] <... futex resumed>) = 0 [pid 7564] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7559] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7564] <... futex resumed>) = 0 [pid 7559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 215.092060][ T7566] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 215.108107][ T7563] REISERFS (device loop4): checking transaction log (loop4) [ 215.118005][ T7562] REISERFS (device loop1): checking transaction log (loop1) [ 215.124302][ T7566] REISERFS (device loop5): using ordered data mode [ 215.138120][ T7566] reiserfs: using flush barriers [ 215.145186][ T7563] REISERFS (device loop4): Using r5 hash to sort names [pid 7564] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7559] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7559] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7563] <... mount resumed>) = 0 [ 215.152287][ T7563] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 215.157345][ T7564] overlayfs: upper fs needs to support d_type. [ 215.165025][ T7563] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 215.180736][ T7564] overlayfs: upper fs does not support tmpfile. [ 215.181281][ T7566] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 215.187993][ T7564] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7563] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7559] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7563] <... openat resumed>) = 3 [pid 7559] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7564] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7563] chdir("./bus" [pid 7559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7559] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7559] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7571], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7571 [pid 7559] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7559] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7571 attached [pid 7564] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7563] <... chdir resumed>) = 0 [pid 7562] <... mount resumed>) = 0 [pid 7571] set_robust_list(0x7fe5804599e0, 24 [pid 7564] <... futex resumed>) = 0 [pid 7563] ioctl(4, LOOP_CLR_FD [pid 7562] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7571] <... set_robust_list resumed>) = 0 [pid 7564] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7563] <... ioctl resumed>) = 0 [pid 7562] <... openat resumed>) = 3 [ 215.205559][ T7562] REISERFS (device loop1): Using r5 hash to sort names [ 215.212274][ T7564] overlayfs: failed to resolve './file0': -2 [ 215.224245][ T7566] REISERFS (device loop5): checking transaction log (loop5) [ 215.232567][ T7562] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 215.241587][ T7566] REISERFS (device loop5): Using r5 hash to sort names [ 215.245339][ T7562] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7571] mkdir(".", 0777 [pid 7563] close(4 [pid 7562] chdir("./bus" [pid 7571] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7571] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7563] <... close resumed>) = 0 [pid 7562] <... chdir resumed>) = 0 [pid 7563] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7562] ioctl(4, LOOP_CLR_FD [pid 7571] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7566] <... mount resumed>) = 0 [pid 7563] <... futex resumed>) = 1 [pid 7562] <... ioctl resumed>) = 0 [pid 7561] <... futex resumed>) = 0 [pid 7571] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7566] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7563] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7562] close(4 [pid 7561] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7559] <... futex resumed>) = 0 [pid 7571] <... futex resumed>) = 1 [pid 7566] <... openat resumed>) = 3 [pid 7563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7562] <... close resumed>) = 0 [pid 7561] <... futex resumed>) = 0 [pid 7571] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7566] chdir("./bus" [pid 7563] mkdir("./file1", 000 [pid 7562] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7561] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7559] exit_group(0 [pid 7571] <... futex resumed>) = ? [pid 7566] <... chdir resumed>) = 0 [pid 7564] <... futex resumed>) = ? [pid 7563] <... mkdir resumed>) = 0 [pid 7562] <... futex resumed>) = 1 [pid 7560] <... futex resumed>) = 0 [pid 7559] <... exit_group resumed>) = ? [pid 7571] +++ exited with 0 +++ [pid 7566] ioctl(4, LOOP_CLR_FD [pid 7564] +++ exited with 0 +++ [pid 7563] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7562] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7560] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7566] <... ioctl resumed>) = 0 [pid 7563] <... futex resumed>) = 1 [pid 7562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7561] <... futex resumed>) = 0 [pid 7566] close(4 [pid 7563] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7562] mkdir("./file1", 000 [pid 7561] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7566] <... close resumed>) = 0 [pid 7563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7562] <... mkdir resumed>) = 0 [pid 7561] <... futex resumed>) = 0 [pid 7559] +++ exited with 0 +++ [pid 7566] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7563] mkdir("./bus", 000 [pid 7562] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7561] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7560] <... futex resumed>) = 0 [pid 7566] <... futex resumed>) = 1 [pid 7565] <... futex resumed>) = 0 [pid 7563] <... mkdir resumed>) = 0 [pid 7562] <... futex resumed>) = 0 [pid 7560] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7566] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7565] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7563] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7562] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7559, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 7566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7565] <... futex resumed>) = 0 [pid 7563] <... futex resumed>) = 1 [pid 7561] <... futex resumed>) = 0 [pid 7560] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7566] mkdir("./file1", 000 [pid 7565] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7563] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7562] <... futex resumed>) = 0 [pid 7561] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] <... futex resumed>) = 1 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7566] <... mkdir resumed>) = 0 [pid 7563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7562] mkdir("./bus", 000 [pid 7561] <... futex resumed>) = 0 [pid 7560] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7566] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7563] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7562] <... mkdir resumed>) = 0 [ 215.267004][ T7566] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 215.275384][ T7571] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 215.280081][ T7566] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7561] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7566] <... futex resumed>) = 1 [pid 7565] <... futex resumed>) = 0 [pid 7562] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... openat resumed>) = 3 [pid 7566] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7565] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7562] <... futex resumed>) = 1 [pid 7560] <... futex resumed>) = 0 [pid 7566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7565] <... futex resumed>) = 0 [pid 7562] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7560] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] fstat(3, [pid 7566] mkdir("./bus", 000 [pid 7565] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7560] <... futex resumed>) = 0 [pid 7566] <... mkdir resumed>) = 0 [pid 7562] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7560] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7566] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7565] <... futex resumed>) = 0 [pid 7566] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7565] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7565] <... futex resumed>) = 0 [pid 7566] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7565] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 215.321662][ T7563] overlayfs: upper fs needs to support d_type. [ 215.327894][ T7563] overlayfs: upper fs does not support tmpfile. [ 215.337874][ T7562] overlayfs: upper fs needs to support d_type. [ 215.346327][ T7562] overlayfs: upper fs does not support tmpfile. [ 215.353022][ T7566] overlayfs: upper fs needs to support d_type. [ 215.359501][ T7566] overlayfs: upper fs does not support tmpfile. [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7561] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7561] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7561] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7561] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7572], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7572 [pid 7561] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7561] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7572 attached [pid 7572] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7572] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7572] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7565] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7565] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7560] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7560] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7565] <... mmap resumed>) = 0x7fe580439000 [pid 7560] <... mmap resumed>) = 0x7fe580439000 [pid 7565] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7560] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7565] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7573], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7573 [pid 7565] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7565] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7560] <... mprotect resumed>) = 0 [pid 7560] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7574], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7574 [pid 7560] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7560] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7574 attached [pid 7574] set_robust_list(0x7fe5804599e0, 24) = 0 [ 215.366694][ T7563] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 215.375117][ T7562] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 215.383339][ T7566] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 215.404524][ T7563] overlayfs: failed to resolve './file0': -2 [pid 7574] mkdir(".", 0777) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 7573 attached [pid 7573] set_robust_list(0x7fe5804599e0, 24 [pid 7574] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7573] <... set_robust_list resumed>) = 0 [pid 7573] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7573] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7563] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 215.423989][ T7572] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 215.440495][ T7562] overlayfs: failed to resolve './file0': -2 [ 215.445302][ T7574] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 215.448281][ T7566] overlayfs: failed to resolve './file0': -2 [pid 7563] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7563] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7562] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7562] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7562] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7572] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7572] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7561] <... futex resumed>) = 0 [pid 7561] exit_group(0 [pid 7563] <... futex resumed>) = ? [pid 7561] <... exit_group resumed>) = ? [pid 7563] +++ exited with 0 +++ [pid 7572] <... futex resumed>) = ? [pid 7572] +++ exited with 0 +++ [pid 7561] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7561, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5007] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, [pid 7574] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7574] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] getdents64(3, [pid 7574] <... futex resumed>) = 1 [pid 7560] <... futex resumed>) = 0 [pid 7560] exit_group(0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7560] <... exit_group resumed>) = ? [pid 7562] <... futex resumed>) = ? [pid 7562] +++ exited with 0 +++ [pid 5007] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7566] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7566] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7574] +++ exited with 0 +++ [pid 7573] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7560] +++ exited with 0 +++ [pid 5005] <... umount2 resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7560, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=26 /* 0.26 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 7566] <... futex resumed>) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 7566] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7573] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7573] <... futex resumed>) = 1 [pid 7565] <... futex resumed>) = 0 [pid 5005] lstat("./149/bus", [pid 5004] <... openat resumed>) = 3 [pid 7565] exit_group(0) = ? [pid 5004] fstat(3, [pid 7566] <... futex resumed>) = ? [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7566] +++ exited with 0 +++ [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7573] +++ exited with 0 +++ [pid 7565] +++ exited with 0 +++ [pid 5005] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7565, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5008] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 215.481873][ T7573] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] fstat(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] openat(AT_FDCWD, "./149/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... openat resumed>) = 4 [pid 5008] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./149/bus") = 0 [pid 5005] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./149/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./149") = 0 [pid 5005] mkdir("./150", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7575 ./strace-static-x86_64: Process 7575 attached [pid 7575] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7575] chdir("./150") = 0 [pid 7575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7575] setpgid(0, 0) = 0 [pid 7575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7575] write(3, "1000", 4) = 4 [pid 7575] close(3) = 0 [pid 7575] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7575] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7575] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7575] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7576], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7576 [pid 7575] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7575] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7576 attached [pid 7576] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7576] memfd_create("syzkaller", 0) = 3 [pid 7576] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7576] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./148/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5007] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./148/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] fstat(4, [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, [pid 5004] lstat("./147/bus", [pid 5008] <... umount2 resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] close(4 [pid 5004] umount2("./147/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./150/bus", [pid 5007] <... close resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] rmdir("./148/bus" [pid 5004] openat(AT_FDCWD, "./147/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... rmdir resumed>) = 0 [pid 5004] <... openat resumed>) = 4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] fstat(4, [pid 5008] openat(AT_FDCWD, "./150/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7576] <... write resumed>) = 4194304 [pid 5008] <... openat resumed>) = 4 [pid 5007] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./147/bus" [pid 5007] lstat("./148/binderfs", [pid 5004] <... rmdir resumed>) = 0 [pid 7576] munmap(0x7fe58005a000, 4194304 [pid 5008] fstat(4, [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] unlink("./148/binderfs" [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./147/binderfs", [pid 5007] <... unlink resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 7576] <... munmap resumed>) = 0 [pid 5004] unlink("./147/binderfs" [pid 7576] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] getdents64(4, [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] close(3 [pid 5004] getdents64(3, [pid 7576] <... openat resumed>) = 4 [pid 5008] getdents64(4, [pid 5007] <... close resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] rmdir("./148" [pid 5004] close(3 [pid 7576] ioctl(4, LOOP_SET_FD, 3 [pid 5008] close(4 [pid 5004] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5004] rmdir("./147" [pid 5008] rmdir("./150/bus" [pid 5007] <... rmdir resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5004] mkdir("./148", 0777 [pid 5008] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... mkdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] lstat("./150/binderfs", [pid 5004] <... openat resumed>) = 3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5008] unlink("./150/binderfs" [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] <... unlink resumed>) = 0 [pid 5004] close(3 [pid 5008] getdents64(3, [pid 5004] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] close(3) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7577 [pid 5008] rmdir("./150") = 0 [pid 5008] mkdir("./151", 0777 [pid 5007] mkdir("./149", 0777 [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7578 ./strace-static-x86_64: Process 7578 attached [pid 7578] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7578] chdir("./151") = 0 [pid 7578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7578] setpgid(0, 0) = 0 [pid 7578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7578] write(3, "1000", 4) = 4 [pid 7578] close(3) = 0 [pid 7578] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7578] <... symlink resumed>) = 0 [pid 7578] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7579 ./strace-static-x86_64: Process 7577 attached [pid 7576] <... ioctl resumed>) = 0 [pid 7577] set_robust_list(0x5555568c85e0, 24 [pid 7576] close(3 [pid 7578] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7577] <... set_robust_list resumed>) = 0 [pid 7576] <... close resumed>) = 0 [pid 7577] chdir("./148" [pid 7576] mkdir("./bus", 0777 [pid 7578] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7577] <... chdir resumed>) = 0 [pid 7577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7576] <... mkdir resumed>) = 0 [pid 7578] <... clone resumed>, parent_tid=[7580], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7580 [pid 7578] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7579 attached ) = 0 [pid 7577] <... prctl resumed>) = 0 [pid 7576] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7579] set_robust_list(0x5555568c85e0, 24 [pid 7578] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7577] setpgid(0, 0 [pid 7579] <... set_robust_list resumed>) = 0 [pid 7577] <... setpgid resumed>) = 0 [pid 7579] chdir("./149") = 0 [pid 7579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7579] <... prctl resumed>) = 0 [pid 7579] setpgid(0, 0 [pid 7577] <... openat resumed>) = 3 [pid 7579] <... setpgid resumed>) = 0 [pid 7577] write(3, "1000", 4 [pid 7579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7577] <... write resumed>) = 4 [pid 7579] <... openat resumed>) = 3 [pid 7577] close(3 [pid 7579] write(3, "1000", 4 [pid 7577] <... close resumed>) = 0 [pid 7579] <... write resumed>) = 4 [pid 7577] symlink("/dev/binderfs", "./binderfs" [pid 7579] close(3) = 0 [pid 7577] <... symlink resumed>) = 0 [ 215.716255][ T7576] loop2: detected capacity change from 0 to 8192 [pid 7579] symlink("/dev/binderfs", "./binderfs" [pid 7577] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7579] <... symlink resumed>) = 0 [pid 7579] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7579] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7579] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7582], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7582 [pid 7579] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7579] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7580 attached [pid 7580] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7580] memfd_create("syzkaller", 0) = 3 [pid 7580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7577] <... futex resumed>) = 0 [pid 7577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7577] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7577] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7583], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7583 [pid 7577] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7577] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7583 attached [pid 7583] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7583] memfd_create("syzkaller", 0) = 3 [pid 7583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 7582 attached [pid 7582] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7582] memfd_create("syzkaller", 0) = 3 [pid 7582] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 215.756004][ T7576] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 215.781230][ T7576] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 215.790775][ T7576] REISERFS (device loop2): using ordered data mode [ 215.798425][ T7576] reiserfs: using flush barriers [ 215.805236][ T7576] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7583] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7580] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7576] <... mount resumed>) = 0 [pid 7576] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7576] chdir("./bus") = 0 [pid 7576] ioctl(4, LOOP_CLR_FD) = 0 [pid 7576] close(4) = 0 [pid 7576] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7575] <... futex resumed>) = 0 [pid 7576] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7575] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7575] <... futex resumed>) = 0 [pid 7576] mkdir("./file1", 000 [pid 7575] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7576] <... mkdir resumed>) = 0 [pid 7576] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7575] <... futex resumed>) = 0 [pid 7576] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7575] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7575] <... futex resumed>) = 0 [pid 7576] mkdir("./bus", 000 [pid 7575] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7576] <... mkdir resumed>) = 0 [pid 7576] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7575] <... futex resumed>) = 0 [pid 7576] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7575] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7575] <... futex resumed>) = 0 [ 215.841643][ T7576] REISERFS (device loop2): checking transaction log (loop2) [ 215.853926][ T7576] REISERFS (device loop2): Using r5 hash to sort names [ 215.861191][ T7576] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 215.874183][ T7576] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7580] <... write resumed>) = 4194304 [pid 7576] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7575] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7580] munmap(0x7fe58005a000, 4194304) = 0 [pid 7580] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7582] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7580] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7580] close(3) = 0 [ 215.924408][ T7576] overlayfs: upper fs needs to support d_type. [ 215.930926][ T7576] overlayfs: upper fs does not support tmpfile. [ 215.948694][ T7580] loop5: detected capacity change from 0 to 8192 [ 215.949942][ T7576] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7580] mkdir("./bus", 0777 [pid 7583] <... write resumed>) = 4194304 [pid 7580] <... mkdir resumed>) = 0 [pid 7575] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7580] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7575] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7583] munmap(0x7fe58005a000, 4194304 [pid 7575] <... futex resumed>) = 0 [pid 7575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7575] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7583] <... munmap resumed>) = 0 [pid 7575] <... mprotect resumed>) = 0 [pid 7583] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7575] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7583] <... openat resumed>) = 4 [pid 7583] ioctl(4, LOOP_SET_FD, 3 [pid 7575] <... clone resumed>, parent_tid=[7585], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7585 [pid 7575] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7575] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7585 attached [pid 7585] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7585] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7585] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7583] <... ioctl resumed>) = 0 [pid 7576] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7583] close(3 [pid 7576] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7583] <... close resumed>) = 0 [pid 7576] <... futex resumed>) = 0 [pid 7583] mkdir("./bus", 0777 [pid 7576] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7583] <... mkdir resumed>) = 0 [pid 7583] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7582] <... write resumed>) = 4194304 [ 215.971250][ T7576] overlayfs: failed to resolve './file0': -2 [ 215.988500][ T7583] loop1: detected capacity change from 0 to 8192 [ 215.996151][ T7580] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7585] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7585] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7575] <... futex resumed>) = 0 [pid 7575] exit_group(0 [pid 7576] <... futex resumed>) = ? [pid 7575] <... exit_group resumed>) = ? [pid 7576] +++ exited with 0 +++ [pid 7585] <... futex resumed>) = ? [pid 7585] +++ exited with 0 +++ [pid 7575] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7575, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7582] munmap(0x7fe58005a000, 4194304) = 0 [pid 7582] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 216.022886][ T7580] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 216.023590][ T7585] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 216.032126][ T7583] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 216.063024][ T7580] REISERFS (device loop5): using ordered data mode [ 216.069780][ T7580] reiserfs: using flush barriers [pid 7582] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7582] close(3) = 0 [pid 7582] mkdir("./bus", 0777) = 0 [ 216.076637][ T7582] loop4: detected capacity change from 0 to 8192 [ 216.083144][ T7583] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 216.086479][ T7580] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 216.093151][ T7583] REISERFS (device loop1): using ordered data mode [ 216.115165][ T7583] reiserfs: using flush barriers [ 216.123579][ T7583] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 216.139949][ T7582] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 216.153531][ T7583] REISERFS (device loop1): checking transaction log (loop1) [ 216.160999][ T7582] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 216.170615][ T7582] REISERFS (device loop4): using ordered data mode [ 216.171478][ T7583] REISERFS (device loop1): Using r5 hash to sort names [ 216.177192][ T7582] reiserfs: using flush barriers [ 216.190440][ T7582] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 216.207277][ T7580] REISERFS (device loop5): checking transaction log (loop5) [pid 7582] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7583] <... mount resumed>) = 0 [ 216.215232][ T7583] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 216.228372][ T7580] REISERFS (device loop5): Using r5 hash to sort names [ 216.235364][ T7583] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 216.242325][ T7580] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 216.245235][ T7582] REISERFS (device loop4): checking transaction log (loop4) [ 216.265170][ T7580] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7583] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7580] <... mount resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 7580] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7580] chdir("./bus") = 0 [pid 7580] ioctl(4, LOOP_CLR_FD) = 0 [pid 7580] close(4) = 0 [pid 7580] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7578] <... futex resumed>) = 0 [pid 7580] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7578] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7578] <... futex resumed>) = 0 [pid 5005] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7580] mkdir("./file1", 000 [pid 7578] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7580] <... mkdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7580] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7578] <... futex resumed>) = 0 [pid 5005] lstat("./150/bus", [pid 7580] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7578] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7578] <... futex resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7580] mkdir("./bus", 000 [pid 7578] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7580] <... mkdir resumed>) = 0 [pid 5005] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7580] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7578] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7580] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7578] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7578] <... futex resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./150/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7580] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7578] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7583] chdir("./bus" [pid 5005] <... openat resumed>) = 4 [pid 5005] fstat(4, [pid 7583] <... chdir resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./150/bus" [pid 7583] ioctl(4, LOOP_CLR_FD [pid 5005] <... rmdir resumed>) = 0 [pid 7583] <... ioctl resumed>) = 0 [pid 5005] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7583] close(4 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7583] <... close resumed>) = 0 [pid 5005] lstat("./150/binderfs", [pid 7583] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7577] <... futex resumed>) = 0 [ 216.272326][ T7582] REISERFS (device loop4): Using r5 hash to sort names [ 216.288557][ T7580] overlayfs: upper fs needs to support d_type. [ 216.299243][ T7580] overlayfs: upper fs does not support tmpfile. [ 216.306750][ T7580] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 216.308559][ T7582] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7583] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7577] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7577] <... futex resumed>) = 0 [pid 7583] mkdir("./file1", 000 [pid 7577] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7583] <... mkdir resumed>) = 0 [pid 7583] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] unlink("./150/binderfs" [pid 7583] <... futex resumed>) = 1 [pid 7577] <... futex resumed>) = 0 [pid 7583] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7577] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... unlink resumed>) = 0 [pid 7583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7577] <... futex resumed>) = 0 [pid 7583] mkdir("./bus", 000 [pid 7580] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7578] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7577] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] getdents64(3, [pid 7583] <... mkdir resumed>) = 0 [pid 7580] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7578] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [ 216.315268][ T7580] overlayfs: failed to resolve './file0': -2 [pid 7583] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7580] <... futex resumed>) = 0 [pid 7578] <... futex resumed>) = 0 [pid 5005] close(3 [pid 7583] <... futex resumed>) = 1 [pid 7580] mkdir(".", 0777 [pid 7578] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7577] <... futex resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 7583] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7582] <... mount resumed>) = 0 [pid 7580] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7577] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] rmdir("./150" [pid 7583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7582] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7580] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7577] <... futex resumed>) = 0 [pid 7583] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7582] <... openat resumed>) = 3 [pid 7577] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... rmdir resumed>) = 0 [pid 7582] chdir("./bus" [pid 5005] mkdir("./151", 0777 [pid 7582] <... chdir resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 7582] ioctl(4, LOOP_CLR_FD [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7582] <... ioctl resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 7582] close(4 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 7582] <... close resumed>) = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7582] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] close(3 [pid 7582] <... futex resumed>) = 1 [pid 7579] <... futex resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 7582] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7579] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [ 216.348800][ T7582] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 216.368448][ T7583] overlayfs: upper fs needs to support d_type. [ 216.380438][ T7583] overlayfs: upper fs does not support tmpfile. [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7588 attached [pid 7582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7579] <... futex resumed>) = 0 [pid 7582] mkdir("./file1", 000 [pid 7579] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7588 [pid 7582] <... mkdir resumed>) = 0 [pid 7582] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7579] <... futex resumed>) = 0 [pid 7582] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7579] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7579] <... futex resumed>) = 0 [pid 7582] mkdir("./bus", 000 [pid 7579] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7582] <... mkdir resumed>) = 0 [pid 7582] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7579] <... futex resumed>) = 0 [pid 7582] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7579] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7579] <... futex resumed>) = 0 [pid 7582] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7579] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7580] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7580] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7578] <... futex resumed>) = 0 [pid 7578] exit_group(0) = ? [pid 7580] <... futex resumed>) = ? [pid 7588] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7577] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7588] chdir("./151" [pid 7577] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7588] <... chdir resumed>) = 0 [pid 7577] <... futex resumed>) = 0 [pid 7588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7588] <... prctl resumed>) = 0 [pid 7588] setpgid(0, 0 [pid 7577] <... mmap resumed>) = 0x7fe580439000 [pid 7577] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7588] <... setpgid resumed>) = 0 [pid 7577] <... mprotect resumed>) = 0 [pid 7588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7577] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7588] <... openat resumed>) = 3 [pid 7588] write(3, "1000", 4) = 4 [pid 7577] <... clone resumed>, parent_tid=[7589], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7589 [pid 7588] close(3 [pid 7577] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7588] <... close resumed>) = 0 [pid 7577] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7588] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7580] +++ exited with 0 +++ [pid 7578] +++ exited with 0 +++ ./strace-static-x86_64: Process 7589 attached [pid 7589] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7589] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7589] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7588] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7578, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 7588] <... futex resumed>) = 0 [pid 7588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7588] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7588] <... mprotect resumed>) = 0 [pid 7588] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 7590 attached [pid 7583] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7579] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 216.388238][ T7580] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 216.401365][ T7583] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 216.410794][ T7582] overlayfs: upper fs needs to support d_type. [ 216.425767][ T7582] overlayfs: upper fs does not support tmpfile. [ 216.428452][ T7583] overlayfs: failed to resolve './file0': -2 [ 216.435409][ T7582] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5008] fstat(3, [pid 7590] set_robust_list(0x7fe58847a9e0, 24 [pid 7588] <... clone resumed>, parent_tid=[7590], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7590 [pid 7583] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7579] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7579] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7579] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7591], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7591 [pid 7579] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7579] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7591 attached [pid 7591] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7591] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7591] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7590] <... set_robust_list resumed>) = 0 [pid 7588] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7583] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7590] memfd_create("syzkaller", 0 [pid 7588] <... futex resumed>) = 0 [pid 7583] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] getdents64(3, [pid 7590] <... memfd_create resumed>) = 3 [pid 7588] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7590] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7590] <... mmap resumed>) = 0x7fe58005a000 [ 216.458396][ T7589] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 216.472344][ T7582] overlayfs: failed to resolve './file0': -2 [pid 7582] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7582] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7589] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7582] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7589] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7589] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7577] <... futex resumed>) = 0 [pid 7577] exit_group(0 [pid 7591] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7591] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7579] <... futex resumed>) = 0 [pid 7579] exit_group(0 [pid 7583] <... futex resumed>) = ? [pid 7577] <... exit_group resumed>) = ? [pid 7589] <... futex resumed>) = ? [pid 7579] <... exit_group resumed>) = ? [pid 7589] +++ exited with 0 +++ [pid 7583] +++ exited with 0 +++ [pid 7591] <... futex resumed>) = ? [pid 7591] +++ exited with 0 +++ [pid 7577] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7577, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7582] <... futex resumed>) = ? [pid 7582] +++ exited with 0 +++ [pid 7579] +++ exited with 0 +++ [pid 5004] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7579, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... restart_syscall resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5004] fstat(3, [pid 5007] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] getdents64(3, [pid 5007] <... openat resumed>) = 3 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./151/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./151/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [ 216.500519][ T7591] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] rmdir("./151/bus") = 0 [pid 5008] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./151/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./151" [pid 7590] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] mkdir("./152", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7592 ./strace-static-x86_64: Process 7592 attached [pid 7592] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7592] chdir("./152") = 0 [pid 7592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7592] setpgid(0, 0) = 0 [pid 7592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7592] write(3, "1000", 4) = 4 [pid 7592] close(3) = 0 [pid 7592] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7592] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7592] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7592] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7593], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7593 [pid 7592] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7592] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7593 attached [pid 7593] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7593] memfd_create("syzkaller", 0) = 3 [pid 7593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./149/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./149/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./149/bus" [pid 7590] <... write resumed>) = 4194304 [pid 7590] munmap(0x7fe58005a000, 4194304 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./148/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./148/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./148/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7590] <... munmap resumed>) = 0 [pid 7590] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5004] <... openat resumed>) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, [pid 7590] ioctl(4, LOOP_SET_FD, 3 [pid 7593] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7590] <... ioctl resumed>) = 0 [pid 7590] close(3) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(4, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] lstat("./149/binderfs", [pid 5004] close(4 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./149/binderfs" [pid 5004] <... close resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, [pid 5004] rmdir("./148/bus" [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5007] rmdir("./149") = 0 [pid 5004] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] mkdir("./150", 0777) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] lstat("./148/binderfs", [pid 5007] <... openat resumed>) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] unlink("./148/binderfs" [pid 7590] mkdir("./bus", 0777 [pid 5007] close(3 [pid 7590] <... mkdir resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 7590] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] getdents64(3, [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7595 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./148"./strace-static-x86_64: Process 7595 attached [pid 7595] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5004] mkdir("./149", 0777 [pid 7595] chdir("./150") = 0 [pid 7595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7595] <... prctl resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7595] setpgid(0, 0 [pid 5004] close(3 [pid 7595] <... setpgid resumed>) = 0 [pid 7593] <... write resumed>) = 4194304 [ 216.692043][ T7590] loop2: detected capacity change from 0 to 8192 [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7596 [pid 7593] munmap(0x7fe58005a000, 4194304) = 0 [pid 7593] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7593] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7596 attached [pid 7595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7596] set_robust_list(0x5555568c85e0, 24 [pid 7595] write(3, "1000", 4 [pid 7593] <... ioctl resumed>) = 0 [pid 7593] close(3) = 0 [pid 7593] mkdir("./bus", 0777) = 0 [pid 7593] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7596] <... set_robust_list resumed>) = 0 [pid 7595] <... write resumed>) = 4 [pid 7595] close(3) = 0 [pid 7596] chdir("./149" [pid 7595] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7595] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7596] <... chdir resumed>) = 0 [pid 7595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7596] setpgid(0, 0) = 0 [pid 7596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7596] write(3, "1000", 4) = 4 [pid 7596] close(3) = 0 [pid 7596] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7596] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7596] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [ 216.742698][ T7590] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 216.755162][ T7593] loop5: detected capacity change from 0 to 8192 [ 216.771717][ T7590] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 216.781693][ T7590] REISERFS (device loop2): using ordered data mode [pid 7596] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7598 attached [pid 7595] <... mmap resumed>) = 0x7fe58845a000 [pid 7598] set_robust_list(0x7fe58847a9e0, 24 [pid 7596] <... clone resumed>, parent_tid=[7598], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7598 [pid 7595] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7598] <... set_robust_list resumed>) = 0 [pid 7598] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7596] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7598] <... futex resumed>) = 0 [pid 7596] <... futex resumed>) = 1 [pid 7598] memfd_create("syzkaller", 0 [pid 7596] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7598] <... memfd_create resumed>) = 3 [pid 7598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7595] <... mprotect resumed>) = 0 [pid 7595] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7599], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7599 [ 216.783115][ T7593] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 216.788655][ T7590] reiserfs: using flush barriers [ 216.801937][ T7593] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 216.817003][ T7593] REISERFS (device loop5): using ordered data mode [ 216.821241][ T7590] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7595] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7595] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7599 attached [pid 7599] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7599] memfd_create("syzkaller", 0) = 3 [pid 7599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 216.823999][ T7593] reiserfs: using flush barriers [ 216.846627][ T7593] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 216.863633][ T7593] REISERFS (device loop5): checking transaction log (loop5) [ 216.872695][ T7593] REISERFS (device loop5): Using r5 hash to sort names [ 216.880412][ T7593] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7598] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7593] <... mount resumed>) = 0 [pid 7593] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7593] chdir("./bus") = 0 [pid 7593] ioctl(4, LOOP_CLR_FD) = 0 [pid 7593] close(4) = 0 [pid 7593] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7593] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7592] <... futex resumed>) = 0 [pid 7592] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] <... futex resumed>) = 0 [pid 7592] <... futex resumed>) = 1 [pid 7593] mkdir("./file1", 000 [pid 7592] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7593] <... mkdir resumed>) = 0 [pid 7593] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7592] <... futex resumed>) = 0 [pid 7592] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] mkdir("./bus", 000 [pid 7592] <... futex resumed>) = 0 [pid 7593] <... mkdir resumed>) = 0 [pid 7592] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7599] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7593] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7593] <... futex resumed>) = 0 [pid 7592] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7592] <... futex resumed>) = 0 [ 216.893325][ T7593] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 216.907096][ T7590] REISERFS (device loop2): checking transaction log (loop2) [ 216.925644][ T7590] REISERFS (device loop2): Using r5 hash to sort names [ 216.929253][ T7593] overlayfs: upper fs needs to support d_type. [pid 7592] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7590] <... mount resumed>) = 0 [pid 7590] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7590] chdir("./bus") = 0 [pid 7590] ioctl(4, LOOP_CLR_FD) = 0 [pid 7590] close(4) = 0 [pid 7590] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7588] <... futex resumed>) = 0 [pid 7590] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7588] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7588] <... futex resumed>) = 0 [pid 7590] mkdir("./file1", 000 [pid 7588] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7590] <... mkdir resumed>) = 0 [pid 7590] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7599] <... write resumed>) = 4194304 [pid 7590] <... futex resumed>) = 1 [pid 7588] <... futex resumed>) = 0 [pid 7599] munmap(0x7fe58005a000, 4194304 [pid 7590] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7588] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7588] <... futex resumed>) = 0 [pid 7590] mkdir("./bus", 000 [pid 7588] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7590] <... mkdir resumed>) = 0 [pid 7590] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7588] <... futex resumed>) = 0 [pid 7590] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7588] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7599] <... munmap resumed>) = 0 [pid 7590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7588] <... futex resumed>) = 0 [pid 7599] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7590] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7588] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7599] <... openat resumed>) = 4 [pid 7592] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 216.942605][ T7590] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 216.956050][ T7590] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 216.961256][ T7593] overlayfs: upper fs does not support tmpfile. [pid 7599] ioctl(4, LOOP_SET_FD, 3 [pid 7592] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7592] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7592] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7600], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7600 [pid 7592] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7592] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7600 attached [pid 7600] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7600] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7600] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7599] <... ioctl resumed>) = 0 [pid 7599] close(3) = 0 [pid 7599] mkdir("./bus", 0777) = 0 [pid 7588] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7599] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7588] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7588] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7598] <... write resumed>) = 4194304 [pid 7588] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7598] munmap(0x7fe58005a000, 4194304 [pid 7588] <... clone resumed>, parent_tid=[7602], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7602 [pid 7588] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 217.002530][ T7590] overlayfs: upper fs needs to support d_type. [ 217.010087][ T7599] loop4: detected capacity change from 0 to 8192 [ 217.019857][ T7590] overlayfs: upper fs does not support tmpfile. [ 217.024021][ T7593] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 217.037009][ T7600] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7588] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7598] <... munmap resumed>) = 0 [pid 7600] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7600] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7592] <... futex resumed>) = 0 [pid 7600] <... futex resumed>) = 1 [pid 7600] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7602 attached [pid 7602] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7602] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7602] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7598] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 217.058372][ T7590] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 217.058440][ T7593] overlayfs: failed to resolve './file0': -2 [ 217.071940][ T7599] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 217.086481][ T7598] loop1: detected capacity change from 0 to 8192 [ 217.090310][ T7590] overlayfs: failed to resolve './file0': -2 [ 217.094598][ T7599] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7598] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7598] close(3 [pid 7593] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7593] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7593] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7602] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7602] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7588] <... futex resumed>) = 0 [pid 7602] <... futex resumed>) = 1 [pid 7602] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7598] <... close resumed>) = 0 [pid 7590] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7590] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7590] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7598] mkdir("./bus", 0777 [pid 7588] exit_group(0 [pid 7590] <... futex resumed>) = ? [pid 7588] <... exit_group resumed>) = ? [pid 7590] +++ exited with 0 +++ [pid 7598] <... mkdir resumed>) = 0 [pid 7598] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7592] exit_group(0 [pid 7600] <... futex resumed>) = ? [pid 7593] <... futex resumed>) = ? [pid 7592] <... exit_group resumed>) = ? [pid 7600] +++ exited with 0 +++ [pid 7593] +++ exited with 0 +++ [pid 7602] <... futex resumed>) = ? [pid 7592] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7592, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [ 217.099667][ T7602] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 217.108495][ T7599] REISERFS (device loop4): using ordered data mode [ 217.129452][ T7599] reiserfs: using flush barriers [ 217.138749][ T7599] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5008] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7602] +++ exited with 0 +++ [pid 7588] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7588, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 217.139665][ T7598] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 217.155448][ T7599] REISERFS (device loop4): checking transaction log (loop4) [ 217.175709][ T7598] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 217.182106][ T7599] REISERFS (device loop4): Using r5 hash to sort names [ 217.185148][ T7598] REISERFS (device loop1): using ordered data mode [ 217.199368][ T7598] reiserfs: using flush barriers [ 217.207459][ T7598] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 217.224311][ T7598] REISERFS (device loop1): checking transaction log (loop1) [ 217.232182][ T7599] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 217.245183][ T7599] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5005] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7599] <... mount resumed>) = 0 [pid 7599] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7599] chdir("./bus") = 0 [pid 7599] ioctl(4, LOOP_CLR_FD) = 0 [pid 7599] close(4) = 0 [pid 7599] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7595] <... futex resumed>) = 0 [pid 7599] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7595] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7595] <... futex resumed>) = 0 [pid 7599] mkdir("./file1", 000 [pid 7595] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7599] <... mkdir resumed>) = 0 [pid 7599] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7595] <... futex resumed>) = 0 [pid 7599] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7595] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7598] <... mount resumed>) = 0 [pid 7595] <... futex resumed>) = 0 [pid 7599] mkdir("./bus", 000 [pid 7598] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7595] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7599] <... mkdir resumed>) = 0 [pid 7599] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7598] <... openat resumed>) = 3 [pid 7599] <... futex resumed>) = 1 [pid 7598] chdir("./bus" [pid 7595] <... futex resumed>) = 0 [pid 7599] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7598] <... chdir resumed>) = 0 [ 217.254401][ T7598] REISERFS (device loop1): Using r5 hash to sort names [ 217.261573][ T7598] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 217.274955][ T7598] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7595] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7598] ioctl(4, LOOP_CLR_FD [pid 7595] <... futex resumed>) = 0 [pid 7599] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7598] <... ioctl resumed>) = 0 [pid 7595] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7598] close(4) = 0 [pid 7598] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7596] <... futex resumed>) = 0 [pid 7598] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7596] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7598] <... futex resumed>) = 0 [pid 7596] <... futex resumed>) = 1 [pid 7598] mkdir("./file1", 000 [pid 7596] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7598] <... mkdir resumed>) = 0 [pid 7598] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7596] <... futex resumed>) = 0 [pid 7598] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7596] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7596] <... futex resumed>) = 0 [pid 7598] mkdir("./bus", 000 [pid 7596] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7598] <... mkdir resumed>) = 0 [pid 7598] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7596] <... futex resumed>) = 0 [pid 7598] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7596] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7596] <... futex resumed>) = 0 [pid 7598] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7596] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... umount2 resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [ 217.333692][ T7599] overlayfs: upper fs needs to support d_type. [ 217.340302][ T7599] overlayfs: upper fs does not support tmpfile. [ 217.365080][ T7598] overlayfs: upper fs needs to support d_type. [pid 5005] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./151/bus", [pid 5008] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7595] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] lstat("./152/bus", [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] openat(AT_FDCWD, "./151/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./152/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] fstat(4, [pid 5008] <... openat resumed>) = 4 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7595] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] fstat(4, [pid 5005] getdents64(4, [pid 7595] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] getdents64(4, [pid 5005] getdents64(4, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(4, [pid 5005] close(4 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] <... close resumed>) = 0 [pid 5008] close(4 [pid 5005] rmdir("./151/bus" [pid 5008] <... close resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5008] rmdir("./152/bus" [pid 5005] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7595] <... mmap resumed>) = 0x7fe580439000 [pid 5008] <... rmdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7595] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] lstat("./151/binderfs", [pid 7595] <... mprotect resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7595] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] lstat("./152/binderfs", [pid 5005] unlink("./151/binderfs" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5008] unlink("./152/binderfs" [pid 5005] getdents64(3, [pid 5008] <... unlink resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(3, [pid 5005] close(3 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] <... close resumed>) = 0 [pid 5008] close(3 [pid 5005] rmdir("./151" [pid 5008] <... close resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 7596] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7595] <... clone resumed>, parent_tid=[7604], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7604 [pid 5008] rmdir("./152" [pid 5005] mkdir("./152", 0777 [pid 7596] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7595] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... rmdir resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5008] mkdir("./153", 0777 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] <... mkdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5005] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 7604 attached [pid 5008] <... openat resumed>) = 3 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7604] set_robust_list(0x7fe5804599e0, 24 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5005] close(3 [pid 7604] <... set_robust_list resumed>) = 0 [pid 7596] <... futex resumed>) = 0 [pid 7595] <... futex resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] <... close resumed>) = 0 [pid 7604] mkdir(".", 0777 [pid 5008] close(3 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7604] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7595] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... close resumed>) = 0 [pid 7604] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7605 [pid 7596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7606 [pid 7596] <... mmap resumed>) = 0x7fe580439000 [ 217.381696][ T7598] overlayfs: upper fs does not support tmpfile. [ 217.388626][ T7599] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 217.400311][ T7598] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 217.413931][ T7599] overlayfs: failed to resolve './file0': -2 [ 217.421763][ T7598] overlayfs: failed to resolve './file0': -2 ./strace-static-x86_64: Process 7606 attached [pid 7598] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7596] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7605 attached [pid 7605] set_robust_list(0x5555568c85e0, 24 [pid 7606] set_robust_list(0x5555568c85e0, 24 [pid 7605] <... set_robust_list resumed>) = 0 [pid 7598] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7596] <... mprotect resumed>) = 0 [pid 7599] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7606] <... set_robust_list resumed>) = 0 [pid 7605] chdir("./152" [pid 7599] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7598] <... futex resumed>) = 0 [pid 7596] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7607 attached [pid 7606] chdir("./153" [pid 7605] <... chdir resumed>) = 0 [pid 7599] <... futex resumed>) = 0 [pid 7598] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7604] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7607] set_robust_list(0x7fe5804599e0, 24 [pid 7606] <... chdir resumed>) = 0 [pid 7605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7604] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7599] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7596] <... clone resumed>, parent_tid=[7607], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7607 [pid 7607] <... set_robust_list resumed>) = 0 [pid 7606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7605] <... prctl resumed>) = 0 [pid 7596] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7607] mkdir(".", 0777 [pid 7606] <... prctl resumed>) = 0 [pid 7605] setpgid(0, 0 [pid 7604] <... futex resumed>) = 1 [pid 7596] <... futex resumed>) = 0 [pid 7595] <... futex resumed>) = 0 [pid 7607] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7606] setpgid(0, 0 [pid 7605] <... setpgid resumed>) = 0 [pid 7604] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7596] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7595] exit_group(0 [pid 7607] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7606] <... setpgid resumed>) = 0 [pid 7605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7604] <... futex resumed>) = ? [pid 7599] <... futex resumed>) = ? [pid 7595] <... exit_group resumed>) = ? [pid 7606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7605] <... openat resumed>) = 3 [pid 7605] write(3, "1000", 4) = 4 [pid 7605] close(3) = 0 [pid 7599] +++ exited with 0 +++ [pid 7605] symlink("/dev/binderfs", "./binderfs" [pid 7606] <... openat resumed>) = 3 [pid 7605] <... symlink resumed>) = 0 [pid 7605] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7605] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7606] write(3, "1000", 4 [pid 7605] <... mprotect resumed>) = 0 [pid 7605] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7606] <... write resumed>) = 4 [pid 7606] close(3 [pid 7605] <... clone resumed>, parent_tid=[7608], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7608 [pid 7606] <... close resumed>) = 0 [pid 7605] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7606] symlink("/dev/binderfs", "./binderfs" [pid 7605] <... futex resumed>) = 0 [pid 7605] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7608 attached [pid 7608] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7608] memfd_create("syzkaller", 0) = 3 [pid 7608] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7606] <... symlink resumed>) = 0 [pid 7606] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7606] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7606] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7609], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7609 [pid 7606] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7606] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7604] +++ exited with 0 +++ [pid 7595] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7595, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 7607] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... restart_syscall resumed>) = 0 [pid 7607] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 7607] <... futex resumed>) = 1 [pid 7596] <... futex resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7596] exit_group(0 [pid 5007] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7598] <... futex resumed>) = ? [pid 7596] <... exit_group resumed>) = ? [pid 7598] +++ exited with 0 +++ [pid 7607] +++ exited with 0 +++ [pid 7596] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7596, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- ./strace-static-x86_64: Process 7609 attached [pid 5004] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7609] set_robust_list(0x7fe58847a9e0, 24) = 0 [ 217.442985][ T7604] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 217.476048][ T7607] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7609] memfd_create("syzkaller", 0 [pid 5004] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7609] <... memfd_create resumed>) = 3 [pid 7609] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7608] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 7608] munmap(0x7fe58005a000, 4194304) = 0 [pid 7608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7608] ioctl(4, LOOP_SET_FD, 3 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./150/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./150/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./150/bus" [pid 7608] <... ioctl resumed>) = 0 [pid 7608] close(3) = 0 [pid 7608] mkdir("./bus", 0777) = 0 [pid 7608] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5007] <... rmdir resumed>) = 0 [pid 5007] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./150/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3 [pid 7609] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... close resumed>) = 0 [ 217.606061][ T7608] loop2: detected capacity change from 0 to 8192 [ 217.639297][ T7608] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5007] rmdir("./150") = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5007] mkdir("./151", 0777 [pid 5004] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... mkdir resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./149/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] umount2("./149/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... openat resumed>) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] openat(AT_FDCWD, "./149/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] close(3 [pid 5004] <... openat resumed>) = 4 [pid 5007] <... close resumed>) = 0 [pid 5004] fstat(4, [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7609] <... write resumed>) = 4194304 [pid 7609] munmap(0x7fe58005a000, 4194304) = 0 [pid 7609] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7609] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 7611 attached [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./149/bus") = 0 [pid 5004] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./149/binderfs", [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7611 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./149/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./149") = 0 [pid 5004] mkdir("./150", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7609] <... ioctl resumed>) = 0 [pid 7611] set_robust_list(0x5555568c85e0, 24 [pid 7609] close(3 [pid 5004] <... openat resumed>) = 3 [pid 7611] <... set_robust_list resumed>) = 0 [pid 7609] <... close resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 7611] chdir("./151" [pid 7609] mkdir("./bus", 0777 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7611] <... chdir resumed>) = 0 [pid 5004] close(3 [pid 7611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7609] <... mkdir resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 7611] setpgid(0, 0 [pid 7609] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7611] <... setpgid resumed>) = 0 [pid 7611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7611] <... openat resumed>) = 3 [pid 7611] write(3, "1000", 4) = 4 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7613 [ 217.653817][ T7608] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 217.663830][ T7608] REISERFS (device loop2): using ordered data mode [ 217.672809][ T7608] reiserfs: using flush barriers [ 217.693577][ T7609] loop5: detected capacity change from 0 to 8192 [pid 7611] close(3) = 0 ./strace-static-x86_64: Process 7613 attached [pid 7613] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7613] chdir("./150") = 0 [pid 7613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7613] setpgid(0, 0) = 0 [pid 7613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7611] symlink("/dev/binderfs", "./binderfs" [pid 7613] <... openat resumed>) = 3 [pid 7613] write(3, "1000", 4) = 4 [pid 7613] close(3) = 0 [pid 7613] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7613] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7611] <... symlink resumed>) = 0 [pid 7613] <... mmap resumed>) = 0x7fe58845a000 [pid 7613] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [ 217.707748][ T7609] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 217.710618][ T7608] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 217.731683][ T7609] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 217.746791][ T7609] REISERFS (device loop5): using ordered data mode [pid 7613] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7614], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7614 [pid 7613] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7613] <... futex resumed>) = 0 [pid 7611] <... futex resumed>) = 0 [pid 7613] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7614 attached [pid 7614] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7614] memfd_create("syzkaller", 0) = 3 [pid 7614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7611] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7611] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7615], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7615 [pid 7611] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7611] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7615 attached [pid 7615] set_robust_list(0x7fe58847a9e0, 24) = 0 [ 217.754204][ T7609] reiserfs: using flush barriers [ 217.760361][ T7609] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 217.777525][ T7608] REISERFS (device loop2): checking transaction log (loop2) [ 217.786854][ T7609] REISERFS (device loop5): checking transaction log (loop5) [ 217.796950][ T7608] REISERFS (device loop2): Using r5 hash to sort names [pid 7615] memfd_create("syzkaller", 0) = 3 [pid 7614] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7615] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 217.807199][ T7609] REISERFS (device loop5): Using r5 hash to sort names [ 217.808788][ T7608] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 217.818110][ T7609] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 217.841823][ T7608] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7608] <... mount resumed>) = 0 [pid 7608] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7608] chdir("./bus") = 0 [pid 7608] ioctl(4, LOOP_CLR_FD) = 0 [pid 7608] close(4) = 0 [pid 7608] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7608] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7605] <... futex resumed>) = 0 [pid 7605] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7608] <... futex resumed>) = 0 [pid 7605] <... futex resumed>) = 1 [pid 7608] mkdir("./file1", 000) = 0 [pid 7605] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7608] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7608] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7605] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7608] <... futex resumed>) = 0 [pid 7605] <... futex resumed>) = 1 [pid 7608] mkdir("./bus", 000 [pid 7605] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7608] <... mkdir resumed>) = 0 [pid 7608] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7605] <... futex resumed>) = 0 [pid 7608] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7605] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7605] <... futex resumed>) = 0 [pid 7608] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 217.852934][ T7609] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7605] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7609] <... mount resumed>) = 0 [pid 7609] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7609] chdir("./bus") = 0 [pid 7609] ioctl(4, LOOP_CLR_FD) = 0 [pid 7609] close(4) = 0 [pid 7609] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7609] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7606] <... futex resumed>) = 0 [pid 7606] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] <... futex resumed>) = 0 [pid 7606] <... futex resumed>) = 1 [pid 7609] mkdir("./file1", 000 [pid 7606] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7615] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7609] <... mkdir resumed>) = 0 [pid 7609] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7606] <... futex resumed>) = 0 [pid 7609] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7606] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7606] <... futex resumed>) = 0 [pid 7609] mkdir("./bus", 000 [pid 7606] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7609] <... mkdir resumed>) = 0 [pid 7609] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7606] <... futex resumed>) = 0 [pid 7605] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7609] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7606] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7606] <... futex resumed>) = 0 [ 217.888244][ T7608] overlayfs: upper fs needs to support d_type. [ 217.901375][ T7608] overlayfs: upper fs does not support tmpfile. [ 217.908339][ T7608] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 217.929145][ T7608] overlayfs: failed to resolve './file0': -2 [pid 7609] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7606] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7605] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7614] <... write resumed>) = 4194304 [pid 7605] <... futex resumed>) = 0 [pid 7614] munmap(0x7fe58005a000, 4194304 [pid 7605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7614] <... munmap resumed>) = 0 [pid 7614] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7605] <... mmap resumed>) = 0x7fe580439000 [pid 7614] <... openat resumed>) = 4 [pid 7605] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7614] ioctl(4, LOOP_SET_FD, 3 [pid 7608] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7605] <... mprotect resumed>) = 0 [pid 7614] <... ioctl resumed>) = 0 [pid 7608] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7605] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7614] close(3 [pid 7608] <... futex resumed>) = 0 [pid 7614] <... close resumed>) = 0 [pid 7614] mkdir("./bus", 0777 [pid 7608] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7605] <... clone resumed>, parent_tid=[7616], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7616 [pid 7614] <... mkdir resumed>) = 0 [pid 7605] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7614] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7605] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7616 attached [pid 7615] <... write resumed>) = 4194304 [pid 7605] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7616] set_robust_list(0x7fe5804599e0, 24 [ 217.962479][ T7609] overlayfs: upper fs needs to support d_type. [ 217.968708][ T7609] overlayfs: upper fs does not support tmpfile. [ 217.981921][ T7614] loop1: detected capacity change from 0 to 8192 [ 217.983584][ T7609] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 218.000444][ T7609] overlayfs: failed to resolve './file0': -2 [pid 7615] munmap(0x7fe58005a000, 4194304 [pid 7616] <... set_robust_list resumed>) = 0 [pid 7615] <... munmap resumed>) = 0 [pid 7616] mkdir(".", 0777 [pid 7615] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7616] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7615] <... openat resumed>) = 4 [pid 7616] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7615] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7615] close(3) = 0 [pid 7615] mkdir("./bus", 0777) = 0 [pid 7615] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7609] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7609] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7609] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7606] <... futex resumed>) = 0 [pid 7606] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] <... futex resumed>) = 0 [pid 7606] <... futex resumed>) = 1 [pid 7609] mkdir(".", 0777 [pid 7606] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7609] <... mkdir resumed>) = -1 EEXIST (File exists) [ 218.001720][ T7614] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 218.010758][ T7615] loop4: detected capacity change from 0 to 8192 [ 218.020659][ T7614] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 218.036789][ T7614] REISERFS (device loop1): using ordered data mode [ 218.044893][ T7615] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7609] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7616] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7609] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 218.048488][ T7609] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 218.058291][ T7614] reiserfs: using flush barriers [ 218.078204][ T7616] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 218.094008][ T7615] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7616] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7605] <... futex resumed>) = 0 [pid 7616] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7605] exit_group(0 [pid 7616] <... futex resumed>) = ? [pid 7608] <... futex resumed>) = ? [pid 7605] <... exit_group resumed>) = ? [pid 7616] +++ exited with 0 +++ [pid 7608] +++ exited with 0 +++ [pid 7605] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7605, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5005] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7609] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7606] <... futex resumed>) = 0 [pid 7606] exit_group(0) = ? [pid 7609] <... futex resumed>) = ? [pid 7609] +++ exited with 0 +++ [pid 7606] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7606, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 218.103284][ T7614] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 218.103651][ T7614] REISERFS (device loop1): checking transaction log (loop1) [ 218.119479][ T7615] REISERFS (device loop4): using ordered data mode [ 218.133564][ T7615] reiserfs: using flush barriers [ 218.139722][ T7615] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 218.156245][ T7615] REISERFS (device loop4): checking transaction log (loop4) [ 218.166383][ T7615] REISERFS (device loop4): Using r5 hash to sort names [ 218.174022][ T7614] REISERFS (device loop1): Using r5 hash to sort names [ 218.175525][ T7615] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 218.182427][ T7614] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 218.194154][ T7615] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5008] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7615] <... mount resumed>) = 0 [pid 7615] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7615] chdir("./bus") = 0 [pid 7615] ioctl(4, LOOP_CLR_FD) = 0 [pid 7615] close(4) = 0 [pid 7615] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] <... futex resumed>) = 0 [pid 7611] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7611] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7615] <... futex resumed>) = 1 [pid 7615] mkdir("./file1", 000) = 0 [pid 7615] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] <... futex resumed>) = 0 [pid 7611] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7611] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7615] <... futex resumed>) = 1 [pid 7615] mkdir("./bus", 000) = 0 [pid 7615] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] <... futex resumed>) = 0 [pid 7611] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7611] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7615] <... futex resumed>) = 1 [ 218.209900][ T7614] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 218.243131][ T7615] overlayfs: upper fs needs to support d_type. [ 218.250012][ T7615] overlayfs: upper fs does not support tmpfile. [ 218.257858][ T7615] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7615] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7614] <... mount resumed>) = 0 [pid 7614] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7614] chdir("./bus") = 0 [pid 7614] ioctl(4, LOOP_CLR_FD) = 0 [pid 7614] close(4) = 0 [pid 7614] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7613] <... futex resumed>) = 0 [pid 7613] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7613] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7614] <... futex resumed>) = 1 [pid 7614] mkdir("./file1", 000 [pid 7615] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7611] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7615] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7615] <... futex resumed>) = 0 [pid 7611] <... futex resumed>) = 0 [pid 7615] mkdir(".", 0777 [pid 7611] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7615] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7615] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7614] <... mkdir resumed>) = 0 [pid 7614] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7613] <... futex resumed>) = 0 [pid 7613] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7613] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7614] <... futex resumed>) = 1 [pid 7614] mkdir("./bus", 000) = 0 [pid 7614] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7613] <... futex resumed>) = 0 [pid 7613] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7614] <... futex resumed>) = 1 [pid 7613] <... futex resumed>) = 0 [pid 7614] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 218.267702][ T7615] overlayfs: failed to resolve './file0': -2 [ 218.298247][ T7615] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7613] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = 0 [pid 7615] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7615] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] <... futex resumed>) = 0 [pid 5008] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7611] exit_group(0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7611] <... exit_group resumed>) = ? [pid 7615] <... futex resumed>) = ? [pid 5008] lstat("./153/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./153/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5008] rmdir("./153/bus" [pid 5005] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7615] +++ exited with 0 +++ [pid 7611] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7611, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... rmdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] lstat("./152/bus", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] lstat("./153/binderfs", [pid 5005] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] unlink("./153/binderfs" [pid 5005] openat(AT_FDCWD, "./152/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... unlink resumed>) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5008] getdents64(3, [pid 7613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] fstat(4, [pid 7613] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7613] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7613] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7619], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7619 [pid 7613] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7613] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] close(3 [pid 5005] getdents64(4, [pid 5008] <... close resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] rmdir("./153" [pid 5005] getdents64(4, [pid 5008] <... rmdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] mkdir("./154", 0777 [pid 5005] close(4 [pid 5008] <... mkdir resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 7614] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5005] rmdir("./152/bus" [pid 7614] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 3 [pid 7614] <... futex resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5005] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7619 attached [pid 7614] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7619] set_robust_list(0x7fe5804599e0, 24 [pid 5008] <... close resumed>) = 0 [pid 7619] <... set_robust_list resumed>) = 0 [pid 7619] mkdir(".", 0777) = -1 EEXIST (File exists) [ 218.323884][ T7614] overlayfs: upper fs needs to support d_type. [ 218.330788][ T7614] overlayfs: upper fs does not support tmpfile. [ 218.351381][ T7614] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 218.361381][ T7614] overlayfs: failed to resolve './file0': -2 [pid 7619] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] lstat("./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7620 [pid 5005] unlink("./152/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./152") = 0 [pid 5005] mkdir("./153", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7621 ./strace-static-x86_64: Process 7621 attached [pid 7621] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7621] chdir("./153") = 0 [pid 7621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7621] setpgid(0, 0./strace-static-x86_64: Process 7620 attached ) = 0 [pid 7620] set_robust_list(0x5555568c85e0, 24 [pid 7621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7620] <... set_robust_list resumed>) = 0 [pid 7621] <... openat resumed>) = 3 [pid 7620] chdir("./154" [pid 7621] write(3, "1000", 4) = 4 [pid 7620] <... chdir resumed>) = 0 [pid 7619] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = 0 [pid 7620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7619] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7621] close(3 [pid 7620] <... prctl resumed>) = 0 [pid 7619] <... futex resumed>) = 1 [pid 7613] <... futex resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7621] <... close resumed>) = 0 [pid 7620] setpgid(0, 0 [pid 7619] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7613] exit_group(0 [pid 7621] symlink("/dev/binderfs", "./binderfs" [pid 7620] <... setpgid resumed>) = 0 [pid 7619] <... futex resumed>) = ? [pid 7613] <... exit_group resumed>) = ? [pid 5007] lstat("./151/bus", [pid 7621] <... symlink resumed>) = 0 [pid 7620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7619] +++ exited with 0 +++ [pid 7614] <... futex resumed>) = ? [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7621] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] <... openat resumed>) = 3 [pid 5007] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7620] write(3, "1000", 4 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 218.398111][ T7619] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7621] <... futex resumed>) = 0 [pid 7620] <... write resumed>) = 4 [pid 7614] +++ exited with 0 +++ [pid 7613] +++ exited with 0 +++ [pid 5007] openat(AT_FDCWD, "./151/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7620] close(3 [pid 5007] <... openat resumed>) = 4 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7613, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7621] <... mmap resumed>) = 0x7fe58845a000 [pid 7620] <... close resumed>) = 0 [pid 5007] fstat(4, [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 7621] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7620] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 7621] <... mprotect resumed>) = 0 [pid 7620] <... symlink resumed>) = 0 [pid 5007] getdents64(4, [pid 7621] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7620] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7620] <... futex resumed>) = 0 [pid 5007] getdents64(4, [pid 5004] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7621] <... clone resumed>, parent_tid=[7622], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7622 [pid 7620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7622 attached [pid 7621] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] <... mmap resumed>) = 0x7fe58845a000 [pid 5007] close(4 [pid 5004] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7622] set_robust_list(0x7fe58847a9e0, 24 [pid 7621] <... futex resumed>) = 0 [pid 7620] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] <... close resumed>) = 0 [pid 7622] <... set_robust_list resumed>) = 0 [pid 7621] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 7622] memfd_create("syzkaller", 0 [pid 7620] <... mprotect resumed>) = 0 [pid 5007] rmdir("./151/bus" [pid 5004] fstat(3, [pid 7622] <... memfd_create resumed>) = 3 [pid 7620] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 7623 attached ) = 0x7fe58005a000 [pid 5007] <... rmdir resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7623] set_robust_list(0x7fe58847a9e0, 24 [pid 7620] <... clone resumed>, parent_tid=[7623], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7623 [pid 5007] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(3, [pid 7623] <... set_robust_list resumed>) = 0 [pid 7620] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7623] memfd_create("syzkaller", 0 [pid 7620] <... futex resumed>) = 0 [pid 5007] lstat("./151/binderfs", [pid 5004] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7623] <... memfd_create resumed>) = 3 [pid 7620] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] unlink("./151/binderfs" [pid 7623] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./151") = 0 [pid 5007] mkdir("./152", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7624 ./strace-static-x86_64: Process 7624 attached [pid 7624] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7624] chdir("./152") = 0 [pid 7624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7624] setpgid(0, 0) = 0 [pid 7624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7624] write(3, "1000", 4) = 4 [pid 7624] close(3) = 0 [pid 7624] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7624] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7624] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7624] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7623] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7624] <... clone resumed>, parent_tid=[7625], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7625 [pid 7624] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7624] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7622] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 7625 attached [pid 7625] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7625] memfd_create("syzkaller", 0) = 3 [pid 7625] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7622] <... write resumed>) = 4194304 [pid 7622] munmap(0x7fe58005a000, 4194304) = 0 [pid 7622] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7622] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./150/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./150/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./150/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./150/bus") = 0 [pid 7622] <... ioctl resumed>) = 0 [pid 5004] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./150/binderfs", [pid 7622] close(3 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7622] <... close resumed>) = 0 [pid 5004] unlink("./150/binderfs" [pid 7622] mkdir("./bus", 0777 [pid 5004] <... unlink resumed>) = 0 [pid 7622] <... mkdir resumed>) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 7622] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5004] rmdir("./150") = 0 [pid 5004] mkdir("./151", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [ 218.621744][ T7622] loop2: detected capacity change from 0 to 8192 [pid 7625] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7623] <... write resumed>) = 4194304 [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7623] munmap(0x7fe58005a000, 4194304) = 0 ./strace-static-x86_64: Process 7627 attached [pid 7627] set_robust_list(0x5555568c85e0, 24 [pid 7623] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7627 [pid 7627] <... set_robust_list resumed>) = 0 [pid 7623] <... openat resumed>) = 4 [pid 7623] ioctl(4, LOOP_SET_FD, 3 [pid 7627] chdir("./151" [pid 7625] <... write resumed>) = 4194304 [pid 7623] <... ioctl resumed>) = 0 [pid 7623] close(3) = 0 [pid 7623] mkdir("./bus", 0777) = 0 [ 218.661664][ T7622] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 218.675487][ T7622] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 218.689243][ T7622] REISERFS (device loop2): using ordered data mode [ 218.696047][ T7622] reiserfs: using flush barriers [ 218.698091][ T7623] loop5: detected capacity change from 0 to 8192 [pid 7623] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7627] <... chdir resumed>) = 0 [pid 7627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7627] setpgid(0, 0) = 0 [pid 7627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7627] write(3, "1000", 4) = 4 [pid 7627] close(3) = 0 [pid 7627] symlink("/dev/binderfs", "./binderfs" [pid 7625] munmap(0x7fe58005a000, 4194304 [pid 7627] <... symlink resumed>) = 0 [pid 7627] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7625] <... munmap resumed>) = 0 [pid 7627] <... mmap resumed>) = 0x7fe58845a000 [pid 7625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7627] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7627] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7629], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7629 [pid 7627] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7625] <... openat resumed>) = 4 [pid 7627] <... futex resumed>) = 0 [pid 7625] ioctl(4, LOOP_SET_FD, 3 [pid 7627] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7625] <... ioctl resumed>) = 0 [pid 7625] close(3) = 0 [pid 7625] mkdir("./bus", 0777) = 0 [pid 7625] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7629 attached [pid 7629] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7629] memfd_create("syzkaller", 0) = 3 [ 218.707525][ T7622] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 218.718338][ T7623] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 218.724222][ T7622] REISERFS (device loop2): checking transaction log (loop2) [ 218.747351][ T7622] REISERFS (device loop2): Using r5 hash to sort names [ 218.752602][ T7625] loop4: detected capacity change from 0 to 8192 [pid 7629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7622] <... mount resumed>) = 0 [pid 7622] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7622] chdir("./bus") = 0 [pid 7622] ioctl(4, LOOP_CLR_FD) = 0 [pid 7622] close(4) = 0 [pid 7622] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7621] <... futex resumed>) = 0 [pid 7622] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7621] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7621] <... futex resumed>) = 0 [pid 7622] mkdir("./file1", 000 [pid 7621] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7622] <... mkdir resumed>) = 0 [pid 7622] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7621] <... futex resumed>) = 0 [pid 7622] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7621] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7621] <... futex resumed>) = 0 [pid 7622] mkdir("./bus", 000 [pid 7621] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7622] <... mkdir resumed>) = 0 [ 218.754525][ T7622] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 218.773489][ T7622] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 218.782793][ T7625] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 218.783148][ T7623] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 218.795876][ T7625] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7622] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7621] <... futex resumed>) = 0 [pid 7622] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7621] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7621] <... futex resumed>) = 0 [pid 7622] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7621] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 218.821303][ T7623] REISERFS (device loop5): using ordered data mode [ 218.828340][ T7623] reiserfs: using flush barriers [ 218.834641][ T7623] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 218.853067][ T7622] overlayfs: upper fs needs to support d_type. [ 218.859279][ T7622] overlayfs: upper fs does not support tmpfile. [ 218.864453][ T7625] REISERFS (device loop4): using ordered data mode [pid 7629] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 7629] munmap(0x7fe58005a000, 4194304) = 0 [pid 7629] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7621] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7621] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7629] <... openat resumed>) = 4 [pid 7621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7629] ioctl(4, LOOP_SET_FD, 3 [pid 7621] <... mmap resumed>) = 0x7fe580439000 [pid 7621] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7621] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7631], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7631 [pid 7621] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 218.888703][ T7622] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 218.900154][ T7623] REISERFS (device loop5): checking transaction log (loop5) [ 218.903487][ T7625] reiserfs: using flush barriers [ 218.918027][ T7629] loop1: detected capacity change from 0 to 8192 [ 218.923202][ T7622] overlayfs: failed to resolve './file0': -2 [pid 7621] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7631 attached [pid 7631] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7631] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7631] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7629] <... ioctl resumed>) = 0 [pid 7629] close(3) = 0 [pid 7629] mkdir("./bus", 0777) = 0 [ 218.925412][ T7625] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 218.940385][ T7623] REISERFS (device loop5): Using r5 hash to sort names [ 218.947618][ T7625] REISERFS (device loop4): checking transaction log (loop4) [ 218.961958][ T7623] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 218.971769][ T7629] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7629] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7623] <... mount resumed>) = 0 [pid 7623] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7623] chdir("./bus") = 0 [pid 7623] ioctl(4, LOOP_CLR_FD) = 0 [pid 7623] close(4) = 0 [pid 7623] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7622] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7620] <... futex resumed>) = 0 [pid 7620] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7620] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7623] <... futex resumed>) = 1 [pid 7623] mkdir("./file1", 000) = 0 [pid 7623] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] <... futex resumed>) = 0 [pid 7620] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7620] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7623] <... futex resumed>) = 1 [pid 7623] mkdir("./bus", 000) = 0 [pid 7623] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] <... futex resumed>) = 0 [pid 7620] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7620] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7623] <... futex resumed>) = 1 [pid 7623] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7622] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 218.976209][ T7623] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 218.996701][ T7629] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 218.996794][ T7629] REISERFS (device loop1): using ordered data mode [ 219.021337][ T7625] REISERFS (device loop4): Using r5 hash to sort names [ 219.021403][ T7629] reiserfs: using flush barriers [ 219.028367][ T7625] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 219.039521][ T7623] overlayfs: upper fs needs to support d_type. [ 219.050126][ T7625] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 219.052851][ T7631] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7622] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7631] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7625] <... mount resumed>) = 0 [pid 7620] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7631] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7625] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7620] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] <... futex resumed>) = 1 [pid 7625] <... openat resumed>) = 3 [pid 7620] <... futex resumed>) = 0 [pid 7631] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7625] chdir("./bus" [pid 7621] <... futex resumed>) = 0 [pid 7620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7625] <... chdir resumed>) = 0 [pid 7621] exit_group(0 [pid 7631] <... futex resumed>) = ? [pid 7621] <... exit_group resumed>) = ? [pid 7620] <... mmap resumed>) = 0x7fe580439000 [pid 7625] ioctl(4, LOOP_CLR_FD [pid 7622] <... futex resumed>) = ? [pid 7620] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7625] <... ioctl resumed>) = 0 [pid 7631] +++ exited with 0 +++ [pid 7625] close(4 [pid 7622] +++ exited with 0 +++ [pid 7621] +++ exited with 0 +++ [pid 7620] <... mprotect resumed>) = 0 [pid 7625] <... close resumed>) = 0 [pid 7620] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7621, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7625] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7624] <... futex resumed>) = 0 [pid 7620] <... clone resumed>, parent_tid=[7633], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7633 [pid 7625] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7624] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7624] <... futex resumed>) = 0 [pid 7624] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7625] mkdir("./file1", 000 [pid 7620] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7625] <... mkdir resumed>) = 0 [pid 7620] <... futex resumed>) = 0 [pid 7625] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7633 attached [pid 7625] <... futex resumed>) = 1 [pid 7624] <... futex resumed>) = 0 [pid 7623] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5005] <... openat resumed>) = 3 [pid 7633] set_robust_list(0x7fe5804599e0, 24 [pid 7625] mkdir("./bus", 000 [pid 7624] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7623] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7624] <... futex resumed>) = 0 [ 219.066250][ T7629] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 219.077196][ T7623] overlayfs: upper fs does not support tmpfile. [ 219.102466][ T7623] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 219.111964][ T7623] overlayfs: failed to resolve './file0': -2 [ 219.118552][ T7629] REISERFS (device loop1): checking transaction log (loop1) [pid 7624] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] fstat(3, [pid 7625] <... mkdir resumed>) = 0 [pid 7623] <... futex resumed>) = 0 [pid 7633] <... set_robust_list resumed>) = 0 [pid 7623] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7633] mkdir(".", 0777 [pid 7625] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7625] <... futex resumed>) = 1 [pid 7624] <... futex resumed>) = 0 [pid 7625] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7624] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7633] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7624] <... futex resumed>) = 0 [pid 7624] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7633] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7629] <... mount resumed>) = 0 [ 219.145423][ T7629] REISERFS (device loop1): Using r5 hash to sort names [ 219.153145][ T7629] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 219.154356][ T7625] overlayfs: upper fs needs to support d_type. [ 219.166049][ T7629] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 219.173182][ T7625] overlayfs: upper fs does not support tmpfile. [pid 7624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7624] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7624] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7629] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7624] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7634 attached [pid 7629] <... openat resumed>) = 3 [pid 7624] <... clone resumed>, parent_tid=[7634], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7634 [pid 7624] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7624] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7634] set_robust_list(0x7fe5804599e0, 24 [pid 7629] chdir("./bus" [pid 7634] <... set_robust_list resumed>) = 0 [pid 7633] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7629] <... chdir resumed>) = 0 [pid 7634] mkdir(".", 0777 [pid 7629] ioctl(4, LOOP_CLR_FD [pid 7634] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7634] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7629] <... ioctl resumed>) = 0 [pid 7629] close(4) = 0 [pid 7629] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7629] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7633] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7633] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7627] <... futex resumed>) = 0 [pid 7620] <... futex resumed>) = 0 [pid 7627] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] exit_group(0 [pid 7629] <... futex resumed>) = 0 [pid 7627] <... futex resumed>) = 1 [pid 7623] <... futex resumed>) = ? [pid 7620] <... exit_group resumed>) = ? [pid 7629] mkdir("./file1", 000 [pid 7623] +++ exited with 0 +++ [pid 7627] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7629] <... mkdir resumed>) = 0 [pid 7629] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7627] <... futex resumed>) = 0 [pid 7627] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7627] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7629] mkdir("./bus", 000 [pid 7633] <... futex resumed>) = ? [pid 7629] <... mkdir resumed>) = 0 [pid 7629] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7627] <... futex resumed>) = 0 [pid 7629] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7627] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 219.188239][ T7633] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 219.188985][ T7625] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 219.226779][ T7634] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7627] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7633] +++ exited with 0 +++ [pid 7620] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7620, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5008] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 219.251506][ T7629] overlayfs: upper fs needs to support d_type. [ 219.272353][ T7629] overlayfs: upper fs does not support tmpfile. [ 219.285501][ T7629] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5008] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7634] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7627] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7634] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7634] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7624] <... futex resumed>) = 0 [pid 7627] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7629] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7627] <... mmap resumed>) = 0x7fe580439000 [pid 7629] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7627] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7629] <... futex resumed>) = 0 [pid 7629] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7627] <... mprotect resumed>) = 0 [pid 7627] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... umount2 resumed>) = 0 [pid 7627] <... clone resumed>, parent_tid=[7636], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7636 [pid 7625] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7627] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7627] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7625] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7624] exit_group(0 [pid 7634] <... futex resumed>) = ? [pid 7624] <... exit_group resumed>) = ? [pid 7634] +++ exited with 0 +++ [pid 7625] +++ exited with 0 +++ [pid 7624] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7624, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5007] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... openat resumed>) = 3 [pid 5005] lstat("./153/bus", [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 5005] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] openat(AT_FDCWD, "./153/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7636 attached [pid 5005] close(4 [pid 7636] set_robust_list(0x7fe5804599e0, 24 [pid 5005] <... close resumed>) = 0 [pid 5005] rmdir("./153/bus" [pid 7636] <... set_robust_list resumed>) = 0 [pid 7636] mkdir(".", 0777 [pid 5005] <... rmdir resumed>) = 0 [pid 5005] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7636] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5005] lstat("./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 219.297845][ T7625] overlayfs: failed to resolve './file0': -2 [ 219.299232][ T7629] overlayfs: failed to resolve './file0': -2 [pid 5005] unlink("./153/binderfs" [pid 7636] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5005] <... unlink resumed>) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./153") = 0 [pid 5005] mkdir("./154", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7637 attached [pid 7637] set_robust_list(0x5555568c85e0, 24 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7637 [pid 7637] <... set_robust_list resumed>) = 0 [pid 7637] chdir("./154") = 0 [pid 7637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7637] setpgid(0, 0) = 0 [pid 7637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7637] write(3, "1000", 4) = 4 [pid 7637] close(3) = 0 [pid 7637] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7637] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7637] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7637] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7638], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7638 [pid 7637] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7637] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7638 attached [pid 7638] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] <... umount2 resumed>) = 0 [pid 7638] <... set_robust_list resumed>) = 0 [pid 7636] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7638] memfd_create("syzkaller", 0 [pid 7636] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7638] <... memfd_create resumed>) = 3 [pid 7627] <... futex resumed>) = 0 [pid 7638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7636] <... futex resumed>) = 1 [pid 5007] lstat("./152/bus", [pid 7627] exit_group(0 [pid 7638] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7627] <... exit_group resumed>) = ? [pid 7629] <... futex resumed>) = ? [pid 5007] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7629] +++ exited with 0 +++ [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./154/bus", [pid 5007] openat(AT_FDCWD, "./152/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4 [pid 7636] +++ exited with 0 +++ [pid 7627] +++ exited with 0 +++ [pid 5007] <... close resumed>) = 0 [pid 5007] rmdir("./152/bus" [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7627, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5008] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... restart_syscall resumed>) = 0 [pid 5007] lstat("./152/binderfs", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./152/binderfs" [pid 5004] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "./154/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... unlink resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5004] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] <... openat resumed>) = 4 [pid 5007] close(3 [pid 5004] <... openat resumed>) = 3 [pid 5008] fstat(4, [pid 5007] <... close resumed>) = 0 [pid 5004] fstat(3, [pid 5007] rmdir("./152" [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 5007] <... rmdir resumed>) = 0 [pid 5004] getdents64(3, [pid 5007] mkdir("./153", 0777 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [ 219.382699][ T7636] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] getdents64(4, [pid 5007] <... mkdir resumed>) = 0 [pid 5004] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5008] close(4) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5008] rmdir("./154/bus") = 0 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5008] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] lstat("./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] close(3 [pid 5008] unlink("./154/binderfs") = 0 [pid 5007] <... close resumed>) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./154") = 0 [pid 5008] mkdir("./155", 0777) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7639 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7640 ./strace-static-x86_64: Process 7640 attached [pid 7638] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 7639 attached [pid 7639] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7639] chdir("./153") = 0 [pid 7639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7639] setpgid(0, 0) = 0 [pid 7639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7639] write(3, "1000", 4) = 4 [pid 7639] close(3) = 0 [pid 7639] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7639] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7640] set_robust_list(0x5555568c85e0, 24 [pid 7639] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7640] <... set_robust_list resumed>) = 0 [pid 7640] chdir("./155" [pid 7639] <... mprotect resumed>) = 0 [pid 7640] <... chdir resumed>) = 0 [pid 7640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7639] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7640] <... prctl resumed>) = 0 [pid 7640] setpgid(0, 0) = 0 [pid 7639] <... clone resumed>, parent_tid=[7641], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7641 [pid 7640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7639] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7640] <... openat resumed>) = 3 [pid 7639] <... futex resumed>) = 0 [pid 7640] write(3, "1000", 4 [pid 7639] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7640] <... write resumed>) = 4 [pid 7640] close(3) = 0 [pid 7640] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7640] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7640] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7640] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7641 attached , parent_tid=[7642], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7642 [pid 7640] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7640] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7641] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7641] memfd_create("syzkaller", 0) = 3 [pid 7641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 7642 attached [pid 7642] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7642] memfd_create("syzkaller", 0) = 3 [pid 7642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./151/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./151/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./151/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./151/bus") = 0 [pid 7638] <... write resumed>) = 4194304 [pid 7638] munmap(0x7fe58005a000, 4194304 [pid 5004] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7638] <... munmap resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] lstat("./151/binderfs", [pid 7638] <... openat resumed>) = 4 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7638] ioctl(4, LOOP_SET_FD, 3 [pid 5004] unlink("./151/binderfs" [pid 7641] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... unlink resumed>) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./151") = 0 [pid 5004] mkdir("./152", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7643 ./strace-static-x86_64: Process 7643 attached [pid 7638] <... ioctl resumed>) = 0 [pid 7638] close(3) = 0 [pid 7638] mkdir("./bus", 0777 [pid 7643] set_robust_list(0x5555568c85e0, 24 [pid 7638] <... mkdir resumed>) = 0 [pid 7638] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7643] <... set_robust_list resumed>) = 0 [pid 7643] chdir("./152") = 0 [pid 7643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7642] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7643] setpgid(0, 0) = 0 [ 219.575945][ T7638] loop2: detected capacity change from 0 to 8192 [pid 7643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7643] write(3, "1000", 4) = 4 [pid 7643] close(3) = 0 [pid 7643] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7643] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7643] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7643] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7645], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7645 [pid 7643] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7645 attached ) = 0 [pid 7641] <... write resumed>) = 4194304 [pid 7645] set_robust_list(0x7fe58847a9e0, 24 [pid 7643] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7641] munmap(0x7fe58005a000, 4194304 [pid 7645] <... set_robust_list resumed>) = 0 [pid 7645] memfd_create("syzkaller", 0 [pid 7641] <... munmap resumed>) = 0 [pid 7645] <... memfd_create resumed>) = 3 [pid 7641] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7645] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7641] <... openat resumed>) = 4 [ 219.615520][ T7638] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 219.643145][ T7638] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 219.655180][ T7638] REISERFS (device loop2): using ordered data mode [ 219.663594][ T7638] reiserfs: using flush barriers [pid 7641] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7641] close(3) = 0 [pid 7641] mkdir("./bus", 0777) = 0 [pid 7641] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7642] <... write resumed>) = 4194304 [pid 7642] munmap(0x7fe58005a000, 4194304) = 0 [pid 7642] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7642] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7642] close(3) = 0 [ 219.670478][ T7641] loop4: detected capacity change from 0 to 8192 [ 219.670881][ T7638] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 219.700708][ T7641] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 219.712893][ T7642] loop5: detected capacity change from 0 to 8192 [pid 7645] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7642] mkdir("./bus", 0777) = 0 [ 219.721921][ T7641] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 219.723105][ T7638] REISERFS (device loop2): checking transaction log (loop2) [ 219.741294][ T7641] REISERFS (device loop4): using ordered data mode [ 219.748583][ T7641] reiserfs: using flush barriers [ 219.753950][ T7638] REISERFS (device loop2): Using r5 hash to sort names [ 219.761027][ T7638] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7642] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7645] <... write resumed>) = 4194304 [pid 7645] munmap(0x7fe58005a000, 4194304) = 0 [pid 7645] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7645] ioctl(4, LOOP_SET_FD, 3 [pid 7638] <... mount resumed>) = 0 [pid 7645] <... ioctl resumed>) = 0 [pid 7645] close(3) = 0 [pid 7645] mkdir("./bus", 0777) = 0 [pid 7645] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7638] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7638] chdir("./bus") = 0 [pid 7638] ioctl(4, LOOP_CLR_FD) = 0 [pid 7638] close(4) = 0 [pid 7638] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7638] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7637] <... futex resumed>) = 0 [ 219.764389][ T7641] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 219.774399][ T7638] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 219.793730][ T7645] loop1: detected capacity change from 0 to 8192 [ 219.800402][ T7641] REISERFS (device loop4): checking transaction log (loop4) [ 219.811456][ T7642] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7637] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7638] <... futex resumed>) = 0 [pid 7637] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7638] mkdir("./file1", 000) = 0 [pid 7638] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7637] <... futex resumed>) = 0 [pid 7638] mkdir("./bus", 000 [pid 7637] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7638] <... mkdir resumed>) = 0 [pid 7637] <... futex resumed>) = 0 [pid 7638] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7637] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7638] <... futex resumed>) = 0 [pid 7637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7638] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 219.826742][ T7642] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 219.836665][ T7645] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 219.852809][ T7645] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 219.863980][ T7645] REISERFS (device loop1): using ordered data mode [ 219.865233][ T7638] overlayfs: upper fs needs to support d_type. [pid 7637] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 219.870535][ T7645] reiserfs: using flush barriers [ 219.882221][ T7641] REISERFS (device loop4): Using r5 hash to sort names [ 219.882437][ T7642] REISERFS (device loop5): using ordered data mode [ 219.889240][ T7641] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 219.907104][ T7638] overlayfs: upper fs does not support tmpfile. [ 219.909416][ T7641] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7637] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7637] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7637] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7637] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7649], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7649 [pid 7637] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7637] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7649 attached [pid 7649] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7649] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7649] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7641] <... mount resumed>) = 0 [ 219.916856][ T7638] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 219.923639][ T7645] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 219.923979][ T7645] REISERFS (device loop1): checking transaction log (loop1) [ 219.939622][ T7642] reiserfs: using flush barriers [ 219.949847][ T7638] overlayfs: failed to resolve './file0': -2 [pid 7641] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 219.969205][ T7642] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 219.973058][ T7645] REISERFS (device loop1): Using r5 hash to sort names [ 219.987315][ T7642] REISERFS (device loop5): checking transaction log (loop5) [ 219.993121][ T7649] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 220.001480][ T7645] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7649] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7641] chdir("./bus" [pid 7638] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7638] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7638] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7649] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7641] <... chdir resumed>) = 0 [pid 7645] <... mount resumed>) = 0 [pid 7645] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7645] chdir("./bus") = 0 [pid 7645] ioctl(4, LOOP_CLR_FD) = 0 [pid 7645] close(4) = 0 [pid 7645] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] <... futex resumed>) = 0 [pid 7643] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7643] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7645] <... futex resumed>) = 1 [pid 7645] mkdir("./file1", 000) = 0 [pid 7649] <... futex resumed>) = 1 [pid 7641] ioctl(4, LOOP_CLR_FD [pid 7637] <... futex resumed>) = 0 [pid 7637] exit_group(0 [pid 7638] <... futex resumed>) = ? [pid 7637] <... exit_group resumed>) = ? [pid 7638] +++ exited with 0 +++ [pid 7645] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] <... futex resumed>) = 0 [pid 7643] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7643] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7645] <... futex resumed>) = 1 [pid 7645] mkdir("./bus", 000 [pid 7641] <... ioctl resumed>) = 0 [pid 7645] <... mkdir resumed>) = 0 [pid 7645] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] <... futex resumed>) = 0 [pid 7643] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7643] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7645] <... futex resumed>) = 1 [pid 7645] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7649] +++ exited with 0 +++ [pid 7637] +++ exited with 0 +++ [pid 7641] close(4) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7637, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7642] <... mount resumed>) = 0 [pid 7641] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 7642] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7641] <... futex resumed>) = 1 [pid 7639] <... futex resumed>) = 0 [pid 5005] <... restart_syscall resumed>) = 0 [pid 7641] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7639] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7641] mkdir("./file1", 000) = 0 [pid 7639] <... futex resumed>) = 0 [pid 7642] <... openat resumed>) = 3 [pid 7639] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7641] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7639] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7641] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7639] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7639] <... futex resumed>) = 0 [pid 7641] mkdir("./bus", 000 [pid 7639] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... openat resumed>) = 3 [pid 7642] chdir("./bus" [pid 7641] <... mkdir resumed>) = 0 [pid 5005] fstat(3, [pid 7641] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7641] <... futex resumed>) = 1 [pid 7639] <... futex resumed>) = 0 [pid 7641] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7639] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] getdents64(3, [pid 7641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7639] <... futex resumed>) = 0 [ 220.015747][ T7642] REISERFS (device loop5): Using r5 hash to sort names [ 220.028149][ T7645] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 220.034607][ T7642] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 220.056315][ T7642] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7641] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7639] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7642] <... chdir resumed>) = 0 [pid 5005] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7642] ioctl(4, LOOP_CLR_FD) = 0 [pid 7642] close(4) = 0 [pid 7642] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7640] <... futex resumed>) = 0 [pid 7642] mkdir("./file1", 000 [pid 7640] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7640] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7642] <... mkdir resumed>) = 0 [pid 7642] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7640] <... futex resumed>) = 0 [pid 7640] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7640] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7642] mkdir("./bus", 000) = 0 [pid 7642] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7640] <... futex resumed>) = 0 [pid 7642] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7640] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7640] <... futex resumed>) = 0 [pid 7642] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7640] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7643] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7643] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7643] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7643] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7650], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7650 [pid 7643] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 220.079857][ T7641] overlayfs: upper fs needs to support d_type. [ 220.086945][ T7645] overlayfs: upper fs needs to support d_type. [ 220.097448][ T7641] overlayfs: upper fs does not support tmpfile. [ 220.113347][ T7642] overlayfs: upper fs needs to support d_type. [ 220.119584][ T7642] overlayfs: upper fs does not support tmpfile. [pid 7643] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7639] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7639] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7639] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7639] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7651], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7651 [pid 7639] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7639] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7650 attached [pid 7650] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7650] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7650] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7651 attached [pid 7651] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7651] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7651] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7640] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7640] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7640] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7640] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7652], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7652 [pid 7640] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 220.126398][ T7645] overlayfs: upper fs does not support tmpfile. [ 220.132344][ T7642] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 220.141092][ T7641] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 220.142452][ T7642] overlayfs: failed to resolve './file0': -2 [ 220.149900][ T7641] overlayfs: failed to resolve './file0': -2 [pid 7640] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7642] <... mount resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 7652 attached [pid 7652] set_robust_list(0x7fe5804599e0, 24 [pid 7642] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7652] <... set_robust_list resumed>) = 0 [pid 7652] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7652] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7642] <... futex resumed>) = 0 [pid 7642] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7651] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7651] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7639] <... futex resumed>) = 0 [pid 7651] <... futex resumed>) = 1 [ 220.169231][ T7651] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 220.170913][ T7650] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7651] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7650] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = 0 [pid 7650] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7641] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7641] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7641] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7650] <... futex resumed>) = 1 [pid 7643] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7650] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] lstat("./154/bus", [pid 7639] exit_group(0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7651] <... futex resumed>) = ? [pid 7641] <... futex resumed>) = ? [pid 7639] <... exit_group resumed>) = ? [pid 7652] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7651] +++ exited with 0 +++ [pid 7641] +++ exited with 0 +++ [pid 5005] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7639] +++ exited with 0 +++ [pid 7652] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7639, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./154/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7652] <... futex resumed>) = 1 [pid 7640] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 4 [pid 7652] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7640] exit_group(0 [pid 7652] <... futex resumed>) = ? [pid 7642] <... futex resumed>) = ? [pid 7640] <... exit_group resumed>) = ? [pid 5007] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(4, [pid 7652] +++ exited with 0 +++ [pid 7642] +++ exited with 0 +++ [pid 7640] +++ exited with 0 +++ [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] getdents64(4, [pid 5007] <... openat resumed>) = 3 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] fstat(3, [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7640, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5005] close(4 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5005] rmdir("./154/bus" [pid 5007] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... rmdir resumed>) = 0 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] lstat("./154/binderfs", [pid 7645] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7645] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] unlink("./154/binderfs") = 0 [pid 5005] getdents64(3, [pid 7643] exit_group(0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3 [pid 7650] <... futex resumed>) = ? [pid 7643] <... exit_group resumed>) = ? [pid 5005] <... close resumed>) = 0 [pid 5005] rmdir("./154") = 0 [pid 7650] +++ exited with 0 +++ [pid 5005] mkdir("./155", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7653 [pid 7645] <... futex resumed>) = ? [pid 7645] +++ exited with 0 +++ [pid 7643] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7643, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 220.223931][ T7652] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 220.240002][ T7645] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 220.256789][ T7645] overlayfs: failed to resolve './file0': -2 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7653 attached [pid 7653] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7653] chdir("./155") = 0 [pid 7653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7653] setpgid(0, 0) = 0 [pid 7653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7653] write(3, "1000", 4) = 4 [pid 7653] close(3) = 0 [pid 7653] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7653] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7653] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7653] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7654], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7654 [pid 7653] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7653] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7654 attached [pid 7654] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7654] memfd_create("syzkaller", 0) = 3 [pid 7654] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 5004] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 5007] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./152/bus", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./153/bus", [pid 5008] lstat("./155/bus", [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./152/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./152/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./153/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... openat resumed>) = 4 [pid 5008] openat(AT_FDCWD, "./155/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... openat resumed>) = 4 [pid 5004] fstat(4, [pid 5007] fstat(4, [pid 5008] <... openat resumed>) = 4 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] fstat(4, [pid 5007] getdents64(4, [pid 5004] getdents64(4, [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, [pid 5008] getdents64(4, [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] getdents64(4, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] close(4 [pid 5008] getdents64(4, [pid 5007] <... close resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] rmdir("./153/bus" [pid 5004] close(4 [pid 5007] <... rmdir resumed>) = 0 [pid 5008] close(4 [pid 5007] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] rmdir("./155/bus" [pid 5007] lstat("./153/binderfs", [pid 5004] rmdir("./152/bus") = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] unlink("./153/binderfs" [pid 5004] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... unlink resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5004] lstat("./152/binderfs", [pid 5008] lstat("./155/binderfs", [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] close(3 [pid 5004] unlink("./152/binderfs" [pid 5008] unlink("./155/binderfs" [pid 5007] <... close resumed>) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5007] rmdir("./153" [pid 5004] getdents64(3, [pid 5008] getdents64(3, [pid 5007] <... rmdir resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] mkdir("./154", 0777 [pid 5004] close(3 [pid 7654] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] close(3 [pid 5007] <... mkdir resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] rmdir("./152" [pid 5008] rmdir("./155" [pid 5007] <... openat resumed>) = 3 [pid 5004] <... rmdir resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5004] mkdir("./153", 0777 [pid 5008] mkdir("./156", 0777 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] <... mkdir resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] close(3 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5007] <... close resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7655 [pid 5004] close(3 [pid 5008] close(3 [pid 5004] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7656 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7657 ./strace-static-x86_64: Process 7656 attached [pid 7656] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7656] chdir("./153") = 0 ./strace-static-x86_64: Process 7655 attached [pid 7655] set_robust_list(0x5555568c85e0, 24 [pid 7656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7655] <... set_robust_list resumed>) = 0 [pid 7655] chdir("./154") = 0 [pid 7656] setpgid(0, 0) = 0 [pid 7655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7655] setpgid(0, 0) = 0 [pid 7656] <... openat resumed>) = 3 [pid 7656] write(3, "1000", 4) = 4 [pid 7656] close(3) = 0 [pid 7656] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7656] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7655] <... openat resumed>) = 3 [pid 7656] <... mmap resumed>) = 0x7fe58845a000 [pid 7655] write(3, "1000", 4 [pid 7656] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 7657 attached [pid 7656] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7655] <... write resumed>) = 4 [pid 7656] <... clone resumed>, parent_tid=[7658], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7658 [pid 7655] close(3 [pid 7657] set_robust_list(0x5555568c85e0, 24 [pid 7656] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7656] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7657] <... set_robust_list resumed>) = 0 [pid 7655] <... close resumed>) = 0 [pid 7655] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 7658 attached [pid 7655] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] set_robust_list(0x7fe58847a9e0, 24 [pid 7657] chdir("./156" [pid 7655] <... futex resumed>) = 0 [pid 7657] <... chdir resumed>) = 0 [pid 7655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7655] <... mmap resumed>) = 0x7fe58845a000 [pid 7657] <... prctl resumed>) = 0 [pid 7655] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7658] <... set_robust_list resumed>) = 0 [pid 7655] <... mprotect resumed>) = 0 [pid 7657] setpgid(0, 0) = 0 [pid 7655] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7658] memfd_create("syzkaller", 0) = 3 [pid 7657] <... openat resumed>) = 3 [pid 7655] <... clone resumed>, parent_tid=[7659], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7659 [pid 7658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7657] write(3, "1000", 4 [pid 7655] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] <... mmap resumed>) = 0x7fe58005a000 [pid 7657] <... write resumed>) = 4 [pid 7655] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7659 attached [pid 7657] close(3) = 0 [pid 7655] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7659] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7657] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7657] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7657] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7659] memfd_create("syzkaller", 0 [pid 7657] <... mprotect resumed>) = 0 [pid 7657] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7659] <... memfd_create resumed>) = 3 [pid 7659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7657] <... clone resumed>, parent_tid=[7660], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7660 [pid 7657] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7659] <... mmap resumed>) = 0x7fe58005a000 [pid 7657] <... futex resumed>) = 0 [pid 7657] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7660 attached [pid 7660] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7654] <... write resumed>) = 4194304 [pid 7654] munmap(0x7fe58005a000, 4194304 [pid 7660] memfd_create("syzkaller", 0) = 3 [pid 7660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7654] <... munmap resumed>) = 0 [pid 7654] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7654] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7654] close(3) = 0 [pid 7654] mkdir("./bus", 0777) = 0 [pid 7654] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 220.536419][ T7654] loop2: detected capacity change from 0 to 8192 [pid 7658] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7659] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 220.577826][ T7654] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 220.590929][ T7654] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7660] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7659] <... write resumed>) = 4194304 [pid 7659] munmap(0x7fe58005a000, 4194304) = 0 [pid 7659] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7659] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7659] close(3) = 0 [pid 7659] mkdir("./bus", 0777) = 0 [pid 7659] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7658] <... write resumed>) = 4194304 [ 220.646634][ T7654] REISERFS (device loop2): using ordered data mode [ 220.655487][ T7659] loop4: detected capacity change from 0 to 8192 [ 220.669414][ T7654] reiserfs: using flush barriers [pid 7658] munmap(0x7fe58005a000, 4194304 [pid 7660] <... write resumed>) = 4194304 [pid 7660] munmap(0x7fe58005a000, 4194304) = 0 [pid 7660] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7660] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7660] close(3) = 0 [pid 7660] mkdir("./bus", 0777) = 0 [pid 7660] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7658] <... munmap resumed>) = 0 [pid 7658] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7658] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7658] close(3) = 0 [pid 7658] mkdir("./bus", 0777) = 0 [ 220.687660][ T7654] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 220.703563][ T7660] loop5: detected capacity change from 0 to 8192 [ 220.704824][ T7659] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 220.715785][ T7658] loop1: detected capacity change from 0 to 8192 [ 220.724547][ T7660] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 220.735588][ T7654] REISERFS (device loop2): checking transaction log (loop2) [ 220.749813][ T7659] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 220.759969][ T7659] REISERFS (device loop4): using ordered data mode [ 220.760535][ T7654] REISERFS (device loop2): Using r5 hash to sort names [ 220.766762][ T7660] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 220.774120][ T7659] reiserfs: using flush barriers [ 220.783427][ T7654] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 220.788892][ T7659] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 220.800367][ T7658] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 220.816420][ T7660] REISERFS (device loop5): using ordered data mode [ 220.830528][ T7654] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7658] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7654] <... mount resumed>) = 0 [pid 7654] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 220.835873][ T7660] reiserfs: using flush barriers [ 220.837002][ T7660] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 220.846780][ T7659] REISERFS (device loop4): checking transaction log (loop4) [ 220.850228][ T7660] REISERFS (device loop5): checking transaction log (loop5) [ 220.867558][ T7658] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7654] chdir("./bus") = 0 [pid 7654] ioctl(4, LOOP_CLR_FD) = 0 [pid 7654] close(4) = 0 [pid 7654] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7654] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7653] <... futex resumed>) = 0 [pid 7653] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7654] <... futex resumed>) = 0 [pid 7653] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7654] mkdir("./file1", 000) = 0 [pid 7654] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 220.893000][ T7660] REISERFS (device loop5): Using r5 hash to sort names [ 220.897122][ T7659] REISERFS (device loop4): Using r5 hash to sort names [ 220.909025][ T7660] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 220.911447][ T7658] REISERFS (device loop1): using ordered data mode [ 220.930546][ T7660] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7654] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7660] <... mount resumed>) = 0 [pid 7653] <... futex resumed>) = 0 [pid 7660] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7653] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] <... openat resumed>) = 3 [pid 7653] <... futex resumed>) = 1 [pid 7660] chdir("./bus" [pid 7653] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7660] <... chdir resumed>) = 0 [pid 7660] ioctl(4, LOOP_CLR_FD) = 0 [pid 7660] close(4) = 0 [pid 7654] <... futex resumed>) = 0 [pid 7660] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7654] mkdir("./bus", 000 [pid 7660] <... futex resumed>) = 1 [pid 7657] <... futex resumed>) = 0 [pid 7660] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7659] <... mount resumed>) = 0 [pid 7657] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7654] <... mkdir resumed>) = 0 [pid 7660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7659] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7657] <... futex resumed>) = 0 [pid 7660] mkdir("./file1", 000 [pid 7657] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7654] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] <... mkdir resumed>) = 0 [pid 7659] <... openat resumed>) = 3 [pid 7654] <... futex resumed>) = 1 [pid 7653] <... futex resumed>) = 0 [pid 7660] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7654] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7653] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] <... futex resumed>) = 1 [pid 7657] <... futex resumed>) = 0 [pid 7654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7653] <... futex resumed>) = 0 [pid 7660] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7657] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7654] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7653] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7657] <... futex resumed>) = 0 [pid 7660] mkdir("./bus", 000 [pid 7657] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7660] <... mkdir resumed>) = 0 [pid 7659] chdir("./bus" [pid 7660] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7657] <... futex resumed>) = 0 [ 220.932048][ T7659] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 220.940409][ T7658] reiserfs: using flush barriers [ 220.953105][ T7659] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 220.978632][ T7654] overlayfs: upper fs needs to support d_type. [pid 7660] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7657] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7657] <... futex resumed>) = 0 [pid 7660] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7659] <... chdir resumed>) = 0 [pid 7657] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7653] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7653] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7653] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7653] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7665], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7665 [pid 7653] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7653] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7659] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 7665 attached [pid 7665] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7665] mkdir(".", 0777) = -1 EEXIST (File exists) [ 220.991528][ T7658] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 220.993378][ T7654] overlayfs: upper fs does not support tmpfile. [ 221.011298][ T7658] REISERFS (device loop1): checking transaction log (loop1) [ 221.023158][ T7660] overlayfs: upper fs needs to support d_type. [ 221.029497][ T7658] REISERFS (device loop1): Using r5 hash to sort names [ 221.036720][ T7660] overlayfs: upper fs does not support tmpfile. [pid 7665] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7659] <... ioctl resumed>) = 0 [pid 7659] close(4) = 0 [pid 7657] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7657] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7657] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7657] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7666], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7666 [pid 7657] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7657] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7666 attached [pid 7666] set_robust_list(0x7fe5804599e0, 24 [pid 7659] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7655] <... futex resumed>) = 0 [pid 7659] mkdir("./file1", 000 [pid 7655] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7659] <... mkdir resumed>) = 0 [pid 7655] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7659] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7659] <... futex resumed>) = 0 [pid 7655] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7659] mkdir("./bus", 000 [pid 7655] <... futex resumed>) = 0 [pid 7659] <... mkdir resumed>) = 0 [pid 7655] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7659] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] <... mount resumed>) = 0 [pid 7655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7659] <... futex resumed>) = 0 [pid 7655] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7659] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7658] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7655] <... futex resumed>) = 0 [pid 7655] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7666] <... set_robust_list resumed>) = 0 [pid 7666] mkdir(".", 0777) = -1 EEXIST (File exists) [ 221.039667][ T7658] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 221.056903][ T7658] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 221.062219][ T7665] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 221.078557][ T7660] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7666] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7658] <... openat resumed>) = 3 [pid 7658] chdir("./bus" [pid 7665] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7665] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7653] <... futex resumed>) = 0 [pid 7665] <... futex resumed>) = 1 [pid 7665] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7658] <... chdir resumed>) = 0 [pid 7666] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7666] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7657] <... futex resumed>) = 0 [pid 7666] <... futex resumed>) = 1 [pid 7655] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7655] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [ 221.096574][ T7659] overlayfs: upper fs needs to support d_type. [ 221.099252][ T7654] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 221.104261][ T7660] overlayfs: failed to resolve './file0': -2 [ 221.114488][ T7666] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 221.116956][ T7659] overlayfs: upper fs does not support tmpfile. [ 221.136062][ T7654] overlayfs: failed to resolve './file0': -2 [pid 7655] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7655] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7667], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7667 [pid 7655] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] ioctl(4, LOOP_CLR_FD [pid 7655] <... futex resumed>) = 0 [pid 7658] <... ioctl resumed>) = 0 [pid 7655] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7667 attached [pid 7666] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7660] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7658] close(4 [pid 7667] set_robust_list(0x7fe5804599e0, 24 [pid 7660] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] <... close resumed>) = 0 [pid 7657] exit_group(0 [pid 7654] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7657] <... exit_group resumed>) = ? [pid 7654] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7654] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7653] exit_group(0 [pid 7665] <... futex resumed>) = ? [pid 7654] <... futex resumed>) = ? [pid 7653] <... exit_group resumed>) = ? [pid 7665] +++ exited with 0 +++ [pid 7654] +++ exited with 0 +++ [pid 7653] +++ exited with 0 +++ [pid 7659] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7659] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7659] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7666] <... futex resumed>) = ? [pid 7666] +++ exited with 0 +++ [pid 7667] <... set_robust_list resumed>) = 0 [pid 7660] <... futex resumed>) = ? [pid 7658] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7653, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=26 /* 0.26 s */} --- [pid 7667] mkdir(".", 0777 [pid 7660] +++ exited with 0 +++ [pid 7658] <... futex resumed>) = 1 [pid 7657] +++ exited with 0 +++ [pid 7656] <... futex resumed>) = 0 [pid 7667] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7658] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7656] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7667] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7656] <... futex resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7657, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5005] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7658] mkdir("./file1", 000 [ 221.138865][ T7659] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 221.154468][ T7659] overlayfs: failed to resolve './file0': -2 [pid 7656] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7658] <... mkdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7658] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... openat resumed>) = 3 [pid 7658] <... futex resumed>) = 1 [pid 7656] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5005] fstat(3, [pid 7658] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7656] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] fstat(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7656] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, [pid 7658] mkdir("./bus", 000 [pid 7656] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] getdents64(3, [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7658] <... mkdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7658] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7658] <... futex resumed>) = 1 [pid 7656] <... futex resumed>) = 0 [pid 7658] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7656] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7656] <... futex resumed>) = 0 [pid 7658] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7656] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7667] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7667] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7655] <... futex resumed>) = 0 [pid 7655] exit_group(0 [pid 7659] <... futex resumed>) = ? [pid 7655] <... exit_group resumed>) = ? [pid 7659] +++ exited with 0 +++ [ 221.186628][ T7667] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 221.217189][ T7658] overlayfs: upper fs needs to support d_type. [ 221.223773][ T7658] overlayfs: upper fs does not support tmpfile. [ 221.233559][ T7658] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7667] +++ exited with 0 +++ [pid 7655] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7655, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7656] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7656] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7656] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7656] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7668], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7668 [pid 7656] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7656] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7668 attached [pid 7668] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7668] mkdir(".", 0777) = -1 EEXIST (File exists) [ 221.244302][ T7658] overlayfs: failed to resolve './file0': -2 [pid 7668] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... umount2 resumed>) = 0 [pid 7658] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7658] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7658] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7668] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7668] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7656] <... futex resumed>) = 0 [pid 7668] <... futex resumed>) = 1 [pid 7656] exit_group(0 [pid 7668] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7656] <... exit_group resumed>) = ? [pid 7658] <... futex resumed>) = ? [pid 7658] +++ exited with 0 +++ [pid 7668] <... futex resumed>) = ? [pid 5005] <... umount2 resumed>) = 0 [pid 5008] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./156/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 221.298508][ T7668] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] lstat("./155/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./156/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./155/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(4, [pid 7668] +++ exited with 0 +++ [pid 7656] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7656, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 4 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 5005] fstat(4, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 5005] getdents64(4, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] close(4) = 0 [pid 5005] getdents64(4, [pid 5008] rmdir("./156/bus" [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./155/bus" [pid 5008] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... rmdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./156/binderfs", [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] lstat("./155/binderfs", [pid 5008] unlink("./156/binderfs" [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5005] unlink("./155/binderfs" [pid 5008] getdents64(3, [pid 5005] <... unlink resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] getdents64(3, [pid 5008] close(3 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] <... close resumed>) = 0 [pid 5005] close(3 [pid 5008] rmdir("./156" [pid 5005] <... close resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5005] rmdir("./155" [pid 5008] mkdir("./157", 0777 [pid 5005] <... rmdir resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5005] mkdir("./156", 0777 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5005] <... mkdir resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5005] <... openat resumed>) = 3 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5008] close(3 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 5005] close(3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7670 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7671 ./strace-static-x86_64: Process 7671 attached [pid 7671] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7671] chdir("./156"./strace-static-x86_64: Process 7670 attached [pid 7670] set_robust_list(0x5555568c85e0, 24 [pid 7671] <... chdir resumed>) = 0 [pid 5007] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7671] setpgid(0, 0 [pid 7670] <... set_robust_list resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./154/bus", [pid 7670] chdir("./157" [pid 7671] <... setpgid resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7670] <... chdir resumed>) = 0 [pid 5007] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7671] <... openat resumed>) = 3 [pid 7670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7671] write(3, "1000", 4 [pid 7670] <... prctl resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./154/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7671] <... write resumed>) = 4 [pid 7670] setpgid(0, 0 [pid 7671] close(3 [pid 7670] <... setpgid resumed>) = 0 [pid 7671] <... close resumed>) = 0 [pid 7670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7671] symlink("/dev/binderfs", "./binderfs" [pid 7670] <... openat resumed>) = 3 [pid 5007] <... openat resumed>) = 4 [pid 7671] <... symlink resumed>) = 0 [pid 7670] write(3, "1000", 4 [pid 5007] fstat(4, [pid 7671] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7670] <... write resumed>) = 4 [pid 7671] <... futex resumed>) = 0 [pid 7670] close(3 [pid 7671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7670] <... close resumed>) = 0 [pid 7671] <... mmap resumed>) = 0x7fe58845a000 [pid 7670] symlink("/dev/binderfs", "./binderfs" [pid 7671] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7670] <... symlink resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7671] <... mprotect resumed>) = 0 [pid 7671] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7670] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] getdents64(4, [pid 7670] <... futex resumed>) = 0 [pid 7671] <... clone resumed>, parent_tid=[7672], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7672 [pid 7670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7671] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7670] <... mmap resumed>) = 0x7fe58845a000 [pid 5007] getdents64(4, [pid 7671] <... futex resumed>) = 0 [pid 7670] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7671] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7670] <... mprotect resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7670] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] close(4 [pid 7670] <... clone resumed>, parent_tid=[7673], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7673 [pid 5007] <... close resumed>) = 0 [pid 7670] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] rmdir("./154/bus" [pid 7670] <... futex resumed>) = 0 [pid 7670] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7673 attached [pid 7673] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5007] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./154/binderfs", [pid 7673] memfd_create("syzkaller", 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7673] <... memfd_create resumed>) = 3 [pid 5007] unlink("./154/binderfs" [pid 7673] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 7672 attached [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, [pid 7673] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 7672] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] rmdir("./154" [pid 7672] <... set_robust_list resumed>) = 0 [pid 7672] memfd_create("syzkaller", 0) = 3 [pid 5007] <... rmdir resumed>) = 0 [pid 7672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] mkdir("./155", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7674 ./strace-static-x86_64: Process 7674 attached [pid 7674] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7674] chdir("./155") = 0 [pid 7674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7674] setpgid(0, 0) = 0 [pid 7674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7674] write(3, "1000", 4) = 4 [pid 5004] <... umount2 resumed>) = 0 [pid 7674] close(3 [pid 5004] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7674] <... close resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7674] symlink("/dev/binderfs", "./binderfs" [pid 5004] lstat("./153/bus", [pid 7674] <... symlink resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7674] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5004] umount2("./153/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7674] <... mmap resumed>) = 0x7fe58845a000 [pid 5004] openat(AT_FDCWD, "./153/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7674] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... openat resumed>) = 4 [pid 7674] <... mprotect resumed>) = 0 [pid 5004] fstat(4, [pid 7674] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7674] <... clone resumed>, parent_tid=[7676], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7676 [pid 7674] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7674] <... futex resumed>) = 0 [pid 5004] close(4) = 0 [pid 7674] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] rmdir("./153/bus") = 0 [pid 5004] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7676 attached [pid 7676] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7676] memfd_create("syzkaller", 0 [pid 5004] lstat("./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./153/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3 [pid 7676] <... memfd_create resumed>) = 3 [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./153") = 0 [pid 5004] mkdir("./154", 0777 [pid 7676] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 7673] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7677 ./strace-static-x86_64: Process 7677 attached [pid 7677] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7677] chdir("./154" [pid 7672] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7677] <... chdir resumed>) = 0 [pid 7677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7677] setpgid(0, 0) = 0 [pid 7676] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7677] write(3, "1000", 4) = 4 [pid 7677] close(3) = 0 [pid 7677] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7677] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7677] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7677] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7678], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7678 [pid 7677] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7677] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7678 attached [pid 7678] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7678] memfd_create("syzkaller", 0) = 3 [pid 7678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7673] <... write resumed>) = 4194304 [pid 7673] munmap(0x7fe58005a000, 4194304) = 0 [pid 7673] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7673] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7673] close(3) = 0 [pid 7673] mkdir("./bus", 0777) = 0 [pid 7673] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7672] <... write resumed>) = 4194304 [pid 7672] munmap(0x7fe58005a000, 4194304) = 0 [pid 7672] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7672] ioctl(4, LOOP_SET_FD, 3 [ 221.643922][ T7673] loop5: detected capacity change from 0 to 8192 [ 221.657487][ T7673] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.670671][ T7673] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 221.685373][ T7672] loop2: detected capacity change from 0 to 8192 [pid 7678] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7676] <... write resumed>) = 4194304 [pid 7672] <... ioctl resumed>) = 0 [pid 7676] munmap(0x7fe58005a000, 4194304 [pid 7672] close(3 [pid 7676] <... munmap resumed>) = 0 [pid 7672] <... close resumed>) = 0 [pid 7676] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7672] mkdir("./bus", 0777 [pid 7676] <... openat resumed>) = 4 [pid 7672] <... mkdir resumed>) = 0 [pid 7676] ioctl(4, LOOP_SET_FD, 3 [pid 7672] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7676] <... ioctl resumed>) = 0 [ 221.693643][ T7673] REISERFS (device loop5): using ordered data mode [ 221.700670][ T7673] reiserfs: using flush barriers [ 221.711605][ T7673] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 221.729918][ T7676] loop4: detected capacity change from 0 to 8192 [pid 7676] close(3) = 0 [pid 7676] mkdir("./bus", 0777) = 0 [pid 7676] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7678] <... write resumed>) = 4194304 [pid 7678] munmap(0x7fe58005a000, 4194304) = 0 [pid 7678] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 221.737732][ T7673] REISERFS (device loop5): checking transaction log (loop5) [ 221.746912][ T7672] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.760397][ T7672] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 221.772407][ T7673] REISERFS (device loop5): Using r5 hash to sort names [ 221.779946][ T7673] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7678] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7678] close(3) = 0 [pid 7678] mkdir("./bus", 0777) = 0 [pid 7678] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7673] <... mount resumed>) = 0 [pid 7673] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7673] chdir("./bus") = 0 [pid 7673] ioctl(4, LOOP_CLR_FD) = 0 [pid 7673] close(4) = 0 [ 221.783001][ T7678] loop1: detected capacity change from 0 to 8192 [ 221.794009][ T7676] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.801067][ T7672] REISERFS (device loop2): using ordered data mode [ 221.813389][ T7673] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 221.818886][ T7672] reiserfs: using flush barriers [ 221.828158][ T7676] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7673] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7670] <... futex resumed>) = 0 [pid 7670] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7670] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7673] <... futex resumed>) = 1 [pid 7673] mkdir("./file1", 000) = 0 [pid 7673] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7670] <... futex resumed>) = 0 [pid 7670] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7670] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7673] <... futex resumed>) = 1 [pid 7673] mkdir("./bus", 000) = 0 [pid 7673] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7670] <... futex resumed>) = 0 [pid 7670] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7670] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7673] <... futex resumed>) = 1 [ 221.842418][ T7678] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.843468][ T7676] REISERFS (device loop4): using ordered data mode [ 221.855491][ T7672] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 221.862469][ T7676] reiserfs: using flush barriers [pid 7673] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7670] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7670] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7670] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [ 221.887593][ T7676] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 221.897960][ T7678] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 221.904913][ T7676] REISERFS (device loop4): checking transaction log (loop4) [ 221.913421][ T7673] overlayfs: upper fs needs to support d_type. [ 221.920974][ T7676] REISERFS (device loop4): Using r5 hash to sort names [ 221.928260][ T7672] REISERFS (device loop2): checking transaction log (loop2) [pid 7670] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7683], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7683 [pid 7670] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7670] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7683 attached [pid 7683] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7683] mkdir(".", 0777) = -1 EEXIST (File exists) [ 221.933537][ T7676] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 221.949174][ T7673] overlayfs: upper fs does not support tmpfile. [ 221.954134][ T7676] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 221.961375][ T7678] REISERFS (device loop1): using ordered data mode [ 221.979806][ T7673] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7683] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 7676] <... mount resumed>) = 0 [ 221.981274][ T7683] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 221.988350][ T7678] reiserfs: using flush barriers [ 222.007899][ T7672] REISERFS (device loop2): Using r5 hash to sort names [ 222.014962][ T7678] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 222.016446][ T7673] overlayfs: failed to resolve './file0': -2 [ 222.031534][ T7678] REISERFS (device loop1): checking transaction log (loop1) [pid 7683] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7683] <... futex resumed>) = 1 [pid 7676] <... openat resumed>) = 3 [pid 7670] <... futex resumed>) = 0 [pid 7672] <... mount resumed>) = 0 [pid 7672] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7672] chdir("./bus") = 0 [pid 7672] ioctl(4, LOOP_CLR_FD) = 0 [pid 7672] close(4 [pid 7683] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7676] chdir("./bus" [pid 7673] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7676] <... chdir resumed>) = 0 [pid 7673] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7673] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7672] <... close resumed>) = 0 [pid 7672] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] <... futex resumed>) = 0 [pid 7671] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 222.039167][ T7672] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 222.045504][ T7678] REISERFS (device loop1): Using r5 hash to sort names [ 222.059229][ T7672] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 222.066337][ T7678] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7671] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7672] <... futex resumed>) = 1 [pid 7672] mkdir("./file1", 000 [pid 7676] ioctl(4, LOOP_CLR_FD) = 0 [pid 7670] exit_group(0 [pid 7683] <... futex resumed>) = ? [pid 7676] close(4 [pid 7673] <... futex resumed>) = ? [pid 7670] <... exit_group resumed>) = ? [pid 7683] +++ exited with 0 +++ [pid 7676] <... close resumed>) = 0 [pid 7673] +++ exited with 0 +++ [pid 7672] <... mkdir resumed>) = 0 [pid 7672] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7670] +++ exited with 0 +++ [pid 7676] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7674] <... futex resumed>) = 0 [pid 7672] <... futex resumed>) = 1 [pid 7671] <... futex resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7670, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 7672] mkdir("./bus", 000 [pid 7671] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7672] <... mkdir resumed>) = 0 [pid 7671] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7676] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7674] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7672] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7674] <... futex resumed>) = 0 [pid 7672] <... futex resumed>) = 0 [pid 7671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] <... openat resumed>) = 3 [pid 7676] mkdir("./file1", 000 [pid 7674] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7672] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7671] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] fstat(3, [pid 7676] <... mkdir resumed>) = 0 [pid 7671] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7676] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] getdents64(3, [pid 7676] <... futex resumed>) = 1 [pid 7674] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7676] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7674] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7674] <... futex resumed>) = 0 [pid 7676] mkdir("./bus", 000 [pid 7674] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7676] <... mkdir resumed>) = 0 [pid 7676] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7674] <... futex resumed>) = 0 [pid 7678] <... mount resumed>) = 0 [pid 7676] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7674] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7674] <... futex resumed>) = 0 [pid 7678] <... openat resumed>) = 3 [pid 7676] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 222.088370][ T7678] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 222.110836][ T7672] overlayfs: upper fs needs to support d_type. [pid 7674] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7678] chdir("./bus") = 0 [pid 7678] ioctl(4, LOOP_CLR_FD) = 0 [pid 7678] close(4 [pid 7671] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7678] <... close resumed>) = 0 [pid 7671] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7671] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7671] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7684], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7684 [pid 7671] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7671] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7678] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7677] <... futex resumed>) = 0 [pid 7678] mkdir("./file1", 000 [pid 7677] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] <... mkdir resumed>) = 0 [pid 7677] <... futex resumed>) = 0 [pid 7678] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [ 222.140968][ T7672] overlayfs: upper fs does not support tmpfile. [ 222.148522][ T7676] overlayfs: upper fs needs to support d_type. [ 222.149762][ T7672] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 222.156575][ T7676] overlayfs: upper fs does not support tmpfile. [ 222.181663][ T7676] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7677] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7684 attached [pid 7678] <... futex resumed>) = 0 [pid 7677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7674] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7677] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7674] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7684] set_robust_list(0x7fe5804599e0, 24 [pid 7678] mkdir("./bus", 000 [pid 7677] <... futex resumed>) = 0 [pid 7674] <... futex resumed>) = 0 [pid 7674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7684] <... set_robust_list resumed>) = 0 [pid 7678] <... mkdir resumed>) = 0 [pid 7677] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7674] <... mmap resumed>) = 0x7fe580439000 [pid 7684] mkdir(".", 0777 [pid 7678] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7674] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7684] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7678] <... futex resumed>) = 0 [pid 7677] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7684] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7678] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7677] <... futex resumed>) = 0 [pid 7674] <... mprotect resumed>) = 0 [pid 7674] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7685], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7685 [pid 7677] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7674] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 222.186281][ T7672] overlayfs: failed to resolve './file0': -2 [ 222.192941][ T7676] overlayfs: failed to resolve './file0': -2 [ 222.216447][ T7678] overlayfs: upper fs needs to support d_type. [pid 7674] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7685 attached [pid 7685] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7676] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7685] mkdir(".", 0777 [pid 7676] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7685] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7676] <... futex resumed>) = 0 [pid 7685] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7676] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7684] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7677] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] <... umount2 resumed>) = 0 [pid 7684] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7684] <... futex resumed>) = 1 [pid 7677] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7684] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [ 222.236578][ T7684] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 222.241281][ T7678] overlayfs: upper fs does not support tmpfile. [ 222.259875][ T7678] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 222.269980][ T7678] overlayfs: failed to resolve './file0': -2 [pid 7677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7671] <... futex resumed>) = 0 [pid 7677] <... mmap resumed>) = 0x7fe580439000 [pid 5008] lstat("./157/bus", [pid 7677] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7677] <... mprotect resumed>) = 0 [pid 5008] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7677] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./157/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7677] <... clone resumed>, parent_tid=[7686], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7686 [pid 5008] <... openat resumed>) = 4 [pid 7677] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] fstat(4, [pid 7677] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7677] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./157/bus") = 0 [pid 5008] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./157/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./157") = 0 [pid 5008] mkdir("./158", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3./strace-static-x86_64: Process 7686 attached [pid 7685] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7678] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7672] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... close resumed>) = 0 [pid 7678] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7686] set_robust_list(0x7fe5804599e0, 24 [pid 7685] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] <... futex resumed>) = 0 [pid 7672] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7687 [pid 7686] <... set_robust_list resumed>) = 0 [pid 7672] <... futex resumed>) = 0 [pid 7671] exit_group(0 [pid 7686] mkdir(".", 0777 [pid 7672] mkdir(".", 0777 [pid 7684] <... futex resumed>) = ? [pid 7671] <... exit_group resumed>) = ? [pid 7686] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7684] +++ exited with 0 +++ [pid 7672] +++ exited with 0 +++ [pid 7671] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7671, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=29 /* 0.29 s */} --- [pid 7686] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5005] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7687 attached [pid 7687] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7687] chdir("./158") = 0 [pid 7687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7687] setpgid(0, 0) = 0 [pid 7687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7687] write(3, "1000", 4) = 4 [pid 7687] close(3) = 0 [pid 7687] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7687] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7687] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7687] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7688], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7688 [pid 7687] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7687] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7688 attached [pid 7688] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7688] memfd_create("syzkaller", 0) = 3 [pid 7688] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7686] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7685] <... futex resumed>) = 1 [pid 7674] <... futex resumed>) = 0 [pid 7685] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7674] exit_group(0 [pid 7686] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7685] <... futex resumed>) = ? [pid 7676] <... futex resumed>) = ? [pid 7674] <... exit_group resumed>) = ? [pid 7686] <... futex resumed>) = 1 [pid 7677] <... futex resumed>) = 0 [pid 7676] +++ exited with 0 +++ [pid 7685] +++ exited with 0 +++ [pid 7677] exit_group(0 [pid 7678] <... futex resumed>) = ? [pid 7677] <... exit_group resumed>) = ? [pid 7678] +++ exited with 0 +++ [pid 7674] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7674, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7686] +++ exited with 0 +++ [pid 7677] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7677, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=28 /* 0.28 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 222.297235][ T7685] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 222.325823][ T7686] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7688] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 7688] munmap(0x7fe58005a000, 4194304) = 0 [pid 7688] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7688] ioctl(4, LOOP_SET_FD, 3 [pid 5007] <... umount2 resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./156/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./156/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] lstat("./155/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] getdents64(4, [pid 5007] openat(AT_FDCWD, "./155/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] <... openat resumed>) = 4 [pid 5005] close(4) = 0 [pid 5007] fstat(4, [pid 5005] rmdir("./156/bus") = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./155/bus") = 0 [pid 5005] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./156/binderfs", [pid 5007] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] unlink("./156/binderfs" [pid 5007] lstat("./155/binderfs", [pid 5005] <... unlink resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] getdents64(3, [pid 5007] unlink("./155/binderfs" [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5005] close(3 [pid 5007] getdents64(3, [pid 5005] <... close resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] rmdir("./156" [pid 5007] close(3 [pid 5005] <... rmdir resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5005] mkdir("./157", 0777 [pid 5007] rmdir("./155" [pid 5005] <... mkdir resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5007] mkdir("./156", 0777 [pid 5005] <... openat resumed>) = 3 [pid 5007] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5007] <... openat resumed>) = 3 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5005] close(3 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] <... close resumed>) = 0 [pid 5007] close(3 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7689 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7690 ./strace-static-x86_64: Process 7689 attached ./strace-static-x86_64: Process 7690 attached [pid 7690] set_robust_list(0x5555568c85e0, 24 [pid 7689] set_robust_list(0x5555568c85e0, 24 [pid 7690] <... set_robust_list resumed>) = 0 [pid 7689] <... set_robust_list resumed>) = 0 [pid 7690] chdir("./156" [pid 7689] chdir("./157" [pid 7690] <... chdir resumed>) = 0 [pid 7689] <... chdir resumed>) = 0 [pid 7690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7690] <... prctl resumed>) = 0 [pid 7689] <... prctl resumed>) = 0 [pid 7690] setpgid(0, 0 [pid 7689] setpgid(0, 0 [pid 7690] <... setpgid resumed>) = 0 [pid 7689] <... setpgid resumed>) = 0 [pid 7690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 222.458213][ T7688] loop5: detected capacity change from 0 to 8192 [pid 7689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7690] <... openat resumed>) = 3 [pid 7689] <... openat resumed>) = 3 [pid 7690] write(3, "1000", 4 [pid 7689] write(3, "1000", 4 [pid 7690] <... write resumed>) = 4 [pid 7689] <... write resumed>) = 4 [pid 7690] close(3 [pid 7689] close(3 [pid 7688] <... ioctl resumed>) = 0 [pid 7690] <... close resumed>) = 0 [pid 7689] <... close resumed>) = 0 [pid 7688] close(3 [pid 7690] symlink("/dev/binderfs", "./binderfs" [pid 7689] symlink("/dev/binderfs", "./binderfs" [pid 7688] <... close resumed>) = 0 [pid 7690] <... symlink resumed>) = 0 [pid 7689] <... symlink resumed>) = 0 [pid 7688] mkdir("./bus", 0777 [pid 7690] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7689] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] <... futex resumed>) = 0 [pid 7689] <... futex resumed>) = 0 [pid 7688] <... mkdir resumed>) = 0 [pid 7690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7688] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5004] <... umount2 resumed>) = 0 [pid 7690] <... mmap resumed>) = 0x7fe58845a000 [pid 7689] <... mmap resumed>) = 0x7fe58845a000 [pid 7690] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7689] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7690] <... mprotect resumed>) = 0 [pid 7689] <... mprotect resumed>) = 0 [pid 5004] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7690] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7689] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7690] <... clone resumed>, parent_tid=[7692], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7692 [pid 7689] <... clone resumed>, parent_tid=[7693], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7693 [pid 7690] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7689] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] <... futex resumed>) = 0 [pid 7689] <... futex resumed>) = 0 [pid 7690] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7689] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7693 attached [pid 7693] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7693] memfd_create("syzkaller", 0) = 3 [pid 7693] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 7692 attached [pid 7692] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7692] memfd_create("syzkaller", 0) = 3 [pid 7692] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./154/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./154/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 222.536869][ T7688] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 222.550996][ T7688] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 222.561512][ T7688] REISERFS (device loop5): using ordered data mode [ 222.568693][ T7688] reiserfs: using flush barriers [pid 5004] openat(AT_FDCWD, "./154/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./154/bus") = 0 [pid 5004] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./154/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./154") = 0 [pid 5004] mkdir("./155", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 7693] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7692] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7688] <... mount resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7694 ./strace-static-x86_64: Process 7694 attached [pid 7694] set_robust_list(0x5555568c85e0, 24 [pid 7688] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7688] chdir("./bus") = 0 [pid 7688] ioctl(4, LOOP_CLR_FD) = 0 [pid 7694] <... set_robust_list resumed>) = 0 [ 222.576828][ T7688] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 222.594285][ T7688] REISERFS (device loop5): checking transaction log (loop5) [ 222.602714][ T7688] REISERFS (device loop5): Using r5 hash to sort names [ 222.610258][ T7688] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 222.623385][ T7688] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7688] close(4 [pid 7694] chdir("./155" [pid 7688] <... close resumed>) = 0 [pid 7692] <... write resumed>) = 4194304 [pid 7688] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] munmap(0x7fe58005a000, 4194304 [pid 7688] <... futex resumed>) = 1 [pid 7687] <... futex resumed>) = 0 [pid 7694] <... chdir resumed>) = 0 [pid 7688] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7687] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7692] <... munmap resumed>) = 0 [pid 7688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7687] <... futex resumed>) = 0 [pid 7694] <... prctl resumed>) = 0 [pid 7692] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7688] mkdir("./file1", 000 [pid 7687] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7694] setpgid(0, 0 [pid 7692] <... openat resumed>) = 4 [pid 7688] <... mkdir resumed>) = 0 [pid 7694] <... setpgid resumed>) = 0 [pid 7692] ioctl(4, LOOP_SET_FD, 3 [pid 7688] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7688] <... futex resumed>) = 1 [pid 7687] <... futex resumed>) = 0 [pid 7694] <... openat resumed>) = 3 [pid 7688] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7687] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] write(3, "1000", 4 [pid 7688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7687] <... futex resumed>) = 0 [pid 7694] <... write resumed>) = 4 [pid 7688] mkdir("./bus", 000 [pid 7687] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7694] close(3 [pid 7688] <... mkdir resumed>) = 0 [pid 7694] <... close resumed>) = 0 [pid 7688] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] symlink("/dev/binderfs", "./binderfs" [pid 7692] <... ioctl resumed>) = 0 [pid 7688] <... futex resumed>) = 1 [pid 7687] <... futex resumed>) = 0 [pid 7694] <... symlink resumed>) = 0 [pid 7692] close(3 [pid 7688] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7687] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] <... close resumed>) = 0 [pid 7688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7687] <... futex resumed>) = 0 [pid 7694] <... futex resumed>) = 0 [pid 7692] mkdir("./bus", 0777 [pid 7688] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7687] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7693] <... write resumed>) = 4194304 [pid 7693] munmap(0x7fe58005a000, 4194304) = 0 [pid 7693] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7693] ioctl(4, LOOP_SET_FD, 3 [pid 7694] <... mmap resumed>) = 0x7fe58845a000 [pid 7693] <... ioctl resumed>) = 0 [pid 7692] <... mkdir resumed>) = 0 [pid 7693] close(3) = 0 [pid 7693] mkdir("./bus", 0777) = 0 [pid 7693] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7694] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7694] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7696], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7696 [pid 7694] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7694] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7696 attached [pid 7696] set_robust_list(0x7fe58847a9e0, 24 [pid 7692] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7696] <... set_robust_list resumed>) = 0 [ 222.702205][ T7692] loop4: detected capacity change from 0 to 8192 [ 222.716532][ T7688] overlayfs: upper fs needs to support d_type. [ 222.719808][ T7693] loop2: detected capacity change from 0 to 8192 [ 222.724115][ T7688] overlayfs: upper fs does not support tmpfile. [ 222.737513][ T7688] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7696] memfd_create("syzkaller", 0) = 3 [pid 7696] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7687] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7687] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7688] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7687] <... futex resumed>) = 0 [pid 7688] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7688] <... futex resumed>) = 0 [pid 7687] <... mmap resumed>) = 0x7fe580439000 [pid 7688] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7687] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7687] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7698], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7698 [pid 7687] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 222.738057][ T7693] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 222.746645][ T7688] overlayfs: failed to resolve './file0': -2 [ 222.761778][ T7692] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 222.763728][ T7693] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 222.786068][ T7693] REISERFS (device loop2): using ordered data mode [ 222.792628][ T7693] reiserfs: using flush barriers [pid 7687] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7698 attached [pid 7698] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7698] mkdir(".", 0777) = -1 EEXIST (File exists) [ 222.798706][ T7693] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 222.815409][ T7693] REISERFS (device loop2): checking transaction log (loop2) [ 222.823654][ T7693] REISERFS (device loop2): Using r5 hash to sort names [ 222.830826][ T7693] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 222.840570][ T7692] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7698] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7693] <... mount resumed>) = 0 [pid 7693] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7693] chdir("./bus") = 0 [pid 7693] ioctl(4, LOOP_CLR_FD) = 0 [pid 7693] close(4) = 0 [pid 7698] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7698] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7687] <... futex resumed>) = 0 [pid 7687] exit_group(0 [pid 7688] <... futex resumed>) = ? [pid 7687] <... exit_group resumed>) = ? [pid 7688] +++ exited with 0 +++ [pid 7698] <... futex resumed>) = ? [pid 7693] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7689] <... futex resumed>) = 0 [pid 7693] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7689] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7689] <... futex resumed>) = 0 [pid 7693] mkdir("./file1", 000 [pid 7689] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7696] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7693] <... mkdir resumed>) = 0 [pid 7693] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7689] <... futex resumed>) = 0 [ 222.843929][ T7693] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 222.856232][ T7698] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 222.879013][ T7692] REISERFS (device loop4): using ordered data mode [pid 7693] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7689] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7689] <... futex resumed>) = 0 [pid 7693] mkdir("./bus", 000 [pid 7689] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7698] +++ exited with 0 +++ [pid 7687] +++ exited with 0 +++ [pid 7693] <... mkdir resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7687, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 7693] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7689] <... futex resumed>) = 0 [pid 7693] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7689] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7689] <... futex resumed>) = 0 [pid 7693] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7689] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 222.904943][ T7692] reiserfs: using flush barriers [ 222.913158][ T7692] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 222.938363][ T7693] overlayfs: upper fs needs to support d_type. [ 222.948002][ T7693] overlayfs: upper fs does not support tmpfile. [pid 5008] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7696] <... write resumed>) = 4194304 [pid 7689] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7689] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7689] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7689] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7700], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7700 [pid 7689] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7689] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7696] munmap(0x7fe58005a000, 4194304) = 0 [pid 7696] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 222.950038][ T7692] REISERFS (device loop4): checking transaction log (loop4) [ 222.961722][ T7693] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 222.970822][ T7693] overlayfs: failed to resolve './file0': -2 [ 222.978438][ T7692] REISERFS (device loop4): Using r5 hash to sort names [ 222.987450][ T7692] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7696] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7700 attached [pid 7693] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7693] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7693] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7696] <... ioctl resumed>) = 0 [pid 7696] close(3) = 0 [pid 7696] mkdir("./bus", 0777) = 0 [pid 7696] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7700] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7700] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7700] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7692] <... mount resumed>) = 0 [pid 7692] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 222.998239][ T7696] loop1: detected capacity change from 0 to 8192 [ 223.001514][ T7692] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 223.025232][ T7700] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 223.031178][ T7696] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7692] chdir("./bus" [pid 7700] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = 0 [pid 7700] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] <... chdir resumed>) = 0 [pid 5008] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7700] <... futex resumed>) = 1 [pid 7692] ioctl(4, LOOP_CLR_FD [pid 7689] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7700] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7692] <... ioctl resumed>) = 0 [pid 7689] exit_group(0 [pid 5008] lstat("./158/bus", [pid 7700] <... futex resumed>) = ? [pid 7693] <... futex resumed>) = ? [pid 7692] close(4 [pid 7689] <... exit_group resumed>) = ? [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7700] +++ exited with 0 +++ [pid 7693] +++ exited with 0 +++ [pid 7692] <... close resumed>) = 0 [pid 7689] +++ exited with 0 +++ [pid 5008] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7692] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7692] <... futex resumed>) = 1 [pid 7690] <... futex resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./158/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7692] mkdir("./file1", 000 [pid 7690] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] <... mkdir resumed>) = 0 [pid 7690] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 7692] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] fstat(4, [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7689, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 7692] <... futex resumed>) = 0 [pid 7690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7692] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7690] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(4, [pid 7692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7690] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7692] mkdir("./bus", 000 [pid 7690] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] getdents64(4, [pid 7692] <... mkdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7692] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] close(4 [pid 7692] <... futex resumed>) = 1 [pid 7690] <... futex resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 7692] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7690] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] rmdir("./158/bus" [pid 7692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7690] <... futex resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7692] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7690] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./158/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [ 223.061944][ T7696] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 223.072036][ T7696] REISERFS (device loop1): using ordered data mode [ 223.079095][ T7696] reiserfs: using flush barriers [ 223.087003][ T7696] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5008] rmdir("./158") = 0 [pid 5008] mkdir("./159", 0777) = 0 [pid 5005] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7702 [ 223.105200][ T7696] REISERFS (device loop1): checking transaction log (loop1) [ 223.105716][ T7692] overlayfs: upper fs needs to support d_type. [ 223.119576][ T7692] overlayfs: upper fs does not support tmpfile. [ 223.128205][ T7696] REISERFS (device loop1): Using r5 hash to sort names [ 223.130695][ T7692] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 223.144349][ T7696] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7690] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7690] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7702 attached [pid 7690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7702] set_robust_list(0x5555568c85e0, 24 [pid 7690] <... mmap resumed>) = 0x7fe580439000 [pid 7690] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7702] <... set_robust_list resumed>) = 0 [pid 7690] <... mprotect resumed>) = 0 [pid 7690] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7702] chdir("./159" [pid 7690] <... clone resumed>, parent_tid=[7704], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7704 [pid 7702] <... chdir resumed>) = 0 [pid 7690] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7690] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7704 attached [pid 7702] <... prctl resumed>) = 0 [pid 7704] set_robust_list(0x7fe5804599e0, 24 [pid 7702] setpgid(0, 0 [pid 7704] <... set_robust_list resumed>) = 0 [pid 7702] <... setpgid resumed>) = 0 [ 223.146821][ T7692] overlayfs: failed to resolve './file0': -2 [pid 7704] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7704] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7702] <... openat resumed>) = 3 [pid 7702] write(3, "1000", 4 [pid 7692] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7702] <... write resumed>) = 4 [pid 7692] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7702] close(3 [pid 7692] <... futex resumed>) = 0 [pid 7692] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7702] <... close resumed>) = 0 [pid 7702] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7702] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7702] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7702] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7705 attached [pid 7705] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7705] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./157/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./157/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, [pid 7704] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7702] <... clone resumed>, parent_tid=[7705], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7705 [pid 7696] <... mount resumed>) = 0 [pid 7704] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7702] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./157/bus" [pid 7704] <... futex resumed>) = 1 [pid 7702] <... futex resumed>) = 1 [pid 7696] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7690] <... futex resumed>) = 0 [pid 7705] <... futex resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 7702] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7690] exit_group(0 [pid 7705] memfd_create("syzkaller", 0 [pid 5005] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7696] <... openat resumed>) = 3 [pid 7690] <... exit_group resumed>) = ? [pid 7696] chdir("./bus" [pid 7692] <... futex resumed>) = ? [pid 7705] <... memfd_create resumed>) = 3 [pid 7696] <... chdir resumed>) = 0 [pid 7692] +++ exited with 0 +++ [pid 7705] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7696] ioctl(4, LOOP_CLR_FD) = 0 [pid 7696] close(4 [pid 7705] <... mmap resumed>) = 0x7fe58005a000 [pid 7696] <... close resumed>) = 0 [pid 5005] lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7696] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] unlink("./157/binderfs" [pid 7696] <... futex resumed>) = 1 [pid 7694] <... futex resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 7696] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7694] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] getdents64(3, [pid 7696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7694] <... futex resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7696] mkdir("./file1", 000 [pid 7694] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] close(3 [pid 7696] <... mkdir resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 7696] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] rmdir("./157" [pid 7696] <... futex resumed>) = 1 [pid 7694] <... futex resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 7696] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7694] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [ 223.183734][ T7696] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 223.210930][ T7704] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] mkdir("./158", 0777 [pid 7704] +++ exited with 0 +++ [pid 7696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7694] <... futex resumed>) = 0 [pid 7690] +++ exited with 0 +++ [pid 5005] <... mkdir resumed>) = 0 [pid 7696] mkdir("./bus", 000 [pid 7694] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7690, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7696] <... mkdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 7696] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 7696] <... futex resumed>) = 1 [pid 7694] <... futex resumed>) = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7696] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7694] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] close(3 [pid 7696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7694] <... futex resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 7694] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7706 [pid 7696] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5007] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7706 attached [pid 7706] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7706] chdir("./158") = 0 [pid 7706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7706] setpgid(0, 0) = 0 [pid 7706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7706] write(3, "1000", 4) = 4 [pid 7706] close(3) = 0 [pid 7694] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7706] symlink("/dev/binderfs", "./binderfs" [pid 7694] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7706] <... symlink resumed>) = 0 [pid 7694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7694] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7694] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7707], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7707 [pid 7694] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7694] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7707 attached [pid 7706] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7696] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7707] set_robust_list(0x7fe5804599e0, 24 [pid 7706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7707] <... set_robust_list resumed>) = 0 [pid 7706] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7696] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7706] <... mprotect resumed>) = 0 [pid 7696] <... futex resumed>) = 0 [pid 7707] mkdir(".", 0777 [pid 7706] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7696] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7707] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7707] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7706] <... clone resumed>, parent_tid=[7708], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7708 [pid 7706] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7706] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7705] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 7708 attached [pid 7708] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7708] memfd_create("syzkaller", 0) = 3 [pid 7708] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 223.278370][ T7696] overlayfs: upper fs needs to support d_type. [ 223.289867][ T7696] overlayfs: upper fs does not support tmpfile. [ 223.304560][ T7696] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 223.315598][ T7696] overlayfs: failed to resolve './file0': -2 [pid 7707] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7707] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7694] <... futex resumed>) = 0 [pid 7707] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7694] exit_group(0 [pid 7707] <... futex resumed>) = ? [pid 7696] <... futex resumed>) = ? [pid 7694] <... exit_group resumed>) = ? [pid 5007] <... umount2 resumed>) = 0 [pid 7707] +++ exited with 0 +++ [pid 7696] +++ exited with 0 +++ [pid 7694] +++ exited with 0 +++ [ 223.356308][ T7707] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5007] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./156/bus", [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7694, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] openat(AT_FDCWD, "./156/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] <... openat resumed>) = 3 [pid 5007] fstat(4, [pid 5004] fstat(3, [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, [pid 5004] getdents64(3, [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] getdents64(4, [pid 5004] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4 [pid 7705] <... write resumed>) = 4194304 [pid 7705] munmap(0x7fe58005a000, 4194304 [pid 5007] <... close resumed>) = 0 [pid 5007] rmdir("./156/bus") = 0 [pid 5007] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7708] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7705] <... munmap resumed>) = 0 [pid 5007] lstat("./156/binderfs", [pid 7705] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7705] <... openat resumed>) = 4 [pid 5007] unlink("./156/binderfs" [pid 7705] ioctl(4, LOOP_SET_FD, 3 [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./156") = 0 [pid 5007] mkdir("./157", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7709 attached , child_tidptr=0x5555568c85d0) = 7709 [pid 7705] <... ioctl resumed>) = 0 [pid 7705] close(3) = 0 [pid 7705] mkdir("./bus", 0777) = 0 [pid 7705] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7709] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7709] chdir("./157") = 0 [ 223.437724][ T7705] loop5: detected capacity change from 0 to 8192 [pid 7709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7709] setpgid(0, 0) = 0 [pid 7709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7709] write(3, "1000", 4) = 4 [pid 7709] close(3) = 0 [pid 7709] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7709] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] <... umount2 resumed>) = 0 [pid 7709] <... mmap resumed>) = 0x7fe58845a000 [pid 5004] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7709] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7709] <... mprotect resumed>) = 0 [pid 7708] <... write resumed>) = 4194304 [pid 5004] lstat("./155/bus", [pid 7709] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./155/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7709] <... clone resumed>, parent_tid=[7711], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7711 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7709] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "./155/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7709] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 4 [pid 7709] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, ./strace-static-x86_64: Process 7711 attached [pid 7708] munmap(0x7fe58005a000, 4194304 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./155/bus") = 0 [pid 5004] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7708] <... munmap resumed>) = 0 [pid 5004] lstat("./155/binderfs", [pid 7711] set_robust_list(0x7fe58847a9e0, 24 [pid 7708] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./155/binderfs" [pid 7711] <... set_robust_list resumed>) = 0 [pid 7708] <... openat resumed>) = 4 [pid 5004] <... unlink resumed>) = 0 [pid 5004] getdents64(3, [pid 7708] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [ 223.481551][ T7705] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.502686][ T7705] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 223.513061][ T7705] REISERFS (device loop5): using ordered data mode [ 223.520468][ T7705] reiserfs: using flush barriers [pid 5004] close(3) = 0 [pid 5004] rmdir("./155") = 0 [pid 5004] mkdir("./156", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 7711] memfd_create("syzkaller", 0 [pid 7708] <... ioctl resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7712 ./strace-static-x86_64: Process 7712 attached [pid 7712] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7712] chdir("./156") = 0 [pid 7712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7712] setpgid(0, 0) = 0 [pid 7712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7711] <... memfd_create resumed>) = 3 [pid 7708] close(3 [pid 7712] <... openat resumed>) = 3 [pid 7711] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7708] <... close resumed>) = 0 [pid 7712] write(3, "1000", 4) = 4 [pid 7712] close(3) = 0 [pid 7712] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7712] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7712] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7712] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7713], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7713 [pid 7712] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7712] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7713 attached [pid 7711] <... mmap resumed>) = 0x7fe58005a000 [pid 7708] mkdir("./bus", 0777 [pid 7713] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7708] <... mkdir resumed>) = 0 [pid 7713] memfd_create("syzkaller", 0) = 3 [pid 7713] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 223.533435][ T7708] loop2: detected capacity change from 0 to 8192 [ 223.540514][ T7705] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.558437][ T7705] REISERFS (device loop5): checking transaction log (loop5) [pid 7708] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7711] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7705] <... mount resumed>) = 0 [ 223.579389][ T7708] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.593450][ T7705] REISERFS (device loop5): Using r5 hash to sort names [ 223.600549][ T7705] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.606870][ T7708] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 223.618793][ T7705] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7705] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7705] chdir("./bus") = 0 [pid 7705] ioctl(4, LOOP_CLR_FD) = 0 [pid 7705] close(4) = 0 [pid 7705] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7702] <... futex resumed>) = 0 [pid 7702] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7702] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7705] <... futex resumed>) = 1 [pid 7705] mkdir("./file1", 000 [pid 7711] <... write resumed>) = 4194304 [pid 7711] munmap(0x7fe58005a000, 4194304 [pid 7705] <... mkdir resumed>) = 0 [pid 7705] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7702] <... futex resumed>) = 0 [pid 7702] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7705] <... futex resumed>) = 1 [pid 7702] <... futex resumed>) = 0 [pid 7705] mkdir("./bus", 000 [pid 7702] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7711] <... munmap resumed>) = 0 [pid 7705] <... mkdir resumed>) = 0 [ 223.651750][ T7708] REISERFS (device loop2): using ordered data mode [ 223.658682][ T7708] reiserfs: using flush barriers [ 223.666698][ T7708] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.688822][ T7708] REISERFS (device loop2): checking transaction log (loop2) [pid 7711] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7705] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... openat resumed>) = 4 [pid 7711] ioctl(4, LOOP_SET_FD, 3 [pid 7705] <... futex resumed>) = 1 [pid 7702] <... futex resumed>) = 0 [pid 7713] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7711] <... ioctl resumed>) = 0 [pid 7711] close(3) = 0 [pid 7711] mkdir("./bus", 0777) = 0 [pid 7711] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7705] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7702] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7705] <... futex resumed>) = 0 [pid 7702] <... futex resumed>) = 1 [pid 7705] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 223.698113][ T7708] REISERFS (device loop2): Using r5 hash to sort names [ 223.708104][ T7711] loop4: detected capacity change from 0 to 8192 [ 223.714037][ T7708] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.727344][ T7708] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 223.736914][ T7705] overlayfs: upper fs needs to support d_type. [ 223.743719][ T7705] overlayfs: upper fs does not support tmpfile. [pid 7702] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7713] <... write resumed>) = 4194304 [pid 7708] <... mount resumed>) = 0 [pid 7713] munmap(0x7fe58005a000, 4194304 [pid 7708] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7713] <... munmap resumed>) = 0 [pid 7708] <... openat resumed>) = 3 [pid 7713] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7708] chdir("./bus" [pid 7713] <... openat resumed>) = 4 [pid 7708] <... chdir resumed>) = 0 [pid 7702] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7713] ioctl(4, LOOP_SET_FD, 3 [pid 7708] ioctl(4, LOOP_CLR_FD [pid 7702] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7713] <... ioctl resumed>) = 0 [pid 7708] <... ioctl resumed>) = 0 [pid 7705] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7702] <... futex resumed>) = 0 [ 223.750824][ T7705] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 223.758873][ T7711] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.762800][ T7705] overlayfs: failed to resolve './file0': -2 [ 223.772200][ T7711] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 223.785612][ T7713] loop1: detected capacity change from 0 to 8192 [ 223.787094][ T7711] REISERFS (device loop4): using ordered data mode [pid 7713] close(3 [pid 7708] close(4 [pid 7705] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7713] <... close resumed>) = 0 [pid 7708] <... close resumed>) = 0 [pid 7713] mkdir("./bus", 0777 [pid 7708] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7705] <... futex resumed>) = 0 [pid 7702] <... mmap resumed>) = 0x7fe580439000 [pid 7708] <... futex resumed>) = 1 [pid 7706] <... futex resumed>) = 0 [pid 7705] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7702] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7713] <... mkdir resumed>) = 0 [pid 7708] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7706] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7702] <... mprotect resumed>) = 0 [pid 7713] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7706] <... futex resumed>) = 0 [pid 7702] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7708] mkdir("./file1", 000 [pid 7706] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7717 attached [pid 7708] <... mkdir resumed>) = 0 [pid 7702] <... clone resumed>, parent_tid=[7717], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7717 [pid 7708] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7702] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7708] <... futex resumed>) = 1 [pid 7706] <... futex resumed>) = 0 [pid 7708] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7706] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7702] <... futex resumed>) = 0 [pid 7708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7706] <... futex resumed>) = 0 [pid 7708] mkdir("./bus", 000 [pid 7706] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7702] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7717] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7708] <... mkdir resumed>) = 0 [pid 7717] mkdir(".", 0777 [pid 7708] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7706] <... futex resumed>) = 0 [pid 7708] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7706] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7706] <... futex resumed>) = 0 [pid 7708] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7706] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7717] <... mkdir resumed>) = -1 EEXIST (File exists) [ 223.800232][ T7711] reiserfs: using flush barriers [ 223.807092][ T7711] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.824108][ T7711] REISERFS (device loop4): checking transaction log (loop4) [ 223.835231][ T7713] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.838447][ T7708] overlayfs: upper fs needs to support d_type. [ 223.855297][ T7708] overlayfs: upper fs does not support tmpfile. [ 223.857243][ T7711] REISERFS (device loop4): Using r5 hash to sort names [ 223.862322][ T7708] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 223.877095][ T7708] overlayfs: failed to resolve './file0': -2 [ 223.886457][ T7717] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7717] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7706] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7706] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7708] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7708] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7706] <... futex resumed>) = 0 [pid 7708] <... futex resumed>) = 0 [pid 7706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7708] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7706] <... mmap resumed>) = 0x7fe580439000 [pid 7706] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [ 223.893752][ T7713] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 223.906982][ T7711] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.910794][ T7713] REISERFS (device loop1): using ordered data mode [ 223.930098][ T7713] reiserfs: using flush barriers [pid 7706] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7718 attached [pid 7718] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7718] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7717] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7717] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7702] <... futex resumed>) = 0 [pid 7702] exit_group(0 [pid 7705] <... futex resumed>) = ? [pid 7702] <... exit_group resumed>) = ? [pid 7705] +++ exited with 0 +++ [pid 7717] <... futex resumed>) = ? [pid 7717] +++ exited with 0 +++ [pid 7702] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7702, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 7706] <... clone resumed>, parent_tid=[7718], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7718 [pid 5008] <... restart_syscall resumed>) = 0 [pid 7706] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7718] <... futex resumed>) = 0 [pid 7711] <... mount resumed>) = 0 [pid 7706] <... futex resumed>) = 1 [pid 5008] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7718] mkdir(".", 0777 [pid 7711] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7706] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7718] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7718] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 223.939207][ T7713] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.954645][ T7711] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 223.956150][ T7713] REISERFS (device loop1): checking transaction log (loop1) [ 223.974404][ T7713] REISERFS (device loop1): Using r5 hash to sort names [ 223.982077][ T7713] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5008] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7711] <... openat resumed>) = 3 [pid 7711] chdir("./bus" [pid 7718] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7718] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7718] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7713] <... mount resumed>) = 0 [pid 7711] <... chdir resumed>) = 0 [pid 7706] <... futex resumed>) = 0 [pid 7711] ioctl(4, LOOP_CLR_FD [pid 7706] exit_group(0 [pid 7711] <... ioctl resumed>) = 0 [pid 7708] <... futex resumed>) = ? [pid 7706] <... exit_group resumed>) = ? [pid 7711] close(4 [pid 7708] +++ exited with 0 +++ [pid 7711] <... close resumed>) = 0 [pid 7711] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7711] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7713] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7713] chdir("./bus") = 0 [pid 7713] ioctl(4, LOOP_CLR_FD) = 0 [pid 7713] close(4) = 0 [pid 7713] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7712] <... futex resumed>) = 0 [pid 7713] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7718] <... futex resumed>) = ? [pid 7709] <... futex resumed>) = 0 [pid 7712] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7709] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7713] <... futex resumed>) = 0 [pid 7712] <... futex resumed>) = 1 [pid 7711] <... futex resumed>) = 0 [pid 7709] <... futex resumed>) = 1 [pid 7713] mkdir("./file1", 000 [pid 7712] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7711] mkdir("./file1", 000 [pid 7709] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7713] <... mkdir resumed>) = 0 [pid 7711] <... mkdir resumed>) = 0 [pid 7718] +++ exited with 0 +++ [pid 7713] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7706] +++ exited with 0 +++ [pid 7713] <... futex resumed>) = 1 [pid 7712] <... futex resumed>) = 0 [pid 7711] <... futex resumed>) = 1 [pid 7709] <... futex resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7706, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 7713] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7711] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7709] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... openat resumed>) = 3 [pid 7712] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7709] <... futex resumed>) = 0 [pid 5005] fstat(3, [pid 7713] <... futex resumed>) = 0 [pid 7712] <... futex resumed>) = 1 [pid 7711] mkdir("./bus", 000 [pid 7709] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7713] mkdir("./bus", 000 [pid 7712] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7711] <... mkdir resumed>) = 0 [pid 5005] getdents64(3, [pid 7713] <... mkdir resumed>) = 0 [pid 7711] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7713] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... futex resumed>) = 1 [pid 7709] <... futex resumed>) = 0 [pid 5005] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7713] <... futex resumed>) = 1 [pid 7712] <... futex resumed>) = 0 [pid 7711] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7709] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7713] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7712] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7709] <... futex resumed>) = 0 [pid 7713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 223.983675][ T7718] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 223.994989][ T7713] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7713] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7712] <... futex resumed>) = 0 [pid 7709] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7712] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7711] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7709] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7709] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [ 224.062055][ T7713] overlayfs: upper fs needs to support d_type. [ 224.068291][ T7713] overlayfs: upper fs does not support tmpfile. [ 224.078077][ T7711] overlayfs: upper fs needs to support d_type. [ 224.090650][ T7713] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7709] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./159/bus", [pid 7712] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7712] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./159/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7712] <... futex resumed>) = 0 [pid 7712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7709] <... mmap resumed>) = 0x7fe580439000 [pid 7712] <... mmap resumed>) = 0x7fe580439000 [pid 7709] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7712] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7709] <... mprotect resumed>) = 0 [pid 7712] <... mprotect resumed>) = 0 [pid 7709] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7712] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] fstat(4, [pid 7712] <... clone resumed>, parent_tid=[7720], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7720 [pid 7709] <... clone resumed>, parent_tid=[7719], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7719 [pid 7712] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7709] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7709] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7709] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./159/bus") = 0 [pid 5008] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./159/binderfs"./strace-static-x86_64: Process 7720 attached ./strace-static-x86_64: Process 7719 attached ) = 0 [pid 7720] set_robust_list(0x7fe5804599e0, 24 [pid 7719] set_robust_list(0x7fe5804599e0, 24 [pid 5008] getdents64(3, [pid 7720] <... set_robust_list resumed>) = 0 [pid 7719] <... set_robust_list resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7720] mkdir(".", 0777 [pid 7719] mkdir(".", 0777 [pid 5008] close(3 [pid 7720] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7719] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] <... close resumed>) = 0 [ 224.112961][ T7711] overlayfs: upper fs does not support tmpfile. [ 224.115989][ T7713] overlayfs: failed to resolve './file0': -2 [ 224.120077][ T7711] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7720] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7719] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] rmdir("./159") = 0 [pid 5008] mkdir("./160", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5005] <... umount2 resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5005] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7721 ./strace-static-x86_64: Process 7721 attached [pid 7721] set_robust_list(0x5555568c85e0, 24 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7720] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7713] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5005] lstat("./158/bus", [pid 7721] <... set_robust_list resumed>) = 0 [pid 7713] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7721] chdir("./160" [pid 7713] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7721] <... chdir resumed>) = 0 [pid 7721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7721] setpgid(0, 0) = 0 [pid 7721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7721] write(3, "1000", 4) = 4 [pid 7720] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7721] close(3 [pid 7720] <... futex resumed>) = 1 [pid 7719] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7712] <... futex resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7721] <... close resumed>) = 0 [pid 7721] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7721] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7720] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7712] exit_group(0 [pid 5005] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7721] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7720] <... futex resumed>) = ? [pid 7719] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7713] <... futex resumed>) = ? [pid 7712] <... exit_group resumed>) = ? [pid 7711] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7720] +++ exited with 0 +++ [pid 7719] <... futex resumed>) = 1 [pid 7713] +++ exited with 0 +++ [pid 7709] <... futex resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./158/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7719] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... openat resumed>) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7712] +++ exited with 0 +++ [pid 5005] close(4 [pid 7721] <... mprotect resumed>) = 0 [pid 7711] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... close resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7712, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 7721] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7709] exit_group(0 [pid 5005] rmdir("./158/bus" [pid 7711] <... futex resumed>) = -1 (errno 18446744073709551532) ./strace-static-x86_64: Process 7722 attached [pid 7719] <... futex resumed>) = ? [pid 7711] +++ exited with 0 +++ [pid 7709] <... exit_group resumed>) = ? [pid 5005] <... rmdir resumed>) = 0 [pid 7722] set_robust_list(0x7fe58847a9e0, 24 [pid 7721] <... clone resumed>, parent_tid=[7722], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7722 [pid 7719] +++ exited with 0 +++ [pid 5004] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7722] <... set_robust_list resumed>) = 0 [pid 7721] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7721] <... futex resumed>) = 0 [pid 7709] +++ exited with 0 +++ [pid 5005] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7721] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7709, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5005] lstat("./158/binderfs", [pid 5004] <... openat resumed>) = 3 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] fstat(3, [pid 5007] <... restart_syscall resumed>) = 0 [pid 5005] unlink("./158/binderfs") = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7722] memfd_create("syzkaller", 0 [pid 5005] getdents64(3, [pid 7722] <... memfd_create resumed>) = 3 [pid 5007] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] getdents64(3, [pid 7722] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] close(3 [pid 5007] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... close resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] <... openat resumed>) = 3 [ 224.187421][ T7719] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 224.199771][ T7720] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 224.229736][ T7711] overlayfs: failed to resolve './file0': -2 [pid 5005] rmdir("./158" [pid 5004] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7722] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] fstat(3, [pid 5005] <... rmdir resumed>) = 0 [pid 5005] mkdir("./159", 0777 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7723 ./strace-static-x86_64: Process 7723 attached [pid 7723] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7723] chdir("./159") = 0 [pid 7723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7723] setpgid(0, 0 [pid 5007] getdents64(3, [pid 7723] <... setpgid resumed>) = 0 [pid 7723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7723] <... openat resumed>) = 3 [pid 7723] write(3, "1000", 4) = 4 [pid 7723] close(3) = 0 [pid 7723] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7723] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7723] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7723] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7724], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7724 [pid 7723] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7723] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7724 attached [pid 7724] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7724] memfd_create("syzkaller", 0) = 3 [pid 7724] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./156/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./156/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./156/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./156/bus" [pid 7722] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... rmdir resumed>) = 0 [pid 5004] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./156/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./156") = 0 [pid 5004] mkdir("./157", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7725 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./157/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./157/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, ./strace-static-x86_64: Process 7725 attached 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./157/bus" [pid 7725] set_robust_list(0x5555568c85e0, 24 [pid 5007] <... rmdir resumed>) = 0 [pid 7725] <... set_robust_list resumed>) = 0 [pid 7724] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7725] chdir("./157" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./157/binderfs", [pid 7725] <... chdir resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./157/binderfs" [pid 7725] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7725] <... prctl resumed>) = 0 [pid 5007] close(3 [pid 7725] setpgid(0, 0 [pid 5007] <... close resumed>) = 0 [pid 5007] rmdir("./157" [pid 7725] <... setpgid resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5007] mkdir("./158", 0777 [pid 7725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7725] <... openat resumed>) = 3 [pid 5007] <... openat resumed>) = 3 [pid 7725] write(3, "1000", 4) = 4 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 7725] close(3 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7725] <... close resumed>) = 0 [pid 5007] close(3 [pid 7725] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7726 ./strace-static-x86_64: Process 7726 attached [pid 7726] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7726] chdir("./158") = 0 [pid 7726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7726] setpgid(0, 0) = 0 [pid 7726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7725] <... symlink resumed>) = 0 [pid 7726] write(3, "1000", 4 [pid 7725] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7726] <... write resumed>) = 4 [pid 7726] close(3 [pid 7725] <... futex resumed>) = 0 [pid 7726] <... close resumed>) = 0 [pid 7726] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7726] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7725] <... mmap resumed>) = 0x7fe58845a000 [pid 7726] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7725] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7726] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7725] <... mprotect resumed>) = 0 [pid 7725] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7726] <... clone resumed>, parent_tid=[7727], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7727 [pid 7726] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7725] <... clone resumed>, parent_tid=[7728], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7728 [pid 7726] <... futex resumed>) = 0 [pid 7725] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7726] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7725] <... futex resumed>) = 0 [pid 7725] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7728 attached [pid 7728] set_robust_list(0x7fe58847a9e0, 24./strace-static-x86_64: Process 7727 attached ) = 0 [pid 7722] <... write resumed>) = 4194304 [pid 7728] memfd_create("syzkaller", 0) = 3 [pid 7722] munmap(0x7fe58005a000, 4194304 [pid 7728] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7727] set_robust_list(0x7fe58847a9e0, 24 [pid 7724] <... write resumed>) = 4194304 [pid 7722] <... munmap resumed>) = 0 [pid 7727] <... set_robust_list resumed>) = 0 [pid 7724] munmap(0x7fe58005a000, 4194304 [pid 7722] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7727] memfd_create("syzkaller", 0 [pid 7724] <... munmap resumed>) = 0 [pid 7722] <... openat resumed>) = 4 [pid 7727] <... memfd_create resumed>) = 3 [pid 7722] ioctl(4, LOOP_SET_FD, 3 [pid 7727] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7724] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7724] ioctl(4, LOOP_SET_FD, 3 [pid 7728] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7722] <... ioctl resumed>) = 0 [pid 7724] <... ioctl resumed>) = 0 [pid 7724] close(3) = 0 [pid 7724] mkdir("./bus", 0777) = 0 [pid 7724] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7722] close(3) = 0 [ 224.497129][ T7722] loop5: detected capacity change from 0 to 8192 [ 224.512270][ T7724] loop2: detected capacity change from 0 to 8192 [ 224.528671][ T7724] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7722] mkdir("./bus", 0777) = 0 [pid 7722] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 224.543869][ T7724] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 224.555902][ T7724] REISERFS (device loop2): using ordered data mode [ 224.563771][ T7722] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 224.564362][ T7724] reiserfs: using flush barriers [pid 7727] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7728] <... write resumed>) = 4194304 [pid 7728] munmap(0x7fe58005a000, 4194304) = 0 [pid 7728] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7728] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7728] close(3) = 0 [ 224.585646][ T7724] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.601159][ T7722] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 224.603680][ T7724] REISERFS (device loop2): checking transaction log (loop2) [ 224.611272][ T7722] REISERFS (device loop5): using ordered data mode [ 224.624728][ T7722] reiserfs: using flush barriers [ 224.628888][ T7728] loop1: detected capacity change from 0 to 8192 [pid 7728] mkdir("./bus", 0777) = 0 [ 224.636623][ T7722] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.642211][ T7724] REISERFS (device loop2): Using r5 hash to sort names [ 224.653131][ T7722] REISERFS (device loop5): checking transaction log (loop5) [ 224.667934][ T7722] REISERFS (device loop5): Using r5 hash to sort names [ 224.675599][ T7722] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7728] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7722] <... mount resumed>) = 0 [ 224.688717][ T7728] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 224.701733][ T7728] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 224.710926][ T7728] REISERFS (device loop1): using ordered data mode [ 224.714635][ T7724] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 224.717555][ T7722] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 224.733281][ T7728] reiserfs: using flush barriers [pid 7727] <... write resumed>) = 4194304 [pid 7727] munmap(0x7fe58005a000, 4194304 [pid 7722] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7724] <... mount resumed>) = 0 [pid 7722] <... openat resumed>) = 3 [pid 7727] <... munmap resumed>) = 0 [pid 7727] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7727] ioctl(4, LOOP_SET_FD, 3 [pid 7724] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7722] chdir("./bus" [pid 7724] <... openat resumed>) = 3 [pid 7722] <... chdir resumed>) = 0 [pid 7724] chdir("./bus" [pid 7722] ioctl(4, LOOP_CLR_FD [pid 7724] <... chdir resumed>) = 0 [pid 7722] <... ioctl resumed>) = 0 [pid 7724] ioctl(4, LOOP_CLR_FD [pid 7722] close(4 [pid 7724] <... ioctl resumed>) = 0 [pid 7722] <... close resumed>) = 0 [pid 7724] close(4 [pid 7722] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [ 224.744158][ T7724] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 224.755033][ T7728] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.762792][ T7727] loop4: detected capacity change from 0 to 8192 [ 224.771543][ T7728] REISERFS (device loop1): checking transaction log (loop1) [ 224.785874][ T7728] REISERFS (device loop1): Using r5 hash to sort names [pid 7724] <... close resumed>) = 0 [pid 7722] <... futex resumed>) = 1 [pid 7721] <... futex resumed>) = 0 [pid 7724] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7721] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7724] <... futex resumed>) = 1 [pid 7723] <... futex resumed>) = 0 [pid 7722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7721] <... futex resumed>) = 0 [pid 7724] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7723] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] mkdir("./file1", 000 [pid 7721] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7723] <... futex resumed>) = 0 [pid 7722] <... mkdir resumed>) = 0 [pid 7724] mkdir("./file1", 000 [pid 7723] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7722] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] <... mount resumed>) = 0 [pid 7727] <... ioctl resumed>) = 0 [pid 7724] <... mkdir resumed>) = 0 [pid 7722] <... futex resumed>) = 1 [pid 7721] <... futex resumed>) = 0 [pid 7728] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7727] close(3 [pid 7724] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7721] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] <... openat resumed>) = 3 [pid 7727] <... close resumed>) = 0 [pid 7724] <... futex resumed>) = 1 [pid 7723] <... futex resumed>) = 0 [pid 7722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7721] <... futex resumed>) = 0 [pid 7728] chdir("./bus" [pid 7727] mkdir("./bus", 0777 [pid 7724] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7723] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] mkdir("./bus", 000 [pid 7721] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7728] <... chdir resumed>) = 0 [pid 7727] <... mkdir resumed>) = 0 [pid 7724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7723] <... futex resumed>) = 0 [pid 7722] <... mkdir resumed>) = 0 [pid 7728] ioctl(4, LOOP_CLR_FD [pid 7727] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7724] mkdir("./bus", 000 [pid 7723] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7722] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] <... ioctl resumed>) = 0 [pid 7728] close(4) = 0 [pid 7724] <... mkdir resumed>) = 0 [pid 7722] <... futex resumed>) = 1 [pid 7721] <... futex resumed>) = 0 [pid 7728] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7725] <... futex resumed>) = 0 [pid 7728] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7725] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7725] <... futex resumed>) = 0 [pid 7728] mkdir("./file1", 000 [pid 7725] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7728] <... mkdir resumed>) = 0 [pid 7728] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7725] <... futex resumed>) = 0 [pid 7728] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7725] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7725] <... futex resumed>) = 0 [pid 7728] mkdir("./bus", 000 [pid 7725] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7728] <... mkdir resumed>) = 0 [pid 7728] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7725] <... futex resumed>) = 0 [pid 7728] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7725] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7725] <... futex resumed>) = 0 [pid 7724] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 224.793002][ T7728] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 224.809470][ T7728] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7721] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7725] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7724] <... futex resumed>) = 1 [pid 7723] <... futex resumed>) = 0 [pid 7722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7721] <... futex resumed>) = 0 [pid 7724] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7723] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 224.851826][ T7727] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 224.866584][ T7728] overlayfs: upper fs needs to support d_type. [ 224.873857][ T7728] overlayfs: upper fs does not support tmpfile. [ 224.883747][ T7727] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 224.887306][ T7728] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7721] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7723] <... futex resumed>) = 0 [pid 7724] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7723] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7725] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7725] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7725] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7725] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7734], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7734 [pid 7725] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7725] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7734 attached [pid 7734] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7734] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7734] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7721] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7721] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 224.894686][ T7722] overlayfs: upper fs needs to support d_type. [ 224.901923][ T7728] overlayfs: failed to resolve './file0': -2 [ 224.906744][ T7722] overlayfs: upper fs does not support tmpfile. [ 224.919948][ T7727] REISERFS (device loop4): using ordered data mode [ 224.920303][ T7724] overlayfs: upper fs needs to support d_type. [ 224.930598][ T7727] reiserfs: using flush barriers [ 224.933438][ T7722] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7723] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7721] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7721] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7735], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7735 [pid 7721] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7721] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7723] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7728] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7723] <... futex resumed>) = 0 [pid 7728] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7723] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 7735 attached [pid 7735] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7735] mkdir(".", 0777) = -1 EEXIST (File exists) [ 224.946401][ T7724] overlayfs: upper fs does not support tmpfile. [ 224.948948][ T7734] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 224.955025][ T7722] overlayfs: failed to resolve './file0': -2 [ 224.978220][ T7727] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.980377][ T7724] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7735] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7723] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7734] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7734] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7725] <... futex resumed>) = 0 [pid 7725] exit_group(0 [pid 7728] <... futex resumed>) = ? [pid 7725] <... exit_group resumed>) = ? [pid 7728] +++ exited with 0 +++ [pid 7734] <... futex resumed>) = ? [pid 7734] +++ exited with 0 +++ [pid 7725] +++ exited with 0 +++ ./strace-static-x86_64: Process 7736 attached [pid 7735] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7722] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7736] set_robust_list(0x7fe5804599e0, 24 [pid 7723] <... clone resumed>, parent_tid=[7736], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7736 [pid 7722] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7725, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7736] <... set_robust_list resumed>) = 0 [pid 7723] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] <... futex resumed>) = 0 [pid 5004] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7736] mkdir(".", 0777 [pid 7723] <... futex resumed>) = 0 [pid 7722] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7736] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7723] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7736] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5004] <... openat resumed>) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7735] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7735] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7724] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7724] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7724] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7721] <... futex resumed>) = 0 [pid 7721] exit_group(0 [pid 7722] <... futex resumed>) = ? [pid 7721] <... exit_group resumed>) = ? [pid 7736] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7735] <... futex resumed>) = ? [pid 7722] +++ exited with 0 +++ [pid 7736] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7735] +++ exited with 0 +++ [pid 7721] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7721, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5008] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7723] <... futex resumed>) = 0 [pid 7736] <... futex resumed>) = 1 [ 225.000067][ T7735] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 225.003872][ T7724] overlayfs: failed to resolve './file0': -2 [ 225.019631][ T7727] REISERFS (device loop4): checking transaction log (loop4) [ 225.033793][ T7736] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7723] exit_group(0 [pid 7724] <... futex resumed>) = ? [pid 7723] <... exit_group resumed>) = ? [pid 7736] +++ exited with 0 +++ [pid 7724] +++ exited with 0 +++ [pid 7723] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7723, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5005] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, [pid 7727] <... mount resumed>) = 0 [pid 7727] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7727] <... openat resumed>) = 3 [pid 7727] chdir("./bus") = 0 [pid 7727] ioctl(4, LOOP_CLR_FD) = 0 [pid 7727] close(4) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 7727] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7726] <... futex resumed>) = 0 [pid 5008] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = 0 [pid 7727] mkdir("./file1", 000 [pid 7726] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7727] <... mkdir resumed>) = 0 [pid 7726] <... futex resumed>) = 0 [pid 7727] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7726] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7727] <... futex resumed>) = 0 [pid 7726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7727] mkdir("./bus", 000 [pid 7726] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7727] <... mkdir resumed>) = 0 [pid 7726] <... futex resumed>) = 0 [pid 7727] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7726] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7727] <... futex resumed>) = 0 [pid 7726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 225.062576][ T7727] REISERFS (device loop4): Using r5 hash to sort names [ 225.069715][ T7727] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 225.083751][ T7727] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7727] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7726] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7726] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 7726] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] lstat("./160/bus", [pid 5005] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./157/bus", [pid 5008] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] lstat("./159/bus", [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./157/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "./160/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 4 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./157/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(4, [pid 5005] openat(AT_FDCWD, "./159/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... openat resumed>) = 4 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5004] fstat(4, [pid 5008] getdents64(4, [pid 5005] fstat(4, [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] getdents64(4, [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] close(4 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, [pid 5008] <... close resumed>) = 0 [pid 5005] getdents64(4, [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] rmdir("./160/bus" [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4 [pid 5008] <... rmdir resumed>) = 0 [pid 5005] close(4 [pid 5004] <... close resumed>) = 0 [pid 5008] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... close resumed>) = 0 [pid 5004] rmdir("./157/bus" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] rmdir("./159/bus" [pid 5004] <... rmdir resumed>) = 0 [pid 5008] lstat("./160/binderfs", [pid 5005] <... rmdir resumed>) = 0 [pid 5004] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] unlink("./160/binderfs" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./157/binderfs", [pid 5008] <... unlink resumed>) = 0 [pid 5005] lstat("./159/binderfs", [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] getdents64(3, [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./157/binderfs" [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] unlink("./159/binderfs" [pid 5004] <... unlink resumed>) = 0 [pid 5008] close(3 [pid 5005] <... unlink resumed>) = 0 [pid 5004] getdents64(3, [pid 5008] <... close resumed>) = 0 [pid 5005] getdents64(3, [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] rmdir("./160" [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3 [pid 5008] <... rmdir resumed>) = 0 [pid 5005] close(3 [pid 5004] <... close resumed>) = 0 [pid 5008] mkdir("./161", 0777 [pid 5005] <... close resumed>) = 0 [pid 5004] rmdir("./157" [pid 7727] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... mkdir resumed>) = 0 [pid 5005] rmdir("./159" [pid 7727] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5005] <... rmdir resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 7727] <... futex resumed>) = 1 [pid 7726] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5005] mkdir("./160", 0777 [pid 5004] mkdir("./158", 0777 [pid 7727] mkdir(".", 0777 [pid 7726] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5005] <... mkdir resumed>) = 0 [pid 7727] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7726] <... futex resumed>) = 0 [ 225.173497][ T7727] overlayfs: upper fs needs to support d_type. [ 225.181357][ T7727] overlayfs: upper fs does not support tmpfile. [ 225.192917][ T7727] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 225.202763][ T7727] overlayfs: failed to resolve './file0': -2 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7727] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7726] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] close(3 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... close resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5004] <... openat resumed>) = 3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7737 [pid 5005] close(3 [pid 5004] close(3 [pid 5005] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7738 attached ./strace-static-x86_64: Process 7737 attached [pid 7727] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7738 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7739 [pid 7737] set_robust_list(0x5555568c85e0, 24 [pid 7727] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7739 attached [pid 7738] set_robust_list(0x5555568c85e0, 24 [pid 7737] <... set_robust_list resumed>) = 0 [pid 7727] <... futex resumed>) = 1 [pid 7726] <... futex resumed>) = 0 [pid 7739] set_robust_list(0x5555568c85e0, 24 [pid 7738] <... set_robust_list resumed>) = 0 [pid 7737] chdir("./161" [pid 7727] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7726] exit_group(0 [pid 7739] <... set_robust_list resumed>) = 0 [pid 7738] chdir("./160" [pid 7737] <... chdir resumed>) = 0 [pid 7727] <... futex resumed>) = ? [pid 7726] <... exit_group resumed>) = ? [pid 7739] chdir("./158" [pid 7738] <... chdir resumed>) = 0 [pid 7737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7727] +++ exited with 0 +++ [pid 7739] <... chdir resumed>) = 0 [pid 7738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7737] <... prctl resumed>) = 0 [pid 7726] +++ exited with 0 +++ [pid 7739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7738] <... prctl resumed>) = 0 [pid 7737] setpgid(0, 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7726, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 7739] <... prctl resumed>) = 0 [pid 7738] setpgid(0, 0 [pid 7737] <... setpgid resumed>) = 0 [pid 7739] setpgid(0, 0 [pid 7738] <... setpgid resumed>) = 0 [pid 7737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7739] <... setpgid resumed>) = 0 [pid 7738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7737] <... openat resumed>) = 3 [pid 7739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7738] <... openat resumed>) = 3 [pid 7737] write(3, "1000", 4 [pid 7739] <... openat resumed>) = 3 [pid 7738] write(3, "1000", 4 [pid 7737] <... write resumed>) = 4 [pid 7739] write(3, "1000", 4 [pid 7738] <... write resumed>) = 4 [pid 7737] close(3 [pid 5007] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7739] <... write resumed>) = 4 [pid 7738] close(3 [pid 7737] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7739] close(3 [pid 7738] <... close resumed>) = 0 [pid 7737] symlink("/dev/binderfs", "./binderfs" [pid 5007] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7739] <... close resumed>) = 0 [pid 7738] symlink("/dev/binderfs", "./binderfs" [pid 7737] <... symlink resumed>) = 0 [pid 7739] symlink("/dev/binderfs", "./binderfs" [pid 7738] <... symlink resumed>) = 0 [pid 7737] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... openat resumed>) = 3 [pid 7739] <... symlink resumed>) = 0 [pid 7738] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7737] <... futex resumed>) = 0 [pid 5007] fstat(3, [pid 7739] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7738] <... futex resumed>) = 0 [pid 7737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7739] <... futex resumed>) = 0 [pid 7738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7737] <... mmap resumed>) = 0x7fe58845a000 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7738] <... mmap resumed>) = 0x7fe58845a000 [pid 7737] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7739] <... mmap resumed>) = 0x7fe58845a000 [pid 7738] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7737] <... mprotect resumed>) = 0 [pid 5007] getdents64(3, [pid 7739] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7738] <... mprotect resumed>) = 0 [ 225.230299][ T7727] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7737] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7739] <... mprotect resumed>) = 0 [pid 7738] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7739] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7737] <... clone resumed>, parent_tid=[7740], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7740 [pid 5007] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7738] <... clone resumed>, parent_tid=[7741], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7741 [pid 7737] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7739] <... clone resumed>, parent_tid=[7742], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7742 [pid 7738] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7737] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7742 attached ./strace-static-x86_64: Process 7740 attached [pid 7739] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7738] <... futex resumed>) = 0 [pid 7737] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7741 attached [pid 7742] set_robust_list(0x7fe58847a9e0, 24 [pid 7740] set_robust_list(0x7fe58847a9e0, 24 [pid 7739] <... futex resumed>) = 0 [pid 7738] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7742] <... set_robust_list resumed>) = 0 [pid 7741] set_robust_list(0x7fe58847a9e0, 24 [pid 7740] <... set_robust_list resumed>) = 0 [pid 7739] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7742] memfd_create("syzkaller", 0 [pid 7741] <... set_robust_list resumed>) = 0 [pid 7740] memfd_create("syzkaller", 0 [pid 7742] <... memfd_create resumed>) = 3 [pid 7741] memfd_create("syzkaller", 0 [pid 7740] <... memfd_create resumed>) = 3 [pid 7742] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7740] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7742] <... mmap resumed>) = 0x7fe58005a000 [pid 7740] <... mmap resumed>) = 0x7fe58005a000 [pid 7741] <... memfd_create resumed>) = 3 [pid 7741] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./158/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./158/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./158/bus") = 0 [pid 5007] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./158/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./158") = 0 [pid 5007] mkdir("./159", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7743 ./strace-static-x86_64: Process 7743 attached [pid 7743] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7743] chdir("./159") = 0 [pid 7743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7743] setpgid(0, 0) = 0 [pid 7743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7743] write(3, "1000", 4) = 4 [pid 7743] close(3) = 0 [pid 7743] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7743] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7743] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7743] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7744], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7744 [pid 7743] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7743] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7744 attached [pid 7744] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7744] memfd_create("syzkaller", 0) = 3 [pid 7744] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7741] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7742] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7740] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7744] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7742] <... write resumed>) = 4194304 [pid 7741] <... write resumed>) = 4194304 [pid 7742] munmap(0x7fe58005a000, 4194304 [pid 7741] munmap(0x7fe58005a000, 4194304 [pid 7740] <... write resumed>) = 4194304 [pid 7742] <... munmap resumed>) = 0 [pid 7740] munmap(0x7fe58005a000, 4194304 [pid 7741] <... munmap resumed>) = 0 [pid 7741] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7741] ioctl(4, LOOP_SET_FD, 3 [pid 7742] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7740] <... munmap resumed>) = 0 [pid 7742] <... openat resumed>) = 4 [pid 7741] <... ioctl resumed>) = 0 [pid 7742] ioctl(4, LOOP_SET_FD, 3 [pid 7741] close(3) = 0 [pid 7741] mkdir("./bus", 0777) = 0 [pid 7741] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7740] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7744] <... write resumed>) = 4194304 [pid 7744] munmap(0x7fe58005a000, 4194304 [pid 7742] <... ioctl resumed>) = 0 [pid 7740] <... openat resumed>) = 4 [pid 7740] ioctl(4, LOOP_SET_FD, 3 [pid 7742] close(3) = 0 [pid 7742] mkdir("./bus", 0777) = 0 [pid 7742] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 225.546150][ T7741] loop2: detected capacity change from 0 to 8192 [ 225.554379][ T7742] loop1: detected capacity change from 0 to 8192 [ 225.562280][ T7741] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.563651][ T7740] loop5: detected capacity change from 0 to 8192 [ 225.575426][ T7741] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7744] <... munmap resumed>) = 0 [pid 7744] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7744] ioctl(4, LOOP_SET_FD, 3 [pid 7740] <... ioctl resumed>) = 0 [pid 7740] close(3) = 0 [pid 7740] mkdir("./bus", 0777) = 0 [pid 7740] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7744] <... ioctl resumed>) = 0 [ 225.591383][ T7741] REISERFS (device loop2): using ordered data mode [ 225.598467][ T7741] reiserfs: using flush barriers [ 225.601307][ T7744] loop4: detected capacity change from 0 to 8192 [ 225.609299][ T7741] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 225.610675][ T7742] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.627771][ T7741] REISERFS (device loop2): checking transaction log (loop2) [pid 7744] close(3) = 0 [pid 7744] mkdir("./bus", 0777) = 0 [ 225.639456][ T7742] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 225.655596][ T7742] REISERFS (device loop1): using ordered data mode [ 225.656426][ T7740] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.662188][ T7742] reiserfs: using flush barriers [ 225.681354][ T7742] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 225.682007][ T7740] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 225.698098][ T7744] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.707782][ T7740] REISERFS (device loop5): using ordered data mode [ 225.720695][ T7744] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 225.726401][ T7740] reiserfs: using flush barriers [ 225.736808][ T7744] REISERFS (device loop4): using ordered data mode [ 225.740281][ T7741] REISERFS (device loop2): Using r5 hash to sort names [ 225.747515][ T7742] REISERFS (device loop1): checking transaction log (loop1) [ 225.755160][ T7744] reiserfs: using flush barriers [ 225.762603][ T7742] REISERFS (device loop1): Using r5 hash to sort names [ 225.766416][ T7740] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 225.773098][ T7741] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 225.792197][ T7742] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 225.814675][ T7740] REISERFS (device loop5): checking transaction log (loop5) [ 225.815048][ T7744] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 225.839026][ T7740] REISERFS (device loop5): Using r5 hash to sort names [pid 7744] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7742] <... mount resumed>) = 0 [pid 7741] <... mount resumed>) = 0 [pid 7740] <... mount resumed>) = 0 [pid 7741] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7741] chdir("./bus") = 0 [pid 7741] ioctl(4, LOOP_CLR_FD) = 0 [pid 7741] close(4) = 0 [pid 7741] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7738] <... futex resumed>) = 0 [pid 7741] mkdir("./file1", 000 [pid 7738] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7741] <... mkdir resumed>) = 0 [pid 7738] <... futex resumed>) = 0 [pid 7741] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7738] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7741] <... futex resumed>) = 0 [pid 7738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7741] mkdir("./bus", 000 [pid 7738] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7741] <... mkdir resumed>) = 0 [pid 7738] <... futex resumed>) = 0 [pid 7741] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7738] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7741] <... futex resumed>) = 0 [pid 7738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7741] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7740] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7738] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 225.839231][ T7741] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 225.846119][ T7740] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 225.856825][ T7742] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 225.867660][ T7740] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 225.868371][ T7744] REISERFS (device loop4): checking transaction log (loop4) [pid 7740] <... openat resumed>) = 3 [pid 7738] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7742] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7740] chdir("./bus" [pid 7742] <... openat resumed>) = 3 [pid 7742] chdir("./bus") = 0 [pid 7742] ioctl(4, LOOP_CLR_FD [pid 7740] <... chdir resumed>) = 0 [pid 7742] <... ioctl resumed>) = 0 [pid 7740] ioctl(4, LOOP_CLR_FD [pid 7742] close(4 [pid 7740] <... ioctl resumed>) = 0 [pid 7742] <... close resumed>) = 0 [pid 7740] close(4 [pid 7742] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7740] <... close resumed>) = 0 [pid 7742] <... futex resumed>) = 1 [pid 7740] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7739] <... futex resumed>) = 0 [pid 7742] mkdir("./file1", 000 [pid 7740] <... futex resumed>) = 1 [pid 7739] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7737] <... futex resumed>) = 0 [pid 7742] <... mkdir resumed>) = 0 [pid 7740] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7739] <... futex resumed>) = 0 [pid 7737] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7742] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7739] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7737] <... futex resumed>) = 0 [pid 7742] <... futex resumed>) = 0 [pid 7740] mkdir("./file1", 000 [pid 7739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7737] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7742] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7740] <... mkdir resumed>) = 0 [pid 7739] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7740] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7739] <... futex resumed>) = 0 [pid 7742] mkdir("./bus", 000 [pid 7740] <... futex resumed>) = 1 [pid 7739] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7737] <... futex resumed>) = 0 [pid 7742] <... mkdir resumed>) = 0 [pid 7740] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7737] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7742] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7737] <... futex resumed>) = 0 [pid 7742] <... futex resumed>) = 1 [pid 7740] mkdir("./bus", 000 [pid 7739] <... futex resumed>) = 0 [pid 7737] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7742] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7740] <... mkdir resumed>) = 0 [pid 7739] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7740] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7739] <... futex resumed>) = 0 [pid 7742] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7740] <... futex resumed>) = 1 [pid 7739] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7737] <... futex resumed>) = 0 [pid 7740] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7737] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 225.896298][ T7741] overlayfs: upper fs needs to support d_type. [ 225.917576][ T7741] overlayfs: upper fs does not support tmpfile. [ 225.935041][ T7742] overlayfs: upper fs needs to support d_type. [pid 7737] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7738] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7738] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7738] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7738] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7749], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7749 [pid 7738] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7740] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7738] <... futex resumed>) = 0 [pid 7738] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7739] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7739] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7739] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7737] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7739] <... mprotect resumed>) = 0 [pid 7737] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7739] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7737] <... futex resumed>) = 0 [pid 7737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7739] <... clone resumed>, parent_tid=[7750], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7750 [pid 7737] <... mmap resumed>) = 0x7fe580439000 [pid 7739] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7737] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7739] <... futex resumed>) = 0 [pid 7737] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7739] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7737] <... clone resumed>, parent_tid=[7751], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7751 [pid 7737] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 225.942394][ T7744] REISERFS (device loop4): Using r5 hash to sort names [ 225.945017][ T7742] overlayfs: upper fs does not support tmpfile. [ 225.949511][ T7744] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 225.963253][ T7741] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 225.977161][ T7740] overlayfs: upper fs needs to support d_type. [ 225.978138][ T7742] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7737] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7750 attached [pid 7750] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7750] mkdir(".", 0777./strace-static-x86_64: Process 7749 attached ./strace-static-x86_64: Process 7751 attached [pid 7749] set_robust_list(0x7fe5804599e0, 24 [pid 7751] set_robust_list(0x7fe5804599e0, 24 [pid 7749] <... set_robust_list resumed>) = 0 [pid 7751] <... set_robust_list resumed>) = 0 [pid 7750] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7749] mkdir(".", 0777 [pid 7751] mkdir(".", 0777 [pid 7750] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7749] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7751] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7749] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 226.007990][ T7741] overlayfs: failed to resolve './file0': -2 [ 226.011565][ T7740] overlayfs: upper fs does not support tmpfile. [ 226.023892][ T7740] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7751] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7750] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7750] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7739] <... futex resumed>) = 0 [pid 7750] <... futex resumed>) = 1 [pid 7750] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7749] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7741] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7741] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 226.044260][ T7749] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 226.044783][ T7742] overlayfs: failed to resolve './file0': -2 [ 226.065613][ T7750] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 226.065693][ T7751] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 226.089330][ T7744] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7741] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7744] <... mount resumed>) = 0 [pid 7744] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7751] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7749] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7742] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7749] <... futex resumed>) = 1 [pid 7738] <... futex resumed>) = 0 [pid 7742] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7749] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7738] exit_group(0 [pid 7742] <... futex resumed>) = 0 [pid 7742] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7751] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7737] <... futex resumed>) = 0 [pid 7751] <... futex resumed>) = 1 [pid 7749] <... futex resumed>) = ? [pid 7744] chdir("./bus" [pid 7741] <... futex resumed>) = ? [pid 7739] exit_group(0 [pid 7738] <... exit_group resumed>) = ? [pid 7750] <... futex resumed>) = ? [pid 7749] +++ exited with 0 +++ [pid 7742] <... futex resumed>) = ? [pid 7741] +++ exited with 0 +++ [pid 7739] <... exit_group resumed>) = ? [pid 7750] +++ exited with 0 +++ [pid 7744] <... chdir resumed>) = 0 [pid 7742] +++ exited with 0 +++ [pid 7739] +++ exited with 0 +++ [pid 7738] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7738, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7739, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7751] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7744] ioctl(4, LOOP_CLR_FD) = 0 [pid 7744] close(4) = 0 [pid 5005] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7744] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7743] <... futex resumed>) = 0 [pid 7743] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7743] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7744] <... futex resumed>) = 1 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7744] mkdir("./file1", 000 [pid 5004] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7744] <... mkdir resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5004] fstat(3, [pid 7744] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, [pid 7744] <... futex resumed>) = 1 [pid 7743] <... futex resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7744] mkdir("./bus", 000 [pid 7743] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7744] <... mkdir resumed>) = 0 [pid 7743] <... futex resumed>) = 0 [pid 7744] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7743] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7744] <... futex resumed>) = 0 [pid 7743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7744] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 226.104882][ T7740] overlayfs: failed to resolve './file0': -2 [pid 7743] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7740] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7743] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7740] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7737] exit_group(0 [pid 7751] <... futex resumed>) = ? [pid 7737] <... exit_group resumed>) = ? [pid 7751] +++ exited with 0 +++ [pid 7740] +++ exited with 0 +++ [pid 7737] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7737, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=27 /* 0.27 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 226.137555][ T7744] overlayfs: upper fs needs to support d_type. [ 226.149192][ T7744] overlayfs: upper fs does not support tmpfile. [pid 5008] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7743] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7743] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7743] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7743] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7752], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7752 [pid 7743] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7743] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7752 attached [pid 7752] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7752] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7752] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./160/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./160/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./160/bus") = 0 [pid 5005] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./160/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./160") = 0 [pid 5005] mkdir("./161", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7753 ./strace-static-x86_64: Process 7753 attached [pid 7753] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7753] chdir("./161") = 0 [ 226.205419][ T7744] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 226.232918][ T7752] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7752] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7752] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7752] <... futex resumed>) = 1 [pid 7743] <... futex resumed>) = 0 [pid 7752] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] lstat("./158/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./158/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./158/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] <... openat resumed>) = 4 [pid 7753] <... prctl resumed>) = 0 [pid 7753] setpgid(0, 0 [pid 5004] fstat(4, [pid 7753] <... setpgid resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7744] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7744] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] getdents64(4, [pid 7744] <... futex resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7753] <... openat resumed>) = 3 [pid 5004] getdents64(4, [pid 7753] write(3, "1000", 4 [pid 7744] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7753] <... write resumed>) = 4 [pid 7743] exit_group(0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7753] close(3) = 0 [pid 7752] <... futex resumed>) = ? [pid 7743] <... exit_group resumed>) = ? [pid 5004] close(4 [pid 7753] symlink("/dev/binderfs", "./binderfs" [pid 7752] +++ exited with 0 +++ [pid 5004] <... close resumed>) = 0 [pid 7744] <... futex resumed>) = ? [pid 7753] <... symlink resumed>) = 0 [pid 5004] rmdir("./158/bus" [pid 7753] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7744] +++ exited with 0 +++ [pid 7743] +++ exited with 0 +++ [pid 5004] <... rmdir resumed>) = 0 [pid 7753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7743, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7753] <... mmap resumed>) = 0x7fe58845a000 [pid 7753] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7753] <... mprotect resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5004] lstat("./158/binderfs", [pid 7753] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... umount2 resumed>) = 0 [pid 5007] fstat(3, [pid 5008] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5008] lstat("./161/bus", [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7754 attached [pid 7753] <... clone resumed>, parent_tid=[7754], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7754 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] unlink("./158/binderfs" [pid 7754] set_robust_list(0x7fe58847a9e0, 24 [pid 7753] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7754] <... set_robust_list resumed>) = 0 [pid 7753] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... unlink resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./161/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7753] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] fstat(4, [pid 5004] getdents64(3, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 226.289856][ T7744] overlayfs: failed to resolve './file0': -2 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7754] memfd_create("syzkaller", 0 [pid 5008] getdents64(4, [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./161/bus") = 0 [pid 5008] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./161/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./161") = 0 [pid 5008] mkdir("./162", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7755 ./strace-static-x86_64: Process 7755 attached [pid 7755] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7755] chdir("./162") = 0 [pid 7755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] close(3) = 0 [pid 5004] rmdir("./158" [pid 7755] <... prctl resumed>) = 0 [pid 7755] setpgid(0, 0) = 0 [pid 7755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] <... rmdir resumed>) = 0 [pid 5004] mkdir("./159", 0777 [pid 7755] <... openat resumed>) = 3 [pid 5004] <... mkdir resumed>) = 0 [pid 7755] write(3, "1000", 4 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7755] <... write resumed>) = 4 [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 7755] close(3 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7755] <... close resumed>) = 0 [pid 7755] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7756 [pid 7755] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7755] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7754] <... memfd_create resumed>) = 3 [pid 7755] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7754] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7755] <... clone resumed>, parent_tid=[7757], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7757 [pid 7754] <... mmap resumed>) = 0x7fe58005a000 [pid 7755] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7755] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7757 attached [pid 7757] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7757] memfd_create("syzkaller", 0) = 3 [pid 7757] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 7756 attached [pid 7756] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7756] chdir("./159") = 0 [pid 7756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7756] setpgid(0, 0) = 0 [pid 7756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7756] write(3, "1000", 4) = 4 [pid 7756] close(3) = 0 [pid 7756] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7756] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5007] <... umount2 resumed>) = 0 [pid 7756] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5007] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7756] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./159/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7756] <... clone resumed>, parent_tid=[7758], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7758 [pid 7756] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./159/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7756] <... futex resumed>) = 0 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7756] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./159/bus"./strace-static-x86_64: Process 7758 attached ) = 0 [pid 7758] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7758] <... set_robust_list resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7758] memfd_create("syzkaller", 0) = 3 [pid 5007] lstat("./159/binderfs", [pid 7758] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7758] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] unlink("./159/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./159") = 0 [pid 5007] mkdir("./160", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7759 ./strace-static-x86_64: Process 7759 attached [pid 7759] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7759] chdir("./160") = 0 [pid 7759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7759] setpgid(0, 0) = 0 [pid 7759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7759] write(3, "1000", 4) = 4 [pid 7759] close(3) = 0 [pid 7759] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7759] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7759] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7759] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7760], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7760 [pid 7759] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7759] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7760 attached [pid 7760] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7760] memfd_create("syzkaller", 0) = 3 [pid 7760] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7754] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7757] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7758] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7760] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7754] <... write resumed>) = 4194304 [pid 7754] munmap(0x7fe58005a000, 4194304) = 0 [pid 7754] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7754] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7754] close(3) = 0 [pid 7754] mkdir("./bus", 0777) = 0 [pid 7754] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7760] <... write resumed>) = 4194304 [pid 7757] <... write resumed>) = 4194304 [pid 7757] munmap(0x7fe58005a000, 4194304) = 0 [ 226.571941][ T7754] loop2: detected capacity change from 0 to 8192 [ 226.589077][ T7754] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.607566][ T7754] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7757] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7760] munmap(0x7fe58005a000, 4194304 [pid 7757] <... openat resumed>) = 4 [pid 7757] ioctl(4, LOOP_SET_FD, 3 [pid 7760] <... munmap resumed>) = 0 [pid 7760] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7760] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7758] <... write resumed>) = 4194304 [pid 7757] <... ioctl resumed>) = 0 [pid 7760] close(3) = 0 [pid 7760] mkdir("./bus", 0777) = 0 [pid 7760] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7758] munmap(0x7fe58005a000, 4194304 [pid 7757] close(3 [pid 7758] <... munmap resumed>) = 0 [pid 7757] <... close resumed>) = 0 [pid 7758] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7757] mkdir("./bus", 0777) = 0 [pid 7757] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7758] <... openat resumed>) = 4 [ 226.617588][ T7754] REISERFS (device loop2): using ordered data mode [ 226.618307][ T7757] loop5: detected capacity change from 0 to 8192 [ 226.634249][ T7760] loop4: detected capacity change from 0 to 8192 [ 226.637980][ T7754] reiserfs: using flush barriers [ 226.652717][ T7760] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.653067][ T7758] loop1: detected capacity change from 0 to 8192 [ 226.665886][ T7760] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 226.672890][ T7754] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 226.681953][ T7760] REISERFS (device loop4): using ordered data mode [ 226.703996][ T7760] reiserfs: using flush barriers [pid 7758] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7758] close(3) = 0 [pid 7758] mkdir("./bus", 0777) = 0 [ 226.710149][ T7760] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 226.710487][ T7757] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.726706][ T7754] REISERFS (device loop2): checking transaction log (loop2) [ 226.747390][ T7757] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 226.748757][ T7760] REISERFS (device loop4): checking transaction log (loop4) [ 226.758101][ T7754] REISERFS (device loop2): Using r5 hash to sort names [ 226.764414][ T7757] REISERFS (device loop5): using ordered data mode [ 226.771234][ T7758] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.777584][ T7757] reiserfs: using flush barriers [ 226.791384][ T7754] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.796487][ T7758] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7758] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7754] <... mount resumed>) = 0 [ 226.808361][ T7754] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 226.817036][ T7760] REISERFS (device loop4): Using r5 hash to sort names [ 226.833057][ T7757] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 226.849936][ T7758] REISERFS (device loop1): using ordered data mode [ 226.850245][ T7757] REISERFS (device loop5): checking transaction log (loop5) [pid 7754] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7754] chdir("./bus") = 0 [pid 7754] ioctl(4, LOOP_CLR_FD) = 0 [pid 7754] close(4) = 0 [pid 7754] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7753] <... futex resumed>) = 0 [pid 7760] <... mount resumed>) = 0 [pid 7754] mkdir("./file1", 000 [pid 7753] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7754] <... mkdir resumed>) = 0 [pid 7753] <... futex resumed>) = 0 [pid 7754] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7753] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7754] <... futex resumed>) = 0 [pid 7753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7754] mkdir("./bus", 000 [pid 7753] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7754] <... mkdir resumed>) = 0 [pid 7753] <... futex resumed>) = 0 [pid 7754] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7753] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7754] <... futex resumed>) = 0 [pid 7753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7754] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7753] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 226.864757][ T7760] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.866262][ T7758] reiserfs: using flush barriers [ 226.882506][ T7760] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 226.893445][ T7757] REISERFS (device loop5): Using r5 hash to sort names [ 226.897013][ T7758] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7753] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7760] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7760] chdir("./bus") = 0 [pid 7760] ioctl(4, LOOP_CLR_FD) = 0 [pid 7760] close(4) = 0 [pid 7760] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7759] <... futex resumed>) = 0 [pid 7760] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7759] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7759] <... futex resumed>) = 0 [pid 7760] mkdir("./file1", 000 [pid 7759] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7760] <... mkdir resumed>) = 0 [pid 7753] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7760] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7759] <... futex resumed>) = 0 [pid 7760] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7759] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7753] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 226.910194][ T7757] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.917921][ T7758] REISERFS (device loop1): checking transaction log (loop1) [ 226.929941][ T7754] overlayfs: upper fs needs to support d_type. [ 226.938020][ T7758] REISERFS (device loop1): Using r5 hash to sort names [ 226.943795][ T7754] overlayfs: upper fs does not support tmpfile. [ 226.958290][ T7757] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7753] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7753] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7765], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7765 [pid 7753] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7753] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7765 attached [pid 7765] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7765] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7765] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7759] <... futex resumed>) = 0 [pid 7757] <... mount resumed>) = 0 [pid 7757] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7757] chdir("./bus") = 0 [pid 7757] ioctl(4, LOOP_CLR_FD) = 0 [pid 7757] close(4) = 0 [pid 7757] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7757] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7760] mkdir("./bus", 000 [pid 7759] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7760] <... mkdir resumed>) = 0 [pid 7755] <... futex resumed>) = 0 [pid 7760] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7755] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7760] <... futex resumed>) = 1 [pid 7757] <... futex resumed>) = 0 [pid 7755] <... futex resumed>) = 1 [pid 7759] <... futex resumed>) = 0 [pid 7760] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7759] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7755] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7759] <... futex resumed>) = 0 [pid 7760] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7759] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7757] mkdir("./file1", 000) = 0 [pid 7757] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7755] <... futex resumed>) = 0 [ 226.972368][ T7758] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.979336][ T7754] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 226.990886][ T7758] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 226.998365][ T7754] overlayfs: failed to resolve './file0': -2 [ 227.017456][ T7760] overlayfs: upper fs needs to support d_type. [pid 7757] mkdir("./bus", 000 [pid 7755] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7757] <... mkdir resumed>) = 0 [pid 7755] <... futex resumed>) = 0 [pid 7757] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7755] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7757] <... futex resumed>) = 0 [pid 7755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7757] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7755] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7755] <... futex resumed>) = 0 [pid 7757] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7755] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7758] <... mount resumed>) = 0 [pid 7758] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7758] chdir("./bus") = 0 [pid 7758] ioctl(4, LOOP_CLR_FD) = 0 [pid 7758] close(4) = 0 [pid 7759] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7758] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7759] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7758] <... futex resumed>) = 1 [pid 7756] <... futex resumed>) = 0 [pid 7759] <... futex resumed>) = 0 [pid 7758] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7756] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7756] <... futex resumed>) = 0 [pid 7756] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7759] <... mmap resumed>) = 0x7fe580439000 [pid 7758] mkdir("./file1", 000 [pid 7759] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7758] <... mkdir resumed>) = 0 [pid 7759] <... mprotect resumed>) = 0 [pid 7759] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7766], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7766 [pid 7758] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7759] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7758] <... futex resumed>) = 1 [pid 7759] <... futex resumed>) = 0 [pid 7756] <... futex resumed>) = 0 [pid 7759] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7758] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7756] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7756] <... futex resumed>) = 0 [pid 7758] mkdir("./bus", 000 [pid 7756] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7758] <... mkdir resumed>) = 0 [pid 7758] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7756] <... futex resumed>) = 0 [pid 7758] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7756] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7766 attached [pid 7758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7756] <... futex resumed>) = 0 [pid 7766] set_robust_list(0x7fe5804599e0, 24 [pid 7758] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 227.020476][ T7765] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 227.024684][ T7760] overlayfs: upper fs does not support tmpfile. [ 227.043239][ T7757] overlayfs: upper fs needs to support d_type. [ 227.046815][ T7760] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 227.052589][ T7757] overlayfs: upper fs does not support tmpfile. [pid 7756] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7766] <... set_robust_list resumed>) = 0 [pid 7755] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7755] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7755] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7755] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7767], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7767 [pid 7755] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7755] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7766] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7766] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7767 attached [pid 7767] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7767] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7767] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7756] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7756] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 227.092442][ T7758] overlayfs: upper fs needs to support d_type. [ 227.098671][ T7758] overlayfs: upper fs does not support tmpfile. [ 227.116950][ T7766] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 227.123398][ T7757] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7756] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7756] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7768], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7768 [pid 7756] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7756] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7765] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7765] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7754] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7754] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7754] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7766] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7753] <... futex resumed>) = 0 [pid 7753] exit_group(0 [pid 7754] <... futex resumed>) = ? [pid 7753] <... exit_group resumed>) = ? [pid 7754] +++ exited with 0 +++ [pid 7765] <... futex resumed>) = ? [pid 7765] +++ exited with 0 +++ [pid 7753] +++ exited with 0 +++ [pid 7766] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7753, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=28 /* 0.28 s */} --- ./strace-static-x86_64: Process 7768 attached [pid 7766] <... futex resumed>) = 1 [pid 7759] <... futex resumed>) = 0 [pid 7760] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7766] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7760] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7760] <... futex resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7760] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... openat resumed>) = 3 [pid 7768] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7768] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7768] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5005] fstat(3, [pid 7759] exit_group(0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7766] <... futex resumed>) = ? [pid 7760] <... futex resumed>) = ? [pid 7759] <... exit_group resumed>) = ? [pid 5005] getdents64(3, [pid 7766] +++ exited with 0 +++ [pid 7760] +++ exited with 0 +++ [pid 7759] +++ exited with 0 +++ [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7759, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5005] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 227.132937][ T7758] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 227.149052][ T7760] overlayfs: failed to resolve './file0': -2 [ 227.150587][ T7767] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 227.157377][ T7758] overlayfs: failed to resolve './file0': -2 [pid 5007] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7767] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7767] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7767] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7768] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7755] <... futex resumed>) = 0 [pid 7768] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7756] <... futex resumed>) = 0 [pid 7768] <... futex resumed>) = 1 [pid 7768] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7758] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7758] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7756] exit_group(0 [pid 7758] <... futex resumed>) = ? [pid 7756] <... exit_group resumed>) = ? [pid 7758] +++ exited with 0 +++ [pid 7768] <... futex resumed>) = ? [pid 7768] +++ exited with 0 +++ [pid 7756] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7756, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=26 /* 0.26 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7757] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7757] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7757] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7755] exit_group(0 [pid 7767] <... futex resumed>) = ? [pid 7755] <... exit_group resumed>) = ? [pid 7767] +++ exited with 0 +++ [pid 7757] <... futex resumed>) = ? [pid 7757] +++ exited with 0 +++ [pid 7755] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7755, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5008] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 227.189359][ T7768] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 227.196419][ T7757] overlayfs: failed to resolve './file0': -2 [pid 5008] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = 0 [pid 5005] lstat("./161/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./161/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, [pid 5007] <... umount2 resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./161/bus" [pid 5007] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./160/bus", [pid 5004] lstat("./159/bus", [pid 5005] <... rmdir resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./159/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] unlink("./161/binderfs" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./160/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] openat(AT_FDCWD, "./159/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... openat resumed>) = 4 [pid 5004] <... openat resumed>) = 4 [pid 5005] <... unlink resumed>) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3 [pid 5007] fstat(4, [pid 5004] fstat(4, [pid 5005] <... close resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, [pid 5004] getdents64(4, [pid 5005] rmdir("./161" [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, [pid 5004] getdents64(4, [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4 [pid 5004] close(4 [pid 5007] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5007] rmdir("./160/bus" [pid 5004] rmdir("./159/bus" [pid 5007] <... rmdir resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5007] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] lstat("./159/binderfs", [pid 5007] unlink("./160/binderfs" [pid 5005] <... rmdir resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5005] mkdir("./162", 0777 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] unlink("./159/binderfs" [pid 5007] close(3) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5007] rmdir("./160" [pid 5004] getdents64(3, [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] mkdir("./161", 0777) = 0 [pid 5004] close(3) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] rmdir("./159" [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] <... rmdir resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5004] mkdir("./160", 0777 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5005] close(3 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] <... close resumed>) = 0 [pid 5004] <... mkdir resumed>) = 0 [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7769 [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7770 ./strace-static-x86_64: Process 7770 attached [pid 7770] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7770] chdir("./160") = 0 [pid 7770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7770] setpgid(0, 0) = 0 [pid 7770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7769 attached [pid 7769] set_robust_list(0x5555568c85e0, 24 [pid 7770] <... openat resumed>) = 3 [pid 7769] <... set_robust_list resumed>) = 0 [pid 7770] write(3, "1000", 4 [pid 7769] chdir("./161" [pid 7770] <... write resumed>) = 4 [pid 7769] <... chdir resumed>) = 0 [pid 7770] close(3 [pid 7769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7770] <... close resumed>) = 0 [pid 7769] <... prctl resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 7770] symlink("/dev/binderfs", "./binderfs" [pid 7769] setpgid(0, 0 [pid 7770] <... symlink resumed>) = 0 [pid 7769] <... setpgid resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7771 [pid 7770] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7770] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7771 attached [pid 7770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7769] <... openat resumed>) = 3 [pid 7770] <... mmap resumed>) = 0x7fe58845a000 [pid 7769] write(3, "1000", 4 [pid 7771] set_robust_list(0x5555568c85e0, 24 [pid 7770] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7769] <... write resumed>) = 4 [pid 7771] <... set_robust_list resumed>) = 0 [pid 7770] <... mprotect resumed>) = 0 [pid 7769] close(3 [pid 7771] chdir("./162" [pid 7770] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7769] <... close resumed>) = 0 [pid 7769] symlink("/dev/binderfs", "./binderfs" [pid 7771] <... chdir resumed>) = 0 [pid 7770] <... clone resumed>, parent_tid=[7772], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7772 [pid 7769] <... symlink resumed>) = 0 [pid 7771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7770] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7769] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] <... prctl resumed>) = 0 [pid 7770] <... futex resumed>) = 0 [pid 7769] <... futex resumed>) = 0 [pid 7771] setpgid(0, 0 [pid 7770] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7771] <... setpgid resumed>) = 0 [pid 7769] <... mmap resumed>) = 0x7fe58845a000 [pid 7771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7769] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7771] <... openat resumed>) = 3 [pid 7769] <... mprotect resumed>) = 0 [pid 7771] write(3, "1000", 4 [pid 7769] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7772 attached [pid 7771] <... write resumed>) = 4 [pid 5008] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7772] set_robust_list(0x7fe58847a9e0, 24 [pid 7771] close(3 [pid 7769] <... clone resumed>, parent_tid=[7773], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7773 [pid 7772] <... set_robust_list resumed>) = 0 [pid 7771] <... close resumed>) = 0 [pid 7769] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7772] memfd_create("syzkaller", 0 [pid 7771] symlink("/dev/binderfs", "./binderfs" [pid 7769] <... futex resumed>) = 0 [pid 7772] <... memfd_create resumed>) = 3 [pid 7771] <... symlink resumed>) = 0 [pid 7769] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7772] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7771] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] lstat("./162/bus", [pid 7772] <... mmap resumed>) = 0x7fe58005a000 [pid 7771] <... futex resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7773 attached [pid 7771] <... mmap resumed>) = 0x7fe58845a000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7773] set_robust_list(0x7fe58847a9e0, 24 [pid 7771] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] openat(AT_FDCWD, "./162/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7773] <... set_robust_list resumed>) = 0 [pid 7771] <... mprotect resumed>) = 0 [pid 7773] memfd_create("syzkaller", 0 [pid 7771] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... openat resumed>) = 4 [pid 7773] <... memfd_create resumed>) = 3 [pid 5008] fstat(4, [pid 7771] <... clone resumed>, parent_tid=[7774], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7774 [pid 7771] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7771] <... futex resumed>) = 0 [pid 7773] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7771] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] getdents64(4, [pid 7773] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./162/bus") = 0 [pid 5008] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./162/binderfs", ./strace-static-x86_64: Process 7774 attached [pid 7774] set_robust_list(0x7fe58847a9e0, 24 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7774] <... set_robust_list resumed>) = 0 [pid 5008] unlink("./162/binderfs" [pid 7774] memfd_create("syzkaller", 0 [pid 5008] <... unlink resumed>) = 0 [pid 7774] <... memfd_create resumed>) = 3 [pid 5008] getdents64(3, [pid 7774] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7774] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] close(3 [pid 7772] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./162") = 0 [pid 5008] mkdir("./163", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7775 ./strace-static-x86_64: Process 7775 attached [pid 7775] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7775] chdir("./163") = 0 [pid 7775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7775] setpgid(0, 0) = 0 [pid 7775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7775] write(3, "1000", 4) = 4 [pid 7775] close(3) = 0 [pid 7775] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7774] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7775] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7775] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7775] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7776], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7776 [pid 7775] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7775] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7776 attached [pid 7773] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7776] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7776] memfd_create("syzkaller", 0) = 3 [pid 7776] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7772] <... write resumed>) = 4194304 [pid 7772] munmap(0x7fe58005a000, 4194304) = 0 [pid 7772] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7772] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7772] close(3) = 0 [pid 7772] mkdir("./bus", 0777) = 0 [pid 7772] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7774] <... write resumed>) = 4194304 [pid 7774] munmap(0x7fe58005a000, 4194304) = 0 [pid 7774] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 227.550138][ T7772] loop1: detected capacity change from 0 to 8192 [ 227.585053][ T7772] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7774] ioctl(4, LOOP_SET_FD, 3 [pid 7776] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7773] <... write resumed>) = 4194304 [pid 7774] <... ioctl resumed>) = 0 [pid 7774] close(3) = 0 [pid 7774] mkdir("./bus", 0777) = 0 [pid 7774] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7773] munmap(0x7fe58005a000, 4194304) = 0 [pid 7773] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 227.604625][ T7774] loop2: detected capacity change from 0 to 8192 [ 227.610444][ T7772] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 227.636585][ T7773] loop4: detected capacity change from 0 to 8192 [pid 7773] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7776] <... write resumed>) = 4194304 [pid 7773] close(3 [pid 7776] munmap(0x7fe58005a000, 4194304 [pid 7773] <... close resumed>) = 0 [pid 7773] mkdir("./bus", 0777 [pid 7776] <... munmap resumed>) = 0 [pid 7773] <... mkdir resumed>) = 0 [ 227.643157][ T7774] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 227.651288][ T7772] REISERFS (device loop1): using ordered data mode [ 227.657461][ T7774] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 227.668938][ T7772] reiserfs: using flush barriers [ 227.673653][ T7774] REISERFS (device loop2): using ordered data mode [ 227.684442][ T7774] reiserfs: using flush barriers [pid 7776] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7773] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7776] <... openat resumed>) = 4 [pid 7776] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7776] close(3) = 0 [pid 7776] mkdir("./bus", 0777) = 0 [ 227.689601][ T7772] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 227.691860][ T7774] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 227.706504][ T7772] REISERFS (device loop1): checking transaction log (loop1) [ 227.730655][ T7776] loop5: detected capacity change from 0 to 8192 [ 227.731804][ T7774] REISERFS (device loop2): checking transaction log (loop2) [ 227.737835][ T7773] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 227.758946][ T7776] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 227.759935][ T7772] REISERFS (device loop1): Using r5 hash to sort names [ 227.772493][ T7776] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 227.779959][ T7772] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.801291][ T7774] REISERFS (device loop2): Using r5 hash to sort names [ 227.801976][ T7773] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 227.808349][ T7774] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.817565][ T7776] REISERFS (device loop5): using ordered data mode [ 227.831284][ T7773] REISERFS (device loop4): using ordered data mode [ 227.836657][ T7776] reiserfs: using flush barriers [pid 7776] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7772] <... mount resumed>) = 0 [pid 7772] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7772] chdir("./bus") = 0 [pid 7772] ioctl(4, LOOP_CLR_FD) = 0 [pid 7772] close(4) = 0 [ 227.843841][ T7772] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 227.849111][ T7776] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 227.857754][ T7773] reiserfs: using flush barriers [ 227.873540][ T7776] REISERFS (device loop5): checking transaction log (loop5) [ 227.878843][ T7774] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 227.886274][ T7776] REISERFS (device loop5): Using r5 hash to sort names [pid 7772] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7772] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7770] <... futex resumed>) = 0 [pid 7770] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7772] <... futex resumed>) = 0 [pid 7772] mkdir("./file1", 000) = 0 [pid 7772] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7772] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7776] <... mount resumed>) = 0 [pid 7770] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7776] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7776] chdir("./bus") = 0 [pid 7776] ioctl(4, LOOP_CLR_FD) = 0 [pid 7776] close(4) = 0 [pid 7776] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7775] <... futex resumed>) = 0 [pid 7770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7774] <... mount resumed>) = 0 [pid 7776] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7775] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7776] mkdir("./file1", 000) = 0 [pid 7776] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 227.901791][ T7776] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.914897][ T7776] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 227.925768][ T7773] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 227.942644][ T7773] REISERFS (device loop4): checking transaction log (loop4) [pid 7776] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7770] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7775] <... futex resumed>) = 1 [pid 7774] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7770] <... futex resumed>) = 1 [pid 7775] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7774] <... openat resumed>) = 3 [pid 7770] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7774] chdir("./bus" [pid 7776] <... futex resumed>) = 0 [pid 7772] <... futex resumed>) = 0 [pid 7776] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7772] mkdir("./bus", 000) = 0 [pid 7772] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7772] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7775] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7774] <... chdir resumed>) = 0 [pid 7770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7776] <... futex resumed>) = 0 [pid 7775] <... futex resumed>) = 1 [pid 7774] ioctl(4, LOOP_CLR_FD [pid 7770] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7773] <... mount resumed>) = 0 [pid 7775] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7774] <... ioctl resumed>) = 0 [pid 7770] <... futex resumed>) = 1 [pid 7774] close(4 [pid 7773] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7770] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7774] <... close resumed>) = 0 [pid 7773] <... openat resumed>) = 3 [pid 7774] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7776] mkdir("./bus", 000 [pid 7774] <... futex resumed>) = 1 [pid 7773] chdir("./bus" [pid 7772] <... futex resumed>) = 0 [pid 7771] <... futex resumed>) = 0 [pid 7774] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7776] <... mkdir resumed>) = 0 [pid 7773] <... chdir resumed>) = 0 [pid 7772] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7771] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7776] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7773] ioctl(4, LOOP_CLR_FD) = 0 [pid 7773] close(4) = 0 [pid 7773] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7769] <... futex resumed>) = 0 [pid 7773] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7769] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7769] <... futex resumed>) = 0 [pid 7773] mkdir("./file1", 000 [pid 7769] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7773] <... mkdir resumed>) = 0 [pid 7773] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7769] <... futex resumed>) = 0 [pid 7773] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7769] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7769] <... futex resumed>) = 0 [pid 7773] mkdir("./bus", 000 [pid 7769] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7773] <... mkdir resumed>) = 0 [pid 7773] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7769] <... futex resumed>) = 0 [pid 7773] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7769] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7774] <... futex resumed>) = 0 [pid 7773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7771] <... futex resumed>) = 1 [pid 7769] <... futex resumed>) = 0 [pid 7774] mkdir("./file1", 000 [pid 7773] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7769] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7776] <... futex resumed>) = 1 [pid 7775] <... futex resumed>) = 0 [pid 7774] <... mkdir resumed>) = 0 [pid 7771] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7774] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7774] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 227.951511][ T7773] REISERFS (device loop4): Using r5 hash to sort names [ 227.959122][ T7773] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.972112][ T7773] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 227.986853][ T7772] overlayfs: upper fs needs to support d_type. [ 227.999162][ T7773] overlayfs: upper fs needs to support d_type. [pid 7775] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7776] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7775] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7771] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7774] <... futex resumed>) = 0 [pid 7771] <... futex resumed>) = 1 [pid 7774] mkdir("./bus", 000) = 0 [pid 7774] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7774] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7771] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7771] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7774] <... futex resumed>) = 0 [pid 7771] <... futex resumed>) = 1 [pid 7774] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7771] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7770] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7770] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7775] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7770] <... futex resumed>) = 0 [pid 7769] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7769] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7770] <... mmap resumed>) = 0x7fe580439000 [pid 7769] <... futex resumed>) = 0 [pid 7770] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7770] <... mprotect resumed>) = 0 [pid 7769] <... mmap resumed>) = 0x7fe580439000 [pid 7770] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7769] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7775] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7769] <... mprotect resumed>) = 0 [pid 7775] <... futex resumed>) = 0 [pid 7770] <... clone resumed>, parent_tid=[7781], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7781 [pid 7769] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7770] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7769] <... clone resumed>, parent_tid=[7782], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7782 [pid 7775] <... mmap resumed>) = 0x7fe580439000 [pid 7770] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7769] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7775] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7769] <... futex resumed>) = 0 [pid 7769] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7781 attached [pid 7775] <... mprotect resumed>) = 0 [pid 7781] set_robust_list(0x7fe5804599e0, 24 [pid 7775] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7781] <... set_robust_list resumed>) = 0 [pid 7781] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7775] <... clone resumed>, parent_tid=[7783], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7783 [pid 7775] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7775] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7781] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7783 attached ./strace-static-x86_64: Process 7782 attached [pid 7782] set_robust_list(0x7fe5804599e0, 24 [pid 7783] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7782] <... set_robust_list resumed>) = 0 [pid 7783] mkdir(".", 0777 [pid 7782] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7783] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7783] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 228.009118][ T7776] overlayfs: upper fs needs to support d_type. [ 228.011802][ T7773] overlayfs: upper fs does not support tmpfile. [ 228.024015][ T7774] overlayfs: upper fs needs to support d_type. [ 228.027607][ T7772] overlayfs: upper fs does not support tmpfile. [ 228.030193][ T7774] overlayfs: upper fs does not support tmpfile. [ 228.044005][ T7776] overlayfs: upper fs does not support tmpfile. [ 228.050899][ T7776] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7782] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7771] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7771] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7781] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7781] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7770] <... futex resumed>) = 0 [ 228.087699][ T7781] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 228.093375][ T7776] overlayfs: failed to resolve './file0': -2 [ 228.103743][ T7773] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 228.110626][ T7774] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 228.126490][ T7772] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7776] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7771] <... futex resumed>) = 0 [pid 7781] <... futex resumed>) = 1 [pid 7781] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7776] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7776] <... futex resumed>) = 0 [pid 7771] <... mmap resumed>) = 0x7fe580439000 [pid 7776] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7771] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7782] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7782] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7769] <... futex resumed>) = 0 [pid 7782] <... futex resumed>) = 1 [pid 7782] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7771] <... mprotect resumed>) = 0 [pid 7771] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7784 attached [pid 7783] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7774] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7772] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7784] set_robust_list(0x7fe5804599e0, 24 [pid 7783] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] <... clone resumed>, parent_tid=[7784], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7784 [pid 7784] <... set_robust_list resumed>) = 0 [pid 7783] <... futex resumed>) = 1 [pid 7775] <... futex resumed>) = 0 [pid 7774] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7773] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7773] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7775] exit_group(0 [pid 7771] <... futex resumed>) = 0 [pid 7784] mkdir(".", 0777 [pid 7783] mkdir(".", 0777 [pid 7771] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7776] <... futex resumed>) = ? [pid 7775] <... exit_group resumed>) = ? [pid 7774] <... futex resumed>) = 0 [pid 7772] <... futex resumed>) = 0 [pid 7770] exit_group(0 [pid 7769] exit_group(0 [pid 7781] <... futex resumed>) = ? [pid 7770] <... exit_group resumed>) = ? [pid 7769] <... exit_group resumed>) = ? [pid 7784] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7783] +++ exited with 0 +++ [pid 7782] <... futex resumed>) = ? [pid 7776] +++ exited with 0 +++ [pid 7774] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7773] <... futex resumed>) = ? [pid 7784] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7782] +++ exited with 0 +++ [pid 7772] +++ exited with 0 +++ [pid 7781] +++ exited with 0 +++ [pid 7775] +++ exited with 0 +++ [pid 7773] +++ exited with 0 +++ [pid 7770] +++ exited with 0 +++ [pid 7769] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7775, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7769, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7770, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5008] <... restart_syscall resumed>) = 0 [pid 5007] <... restart_syscall resumed>) = 0 [ 228.128351][ T7782] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 228.136814][ T7772] overlayfs: failed to resolve './file0': -2 [ 228.150795][ T7773] overlayfs: failed to resolve './file0': -2 [ 228.157377][ T7774] overlayfs: failed to resolve './file0': -2 [ 228.167470][ T7783] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7784] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7784] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7771] <... futex resumed>) = 0 [pid 7784] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7771] exit_group(0 [pid 7784] <... futex resumed>) = ? [pid 7774] <... futex resumed>) = ? [pid 7771] <... exit_group resumed>) = ? [pid 7784] +++ exited with 0 +++ [pid 7774] +++ exited with 0 +++ [pid 7771] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7771, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 228.201502][ T7784] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5005] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./162/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5005] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./162/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] lstat("./163/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5008] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(4, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./163/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(4, [pid 5008] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] lstat("./161/bus", [pid 5005] getdents64(4, [pid 5008] getdents64(4, [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] close(4 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... close resumed>) = 0 [pid 5008] close(4 [pid 5005] rmdir("./162/bus" [pid 5008] <... close resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5008] rmdir("./163/bus" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... rmdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./161/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] lstat("./162/binderfs", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] lstat("./163/binderfs", [pid 5005] unlink("./162/binderfs" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... openat resumed>) = 4 [pid 5005] <... unlink resumed>) = 0 [pid 5008] unlink("./163/binderfs" [pid 5007] fstat(4, [pid 5005] getdents64(3, [pid 5008] <... unlink resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(3, [pid 5007] getdents64(4, [pid 5005] close(3 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] <... close resumed>) = 0 [pid 5008] close(3 [pid 5007] getdents64(4, [pid 5005] rmdir("./162" [pid 5008] <... close resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5008] rmdir("./163" [pid 5007] close(4 [pid 5005] mkdir("./163", 0777 [pid 5004] <... umount2 resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5008] mkdir("./164", 0777 [pid 5007] rmdir("./161/bus" [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] <... mkdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5004] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5007] <... rmdir resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5007] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5008] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./160/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./160/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./160/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./160/bus") = 0 [pid 5004] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./160/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./160") = 0 [pid 5004] mkdir("./161", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... close resumed>) = 0 [pid 5007] lstat("./161/binderfs", [pid 5005] <... close resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7786 [pid 5007] unlink("./161/binderfs" [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7785 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7787 ./strace-static-x86_64: Process 7785 attached [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, [pid 7785] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7785] chdir("./164" [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./161" [pid 7785] <... chdir resumed>) = 0 [pid 7785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 7785] setpgid(0, 0 [pid 5007] mkdir("./162", 0777 [pid 7785] <... setpgid resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 7786 attached ) = 3 [pid 7786] set_robust_list(0x5555568c85e0, 24 [pid 7785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] ioctl(3, LOOP_CLR_FD [pid 7786] <... set_robust_list resumed>) = 0 [pid 7785] <... openat resumed>) = 3 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 7787 attached [pid 7786] chdir("./161" [pid 7785] write(3, "1000", 4 [pid 7786] <... chdir resumed>) = 0 [pid 7785] <... write resumed>) = 4 [pid 5007] close(3 [pid 7787] set_robust_list(0x5555568c85e0, 24 [pid 7786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7785] close(3 [pid 7786] <... prctl resumed>) = 0 [pid 7785] <... close resumed>) = 0 [pid 7786] setpgid(0, 0 [pid 7785] symlink("/dev/binderfs", "./binderfs" [pid 7787] <... set_robust_list resumed>) = 0 [pid 7786] <... setpgid resumed>) = 0 [pid 7785] <... symlink resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 7787] chdir("./163" [pid 7786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7785] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7786] <... openat resumed>) = 3 [pid 7785] <... futex resumed>) = 0 [pid 7786] write(3, "1000", 4 [pid 7785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7786] <... write resumed>) = 4 [pid 7785] <... mmap resumed>) = 0x7fe58845a000 [pid 7786] close(3 [pid 7785] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7787] <... chdir resumed>) = 0 [pid 7786] <... close resumed>) = 0 [pid 7785] <... mprotect resumed>) = 0 [pid 7787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7786] symlink("/dev/binderfs", "./binderfs" [pid 7785] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7788 [pid 7787] <... prctl resumed>) = 0 [pid 7786] <... symlink resumed>) = 0 [pid 7787] setpgid(0, 0 [pid 7786] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7785] <... clone resumed>, parent_tid=[7789], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7789 [pid 7787] <... setpgid resumed>) = 0 [pid 7786] <... futex resumed>) = 0 [pid 7785] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7788 attached [pid 7787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7785] <... futex resumed>) = 0 [pid 7788] set_robust_list(0x5555568c85e0, 24 [pid 7787] <... openat resumed>) = 3 [pid 7786] <... mmap resumed>) = 0x7fe58845a000 [pid 7785] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7788] <... set_robust_list resumed>) = 0 [pid 7787] write(3, "1000", 4 [pid 7786] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7788] chdir("./162" [pid 7787] <... write resumed>) = 4 [pid 7786] <... mprotect resumed>) = 0 [pid 7788] <... chdir resumed>) = 0 [pid 7787] close(3 [pid 7786] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7787] <... close resumed>) = 0 [pid 7788] <... prctl resumed>) = 0 [pid 7787] symlink("/dev/binderfs", "./binderfs" [pid 7786] <... clone resumed>, parent_tid=[7790], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7790 [pid 7788] setpgid(0, 0 [pid 7787] <... symlink resumed>) = 0 [pid 7786] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7788] <... setpgid resumed>) = 0 [pid 7787] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7786] <... futex resumed>) = 0 [pid 7788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7787] <... futex resumed>) = 0 [pid 7786] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7788] <... openat resumed>) = 3 [pid 7787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7788] write(3, "1000", 4 [pid 7787] <... mmap resumed>) = 0x7fe58845a000 [pid 7788] <... write resumed>) = 4 [pid 7787] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7788] close(3) = 0 [pid 7788] symlink("/dev/binderfs", "./binderfs" [pid 7787] <... mprotect resumed>) = 0 [pid 7788] <... symlink resumed>) = 0 [pid 7788] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7787] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 7790 attached [pid 7788] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7789 attached [pid 7790] set_robust_list(0x7fe58847a9e0, 24 [pid 7788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7790] <... set_robust_list resumed>) = 0 [pid 7789] set_robust_list(0x7fe58847a9e0, 24 [pid 7788] <... mmap resumed>) = 0x7fe58845a000 [pid 7787] <... clone resumed>, parent_tid=[7791], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7791 [pid 7790] memfd_create("syzkaller", 0 [pid 7789] <... set_robust_list resumed>) = 0 [pid 7788] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7787] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] <... memfd_create resumed>) = 3 [pid 7788] <... mprotect resumed>) = 0 [pid 7787] <... futex resumed>) = 0 [pid 7790] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7789] memfd_create("syzkaller", 0 [pid 7788] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7787] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7791 attached [pid 7790] <... mmap resumed>) = 0x7fe58005a000 [pid 7789] <... memfd_create resumed>) = 3 [pid 7791] set_robust_list(0x7fe58847a9e0, 24 [pid 7789] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7788] <... clone resumed>, parent_tid=[7792], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7792 [pid 7788] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7788] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7792 attached [pid 7792] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7792] memfd_create("syzkaller", 0) = 3 [pid 7792] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7789] <... mmap resumed>) = 0x7fe58005a000 [pid 7791] <... set_robust_list resumed>) = 0 [pid 7791] memfd_create("syzkaller", 0) = 3 [pid 7791] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7790] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7792] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7789] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7791] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7789] <... write resumed>) = 4194304 [pid 7789] munmap(0x7fe58005a000, 4194304) = 0 [pid 7790] <... write resumed>) = 4194304 [pid 7789] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7790] munmap(0x7fe58005a000, 4194304 [pid 7789] <... openat resumed>) = 4 [pid 7789] ioctl(4, LOOP_SET_FD, 3 [pid 7790] <... munmap resumed>) = 0 [pid 7790] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7790] ioctl(4, LOOP_SET_FD, 3 [pid 7792] <... write resumed>) = 4194304 [pid 7791] <... write resumed>) = 4194304 [pid 7789] <... ioctl resumed>) = 0 [pid 7791] munmap(0x7fe58005a000, 4194304 [pid 7789] close(3 [pid 7792] munmap(0x7fe58005a000, 4194304 [pid 7791] <... munmap resumed>) = 0 [pid 7790] <... ioctl resumed>) = 0 [pid 7790] close(3) = 0 [pid 7791] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7790] mkdir("./bus", 0777 [pid 7789] <... close resumed>) = 0 [pid 7791] <... openat resumed>) = 4 [pid 7789] mkdir("./bus", 0777 [pid 7792] <... munmap resumed>) = 0 [pid 7791] ioctl(4, LOOP_SET_FD, 3 [pid 7792] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7792] ioctl(4, LOOP_SET_FD, 3 [pid 7791] <... ioctl resumed>) = 0 [pid 7790] <... mkdir resumed>) = 0 [pid 7789] <... mkdir resumed>) = 0 [pid 7789] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7790] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7791] close(3) = 0 [pid 7792] <... ioctl resumed>) = 0 [pid 7791] mkdir("./bus", 0777 [pid 7792] close(3) = 0 [pid 7792] mkdir("./bus", 0777) = 0 [pid 7792] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7791] <... mkdir resumed>) = 0 [ 228.605605][ T7789] loop5: detected capacity change from 0 to 8192 [ 228.611051][ T7790] loop1: detected capacity change from 0 to 8192 [ 228.624059][ T7791] loop2: detected capacity change from 0 to 8192 [ 228.624706][ T7792] loop4: detected capacity change from 0 to 8192 [ 228.640059][ T7789] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.643684][ T7790] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.653915][ T7789] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 228.667205][ T7791] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.675808][ T7789] REISERFS (device loop5): using ordered data mode [ 228.688383][ T7792] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.695081][ T7789] reiserfs: using flush barriers [ 228.708109][ T7790] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 228.713777][ T7791] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 228.722737][ T7792] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 228.732117][ T7791] REISERFS (device loop2): using ordered data mode [ 228.747853][ T7791] reiserfs: using flush barriers [ 228.753773][ T7789] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 228.754193][ T7790] REISERFS (device loop1): using ordered data mode [ 228.776692][ T7791] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 228.793682][ T7790] reiserfs: using flush barriers [ 228.794103][ T7792] REISERFS (device loop4): using ordered data mode [ 228.799922][ T7791] REISERFS (device loop2): checking transaction log (loop2) [ 228.807030][ T7790] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 228.813019][ T7789] REISERFS (device loop5): checking transaction log (loop5) [ 228.830169][ T7792] reiserfs: using flush barriers [ 228.836773][ T7791] REISERFS (device loop2): Using r5 hash to sort names [ 228.844666][ T7792] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 228.848479][ T7789] REISERFS (device loop5): Using r5 hash to sort names [ 228.865839][ T7790] REISERFS (device loop1): checking transaction log (loop1) [ 228.871042][ T7791] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.880277][ T7790] REISERFS (device loop1): Using r5 hash to sort names [ 228.890962][ T7789] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.899443][ T7792] REISERFS (device loop4): checking transaction log (loop4) [ 228.910406][ T7791] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 228.919223][ T7790] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.926780][ T7789] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7791] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "") = 0 [pid 7789] <... mount resumed>) = 0 [pid 7791] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7790] <... mount resumed>) = 0 [pid 7791] <... openat resumed>) = 3 [pid 7789] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7789] chdir("./bus") = 0 [pid 7789] ioctl(4, LOOP_CLR_FD) = 0 [pid 7789] close(4 [pid 7791] chdir("./bus" [pid 7790] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7789] <... close resumed>) = 0 [pid 7789] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7789] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7791] <... chdir resumed>) = 0 [pid 7785] <... futex resumed>) = 0 [pid 7791] ioctl(4, LOOP_CLR_FD [pid 7790] <... openat resumed>) = 3 [pid 7791] <... ioctl resumed>) = 0 [pid 7790] chdir("./bus" [pid 7785] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7791] close(4 [pid 7790] <... chdir resumed>) = 0 [pid 7789] <... futex resumed>) = 0 [pid 7785] <... futex resumed>) = 1 [pid 7791] <... close resumed>) = 0 [pid 7790] ioctl(4, LOOP_CLR_FD [pid 7789] mkdir("./file1", 000 [pid 7785] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7791] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] <... ioctl resumed>) = 0 [pid 7789] <... mkdir resumed>) = 0 [pid 7791] <... futex resumed>) = 1 [pid 7790] close(4 [pid 7789] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7787] <... futex resumed>) = 0 [pid 7791] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7790] <... close resumed>) = 0 [pid 7789] <... futex resumed>) = 1 [pid 7787] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7785] <... futex resumed>) = 0 [pid 7791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7790] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7789] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7787] <... futex resumed>) = 0 [pid 7785] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7791] mkdir("./file1", 000 [pid 7790] <... futex resumed>) = 1 [pid 7789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7787] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7786] <... futex resumed>) = 0 [pid 7785] <... futex resumed>) = 0 [pid 7791] <... mkdir resumed>) = 0 [pid 7790] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7789] mkdir("./bus", 000 [pid 7786] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7785] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7792] <... mount resumed>) = 0 [pid 7791] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7789] <... mkdir resumed>) = 0 [pid 7786] <... futex resumed>) = 0 [pid 7792] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7791] <... futex resumed>) = 1 [pid 7790] mkdir("./file1", 000 [pid 7789] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7787] <... futex resumed>) = 0 [pid 7786] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7791] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7790] <... mkdir resumed>) = 0 [pid 7789] <... futex resumed>) = 1 [pid 7787] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7785] <... futex resumed>) = 0 [pid 7791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7790] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7789] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7787] <... futex resumed>) = 0 [pid 7785] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7791] mkdir("./bus", 000 [pid 7790] <... futex resumed>) = 1 [pid 7789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7787] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7786] <... futex resumed>) = 0 [pid 7785] <... futex resumed>) = 0 [ 228.940836][ T7790] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 228.959621][ T7792] REISERFS (device loop4): Using r5 hash to sort names [ 228.967292][ T7792] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.980845][ T7792] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7792] <... openat resumed>) = 3 [pid 7791] <... mkdir resumed>) = 0 [pid 7790] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7789] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7786] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7785] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7792] chdir("./bus" [pid 7791] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7786] <... futex resumed>) = 0 [pid 7792] <... chdir resumed>) = 0 [pid 7791] <... futex resumed>) = 1 [pid 7790] mkdir("./bus", 000 [pid 7787] <... futex resumed>) = 0 [pid 7786] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7792] ioctl(4, LOOP_CLR_FD [pid 7791] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7790] <... mkdir resumed>) = 0 [pid 7787] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7792] <... ioctl resumed>) = 0 [pid 7791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7790] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7787] <... futex resumed>) = 0 [pid 7792] close(4 [pid 7791] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7790] <... futex resumed>) = 1 [pid 7787] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7786] <... futex resumed>) = 0 [pid 7790] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7786] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7792] <... close resumed>) = 0 [pid 7790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7786] <... futex resumed>) = 0 [pid 7792] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7786] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7792] <... futex resumed>) = 1 [pid 7788] <... futex resumed>) = 0 [ 229.015792][ T7789] overlayfs: upper fs needs to support d_type. [ 229.024588][ T7789] overlayfs: upper fs does not support tmpfile. [ 229.036804][ T7791] overlayfs: upper fs needs to support d_type. [ 229.038357][ T7789] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 229.053068][ T7790] overlayfs: upper fs needs to support d_type. [ 229.055277][ T7789] overlayfs: failed to resolve './file0': -2 [pid 7788] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7792] mkdir("./file1", 000 [pid 7788] <... futex resumed>) = 0 [pid 7785] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7792] <... mkdir resumed>) = 0 [pid 7788] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7785] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7792] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7785] <... futex resumed>) = 0 [pid 7792] <... futex resumed>) = 0 [pid 7788] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7792] mkdir("./bus", 000 [pid 7788] <... futex resumed>) = 0 [pid 7792] <... mkdir resumed>) = 0 [pid 7789] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7788] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7785] <... mmap resumed>) = 0x7fe580439000 [pid 7792] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7785] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7792] <... futex resumed>) = 0 [pid 7788] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7792] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7789] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7788] <... futex resumed>) = 0 [pid 7785] <... mprotect resumed>) = 0 [pid 7789] <... futex resumed>) = 0 [pid 7789] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7788] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7785] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7787] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7787] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7785] <... clone resumed>, parent_tid=[7797], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7797 [pid 7787] <... futex resumed>) = 0 [pid 7786] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7785] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7797 attached [pid 7787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7786] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7797] set_robust_list(0x7fe5804599e0, 24 [pid 7787] <... mmap resumed>) = 0x7fe580439000 [pid 7786] <... futex resumed>) = 0 [pid 7785] <... futex resumed>) = 0 [pid 7797] <... set_robust_list resumed>) = 0 [pid 7787] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 229.059374][ T7790] overlayfs: upper fs does not support tmpfile. [ 229.067419][ T7791] overlayfs: upper fs does not support tmpfile. [ 229.086452][ T7792] overlayfs: upper fs needs to support d_type. [ 229.088121][ T7791] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 229.100424][ T7792] overlayfs: upper fs does not support tmpfile. [ 229.108464][ T7790] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7785] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7797] mkdir(".", 0777 [pid 7787] <... mprotect resumed>) = 0 [pid 7786] <... mmap resumed>) = 0x7fe580439000 [pid 7797] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7797] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7787] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7786] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7787] <... clone resumed>, parent_tid=[7798], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7798 [pid 7787] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7786] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7787] <... futex resumed>) = 0 [pid 7787] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7786] <... clone resumed>, parent_tid=[7799], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7799 ./strace-static-x86_64: Process 7799 attached [pid 7799] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7799] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7788] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7786] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7799] <... futex resumed>) = 0 [pid 7788] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7786] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7798 attached [pid 7799] mkdir(".", 0777 [pid 7788] <... futex resumed>) = 0 [ 229.123470][ T7792] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 229.138934][ T7797] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 229.149485][ T7791] overlayfs: failed to resolve './file0': -2 [ 229.154590][ T7792] overlayfs: failed to resolve './file0': -2 [pid 7786] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7799] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7798] set_robust_list(0x7fe5804599e0, 24 [pid 7788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 229.170778][ T7790] overlayfs: failed to resolve './file0': -2 [pid 7799] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7798] <... set_robust_list resumed>) = 0 [pid 7798] mkdir(".", 0777 [pid 7797] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7788] <... mmap resumed>) = 0x7fe580439000 [pid 7798] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7797] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7788] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7798] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7797] <... futex resumed>) = 1 [pid 7788] <... mprotect resumed>) = 0 [pid 7785] <... futex resumed>) = 0 [pid 7797] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7788] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7785] exit_group(0 [pid 7797] <... futex resumed>) = ? [pid 7785] <... exit_group resumed>) = ? [pid 7797] +++ exited with 0 +++ [pid 7789] <... futex resumed>) = ? [pid 7788] <... clone resumed>, parent_tid=[7800], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7800 [pid 7788] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7788] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7789] +++ exited with 0 +++ [pid 7785] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7785, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=26 /* 0.26 s */} --- [pid 5008] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7792] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7791] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7790] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7792] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7791] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7792] <... futex resumed>) = 0 [pid 7791] <... futex resumed>) = 0 [pid 7790] <... futex resumed>) = 0 [pid 7792] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7791] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7790] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7800 attached [pid 7800] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7800] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7800] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7799] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7798] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7799] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7786] <... futex resumed>) = 0 [pid 7786] exit_group(0 [pid 7790] <... futex resumed>) = ? [pid 7786] <... exit_group resumed>) = ? [pid 7790] +++ exited with 0 +++ [pid 7799] <... futex resumed>) = ? [pid 7799] +++ exited with 0 +++ [pid 7786] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7786, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=28 /* 0.28 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, [pid 7798] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7798] <... futex resumed>) = 1 [pid 7787] <... futex resumed>) = 0 [pid 7800] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7798] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7787] exit_group(0 [pid 7791] <... futex resumed>) = ? [pid 7787] <... exit_group resumed>) = ? [pid 7798] <... futex resumed>) = ? [pid 7791] +++ exited with 0 +++ [pid 7798] +++ exited with 0 +++ [pid 7800] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7800] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7787] +++ exited with 0 +++ [pid 7788] <... futex resumed>) = 0 [pid 7788] exit_group(0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7787, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7792] <... futex resumed>) = ? [pid 7788] <... exit_group resumed>) = ? [pid 7792] +++ exited with 0 +++ [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7800] <... futex resumed>) = ? [pid 5005] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7800] +++ exited with 0 +++ [pid 7788] +++ exited with 0 +++ [pid 5005] getdents64(3, [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7788, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 229.200435][ T7798] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 229.214927][ T7799] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 229.219335][ T7800] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5004] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./161/bus", [pid 5008] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] lstat("./164/bus", [pid 5004] umount2("./161/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] openat(AT_FDCWD, "./161/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./164/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... openat resumed>) = 4 [pid 5008] <... openat resumed>) = 4 [pid 5004] fstat(4, [pid 5008] fstat(4, [pid 5007] <... umount2 resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(4, [pid 5008] getdents64(4, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] lstat("./162/bus", [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(4 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... close resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./162/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] rmdir("./164/bus" [pid 5004] close(4 [pid 5007] <... openat resumed>) = 4 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] fstat(4, [pid 5004] <... close resumed>) = 0 [pid 5008] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] rmdir("./161/bus" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(4, [pid 5004] <... rmdir resumed>) = 0 [pid 5008] lstat("./164/binderfs", [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] getdents64(4, [pid 5008] unlink("./164/binderfs" [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... unlink resumed>) = 0 [pid 5007] close(4 [pid 5004] lstat("./161/binderfs", [pid 5008] getdents64(3, [pid 5007] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] rmdir("./162/bus" [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] close(3 [pid 5007] <... rmdir resumed>) = 0 [pid 5004] unlink("./161/binderfs" [pid 5008] <... close resumed>) = 0 [pid 5007] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] rmdir("./164" [pid 5004] <... unlink resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... rmdir resumed>) = 0 [pid 5004] getdents64(3, [pid 5008] mkdir("./165", 0777 [pid 5007] lstat("./162/binderfs", [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] close(3 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5007] unlink("./162/binderfs" [pid 5004] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5004] rmdir("./161" [pid 5007] <... unlink resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5007] getdents64(3, [pid 5004] mkdir("./162", 0777 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... mkdir resumed>) = 0 [pid 5008] close(3 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... close resumed>) = 0 [pid 5007] close(3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7801 [pid 5007] rmdir("./162" [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] <... rmdir resumed>) = 0 [pid 5004] close(3 [pid 5007] mkdir("./163", 0777 [pid 5004] <... close resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7802 [pid 5007] <... openat resumed>) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7803 ./strace-static-x86_64: Process 7801 attached [pid 7801] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7801] chdir("./165") = 0 [pid 7801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7801] setpgid(0, 0) = 0 [pid 7801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... umount2 resumed>) = 0 [pid 7801] <... openat resumed>) = 3 [pid 7801] write(3, "1000", 4) = 4 [pid 7801] close(3) = 0 [pid 7801] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7802 attached ) = 0 [pid 7802] set_robust_list(0x5555568c85e0, 24./strace-static-x86_64: Process 7803 attached ) = 0 [pid 7803] set_robust_list(0x5555568c85e0, 24 [pid 7802] chdir("./162" [pid 7801] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5005] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7802] <... chdir resumed>) = 0 [pid 7803] <... set_robust_list resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7803] chdir("./163") = 0 [pid 7802] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7801] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] lstat("./163/bus", [pid 7803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7802] <... prctl resumed>) = 0 [pid 7801] <... mprotect resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7803] <... prctl resumed>) = 0 [pid 7802] setpgid(0, 0 [pid 7801] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7803] setpgid(0, 0 [pid 7802] <... setpgid resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7803] <... setpgid resumed>) = 0 [pid 7802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7801] <... clone resumed>, parent_tid=[7804], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7804 [pid 5005] openat(AT_FDCWD, "./163/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7802] <... openat resumed>) = 3 [pid 7801] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... openat resumed>) = 4 [pid 7803] <... openat resumed>) = 3 [pid 7802] write(3, "1000", 4 [pid 7801] <... futex resumed>) = 0 [pid 5005] fstat(4, [pid 7803] write(3, "1000", 4 [pid 7802] <... write resumed>) = 4 [pid 7801] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7803] <... write resumed>) = 4 [pid 7802] close(3 [pid 5005] getdents64(4, [pid 7803] close(3 [pid 7802] <... close resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 7804 attached [pid 7803] <... close resumed>) = 0 [pid 7802] symlink("/dev/binderfs", "./binderfs" [pid 5005] getdents64(4, [pid 7804] set_robust_list(0x7fe58847a9e0, 24 [pid 7803] symlink("/dev/binderfs", "./binderfs" [pid 7802] <... symlink resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7804] <... set_robust_list resumed>) = 0 [pid 7803] <... symlink resumed>) = 0 [pid 7802] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] close(4 [pid 7804] memfd_create("syzkaller", 0 [pid 7803] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7802] <... futex resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 7804] <... memfd_create resumed>) = 3 [pid 7803] <... futex resumed>) = 0 [pid 7802] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] rmdir("./163/bus" [pid 7804] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7802] <... mmap resumed>) = 0x7fe58845a000 [pid 5005] <... rmdir resumed>) = 0 [pid 7804] <... mmap resumed>) = 0x7fe58005a000 [pid 7803] <... mmap resumed>) = 0x7fe58845a000 [pid 7802] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7803] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7802] <... mprotect resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7803] <... mprotect resumed>) = 0 [pid 7802] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] lstat("./163/binderfs", [pid 7803] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7802] <... clone resumed>, parent_tid=[7805], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7805 [pid 5005] unlink("./163/binderfs" [pid 7803] <... clone resumed>, parent_tid=[7806], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7806 [pid 7802] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... unlink resumed>) = 0 [pid 7803] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7802] <... futex resumed>) = 0 [pid 5005] getdents64(3, [pid 7803] <... futex resumed>) = 0 [pid 7802] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7806 attached [pid 7803] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7805 attached [pid 7806] set_robust_list(0x7fe58847a9e0, 24 [pid 5005] close(3 [pid 7806] <... set_robust_list resumed>) = 0 [pid 7805] set_robust_list(0x7fe58847a9e0, 24 [pid 5005] <... close resumed>) = 0 [pid 7806] memfd_create("syzkaller", 0 [pid 7805] <... set_robust_list resumed>) = 0 [pid 5005] rmdir("./163" [pid 7806] <... memfd_create resumed>) = 3 [pid 7805] memfd_create("syzkaller", 0 [pid 7806] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7805] <... memfd_create resumed>) = 3 [pid 5005] <... rmdir resumed>) = 0 [pid 7806] <... mmap resumed>) = 0x7fe58005a000 [pid 7805] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] mkdir("./164", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7805] <... mmap resumed>) = 0x7fe58005a000 [pid 5005] <... openat resumed>) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7807 ./strace-static-x86_64: Process 7807 attached [pid 7807] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7807] chdir("./164") = 0 [pid 7807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7804] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7807] <... prctl resumed>) = 0 [pid 7806] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7807] setpgid(0, 0) = 0 [pid 7807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7805] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7807] <... openat resumed>) = 3 [pid 7807] write(3, "1000", 4) = 4 [pid 7807] close(3) = 0 [pid 7807] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7807] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7807] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7807] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7808], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7808 [pid 7807] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7807] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7808 attached [pid 7808] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7808] memfd_create("syzkaller", 0) = 3 [pid 7808] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7804] <... write resumed>) = 4194304 [pid 7804] munmap(0x7fe58005a000, 4194304) = 0 [pid 7804] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7804] ioctl(4, LOOP_SET_FD, 3 [pid 7806] <... write resumed>) = 4194304 [pid 7806] munmap(0x7fe58005a000, 4194304 [pid 7805] <... write resumed>) = 4194304 [pid 7808] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7805] munmap(0x7fe58005a000, 4194304 [pid 7804] <... ioctl resumed>) = 0 [pid 7806] <... munmap resumed>) = 0 [pid 7805] <... munmap resumed>) = 0 [pid 7804] close(3 [pid 7805] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7804] <... close resumed>) = 0 [pid 7805] <... openat resumed>) = 4 [pid 7804] mkdir("./bus", 0777 [pid 7805] ioctl(4, LOOP_SET_FD, 3 [pid 7804] <... mkdir resumed>) = 0 [pid 7806] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7806] ioctl(4, LOOP_SET_FD, 3 [pid 7804] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7805] <... ioctl resumed>) = 0 [pid 7805] close(3) = 0 [pid 7805] mkdir("./bus", 0777) = 0 [pid 7805] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7806] <... ioctl resumed>) = 0 [pid 7806] close(3) = 0 [pid 7806] mkdir("./bus", 0777) = 0 [ 229.607396][ T7804] loop5: detected capacity change from 0 to 8192 [ 229.629494][ T7805] loop1: detected capacity change from 0 to 8192 [ 229.632683][ T7806] loop4: detected capacity change from 0 to 8192 [ 229.650119][ T7804] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 229.658929][ T7806] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 229.663201][ T7804] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 229.663277][ T7804] REISERFS (device loop5): using ordered data mode [ 229.692502][ T7805] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7806] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7808] <... write resumed>) = 4194304 [pid 7808] munmap(0x7fe58005a000, 4194304) = 0 [ 229.705521][ T7804] reiserfs: using flush barriers [ 229.711174][ T7805] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 229.720368][ T7805] REISERFS (device loop1): using ordered data mode [ 229.726953][ T7806] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 229.736639][ T7806] REISERFS (device loop4): using ordered data mode [pid 7808] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7808] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7808] close(3) = 0 [pid 7808] mkdir("./bus", 0777) = 0 [ 229.743240][ T7804] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 229.752261][ T7805] reiserfs: using flush barriers [ 229.759648][ T7804] REISERFS (device loop5): checking transaction log (loop5) [ 229.768083][ T7808] loop2: detected capacity change from 0 to 8192 [ 229.771771][ T7806] reiserfs: using flush barriers [ 229.782135][ T7804] REISERFS (device loop5): Using r5 hash to sort names [ 229.789825][ T7806] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 229.790742][ T7804] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 229.807540][ T7805] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 229.819278][ T7806] REISERFS (device loop4): checking transaction log (loop4) [ 229.842931][ T7804] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7808] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7804] <... mount resumed>) = 0 [pid 7804] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7804] chdir("./bus") = 0 [pid 7804] ioctl(4, LOOP_CLR_FD) = 0 [pid 7804] close(4) = 0 [ 229.842957][ T7808] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 229.852911][ T7805] REISERFS (device loop1): checking transaction log (loop1) [ 229.872366][ T7808] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 229.882681][ T7806] REISERFS (device loop4): Using r5 hash to sort names [ 229.883633][ T7805] REISERFS (device loop1): Using r5 hash to sort names [pid 7804] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7804] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7801] <... futex resumed>) = 0 [pid 7801] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7801] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7804] mkdir("./file1", 000 [pid 7805] <... mount resumed>) = 0 [pid 7804] <... mkdir resumed>) = 0 [ 229.889819][ T7806] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 229.896849][ T7808] REISERFS (device loop2): using ordered data mode [ 229.916585][ T7805] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 229.930045][ T7805] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 229.933449][ T7808] reiserfs: using flush barriers [ 229.940174][ T7806] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7806] <... mount resumed>) = 0 [pid 7805] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7804] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7805] <... openat resumed>) = 3 [pid 7804] <... futex resumed>) = 1 [pid 7805] chdir("./bus" [pid 7804] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7805] <... chdir resumed>) = 0 [pid 7805] ioctl(4, LOOP_CLR_FD) = 0 [pid 7805] close(4) = 0 [pid 7805] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7805] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7806] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7806] chdir("./bus") = 0 [pid 7806] ioctl(4, LOOP_CLR_FD) = 0 [pid 7806] close(4) = 0 [pid 7802] <... futex resumed>) = 0 [pid 7801] <... futex resumed>) = 0 [pid 7801] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7804] <... futex resumed>) = 0 [pid 7801] <... futex resumed>) = 1 [pid 7804] mkdir("./bus", 000 [pid 7801] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7804] <... mkdir resumed>) = 0 [pid 7804] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7801] <... futex resumed>) = 0 [pid 7804] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7802] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7801] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7805] <... futex resumed>) = 0 [pid 7804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7802] <... futex resumed>) = 1 [pid 7801] <... futex resumed>) = 0 [pid 7805] mkdir("./file1", 000 [pid 7804] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7801] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7805] <... mkdir resumed>) = 0 [pid 7806] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7805] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7806] <... futex resumed>) = 1 [pid 7805] <... futex resumed>) = 0 [pid 7802] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7803] <... futex resumed>) = 0 [pid 7806] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7805] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 229.946247][ T7808] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 229.969943][ T7808] REISERFS (device loop2): checking transaction log (loop2) [ 229.978292][ T7808] REISERFS (device loop2): Using r5 hash to sort names [ 229.985880][ T7804] overlayfs: upper fs needs to support d_type. [ 229.992948][ T7808] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7803] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7802] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7803] <... futex resumed>) = 1 [pid 7802] <... futex resumed>) = 1 [pid 7803] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7802] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7806] <... futex resumed>) = 0 [pid 7805] <... futex resumed>) = 0 [pid 7806] mkdir("./file1", 000 [pid 7805] mkdir("./bus", 000 [pid 7806] <... mkdir resumed>) = 0 [pid 7805] <... mkdir resumed>) = 0 [pid 7806] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7805] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7806] <... futex resumed>) = 1 [pid 7805] <... futex resumed>) = 1 [pid 7803] <... futex resumed>) = 0 [pid 7802] <... futex resumed>) = 0 [pid 7803] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7802] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7803] <... futex resumed>) = 0 [pid 7802] <... futex resumed>) = 0 [pid 7803] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7802] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7806] mkdir("./bus", 000 [ 229.995041][ T7804] overlayfs: upper fs does not support tmpfile. [ 230.024220][ T7805] overlayfs: upper fs needs to support d_type. [ 230.027158][ T7808] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 230.030412][ T7805] overlayfs: upper fs does not support tmpfile. [ 230.040448][ T7804] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7805] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7808] <... mount resumed>) = 0 [pid 7806] <... mkdir resumed>) = 0 [pid 7801] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7808] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7801] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] <... openat resumed>) = 3 [pid 7801] <... futex resumed>) = 0 [pid 7808] chdir("./bus" [pid 7801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7808] <... chdir resumed>) = 0 [pid 7801] <... mmap resumed>) = 0x7fe580439000 [pid 7808] ioctl(4, LOOP_CLR_FD [pid 7801] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7808] <... ioctl resumed>) = 0 [pid 7801] <... mprotect resumed>) = 0 [pid 7808] close(4 [pid 7801] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7808] <... close resumed>) = 0 [pid 7806] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7813 attached [pid 7808] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7806] <... futex resumed>) = 1 [pid 7803] <... futex resumed>) = 0 [pid 7802] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7801] <... clone resumed>, parent_tid=[7813], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7813 [pid 7808] <... futex resumed>) = 1 [pid 7807] <... futex resumed>) = 0 [pid 7803] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7802] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7801] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7807] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7803] <... futex resumed>) = 0 [pid 7802] <... futex resumed>) = 0 [pid 7801] <... futex resumed>) = 0 [pid 7813] set_robust_list(0x7fe5804599e0, 24 [pid 7808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7807] <... futex resumed>) = 0 [pid 7806] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7805] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7803] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7802] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7801] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7813] <... set_robust_list resumed>) = 0 [pid 7808] mkdir("./file1", 000 [pid 7807] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7802] <... mmap resumed>) = 0x7fe580439000 [pid 7808] <... mkdir resumed>) = 0 [pid 7802] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7808] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7802] <... mprotect resumed>) = 0 [pid 7808] <... futex resumed>) = 1 [pid 7807] <... futex resumed>) = 0 [pid 7802] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7808] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7807] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7807] <... futex resumed>) = 0 [pid 7802] <... clone resumed>, parent_tid=[7814], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7814 [pid 7808] mkdir("./bus", 000 [pid 7807] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7802] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] <... mkdir resumed>) = 0 [pid 7802] <... futex resumed>) = 0 [pid 7808] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7802] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7808] <... futex resumed>) = 1 [pid 7807] <... futex resumed>) = 0 [pid 7808] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7807] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7807] <... futex resumed>) = 0 [pid 7808] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7807] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7813] mkdir(".", 0777 [pid 7805] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7804] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 230.046177][ T7805] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 230.063632][ T7805] overlayfs: failed to resolve './file0': -2 [ 230.071300][ T7804] overlayfs: failed to resolve './file0': -2 [ 230.088142][ T7808] overlayfs: upper fs needs to support d_type. [ 230.095613][ T7806] overlayfs: upper fs needs to support d_type. [ 230.100163][ T7808] overlayfs: upper fs does not support tmpfile. [pid 7813] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7805] <... futex resumed>) = 0 [pid 7804] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7814 attached [pid 7814] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7814] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7814] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7813] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7805] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7804] <... futex resumed>) = 0 [pid 7804] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7803] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7803] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7803] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7803] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7815], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7815 [pid 7803] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7803] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7815 attached [pid 7813] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7807] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7806] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7807] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7807] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7807] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7816], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7816 [pid 7815] set_robust_list(0x7fe5804599e0, 24 [pid 7807] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7815] <... set_robust_list resumed>) = 0 [pid 7807] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7806] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7816 attached [pid 7816] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7816] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7816] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7815] mkdir(".", 0777 [pid 7806] <... futex resumed>) = 0 [pid 7813] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7815] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7806] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7815] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7813] <... futex resumed>) = 1 [pid 7801] <... futex resumed>) = 0 [pid 7801] exit_group(0 [pid 7804] <... futex resumed>) = ? [pid 7801] <... exit_group resumed>) = ? [ 230.107301][ T7806] overlayfs: upper fs does not support tmpfile. [ 230.118989][ T7806] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 230.122595][ T7813] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 230.127401][ T7806] overlayfs: failed to resolve './file0': -2 [ 230.145040][ T7808] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7813] +++ exited with 0 +++ [pid 7804] +++ exited with 0 +++ [pid 7801] +++ exited with 0 +++ [pid 7814] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7814] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7802] <... futex resumed>) = 0 [pid 7802] exit_group(0) = ? [pid 7814] <... futex resumed>) = ? [pid 7814] +++ exited with 0 +++ [pid 7815] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7815] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7803] <... futex resumed>) = 0 [pid 7803] exit_group(0) = ? [pid 7815] <... futex resumed>) = ? [pid 7815] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7801, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7805] <... futex resumed>) = ? [pid 7806] <... futex resumed>) = ? [pid 7805] +++ exited with 0 +++ [pid 7802] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7802, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5004] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7806] +++ exited with 0 +++ [pid 7816] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7803] +++ exited with 0 +++ [pid 5004] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7803, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5004] <... openat resumed>) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... openat resumed>) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7816] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7807] <... futex resumed>) = 0 [ 230.167912][ T7814] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 230.168065][ T7808] overlayfs: failed to resolve './file0': -2 [ 230.183576][ T7815] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 230.189696][ T7816] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7816] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7808] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7808] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7807] exit_group(0) = ? [pid 7816] <... futex resumed>) = ? [pid 7808] +++ exited with 0 +++ [pid 7816] +++ exited with 0 +++ [pid 7807] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7807, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5005] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./165/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./165/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./165/bus") = 0 [pid 5008] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./165/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./165") = 0 [pid 5008] mkdir("./166", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7817 ./strace-static-x86_64: Process 7817 attached [pid 7817] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7817] chdir("./166") = 0 [pid 7817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7817] setpgid(0, 0) = 0 [pid 7817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7817] write(3, "1000", 4) = 4 [pid 7817] close(3) = 0 [pid 7817] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7817] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7817] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7817] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7818], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7818 [pid 7817] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7817] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./162/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./162/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./162/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./162/bus" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... rmdir resumed>) = 0 [pid 5007] lstat("./163/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./162/binderfs" [pid 5007] openat(AT_FDCWD, "./163/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, [pid 5004] <... unlink resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, [pid 5004] getdents64(3, [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7818 attached [pid 5007] close(4 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] <... close resumed>) = 0 [pid 7818] set_robust_list(0x7fe58847a9e0, 24 [pid 5004] close(3 [pid 7818] <... set_robust_list resumed>) = 0 [pid 5007] rmdir("./163/bus" [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./162" [pid 7818] memfd_create("syzkaller", 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5007] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7818] <... memfd_create resumed>) = 3 [pid 5004] mkdir("./163", 0777 [pid 7818] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... mkdir resumed>) = 0 [pid 5007] lstat("./163/binderfs", [pid 7818] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5007] unlink("./163/binderfs" [pid 5004] <... openat resumed>) = 3 [pid 5007] <... unlink resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5007] getdents64(3, [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3 [pid 5007] close(3 [pid 5004] <... close resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5007] rmdir("./163" [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... rmdir resumed>) = 0 [pid 5007] mkdir("./164", 0777 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7819 [pid 5007] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7819 attached [pid 7819] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7819] chdir("./163") = 0 [pid 7819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7819] setpgid(0, 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7820 [pid 7819] <... setpgid resumed>) = 0 [pid 7819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7819] write(3, "1000", 4) = 4 [pid 7819] close(3) = 0 [pid 7819] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5005] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7820 attached [pid 7819] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7820] set_robust_list(0x5555568c85e0, 24 [pid 7819] <... futex resumed>) = 0 [pid 5005] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7820] <... set_robust_list resumed>) = 0 [pid 7819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7820] chdir("./164" [pid 7819] <... mmap resumed>) = 0x7fe58845a000 [pid 5005] lstat("./164/bus", [pid 7820] <... chdir resumed>) = 0 [pid 7819] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7819] <... mprotect resumed>) = 0 [pid 5005] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7820] <... prctl resumed>) = 0 [pid 7819] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7820] setpgid(0, 0 [pid 5005] openat(AT_FDCWD, "./164/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7820] <... setpgid resumed>) = 0 [pid 7819] <... clone resumed>, parent_tid=[7821], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7821 [pid 7820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7819] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... openat resumed>) = 4 [pid 7820] <... openat resumed>) = 3 [pid 7819] <... futex resumed>) = 0 [pid 5005] fstat(4, [pid 7820] write(3, "1000", 4 [pid 7819] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7820] <... write resumed>) = 4 [pid 5005] getdents64(4, ./strace-static-x86_64: Process 7821 attached [pid 7820] close(3) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7821] set_robust_list(0x7fe58847a9e0, 24 [pid 7820] symlink("/dev/binderfs", "./binderfs" [pid 5005] getdents64(4, [pid 7820] <... symlink resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7821] <... set_robust_list resumed>) = 0 [pid 7820] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] close(4 [pid 7820] <... futex resumed>) = 0 [pid 7821] memfd_create("syzkaller", 0 [pid 7820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... close resumed>) = 0 [pid 7821] <... memfd_create resumed>) = 3 [pid 7820] <... mmap resumed>) = 0x7fe58845a000 [pid 5005] rmdir("./164/bus" [pid 7821] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7820] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7821] <... mmap resumed>) = 0x7fe58005a000 [pid 7820] <... mprotect resumed>) = 0 [pid 7818] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5005] <... rmdir resumed>) = 0 [pid 7820] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7820] <... clone resumed>, parent_tid=[7822], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7822 [pid 5005] lstat("./164/binderfs", [pid 7820] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7822 attached ) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7820] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] unlink("./164/binderfs" [pid 7822] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3 [pid 7822] memfd_create("syzkaller", 0 [pid 5005] <... close resumed>) = 0 [pid 7822] <... memfd_create resumed>) = 3 [pid 5005] rmdir("./164" [pid 7822] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5005] mkdir("./165", 0777 [pid 7822] <... mmap resumed>) = 0x7fe58005a000 [pid 5005] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7823 ./strace-static-x86_64: Process 7823 attached [pid 7823] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7823] chdir("./165") = 0 [pid 7823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7823] setpgid(0, 0) = 0 [pid 7823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7823] write(3, "1000", 4) = 4 [pid 7823] close(3) = 0 [pid 7823] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7823] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7823] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7823] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7824], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7824 [pid 7823] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7823] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7824 attached [pid 7824] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7824] memfd_create("syzkaller", 0) = 3 [pid 7824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7821] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7822] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7818] <... write resumed>) = 4194304 [pid 7818] munmap(0x7fe58005a000, 4194304) = 0 [pid 7818] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7818] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7824] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7818] close(3) = 0 [pid 7818] mkdir("./bus", 0777) = 0 [pid 7818] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7822] <... write resumed>) = 4194304 [pid 7822] munmap(0x7fe58005a000, 4194304) = 0 [pid 7822] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 230.584683][ T7818] loop5: detected capacity change from 0 to 8192 [ 230.612190][ T7818] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7822] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7822] close(3) = 0 [pid 7822] mkdir("./bus", 0777 [pid 7824] <... write resumed>) = 4194304 [pid 7822] <... mkdir resumed>) = 0 [pid 7821] <... write resumed>) = 4194304 [pid 7824] munmap(0x7fe58005a000, 4194304 [pid 7822] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7824] <... munmap resumed>) = 0 [pid 7821] munmap(0x7fe58005a000, 4194304) = 0 [pid 7824] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 230.640692][ T7822] loop4: detected capacity change from 0 to 8192 [ 230.647278][ T7818] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 230.656803][ T7818] REISERFS (device loop5): using ordered data mode [ 230.663620][ T7818] reiserfs: using flush barriers [ 230.671399][ T7818] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7824] ioctl(4, LOOP_SET_FD, 3 [pid 7821] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7821] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7821] close(3) = 0 [pid 7821] mkdir("./bus", 0777) = 0 [pid 7821] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7824] <... ioctl resumed>) = 0 [pid 7824] close(3) = 0 [pid 7824] mkdir("./bus", 0777) = 0 [ 230.681617][ T7824] loop2: detected capacity change from 0 to 8192 [ 230.688825][ T7818] REISERFS (device loop5): checking transaction log (loop5) [ 230.694864][ T7821] loop1: detected capacity change from 0 to 8192 [ 230.702676][ T7818] REISERFS (device loop5): Using r5 hash to sort names [ 230.712939][ T7822] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 230.715466][ T7818] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7824] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7818] <... mount resumed>) = 0 [ 230.729078][ T7821] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 230.739943][ T7818] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 230.754717][ T7824] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 230.762295][ T7822] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 230.784754][ T7822] REISERFS (device loop4): using ordered data mode [pid 7818] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7818] chdir("./bus") = 0 [pid 7818] ioctl(4, LOOP_CLR_FD) = 0 [pid 7818] close(4) = 0 [pid 7818] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7817] <... futex resumed>) = 0 [pid 7818] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7817] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7817] <... futex resumed>) = 0 [pid 7818] mkdir("./file1", 000 [pid 7817] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7818] <... mkdir resumed>) = 0 [pid 7818] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7817] <... futex resumed>) = 0 [pid 7818] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7817] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7817] <... futex resumed>) = 0 [pid 7818] mkdir("./bus", 000 [ 230.791773][ T7822] reiserfs: using flush barriers [ 230.798559][ T7824] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 230.809403][ T7821] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 230.821626][ T7824] REISERFS (device loop2): using ordered data mode [pid 7817] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7818] <... mkdir resumed>) = 0 [pid 7818] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7817] <... futex resumed>) = 0 [pid 7818] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7817] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7817] <... futex resumed>) = 0 [ 230.823129][ T7822] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 230.829386][ T7821] REISERFS (device loop1): using ordered data mode [ 230.845752][ T7824] reiserfs: using flush barriers [ 230.851035][ T7821] reiserfs: using flush barriers [ 230.862584][ T7821] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7818] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 230.864249][ T7824] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 230.879341][ T7822] REISERFS (device loop4): checking transaction log (loop4) [ 230.896556][ T7821] REISERFS (device loop1): checking transaction log (loop1) [ 230.902848][ T7824] REISERFS (device loop2): checking transaction log (loop2) [ 230.911871][ T7818] overlayfs: upper fs needs to support d_type. [ 230.924474][ T7818] overlayfs: upper fs does not support tmpfile. [ 230.924783][ T7821] REISERFS (device loop1): Using r5 hash to sort names [ 230.932109][ T7822] REISERFS (device loop4): Using r5 hash to sort names [ 230.937744][ T7824] REISERFS (device loop2): Using r5 hash to sort names [ 230.944860][ T7818] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 230.951634][ T7821] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 230.959545][ T7818] overlayfs: failed to resolve './file0': -2 [ 230.971227][ T7824] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7817] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7817] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7824] <... mount resumed>) = 0 [pid 7822] <... mount resumed>) = 0 [pid 7817] <... futex resumed>) = 0 [pid 7822] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7822] <... openat resumed>) = 3 [pid 7817] <... mmap resumed>) = 0x7fe580439000 [pid 7822] chdir("./bus" [pid 7817] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7822] <... chdir resumed>) = 0 [pid 7817] <... mprotect resumed>) = 0 [pid 7822] ioctl(4, LOOP_CLR_FD [pid 7817] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7822] <... ioctl resumed>) = 0 [pid 7822] close(4 [pid 7817] <... clone resumed>, parent_tid=[7829], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7829 ./strace-static-x86_64: Process 7829 attached [pid 7822] <... close resumed>) = 0 [pid 7817] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7829] set_robust_list(0x7fe5804599e0, 24 [pid 7822] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7821] <... mount resumed>) = 0 [pid 7817] <... futex resumed>) = 0 [pid 7829] <... set_robust_list resumed>) = 0 [pid 7824] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7822] <... futex resumed>) = 1 [pid 7821] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7820] <... futex resumed>) = 0 [pid 7817] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7829] mkdir(".", 0777 [pid 7822] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7820] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7820] <... futex resumed>) = 0 [pid 7822] mkdir("./file1", 000 [pid 7820] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7822] <... mkdir resumed>) = 0 [pid 7822] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7820] <... futex resumed>) = 0 [pid 7829] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7824] <... openat resumed>) = 3 [pid 7822] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7821] <... openat resumed>) = 3 [ 230.977788][ T7822] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 230.989841][ T7824] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 231.002569][ T7822] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 231.011372][ T7821] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7820] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7829] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7824] chdir("./bus" [pid 7822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7821] chdir("./bus" [pid 7820] <... futex resumed>) = 0 [pid 7824] <... chdir resumed>) = 0 [pid 7822] mkdir("./bus", 000 [pid 7821] <... chdir resumed>) = 0 [pid 7818] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7824] ioctl(4, LOOP_CLR_FD [pid 7822] <... mkdir resumed>) = 0 [pid 7821] ioctl(4, LOOP_CLR_FD [pid 7820] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7824] <... ioctl resumed>) = 0 [pid 7822] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7821] <... ioctl resumed>) = 0 [pid 7820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7818] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7824] close(4 [pid 7822] <... futex resumed>) = 0 [pid 7821] close(4 [pid 7829] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7824] <... close resumed>) = 0 [pid 7822] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7820] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7818] <... futex resumed>) = 0 [pid 7821] <... close resumed>) = 0 [pid 7829] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7824] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7821] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7820] <... futex resumed>) = 0 [pid 7818] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7829] <... futex resumed>) = 1 [pid 7820] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7817] <... futex resumed>) = 0 [pid 7829] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7824] <... futex resumed>) = 1 [pid 7823] <... futex resumed>) = 0 [pid 7821] <... futex resumed>) = 1 [pid 7819] <... futex resumed>) = 0 [pid 7817] exit_group(0 [pid 7829] <... futex resumed>) = ? [pid 7824] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7823] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7821] mkdir("./file1", 000 [pid 7819] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7818] <... futex resumed>) = ? [pid 7817] <... exit_group resumed>) = ? [pid 7829] +++ exited with 0 +++ [pid 7824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7823] <... futex resumed>) = 0 [pid 7821] <... mkdir resumed>) = 0 [pid 7819] <... futex resumed>) = 0 [pid 7818] +++ exited with 0 +++ [pid 7817] +++ exited with 0 +++ [pid 7824] mkdir("./file1", 000 [pid 7823] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7821] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7819] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7817, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5008] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7824] <... mkdir resumed>) = 0 [pid 7821] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7824] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7821] mkdir("./bus", 000 [pid 7819] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 3 [pid 7824] <... futex resumed>) = 1 [pid 7823] <... futex resumed>) = 0 [pid 7821] <... mkdir resumed>) = 0 [pid 5008] fstat(3, [pid 7819] <... futex resumed>) = 0 [pid 7824] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7823] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7821] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7819] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7823] <... futex resumed>) = 0 [pid 7821] <... futex resumed>) = 0 [ 231.045669][ T7829] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 231.070114][ T7822] overlayfs: upper fs needs to support d_type. [ 231.079537][ T7822] overlayfs: upper fs does not support tmpfile. [pid 7819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] getdents64(3, [pid 7824] mkdir("./bus", 000 [pid 7823] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7821] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7819] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7824] <... mkdir resumed>) = 0 [pid 7821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7819] <... futex resumed>) = 0 [pid 7824] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7821] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7819] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7824] <... futex resumed>) = 1 [pid 7823] <... futex resumed>) = 0 [pid 7824] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7823] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7823] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7822] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7822] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7820] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7822] mkdir(".", 0777 [pid 7820] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7822] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7820] <... futex resumed>) = 0 [pid 7822] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 231.097204][ T7822] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 231.107680][ T7821] overlayfs: upper fs needs to support d_type. [ 231.110179][ T7822] overlayfs: failed to resolve './file0': -2 [ 231.121444][ T7824] overlayfs: upper fs needs to support d_type. [ 231.127887][ T7821] overlayfs: upper fs does not support tmpfile. [ 231.134580][ T7824] overlayfs: upper fs does not support tmpfile. [pid 7820] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7819] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7819] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7823] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7823] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7819] <... futex resumed>) = 0 [pid 7823] <... futex resumed>) = 0 [pid 7819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7819] <... mmap resumed>) = 0x7fe580439000 [pid 7823] <... mmap resumed>) = 0x7fe580439000 [pid 7819] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7824] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7823] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7822] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7819] <... mprotect resumed>) = 0 [pid 7824] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7823] <... mprotect resumed>) = 0 [pid 7819] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7824] <... futex resumed>) = 0 [pid 7823] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7824] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7819] <... clone resumed>, parent_tid=[7830], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7830 [pid 7823] <... clone resumed>, parent_tid=[7831], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7831 [pid 7819] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7823] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7819] <... futex resumed>) = 0 [pid 7823] <... futex resumed>) = 0 [pid 7819] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7823] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7822] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7820] <... futex resumed>) = 0 [pid 7822] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7820] exit_group(0) = ? [pid 7822] <... futex resumed>) = ? [pid 7822] +++ exited with 0 +++ [pid 7821] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7820] +++ exited with 0 +++ [pid 7821] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7820, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7821] <... futex resumed>) = 0 [pid 7821] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7831 attached [pid 7831] set_robust_list(0x7fe5804599e0, 24 [pid 5007] <... openat resumed>) = 3 [pid 7831] <... set_robust_list resumed>) = 0 [pid 5007] fstat(3, [pid 7831] mkdir(".", 0777 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7831] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5007] getdents64(3, [pid 7831] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [ 231.139051][ T7822] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 231.142323][ T7821] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 231.164047][ T7824] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 231.174090][ T7824] overlayfs: failed to resolve './file0': -2 [ 231.190507][ T7821] overlayfs: failed to resolve './file0': -2 [pid 5007] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7830 attached [pid 7830] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7830] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7830] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7831] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7831] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7823] <... futex resumed>) = 0 [pid 7823] exit_group(0 [pid 7824] <... futex resumed>) = ? [pid 7823] <... exit_group resumed>) = ? [pid 7824] +++ exited with 0 +++ [pid 7831] <... futex resumed>) = ? [pid 7831] +++ exited with 0 +++ [pid 7823] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7823, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5005] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./166/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./166/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./166/bus") = 0 [pid 5008] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./166/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [ 231.240104][ T7831] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 231.264871][ T7830] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] rmdir("./166") = 0 [pid 5008] mkdir("./167", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7830] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7830] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7819] <... futex resumed>) = 0 [pid 7830] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7819] exit_group(0 [pid 7830] <... futex resumed>) = ? [pid 7821] <... futex resumed>) = ? [pid 7819] <... exit_group resumed>) = ? [pid 7830] +++ exited with 0 +++ [pid 5008] close(3 [pid 7821] +++ exited with 0 +++ [pid 7819] +++ exited with 0 +++ [pid 5008] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7819, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7832 [pid 5007] lstat("./164/bus", [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] lstat("./165/bus", [pid 5007] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] openat(AT_FDCWD, "./164/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... openat resumed>) = 4 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] fstat(4, [pid 5005] openat(AT_FDCWD, "./165/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 7832 attached [pid 5004] fstat(3, [pid 7832] set_robust_list(0x5555568c85e0, 24 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7832] <... set_robust_list resumed>) = 0 [pid 5004] getdents64(3, [pid 7832] chdir("./167" [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7832] <... chdir resumed>) = 0 [pid 5004] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7832] <... prctl resumed>) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5007] getdents64(4, [pid 7832] setpgid(0, 0 [pid 5005] fstat(4, [pid 7832] <... setpgid resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] getdents64(4, [pid 7832] <... openat resumed>) = 3 [pid 5005] getdents64(4, [pid 7832] write(3, "1000", 4) = 4 [pid 7832] close(3 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7832] <... close resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] close(4 [pid 7832] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... close resumed>) = 0 [pid 5005] getdents64(4, [pid 7832] <... symlink resumed>) = 0 [pid 5007] rmdir("./164/bus" [pid 7832] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7832] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5007] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] close(4 [pid 7832] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... close resumed>) = 0 [pid 7832] <... clone resumed>, parent_tid=[7833], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7833 [pid 7832] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] lstat("./164/binderfs", [pid 5005] rmdir("./165/bus" [pid 7832] <... futex resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 7832] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] unlink("./164/binderfs" [pid 5005] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7833 attached [pid 7833] set_robust_list(0x7fe58847a9e0, 24 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5005] lstat("./165/binderfs", [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... close resumed>) = 0 [pid 5005] unlink("./165/binderfs" [pid 5007] rmdir("./164" [pid 7833] <... set_robust_list resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 7833] memfd_create("syzkaller", 0) = 3 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] getdents64(3, [pid 7833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] mkdir("./165", 0777 [pid 7833] <... mmap resumed>) = 0x7fe58005a000 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] close(3 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5005] <... close resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5005] rmdir("./165" [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] <... rmdir resumed>) = 0 [pid 5007] close(3 [pid 5005] mkdir("./166", 0777 [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7834 [pid 5005] <... openat resumed>) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7835 ./strace-static-x86_64: Process 7834 attached [pid 7834] set_robust_list(0x5555568c85e0, 24./strace-static-x86_64: Process 7835 attached [pid 7835] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7835] chdir("./166") = 0 [pid 7835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7835] setpgid(0, 0) = 0 [pid 7835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7834] <... set_robust_list resumed>) = 0 [pid 7834] chdir("./165") = 0 [pid 7834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7834] setpgid(0, 0) = 0 [pid 7834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7835] <... openat resumed>) = 3 [pid 7835] write(3, "1000", 4) = 4 [pid 7834] write(3, "1000", 4 [pid 7835] close(3 [pid 7834] <... write resumed>) = 4 [pid 7835] <... close resumed>) = 0 [pid 7834] close(3 [pid 7835] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7834] <... close resumed>) = 0 [pid 7835] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7834] symlink("/dev/binderfs", "./binderfs" [pid 7835] <... futex resumed>) = 0 [pid 7834] <... symlink resumed>) = 0 [pid 7835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7834] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7835] <... mmap resumed>) = 0x7fe58845a000 [pid 7834] <... futex resumed>) = 0 [pid 7835] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7835] <... mprotect resumed>) = 0 [pid 7834] <... mmap resumed>) = 0x7fe58845a000 [pid 7835] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7834] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7835] <... clone resumed>, parent_tid=[7836], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7836 [pid 7834] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7835] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7836 attached ) = 0 [pid 7834] <... clone resumed>, parent_tid=[7837], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7837 [pid 7836] set_robust_list(0x7fe58847a9e0, 24 [pid 7835] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7834] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7836] <... set_robust_list resumed>) = 0 [pid 7834] <... futex resumed>) = 0 [pid 7834] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7837 attached [pid 7837] set_robust_list(0x7fe58847a9e0, 24 [pid 7836] memfd_create("syzkaller", 0) = 3 [pid 7836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7837] <... set_robust_list resumed>) = 0 [pid 7836] <... mmap resumed>) = 0x7fe58005a000 [pid 7837] memfd_create("syzkaller", 0) = 3 [pid 7837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./163/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./163/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./163/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./163/bus") = 0 [pid 5004] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./163/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./163") = 0 [pid 5004] mkdir("./164", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 7833] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7838 ./strace-static-x86_64: Process 7838 attached [pid 7836] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7838] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7838] chdir("./164") = 0 [pid 7838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7838] setpgid(0, 0) = 0 [pid 7838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7838] write(3, "1000", 4) = 4 [pid 7838] close(3) = 0 [pid 7838] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7838] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7838] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7838] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7839], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7839 [pid 7838] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7838] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7839 attached [pid 7839] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7839] memfd_create("syzkaller", 0) = 3 [pid 7839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7837] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7836] <... write resumed>) = 4194304 [pid 7836] munmap(0x7fe58005a000, 4194304) = 0 [pid 7836] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7836] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7836] close(3) = 0 [pid 7836] mkdir("./bus", 0777) = 0 [pid 7836] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7833] <... write resumed>) = 4194304 [pid 7833] munmap(0x7fe58005a000, 4194304) = 0 [pid 7833] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7833] ioctl(4, LOOP_SET_FD, 3 [pid 7837] <... write resumed>) = 4194304 [ 231.593719][ T7836] loop2: detected capacity change from 0 to 8192 [ 231.621882][ T7836] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.626572][ T7833] loop5: detected capacity change from 0 to 8192 [pid 7839] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7837] munmap(0x7fe58005a000, 4194304 [pid 7833] <... ioctl resumed>) = 0 [pid 7837] <... munmap resumed>) = 0 [pid 7833] close(3) = 0 [pid 7833] mkdir("./bus", 0777) = 0 [pid 7833] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7837] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7837] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7837] close(3) = 0 [ 231.640465][ T7836] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 231.651026][ T7836] REISERFS (device loop2): using ordered data mode [ 231.660270][ T7836] reiserfs: using flush barriers [ 231.666743][ T7837] loop4: detected capacity change from 0 to 8192 [ 231.674970][ T7836] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7837] mkdir("./bus", 0777) = 0 [ 231.691545][ T7833] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.691642][ T7836] REISERFS (device loop2): checking transaction log (loop2) [ 231.713246][ T7836] REISERFS (device loop2): Using r5 hash to sort names [ 231.720413][ T7836] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7837] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7836] <... mount resumed>) = 0 [pid 7839] <... write resumed>) = 4194304 [pid 7839] munmap(0x7fe58005a000, 4194304) = 0 [pid 7839] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7836] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7839] <... openat resumed>) = 4 [pid 7839] ioctl(4, LOOP_SET_FD, 3 [pid 7836] chdir("./bus" [pid 7839] <... ioctl resumed>) = 0 [pid 7839] close(3) = 0 [pid 7839] mkdir("./bus", 0777) = 0 [pid 7836] <... chdir resumed>) = 0 [pid 7836] ioctl(4, LOOP_CLR_FD) = 0 [ 231.720725][ T7837] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.746091][ T7836] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 231.751002][ T7833] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 231.764753][ T7837] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 231.774771][ T7837] REISERFS (device loop4): using ordered data mode [ 231.777442][ T7839] loop1: detected capacity change from 0 to 8192 [ 231.781681][ T7837] reiserfs: using flush barriers [pid 7836] close(4) = 0 [pid 7839] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7836] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7835] <... futex resumed>) = 0 [ 231.794780][ T7837] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 231.811924][ T7837] REISERFS (device loop4): checking transaction log (loop4) [ 231.817043][ T7833] REISERFS (device loop5): using ordered data mode [ 231.820542][ T7837] REISERFS (device loop4): Using r5 hash to sort names [ 231.827803][ T7833] reiserfs: using flush barriers [pid 7836] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7835] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7835] <... futex resumed>) = 0 [pid 7836] mkdir("./file1", 000 [ 231.833241][ T7837] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 231.838202][ T7839] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.862230][ T7833] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 231.863625][ T7839] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7835] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7836] <... mkdir resumed>) = 0 [pid 7836] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7835] <... futex resumed>) = 0 [pid 7836] mkdir("./bus", 000 [pid 7835] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7836] <... mkdir resumed>) = 0 [pid 7835] <... futex resumed>) = 0 [pid 7836] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7835] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7836] <... futex resumed>) = 0 [pid 7835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7836] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7835] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7835] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7837] <... mount resumed>) = 0 [ 231.889331][ T7839] REISERFS (device loop1): using ordered data mode [ 231.896228][ T7839] reiserfs: using flush barriers [ 231.902412][ T7837] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 231.907691][ T7836] overlayfs: upper fs needs to support d_type. [ 231.911526][ T7839] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 231.911882][ T7839] REISERFS (device loop1): checking transaction log (loop1) [pid 7837] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7835] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7835] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7835] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7835] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7844], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7844 [pid 7835] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 231.920171][ T7836] overlayfs: upper fs does not support tmpfile. [ 231.934545][ T7833] REISERFS (device loop5): checking transaction log (loop5) [ 231.945339][ T7839] REISERFS (device loop1): Using r5 hash to sort names [ 231.948695][ T7836] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 231.957207][ T7839] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 231.963233][ T7836] overlayfs: failed to resolve './file0': -2 [pid 7835] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7844 attached [pid 7837] chdir("./bus") = 0 [pid 7837] ioctl(4, LOOP_CLR_FD) = 0 [pid 7837] close(4) = 0 [pid 7837] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7834] <... futex resumed>) = 0 [pid 7837] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7834] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7834] <... futex resumed>) = 0 [pid 7837] mkdir("./file1", 000 [pid 7834] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7837] <... mkdir resumed>) = 0 [pid 7837] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7834] <... futex resumed>) = 0 [pid 7837] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7834] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7834] <... futex resumed>) = 0 [pid 7837] mkdir("./bus", 000 [pid 7834] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7837] <... mkdir resumed>) = 0 [pid 7837] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7834] <... futex resumed>) = 0 [pid 7837] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7834] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7834] <... futex resumed>) = 0 [pid 7837] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7834] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7844] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7844] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7844] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7839] <... mount resumed>) = 0 [ 231.976484][ T7839] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 231.993697][ T7833] REISERFS (device loop5): Using r5 hash to sort names [ 232.003943][ T7837] overlayfs: upper fs needs to support d_type. [ 232.010119][ T7833] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.021678][ T7844] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 232.039292][ T7837] overlayfs: upper fs does not support tmpfile. [pid 7839] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7844] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7839] <... openat resumed>) = 3 [pid 7834] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7834] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7834] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7834] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7845], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7845 [pid 7834] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7834] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7845 attached [pid 7845] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7845] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7845] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7844] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7839] chdir("./bus" [pid 7836] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7836] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7836] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7844] <... futex resumed>) = 1 [pid 7839] <... chdir resumed>) = 0 [pid 7835] <... futex resumed>) = 0 [pid 7833] <... mount resumed>) = 0 [pid 7844] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7839] ioctl(4, LOOP_CLR_FD) = 0 [pid 7835] exit_group(0 [pid 7839] close(4 [pid 7844] <... futex resumed>) = ? [pid 7836] <... futex resumed>) = ? [pid 7835] <... exit_group resumed>) = ? [pid 7836] +++ exited with 0 +++ [pid 7844] +++ exited with 0 +++ [pid 7839] <... close resumed>) = 0 [pid 7835] +++ exited with 0 +++ [pid 7833] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7833] chdir("./bus") = 0 [pid 7833] ioctl(4, LOOP_CLR_FD) = 0 [pid 7833] close(4) = 0 [pid 7833] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7832] <... futex resumed>) = 0 [pid 7839] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7833] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7832] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7839] <... futex resumed>) = 1 [pid 7838] <... futex resumed>) = 0 [pid 7833] <... futex resumed>) = 0 [pid 7832] <... futex resumed>) = 1 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7835, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 7839] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7833] mkdir("./file1", 000 [pid 7832] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7838] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7833] <... mkdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7838] <... futex resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7839] mkdir("./file1", 000 [pid 7838] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7833] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7839] <... mkdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 7833] <... futex resumed>) = 1 [pid 7839] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7833] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7832] <... futex resumed>) = 0 [pid 5005] fstat(3, [pid 7832] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7839] <... futex resumed>) = 1 [pid 7838] <... futex resumed>) = 0 [pid 7833] <... futex resumed>) = 0 [pid 7832] <... futex resumed>) = 1 [pid 5005] getdents64(3, [pid 7839] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7838] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7833] mkdir("./bus", 000 [pid 7832] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7838] <... futex resumed>) = 0 [pid 7839] mkdir("./bus", 000 [pid 7838] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7833] <... mkdir resumed>) = 0 [pid 5005] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7839] <... mkdir resumed>) = 0 [pid 7833] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7839] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7833] <... futex resumed>) = 1 [pid 7832] <... futex resumed>) = 0 [pid 7839] <... futex resumed>) = 1 [pid 7838] <... futex resumed>) = 0 [pid 7832] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7833] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7839] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7838] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7832] <... futex resumed>) = 0 [pid 7838] <... futex resumed>) = 0 [ 232.039868][ T7833] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 232.070402][ T7837] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7838] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 232.094778][ T7833] overlayfs: upper fs needs to support d_type. [ 232.100999][ T7833] overlayfs: upper fs does not support tmpfile. [ 232.108400][ T7839] overlayfs: upper fs needs to support d_type. [ 232.118900][ T7845] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 232.128722][ T7833] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7832] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7833] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7833] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7832] <... futex resumed>) = 0 [pid 7833] mkdir(".", 0777 [pid 7832] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7832] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7838] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7833] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7838] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7833] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7838] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7838] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7846], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7846 [pid 7838] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 232.142600][ T7833] overlayfs: failed to resolve './file0': -2 [ 232.143020][ T7839] overlayfs: upper fs does not support tmpfile. [ 232.150341][ T7837] overlayfs: failed to resolve './file0': -2 [ 232.179381][ T7839] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7838] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7846 attached [pid 7845] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = 0 [pid 7846] set_robust_list(0x7fe5804599e0, 24 [pid 7845] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7846] <... set_robust_list resumed>) = 0 [pid 7845] <... futex resumed>) = 1 [pid 7834] <... futex resumed>) = 0 [pid 7846] mkdir(".", 0777 [pid 7845] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7846] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7846] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7833] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./166/bus", [pid 7833] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7832] <... futex resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7839] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7837] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7833] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7832] exit_group(0 [pid 5005] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7846] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7839] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7837] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7834] exit_group(0 [pid 7833] <... futex resumed>) = ? [pid 7832] <... exit_group resumed>) = ? [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7846] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7845] <... futex resumed>) = ? [pid 7839] <... futex resumed>) = 0 [pid 7837] <... futex resumed>) = ? [pid 7834] <... exit_group resumed>) = ? [pid 7833] +++ exited with 0 +++ [pid 7832] +++ exited with 0 +++ [pid 7845] +++ exited with 0 +++ [pid 7839] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7837] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7832, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5005] openat(AT_FDCWD, "./166/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7834] +++ exited with 0 +++ [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7838] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 4 [pid 7846] <... futex resumed>) = 1 [pid 5008] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7838] exit_group(0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7834, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7839] <... futex resumed>) = ? [pid 7838] <... exit_group resumed>) = ? [pid 5008] <... openat resumed>) = 3 [pid 5005] fstat(4, [pid 7839] +++ exited with 0 +++ [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7846] +++ exited with 0 +++ [pid 7838] +++ exited with 0 +++ [pid 5007] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(4, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7838, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 5007] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(4, [ 232.180586][ T7833] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 232.198003][ T7839] overlayfs: failed to resolve './file0': -2 [ 232.213814][ T7846] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./166/bus") = 0 [pid 5005] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./166/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./166") = 0 [pid 5005] mkdir("./167", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] <... umount2 resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5008] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7847 [pid 5008] lstat("./167/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7847 attached [pid 5008] openat(AT_FDCWD, "./167/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7847] set_robust_list(0x5555568c85e0, 24 [pid 5008] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 7847] <... set_robust_list resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7847] chdir("./167" [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7847] <... chdir resumed>) = 0 [pid 7847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] getdents64(4, [pid 7847] <... prctl resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7847] setpgid(0, 0 [pid 5008] close(4 [pid 7847] <... setpgid resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 7847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] rmdir("./167/bus" [pid 7847] <... openat resumed>) = 3 [pid 7847] write(3, "1000", 4 [pid 5008] <... rmdir resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 7847] <... write resumed>) = 4 [pid 5008] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7847] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7847] <... close resumed>) = 0 [pid 5008] lstat("./167/binderfs", [pid 5004] lstat("./164/bus", [pid 7847] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7847] <... symlink resumed>) = 0 [pid 7847] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] unlink("./167/binderfs" [pid 7847] <... futex resumed>) = 0 [pid 7847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... unlink resumed>) = 0 [pid 7847] <... mmap resumed>) = 0x7fe58845a000 [pid 5008] getdents64(3, [pid 7847] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] umount2("./164/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7847] <... mprotect resumed>) = 0 [pid 5008] close(3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7847] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... close resumed>) = 0 [pid 5004] openat(AT_FDCWD, "./164/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] rmdir("./167" [pid 7847] <... clone resumed>, parent_tid=[7848], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7848 [pid 7847] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... rmdir resumed>) = 0 [pid 5004] <... openat resumed>) = 4 [pid 7847] <... futex resumed>) = 0 [pid 5008] mkdir("./168", 0777 [pid 7847] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] fstat(4, [pid 5008] <... mkdir resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 ./strace-static-x86_64: Process 7848 attached [pid 7848] set_robust_list(0x7fe58847a9e0, 24 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5004] getdents64(4, [pid 7848] <... set_robust_list resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7848] memfd_create("syzkaller", 0 [pid 5008] close(3 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 5004] getdents64(4, [pid 7848] <... memfd_create resumed>) = 3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] close(4 [pid 7848] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7849 [pid 5004] <... close resumed>) = 0 [pid 5007] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] rmdir("./164/bus" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... rmdir resumed>) = 0 [pid 5007] lstat("./165/bus", [pid 5004] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7849 attached [pid 5007] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] lstat("./164/binderfs", [pid 7849] set_robust_list(0x5555568c85e0, 24 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7849] <... set_robust_list resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./165/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] unlink("./164/binderfs" [pid 7849] chdir("./168" [pid 5007] <... openat resumed>) = 4 [pid 5004] <... unlink resumed>) = 0 [pid 7849] <... chdir resumed>) = 0 [pid 5007] fstat(4, [pid 5004] getdents64(3, [pid 7849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7849] <... prctl resumed>) = 0 [pid 5007] getdents64(4, [pid 5004] close(3 [pid 7849] setpgid(0, 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... close resumed>) = 0 [pid 7849] <... setpgid resumed>) = 0 [pid 5007] getdents64(4, [pid 5004] rmdir("./164" [pid 7849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 7849] <... openat resumed>) = 3 [pid 5007] close(4 [pid 5004] mkdir("./165", 0777 [pid 7849] write(3, "1000", 4 [pid 5007] <... close resumed>) = 0 [pid 5004] <... mkdir resumed>) = 0 [pid 7849] <... write resumed>) = 4 [pid 5007] rmdir("./165/bus" [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7849] close(3 [pid 5007] <... rmdir resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 7849] <... close resumed>) = 0 [pid 5007] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] ioctl(3, LOOP_CLR_FD [pid 7849] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7849] <... symlink resumed>) = 0 [pid 5007] lstat("./165/binderfs", [pid 5004] close(3 [pid 7849] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7848] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7849] <... futex resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... close resumed>) = 0 [pid 7849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] unlink("./165/binderfs" [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7849] <... mmap resumed>) = 0x7fe58845a000 [pid 7849] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 7849] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7850], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7850 [pid 7849] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] getdents64(3, [pid 7849] <... futex resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7851 [pid 7849] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] close(3./strace-static-x86_64: Process 7850 attached ) = 0 [pid 5007] rmdir("./165" [pid 7850] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5007] mkdir("./166", 0777 [pid 7850] memfd_create("syzkaller", 0) = 3 [pid 7850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 7850] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7852 ./strace-static-x86_64: Process 7852 attached ./strace-static-x86_64: Process 7851 attached [pid 7852] set_robust_list(0x5555568c85e0, 24 [pid 7851] set_robust_list(0x5555568c85e0, 24 [pid 7852] <... set_robust_list resumed>) = 0 [pid 7851] <... set_robust_list resumed>) = 0 [pid 7852] chdir("./166" [pid 7851] chdir("./165" [pid 7852] <... chdir resumed>) = 0 [pid 7851] <... chdir resumed>) = 0 [pid 7852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7852] <... prctl resumed>) = 0 [pid 7851] <... prctl resumed>) = 0 [pid 7852] setpgid(0, 0 [pid 7851] setpgid(0, 0 [pid 7852] <... setpgid resumed>) = 0 [pid 7851] <... setpgid resumed>) = 0 [pid 7852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7852] <... openat resumed>) = 3 [pid 7851] <... openat resumed>) = 3 [pid 7852] write(3, "1000", 4 [pid 7851] write(3, "1000", 4 [pid 7852] <... write resumed>) = 4 [pid 7851] <... write resumed>) = 4 [pid 7852] close(3 [pid 7851] close(3 [pid 7852] <... close resumed>) = 0 [pid 7851] <... close resumed>) = 0 [pid 7852] symlink("/dev/binderfs", "./binderfs" [pid 7851] symlink("/dev/binderfs", "./binderfs" [pid 7852] <... symlink resumed>) = 0 [pid 7851] <... symlink resumed>) = 0 [pid 7852] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7851] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7852] <... futex resumed>) = 0 [pid 7851] <... futex resumed>) = 0 [pid 7852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7852] <... mmap resumed>) = 0x7fe58845a000 [pid 7851] <... mmap resumed>) = 0x7fe58845a000 [pid 7852] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7851] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7852] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7851] <... mprotect resumed>) = 0 [pid 7852] <... clone resumed>, parent_tid=[7853], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7853 [pid 7851] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7852] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7851] <... clone resumed>, parent_tid=[7854], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7854 [pid 7851] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7852] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7851] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7853 attached [pid 7851] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7853] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7853] memfd_create("syzkaller", 0) = 3 [pid 7853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 7854 attached [pid 7848] <... write resumed>) = 4194304 [pid 7854] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7854] memfd_create("syzkaller", 0) = 3 [pid 7848] munmap(0x7fe58005a000, 4194304 [pid 7854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7848] <... munmap resumed>) = 0 [pid 7848] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7848] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7848] close(3) = 0 [pid 7848] mkdir("./bus", 0777) = 0 [pid 7848] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 232.507180][ T7848] loop2: detected capacity change from 0 to 8192 [pid 7853] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7854] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7854] <... write resumed>) = 4194304 [ 232.546343][ T7848] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.559434][ T7848] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 232.569026][ T7848] REISERFS (device loop2): using ordered data mode [ 232.575870][ T7848] reiserfs: using flush barriers [ 232.582733][ T7848] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7854] munmap(0x7fe58005a000, 4194304) = 0 [pid 7854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7854] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7854] close(3) = 0 [pid 7854] mkdir("./bus", 0777) = 0 [pid 7854] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 232.616304][ T7848] REISERFS (device loop2): checking transaction log (loop2) [ 232.625820][ T7848] REISERFS (device loop2): Using r5 hash to sort names [ 232.635718][ T7854] loop1: detected capacity change from 0 to 8192 [pid 7853] <... write resumed>) = 4194304 [pid 7850] <... write resumed>) = 4194304 [pid 7853] munmap(0x7fe58005a000, 4194304 [pid 7850] munmap(0x7fe58005a000, 4194304 [pid 7853] <... munmap resumed>) = 0 [pid 7850] <... munmap resumed>) = 0 [pid 7848] <... mount resumed>) = 0 [pid 7853] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7850] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7848] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7853] <... openat resumed>) = 4 [pid 7850] <... openat resumed>) = 4 [pid 7848] <... openat resumed>) = 3 [ 232.656133][ T7854] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.665828][ T7848] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.670965][ T7854] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 232.682469][ T7848] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 232.691765][ T7854] REISERFS (device loop1): using ordered data mode [ 232.706803][ T7853] loop4: detected capacity change from 0 to 8192 [pid 7853] ioctl(4, LOOP_SET_FD, 3 [pid 7850] ioctl(4, LOOP_SET_FD, 3 [pid 7848] chdir("./bus" [pid 7853] <... ioctl resumed>) = 0 [pid 7853] close(3 [pid 7850] <... ioctl resumed>) = 0 [pid 7848] <... chdir resumed>) = 0 [pid 7848] ioctl(4, LOOP_CLR_FD) = 0 [pid 7848] close(4) = 0 [pid 7848] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7848] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7853] <... close resumed>) = 0 [pid 7853] mkdir("./bus", 0777 [pid 7847] <... futex resumed>) = 0 [pid 7847] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] close(3) = 0 [pid 7848] <... futex resumed>) = 0 [pid 7847] <... futex resumed>) = 1 [pid 7853] <... mkdir resumed>) = 0 [pid 7853] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7848] mkdir("./file1", 000 [pid 7850] mkdir("./bus", 0777 [pid 7848] <... mkdir resumed>) = 0 [pid 7847] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7848] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 232.707037][ T7854] reiserfs: using flush barriers [ 232.718845][ T7850] loop5: detected capacity change from 0 to 8192 [ 232.722263][ T7854] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 232.747593][ T7854] REISERFS (device loop1): checking transaction log (loop1) [pid 7848] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7850] <... mkdir resumed>) = 0 [pid 7847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7850] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7847] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7848] <... futex resumed>) = 0 [pid 7847] <... futex resumed>) = 1 [pid 7848] mkdir("./bus", 000) = 0 [pid 7848] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 232.755250][ T7853] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.757193][ T7854] REISERFS (device loop1): Using r5 hash to sort names [ 232.776229][ T7854] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.780670][ T7853] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 232.791842][ T7854] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7848] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7847] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7847] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7848] <... futex resumed>) = 0 [pid 7847] <... futex resumed>) = 1 [pid 7848] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 232.799422][ T7850] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.807281][ T7853] REISERFS (device loop4): using ordered data mode [ 232.825103][ T7848] overlayfs: upper fs needs to support d_type. [ 232.826853][ T7853] reiserfs: using flush barriers [ 232.839213][ T7853] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 232.855724][ T7853] REISERFS (device loop4): checking transaction log (loop4) [pid 7847] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7854] <... mount resumed>) = 0 [pid 7854] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7847] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7847] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7854] chdir("./bus") = 0 [pid 7847] <... mmap resumed>) = 0x7fe580439000 [pid 7847] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7847] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7859], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7859 [pid 7847] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 232.856282][ T7848] overlayfs: upper fs does not support tmpfile. [ 232.863899][ T7853] REISERFS (device loop4): Using r5 hash to sort names [ 232.877232][ T7848] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 232.883908][ T7853] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.896801][ T7850] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 232.896889][ T7850] REISERFS (device loop5): using ordered data mode [pid 7847] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7859 attached [pid 7854] ioctl(4, LOOP_CLR_FD) = 0 [pid 7854] close(4) = 0 [pid 7854] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7851] <... futex resumed>) = 0 [pid 7854] mkdir("./file1", 000 [pid 7851] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7854] <... mkdir resumed>) = 0 [pid 7851] <... futex resumed>) = 0 [pid 7854] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7851] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7854] <... futex resumed>) = 0 [pid 7851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7854] mkdir("./bus", 000 [pid 7851] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7851] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7859] set_robust_list(0x7fe5804599e0, 24 [pid 7854] <... mkdir resumed>) = 0 [pid 7859] <... set_robust_list resumed>) = 0 [pid 7854] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7859] mkdir(".", 0777 [pid 7854] <... futex resumed>) = 1 [pid 7851] <... futex resumed>) = 0 [pid 7859] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7854] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7851] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7859] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7851] <... futex resumed>) = 0 [pid 7854] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 232.907866][ T7848] overlayfs: failed to resolve './file0': -2 [ 232.931454][ T7850] reiserfs: using flush barriers [ 232.937059][ T7854] overlayfs: upper fs needs to support d_type. [ 232.938436][ T7850] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7851] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7848] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7848] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7848] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7851] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7851] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7851] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7851] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7860], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7860 [pid 7851] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7851] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7860 attached [pid 7860] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7860] mkdir(".", 0777) = -1 EEXIST (File exists) [ 232.944209][ T7859] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 232.959970][ T7850] REISERFS (device loop5): checking transaction log (loop5) [ 232.983681][ T7850] REISERFS (device loop5): Using r5 hash to sort names [ 232.989281][ T7854] overlayfs: upper fs does not support tmpfile. [ 232.990756][ T7850] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7860] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7853] <... mount resumed>) = 0 [pid 7859] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7853] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7850] <... mount resumed>) = 0 [pid 7859] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7853] <... openat resumed>) = 3 [pid 7850] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7859] <... futex resumed>) = 1 [pid 7853] chdir("./bus" [pid 7850] <... openat resumed>) = 3 [pid 7847] <... futex resumed>) = 0 [pid 7859] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7853] <... chdir resumed>) = 0 [pid 7850] chdir("./bus" [pid 7847] exit_group(0 [pid 7859] <... futex resumed>) = ? [pid 7853] ioctl(4, LOOP_CLR_FD [pid 7850] <... chdir resumed>) = 0 [pid 7847] <... exit_group resumed>) = ? [pid 7859] +++ exited with 0 +++ [pid 7853] <... ioctl resumed>) = 0 [pid 7850] ioctl(4, LOOP_CLR_FD [pid 7853] close(4 [pid 7850] <... ioctl resumed>) = 0 [pid 7848] <... futex resumed>) = ? [pid 7853] <... close resumed>) = 0 [pid 7850] close(4 [pid 7853] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] <... close resumed>) = 0 [pid 7853] <... futex resumed>) = 1 [pid 7852] <... futex resumed>) = 0 [pid 7850] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7848] +++ exited with 0 +++ [pid 7847] +++ exited with 0 +++ [pid 7853] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7852] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] <... futex resumed>) = 1 [pid 7849] <... futex resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7847, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 7853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7852] <... futex resumed>) = 0 [pid 7850] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7849] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 7853] mkdir("./file1", 000 [pid 7852] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7849] <... futex resumed>) = 0 [pid 5005] <... restart_syscall resumed>) = 0 [pid 7853] <... mkdir resumed>) = 0 [pid 7850] mkdir("./file1", 000 [pid 7849] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7853] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] <... mkdir resumed>) = 0 [pid 7853] <... futex resumed>) = 1 [pid 7852] <... futex resumed>) = 0 [pid 7850] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7853] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7852] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] <... futex resumed>) = 1 [pid 7853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7852] <... futex resumed>) = 0 [pid 7850] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7853] mkdir("./bus", 000 [pid 7852] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7849] <... futex resumed>) = 0 [pid 5005] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7853] <... mkdir resumed>) = 0 [pid 7849] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7853] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] <... futex resumed>) = 0 [pid 7849] <... futex resumed>) = 1 [pid 5005] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7853] <... futex resumed>) = 1 [pid 7852] <... futex resumed>) = 0 [pid 7850] mkdir("./bus", 000 [pid 7849] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7853] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7852] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] <... mkdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 7853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 233.011943][ T7853] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 233.021471][ T7850] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 233.022726][ T7860] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7852] <... futex resumed>) = 0 [pid 7850] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] fstat(3, [pid 7853] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7852] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7850] <... futex resumed>) = 1 [pid 7849] <... futex resumed>) = 0 [pid 7850] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7849] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7849] <... futex resumed>) = 0 [pid 7850] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7849] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 233.069422][ T7853] overlayfs: upper fs needs to support d_type. [ 233.080059][ T7850] overlayfs: upper fs needs to support d_type. [ 233.087558][ T7853] overlayfs: upper fs does not support tmpfile. [ 233.095390][ T7850] overlayfs: upper fs does not support tmpfile. [ 233.103024][ T7853] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 233.111472][ T7850] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5005] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7852] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7852] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7852] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7852] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7861], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7861 [pid 7852] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7852] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7860] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7849] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7860] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7849] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7860] <... futex resumed>) = 1 [pid 7851] <... futex resumed>) = 0 [pid 7849] <... futex resumed>) = 0 [pid 7860] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7861 attached ) = 0x7fe580439000 [pid 7849] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7861] set_robust_list(0x7fe5804599e0, 24 [pid 7849] <... mprotect resumed>) = 0 [pid 7861] <... set_robust_list resumed>) = 0 [pid 7849] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7861] mkdir(".", 0777 [pid 7849] <... clone resumed>, parent_tid=[7862], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7862 [pid 7849] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7849] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7861] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7861] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7862 attached [pid 7862] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7862] mkdir(".", 0777) = -1 EEXIST (File exists) [ 233.120292][ T7853] overlayfs: failed to resolve './file0': -2 [ 233.135817][ T7850] overlayfs: failed to resolve './file0': -2 [ 233.142429][ T7854] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 233.150668][ T7854] overlayfs: failed to resolve './file0': -2 [pid 7862] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./167/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./167/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./167/bus" [pid 7861] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... rmdir resumed>) = 0 [pid 7853] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7850] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5005] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7853] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7853] <... futex resumed>) = 0 [pid 7850] <... futex resumed>) = 0 [pid 5005] lstat("./167/binderfs", [pid 7853] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7850] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./167/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./167") = 0 [pid 5005] mkdir("./168", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 7862] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7861] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7854] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5005] <... close resumed>) = 0 [pid 7862] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7861] <... futex resumed>) = 1 [pid 7854] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7852] <... futex resumed>) = 0 [pid 7851] exit_group(0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7862] <... futex resumed>) = 1 [pid 7861] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7852] exit_group(0 [pid 7851] <... exit_group resumed>) = ? [pid 7849] <... futex resumed>) = 0 [pid 7862] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7861] <... futex resumed>) = ? [pid 7860] <... futex resumed>) = ? [pid 7854] <... futex resumed>) = ? [pid 7853] <... futex resumed>) = ? [pid 7852] <... exit_group resumed>) = ? [pid 7849] exit_group(0 [pid 7861] +++ exited with 0 +++ [pid 7860] +++ exited with 0 +++ ./strace-static-x86_64: Process 7863 attached [pid 7854] +++ exited with 0 +++ [pid 7851] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7851, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 7853] +++ exited with 0 +++ [pid 7862] <... futex resumed>) = ? [pid 7852] +++ exited with 0 +++ [pid 7850] <... futex resumed>) = ? [pid 7849] <... exit_group resumed>) = ? [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7863 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 7862] +++ exited with 0 +++ [pid 7850] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7852, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=27 /* 0.27 s */} --- [pid 5004] <... restart_syscall resumed>) = 0 [pid 7863] set_robust_list(0x5555568c85e0, 24 [pid 7849] +++ exited with 0 +++ [pid 7863] <... set_robust_list resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7849, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} --- [pid 5004] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7863] chdir("./168" [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7863] <... chdir resumed>) = 0 [pid 5008] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... openat resumed>) = 3 [pid 7863] <... prctl resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] fstat(3, [pid 7863] setpgid(0, 0 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7863] <... setpgid resumed>) = 0 [pid 5008] fstat(3, [pid 5007] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] getdents64(3, [pid 7863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7863] <... openat resumed>) = 3 [pid 5008] getdents64(3, [pid 5007] fstat(3, [pid 5004] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7863] write(3, "1000", 4 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7863] <... write resumed>) = 4 [pid 5008] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, [pid 7863] close(3) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7863] symlink("/dev/binderfs", "./binderfs" [pid 5007] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7863] <... symlink resumed>) = 0 [pid 7863] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7863] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7863] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7864], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7864 [pid 7863] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7863] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7864 attached [ 233.177207][ T7861] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 233.196238][ T7862] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7864] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7864] memfd_create("syzkaller", 0) = 3 [pid 7864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] <... umount2 resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5007] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./166/bus", [pid 5004] lstat("./165/bus", [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./165/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./166/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7864] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] openat(AT_FDCWD, "./165/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... openat resumed>) = 4 [pid 5007] fstat(4, [pid 5004] <... openat resumed>) = 4 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] fstat(4, [pid 5007] getdents64(4, [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, [pid 5007] getdents64(4, [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] getdents64(4, [pid 5007] close(4 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5004] close(4 [pid 5008] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] rmdir("./166/bus" [pid 5004] <... close resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5004] rmdir("./165/bus" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... rmdir resumed>) = 0 [pid 5008] lstat("./168/bus", [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] lstat("./166/binderfs", [pid 5008] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] unlink("./166/binderfs" [pid 5004] lstat("./165/binderfs", [pid 5008] openat(AT_FDCWD, "./168/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... unlink resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 5007] getdents64(3, [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] fstat(4, [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] unlink("./165/binderfs" [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] close(3 [pid 5004] <... unlink resumed>) = 0 [pid 5008] getdents64(4, [pid 5007] <... close resumed>) = 0 [pid 5004] getdents64(3, [pid 5007] rmdir("./166" [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] mkdir("./167", 0777 [pid 5004] close(3 [pid 5008] getdents64(4, [pid 5007] <... mkdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] <... close resumed>) = 0 [pid 5008] close(4) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5004] rmdir("./165" [pid 5008] rmdir("./168/bus" [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5004] <... rmdir resumed>) = 0 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] <... rmdir resumed>) = 0 [pid 5007] close(3 [pid 5004] mkdir("./166", 0777 [pid 5008] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... close resumed>) = 0 [pid 5004] <... mkdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] lstat("./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7865 [pid 5004] <... openat resumed>) = 3 [pid 5008] unlink("./168/binderfs" [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5008] <... unlink resumed>) = 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] getdents64(3, [pid 5004] close(3 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5004] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] rmdir("./168") = 0 [pid 5008] mkdir("./169", 0777 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7866 [pid 5008] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7865 attached [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 7865] set_robust_list(0x5555568c85e0, 24 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7865] <... set_robust_list resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7865] chdir("./167" [pid 5008] close(3 [pid 7865] <... chdir resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 7865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7865] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 7866 attached [pid 7866] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7865] setpgid(0, 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7867 [pid 7865] <... setpgid resumed>) = 0 [pid 7866] chdir("./166" [pid 7865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7866] <... chdir resumed>) = 0 [pid 7865] <... openat resumed>) = 3 [pid 7866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7865] write(3, "1000", 4 [pid 7866] <... prctl resumed>) = 0 [pid 7865] <... write resumed>) = 4 ./strace-static-x86_64: Process 7867 attached [pid 7866] setpgid(0, 0 [pid 7865] close(3) = 0 [pid 7865] symlink("/dev/binderfs", "./binderfs" [pid 7866] <... setpgid resumed>) = 0 [pid 7865] <... symlink resumed>) = 0 [pid 7867] set_robust_list(0x5555568c85e0, 24 [pid 7866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7865] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7867] <... set_robust_list resumed>) = 0 [pid 7866] <... openat resumed>) = 3 [pid 7865] <... futex resumed>) = 0 [pid 7864] <... write resumed>) = 4194304 [pid 7867] chdir("./169" [pid 7866] write(3, "1000", 4 [pid 7865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7864] munmap(0x7fe58005a000, 4194304 [pid 7867] <... chdir resumed>) = 0 [pid 7866] <... write resumed>) = 4 [pid 7865] <... mmap resumed>) = 0x7fe58845a000 [pid 7866] close(3 [pid 7865] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7866] <... close resumed>) = 0 [pid 7867] <... prctl resumed>) = 0 [pid 7866] symlink("/dev/binderfs", "./binderfs" [pid 7865] <... mprotect resumed>) = 0 [pid 7867] setpgid(0, 0 [pid 7866] <... symlink resumed>) = 0 [pid 7865] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7867] <... setpgid resumed>) = 0 [pid 7866] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7864] <... munmap resumed>) = 0 [pid 7867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7866] <... futex resumed>) = 0 [pid 7864] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7867] <... openat resumed>) = 3 [pid 7866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7865] <... clone resumed>, parent_tid=[7868], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7868 [pid 7867] write(3, "1000", 4 [pid 7866] <... mmap resumed>) = 0x7fe58845a000 [pid 7865] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7864] <... openat resumed>) = 4 [pid 7867] <... write resumed>) = 4 [pid 7866] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7865] <... futex resumed>) = 0 [pid 7864] ioctl(4, LOOP_SET_FD, 3 [pid 7867] close(3 [pid 7866] <... mprotect resumed>) = 0 [pid 7865] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7866] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7869], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7869 [pid 7866] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7866] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7868 attached [pid 7868] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7868] memfd_create("syzkaller", 0) = 3 ./strace-static-x86_64: Process 7869 attached [pid 7869] set_robust_list(0x7fe58847a9e0, 24 [pid 7868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7869] <... set_robust_list resumed>) = 0 [pid 7867] <... close resumed>) = 0 [pid 7868] <... mmap resumed>) = 0x7fe58005a000 [pid 7867] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7867] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7869] memfd_create("syzkaller", 0 [pid 7867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7864] <... ioctl resumed>) = 0 [pid 7869] <... memfd_create resumed>) = 3 [pid 7867] <... mmap resumed>) = 0x7fe58845a000 [pid 7864] close(3 [pid 7869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7867] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7864] <... close resumed>) = 0 [pid 7869] <... mmap resumed>) = 0x7fe58005a000 [pid 7867] <... mprotect resumed>) = 0 [pid 7864] mkdir("./bus", 0777 [pid 7867] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7864] <... mkdir resumed>) = 0 [pid 7864] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7867] <... clone resumed>, parent_tid=[7870], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7870 [pid 7867] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7867] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7870 attached [pid 7870] set_robust_list(0x7fe58847a9e0, 24 [pid 7868] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7870] <... set_robust_list resumed>) = 0 [pid 7870] memfd_create("syzkaller", 0) = 3 [pid 7870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 233.435608][ T7864] loop2: detected capacity change from 0 to 8192 [ 233.468900][ T7864] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7868] <... write resumed>) = 4194304 [pid 7868] munmap(0x7fe58005a000, 4194304) = 0 [pid 7868] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 233.500268][ T7864] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 233.537680][ T7864] REISERFS (device loop2): using ordered data mode [pid 7868] ioctl(4, LOOP_SET_FD, 3 [pid 7869] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7868] <... ioctl resumed>) = 0 [pid 7868] close(3) = 0 [pid 7868] mkdir("./bus", 0777) = 0 [pid 7868] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 233.550432][ T7868] loop4: detected capacity change from 0 to 8192 [ 233.581304][ T7864] reiserfs: using flush barriers [ 233.588270][ T7864] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 233.588582][ T7868] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.604818][ T7864] REISERFS (device loop2): checking transaction log (loop2) [ 233.626425][ T7864] REISERFS (device loop2): Using r5 hash to sort names [ 233.634274][ T7864] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7870] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7869] <... write resumed>) = 4194304 [pid 7869] munmap(0x7fe58005a000, 4194304 [pid 7864] <... mount resumed>) = 0 [pid 7864] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7864] chdir("./bus") = 0 [pid 7864] ioctl(4, LOOP_CLR_FD) = 0 [pid 7864] close(4 [pid 7869] <... munmap resumed>) = 0 [pid 7869] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7869] ioctl(4, LOOP_SET_FD, 3 [pid 7864] <... close resumed>) = 0 [pid 7864] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7863] <... futex resumed>) = 0 [pid 7863] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7864] <... futex resumed>) = 1 [pid 7863] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7864] mkdir("./file1", 000) = 0 [pid 7864] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7863] <... futex resumed>) = 0 [pid 7863] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7863] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7864] <... futex resumed>) = 1 [pid 7864] mkdir("./bus", 000) = 0 [pid 7864] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7863] <... futex resumed>) = 0 [pid 7863] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7864] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7863] <... futex resumed>) = 0 [pid 7863] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7870] <... write resumed>) = 4194304 [pid 7869] <... ioctl resumed>) = 0 [pid 7869] close(3) = 0 [pid 7869] mkdir("./bus", 0777) = 0 [pid 7869] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7870] munmap(0x7fe58005a000, 4194304) = 0 [pid 7870] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 233.647720][ T7864] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 233.670182][ T7869] loop1: detected capacity change from 0 to 8192 [ 233.692132][ T7864] overlayfs: upper fs needs to support d_type. [pid 7870] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7870] close(3) = 0 [pid 7870] mkdir("./bus", 0777) = 0 [pid 7863] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 233.698510][ T7870] loop5: detected capacity change from 0 to 8192 [ 233.699237][ T7864] overlayfs: upper fs does not support tmpfile. [ 233.705569][ T7869] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.712432][ T7864] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 233.724456][ T7868] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 233.733126][ T7864] overlayfs: failed to resolve './file0': -2 [pid 7870] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7863] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7864] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7863] <... futex resumed>) = 0 [pid 7864] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [ 233.748611][ T7868] REISERFS (device loop4): using ordered data mode [ 233.756157][ T7870] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.769573][ T7868] reiserfs: using flush barriers [ 233.771289][ T7869] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 233.776269][ T7868] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7864] <... futex resumed>) = 0 [pid 7863] <... mmap resumed>) = 0x7fe580439000 [pid 7864] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7863] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [ 233.784939][ T7870] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 233.800377][ T7869] REISERFS (device loop1): using ordered data mode [ 233.810692][ T7868] REISERFS (device loop4): checking transaction log (loop4) [ 233.816041][ T7869] reiserfs: using flush barriers [ 233.824196][ T7870] REISERFS (device loop5): using ordered data mode [ 233.829558][ T7869] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7863] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7875], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7875 [pid 7863] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7875 attached [pid 7875] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7863] <... futex resumed>) = 0 [pid 7875] mkdir(".", 0777 [pid 7863] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7875] <... mkdir resumed>) = -1 EEXIST (File exists) [ 233.835523][ T7870] reiserfs: using flush barriers [ 233.856119][ T7869] REISERFS (device loop1): checking transaction log (loop1) [ 233.865218][ T7868] REISERFS (device loop4): Using r5 hash to sort names [ 233.866124][ T7870] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7875] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 7875] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7863] <... futex resumed>) = 0 [pid 7863] exit_group(0 [pid 7864] <... futex resumed>) = ? [pid 7863] <... exit_group resumed>) = ? [pid 7864] +++ exited with 0 +++ [pid 7875] <... futex resumed>) = ? [pid 7875] +++ exited with 0 +++ [pid 7863] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7863, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 233.877080][ T7875] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 233.888904][ T7870] REISERFS (device loop5): checking transaction log (loop5) [ 233.911413][ T7868] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 233.922779][ T7870] REISERFS (device loop5): Using r5 hash to sort names [ 233.924957][ T7868] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 233.932298][ T7870] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5005] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7868] <... mount resumed>) = 0 [pid 7868] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7868] chdir("./bus") = 0 [pid 7868] ioctl(4, LOOP_CLR_FD) = 0 [pid 7868] close(4) = 0 [pid 7870] <... mount resumed>) = 0 [pid 7870] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7870] chdir("./bus") = 0 [pid 7868] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7865] <... futex resumed>) = 0 [pid 7868] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7865] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7865] <... futex resumed>) = 0 [pid 7868] mkdir("./file1", 000 [pid 7865] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7870] ioctl(4, LOOP_CLR_FD [pid 7868] <... mkdir resumed>) = 0 [pid 7868] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7865] <... futex resumed>) = 0 [pid 7868] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7865] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7865] <... futex resumed>) = 0 [pid 7868] mkdir("./bus", 000 [pid 7865] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7868] <... mkdir resumed>) = 0 [pid 7868] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7865] <... futex resumed>) = 0 [pid 7868] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7865] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7865] <... futex resumed>) = 0 [pid 7870] <... ioctl resumed>) = 0 [pid 7868] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7865] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7870] close(4) = 0 [ 233.940095][ T7869] REISERFS (device loop1): Using r5 hash to sort names [ 233.954225][ T7870] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 233.960444][ T7869] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7870] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7870] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7867] <... futex resumed>) = 0 [pid 7867] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7870] <... futex resumed>) = 0 [pid 7867] <... futex resumed>) = 1 [pid 7870] mkdir("./file1", 000) = 0 [pid 7867] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7870] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7870] <... futex resumed>) = 0 [pid 7870] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7867] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7870] <... futex resumed>) = 0 [pid 7867] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7870] mkdir("./bus", 000) = 0 [pid 7870] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7867] <... futex resumed>) = 0 [ 234.003676][ T7868] overlayfs: upper fs needs to support d_type. [ 234.010216][ T7868] overlayfs: upper fs does not support tmpfile. [ 234.027691][ T7868] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 234.029861][ T7869] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7867] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7870] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7867] <... futex resumed>) = 0 [pid 7867] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7865] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7865] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7865] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7865] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7876], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7876 [pid 7865] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7865] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7876 attached [pid 7867] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7876] set_robust_list(0x7fe5804599e0, 24 [pid 7867] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7876] <... set_robust_list resumed>) = 0 [pid 7867] <... futex resumed>) = 0 [pid 7876] mkdir(".", 0777 [ 234.052305][ T7870] overlayfs: upper fs needs to support d_type. [ 234.058538][ T7870] overlayfs: upper fs does not support tmpfile. [ 234.077117][ T7868] overlayfs: failed to resolve './file0': -2 [pid 7867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7876] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7867] <... mmap resumed>) = 0x7fe580439000 [pid 7876] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7867] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7868] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7867] <... mprotect resumed>) = 0 [pid 7867] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7869] <... mount resumed>) = 0 [pid 7868] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7877 attached [pid 7869] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5005] <... umount2 resumed>) = 0 [pid 7869] <... openat resumed>) = 3 [pid 7869] chdir("./bus") = 0 [pid 7869] ioctl(4, LOOP_CLR_FD) = 0 [pid 7869] close(4 [pid 7868] <... futex resumed>) = 0 [pid 7877] set_robust_list(0x7fe5804599e0, 24 [pid 7869] <... close resumed>) = 0 [pid 7868] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7867] <... clone resumed>, parent_tid=[7877], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7877 [pid 5005] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7869] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7866] <... futex resumed>) = 0 [pid 7869] mkdir("./file1", 000 [pid 7866] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7869] <... mkdir resumed>) = 0 [pid 7866] <... futex resumed>) = 0 [pid 7869] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7866] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7869] <... futex resumed>) = 0 [pid 7866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7877] <... set_robust_list resumed>) = 0 [pid 7869] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7867] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7866] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7866] <... futex resumed>) = 0 [pid 7869] mkdir("./bus", 000 [pid 7866] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7877] mkdir(".", 0777 [pid 7867] <... futex resumed>) = 0 [pid 5005] lstat("./168/bus", [pid 7877] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7869] <... mkdir resumed>) = 0 [pid 7867] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7877] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7869] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7869] <... futex resumed>) = 1 [pid 7866] <... futex resumed>) = 0 [pid 7869] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7866] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 234.108085][ T7870] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 234.123141][ T7876] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 234.125026][ T7870] overlayfs: failed to resolve './file0': -2 [pid 7866] <... futex resumed>) = 0 [pid 7869] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7866] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7877] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7876] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./168/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7877] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7876] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... openat resumed>) = 4 [pid 7877] <... futex resumed>) = 1 [pid 7867] <... futex resumed>) = 0 [pid 7865] <... futex resumed>) = 0 [pid 5005] fstat(4, [pid 7876] <... futex resumed>) = 1 [pid 7877] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7865] exit_group(0) = ? [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7868] <... futex resumed>) = ? [pid 7868] +++ exited with 0 +++ [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./168/bus") = 0 [pid 5005] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./168/binderfs" [pid 7876] +++ exited with 0 +++ [pid 7865] +++ exited with 0 +++ [pid 5005] <... unlink resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7865, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... close resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] rmdir("./168" [pid 5007] <... openat resumed>) = 3 [pid 5005] <... rmdir resumed>) = 0 [pid 7870] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5007] fstat(3, [pid 5005] mkdir("./169", 0777 [pid 7870] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7870] <... futex resumed>) = 0 [pid 5007] getdents64(3, [pid 5005] <... mkdir resumed>) = 0 [pid 7870] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7867] exit_group(0) = ? [pid 7870] <... futex resumed>) = ? [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7877] <... futex resumed>) = ? [pid 7877] +++ exited with 0 +++ [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 3 [pid 7870] +++ exited with 0 +++ [pid 7867] +++ exited with 0 +++ [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7867, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] close(3 [pid 7866] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] <... close resumed>) = 0 [pid 7866] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7866] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7866] <... mmap resumed>) = 0x7fe580439000 [pid 5008] <... openat resumed>) = 3 [pid 7866] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] fstat(3, [pid 7866] <... mprotect resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7866] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] getdents64(3, [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7878 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7866] <... clone resumed>, parent_tid=[7879], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7879 [pid 5008] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7866] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 234.166505][ T7869] overlayfs: upper fs needs to support d_type. [ 234.167156][ T7877] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 234.174601][ T7869] overlayfs: upper fs does not support tmpfile. [ 234.201021][ T7869] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7866] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7879 attached ./strace-static-x86_64: Process 7878 attached [pid 7878] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7878] chdir("./169") = 0 [pid 7878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7878] setpgid(0, 0) = 0 [pid 7878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7878] write(3, "1000", 4) = 4 [pid 7878] close(3) = 0 [pid 7878] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7878] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7878] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7878] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7880], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7880 [pid 7878] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7878] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7880 attached [pid 7880] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7880] memfd_create("syzkaller", 0) = 3 [pid 7879] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7879] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7879] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 234.237097][ T7869] overlayfs: failed to resolve './file0': -2 [ 234.270679][ T7879] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7869] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7869] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7869] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... umount2 resumed>) = 0 [pid 7879] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7879] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7866] <... futex resumed>) = 0 [pid 7879] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7866] exit_group(0 [pid 5007] <... umount2 resumed>) = 0 [pid 7879] <... futex resumed>) = ? [pid 7869] <... futex resumed>) = ? [pid 7866] <... exit_group resumed>) = ? [pid 5008] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7879] +++ exited with 0 +++ [pid 7869] +++ exited with 0 +++ [pid 7866] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7866, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... restart_syscall resumed>) = 0 [pid 5008] lstat("./169/bus", [pid 5007] lstat("./167/bus", [pid 5004] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] getdents64(3, [pid 5008] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] openat(AT_FDCWD, "./167/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] <... openat resumed>) = 4 [pid 5004] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] fstat(4, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./169/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] getdents64(4, [pid 5008] <... openat resumed>) = 4 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] fstat(4, [pid 5007] getdents64(4, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(4, [pid 5007] close(4 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] <... close resumed>) = 0 [pid 5008] getdents64(4, [pid 5007] rmdir("./167/bus" [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5008] close(4 [pid 5007] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] rmdir("./169/bus" [pid 5007] lstat("./167/binderfs", [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] unlink("./167/binderfs" [pid 7880] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... unlink resumed>) = 0 [pid 5008] lstat("./169/binderfs", [pid 5007] getdents64(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] unlink("./169/binderfs" [pid 5007] close(3 [pid 5008] <... unlink resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5008] getdents64(3, [pid 5007] rmdir("./167" [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5008] close(3 [pid 5007] mkdir("./168", 0777 [pid 5008] <... close resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5008] rmdir("./169" [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5008] mkdir("./170", 0777 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5007] close(3 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7881 [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7882 ./strace-static-x86_64: Process 7882 attached [pid 7882] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7882] chdir("./170") = 0 [pid 7882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7882] setpgid(0, 0) = 0 [pid 7882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7882] write(3, "1000", 4) = 4 [pid 7882] close(3./strace-static-x86_64: Process 7881 attached ) = 0 [pid 7882] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7882] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7881] set_robust_list(0x5555568c85e0, 24 [pid 7882] <... mmap resumed>) = 0x7fe58845a000 [pid 7882] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7881] <... set_robust_list resumed>) = 0 [pid 7882] <... mprotect resumed>) = 0 [pid 7882] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7881] chdir("./168" [pid 7882] <... clone resumed>, parent_tid=[7883], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7883 [pid 7881] <... chdir resumed>) = 0 [pid 7882] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7882] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7881] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7883 attached [pid 7883] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7881] <... prctl resumed>) = 0 [pid 7881] setpgid(0, 0) = 0 [pid 7881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7883] memfd_create("syzkaller", 0 [pid 7881] write(3, "1000", 4) = 4 [pid 7883] <... memfd_create resumed>) = 3 [pid 7883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7881] close(3 [pid 7883] <... mmap resumed>) = 0x7fe58005a000 [pid 7881] <... close resumed>) = 0 [pid 7881] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7881] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5004] <... umount2 resumed>) = 0 [pid 7881] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7881] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7884], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7884 [pid 7881] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7881] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7884 attached [pid 7884] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5004] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7884] memfd_create("syzkaller", 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7884] <... memfd_create resumed>) = 3 [pid 5004] lstat("./166/bus", [pid 7884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7884] <... mmap resumed>) = 0x7fe58005a000 [pid 5004] umount2("./166/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./166/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./166/bus") = 0 [pid 5004] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./166/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./166") = 0 [pid 5004] mkdir("./167", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 7880] <... write resumed>) = 4194304 [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7885 ./strace-static-x86_64: Process 7885 attached [pid 7885] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7880] munmap(0x7fe58005a000, 4194304 [pid 7885] chdir("./167") = 0 [pid 7885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7885] setpgid(0, 0) = 0 [pid 7885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7880] <... munmap resumed>) = 0 [pid 7885] write(3, "1000", 4 [pid 7880] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7885] <... write resumed>) = 4 [pid 7880] <... openat resumed>) = 4 [pid 7885] close(3 [pid 7880] ioctl(4, LOOP_SET_FD, 3 [pid 7885] <... close resumed>) = 0 [pid 7883] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7885] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7885] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7885] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7885] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7886], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7886 [pid 7885] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7880] <... ioctl resumed>) = 0 [pid 7885] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7880] close(3./strace-static-x86_64: Process 7886 attached [pid 7884] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7880] <... close resumed>) = 0 [pid 7880] mkdir("./bus", 0777) = 0 [pid 7880] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7886] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7886] memfd_create("syzkaller", 0) = 3 [pid 7886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 234.523691][ T7880] loop2: detected capacity change from 0 to 8192 [ 234.542392][ T7880] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 234.587051][ T7880] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 234.620788][ T7880] REISERFS (device loop2): using ordered data mode [ 234.627469][ T7880] reiserfs: using flush barriers [pid 7886] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7883] <... write resumed>) = 4194304 [pid 7884] <... write resumed>) = 4194304 [pid 7883] munmap(0x7fe58005a000, 4194304 [pid 7884] munmap(0x7fe58005a000, 4194304) = 0 [pid 7883] <... munmap resumed>) = 0 [pid 7884] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7884] ioctl(4, LOOP_SET_FD, 3 [pid 7883] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7883] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7884] <... ioctl resumed>) = 0 [pid 7883] close(3 [pid 7884] close(3 [pid 7883] <... close resumed>) = 0 [pid 7884] <... close resumed>) = 0 [pid 7883] mkdir("./bus", 0777 [pid 7884] mkdir("./bus", 0777 [pid 7883] <... mkdir resumed>) = 0 [pid 7884] <... mkdir resumed>) = 0 [pid 7883] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 234.633795][ T7880] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 234.652415][ T7880] REISERFS (device loop2): checking transaction log (loop2) [ 234.655304][ T7884] loop4: detected capacity change from 0 to 8192 [ 234.667785][ T7883] loop5: detected capacity change from 0 to 8192 [ 234.671282][ T7880] REISERFS (device loop2): Using r5 hash to sort names [pid 7884] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7880] <... mount resumed>) = 0 [pid 7880] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7880] chdir("./bus") = 0 [pid 7880] ioctl(4, LOOP_CLR_FD) = 0 [pid 7880] close(4) = 0 [pid 7880] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7878] <... futex resumed>) = 0 [pid 7878] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7878] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7880] <... futex resumed>) = 1 [pid 7880] mkdir("./file1", 000) = 0 [pid 7880] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7878] <... futex resumed>) = 0 [pid 7878] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7878] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7880] <... futex resumed>) = 1 [pid 7880] mkdir("./bus", 000) = 0 [pid 7880] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7878] <... futex resumed>) = 0 [pid 7878] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7878] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7880] <... futex resumed>) = 1 [ 234.686980][ T7880] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 234.700195][ T7883] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 234.700785][ T7880] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 234.713702][ T7884] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7880] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,") = -1 ENOENT (No such file or directory) [pid 7886] <... write resumed>) = 4194304 [ 234.737248][ T7880] overlayfs: upper fs needs to support d_type. [ 234.743978][ T7880] overlayfs: upper fs does not support tmpfile. [ 234.751695][ T7880] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 234.760689][ T7880] overlayfs: failed to resolve './file0': -2 [ 234.767032][ T7883] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 234.776685][ T7883] REISERFS (device loop5): using ordered data mode [pid 7886] munmap(0x7fe58005a000, 4194304 [pid 7880] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7886] <... munmap resumed>) = 0 [pid 7880] <... futex resumed>) = 1 [pid 7878] <... futex resumed>) = 0 [pid 7886] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7880] mkdir(".", 0777 [pid 7878] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7886] <... openat resumed>) = 4 [pid 7880] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7878] <... futex resumed>) = 0 [pid 7886] ioctl(4, LOOP_SET_FD, 3 [pid 7878] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7880] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7886] <... ioctl resumed>) = 0 [pid 7886] close(3) = 0 [pid 7886] mkdir("./bus", 0777) = 0 [ 234.783918][ T7883] reiserfs: using flush barriers [ 234.791835][ T7884] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 234.793336][ T7886] loop1: detected capacity change from 0 to 8192 [ 234.801426][ T7884] REISERFS (device loop4): using ordered data mode [ 234.808672][ T7883] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 234.814741][ T7884] reiserfs: using flush barriers [pid 7886] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7880] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7880] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7878] <... futex resumed>) = 0 [ 234.839616][ T7880] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 234.840092][ T7883] REISERFS (device loop5): checking transaction log (loop5) [ 234.855540][ T7884] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7880] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7878] exit_group(0 [pid 7880] <... futex resumed>) = ? [pid 7878] <... exit_group resumed>) = ? [pid 7880] +++ exited with 0 +++ [pid 7878] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7878, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=18 /* 0.18 s */} --- [pid 5005] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 234.880150][ T7886] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 234.895411][ T7886] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 234.896173][ T7884] REISERFS (device loop4): checking transaction log (loop4) [ 234.905446][ T7886] REISERFS (device loop1): using ordered data mode [ 234.912371][ T7883] REISERFS (device loop5): Using r5 hash to sort names [ 234.919189][ T7886] reiserfs: using flush barriers [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7883] <... mount resumed>) = 0 [pid 7883] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7883] chdir("./bus") = 0 [pid 7883] ioctl(4, LOOP_CLR_FD) = 0 [pid 7883] close(4 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7883] <... close resumed>) = 0 [pid 7883] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7882] <... futex resumed>) = 0 [pid 7882] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7882] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7883] <... futex resumed>) = 1 [pid 7883] mkdir("./file1", 000) = 0 [pid 7883] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7882] <... futex resumed>) = 0 [pid 7882] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7882] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7883] <... futex resumed>) = 1 [pid 7883] mkdir("./bus", 000) = 0 [pid 7883] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7882] <... futex resumed>) = 0 [pid 7882] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7882] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7883] <... futex resumed>) = 1 [ 234.925982][ T7883] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 234.932027][ T7886] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 234.943569][ T7883] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 234.960939][ T7884] REISERFS (device loop4): Using r5 hash to sort names [ 234.984005][ T7883] overlayfs: upper fs needs to support d_type. [pid 7883] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7882] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7882] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7882] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7882] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7882] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7891], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7891 [pid 7882] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 234.991231][ T7883] overlayfs: upper fs does not support tmpfile. [ 234.992027][ T7884] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.002478][ T7883] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 235.031613][ T7886] REISERFS (device loop1): checking transaction log (loop1) [pid 7882] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7891 attached [pid 7891] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7891] mkdir(".", 0777) = -1 EEXIST (File exists) [ 235.034830][ T7883] overlayfs: failed to resolve './file0': -2 [ 235.048249][ T7886] REISERFS (device loop1): Using r5 hash to sort names [ 235.060552][ T7886] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.074641][ T7891] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7891] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 7891] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7882] <... futex resumed>) = 0 [pid 7891] <... futex resumed>) = 1 [pid 7891] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7884] <... mount resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./169/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./169/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7883] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7886] <... mount resumed>) = 0 [pid 7884] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7883] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] getdents64(4, [pid 7883] <... futex resumed>) = 0 [pid 7883] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7882] exit_group(0 [pid 7891] <... futex resumed>) = ? [pid 7883] <... futex resumed>) = ? [pid 7882] <... exit_group resumed>) = ? [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7891] +++ exited with 0 +++ [pid 7883] +++ exited with 0 +++ [pid 7886] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7884] <... openat resumed>) = 3 [pid 7884] chdir("./bus" [pid 7886] chdir("./bus" [pid 7884] <... chdir resumed>) = 0 [pid 7886] <... chdir resumed>) = 0 [pid 7884] ioctl(4, LOOP_CLR_FD [pid 7886] ioctl(4, LOOP_CLR_FD [pid 7884] <... ioctl resumed>) = 0 [pid 7886] <... ioctl resumed>) = 0 [pid 7882] +++ exited with 0 +++ [pid 7886] close(4 [pid 7884] close(4 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7882, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5005] getdents64(4, [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 7886] <... close resumed>) = 0 [pid 7884] <... close resumed>) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5008] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] rmdir("./169/bus" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... rmdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7886] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7884] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7886] <... futex resumed>) = 1 [pid 7885] <... futex resumed>) = 0 [pid 7884] <... futex resumed>) = 1 [pid 7881] <... futex resumed>) = 0 [pid 5008] fstat(3, [pid 5005] lstat("./169/binderfs", [pid 7886] mkdir("./file1", 000 [pid 7885] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7884] mkdir("./file1", 000 [pid 7881] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7886] <... mkdir resumed>) = 0 [pid 7885] <... futex resumed>) = 0 [pid 7884] <... mkdir resumed>) = 0 [pid 7881] <... futex resumed>) = 0 [pid 5008] getdents64(3, [pid 5005] unlink("./169/binderfs" [pid 7886] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7885] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7884] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7881] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... unlink resumed>) = 0 [pid 7886] <... futex resumed>) = 0 [pid 7885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7884] <... futex resumed>) = 0 [pid 7881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(3, [pid 7886] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7885] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7884] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7881] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7885] <... futex resumed>) = 0 [pid 7884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7881] <... futex resumed>) = 0 [pid 5005] close(3 [pid 7886] mkdir("./bus", 000 [pid 7885] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 235.081338][ T7884] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 235.090645][ T7886] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7884] mkdir("./bus", 000 [pid 7881] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... close resumed>) = 0 [pid 7886] <... mkdir resumed>) = 0 [pid 7884] <... mkdir resumed>) = 0 [pid 5005] rmdir("./169" [pid 7886] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7884] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... rmdir resumed>) = 0 [pid 7886] <... futex resumed>) = 1 [pid 7885] <... futex resumed>) = 0 [pid 7884] <... futex resumed>) = 1 [pid 7881] <... futex resumed>) = 0 [pid 5005] mkdir("./170", 0777 [pid 7886] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7885] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7884] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7881] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 7886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7885] <... futex resumed>) = 0 [pid 7884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7881] <... futex resumed>) = 0 [pid 5008] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7886] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7885] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7884] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7881] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... openat resumed>) = 3 [pid 5008] lstat("./170/bus", [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./170/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7892 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./170/bus") = 0 [pid 5008] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./170/binderfs", ./strace-static-x86_64: Process 7892 attached {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7892] set_robust_list(0x5555568c85e0, 24 [pid 5008] unlink("./170/binderfs" [pid 7892] <... set_robust_list resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 7892] chdir("./170" [pid 5008] getdents64(3, [pid 7892] <... chdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] close(3 [pid 7892] <... prctl resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 7892] setpgid(0, 0 [pid 5008] rmdir("./170" [pid 7892] <... setpgid resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] mkdir("./171", 0777 [pid 7892] <... openat resumed>) = 3 [pid 5008] <... mkdir resumed>) = 0 [pid 7892] write(3, "1000", 4 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7892] <... write resumed>) = 4 [pid 5008] <... openat resumed>) = 3 [pid 7892] close(3 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7892] <... close resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7892] symlink("/dev/binderfs", "./binderfs" [pid 5008] close(3 [pid 7892] <... symlink resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 7892] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7892] <... futex resumed>) = 0 [pid 7892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7893 [pid 7892] <... mmap resumed>) = 0x7fe58845a000 [pid 7892] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [ 235.186143][ T7886] overlayfs: upper fs needs to support d_type. [ 235.195182][ T7884] overlayfs: upper fs needs to support d_type. [ 235.197423][ T7886] overlayfs: upper fs does not support tmpfile. [ 235.204801][ T7884] overlayfs: upper fs does not support tmpfile. [ 235.223117][ T7886] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7892] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7894], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7894 [pid 7892] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7892] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7893 attached [pid 7893] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7893] chdir("./171") = 0 [pid 7893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7893] setpgid(0, 0) = 0 [pid 7893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7893] write(3, "1000", 4 [pid 7885] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7893] <... write resumed>) = 4 [pid 7885] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7893] close(3 [pid 7885] <... futex resumed>) = 0 [pid 7893] <... close resumed>) = 0 [pid 7885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7894 attached [pid 7893] symlink("/dev/binderfs", "./binderfs" [pid 7885] <... mmap resumed>) = 0x7fe580439000 [pid 7894] set_robust_list(0x7fe58847a9e0, 24 [pid 7893] <... symlink resumed>) = 0 [pid 7885] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7893] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7885] <... mprotect resumed>) = 0 [pid 7893] <... futex resumed>) = 0 [pid 7885] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7885] <... clone resumed>, parent_tid=[7895], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7895 [pid 7893] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7885] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7893] <... mprotect resumed>) = 0 [pid 7885] <... futex resumed>) = 0 [pid 7881] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7893] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7885] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7881] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7893] <... clone resumed>, parent_tid=[7896], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7896 [pid 7881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7893] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7881] <... mmap resumed>) = 0x7fe580439000 [pid 7893] <... futex resumed>) = 0 [pid 7881] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7894] <... set_robust_list resumed>) = 0 [pid 7893] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7881] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7895 attached [pid 7881] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7894] memfd_create("syzkaller", 0./strace-static-x86_64: Process 7896 attached [pid 7895] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7881] <... clone resumed>, parent_tid=[7897], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7897 [pid 7896] set_robust_list(0x7fe58847a9e0, 24 [pid 7894] <... memfd_create resumed>) = 3 [pid 7895] mkdir(".", 0777 [pid 7881] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7895] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7881] <... futex resumed>) = 0 [pid 7895] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7881] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7896] <... set_robust_list resumed>) = 0 [pid 7894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7896] memfd_create("syzkaller", 0) = 3 [pid 7894] <... mmap resumed>) = 0x7fe58005a000 ./strace-static-x86_64: Process 7897 attached [pid 7897] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7897] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7897] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7895] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7895] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7885] <... futex resumed>) = 0 [pid 7895] <... futex resumed>) = 1 [ 235.237998][ T7884] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 235.248329][ T7886] overlayfs: failed to resolve './file0': -2 [ 235.268703][ T7895] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7895] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7886] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7886] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7886] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7885] exit_group(0 [pid 7895] <... futex resumed>) = ? [pid 7886] <... futex resumed>) = ? [pid 7885] <... exit_group resumed>) = ? [pid 7884] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7895] +++ exited with 0 +++ [pid 7886] +++ exited with 0 +++ [pid 7885] +++ exited with 0 +++ [pid 7884] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7885, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 7884] <... futex resumed>) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 7884] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7897] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7896] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7897] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7881] <... futex resumed>) = 0 [pid 7897] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7881] exit_group(0 [pid 7897] <... futex resumed>) = ? [pid 7884] <... futex resumed>) = ? [pid 7881] <... exit_group resumed>) = ? [pid 7897] +++ exited with 0 +++ [pid 7884] +++ exited with 0 +++ [pid 7881] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7881, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 235.294159][ T7884] overlayfs: failed to resolve './file0': -2 [ 235.298223][ T7897] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5007] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7894] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... openat resumed>) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7896] <... write resumed>) = 4194304 [pid 7896] munmap(0x7fe58005a000, 4194304 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./167/bus", [pid 7896] <... munmap resumed>) = 0 [pid 7896] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7896] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./167/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./167/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./167/bus" [pid 7896] <... ioctl resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5004] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./167/binderfs", [pid 7894] <... write resumed>) = 4194304 [pid 7896] close(3 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7896] <... close resumed>) = 0 [pid 7894] munmap(0x7fe58005a000, 4194304 [pid 7896] mkdir("./bus", 0777 [pid 5004] unlink("./167/binderfs") = 0 [pid 7894] <... munmap resumed>) = 0 [pid 7896] <... mkdir resumed>) = 0 [pid 7894] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7896] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7894] <... openat resumed>) = 4 [pid 5004] getdents64(3, [pid 7894] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./167") = 0 [pid 5004] mkdir("./168", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 235.424897][ T7896] loop5: detected capacity change from 0 to 8192 [ 235.457363][ T7894] loop2: detected capacity change from 0 to 8192 [pid 5004] close(3 [pid 5007] <... umount2 resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 7894] <... ioctl resumed>) = 0 [pid 5007] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7899 [pid 7894] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7894] <... close resumed>) = 0 [pid 5007] lstat("./168/bus", [pid 7894] mkdir("./bus", 0777 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7894] <... mkdir resumed>) = 0 [pid 5007] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7894] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7899 attached [pid 5007] openat(AT_FDCWD, "./168/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7899] set_robust_list(0x5555568c85e0, 24 [pid 5007] <... openat resumed>) = 4 [pid 7899] <... set_robust_list resumed>) = 0 [pid 5007] fstat(4, [pid 7899] chdir("./168" [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7899] <... chdir resumed>) = 0 [pid 5007] getdents64(4, [pid 7899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7899] <... prctl resumed>) = 0 [ 235.470725][ T7896] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.484088][ T7896] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 235.494050][ T7896] REISERFS (device loop5): using ordered data mode [ 235.501026][ T7896] reiserfs: using flush barriers [ 235.507369][ T7894] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5007] getdents64(4, [pid 7899] setpgid(0, 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7899] <... setpgid resumed>) = 0 [pid 5007] close(4 [pid 7899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... close resumed>) = 0 [pid 7899] <... openat resumed>) = 3 [pid 5007] rmdir("./168/bus" [pid 7899] write(3, "1000", 4 [pid 5007] <... rmdir resumed>) = 0 [pid 7899] <... write resumed>) = 4 [pid 5007] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7899] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7899] <... close resumed>) = 0 [pid 5007] lstat("./168/binderfs", [pid 7899] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7899] <... symlink resumed>) = 0 [pid 5007] unlink("./168/binderfs" [pid 7899] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... unlink resumed>) = 0 [pid 7899] <... futex resumed>) = 0 [pid 5007] getdents64(3, [pid 7899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7899] <... mmap resumed>) = 0x7fe58845a000 [pid 5007] close(3 [pid 7899] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] <... close resumed>) = 0 [pid 7899] <... mprotect resumed>) = 0 [pid 5007] rmdir("./168" [pid 7899] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... rmdir resumed>) = 0 [pid 5007] mkdir("./169", 0777 [pid 7899] <... clone resumed>, parent_tid=[7901], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7901 [pid 5007] <... mkdir resumed>) = 0 [pid 7899] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7899] <... futex resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 7899] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3./strace-static-x86_64: Process 7901 attached ) = 0 [ 235.508132][ T7896] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 235.538344][ T7896] REISERFS (device loop5): checking transaction log (loop5) [ 235.547471][ T7896] REISERFS (device loop5): Using r5 hash to sort names [ 235.555146][ T7896] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7901] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7901] <... set_robust_list resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7902 [pid 7901] memfd_create("syzkaller", 0) = 3 [pid 7901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 7902 attached [pid 7902] set_robust_list(0x5555568c85e0, 24 [pid 7896] <... mount resumed>) = 0 [pid 7902] <... set_robust_list resumed>) = 0 [pid 7902] chdir("./169" [pid 7896] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7902] <... chdir resumed>) = 0 [pid 7902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7902] setpgid(0, 0) = 0 [pid 7902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7896] <... openat resumed>) = 3 [pid 7902] write(3, "1000", 4 [pid 7896] chdir("./bus" [pid 7902] <... write resumed>) = 4 [pid 7902] close(3) = 0 [pid 7902] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7902] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7896] <... chdir resumed>) = 0 [pid 7902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7896] ioctl(4, LOOP_CLR_FD [pid 7902] <... mmap resumed>) = 0x7fe58845a000 [pid 7896] <... ioctl resumed>) = 0 [pid 7902] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7902] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7903], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7903 [pid 7902] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7902] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7903 attached [pid 7903] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7903] memfd_create("syzkaller", 0) = 3 [pid 7903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7896] close(4) = 0 [pid 7896] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7893] <... futex resumed>) = 0 [pid 7896] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7893] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7893] <... futex resumed>) = 0 [ 235.563630][ T7894] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 235.576991][ T7896] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 235.588063][ T7894] REISERFS (device loop2): using ordered data mode [ 235.595400][ T7894] reiserfs: using flush barriers [ 235.603058][ T7894] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7896] mkdir("./file1", 000 [pid 7893] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7896] <... mkdir resumed>) = 0 [pid 7896] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7893] <... futex resumed>) = 0 [pid 7901] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7896] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7893] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7893] <... futex resumed>) = 0 [pid 7896] mkdir("./bus", 000 [pid 7893] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7896] <... mkdir resumed>) = 0 [pid 7896] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7893] <... futex resumed>) = 0 [pid 7896] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7893] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7893] <... futex resumed>) = 0 [pid 7896] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 235.651555][ T7894] REISERFS (device loop2): checking transaction log (loop2) [ 235.661058][ T7894] REISERFS (device loop2): Using r5 hash to sort names [ 235.669783][ T7894] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7893] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7903] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7894] <... mount resumed>) = 0 [pid 7894] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7893] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7894] <... openat resumed>) = 3 [pid 7893] <... futex resumed>) = 0 [pid 7894] chdir("./bus" [pid 7893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7894] <... chdir resumed>) = 0 [pid 7894] ioctl(4, LOOP_CLR_FD [pid 7893] <... mmap resumed>) = 0x7fe580439000 [pid 7893] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7894] <... ioctl resumed>) = 0 [ 235.698613][ T7896] overlayfs: upper fs needs to support d_type. [ 235.711217][ T7896] overlayfs: upper fs does not support tmpfile. [ 235.718193][ T7896] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 235.725341][ T7894] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7894] close(4 [pid 7893] <... mprotect resumed>) = 0 [pid 7893] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7894] <... close resumed>) = 0 ./strace-static-x86_64: Process 7904 attached [pid 7894] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7904] set_robust_list(0x7fe5804599e0, 24 [pid 7894] <... futex resumed>) = 1 [pid 7893] <... clone resumed>, parent_tid=[7904], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7904 [pid 7892] <... futex resumed>) = 0 [pid 7904] <... set_robust_list resumed>) = 0 [pid 7894] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7893] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7892] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7904] mkdir(".", 0777 [pid 7894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7893] <... futex resumed>) = 0 [pid 7892] <... futex resumed>) = 0 [pid 7904] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7894] mkdir("./file1", 000 [pid 7893] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7892] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7904] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7894] <... mkdir resumed>) = 0 [pid 7894] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7892] <... futex resumed>) = 0 [pid 7894] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 7892] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7894] mkdir("./bus", 000 [pid 7892] <... futex resumed>) = 0 [pid 7894] <... mkdir resumed>) = 0 [pid 7892] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7894] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7894] <... futex resumed>) = 0 [pid 7892] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7894] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7892] <... futex resumed>) = 0 [pid 7901] <... write resumed>) = 4194304 [pid 7901] munmap(0x7fe58005a000, 4194304 [pid 7892] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7901] <... munmap resumed>) = 0 [pid 7901] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 235.751697][ T7896] overlayfs: failed to resolve './file0': -2 [ 235.769960][ T7904] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 235.786420][ T7894] overlayfs: upper fs needs to support d_type. [pid 7901] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7901] close(3) = 0 [pid 7901] mkdir("./bus", 0777 [pid 7896] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7896] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7896] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7901] <... mkdir resumed>) = 0 [pid 7901] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7903] <... write resumed>) = 4194304 [pid 7904] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7904] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 235.807865][ T7901] loop1: detected capacity change from 0 to 8192 [ 235.811385][ T7894] overlayfs: upper fs does not support tmpfile. [ 235.828137][ T7901] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.828767][ T7894] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 235.841788][ T7901] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7904] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7903] munmap(0x7fe58005a000, 4194304 [pid 7893] <... futex resumed>) = 0 [pid 7903] <... munmap resumed>) = 0 [pid 7893] exit_group(0 [pid 7892] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7904] <... futex resumed>) = ? [pid 7903] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7896] <... futex resumed>) = ? [pid 7893] <... exit_group resumed>) = ? [pid 7892] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7904] +++ exited with 0 +++ [pid 7903] <... openat resumed>) = 4 [pid 7896] +++ exited with 0 +++ [pid 7893] +++ exited with 0 +++ [pid 7892] <... futex resumed>) = 0 [pid 7903] ioctl(4, LOOP_SET_FD, 3 [pid 7892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7893, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7892] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 7892] <... mprotect resumed>) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 7892] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7906], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7906 [pid 5008] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7892] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7892] <... futex resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7892] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7906 attached [pid 7894] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 235.850295][ T7894] overlayfs: failed to resolve './file0': -2 [ 235.857914][ T7901] REISERFS (device loop1): using ordered data mode [ 235.869909][ T7901] reiserfs: using flush barriers [ 235.873087][ T7903] loop4: detected capacity change from 0 to 8192 [ 235.876032][ T7901] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 235.897807][ T7901] REISERFS (device loop1): checking transaction log (loop1) [pid 7894] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7906] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7894] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7906] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7906] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7903] <... ioctl resumed>) = 0 [pid 7901] <... mount resumed>) = 0 [pid 7903] close(3 [pid 7901] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7903] <... close resumed>) = 0 [pid 7901] <... openat resumed>) = 3 [pid 7903] mkdir("./bus", 0777 [pid 7901] chdir("./bus" [pid 7903] <... mkdir resumed>) = 0 [pid 7901] <... chdir resumed>) = 0 [pid 7903] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7901] ioctl(4, LOOP_CLR_FD) = 0 [pid 7901] close(4) = 0 [pid 7901] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7899] <... futex resumed>) = 0 [pid 7901] mkdir("./file1", 000 [pid 7899] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7901] <... mkdir resumed>) = 0 [pid 7899] <... futex resumed>) = 0 [pid 7901] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7899] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7901] <... futex resumed>) = 0 [pid 7899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7901] mkdir("./bus", 000 [pid 7899] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7901] <... mkdir resumed>) = 0 [pid 7899] <... futex resumed>) = 0 [pid 7901] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7899] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7901] <... futex resumed>) = 0 [pid 7899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7901] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7899] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7899] <... futex resumed>) = 0 [pid 7906] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 235.906256][ T7901] REISERFS (device loop1): Using r5 hash to sort names [ 235.913438][ T7901] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.926356][ T7901] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 235.938219][ T7906] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7901] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7899] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7906] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = 0 [pid 7906] <... futex resumed>) = 1 [pid 7892] <... futex resumed>) = 0 [pid 5008] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7906] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7892] exit_group(0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7906] <... futex resumed>) = ? [pid 7894] <... futex resumed>) = ? [pid 7892] <... exit_group resumed>) = ? [pid 5008] lstat("./171/bus", [pid 7906] +++ exited with 0 +++ [pid 7894] +++ exited with 0 +++ [pid 7892] +++ exited with 0 +++ [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7892, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=16 /* 0.16 s */} --- [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./171/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] fstat(4, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 5005] <... openat resumed>) = 3 [pid 5005] fstat(3, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [ 235.956564][ T7903] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.981896][ T7901] overlayfs: upper fs needs to support d_type. [ 235.988113][ T7901] overlayfs: upper fs does not support tmpfile. [ 235.994723][ T7903] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5008] close(4 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./171/bus") = 0 [pid 5008] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7901] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7899] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] lstat("./171/binderfs", [pid 7899] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7899] <... futex resumed>) = 0 [pid 5008] unlink("./171/binderfs" [pid 7899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... unlink resumed>) = 0 [pid 7899] <... mmap resumed>) = 0x7fe580439000 [pid 5008] getdents64(3, [pid 7899] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7899] <... mprotect resumed>) = 0 [pid 5008] close(3 [pid 7899] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./171" [pid 7899] <... clone resumed>, parent_tid=[7908], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7908 [pid 5008] <... rmdir resumed>) = 0 [pid 7899] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] mkdir("./172", 0777 [pid 7899] <... futex resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 7901] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7899] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7901] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3./strace-static-x86_64: Process 7908 attached [pid 7901] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... close resumed>) = 0 [pid 7908] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7908] mkdir(".", 0777) = -1 EEXIST (File exists) [ 236.013437][ T7901] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 236.024456][ T7901] overlayfs: failed to resolve './file0': -2 [ 236.031584][ T7903] REISERFS (device loop4): using ordered data mode [ 236.040023][ T7903] reiserfs: using flush barriers [pid 7908] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7909 ./strace-static-x86_64: Process 7909 attached [pid 7909] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7909] chdir("./172") = 0 [pid 7909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7909] setpgid(0, 0) = 0 [ 236.051733][ T7903] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.061964][ T7908] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 236.091910][ T7903] REISERFS (device loop4): checking transaction log (loop4) [ 236.100525][ T7903] REISERFS (device loop4): Using r5 hash to sort names [pid 7909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7909] write(3, "1000", 4) = 4 [pid 7909] close(3) = 0 [pid 7909] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7909] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7909] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7909] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7910], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7910 [pid 7909] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7909] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7903] <... mount resumed>) = 0 ./strace-static-x86_64: Process 7910 attached [pid 7903] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7910] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7908] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7903] <... openat resumed>) = 3 [pid 7903] chdir("./bus" [pid 7910] memfd_create("syzkaller", 0) = 3 [pid 7910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7903] <... chdir resumed>) = 0 [pid 7903] ioctl(4, LOOP_CLR_FD [pid 7908] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7903] <... ioctl resumed>) = 0 [pid 7908] <... futex resumed>) = 1 [pid 7899] <... futex resumed>) = 0 [pid 7899] exit_group(0 [pid 7903] close(4 [pid 7901] <... futex resumed>) = ? [pid 7899] <... exit_group resumed>) = ? [pid 7903] <... close resumed>) = 0 [pid 7901] +++ exited with 0 +++ [pid 5005] <... umount2 resumed>) = 0 [pid 7908] +++ exited with 0 +++ [pid 7899] +++ exited with 0 +++ [pid 7903] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7899, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 7903] <... futex resumed>) = 1 [pid 7902] <... futex resumed>) = 0 [pid 7902] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7902] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7903] mkdir("./file1", 000 [pid 5005] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7903] <... mkdir resumed>) = 0 [pid 5004] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7903] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7903] <... futex resumed>) = 1 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7902] <... futex resumed>) = 0 [pid 7902] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7902] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7903] mkdir("./bus", 000 [pid 5004] <... openat resumed>) = 3 [pid 7903] <... mkdir resumed>) = 0 [ 236.108479][ T7903] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 236.122202][ T7903] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5004] fstat(3, [pid 7903] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, [pid 7903] <... futex resumed>) = 1 [pid 7902] <... futex resumed>) = 0 [pid 5005] lstat("./170/bus", [pid 7903] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7902] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7902] <... futex resumed>) = 0 [pid 7902] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./170/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./170/bus") = 0 [pid 5005] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./170/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./170") = 0 [pid 5005] mkdir("./171", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 7902] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7902] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 7902] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7902] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7902] <... clone resumed>, parent_tid=[7911], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7911 [pid 5005] close(3 [pid 7902] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7902] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... close resumed>) = 0 ./strace-static-x86_64: Process 7911 attached [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7911] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7911] mkdir(".", 0777) = -1 EEXIST (File exists) [ 236.165147][ T7903] overlayfs: upper fs needs to support d_type. [ 236.197337][ T7903] overlayfs: upper fs does not support tmpfile. [pid 7911] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7912 attached [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7912 [pid 7912] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7912] chdir("./171") = 0 [pid 7912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7912] setpgid(0, 0) = 0 [pid 7912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7912] write(3, "1000", 4) = 4 [pid 7912] close(3) = 0 [pid 7912] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7912] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7912] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7912] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7910] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7913 attached [pid 7911] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7913] set_robust_list(0x7fe58847a9e0, 24 [pid 7911] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7913] <... set_robust_list resumed>) = 0 [pid 7911] <... futex resumed>) = 1 [pid 7902] <... futex resumed>) = 0 [pid 7913] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 236.233981][ T7903] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 236.262192][ T7911] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7911] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7912] <... clone resumed>, parent_tid=[7913], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7913 [pid 5004] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7912] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7912] <... futex resumed>) = 1 [pid 7913] <... futex resumed>) = 0 [pid 7913] memfd_create("syzkaller", 0 [pid 7912] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] lstat("./168/bus", [pid 7913] <... memfd_create resumed>) = 3 [pid 7913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./168/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./168/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7903] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5004] <... openat resumed>) = 4 [pid 5004] fstat(4, [pid 7903] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7903] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, [pid 7902] exit_group(0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7911] <... futex resumed>) = ? [pid 7903] <... futex resumed>) = ? [pid 7902] <... exit_group resumed>) = ? [pid 5004] getdents64(4, [pid 7911] +++ exited with 0 +++ [pid 7903] +++ exited with 0 +++ [pid 7902] +++ exited with 0 +++ [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7902, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5007] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] close(4 [pid 5007] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./168/bus") = 0 [pid 5004] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./168/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [ 236.280683][ T7903] overlayfs: failed to resolve './file0': -2 [pid 5004] close(3) = 0 [pid 5004] rmdir("./168") = 0 [pid 5004] mkdir("./169", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7914 ./strace-static-x86_64: Process 7914 attached [pid 7914] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7914] chdir("./169") = 0 [pid 7914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7914] setpgid(0, 0) = 0 [pid 7914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7914] write(3, "1000", 4 [pid 7910] <... write resumed>) = 4194304 [pid 7914] <... write resumed>) = 4 [pid 7910] munmap(0x7fe58005a000, 4194304 [pid 7914] close(3) = 0 [pid 7914] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7914] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7913] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7910] <... munmap resumed>) = 0 [pid 7914] <... mmap resumed>) = 0x7fe58845a000 [pid 7914] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7910] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7914] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7910] <... openat resumed>) = 4 [pid 7910] ioctl(4, LOOP_SET_FD, 3 [pid 7914] <... clone resumed>, parent_tid=[7915], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7915 [pid 7914] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7915 attached ) = 0 [pid 7915] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7915] memfd_create("syzkaller", 0 [pid 7914] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7915] <... memfd_create resumed>) = 3 [pid 7915] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7910] <... ioctl resumed>) = 0 [pid 7910] close(3) = 0 [pid 7910] mkdir("./bus", 0777 [pid 5007] <... umount2 resumed>) = 0 [pid 7910] <... mkdir resumed>) = 0 [pid 7910] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5007] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./169/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./169/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [ 236.385139][ T7910] loop5: detected capacity change from 0 to 8192 [ 236.418212][ T7910] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5007] rmdir("./169/bus") = 0 [pid 5007] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./169/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./169") = 0 [pid 5007] mkdir("./170", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7917 ./strace-static-x86_64: Process 7917 attached [pid 7917] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7917] chdir("./170") = 0 [pid 7917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7917] setpgid(0, 0) = 0 [pid 7917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7917] write(3, "1000", 4) = 4 [pid 7917] close(3) = 0 [pid 7917] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7917] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7917] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7917] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7918], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7918 [pid 7917] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 236.432446][ T7910] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 236.442121][ T7910] REISERFS (device loop5): using ordered data mode [ 236.449063][ T7910] reiserfs: using flush barriers [ 236.456831][ T7910] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7917] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7918 attached [pid 7918] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7918] memfd_create("syzkaller", 0) = 3 [pid 7918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7913] <... write resumed>) = 4194304 [pid 7913] munmap(0x7fe58005a000, 4194304 [pid 7910] <... mount resumed>) = 0 [pid 7910] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7910] chdir("./bus" [pid 7915] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7913] <... munmap resumed>) = 0 [pid 7910] <... chdir resumed>) = 0 [pid 7913] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7910] ioctl(4, LOOP_CLR_FD [pid 7913] <... openat resumed>) = 4 [pid 7910] <... ioctl resumed>) = 0 [pid 7913] ioctl(4, LOOP_SET_FD, 3 [ 236.481442][ T7910] REISERFS (device loop5): checking transaction log (loop5) [ 236.490134][ T7910] REISERFS (device loop5): Using r5 hash to sort names [ 236.498111][ T7910] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 236.511282][ T7910] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7910] close(4 [pid 7918] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7910] <... close resumed>) = 0 [pid 7910] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7909] <... futex resumed>) = 0 [pid 7910] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7909] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7909] <... futex resumed>) = 0 [pid 7910] mkdir("./file1", 000 [pid 7909] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7910] <... mkdir resumed>) = 0 [pid 7910] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7909] <... futex resumed>) = 0 [pid 7909] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7909] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7910] mkdir("./bus", 000) = 0 [pid 7910] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7913] <... ioctl resumed>) = 0 [pid 7910] <... futex resumed>) = 1 [pid 7909] <... futex resumed>) = 0 [pid 7909] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7909] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7910] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7913] close(3) = 0 [pid 7913] mkdir("./bus", 0777) = 0 [ 236.536709][ T7913] loop2: detected capacity change from 0 to 8192 [ 236.566504][ T7910] overlayfs: upper fs needs to support d_type. [pid 7913] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7909] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7909] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7909] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7909] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7909] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7920], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7920 [pid 7909] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7909] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7918] <... write resumed>) = 4194304 [pid 7918] munmap(0x7fe58005a000, 4194304) = 0 [ 236.574441][ T7913] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.596835][ T7910] overlayfs: upper fs does not support tmpfile. [ 236.621247][ T7913] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 236.630618][ T7913] REISERFS (device loop2): using ordered data mode [pid 7918] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7918] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7920 attached ) = 0 [pid 7918] close(3) = 0 [pid 7918] mkdir("./bus", 0777) = 0 [pid 7918] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7920] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7920] mkdir(".", 0777) = -1 EEXIST (File exists) [ 236.631251][ T7910] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 236.637972][ T7913] reiserfs: using flush barriers [ 236.648229][ T7918] loop4: detected capacity change from 0 to 8192 [ 236.654385][ T7910] overlayfs: failed to resolve './file0': -2 [ 236.661591][ T7913] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7920] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7915] <... write resumed>) = 4194304 [pid 7915] munmap(0x7fe58005a000, 4194304) = 0 [pid 7915] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7915] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7910] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7910] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7915] close(3) = 0 [pid 7915] mkdir("./bus", 0777) = 0 [pid 7915] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7910] <... futex resumed>) = 0 [ 236.685295][ T7918] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.692273][ T7920] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 236.710086][ T7915] loop1: detected capacity change from 0 to 8192 [ 236.720758][ T7913] REISERFS (device loop2): checking transaction log (loop2) [ 236.727024][ T7918] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7920] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7910] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 236.729741][ T7913] REISERFS (device loop2): Using r5 hash to sort names [ 236.738068][ T7918] REISERFS (device loop4): using ordered data mode [ 236.744867][ T7913] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 236.751879][ T7918] reiserfs: using flush barriers [ 236.763912][ T7913] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7920] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7913] <... mount resumed>) = 0 [pid 7920] <... futex resumed>) = 1 [pid 7913] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7909] <... futex resumed>) = 0 [pid 7920] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7913] <... openat resumed>) = 3 [pid 7909] exit_group(0 [ 236.768503][ T7915] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.778710][ T7918] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.791839][ T7915] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 236.807626][ T7918] REISERFS (device loop4): checking transaction log (loop4) [ 236.816494][ T7915] REISERFS (device loop1): using ordered data mode [ 236.829897][ T7915] reiserfs: using flush barriers [pid 7913] chdir("./bus") = 0 [pid 7913] ioctl(4, LOOP_CLR_FD) = 0 [pid 7913] close(4 [pid 7920] <... futex resumed>) = ? [pid 7913] <... close resumed>) = 0 [pid 7910] <... futex resumed>) = ? [pid 7909] <... exit_group resumed>) = ? [pid 7920] +++ exited with 0 +++ [pid 7913] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7912] <... futex resumed>) = 0 [pid 7913] mkdir("./file1", 000 [pid 7912] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7913] <... mkdir resumed>) = 0 [pid 7912] <... futex resumed>) = 0 [pid 7913] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7912] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7913] <... futex resumed>) = 0 [pid 7912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7913] mkdir("./bus", 000 [pid 7912] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7913] <... mkdir resumed>) = 0 [pid 7912] <... futex resumed>) = 0 [pid 7913] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7912] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7913] <... futex resumed>) = 0 [pid 7912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7913] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7912] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7912] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7910] +++ exited with 0 +++ [pid 7909] +++ exited with 0 +++ [ 236.830534][ T7918] REISERFS (device loop4): Using r5 hash to sort names [ 236.842377][ T7918] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 236.856821][ T7915] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.860252][ T7918] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 236.874338][ T7913] overlayfs: upper fs needs to support d_type. [pid 7918] <... mount resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7909, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 7918] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7918] chdir("./bus") = 0 [pid 7918] ioctl(4, LOOP_CLR_FD) = 0 [pid 7918] close(4 [pid 5008] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7918] <... close resumed>) = 0 [pid 7918] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7918] <... futex resumed>) = 1 [pid 7917] <... futex resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7918] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7917] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7918] mkdir("./file1", 000 [pid 7917] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] fstat(3, [pid 7918] <... mkdir resumed>) = 0 [pid 7912] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7918] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(3, [pid 7918] <... futex resumed>) = 1 [pid 7917] <... futex resumed>) = 0 [pid 7918] mkdir("./bus", 000 [pid 7917] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7912] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7918] <... mkdir resumed>) = 0 [pid 7917] <... futex resumed>) = 0 [pid 7912] <... futex resumed>) = 0 [pid 5008] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7918] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7917] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7918] <... futex resumed>) = 0 [pid 7917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7912] <... mmap resumed>) = 0x7fe580439000 [pid 7918] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7917] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7912] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7917] <... futex resumed>) = 0 [pid 7912] <... mprotect resumed>) = 0 [pid 7912] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7923], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7923 [pid 7912] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7912] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7918] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 236.883460][ T7915] REISERFS (device loop1): checking transaction log (loop1) [ 236.889485][ T7913] overlayfs: upper fs does not support tmpfile. [ 236.905839][ T7915] REISERFS (device loop1): Using r5 hash to sort names [ 236.927013][ T7913] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7917] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7923 attached [pid 7913] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7923] set_robust_list(0x7fe5804599e0, 24 [pid 7913] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7923] <... set_robust_list resumed>) = 0 [pid 7913] <... futex resumed>) = 0 [pid 7923] mkdir(".", 0777 [pid 7913] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7923] <... mkdir resumed>) = -1 EEXIST (File exists) [ 236.936547][ T7918] overlayfs: upper fs needs to support d_type. [ 236.944375][ T7913] overlayfs: failed to resolve './file0': -2 [ 236.950605][ T7918] overlayfs: upper fs does not support tmpfile. [ 236.950900][ T7915] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 236.962038][ T7918] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7923] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7917] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7917] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7923] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7917] <... mmap resumed>) = 0x7fe580439000 [pid 7918] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7917] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7918] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7917] <... mprotect resumed>) = 0 [pid 7918] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7917] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7924], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7924 [pid 7917] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7917] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7923] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7912] <... futex resumed>) = 0 [pid 7912] exit_group(0 [pid 7913] <... futex resumed>) = ? [pid 7912] <... exit_group resumed>) = ? [pid 7913] +++ exited with 0 +++ [pid 7923] <... futex resumed>) = ? [pid 7923] +++ exited with 0 +++ [pid 7912] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7912, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 7915] <... mount resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7915] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5005] <... openat resumed>) = 3 [pid 5005] fstat(3, [pid 7915] <... openat resumed>) = 3 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7915] chdir("./bus" [pid 5005] getdents64(3, [pid 7915] <... chdir resumed>) = 0 [pid 7915] ioctl(4, LOOP_CLR_FD [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 ./strace-static-x86_64: Process 7924 attached [pid 7915] <... ioctl resumed>) = 0 [pid 5005] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7915] close(4 [pid 7924] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7924] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7924] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7915] <... close resumed>) = 0 [pid 7915] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7914] <... futex resumed>) = 0 [pid 7915] mkdir("./file1", 000 [pid 7914] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7915] <... mkdir resumed>) = 0 [pid 7914] <... futex resumed>) = 0 [pid 7915] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7914] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7915] <... futex resumed>) = 0 [pid 7914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7915] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7914] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7914] <... futex resumed>) = 0 [pid 7915] mkdir("./bus", 000 [pid 7914] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7915] <... mkdir resumed>) = 0 [ 236.985056][ T7918] overlayfs: failed to resolve './file0': -2 [ 236.988944][ T7923] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 236.991952][ T7915] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7915] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7914] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7915] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7914] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7914] <... futex resumed>) = 0 [pid 7915] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7914] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7924] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./172/bus", [pid 7924] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7924] <... futex resumed>) = 1 [pid 7917] <... futex resumed>) = 0 [pid 7924] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7917] exit_group(0 [pid 5008] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7918] <... futex resumed>) = ? [pid 7917] <... exit_group resumed>) = ? [pid 7918] +++ exited with 0 +++ [pid 7924] <... futex resumed>) = ? [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7924] +++ exited with 0 +++ [pid 7917] +++ exited with 0 +++ [pid 5008] openat(AT_FDCWD, "./172/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7917, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=26 /* 0.26 s */} --- [pid 5008] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 5007] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(4, [pid 5007] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] <... openat resumed>) = 3 [pid 5008] getdents64(4, [pid 5007] fstat(3, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] close(4) = 0 [pid 5007] getdents64(3, [pid 5008] rmdir("./172/bus") = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./172/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 7914] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] rmdir("./172" [pid 7914] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 5008] <... rmdir resumed>) = 0 [pid 7914] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] mkdir("./173", 0777 [pid 7914] <... mprotect resumed>) = 0 [pid 7914] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... mkdir resumed>) = 0 [pid 7914] <... clone resumed>, parent_tid=[7925], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7925 [pid 7914] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7914] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 237.063800][ T7924] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 237.076539][ T7915] overlayfs: upper fs needs to support d_type. [ 237.098699][ T7915] overlayfs: upper fs does not support tmpfile. [pid 5008] close(3) = 0 [pid 5005] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7925 attached [pid 7925] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7925] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7925] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5005] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./171/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./171/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7926 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./171/bus") = 0 [pid 5005] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7926 attached [pid 5005] unlink("./171/binderfs" [pid 7926] set_robust_list(0x5555568c85e0, 24 [pid 5005] <... unlink resumed>) = 0 [pid 7926] <... set_robust_list resumed>) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 7926] chdir("./173") = 0 [pid 5005] rmdir("./171" [pid 7926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7926] setpgid(0, 0) = 0 [pid 7926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... rmdir resumed>) = 0 [pid 7926] <... openat resumed>) = 3 [pid 5005] mkdir("./172", 0777 [pid 7926] write(3, "1000", 4) = 4 [pid 7926] close(3) = 0 [pid 7926] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 7926] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 237.132971][ T7915] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 237.152640][ T7925] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7926] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7926] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7928], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7928 [pid 7926] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7926] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7925] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7928 attached ./strace-static-x86_64: Process 7927 attached [pid 7925] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7915] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7927 [pid 7928] set_robust_list(0x7fe58847a9e0, 24 [pid 7927] set_robust_list(0x5555568c85e0, 24 [pid 7925] <... futex resumed>) = 1 [pid 7915] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7928] <... set_robust_list resumed>) = 0 [pid 7925] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7915] <... futex resumed>) = 0 [pid 7914] <... futex resumed>) = 0 [pid 7928] memfd_create("syzkaller", 0 [pid 7914] exit_group(0 [pid 7915] ???( [pid 7927] <... set_robust_list resumed>) = 0 [pid 7925] <... futex resumed>) = ? [pid 7914] <... exit_group resumed>) = ? [pid 7925] +++ exited with 0 +++ [pid 7915] <... ??? resumed>) = ? [pid 7927] chdir("./172" [pid 7915] +++ exited with 0 +++ [pid 7914] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7914, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 7928] <... memfd_create resumed>) = 3 [pid 7928] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7927] <... chdir resumed>) = 0 [pid 7928] <... mmap resumed>) = 0x7fe58005a000 [pid 7927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./170/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./170/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./170/bus") = 0 [pid 5007] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./170/binderfs", [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7927] <... prctl resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./170/binderfs") = 0 [pid 5007] getdents64(3, [pid 5004] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7927] setpgid(0, 0 [pid 5004] <... openat resumed>) = 3 [pid 7927] <... setpgid resumed>) = 0 [pid 5004] fstat(3, [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./170" [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] getdents64(3, [pid 5007] <... rmdir resumed>) = 0 [pid 5007] mkdir("./171", 0777 [pid 7927] <... openat resumed>) = 3 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7927] write(3, "1000", 4 [pid 5004] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7927] <... write resumed>) = 4 [pid 5007] <... mkdir resumed>) = 0 [pid 7927] close(3 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7927] <... close resumed>) = 0 [pid 7927] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7929 [pid 7927] <... symlink resumed>) = 0 [pid 7927] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7929 attached ) = 0 [pid 7927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7929] set_robust_list(0x5555568c85e0, 24 [pid 7927] <... mmap resumed>) = 0x7fe58845a000 [pid 7929] <... set_robust_list resumed>) = 0 [pid 7927] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7927] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7930], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7930 [pid 7927] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7927] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7929] chdir("./171") = 0 [pid 7929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7929] setpgid(0, 0) = 0 [pid 7929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7929] write(3, "1000", 4) = 4 [pid 7929] close(3) = 0 [pid 7929] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7930 attached [ 237.187266][ T7915] overlayfs: failed to resolve './file0': -2 [pid 7930] set_robust_list(0x7fe58847a9e0, 24 [pid 7929] <... symlink resumed>) = 0 [pid 7929] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7929] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7930] <... set_robust_list resumed>) = 0 [pid 7929] <... mprotect resumed>) = 0 [pid 7930] memfd_create("syzkaller", 0 [pid 7929] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7931], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7931 [pid 7930] <... memfd_create resumed>) = 3 [pid 7929] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7929] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7930] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 7931 attached [pid 7931] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7931] memfd_create("syzkaller", 0) = 3 [pid 7931] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./169/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./169/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./169/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7930] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... openat resumed>) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./169/bus") = 0 [pid 5004] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./169/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./169") = 0 [pid 5004] mkdir("./170", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7928] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 7932 attached [pid 7932] set_robust_list(0x5555568c85e0, 24 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7932 [pid 7932] <... set_robust_list resumed>) = 0 [pid 7932] chdir("./170") = 0 [pid 7932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7932] setpgid(0, 0) = 0 [pid 7932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7932] write(3, "1000", 4) = 4 [pid 7932] close(3) = 0 [pid 7932] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7932] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7932] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7932] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7933], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7933 [pid 7932] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7932] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7933 attached [pid 7933] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7933] memfd_create("syzkaller", 0) = 3 [pid 7931] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7930] <... write resumed>) = 4194304 [pid 7933] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7930] munmap(0x7fe58005a000, 4194304 [pid 7933] <... mmap resumed>) = 0x7fe58005a000 [pid 7930] <... munmap resumed>) = 0 [pid 7930] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7930] ioctl(4, LOOP_SET_FD, 3 [pid 7928] <... write resumed>) = 4194304 [pid 7928] munmap(0x7fe58005a000, 4194304 [pid 7930] <... ioctl resumed>) = 0 [pid 7930] close(3) = 0 [pid 7930] mkdir("./bus", 0777 [pid 7928] <... munmap resumed>) = 0 [pid 7928] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7930] <... mkdir resumed>) = 0 [pid 7930] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7928] <... openat resumed>) = 4 [pid 7928] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7928] close(3) = 0 [pid 7928] mkdir("./bus", 0777) = 0 [pid 7928] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 237.421724][ T7930] loop2: detected capacity change from 0 to 8192 [ 237.434243][ T7928] loop5: detected capacity change from 0 to 8192 [ 237.450551][ T7930] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7933] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7931] <... write resumed>) = 4194304 [pid 7931] munmap(0x7fe58005a000, 4194304) = 0 [pid 7931] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7931] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7931] close(3) = 0 [pid 7931] mkdir("./bus", 0777) = 0 [ 237.463905][ T7928] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 237.476928][ T7931] loop4: detected capacity change from 0 to 8192 [ 237.481746][ T7930] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 237.493643][ T7931] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 237.501189][ T7928] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 7931] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7933] <... write resumed>) = 4194304 [pid 7933] munmap(0x7fe58005a000, 4194304) = 0 [pid 7933] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 237.516294][ T7928] REISERFS (device loop5): using ordered data mode [ 237.518434][ T7931] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 237.522918][ T7928] reiserfs: using flush barriers [ 237.536496][ T7930] REISERFS (device loop2): using ordered data mode [ 237.538177][ T7928] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 237.556884][ T7933] loop1: detected capacity change from 0 to 8192 [pid 7933] ioctl(4, LOOP_SET_FD, 3) = 0 [ 237.560611][ T7928] REISERFS (device loop5): checking transaction log (loop5) [ 237.566966][ T7930] reiserfs: using flush barriers [ 237.574132][ T7928] REISERFS (device loop5): Using r5 hash to sort names [ 237.579279][ T7931] REISERFS (device loop4): using ordered data mode [ 237.585395][ T7928] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 237.595037][ T7931] reiserfs: using flush barriers [ 237.604726][ T7928] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7933] close(3 [pid 7928] <... mount resumed>) = 0 [pid 7933] <... close resumed>) = 0 [pid 7933] mkdir("./bus", 0777) = 0 [pid 7933] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 237.609578][ T7930] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 237.619938][ T7931] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 237.640005][ T7930] REISERFS (device loop2): checking transaction log (loop2) [ 237.658961][ T7931] REISERFS (device loop4): checking transaction log (loop4) [pid 7928] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7928] chdir("./bus") = 0 [ 237.659181][ T7933] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 237.667173][ T7931] REISERFS (device loop4): Using r5 hash to sort names [ 237.680539][ T7933] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 237.686594][ T7931] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 237.696961][ T7933] REISERFS (device loop1): using ordered data mode [pid 7931] <... mount resumed>) = 0 [pid 7928] ioctl(4, LOOP_CLR_FD) = 0 [pid 7928] close(4) = 0 [pid 7928] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7926] <... futex resumed>) = 0 [pid 7928] mkdir("./file1", 000 [pid 7926] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7928] <... mkdir resumed>) = 0 [pid 7926] <... futex resumed>) = 0 [pid 7928] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7926] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7928] <... futex resumed>) = 0 [pid 7926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7928] mkdir("./bus", 000 [pid 7926] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7928] <... mkdir resumed>) = 0 [pid 7926] <... futex resumed>) = 0 [pid 7928] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7926] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7928] <... futex resumed>) = 0 [pid 7926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7928] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7926] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7926] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7931] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7931] chdir("./bus") = 0 [pid 7931] ioctl(4, LOOP_CLR_FD) = 0 [pid 7931] close(4) = 0 [ 237.708532][ T7931] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 237.715803][ T7933] reiserfs: using flush barriers [ 237.728613][ T7930] REISERFS (device loop2): Using r5 hash to sort names [ 237.736928][ T7928] overlayfs: upper fs needs to support d_type. [ 237.736925][ T7933] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 237.737276][ T7933] REISERFS (device loop1): checking transaction log (loop1) [pid 7931] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7931] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7929] <... futex resumed>) = 0 [pid 7929] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7931] <... futex resumed>) = 0 [pid 7929] <... futex resumed>) = 1 [pid 7926] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7931] mkdir("./file1", 000 [pid 7929] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7926] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7931] <... mkdir resumed>) = 0 [pid 7926] <... futex resumed>) = 0 [pid 7931] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7931] <... futex resumed>) = 1 [pid 7929] <... futex resumed>) = 0 [pid 7926] <... mmap resumed>) = 0x7fe580439000 [pid 7931] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7929] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7926] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [ 237.752039][ T7930] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 237.759449][ T7928] overlayfs: upper fs does not support tmpfile. [ 237.786141][ T7928] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 237.793406][ T7933] REISERFS (device loop1): Using r5 hash to sort names [ 237.800476][ T7933] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7929] <... futex resumed>) = 0 [pid 7926] <... mprotect resumed>) = 0 [pid 7931] mkdir("./bus", 000 [pid 7929] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7926] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7931] <... mkdir resumed>) = 0 [pid 7931] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7926] <... clone resumed>, parent_tid=[7938], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7938 [pid 7931] <... futex resumed>) = 1 [pid 7929] <... futex resumed>) = 0 [pid 7926] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7931] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7929] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7926] <... futex resumed>) = 0 [pid 7931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7929] <... futex resumed>) = 0 [pid 7926] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7938 attached [pid 7931] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7929] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7938] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7928] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7938] mkdir(".", 0777 [pid 7928] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7938] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7928] <... futex resumed>) = 0 [pid 7938] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7933] <... mount resumed>) = 0 [pid 7930] <... mount resumed>) = 0 [pid 7928] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7933] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [ 237.817942][ T7928] overlayfs: failed to resolve './file0': -2 [ 237.839305][ T7931] overlayfs: upper fs needs to support d_type. [ 237.841597][ T7933] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 237.858418][ T7930] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 237.867051][ T7931] overlayfs: upper fs does not support tmpfile. [pid 7930] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7938] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7933] <... openat resumed>) = 3 [pid 7930] <... openat resumed>) = 3 [pid 7933] chdir("./bus" [pid 7930] chdir("./bus" [pid 7933] <... chdir resumed>) = 0 [pid 7930] <... chdir resumed>) = 0 [pid 7933] ioctl(4, LOOP_CLR_FD [pid 7930] ioctl(4, LOOP_CLR_FD [pid 7933] <... ioctl resumed>) = 0 [pid 7930] <... ioctl resumed>) = 0 [pid 7933] close(4 [pid 7930] close(4 [pid 7933] <... close resumed>) = 0 [pid 7930] <... close resumed>) = 0 [pid 7929] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7933] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7930] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7933] <... futex resumed>) = 1 [pid 7930] <... futex resumed>) = 1 [pid 7933] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7930] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7938] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7938] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7932] <... futex resumed>) = 0 [pid 7929] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7927] <... futex resumed>) = 0 [pid 7926] <... futex resumed>) = 0 [pid 7926] exit_group(0 [pid 7932] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7929] <... futex resumed>) = 0 [pid 7933] <... futex resumed>) = 0 [pid 7932] <... futex resumed>) = 1 [pid 7929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7927] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7926] <... exit_group resumed>) = ? [pid 7928] <... futex resumed>) = ? [pid 7928] +++ exited with 0 +++ [pid 7933] mkdir("./file1", 000 [pid 7929] <... mmap resumed>) = 0x7fe580439000 [pid 7933] <... mkdir resumed>) = 0 [pid 7932] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7927] <... futex resumed>) = 1 [pid 7930] <... futex resumed>) = 0 [pid 7927] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7929] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7933] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7930] mkdir("./file1", 000) = 0 [pid 7933] <... futex resumed>) = 1 [pid 7932] <... futex resumed>) = 0 [pid 7930] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7929] <... mprotect resumed>) = 0 [pid 7930] <... futex resumed>) = 1 [pid 7930] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7932] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7933] mkdir("./bus", 000 [pid 7927] <... futex resumed>) = 0 [pid 7938] <... futex resumed>) = ? [pid 7932] <... futex resumed>) = 0 [pid 7929] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7933] <... mkdir resumed>) = 0 [pid 7932] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7927] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7938] +++ exited with 0 +++ [pid 7926] +++ exited with 0 +++ [pid 7930] <... futex resumed>) = 0 [pid 7927] <... futex resumed>) = 1 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7926, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 7933] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7930] mkdir("./bus", 000 [pid 7927] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 7933] <... futex resumed>) = 1 [pid 7932] <... futex resumed>) = 0 [pid 7930] <... mkdir resumed>) = 0 [pid 7929] <... clone resumed>, parent_tid=[7939], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7939 [pid 5008] <... restart_syscall resumed>) = 0 [pid 7933] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7932] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7930] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7929] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7932] <... futex resumed>) = 0 [pid 7930] <... futex resumed>) = 1 [pid 7929] <... futex resumed>) = 0 [pid 7927] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7939 attached [pid 7933] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7932] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7930] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7929] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7927] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 237.874872][ T7938] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 237.876509][ T7931] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 237.898339][ T7931] overlayfs: failed to resolve './file0': -2 [pid 7930] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7927] <... futex resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7939] set_robust_list(0x7fe5804599e0, 24 [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7939] <... set_robust_list resumed>) = 0 [pid 7927] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7939] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7939] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7932] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7931] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 237.924674][ T7933] overlayfs: upper fs needs to support d_type. [ 237.924806][ T7930] overlayfs: upper fs needs to support d_type. [ 237.930872][ T7933] overlayfs: upper fs does not support tmpfile. [ 237.944646][ T7933] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 237.968174][ T7933] overlayfs: failed to resolve './file0': -2 [pid 7932] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7931] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7932] <... futex resumed>) = 0 [pid 7931] <... futex resumed>) = 0 [pid 7932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7931] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7932] <... mmap resumed>) = 0x7fe580439000 [pid 7932] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7932] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7927] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7932] <... clone resumed>, parent_tid=[7940], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7940 [pid 7927] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7932] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7932] <... futex resumed>) = 0 [pid 7927] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7932] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7927] <... mprotect resumed>) = 0 [pid 7927] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7941], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7941 [pid 7927] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7927] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7941 attached [pid 7941] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7941] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7941] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 7940 attached [pid 7940] set_robust_list(0x7fe5804599e0, 24 [pid 7939] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7940] <... set_robust_list resumed>) = 0 [pid 7940] mkdir(".", 0777 [pid 7939] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7940] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7939] <... futex resumed>) = 1 [pid 7929] <... futex resumed>) = 0 [pid 7940] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7929] exit_group(0 [pid 7931] <... futex resumed>) = ? [pid 7929] <... exit_group resumed>) = ? [pid 7931] +++ exited with 0 +++ [ 237.976057][ T7939] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 237.981709][ T7930] overlayfs: upper fs does not support tmpfile. [ 238.010377][ T7930] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7941] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7941] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7939] +++ exited with 0 +++ [pid 7929] +++ exited with 0 +++ [pid 7927] <... futex resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7929, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=28 /* 0.28 s */} --- [pid 5007] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] <... umount2 resumed>) = 0 [pid 5007] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7940] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7940] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7940] <... futex resumed>) = 1 [pid 7932] <... futex resumed>) = 0 [pid 5008] lstat("./173/bus", [pid 7933] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7941] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7940] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7933] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7933] <... futex resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./173/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7933] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7930] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7930] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 7930] <... futex resumed>) = 0 [pid 7932] exit_group(0 [pid 7927] exit_group(0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7941] <... futex resumed>) = ? [pid 7940] <... futex resumed>) = ? [pid 7933] <... futex resumed>) = ? [pid 7932] <... exit_group resumed>) = ? [pid 7927] <... exit_group resumed>) = ? [pid 5008] getdents64(4, [pid 7940] +++ exited with 0 +++ [pid 7941] +++ exited with 0 +++ [pid 7933] +++ exited with 0 +++ [pid 7932] +++ exited with 0 +++ [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7932, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 7930] +++ exited with 0 +++ [pid 7927] +++ exited with 0 +++ [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(4 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... close resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7927, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5004] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] rmdir("./173/bus" [pid 5005] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] fstat(3, [pid 5008] <... rmdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 3 [pid 5004] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(3, [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] lstat("./173/binderfs", [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 238.038187][ T7941] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 238.039861][ T7940] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 238.055542][ T7930] overlayfs: failed to resolve './file0': -2 [pid 5004] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] getdents64(3, [pid 5008] unlink("./173/binderfs" [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] <... unlink resumed>) = 0 [pid 5005] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./173") = 0 [pid 5008] mkdir("./174", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7942 ./strace-static-x86_64: Process 7942 attached [pid 7942] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7942] chdir("./174") = 0 [pid 7942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7942] setpgid(0, 0) = 0 [pid 7942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7942] write(3, "1000", 4) = 4 [pid 7942] close(3) = 0 [pid 7942] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7942] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7942] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7942] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7943], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7943 [pid 7942] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7942] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7943 attached [pid 7943] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7943] memfd_create("syzkaller", 0) = 3 [pid 7943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./170/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./170/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./170/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./170/bus") = 0 [pid 5004] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./170/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./170") = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 5004] mkdir("./171", 0777) = 0 [pid 5007] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./171/bus", [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 7943] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5007] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./171/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] lstat("./172/bus", [pid 5007] <... openat resumed>) = 4 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] fstat(4, [pid 5005] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(4, [pid 5005] openat(AT_FDCWD, "./172/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] <... openat resumed>) = 4 [pid 5007] getdents64(4, [pid 5005] fstat(4, [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] close(4 [pid 5005] getdents64(4, [pid 5007] <... close resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7944 [pid 5007] rmdir("./171/bus" [pid 5005] getdents64(4, [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] close(4./strace-static-x86_64: Process 7944 attached [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... close resumed>) = 0 [pid 5007] lstat("./171/binderfs", [pid 5005] rmdir("./172/bus" [pid 7944] set_robust_list(0x5555568c85e0, 24 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 7944] <... set_robust_list resumed>) = 0 [pid 5007] unlink("./171/binderfs" [pid 5005] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7944] chdir("./171" [pid 5007] <... unlink resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7944] <... chdir resumed>) = 0 [pid 5007] getdents64(3, [pid 5005] lstat("./172/binderfs", [pid 7944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7944] <... prctl resumed>) = 0 [pid 5007] close(3 [pid 5005] unlink("./172/binderfs" [pid 7944] setpgid(0, 0 [pid 5007] <... close resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 7944] <... setpgid resumed>) = 0 [pid 5007] rmdir("./171" [pid 5005] getdents64(3, [pid 7944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7944] <... openat resumed>) = 3 [pid 5007] mkdir("./172", 0777 [pid 5005] close(3 [pid 7944] write(3, "1000", 4 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 7944] <... write resumed>) = 4 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5005] rmdir("./172" [pid 7944] close(3 [pid 5007] <... openat resumed>) = 3 [pid 5005] <... rmdir resumed>) = 0 [pid 7944] <... close resumed>) = 0 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5005] mkdir("./173", 0777 [pid 7944] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] <... mkdir resumed>) = 0 [pid 7944] <... symlink resumed>) = 0 [pid 5007] close(3 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7944] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... close resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7945 [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7944] <... futex resumed>) = 0 [pid 7944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7946 [pid 7944] <... mmap resumed>) = 0x7fe58845a000 [pid 7944] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7944] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7947], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7947 [pid 7944] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7944] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7946 attached [pid 7946] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7946] chdir("./173") = 0 [pid 7946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7946] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 7945 attached [pid 7946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7947 attached ) = 3 [pid 7945] set_robust_list(0x5555568c85e0, 24 [pid 7947] set_robust_list(0x7fe58847a9e0, 24 [pid 7946] write(3, "1000", 4 [pid 7945] <... set_robust_list resumed>) = 0 [pid 7947] <... set_robust_list resumed>) = 0 [pid 7946] <... write resumed>) = 4 [pid 7945] chdir("./172" [pid 7947] memfd_create("syzkaller", 0 [pid 7946] close(3 [pid 7945] <... chdir resumed>) = 0 [pid 7947] <... memfd_create resumed>) = 3 [pid 7946] <... close resumed>) = 0 [pid 7947] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7946] symlink("/dev/binderfs", "./binderfs" [pid 7945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7947] <... mmap resumed>) = 0x7fe58005a000 [pid 7946] <... symlink resumed>) = 0 [pid 7945] <... prctl resumed>) = 0 [pid 7946] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7945] setpgid(0, 0 [pid 7946] <... futex resumed>) = 0 [pid 7945] <... setpgid resumed>) = 0 [pid 7946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7946] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7945] <... openat resumed>) = 3 [pid 7946] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7945] write(3, "1000", 4) = 4 [pid 7946] <... clone resumed>, parent_tid=[7948], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7948 [pid 7945] close(3 [pid 7946] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7945] <... close resumed>) = 0 [pid 7946] <... futex resumed>) = 0 [pid 7945] symlink("/dev/binderfs", "./binderfs" [pid 7946] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7945] <... symlink resumed>) = 0 [pid 7945] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7945] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 7948 attached [pid 7945] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7948] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7945] <... clone resumed>, parent_tid=[7949], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7949 [pid 7948] memfd_create("syzkaller", 0 [pid 7945] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7943] <... write resumed>) = 4194304 [pid 7948] <... memfd_create resumed>) = 3 [pid 7945] <... futex resumed>) = 0 [pid 7948] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7945] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7943] munmap(0x7fe58005a000, 4194304./strace-static-x86_64: Process 7949 attached [pid 7949] set_robust_list(0x7fe58847a9e0, 24 [pid 7943] <... munmap resumed>) = 0 [pid 7949] <... set_robust_list resumed>) = 0 [pid 7943] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7949] memfd_create("syzkaller", 0 [pid 7943] <... openat resumed>) = 4 [pid 7949] <... memfd_create resumed>) = 3 [pid 7943] ioctl(4, LOOP_SET_FD, 3 [pid 7949] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7943] <... ioctl resumed>) = 0 [pid 7949] <... mmap resumed>) = 0x7fe58005a000 [pid 7943] close(3) = 0 [pid 7943] mkdir("./bus", 0777) = 0 [pid 7943] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7948] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 238.363391][ T7943] loop5: detected capacity change from 0 to 8192 [ 238.394000][ T7943] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7947] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 238.421895][ T7943] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 238.432379][ T7943] REISERFS (device loop5): using ordered data mode [ 238.439831][ T7943] reiserfs: using flush barriers [ 238.447808][ T7943] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7949] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7943] <... mount resumed>) = 0 [pid 7943] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7943] chdir("./bus") = 0 [pid 7943] ioctl(4, LOOP_CLR_FD) = 0 [pid 7943] close(4 [pid 7947] <... write resumed>) = 4194304 [pid 7943] <... close resumed>) = 0 [pid 7947] munmap(0x7fe58005a000, 4194304 [pid 7943] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7947] <... munmap resumed>) = 0 [pid 7943] <... futex resumed>) = 1 [pid 7942] <... futex resumed>) = 0 [pid 7947] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7943] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7942] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7947] <... openat resumed>) = 4 [pid 7943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7942] <... futex resumed>) = 0 [pid 7947] ioctl(4, LOOP_SET_FD, 3 [ 238.466156][ T7943] REISERFS (device loop5): checking transaction log (loop5) [ 238.474565][ T7943] REISERFS (device loop5): Using r5 hash to sort names [ 238.481916][ T7943] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.494721][ T7943] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7943] mkdir("./file1", 000 [pid 7942] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7948] <... write resumed>) = 4194304 [pid 7943] <... mkdir resumed>) = 0 [pid 7943] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7942] <... futex resumed>) = 0 [pid 7943] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7942] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7942] <... futex resumed>) = 0 [pid 7943] mkdir("./bus", 000 [pid 7942] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7943] <... mkdir resumed>) = 0 [pid 7943] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7948] munmap(0x7fe58005a000, 4194304 [pid 7943] <... futex resumed>) = 1 [pid 7942] <... futex resumed>) = 0 [pid 7943] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7942] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7942] <... futex resumed>) = 0 [pid 7943] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7942] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7948] <... munmap resumed>) = 0 [pid 7948] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7947] <... ioctl resumed>) = 0 [pid 7948] <... openat resumed>) = 4 [pid 7947] close(3 [pid 7948] ioctl(4, LOOP_SET_FD, 3 [pid 7947] <... close resumed>) = 0 [pid 7948] <... ioctl resumed>) = 0 [ 238.527083][ T7947] loop1: detected capacity change from 0 to 8192 [ 238.540842][ T7943] overlayfs: upper fs needs to support d_type. [ 238.548371][ T7943] overlayfs: upper fs does not support tmpfile. [ 238.555288][ T7943] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 238.564121][ T7948] loop2: detected capacity change from 0 to 8192 [pid 7947] mkdir("./bus", 0777 [pid 7948] close(3) = 0 [pid 7947] <... mkdir resumed>) = 0 [pid 7948] mkdir("./bus", 0777 [pid 7943] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7947] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7943] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7942] <... futex resumed>) = 0 [pid 7943] mkdir(".", 0777 [pid 7942] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7948] <... mkdir resumed>) = 0 [pid 7943] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7942] <... futex resumed>) = 0 [pid 7949] <... write resumed>) = 4194304 [pid 7948] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7943] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7942] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7949] munmap(0x7fe58005a000, 4194304) = 0 [pid 7949] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7949] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7949] close(3) = 0 [pid 7949] mkdir("./bus", 0777) = 0 [ 238.572907][ T7943] overlayfs: failed to resolve './file0': -2 [ 238.588502][ T7947] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 238.595079][ T7949] loop4: detected capacity change from 0 to 8192 [ 238.602454][ T7947] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 238.618150][ T7947] REISERFS (device loop1): using ordered data mode [ 238.619717][ T7948] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 238.625285][ T7947] reiserfs: using flush barriers [ 238.638564][ T7949] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 238.644339][ T7948] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 238.656916][ T7943] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 238.664917][ T7947] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 238.665255][ T7947] REISERFS (device loop1): checking transaction log (loop1) [ 238.704148][ T7949] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 238.705654][ T7948] REISERFS (device loop2): using ordered data mode [ 238.719835][ T7948] reiserfs: using flush barriers [pid 7949] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7943] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7943] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7942] <... futex resumed>) = 0 [pid 7943] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7942] exit_group(0 [pid 7943] <... futex resumed>) = ? [pid 7942] <... exit_group resumed>) = ? [pid 7943] +++ exited with 0 +++ [pid 7942] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7942, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [ 238.726317][ T7949] REISERFS (device loop4): using ordered data mode [ 238.726959][ T7948] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 238.734901][ T7949] reiserfs: using flush barriers [ 238.749489][ T7948] REISERFS (device loop2): checking transaction log (loop2) [ 238.758232][ T7949] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 238.765871][ T7947] REISERFS (device loop1): Using r5 hash to sort names [ 238.778171][ T7949] REISERFS (device loop4): checking transaction log (loop4) [ 238.788898][ T7948] REISERFS (device loop2): Using r5 hash to sort names [ 238.792422][ T7947] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.799827][ T7948] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5008] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7948] <... mount resumed>) = 0 [pid 7948] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7948] chdir("./bus") = 0 [pid 7948] ioctl(4, LOOP_CLR_FD) = 0 [pid 7948] close(4) = 0 [pid 7948] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7948] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7947] <... mount resumed>) = 0 [pid 7947] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7947] chdir("./bus") = 0 [pid 7947] ioctl(4, LOOP_CLR_FD) = 0 [pid 7947] close(4) = 0 [pid 7947] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7944] <... futex resumed>) = 0 [pid 7944] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7944] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7947] <... futex resumed>) = 1 [pid 7947] mkdir("./file1", 000) = 0 [pid 7947] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7944] <... futex resumed>) = 0 [pid 7944] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7944] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7947] <... futex resumed>) = 1 [pid 7947] mkdir("./bus", 000) = 0 [pid 7947] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7944] <... futex resumed>) = 0 [pid 7944] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7944] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7947] <... futex resumed>) = 1 [pid 7947] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7946] <... futex resumed>) = 0 [pid 7946] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7948] <... futex resumed>) = 0 [pid 7946] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7948] mkdir("./file1", 000) = 0 [pid 7948] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7948] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7946] <... futex resumed>) = 0 [pid 7946] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7948] <... futex resumed>) = 0 [pid 7946] <... futex resumed>) = 1 [pid 7946] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7948] mkdir("./bus", 000) = 0 [pid 7948] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7948] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 238.811905][ T7947] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 238.833696][ T7949] REISERFS (device loop4): Using r5 hash to sort names [ 238.838221][ T7948] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 238.840918][ T7949] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.860724][ T7947] overlayfs: upper fs needs to support d_type. [pid 7946] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7948] <... futex resumed>) = 0 [pid 7946] <... futex resumed>) = 1 [pid 7946] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7948] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7944] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7944] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7944] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7944] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7954], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7954 [pid 7944] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 238.881455][ T7947] overlayfs: upper fs does not support tmpfile. [ 238.889994][ T7948] overlayfs: upper fs needs to support d_type. [ 238.901550][ T7948] overlayfs: upper fs does not support tmpfile. [ 238.908896][ T7949] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 238.913427][ T7948] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7944] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7946] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7954 attached [pid 7954] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7954] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7954] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7946] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7946] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7946] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7955], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7955 [pid 7946] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7946] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7955 attached [pid 7949] <... mount resumed>) = 0 [pid 5008] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./174/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./174/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./174/bus") = 0 [pid 5008] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./174/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./174") = 0 [pid 5008] mkdir("./175", 0777 [pid 7955] set_robust_list(0x7fe5804599e0, 24 [pid 5008] <... mkdir resumed>) = 0 [pid 7955] <... set_robust_list resumed>) = 0 [pid 7949] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 7955] mkdir(".", 0777 [pid 7954] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7949] <... openat resumed>) = 3 [pid 7948] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... close resumed>) = 0 [ 238.925549][ T7947] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 238.947651][ T7954] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 238.959582][ T7948] overlayfs: failed to resolve './file0': -2 [pid 7955] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7954] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7949] chdir("./bus" [pid 7948] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7955] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7949] <... chdir resumed>) = 0 [pid 7948] <... futex resumed>) = 0 [pid 7949] ioctl(4, LOOP_CLR_FD [pid 7948] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7949] <... ioctl resumed>) = 0 [pid 7949] close(4) = 0 [pid 7954] <... futex resumed>) = 1 [pid 7949] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7944] <... futex resumed>) = 0 [pid 7954] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7949] <... futex resumed>) = 1 [pid 7945] <... futex resumed>) = 0 [pid 7949] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7945] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7949] mkdir("./file1", 000) = 0 [pid 7949] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7949] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 7945] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7956 attached [pid 7955] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7949] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7947] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7945] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7956 [pid 7956] set_robust_list(0x5555568c85e0, 24 [pid 7955] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7947] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7956] <... set_robust_list resumed>) = 0 [pid 7955] <... futex resumed>) = 1 [pid 7946] <... futex resumed>) = 0 [pid 7945] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7956] chdir("./175" [pid 7955] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7945] <... futex resumed>) = 1 [pid 7944] exit_group(0 [pid 7956] <... chdir resumed>) = 0 [pid 7954] <... futex resumed>) = ? [pid 7945] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7944] <... exit_group resumed>) = ? [pid 7956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7954] +++ exited with 0 +++ [pid 7956] <... prctl resumed>) = 0 [pid 7956] setpgid(0, 0) = 0 [pid 7946] exit_group(0 [pid 7956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7949] <... futex resumed>) = 0 [pid 7947] <... futex resumed>) = ? [pid 7955] <... futex resumed>) = ? [pid 7948] <... futex resumed>) = ? [pid 7946] <... exit_group resumed>) = ? [pid 7956] <... openat resumed>) = 3 [pid 7955] +++ exited with 0 +++ [pid 7949] mkdir("./bus", 000 [pid 7956] write(3, "1000", 4) = 4 [pid 7956] close(3) = 0 [pid 7956] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7956] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7947] +++ exited with 0 +++ [pid 7948] +++ exited with 0 +++ [pid 7944] +++ exited with 0 +++ [pid 7956] <... mmap resumed>) = 0x7fe58845a000 [pid 7949] <... mkdir resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7944, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 7956] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7956] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7946] +++ exited with 0 +++ [pid 7956] <... clone resumed>, parent_tid=[7957], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7957 [pid 7956] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7949] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7956] <... futex resumed>) = 0 [pid 7949] <... futex resumed>) = 1 [pid 7945] <... futex resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7946, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7956] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7949] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7945] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 7949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7945] <... futex resumed>) = 0 [pid 7949] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7945] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7957 attached [pid 7957] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5004] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7957] memfd_create("syzkaller", 0) = 3 [pid 7957] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... openat resumed>) = 3 [pid 5005] <... openat resumed>) = 3 [pid 5004] fstat(3, [pid 5005] fstat(3, [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, [pid 5005] getdents64(3, [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 238.983350][ T7947] overlayfs: failed to resolve './file0': -2 [ 238.994983][ T7955] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 239.027043][ T7949] overlayfs: upper fs needs to support d_type. [pid 5005] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7945] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7945] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7945] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7945] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7958], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7958 [pid 7945] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7945] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7958 attached [pid 7958] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7958] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7958] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 239.055416][ T7949] overlayfs: upper fs does not support tmpfile. [ 239.074366][ T7949] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7957] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7958] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7958] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7945] <... futex resumed>) = 0 [pid 7958] <... futex resumed>) = 1 [pid 7958] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7957] <... write resumed>) = 4194304 [pid 5005] <... umount2 resumed>) = 0 [pid 7957] munmap(0x7fe58005a000, 4194304 [pid 7949] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7949] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7945] exit_group(0 [pid 7958] <... futex resumed>) = ? [pid 7945] <... exit_group resumed>) = ? [pid 7958] +++ exited with 0 +++ [pid 7957] <... munmap resumed>) = 0 [pid 5005] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7957] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7949] +++ exited with 0 +++ [pid 7945] +++ exited with 0 +++ [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7957] <... openat resumed>) = 4 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7945, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5005] lstat("./173/bus", [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 7957] ioctl(4, LOOP_SET_FD, 3 [pid 5007] <... restart_syscall resumed>) = 0 [ 239.120404][ T7958] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 239.140869][ T7949] overlayfs: failed to resolve './file0': -2 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./171/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./171/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./171/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./171/bus") = 0 [pid 5004] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./171/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./171" [pid 5007] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... rmdir resumed>) = 0 [pid 5004] mkdir("./172", 0777 [pid 5007] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5007] fstat(3, [pid 5005] openat(AT_FDCWD, "./173/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5007] getdents64(3, [pid 5005] fstat(4, [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7957] <... ioctl resumed>) = 0 [pid 5005] getdents64(4, [pid 5004] close(3 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7957] close(3 [pid 5005] close(4 [pid 7957] <... close resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 7957] mkdir("./bus", 0777 [pid 5005] rmdir("./173/bus" [pid 7957] <... mkdir resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7957] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5005] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7959 [pid 5005] unlink("./173/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [ 239.189386][ T7957] loop5: detected capacity change from 0 to 8192 [pid 5005] rmdir("./173") = 0 ./strace-static-x86_64: Process 7959 attached [pid 5005] mkdir("./174", 0777 [pid 7959] set_robust_list(0x5555568c85e0, 24 [pid 5005] <... mkdir resumed>) = 0 [pid 7959] <... set_robust_list resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7959] chdir("./172" [pid 5005] <... openat resumed>) = 3 [pid 7959] <... chdir resumed>) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 7959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7959] <... prctl resumed>) = 0 [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7961 ./strace-static-x86_64: Process 7961 attached [pid 7961] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7961] chdir("./174") = 0 [pid 7961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7959] setpgid(0, 0) = 0 [pid 7959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7959] write(3, "1000", 4) = 4 [pid 7961] setpgid(0, 0 [pid 7959] close(3 [pid 7961] <... setpgid resumed>) = 0 [pid 7959] <... close resumed>) = 0 [pid 7961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7959] symlink("/dev/binderfs", "./binderfs" [pid 7961] <... openat resumed>) = 3 [pid 7959] <... symlink resumed>) = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 7961] write(3, "1000", 4 [ 239.231846][ T7957] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.271512][ T7957] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5007] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7961] <... write resumed>) = 4 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7961] close(3 [pid 5007] lstat("./172/bus", [pid 7961] <... close resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7961] symlink("/dev/binderfs", "./binderfs" [pid 5007] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7961] <... symlink resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7961] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] openat(AT_FDCWD, "./172/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7961] <... futex resumed>) = 0 [pid 7959] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... openat resumed>) = 4 [pid 7961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] fstat(4, [pid 7959] <... futex resumed>) = 0 [pid 7961] <... mmap resumed>) = 0x7fe58845a000 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7961] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] getdents64(4, [pid 7961] <... mprotect resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7961] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] getdents64(4, [pid 7959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 7961] <... clone resumed>, parent_tid=[7962], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7962 [pid 7959] <... mmap resumed>) = 0x7fe58845a000 [pid 5007] close(4./strace-static-x86_64: Process 7962 attached [pid 7961] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7959] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] <... close resumed>) = 0 [pid 7961] <... futex resumed>) = 0 [pid 5007] rmdir("./172/bus" [pid 7961] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... rmdir resumed>) = 0 [pid 5007] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./172/binderfs" [pid 7962] set_robust_list(0x7fe58847a9e0, 24 [pid 7959] <... mprotect resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 7962] <... set_robust_list resumed>) = 0 [pid 7959] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] getdents64(3, [pid 7962] memfd_create("syzkaller", 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 7962] <... memfd_create resumed>) = 3 [pid 7959] <... clone resumed>, parent_tid=[7963], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7963 [pid 5007] close(3 [pid 7962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7959] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... close resumed>) = 0 [pid 7962] <... mmap resumed>) = 0x7fe58005a000 [pid 7959] <... futex resumed>) = 0 [pid 5007] rmdir("./172"./strace-static-x86_64: Process 7963 attached [pid 7959] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... rmdir resumed>) = 0 [pid 5007] mkdir("./173", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 239.280861][ T7957] REISERFS (device loop5): using ordered data mode [ 239.288554][ T7957] reiserfs: using flush barriers [ 239.295603][ T7957] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.312326][ T7957] REISERFS (device loop5): checking transaction log (loop5) [ 239.322068][ T7957] REISERFS (device loop5): Using r5 hash to sort names [pid 5007] close(3 [pid 7963] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] <... close resumed>) = 0 [pid 7963] <... set_robust_list resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7963] memfd_create("syzkaller", 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7964 [pid 7963] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 7964 attached [pid 7963] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7957] <... mount resumed>) = 0 [pid 7964] set_robust_list(0x5555568c85e0, 24 [pid 7963] <... mmap resumed>) = 0x7fe58005a000 [pid 7964] <... set_robust_list resumed>) = 0 [pid 7957] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7964] chdir("./173") = 0 [pid 7964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7964] setpgid(0, 0) = 0 [pid 7964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7964] write(3, "1000", 4) = 4 [pid 7964] close(3) = 0 [pid 7964] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7964] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7962] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7957] <... openat resumed>) = 3 [pid 7964] <... mmap resumed>) = 0x7fe58845a000 [pid 7957] chdir("./bus" [pid 7964] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7957] <... chdir resumed>) = 0 [pid 7964] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7957] ioctl(4, LOOP_CLR_FD) = 0 [pid 7964] <... clone resumed>, parent_tid=[7965], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7965 [ 239.329148][ T7957] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.342210][ T7957] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7957] close(4 [pid 7964] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7957] <... close resumed>) = 0 [pid 7964] <... futex resumed>) = 0 [pid 7957] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7964] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7957] <... futex resumed>) = 1 [pid 7956] <... futex resumed>) = 0 [pid 7957] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7956] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7956] <... futex resumed>) = 0 [pid 7957] mkdir("./file1", 000 [pid 7956] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7957] <... mkdir resumed>) = 0 [pid 7957] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7956] <... futex resumed>) = 0 [pid 7957] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7956] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7965 attached [pid 7957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7956] <... futex resumed>) = 0 [pid 7965] set_robust_list(0x7fe58847a9e0, 24 [pid 7957] mkdir("./bus", 000 [pid 7956] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7965] <... set_robust_list resumed>) = 0 [pid 7957] <... mkdir resumed>) = 0 [pid 7965] memfd_create("syzkaller", 0 [pid 7957] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7965] <... memfd_create resumed>) = 3 [pid 7957] <... futex resumed>) = 1 [pid 7956] <... futex resumed>) = 0 [pid 7965] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7957] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7956] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7965] <... mmap resumed>) = 0x7fe58005a000 [pid 7957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7956] <... futex resumed>) = 0 [pid 7962] <... write resumed>) = 4194304 [pid 7957] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7956] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7962] munmap(0x7fe58005a000, 4194304) = 0 [pid 7962] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7962] ioctl(4, LOOP_SET_FD, 3 [pid 7963] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7962] <... ioctl resumed>) = 0 [pid 7962] close(3) = 0 [pid 7962] mkdir("./bus", 0777) = 0 [ 239.418620][ T7957] overlayfs: upper fs needs to support d_type. [ 239.431588][ T7957] overlayfs: upper fs does not support tmpfile. [ 239.438427][ T7957] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 239.446996][ T7962] loop2: detected capacity change from 0 to 8192 [pid 7962] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7956] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7956] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7956] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7956] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7967], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7967 [pid 7956] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7956] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7965] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 7967 attached [ 239.466915][ T7957] overlayfs: failed to resolve './file0': -2 [pid 7967] set_robust_list(0x7fe5804599e0, 24 [pid 7957] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7967] <... set_robust_list resumed>) = 0 [pid 7957] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7967] mkdir(".", 0777 [pid 7957] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7967] <... mkdir resumed>) = -1 EEXIST (File exists) [ 239.490849][ T7962] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.521832][ T7967] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7967] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7963] <... write resumed>) = 4194304 [pid 7963] munmap(0x7fe58005a000, 4194304 [pid 7967] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7963] <... munmap resumed>) = 0 [pid 7967] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7963] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7967] <... futex resumed>) = 1 [pid 7956] <... futex resumed>) = 0 [pid 7967] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7963] <... openat resumed>) = 4 [pid 7956] exit_group(0 [pid 7963] ioctl(4, LOOP_SET_FD, 3 [pid 7956] <... exit_group resumed>) = ? [pid 7967] <... futex resumed>) = ? [pid 7957] <... futex resumed>) = ? [pid 7965] <... write resumed>) = 4194304 [pid 7965] munmap(0x7fe58005a000, 4194304) = 0 [pid 7965] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7957] +++ exited with 0 +++ [pid 7967] +++ exited with 0 +++ [pid 7963] <... ioctl resumed>) = 0 [pid 7956] +++ exited with 0 +++ [pid 7965] <... openat resumed>) = 4 [pid 7963] close(3 [ 239.536796][ T7962] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 239.551819][ T7962] REISERFS (device loop2): using ordered data mode [ 239.558649][ T7962] reiserfs: using flush barriers [ 239.567649][ T7963] loop1: detected capacity change from 0 to 8192 [pid 7965] ioctl(4, LOOP_SET_FD, 3 [pid 7963] <... close resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7956, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 7965] <... ioctl resumed>) = 0 [pid 7965] close(3) = 0 [pid 7965] mkdir("./bus", 0777) = 0 [pid 7965] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7963] mkdir("./bus", 0777) = 0 [pid 7963] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5008] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 239.577082][ T7962] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.578561][ T7965] loop4: detected capacity change from 0 to 8192 [ 239.593906][ T7962] REISERFS (device loop2): checking transaction log (loop2) [ 239.608941][ T7965] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.609369][ T7963] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5008] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 239.623308][ T7965] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 239.644406][ T7965] REISERFS (device loop4): using ordered data mode [ 239.651575][ T7965] reiserfs: using flush barriers [ 239.657363][ T7962] REISERFS (device loop2): Using r5 hash to sort names [ 239.665083][ T7962] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.677828][ T7962] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5008] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7962] <... mount resumed>) = 0 [pid 7962] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7962] chdir("./bus") = 0 [ 239.678955][ T7965] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.687801][ T7963] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 239.713123][ T7963] REISERFS (device loop1): using ordered data mode [ 239.719656][ T7963] reiserfs: using flush barriers [pid 7962] ioctl(4, LOOP_CLR_FD) = 0 [pid 7962] close(4) = 0 [pid 7962] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7961] <... futex resumed>) = 0 [pid 7962] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7961] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7961] <... futex resumed>) = 0 [pid 7962] mkdir("./file1", 000 [pid 7961] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7962] <... mkdir resumed>) = 0 [pid 7962] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7961] <... futex resumed>) = 0 [pid 7962] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7961] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7961] <... futex resumed>) = 0 [ 239.728224][ T7963] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.745642][ T7965] REISERFS (device loop4): checking transaction log (loop4) [ 239.756595][ T7965] REISERFS (device loop4): Using r5 hash to sort names [ 239.768082][ T7963] REISERFS (device loop1): checking transaction log (loop1) [ 239.778151][ T7963] REISERFS (device loop1): Using r5 hash to sort names [pid 7962] mkdir("./bus", 000 [pid 7961] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7962] <... mkdir resumed>) = 0 [pid 7962] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7962] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7961] <... futex resumed>) = 0 [pid 7961] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7962] <... futex resumed>) = 0 [pid 7962] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7961] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7965] <... mount resumed>) = 0 [pid 7963] <... mount resumed>) = 0 [pid 7965] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7963] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7965] <... openat resumed>) = 3 [pid 7963] <... openat resumed>) = 3 [pid 7965] chdir("./bus" [pid 7963] chdir("./bus" [pid 7965] <... chdir resumed>) = 0 [pid 7963] <... chdir resumed>) = 0 [ 239.782240][ T7965] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.797648][ T7963] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.812193][ T7963] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 239.825908][ T7965] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 239.826070][ T7962] overlayfs: upper fs needs to support d_type. [pid 7965] ioctl(4, LOOP_CLR_FD [pid 7963] ioctl(4, LOOP_CLR_FD [pid 5008] <... umount2 resumed>) = 0 [pid 7965] <... ioctl resumed>) = 0 [pid 7963] <... ioctl resumed>) = 0 [pid 7965] close(4 [pid 7963] close(4 [pid 7965] <... close resumed>) = 0 [pid 7963] <... close resumed>) = 0 [pid 7965] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7963] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7965] <... futex resumed>) = 1 [pid 7963] <... futex resumed>) = 1 [pid 7959] <... futex resumed>) = 0 [pid 5008] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7965] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7963] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7959] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7959] <... futex resumed>) = 0 [pid 7963] mkdir("./file1", 000 [pid 7959] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7963] <... mkdir resumed>) = 0 [pid 7963] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7959] <... futex resumed>) = 0 [pid 7963] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7959] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7959] <... futex resumed>) = 0 [pid 7963] mkdir("./bus", 000 [pid 7959] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7963] <... mkdir resumed>) = 0 [pid 7963] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7959] <... futex resumed>) = 0 [pid 7963] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7959] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7959] <... futex resumed>) = 0 [pid 7963] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7959] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7964] <... futex resumed>) = 0 [pid 7964] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7965] <... futex resumed>) = 0 [pid 7964] <... futex resumed>) = 1 [pid 5008] lstat("./175/bus", [pid 7965] mkdir("./file1", 000) = 0 [pid 7964] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7965] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7965] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7964] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7965] <... futex resumed>) = 0 [pid 7964] <... futex resumed>) = 1 [pid 5008] openat(AT_FDCWD, "./175/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7965] mkdir("./bus", 000 [pid 7961] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7964] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... openat resumed>) = 4 [pid 7965] <... mkdir resumed>) = 0 [pid 7961] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] fstat(4, [pid 7965] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7961] <... futex resumed>) = 0 [pid 7965] <... futex resumed>) = 1 [pid 7961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7965] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7964] <... futex resumed>) = 0 [pid 7961] <... mmap resumed>) = 0x7fe580439000 [pid 7964] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7964] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] getdents64(4, [pid 7965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7961] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 7965] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7961] <... mprotect resumed>) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [ 239.843789][ T7962] overlayfs: upper fs does not support tmpfile. [ 239.856139][ T7963] overlayfs: upper fs needs to support d_type. [ 239.866123][ T7963] overlayfs: upper fs does not support tmpfile. [ 239.873124][ T7962] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 239.887883][ T7965] overlayfs: upper fs needs to support d_type. [pid 5008] rmdir("./175/bus" [pid 7961] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... rmdir resumed>) = 0 [pid 7961] <... clone resumed>, parent_tid=[7970], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7970 [pid 7961] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7961] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7970 attached [pid 5008] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7959] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7970] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7959] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] lstat("./175/binderfs", [pid 7959] <... futex resumed>) = 0 [pid 7959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7959] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7959] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7971], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7971 [pid 7959] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7959] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7970] mkdir(".", 0777 [pid 5008] unlink("./175/binderfs" [pid 7970] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] <... unlink resumed>) = 0 [pid 7970] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./175") = 0 [pid 5008] mkdir("./176", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 7971 attached [pid 7971] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7971] mkdir(".", 0777) = -1 EEXIST (File exists) [ 239.896019][ T7963] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 239.898391][ T7965] overlayfs: upper fs does not support tmpfile. [ 239.912554][ T7963] overlayfs: failed to resolve './file0': -2 [ 239.927771][ T7970] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7971] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7964] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] close(3 [pid 7964] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... close resumed>) = 0 [pid 7964] <... futex resumed>) = 0 [pid 7964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7964] <... mmap resumed>) = 0x7fe580439000 ./strace-static-x86_64: Process 7972 attached [pid 7964] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7972 [pid 7970] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7970] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7964] <... mprotect resumed>) = 0 [pid 7961] <... futex resumed>) = 0 [pid 7964] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7972] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7964] <... clone resumed>, parent_tid=[7973], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7973 [pid 7964] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 7972] chdir("./176" [pid 7964] <... futex resumed>) = 0 [pid 7964] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7972] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 7973 attached [pid 7972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7970] <... futex resumed>) = 1 [pid 7973] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7973] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7973] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7972] <... prctl resumed>) = 0 [pid 7971] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7970] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7972] setpgid(0, 0) = 0 [pid 7972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7972] write(3, "1000", 4) = 4 [pid 7972] close(3) = 0 [pid 7972] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7972] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7972] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7972] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7974], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7974 [pid 7972] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7972] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7971] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 239.937765][ T7965] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 239.951994][ T7965] overlayfs: failed to resolve './file0': -2 [ 239.958823][ T7962] overlayfs: failed to resolve './file0': -2 [ 239.971946][ T7971] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7971] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7974 attached [pid 7974] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7974] memfd_create("syzkaller", 0 [pid 7973] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7965] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7963] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7959] <... futex resumed>) = 0 [pid 7965] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7962] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7965] <... futex resumed>) = 0 [pid 7965] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7962] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7963] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7962] <... futex resumed>) = 0 [pid 7974] <... memfd_create resumed>) = 3 [pid 7963] <... futex resumed>) = 0 [pid 7959] exit_group(0 [pid 7971] <... futex resumed>) = ? [pid 7962] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7959] <... exit_group resumed>) = ? [pid 7974] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7973] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7971] +++ exited with 0 +++ [pid 7963] +++ exited with 0 +++ [pid 7961] exit_group(0 [pid 7970] <... futex resumed>) = ? [pid 7962] <... futex resumed>) = ? [pid 7961] <... exit_group resumed>) = ? [pid 7974] <... mmap resumed>) = 0x7fe58005a000 [pid 7973] <... futex resumed>) = 1 [pid 7970] +++ exited with 0 +++ [pid 7964] <... futex resumed>) = 0 [pid 7962] +++ exited with 0 +++ [pid 7959] +++ exited with 0 +++ [pid 7964] exit_group(0 [pid 7965] <... futex resumed>) = ? [pid 7964] <... exit_group resumed>) = ? [pid 7965] +++ exited with 0 +++ [pid 7961] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7961, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7959, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5004] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7973] +++ exited with 0 +++ [pid 7964] +++ exited with 0 +++ [pid 5004] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7964, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5004] <... openat resumed>) = 3 [pid 5004] fstat(3, [pid 5007] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] getdents64(3, [pid 5007] <... openat resumed>) = 3 [pid 5005] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... openat resumed>) = 3 [pid 5007] fstat(3, [pid 5005] fstat(3, [pid 5004] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 5005] getdents64(3, [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 239.983492][ T7973] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7974] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 7974] munmap(0x7fe58005a000, 4194304) = 0 [pid 7974] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7974] ioctl(4, LOOP_SET_FD, 3 [pid 5007] <... umount2 resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7974] <... ioctl resumed>) = 0 [pid 5005] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7974] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./174/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./174/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./174/bus" [pid 5007] lstat("./173/bus", [pid 7974] <... close resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7974] mkdir("./bus", 0777 [pid 5004] lstat("./172/bus", [pid 5005] <... rmdir resumed>) = 0 [pid 5005] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./174/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 7974] <... mkdir resumed>) = 0 [pid 5005] rmdir("./174" [pid 7974] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5007] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./173/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, [pid 5004] umount2("./172/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "./172/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] close(4) = 0 [pid 5007] rmdir("./173/bus") = 0 [pid 5007] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./173/binderfs", [pid 5005] mkdir("./175", 0777 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./173/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./173") = 0 [pid 5007] mkdir("./174", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5004] <... openat resumed>) = 4 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 5004] fstat(4, [pid 5005] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [ 240.149535][ T7974] loop5: detected capacity change from 0 to 8192 [ 240.168323][ T7974] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.183584][ T7974] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5004] getdents64(4, [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./172/bus") = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7976 [pid 5004] unlink("./172/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./172") = 0 [pid 5005] close(3) = 0 [pid 5004] mkdir("./173", 0777 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7976 attached [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7977 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7976] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 7976] chdir("./174" [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7976] <... chdir resumed>) = 0 [pid 5004] close(3 [pid 7976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] <... close resumed>) = 0 [pid 7976] <... prctl resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7978 attached ./strace-static-x86_64: Process 7977 attached [pid 7976] setpgid(0, 0 [pid 7977] set_robust_list(0x5555568c85e0, 24 [pid 7976] <... setpgid resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7978 [pid 7977] <... set_robust_list resumed>) = 0 [pid 7976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7977] chdir("./175" [pid 7976] <... openat resumed>) = 3 [pid 7978] set_robust_list(0x5555568c85e0, 24 [pid 7977] <... chdir resumed>) = 0 [pid 7976] write(3, "1000", 4 [pid 7978] <... set_robust_list resumed>) = 0 [pid 7977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7976] <... write resumed>) = 4 [pid 7978] chdir("./173" [pid 7977] <... prctl resumed>) = 0 [pid 7976] close(3 [pid 7978] <... chdir resumed>) = 0 [pid 7977] setpgid(0, 0 [pid 7976] <... close resumed>) = 0 [pid 7978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7977] <... setpgid resumed>) = 0 [pid 7976] symlink("/dev/binderfs", "./binderfs" [pid 7978] <... prctl resumed>) = 0 [pid 7977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7976] <... symlink resumed>) = 0 [pid 7978] setpgid(0, 0 [pid 7977] <... openat resumed>) = 3 [pid 7976] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7978] <... setpgid resumed>) = 0 [pid 7977] write(3, "1000", 4 [pid 7976] <... futex resumed>) = 0 [pid 7978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7977] <... write resumed>) = 4 [pid 7976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7978] <... openat resumed>) = 3 [pid 7977] close(3 [pid 7976] <... mmap resumed>) = 0x7fe58845a000 [pid 7978] write(3, "1000", 4 [pid 7977] <... close resumed>) = 0 [pid 7976] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7978] <... write resumed>) = 4 [pid 7977] symlink("/dev/binderfs", "./binderfs" [pid 7976] <... mprotect resumed>) = 0 [pid 7978] close(3 [pid 7977] <... symlink resumed>) = 0 [pid 7976] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7978] <... close resumed>) = 0 [pid 7977] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7978] symlink("/dev/binderfs", "./binderfs" [pid 7977] <... futex resumed>) = 0 [pid 7976] <... clone resumed>, parent_tid=[7979], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7979 [pid 7978] <... symlink resumed>) = 0 [pid 7977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7976] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7978] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7977] <... mmap resumed>) = 0x7fe58845a000 [pid 7976] <... futex resumed>) = 0 [pid 7978] <... futex resumed>) = 0 [pid 7977] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7976] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7977] <... mprotect resumed>) = 0 [pid 7978] <... mmap resumed>) = 0x7fe58845a000 [pid 7977] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7978] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7977] <... clone resumed>, parent_tid=[7980], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7980 [pid 7978] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7977] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7978] <... clone resumed>, parent_tid=[7981], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7981 [pid 7977] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7978] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 240.195672][ T7974] REISERFS (device loop5): using ordered data mode [ 240.203245][ T7974] reiserfs: using flush barriers [ 240.218195][ T7974] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7978] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7981 attached ./strace-static-x86_64: Process 7980 attached ./strace-static-x86_64: Process 7979 attached [pid 7980] set_robust_list(0x7fe58847a9e0, 24 [pid 7981] set_robust_list(0x7fe58847a9e0, 24 [pid 7980] <... set_robust_list resumed>) = 0 [pid 7981] <... set_robust_list resumed>) = 0 [pid 7980] memfd_create("syzkaller", 0 [pid 7981] memfd_create("syzkaller", 0 [pid 7980] <... memfd_create resumed>) = 3 [pid 7979] set_robust_list(0x7fe58847a9e0, 24 [pid 7981] <... memfd_create resumed>) = 3 [pid 7981] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7980] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7981] <... mmap resumed>) = 0x7fe58005a000 [pid 7980] <... mmap resumed>) = 0x7fe58005a000 [pid 7979] <... set_robust_list resumed>) = 0 [pid 7979] memfd_create("syzkaller", 0) = 3 [pid 7979] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 240.257212][ T7974] REISERFS (device loop5): checking transaction log (loop5) [ 240.268204][ T7974] REISERFS (device loop5): Using r5 hash to sort names [ 240.293035][ T7974] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7980] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7981] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7974] <... mount resumed>) = 0 [pid 7974] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7974] chdir("./bus") = 0 [pid 7974] ioctl(4, LOOP_CLR_FD) = 0 [ 240.319990][ T7974] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7974] close(4 [pid 7980] <... write resumed>) = 4194304 [pid 7980] munmap(0x7fe58005a000, 4194304) = 0 [pid 7980] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7980] ioctl(4, LOOP_SET_FD, 3 [pid 7974] <... close resumed>) = 0 [pid 7979] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7974] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7981] <... write resumed>) = 4194304 [pid 7980] <... ioctl resumed>) = 0 [pid 7981] munmap(0x7fe58005a000, 4194304 [pid 7980] close(3 [pid 7981] <... munmap resumed>) = 0 [pid 7980] <... close resumed>) = 0 [pid 7974] <... futex resumed>) = 1 [pid 7972] <... futex resumed>) = 0 [pid 7980] mkdir("./bus", 0777 [pid 7972] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7980] <... mkdir resumed>) = 0 [pid 7974] mkdir("./file1", 000 [pid 7972] <... futex resumed>) = 0 [pid 7981] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7980] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7972] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7981] <... openat resumed>) = 4 [pid 7981] ioctl(4, LOOP_SET_FD, 3 [pid 7974] <... mkdir resumed>) = 0 [pid 7974] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7972] <... futex resumed>) = 0 [pid 7974] <... futex resumed>) = 1 [pid 7972] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7974] mkdir("./bus", 000 [pid 7972] <... futex resumed>) = 0 [pid 7974] <... mkdir resumed>) = 0 [pid 7972] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7981] <... ioctl resumed>) = 0 [pid 7981] close(3) = 0 [pid 7981] mkdir("./bus", 0777 [pid 7974] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7974] <... futex resumed>) = 0 [pid 7972] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7974] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7981] <... mkdir resumed>) = 0 [ 240.390512][ T7980] loop2: detected capacity change from 0 to 8192 [ 240.404550][ T7981] loop1: detected capacity change from 0 to 8192 [ 240.413071][ T7980] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.431475][ T7974] overlayfs: upper fs needs to support d_type. [pid 7981] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7972] <... futex resumed>) = 0 [ 240.431859][ T7980] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 240.437665][ T7974] overlayfs: upper fs does not support tmpfile. [ 240.447618][ T7980] REISERFS (device loop2): using ordered data mode [ 240.460181][ T7980] reiserfs: using flush barriers [ 240.465831][ T7981] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.480511][ T7981] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7972] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7972] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7979] <... write resumed>) = 4194304 [pid 7972] <... futex resumed>) = 0 [pid 7979] munmap(0x7fe58005a000, 4194304 [pid 7972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7979] <... munmap resumed>) = 0 [pid 7972] <... mmap resumed>) = 0x7fe580439000 [ 240.489876][ T7980] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 240.507463][ T7974] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 240.510635][ T7981] REISERFS (device loop1): using ordered data mode [ 240.522835][ T7974] overlayfs: failed to resolve './file0': -2 [ 240.524212][ T7981] reiserfs: using flush barriers [ 240.529618][ T7980] REISERFS (device loop2): checking transaction log (loop2) [pid 7979] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7972] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7979] <... openat resumed>) = 4 [pid 7979] ioctl(4, LOOP_SET_FD, 3 [pid 7974] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7972] <... mprotect resumed>) = 0 [pid 7974] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7974] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7979] <... ioctl resumed>) = 0 [pid 7972] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7984], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7984 [pid 7972] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7972] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7979] close(3) = 0 [pid 7979] mkdir("./bus", 0777) = 0 [ 240.536708][ T7981] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 240.543033][ T7979] loop4: detected capacity change from 0 to 8192 [ 240.559111][ T7981] REISERFS (device loop1): checking transaction log (loop1) [ 240.566441][ T7980] REISERFS (device loop2): Using r5 hash to sort names [ 240.579047][ T7981] REISERFS (device loop1): Using r5 hash to sort names [pid 7979] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7984 attached [ 240.579257][ T7980] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 240.587529][ T7979] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.599712][ T7980] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 240.613557][ T7981] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7984] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7980] <... mount resumed>) = 0 [pid 7984] mkdir(".", 0777 [pid 7980] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7984] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7980] <... openat resumed>) = 3 [pid 7984] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7980] chdir("./bus") = 0 [pid 7980] ioctl(4, LOOP_CLR_FD) = 0 [pid 7980] close(4) = 0 [pid 7980] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7977] <... futex resumed>) = 0 [pid 7980] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7977] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7977] <... futex resumed>) = 0 [pid 7980] mkdir("./file1", 000 [ 240.623859][ T7979] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 240.642890][ T7979] REISERFS (device loop4): using ordered data mode [ 240.649418][ T7979] reiserfs: using flush barriers [ 240.655942][ T7979] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 240.662275][ T7984] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7977] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7984] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7981] <... mount resumed>) = 0 [pid 7980] <... mkdir resumed>) = 0 [pid 7980] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7977] <... futex resumed>) = 0 [pid 7984] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7981] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7980] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7977] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7984] <... futex resumed>) = 1 [pid 7981] <... openat resumed>) = 3 [pid 7980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7977] <... futex resumed>) = 0 [pid 7972] <... futex resumed>) = 0 [pid 7984] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7981] chdir("./bus" [pid 7980] mkdir("./bus", 000 [pid 7977] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7972] exit_group(0 [pid 7984] <... futex resumed>) = ? [pid 7981] <... chdir resumed>) = 0 [pid 7980] <... mkdir resumed>) = 0 [pid 7974] <... futex resumed>) = ? [pid 7972] <... exit_group resumed>) = ? [pid 7984] +++ exited with 0 +++ [pid 7981] ioctl(4, LOOP_CLR_FD [pid 7980] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7974] +++ exited with 0 +++ [pid 7972] +++ exited with 0 +++ [pid 7981] <... ioctl resumed>) = 0 [pid 7980] <... futex resumed>) = 1 [pid 7977] <... futex resumed>) = 0 [pid 7981] close(4 [pid 7980] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7977] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7972, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7981] <... close resumed>) = 0 [pid 7980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7977] <... futex resumed>) = 0 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 7981] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7980] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7977] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... restart_syscall resumed>) = 0 [ 240.672164][ T7981] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 240.696884][ T7979] REISERFS (device loop4): checking transaction log (loop4) [ 240.705230][ T7979] REISERFS (device loop4): Using r5 hash to sort names [ 240.712719][ T7979] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 240.725491][ T7979] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 240.729300][ T7980] overlayfs: upper fs needs to support d_type. [pid 7981] <... futex resumed>) = 1 [pid 7979] <... mount resumed>) = 0 [pid 7978] <... futex resumed>) = 0 [pid 7981] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7979] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7978] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7979] <... openat resumed>) = 3 [pid 7978] <... futex resumed>) = 0 [pid 7979] chdir("./bus" [pid 7978] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7979] <... chdir resumed>) = 0 [pid 7981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7981] mkdir("./file1", 000 [pid 7979] ioctl(4, LOOP_CLR_FD [pid 5008] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7979] <... ioctl resumed>) = 0 [pid 7979] close(4 [pid 7981] <... mkdir resumed>) = 0 [pid 7979] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7979] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7976] <... futex resumed>) = 0 [pid 7979] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7976] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7976] <... futex resumed>) = 0 [pid 7979] mkdir("./file1", 000 [pid 7976] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7981] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7979] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7981] <... futex resumed>) = 1 [pid 7979] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7978] <... futex resumed>) = 0 [pid 7981] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7979] <... futex resumed>) = 1 [pid 7976] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7979] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7976] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7976] <... futex resumed>) = 0 [pid 7979] mkdir("./bus", 000 [pid 7976] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7979] <... mkdir resumed>) = 0 [pid 7979] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7976] <... futex resumed>) = 0 [pid 7979] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7976] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7976] <... futex resumed>) = 0 [pid 7979] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7976] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 240.742865][ T7980] overlayfs: upper fs does not support tmpfile. [ 240.765450][ T7979] overlayfs: upper fs needs to support d_type. [ 240.772624][ T7979] overlayfs: upper fs does not support tmpfile. [ 240.779469][ T7979] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7978] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] fstat(3, [pid 7981] mkdir("./bus", 000 [pid 7978] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7981] <... mkdir resumed>) = 0 [pid 7978] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7981] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(3, [pid 7978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7981] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 7978] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7981] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5008] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7978] <... futex resumed>) = 0 [pid 7978] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7977] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7979] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7977] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7979] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7977] <... futex resumed>) = 0 [pid 7979] <... futex resumed>) = 1 [pid 7977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7976] <... futex resumed>) = 0 [pid 7979] mkdir(".", 0777 [pid 7977] <... mmap resumed>) = 0x7fe580439000 [pid 7976] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7979] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7977] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7976] <... futex resumed>) = 0 [pid 7979] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7977] <... mprotect resumed>) = 0 [pid 7976] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7977] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7986], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7986 [pid 7977] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 240.790126][ T7979] overlayfs: failed to resolve './file0': -2 [ 240.791664][ T7981] overlayfs: upper fs needs to support d_type. [ 240.797049][ T7980] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 240.819651][ T7979] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 240.831230][ T7981] overlayfs: upper fs does not support tmpfile. [pid 7977] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7986 attached [pid 7986] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7986] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7986] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7978] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7978] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7978] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7978] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7987], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 7987 [pid 7978] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7978] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7987 attached [pid 7987] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 7979] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7979] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7976] <... futex resumed>) = 0 [pid 7976] exit_group(0) = ? [pid 7979] <... futex resumed>) = ? [pid 7987] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7987] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7979] +++ exited with 0 +++ [pid 7976] +++ exited with 0 +++ [pid 7986] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7986] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7977] <... futex resumed>) = 0 [pid 7986] <... futex resumed>) = 1 [pid 7986] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7976, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5007] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 240.836535][ T7980] overlayfs: failed to resolve './file0': -2 [ 240.856975][ T7986] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 240.886268][ T7981] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5007] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7980] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... umount2 resumed>) = 0 [pid 7980] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7980] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7977] exit_group(0 [pid 7986] <... futex resumed>) = ? [pid 7980] <... futex resumed>) = ? [pid 7977] <... exit_group resumed>) = ? [pid 7986] +++ exited with 0 +++ [pid 7980] +++ exited with 0 +++ [pid 7977] +++ exited with 0 +++ [pid 7987] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7977, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./176/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] openat(AT_FDCWD, "./176/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 4 [pid 5005] fstat(3, [pid 5008] fstat(4, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, [pid 5008] getdents64(4, [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./176/bus") = 0 [pid 5008] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./176/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./176") = 0 [pid 5008] mkdir("./177", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7988 [pid 7987] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7978] <... futex resumed>) = 0 [pid 7987] <... futex resumed>) = 1 [pid 7987] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7988 attached [pid 7988] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7988] chdir("./177") = 0 [pid 7988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7988] setpgid(0, 0) = 0 [pid 7988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7988] write(3, "1000", 4) = 4 [pid 7988] close(3) = 0 [pid 7988] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7988] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 240.894426][ T7987] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 240.913232][ T7981] overlayfs: failed to resolve './file0': -2 [pid 7988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7988] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7988] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7989], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7989 [pid 7988] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7988] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7989 attached [pid 7989] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7989] memfd_create("syzkaller", 0) = 3 [pid 7989] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7981] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7981] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7978] exit_group(0 [pid 7987] <... futex resumed>) = ? [pid 7981] <... futex resumed>) = ? [pid 7978] <... exit_group resumed>) = ? [pid 7987] +++ exited with 0 +++ [pid 7981] +++ exited with 0 +++ [pid 7978] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7978, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5004] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./174/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./174/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./174/bus") = 0 [pid 5007] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./174/binderfs", [pid 5005] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./174/binderfs" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... unlink resumed>) = 0 [pid 5005] lstat("./175/bus", [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./174" [pid 5005] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] mkdir("./175", 0777 [pid 5005] openat(AT_FDCWD, "./175/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... mkdir resumed>) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5005] fstat(4, [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7990 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./175/bus") = 0 [pid 5005] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./175/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./175") = 0 [pid 5005] mkdir("./176", 0777./strace-static-x86_64: Process 7990 attached ) = 0 [pid 7990] set_robust_list(0x5555568c85e0, 24 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7990] <... set_robust_list resumed>) = 0 [pid 7990] chdir("./175" [pid 5005] <... openat resumed>) = 3 [pid 7990] <... chdir resumed>) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 7990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7990] <... prctl resumed>) = 0 [pid 5005] close(3 [pid 7990] setpgid(0, 0) = 0 [pid 5005] <... close resumed>) = 0 [pid 7990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7990] <... openat resumed>) = 3 [pid 7990] write(3, "1000", 4) = 4 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 7991 [pid 7990] close(3) = 0 [pid 7990] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7989] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7990] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7991 attached [pid 7990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7991] set_robust_list(0x5555568c85e0, 24 [pid 7990] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 7991] <... set_robust_list resumed>) = 0 [pid 7990] <... mprotect resumed>) = 0 [pid 7991] chdir("./176" [pid 7990] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7991] <... chdir resumed>) = 0 [pid 7991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7990] <... clone resumed>, parent_tid=[7992], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7992 [pid 7991] <... prctl resumed>) = 0 [pid 7990] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7991] setpgid(0, 0 [pid 7990] <... futex resumed>) = 0 [pid 7991] <... setpgid resumed>) = 0 [pid 7990] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7991] write(3, "1000", 4) = 4 [pid 7991] close(3) = 0 [pid 7991] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 7992 attached [pid 7991] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7992] set_robust_list(0x7fe58847a9e0, 24 [pid 7991] <... futex resumed>) = 0 [pid 7992] <... set_robust_list resumed>) = 0 [pid 7992] memfd_create("syzkaller", 0 [pid 7991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7992] <... memfd_create resumed>) = 3 [pid 7991] <... mmap resumed>) = 0x7fe58845a000 [pid 7992] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 7991] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7991] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7993], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7993 [pid 7991] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7991] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7993 attached [pid 7993] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7993] memfd_create("syzkaller", 0 [pid 5004] lstat("./173/bus", [pid 7993] <... memfd_create resumed>) = 3 [pid 7993] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7993] <... mmap resumed>) = 0x7fe58005a000 [pid 5004] umount2("./173/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./173/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./173/bus") = 0 [pid 5004] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./173/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./173") = 0 [pid 5004] mkdir("./174", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 7994 ./strace-static-x86_64: Process 7994 attached [pid 7994] set_robust_list(0x5555568c85e0, 24) = 0 [pid 7994] chdir("./174") = 0 [pid 7994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7994] setpgid(0, 0) = 0 [pid 7994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7994] write(3, "1000", 4) = 4 [pid 7994] close(3) = 0 [pid 7994] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7994] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 7994] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7994] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7995], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 7995 [pid 7994] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7994] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7995 attached [pid 7995] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 7995] memfd_create("syzkaller", 0 [pid 7993] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7989] <... write resumed>) = 4194304 [pid 7995] <... memfd_create resumed>) = 3 [pid 7989] munmap(0x7fe58005a000, 4194304 [pid 7995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7992] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7995] <... mmap resumed>) = 0x7fe58005a000 [pid 7989] <... munmap resumed>) = 0 [pid 7989] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7989] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7989] close(3) = 0 [pid 7989] mkdir("./bus", 0777) = 0 [pid 7989] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 241.222544][ T7989] loop5: detected capacity change from 0 to 8192 [ 241.244426][ T7989] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 241.261210][ T7989] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 7992] <... write resumed>) = 4194304 [pid 7992] munmap(0x7fe58005a000, 4194304 [pid 7995] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7993] <... write resumed>) = 4194304 [pid 7992] <... munmap resumed>) = 0 [pid 7992] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7992] ioctl(4, LOOP_SET_FD, 3 [pid 7993] munmap(0x7fe58005a000, 4194304 [pid 7992] <... ioctl resumed>) = 0 [pid 7992] close(3) = 0 [pid 7992] mkdir("./bus", 0777 [ 241.270955][ T7989] REISERFS (device loop5): using ordered data mode [ 241.278636][ T7989] reiserfs: using flush barriers [ 241.286614][ T7989] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 241.298936][ T7992] loop4: detected capacity change from 0 to 8192 [ 241.303149][ T7989] REISERFS (device loop5): checking transaction log (loop5) [pid 7993] <... munmap resumed>) = 0 [pid 7992] <... mkdir resumed>) = 0 [pid 7993] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7993] ioctl(4, LOOP_SET_FD, 3 [pid 7992] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7989] <... mount resumed>) = 0 [pid 7993] <... ioctl resumed>) = 0 [pid 7989] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7993] close(3 [pid 7989] <... openat resumed>) = 3 [pid 7993] <... close resumed>) = 0 [pid 7989] chdir("./bus" [pid 7993] mkdir("./bus", 0777 [pid 7989] <... chdir resumed>) = 0 [pid 7993] <... mkdir resumed>) = 0 [pid 7989] ioctl(4, LOOP_CLR_FD [pid 7993] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7989] <... ioctl resumed>) = 0 [ 241.317785][ T7989] REISERFS (device loop5): Using r5 hash to sort names [ 241.325344][ T7989] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 241.332089][ T7993] loop2: detected capacity change from 0 to 8192 [ 241.338462][ T7989] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 241.355901][ T7992] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7989] close(4 [pid 7995] <... write resumed>) = 4194304 [pid 7989] <... close resumed>) = 0 [pid 7989] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7995] munmap(0x7fe58005a000, 4194304 [pid 7989] <... futex resumed>) = 1 [pid 7988] <... futex resumed>) = 0 [pid 7995] <... munmap resumed>) = 0 [pid 7989] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7988] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7995] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7988] <... futex resumed>) = 0 [pid 7995] <... openat resumed>) = 4 [pid 7989] mkdir("./file1", 000 [pid 7988] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7995] ioctl(4, LOOP_SET_FD, 3 [pid 7989] <... mkdir resumed>) = 0 [ 241.371041][ T7992] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 241.383829][ T7993] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 241.397388][ T7993] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 241.409029][ T7993] REISERFS (device loop2): using ordered data mode [ 241.415436][ T7995] loop1: detected capacity change from 0 to 8192 [pid 7989] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7988] <... futex resumed>) = 0 [pid 7989] mkdir("./bus", 000 [pid 7988] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7989] <... mkdir resumed>) = 0 [pid 7988] <... futex resumed>) = 0 [pid 7988] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7989] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7988] <... futex resumed>) = 0 [pid 7989] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7988] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7988] <... futex resumed>) = 0 [pid 7989] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7988] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7995] <... ioctl resumed>) = 0 [pid 7995] close(3) = 0 [pid 7995] mkdir("./bus", 0777) = 0 [ 241.415919][ T7993] reiserfs: using flush barriers [ 241.428481][ T7993] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 241.432480][ T7989] overlayfs: upper fs needs to support d_type. [ 241.444946][ T7993] REISERFS (device loop2): checking transaction log (loop2) [ 241.459164][ T7993] REISERFS (device loop2): Using r5 hash to sort names [ 241.466568][ T7992] REISERFS (device loop4): using ordered data mode [pid 7995] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7988] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7988] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7988] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7988] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8000], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8000 [pid 7988] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7988] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8000 attached [pid 8000] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8000] mkdir(".", 0777) = -1 EEXIST (File exists) [ 241.468264][ T7995] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 241.473388][ T7993] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 241.491628][ T7995] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 241.499130][ T7992] reiserfs: using flush barriers [ 241.514476][ T7989] overlayfs: upper fs does not support tmpfile. [pid 8000] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [ 241.521379][ T7995] REISERFS (device loop1): using ordered data mode [ 241.524253][ T8000] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 241.529053][ T7995] reiserfs: using flush barriers [ 241.542802][ T7993] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 241.548518][ T7989] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8000] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7993] <... mount resumed>) = 0 [pid 8000] <... futex resumed>) = 1 [pid 7993] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7988] <... futex resumed>) = 0 [pid 8000] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7993] <... openat resumed>) = 3 [pid 7993] chdir("./bus") = 0 [pid 7993] ioctl(4, LOOP_CLR_FD) = 0 [pid 7993] close(4) = 0 [ 241.557586][ T7992] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 241.580513][ T7992] REISERFS (device loop4): checking transaction log (loop4) [ 241.591175][ T7989] overlayfs: failed to resolve './file0': -2 [ 241.601620][ T7995] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 241.617092][ T7992] REISERFS (device loop4): Using r5 hash to sort names [pid 7993] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7991] <... futex resumed>) = 0 [pid 7993] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7991] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7989] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7991] <... futex resumed>) = 0 [pid 7993] mkdir("./file1", 000) = 0 [pid 7993] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7993] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7991] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7989] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [ 241.618178][ T7995] REISERFS (device loop1): checking transaction log (loop1) [ 241.633567][ T7995] REISERFS (device loop1): Using r5 hash to sort names [ 241.640663][ T7995] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 241.653696][ T7995] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7988] exit_group(0 [pid 8000] <... futex resumed>) = ? [pid 7995] <... mount resumed>) = 0 [pid 7991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7989] <... futex resumed>) = ? [pid 7988] <... exit_group resumed>) = ? [pid 8000] +++ exited with 0 +++ [pid 7995] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 7991] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7989] +++ exited with 0 +++ [pid 7995] <... openat resumed>) = 3 [pid 7991] <... futex resumed>) = 1 [pid 7988] +++ exited with 0 +++ [pid 7991] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7988, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5008] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7995] chdir("./bus") = 0 [pid 7995] ioctl(4, LOOP_CLR_FD) = 0 [pid 7995] close(4) = 0 [pid 7995] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7995] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7993] <... futex resumed>) = 0 [pid 7993] mkdir("./bus", 000) = 0 [pid 7993] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7991] <... futex resumed>) = 0 [pid 7993] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7991] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7991] <... futex resumed>) = 0 [pid 7993] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7991] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7994] <... futex resumed>) = 0 [pid 7994] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7995] <... futex resumed>) = 0 [pid 7994] <... futex resumed>) = 1 [pid 7992] <... mount resumed>) = 0 [pid 7995] mkdir("./file1", 000 [pid 7994] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7995] <... mkdir resumed>) = 0 [pid 7995] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7994] <... futex resumed>) = 0 [pid 7995] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7994] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7994] <... futex resumed>) = 0 [pid 7995] mkdir("./bus", 000 [pid 7994] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7995] <... mkdir resumed>) = 0 [pid 7995] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7994] <... futex resumed>) = 0 [ 241.659441][ T7992] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 241.679602][ T7992] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 241.689094][ T7993] overlayfs: upper fs needs to support d_type. [ 241.696393][ T7993] overlayfs: upper fs does not support tmpfile. [ 241.716327][ T7993] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7995] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7994] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7994] <... futex resumed>) = 0 [pid 7995] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7994] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7992] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 7992] chdir("./bus") = 0 [pid 7992] ioctl(4, LOOP_CLR_FD) = 0 [pid 7991] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7992] close(4 [pid 7991] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7992] <... close resumed>) = 0 [pid 7991] <... futex resumed>) = 0 [pid 7992] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7990] <... futex resumed>) = 0 [pid 7992] mkdir("./file1", 000 [pid 7990] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7992] <... mkdir resumed>) = 0 [pid 7990] <... futex resumed>) = 0 [pid 7992] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7990] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7992] <... futex resumed>) = 0 [pid 7990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7992] mkdir("./bus", 000 [pid 7990] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7992] <... mkdir resumed>) = 0 [pid 7990] <... futex resumed>) = 0 [pid 7992] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7990] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7992] <... futex resumed>) = 0 [pid 7991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7992] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 7990] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 7991] <... mmap resumed>) = 0x7fe580439000 [pid 7990] <... futex resumed>) = 0 [pid 7991] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 7990] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7991] <... mprotect resumed>) = 0 [pid 7991] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8001], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8001 [pid 7991] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 241.725102][ T7995] overlayfs: upper fs needs to support d_type. [ 241.733224][ T7993] overlayfs: failed to resolve './file0': -2 [ 241.750573][ T7992] overlayfs: upper fs needs to support d_type. [ 241.757225][ T7995] overlayfs: upper fs does not support tmpfile. [pid 7991] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8001 attached [pid 8001] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8001] mkdir(".", 0777 [pid 7994] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8001] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8001] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7994] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7994] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7994] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8002], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8002 [pid 7994] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7994] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7993] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7993] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7993] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8002 attached [pid 8002] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8002] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8002] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7990] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7990] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 7990] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7990] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8003], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8003 [pid 7990] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7990] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8003 attached [pid 8003] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8003] mkdir(".", 0777) = -1 EEXIST (File exists) [ 241.769638][ T7992] overlayfs: upper fs does not support tmpfile. [ 241.778369][ T7995] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 241.797991][ T8001] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 241.802205][ T7992] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8003] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... umount2 resumed>) = 0 [pid 8003] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8002] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8001] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8001] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8001] <... futex resumed>) = 1 [pid 7991] <... futex resumed>) = 0 [pid 5008] lstat("./177/bus", [pid 8001] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7991] exit_group(0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8001] <... futex resumed>) = ? [pid 7993] <... futex resumed>) = ? [pid 7991] <... exit_group resumed>) = ? [pid 5008] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8001] +++ exited with 0 +++ [pid 7993] +++ exited with 0 +++ [pid 7991] +++ exited with 0 +++ [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./177/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7991, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5008] <... openat resumed>) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(4, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] getdents64(4, [pid 5005] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] fstat(3, [pid 5008] close(4 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... close resumed>) = 0 [pid 5005] getdents64(3, [pid 5008] rmdir("./177/bus" [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] <... rmdir resumed>) = 0 [pid 5005] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./177/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./177") = 0 [pid 5008] mkdir("./178", 0777) = 0 [pid 8003] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8002] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8003] <... futex resumed>) = 1 [pid 8002] <... futex resumed>) = 1 [pid 7990] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 8003] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8002] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7994] <... futex resumed>) = 0 [ 241.843467][ T8002] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 241.858595][ T8003] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 241.859940][ T7995] overlayfs: failed to resolve './file0': -2 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8004 attached , child_tidptr=0x5555568c85d0) = 8004 [pid 7992] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7992] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7992] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8004] set_robust_list(0x5555568c85e0, 24 [pid 7995] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7990] exit_group(0 [pid 8004] <... set_robust_list resumed>) = 0 [pid 8003] <... futex resumed>) = ? [pid 7995] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7992] <... futex resumed>) = ? [pid 7990] <... exit_group resumed>) = ? [pid 8003] +++ exited with 0 +++ [pid 7992] +++ exited with 0 +++ [pid 7995] <... futex resumed>) = 0 [pid 7990] +++ exited with 0 +++ [pid 7995] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7990, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7994] exit_group(0 [pid 8004] chdir("./178" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8002] <... futex resumed>) = ? [pid 7995] <... futex resumed>) = ? [pid 7994] <... exit_group resumed>) = ? [pid 5007] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8002] +++ exited with 0 +++ [pid 7995] +++ exited with 0 +++ [pid 7994] +++ exited with 0 +++ [pid 8004] <... chdir resumed>) = 0 [pid 8004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7994, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 8004] <... prctl resumed>) = 0 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 8004] setpgid(0, 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 8004] <... setpgid resumed>) = 0 [pid 8004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5004] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8004] write(3, "1000", 4 [pid 5005] <... umount2 resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8004] <... write resumed>) = 4 [pid 8004] close(3 [pid 5005] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8004] <... close resumed>) = 0 [pid 8004] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... openat resumed>) = 3 [pid 8004] <... symlink resumed>) = 0 [pid 5004] fstat(3, [pid 8004] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] lstat("./176/bus", [pid 8004] <... futex resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8004] <... mmap resumed>) = 0x7fe58845a000 [pid 5004] getdents64(3, [ 241.886524][ T7992] overlayfs: failed to resolve './file0': -2 [pid 8004] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8004] <... mprotect resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8004] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./176/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8004] <... clone resumed>, parent_tid=[8005], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8005 [pid 5005] <... openat resumed>) = 4 [pid 8004] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] fstat(4, [pid 8004] <... futex resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8004] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./176/bus") = 0 [pid 5005] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./176/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./176") = 0 [pid 5005] mkdir("./177", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8005 attached , child_tidptr=0x5555568c85d0) = 8006 ./strace-static-x86_64: Process 8006 attached [pid 8006] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8005] set_robust_list(0x7fe58847a9e0, 24 [pid 8006] chdir("./177" [pid 8005] <... set_robust_list resumed>) = 0 [pid 8006] <... chdir resumed>) = 0 [pid 8006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8006] setpgid(0, 0 [pid 8005] memfd_create("syzkaller", 0 [pid 8006] <... setpgid resumed>) = 0 [pid 8005] <... memfd_create resumed>) = 3 [pid 8005] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8005] <... mmap resumed>) = 0x7fe58005a000 [pid 8006] <... openat resumed>) = 3 [pid 8006] write(3, "1000", 4) = 4 [pid 8006] close(3) = 0 [pid 8006] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8006] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8006] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8006] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8007], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8007 [pid 8006] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8006] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8007 attached [pid 8007] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8007] memfd_create("syzkaller", 0) = 3 [pid 8007] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./175/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./175/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./175/bus") = 0 [pid 5007] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./175/binderfs", [pid 5004] <... umount2 resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] unlink("./175/binderfs" [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8005] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... unlink resumed>) = 0 [pid 5004] lstat("./174/bus", [pid 8007] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] getdents64(3, [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] umount2("./174/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] close(3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... close resumed>) = 0 [pid 5004] openat(AT_FDCWD, "./174/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] rmdir("./175" [pid 5004] <... openat resumed>) = 4 [pid 5007] <... rmdir resumed>) = 0 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] mkdir("./176", 0777 [pid 5004] getdents64(4, [pid 5007] <... mkdir resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5004] getdents64(4, [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] close(4 [pid 5007] close(3 [pid 5004] <... close resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5004] rmdir("./174/bus") = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8008 [pid 5004] lstat("./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./174/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./174") = 0 [pid 5004] mkdir("./175", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 8008 attached [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8008] set_robust_list(0x5555568c85e0, 24 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8009 [pid 8008] <... set_robust_list resumed>) = 0 [pid 8008] chdir("./176") = 0 [pid 8008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8008] setpgid(0, 0) = 0 [pid 8008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8008] write(3, "1000", 4) = 4 [pid 8008] close(3) = 0 [pid 8008] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8008] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 ./strace-static-x86_64: Process 8009 attached [pid 8008] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8009] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8008] <... mprotect resumed>) = 0 [pid 8009] chdir("./175" [pid 8008] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8009] <... chdir resumed>) = 0 [pid 8009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8008] <... clone resumed>, parent_tid=[8010], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8010 [pid 8009] <... prctl resumed>) = 0 [pid 8008] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8009] setpgid(0, 0 [pid 8008] <... futex resumed>) = 0 [pid 8009] <... setpgid resumed>) = 0 [pid 8008] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8009] write(3, "1000", 4) = 4 [pid 8009] close(3) = 0 [pid 8009] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8009] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8009] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8009] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8010 attached [pid 8010] set_robust_list(0x7fe58847a9e0, 24 [pid 8009] <... clone resumed>, parent_tid=[8011], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8011 [pid 8010] <... set_robust_list resumed>) = 0 [pid 8009] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8009] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8010] memfd_create("syzkaller", 0) = 3 [pid 8010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 8011 attached [pid 8011] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8011] memfd_create("syzkaller", 0) = 3 [pid 8007] <... write resumed>) = 4194304 [pid 8011] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8007] munmap(0x7fe58005a000, 4194304) = 0 [pid 8007] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8007] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8005] <... write resumed>) = 4194304 [pid 8005] munmap(0x7fe58005a000, 4194304) = 0 [pid 8005] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8005] ioctl(4, LOOP_SET_FD, 3 [pid 8007] close(3) = 0 [pid 8007] mkdir("./bus", 0777) = 0 [pid 8007] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8010] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8005] <... ioctl resumed>) = 0 [ 242.202280][ T8007] loop2: detected capacity change from 0 to 8192 [ 242.217655][ T8005] loop5: detected capacity change from 0 to 8192 [ 242.231018][ T8007] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8005] close(3 [pid 8011] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8005] <... close resumed>) = 0 [pid 8005] mkdir("./bus", 0777) = 0 [ 242.245424][ T8007] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 242.255872][ T8007] REISERFS (device loop2): using ordered data mode [ 242.263833][ T8007] reiserfs: using flush barriers [ 242.269824][ T8005] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 242.271056][ T8007] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8005] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8007] <... mount resumed>) = 0 [ 242.299286][ T8005] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 242.299831][ T8007] REISERFS (device loop2): checking transaction log (loop2) [ 242.317040][ T8007] REISERFS (device loop2): Using r5 hash to sort names [ 242.324172][ T8007] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 242.328839][ T8005] REISERFS (device loop5): using ordered data mode [ 242.336887][ T8007] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8007] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8010] <... write resumed>) = 4194304 [pid 8010] munmap(0x7fe58005a000, 4194304 [pid 8007] chdir("./bus") = 0 [pid 8011] <... write resumed>) = 4194304 [pid 8010] <... munmap resumed>) = 0 [pid 8011] munmap(0x7fe58005a000, 4194304) = 0 [pid 8010] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8007] ioctl(4, LOOP_CLR_FD [pid 8010] ioctl(4, LOOP_SET_FD, 3 [pid 8007] <... ioctl resumed>) = 0 [pid 8011] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 242.353168][ T8005] reiserfs: using flush barriers [ 242.359725][ T8005] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 242.377453][ T8005] REISERFS (device loop5): checking transaction log (loop5) [ 242.386644][ T8005] REISERFS (device loop5): Using r5 hash to sort names [ 242.387169][ T8010] loop4: detected capacity change from 0 to 8192 [pid 8011] ioctl(4, LOOP_SET_FD, 3 [pid 8007] close(4 [pid 8010] <... ioctl resumed>) = 0 [pid 8010] close(3) = 0 [pid 8010] mkdir("./bus", 0777) = 0 [pid 8010] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8011] <... ioctl resumed>) = 0 [pid 8007] <... close resumed>) = 0 [pid 8005] <... mount resumed>) = 0 [pid 8007] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8006] <... futex resumed>) = 0 [pid 8005] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8007] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8006] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8006] <... futex resumed>) = 0 [pid 8005] <... openat resumed>) = 3 [pid 8007] mkdir("./file1", 000 [pid 8006] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8007] <... mkdir resumed>) = 0 [pid 8005] chdir("./bus" [pid 8007] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8006] <... futex resumed>) = 0 [pid 8005] <... chdir resumed>) = 0 [pid 8007] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8006] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8006] <... futex resumed>) = 0 [pid 8005] ioctl(4, LOOP_CLR_FD [pid 8007] mkdir("./bus", 000 [pid 8006] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8005] <... ioctl resumed>) = 0 [pid 8007] <... mkdir resumed>) = 0 [pid 8005] close(4 [pid 8011] close(3 [pid 8007] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8005] <... close resumed>) = 0 [pid 8011] <... close resumed>) = 0 [pid 8007] <... futex resumed>) = 1 [pid 8006] <... futex resumed>) = 0 [pid 8005] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8011] mkdir("./bus", 0777 [pid 8007] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8006] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8005] <... futex resumed>) = 1 [pid 8004] <... futex resumed>) = 0 [pid 8011] <... mkdir resumed>) = 0 [pid 8007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8006] <... futex resumed>) = 0 [pid 8005] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8004] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8011] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8007] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8006] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8004] <... futex resumed>) = 0 [ 242.393906][ T8005] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 242.403974][ T8011] loop1: detected capacity change from 0 to 8192 [ 242.413031][ T8005] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 242.439504][ T8007] overlayfs: upper fs needs to support d_type. [pid 8005] mkdir("./file1", 000 [pid 8004] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8005] <... mkdir resumed>) = 0 [pid 8005] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8004] <... futex resumed>) = 0 [pid 8005] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8004] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8004] <... futex resumed>) = 0 [pid 8005] mkdir("./bus", 000 [pid 8004] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8005] <... mkdir resumed>) = 0 [pid 8005] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8004] <... futex resumed>) = 0 [pid 8005] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8004] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8004] <... futex resumed>) = 0 [ 242.446907][ T8010] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 242.462211][ T8007] overlayfs: upper fs does not support tmpfile. [ 242.473724][ T8005] overlayfs: upper fs needs to support d_type. [ 242.479930][ T8005] overlayfs: upper fs does not support tmpfile. [ 242.482570][ T8010] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8005] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8004] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8006] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8006] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8006] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8006] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8016], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8016 [pid 8006] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8006] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8016 attached [pid 8016] set_robust_list(0x7fe5804599e0, 24) = 0 [ 242.486899][ T8011] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 242.496221][ T8007] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 242.517041][ T8007] overlayfs: failed to resolve './file0': -2 [ 242.529786][ T8005] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 242.537096][ T8011] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 242.537424][ T8010] REISERFS (device loop4): using ordered data mode [pid 8016] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8007] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8016] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8007] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8004] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8007] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8005] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8004] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8005] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 242.549000][ T8005] overlayfs: failed to resolve './file0': -2 [ 242.553328][ T8010] reiserfs: using flush barriers [ 242.560759][ T8011] REISERFS (device loop1): using ordered data mode [ 242.566073][ T8010] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 242.572402][ T8011] reiserfs: using flush barriers [ 242.587968][ T8010] REISERFS (device loop4): checking transaction log (loop4) [pid 8005] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8004] <... futex resumed>) = 0 [pid 8004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8004] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8004] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8017], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8017 [pid 8004] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8004] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8016] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8016] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8006] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8017 attached [pid 8006] exit_group(0 [pid 8007] <... futex resumed>) = ? [pid 8006] <... exit_group resumed>) = ? [pid 8007] +++ exited with 0 +++ [pid 8016] <... futex resumed>) = ? [pid 8016] +++ exited with 0 +++ [pid 8006] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8006, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5005] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 242.601647][ T8011] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 242.608155][ T8016] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 242.618537][ T8011] REISERFS (device loop1): checking transaction log (loop1) [ 242.641204][ T8010] REISERFS (device loop4): Using r5 hash to sort names [pid 5005] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8017] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8010] <... mount resumed>) = 0 [pid 8017] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8017] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8010] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8010] chdir("./bus") = 0 [pid 8010] ioctl(4, LOOP_CLR_FD) = 0 [pid 8010] close(4) = 0 [pid 8010] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] <... futex resumed>) = 0 [pid 8008] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8008] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8010] <... futex resumed>) = 1 [pid 8010] mkdir("./file1", 000) = 0 [pid 8010] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] <... futex resumed>) = 0 [pid 8008] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8008] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8010] <... futex resumed>) = 1 [pid 8010] mkdir("./bus", 000) = 0 [pid 8010] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] <... futex resumed>) = 0 [pid 8008] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8008] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8010] <... futex resumed>) = 1 [ 242.648718][ T8010] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 242.655376][ T8011] REISERFS (device loop1): Using r5 hash to sort names [ 242.661943][ T8010] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 242.670055][ T8011] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 242.692691][ T8011] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8010] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8011] <... mount resumed>) = 0 [pid 8011] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8011] chdir("./bus") = 0 [pid 8011] ioctl(4, LOOP_CLR_FD) = 0 [pid 8011] close(4) = 0 [pid 8011] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8009] <... futex resumed>) = 0 [pid 8009] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8009] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8011] <... futex resumed>) = 1 [pid 8011] mkdir("./file1", 000) = 0 [pid 8011] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8009] <... futex resumed>) = 0 [pid 8009] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8009] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8011] <... futex resumed>) = 1 [pid 8011] mkdir("./bus", 000) = 0 [pid 8011] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8009] <... futex resumed>) = 0 [pid 8009] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8009] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8011] <... futex resumed>) = 1 [pid 8011] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8008] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8008] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8008] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8008] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8018], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8018 [pid 8008] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 242.702543][ T8010] overlayfs: upper fs needs to support d_type. [ 242.708763][ T8010] overlayfs: upper fs does not support tmpfile. [ 242.717704][ T8011] overlayfs: upper fs needs to support d_type. [ 242.727733][ T8017] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 242.728238][ T8010] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8008] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8018 attached [pid 8009] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8009] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8009] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8009] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8019], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8019 [pid 8009] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8009] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8018] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8018] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8018] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8017] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8017] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8004] <... futex resumed>) = 0 [pid 8017] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8004] exit_group(0 [pid 8017] <... futex resumed>) = ? [pid 8005] <... futex resumed>) = ? [pid 8004] <... exit_group resumed>) = ? [pid 8017] +++ exited with 0 +++ [pid 8005] +++ exited with 0 +++ ./strace-static-x86_64: Process 8019 attached [pid 8004] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8004, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 8019] set_robust_list(0x7fe5804599e0, 24 [pid 5008] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8019] <... set_robust_list resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8019] mkdir(".", 0777 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8019] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8019] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 242.754222][ T8011] overlayfs: upper fs does not support tmpfile. [ 242.756264][ T8010] overlayfs: failed to resolve './file0': -2 [ 242.781317][ T8011] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 242.789223][ T8018] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8018] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8018] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] <... futex resumed>) = 0 [pid 8018] <... futex resumed>) = 1 [pid 8018] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8011] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8010] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8011] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8010] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8011] <... futex resumed>) = 0 [pid 8010] <... futex resumed>) = 0 [pid 8008] exit_group(0 [pid 8011] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8008] <... exit_group resumed>) = ? [pid 8010] +++ exited with 0 +++ [pid 8018] <... futex resumed>) = ? [pid 8018] +++ exited with 0 +++ [pid 8008] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8008, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./177/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./177/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8019] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8019] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8009] <... futex resumed>) = 0 [pid 5005] getdents64(4, [pid 8009] exit_group(0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8011] <... futex resumed>) = ? [pid 8009] <... exit_group resumed>) = ? [pid 8011] +++ exited with 0 +++ [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [ 242.844519][ T8011] overlayfs: failed to resolve './file0': -2 [ 242.847315][ T8019] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] rmdir("./177/bus") = 0 [pid 5005] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8019] <... futex resumed>) = ? [pid 5005] lstat("./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./177/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./177") = 0 [pid 5005] mkdir("./178", 0777 [pid 8019] +++ exited with 0 +++ [pid 8009] +++ exited with 0 +++ [pid 5005] <... mkdir resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8009, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5004] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] close(3 [pid 5004] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./176/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./176/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./176/bus") = 0 [pid 5007] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./176/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./176") = 0 ./strace-static-x86_64: Process 8020 attached [pid 8020] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5007] mkdir("./177", 0777 [pid 8020] chdir("./178" [pid 5007] <... mkdir resumed>) = 0 [pid 8020] <... chdir resumed>) = 0 [pid 8020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8020] setpgid(0, 0) = 0 [pid 8020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 8020] <... openat resumed>) = 3 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8020 [pid 8020] write(3, "1000", 4) = 4 [pid 8020] close(3) = 0 [pid 8020] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8020] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8021 attached [pid 8020] <... mmap resumed>) = 0x7fe58845a000 [pid 5008] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8021 [pid 8020] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8021] set_robust_list(0x5555568c85e0, 24 [pid 5008] lstat("./178/bus", [pid 8020] <... mprotect resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8021] <... set_robust_list resumed>) = 0 [pid 8021] chdir("./177" [pid 5008] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8021] <... chdir resumed>) = 0 [pid 8020] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] openat(AT_FDCWD, "./178/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... openat resumed>) = 4 [pid 8021] <... prctl resumed>) = 0 [pid 5008] fstat(4, [pid 8020] <... clone resumed>, parent_tid=[8022], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8022 [pid 8020] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8021] setpgid(0, 0 [pid 8020] <... futex resumed>) = 0 [pid 8020] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] getdents64(4, [pid 8021] <... setpgid resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8021] <... openat resumed>) = 3 [pid 5008] close(4) = 0 [pid 8021] write(3, "1000", 4 [pid 5008] rmdir("./178/bus") = 0 [pid 8021] <... write resumed>) = 4 [pid 8021] close(3 [pid 5008] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8021] <... close resumed>) = 0 [pid 8021] symlink("/dev/binderfs", "./binderfs" [pid 5008] lstat("./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8021] <... symlink resumed>) = 0 [pid 5008] unlink("./178/binderfs") = 0 [pid 8021] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(3, [pid 8021] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] close(3) = 0 [pid 8021] <... mmap resumed>) = 0x7fe58845a000 [pid 5008] rmdir("./178") = 0 [pid 8021] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] mkdir("./179", 0777 [pid 8021] <... mprotect resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 8021] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 ./strace-static-x86_64: Process 8023 attached [pid 8021] <... clone resumed>, parent_tid=[8023], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8023 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 8021] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8021] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] close(3./strace-static-x86_64: Process 8022 attached [pid 8022] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8024 [pid 8023] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8022] memfd_create("syzkaller", 0) = 3 [pid 8022] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8023] memfd_create("syzkaller", 0) = 3 ./strace-static-x86_64: Process 8024 attached [pid 8023] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8024] set_robust_list(0x5555568c85e0, 24 [pid 8023] <... mmap resumed>) = 0x7fe58005a000 [pid 8024] <... set_robust_list resumed>) = 0 [pid 8024] chdir("./179") = 0 [pid 8024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8024] setpgid(0, 0) = 0 [pid 8024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8024] write(3, "1000", 4) = 4 [pid 8024] close(3) = 0 [pid 8024] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8024] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8024] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8024] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8025], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8025 [pid 8024] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8024] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8025 attached [pid 8025] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8025] memfd_create("syzkaller", 0) = 3 [pid 8025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./175/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./175/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./175/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4 [pid 8022] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./175/bus") = 0 [pid 5004] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./175/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./175") = 0 [pid 5004] mkdir("./176", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8026 ./strace-static-x86_64: Process 8026 attached [pid 8026] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8026] chdir("./176") = 0 [pid 8026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8026] setpgid(0, 0) = 0 [pid 8026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8026] write(3, "1000", 4) = 4 [pid 8026] close(3) = 0 [pid 8026] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8026] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8026] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8026] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8027], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8027 [pid 8026] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8026] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8027 attached [pid 8027] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8027] memfd_create("syzkaller", 0) = 3 [pid 8027] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8023] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8025] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8022] <... write resumed>) = 4194304 [pid 8022] munmap(0x7fe58005a000, 4194304) = 0 [pid 8022] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8022] ioctl(4, LOOP_SET_FD, 3 [pid 8027] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8022] <... ioctl resumed>) = 0 [pid 8022] close(3) = 0 [pid 8022] mkdir("./bus", 0777) = 0 [pid 8022] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8023] <... write resumed>) = 4194304 [pid 8023] munmap(0x7fe58005a000, 4194304) = 0 [ 243.193815][ T8022] loop2: detected capacity change from 0 to 8192 [ 243.216692][ T8022] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8023] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8023] ioctl(4, LOOP_SET_FD, 3 [pid 8025] <... write resumed>) = 4194304 [pid 8025] munmap(0x7fe58005a000, 4194304) = 0 [pid 8025] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8025] ioctl(4, LOOP_SET_FD, 3 [pid 8023] <... ioctl resumed>) = 0 [pid 8023] close(3) = 0 [pid 8023] mkdir("./bus", 0777 [pid 8025] <... ioctl resumed>) = 0 [pid 8023] <... mkdir resumed>) = 0 [pid 8023] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8025] close(3) = 0 [pid 8025] mkdir("./bus", 0777) = 0 [pid 8025] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8027] <... write resumed>) = 4194304 [ 243.241220][ T8022] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 243.246922][ T8023] loop4: detected capacity change from 0 to 8192 [ 243.250855][ T8022] REISERFS (device loop2): using ordered data mode [ 243.263727][ T8022] reiserfs: using flush barriers [ 243.267247][ T8025] loop5: detected capacity change from 0 to 8192 [ 243.276041][ T8022] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8027] munmap(0x7fe58005a000, 4194304) = 0 [pid 8027] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 243.302670][ T8022] REISERFS (device loop2): checking transaction log (loop2) [ 243.313101][ T8023] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.314141][ T8025] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.327346][ T8022] REISERFS (device loop2): Using r5 hash to sort names [pid 8027] ioctl(4, LOOP_SET_FD, 3 [pid 8022] <... mount resumed>) = 0 [pid 8022] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8022] chdir("./bus") = 0 [pid 8022] ioctl(4, LOOP_CLR_FD) = 0 [ 243.339833][ T8025] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 243.346512][ T8023] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 243.355910][ T8022] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 243.364993][ T8027] loop1: detected capacity change from 0 to 8192 [ 243.377193][ T8022] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 243.384083][ T8025] REISERFS (device loop5): using ordered data mode [pid 8022] close(4) = 0 [pid 8027] <... ioctl resumed>) = 0 [pid 8022] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8022] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8027] close(3 [pid 8020] <... futex resumed>) = 0 [pid 8027] <... close resumed>) = 0 [pid 8020] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8027] mkdir("./bus", 0777 [pid 8020] <... futex resumed>) = 1 [pid 8027] <... mkdir resumed>) = 0 [pid 8022] <... futex resumed>) = 0 [pid 8020] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8027] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8022] mkdir("./file1", 000) = 0 [pid 8022] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8020] <... futex resumed>) = 0 [pid 8020] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8020] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8022] mkdir("./bus", 000) = 0 [ 243.400227][ T8023] REISERFS (device loop4): using ordered data mode [ 243.408249][ T8023] reiserfs: using flush barriers [ 243.410421][ T8025] reiserfs: using flush barriers [ 243.415229][ T8023] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 243.421498][ T8025] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8022] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8020] <... futex resumed>) = 0 [pid 8022] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8020] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8020] <... futex resumed>) = 0 [pid 8020] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 243.457939][ T8025] REISERFS (device loop5): checking transaction log (loop5) [ 243.466767][ T8027] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.467302][ T8025] REISERFS (device loop5): Using r5 hash to sort names [ 243.487580][ T8025] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8022] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8020] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8020] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8020] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8020] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8032], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8032 [pid 8020] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 243.499900][ T8027] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 243.501387][ T8025] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 243.511640][ T8023] REISERFS (device loop4): checking transaction log (loop4) [ 243.518661][ T8022] overlayfs: upper fs needs to support d_type. [ 243.527068][ T8027] REISERFS (device loop1): using ordered data mode [ 243.532208][ T8022] overlayfs: upper fs does not support tmpfile. [ 243.532709][ T8022] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 243.543121][ T8027] reiserfs: using flush barriers [pid 8020] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8032 attached [pid 8025] <... mount resumed>) = 0 [pid 8025] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8025] chdir("./bus") = 0 [pid 8025] ioctl(4, LOOP_CLR_FD) = 0 [pid 8025] close(4 [pid 8032] set_robust_list(0x7fe5804599e0, 24 [pid 8022] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8032] <... set_robust_list resumed>) = 0 [pid 8032] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8032] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8025] <... close resumed>) = 0 [pid 8025] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [ 243.546804][ T8022] overlayfs: failed to resolve './file0': -2 [ 243.565141][ T8027] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 243.582198][ T8027] REISERFS (device loop1): checking transaction log (loop1) [ 243.586608][ T8032] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8024] <... futex resumed>) = 0 [pid 8025] <... futex resumed>) = 1 [pid 8024] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8022] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8024] <... futex resumed>) = 0 [pid 8024] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8025] mkdir("./file1", 000) = 0 [pid 8025] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8024] <... futex resumed>) = 0 [pid 8032] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8027] <... mount resumed>) = 0 [pid 8025] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8024] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8022] <... futex resumed>) = 0 [pid 8032] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8027] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8024] <... futex resumed>) = 0 [pid 8022] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8032] <... futex resumed>) = 1 [pid 8027] <... openat resumed>) = 3 [pid 8025] mkdir("./bus", 000 [pid 8024] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8020] <... futex resumed>) = 0 [pid 8032] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8027] chdir("./bus" [pid 8025] <... mkdir resumed>) = 0 [pid 8020] exit_group(0 [pid 8032] <... futex resumed>) = ? [pid 8027] <... chdir resumed>) = 0 [pid 8025] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8022] <... futex resumed>) = ? [pid 8020] <... exit_group resumed>) = ? [pid 8025] <... futex resumed>) = 1 [pid 8024] <... futex resumed>) = 0 [pid 8025] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8024] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8024] <... futex resumed>) = 0 [pid 8025] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8024] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8032] +++ exited with 0 +++ [pid 8027] ioctl(4, LOOP_CLR_FD) = 0 [ 243.590194][ T8027] REISERFS (device loop1): Using r5 hash to sort names [ 243.611461][ T8027] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 243.611994][ T8023] REISERFS (device loop4): Using r5 hash to sort names [ 243.624192][ T8027] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8027] close(4) = 0 [pid 8023] <... mount resumed>) = 0 [pid 8022] +++ exited with 0 +++ [pid 8020] +++ exited with 0 +++ [pid 8027] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8020, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 8027] <... futex resumed>) = 1 [pid 8026] <... futex resumed>) = 0 [pid 8027] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8026] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8023] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8026] <... futex resumed>) = 0 [pid 8023] <... openat resumed>) = 3 [pid 8027] mkdir("./file1", 000 [pid 8026] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8023] chdir("./bus" [pid 8027] <... mkdir resumed>) = 0 [pid 8023] <... chdir resumed>) = 0 [pid 8027] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8027] <... futex resumed>) = 1 [pid 8026] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8027] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8026] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8026] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 8027] mkdir("./bus", 000 [pid 8026] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8024] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8023] ioctl(4, LOOP_CLR_FD [pid 5005] fstat(3, [pid 8027] <... mkdir resumed>) = 0 [pid 8024] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8023] <... ioctl resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8027] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8024] <... futex resumed>) = 0 [ 243.650706][ T8023] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 243.665601][ T8023] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 243.665675][ T8025] overlayfs: upper fs needs to support d_type. [ 243.681667][ T8025] overlayfs: upper fs does not support tmpfile. [ 243.699362][ T8025] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8023] close(4 [pid 5005] getdents64(3, [pid 8027] <... futex resumed>) = 1 [pid 8026] <... futex resumed>) = 0 [pid 8024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8023] <... close resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8027] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8026] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8024] <... mmap resumed>) = 0x7fe580439000 [pid 8023] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8026] <... futex resumed>) = 0 [pid 8024] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8023] <... futex resumed>) = 1 [pid 8021] <... futex resumed>) = 0 [pid 8027] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8026] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8024] <... mprotect resumed>) = 0 [pid 8023] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8021] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8024] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8021] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8033 attached [pid 8025] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8024] <... clone resumed>, parent_tid=[8033], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8033 [pid 8024] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8024] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8033] set_robust_list(0x7fe5804599e0, 24 [pid 8025] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8023] mkdir("./file1", 000 [pid 8021] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8033] <... set_robust_list resumed>) = 0 [pid 8025] <... futex resumed>) = 0 [pid 8023] <... mkdir resumed>) = 0 [pid 8033] mkdir(".", 0777 [pid 8025] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8023] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8033] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8023] <... futex resumed>) = 1 [pid 8021] <... futex resumed>) = 0 [pid 8033] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8023] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8021] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8021] <... futex resumed>) = 0 [pid 8023] mkdir("./bus", 000 [pid 8021] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8023] <... mkdir resumed>) = 0 [ 243.714354][ T8025] overlayfs: failed to resolve './file0': -2 [ 243.731040][ T8027] overlayfs: upper fs needs to support d_type. [ 243.740681][ T8027] overlayfs: upper fs does not support tmpfile. [ 243.749982][ T8027] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8023] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8021] <... futex resumed>) = 0 [pid 8026] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8026] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8023] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8021] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8026] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8021] <... futex resumed>) = 0 [pid 8026] <... mprotect resumed>) = 0 [pid 8023] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8021] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8026] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8034], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8034 [pid 8026] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8026] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8034 attached [pid 8034] set_robust_list(0x7fe5804599e0, 24) = 0 [ 243.769269][ T8027] overlayfs: failed to resolve './file0': -2 [ 243.771732][ T8033] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 243.799500][ T8023] overlayfs: upper fs needs to support d_type. [pid 8034] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8034] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8033] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8027] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5005] <... umount2 resumed>) = 0 [pid 8027] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8027] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8027] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] lstat("./178/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./178/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8033] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8021] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] getdents64(4, [pid 8021] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8021] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8021] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8035], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8035 [pid 8021] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8021] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8035 attached [pid 8035] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8035] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8035] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8033] <... futex resumed>) = 1 [pid 8033] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./178/bus") = 0 [pid 5005] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./178/binderfs", [pid 8024] <... futex resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./178/binderfs" [pid 8024] exit_group(0 [pid 8034] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8033] <... futex resumed>) = ? [pid 8025] <... futex resumed>) = ? [pid 8024] <... exit_group resumed>) = ? [pid 5005] <... unlink resumed>) = 0 [pid 8033] +++ exited with 0 +++ [pid 8025] +++ exited with 0 +++ [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./178" [pid 8024] +++ exited with 0 +++ [pid 5005] <... rmdir resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8024, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 5005] mkdir("./179", 0777 [pid 8034] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... mkdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, [pid 5005] <... openat resumed>) = 3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] close(3 [pid 8026] <... futex resumed>) = 0 [pid 8034] <... futex resumed>) = 1 [ 243.818693][ T8023] overlayfs: upper fs does not support tmpfile. [ 243.829376][ T8023] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 243.838722][ T8023] overlayfs: failed to resolve './file0': -2 [ 243.849048][ T8034] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8034] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8026] exit_group(0 [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8036 ./strace-static-x86_64: Process 8036 attached [pid 8036] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8036] chdir("./179") = 0 [pid 8036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8036] setpgid(0, 0) = 0 [pid 8036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8026] <... exit_group resumed>) = ? [pid 8034] <... futex resumed>) = ? [pid 8027] <... futex resumed>) = ? [pid 8023] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8023] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8023] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8036] <... openat resumed>) = 3 [pid 8034] +++ exited with 0 +++ [pid 8036] write(3, "1000", 4) = 4 [pid 8036] close(3) = 0 [pid 8036] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8027] +++ exited with 0 +++ [pid 8026] +++ exited with 0 +++ [pid 8036] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8035] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8026, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 8036] <... futex resumed>) = 0 [pid 8035] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8035] <... futex resumed>) = 1 [pid 8021] <... futex resumed>) = 0 [pid 8036] <... mmap resumed>) = 0x7fe58845a000 [pid 8035] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8021] exit_group(0 [pid 5004] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8036] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8035] <... futex resumed>) = ? [pid 8023] <... futex resumed>) = ? [pid 8021] <... exit_group resumed>) = ? [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8036] <... mprotect resumed>) = 0 [pid 8035] +++ exited with 0 +++ [pid 8023] +++ exited with 0 +++ [pid 5004] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8036] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... openat resumed>) = 3 [pid 8021] +++ exited with 0 +++ [pid 5004] fstat(3, [pid 8036] <... clone resumed>, parent_tid=[8037], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8037 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8036] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8021, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=22 /* 0.22 s */} --- [pid 5004] getdents64(3, [pid 8036] <... futex resumed>) = 0 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8036] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... restart_syscall resumed>) = 0 [pid 5004] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8037 attached [pid 8037] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8037] memfd_create("syzkaller", 0) = 3 [pid 8037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 243.877153][ T8035] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5007] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8037] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./179/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./179/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./179/bus") = 0 [pid 5008] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./179/binderfs") = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5008] getdents64(3, [pid 5004] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./176/bus", [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./176/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./176/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, [pid 5007] <... umount2 resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(4, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] close(3 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] lstat("./177/bus", [pid 5004] getdents64(4, [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] <... close resumed>) = 0 [pid 5007] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] close(4 [pid 5008] rmdir("./179" [pid 5004] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] rmdir("./176/bus" [pid 5007] openat(AT_FDCWD, "./177/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... openat resumed>) = 4 [pid 5004] <... rmdir resumed>) = 0 [pid 5004] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] fstat(4, [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./176/binderfs", [pid 5008] mkdir("./180", 0777 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] getdents64(4, [pid 5004] unlink("./176/binderfs" [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... unlink resumed>) = 0 [pid 5007] getdents64(4, [pid 5004] getdents64(3, [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(4 [pid 5004] close(3 [pid 5007] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5007] rmdir("./177/bus" [pid 5004] rmdir("./176" [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5007] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... rmdir resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] mkdir("./177", 0777 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5007] lstat("./177/binderfs", [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] <... mkdir resumed>) = 0 [pid 5008] close(3 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8038 ./strace-static-x86_64: Process 8038 attached [pid 5007] unlink("./177/binderfs" [pid 5004] <... openat resumed>) = 3 [pid 5007] <... unlink resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5007] getdents64(3, [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3 [pid 5007] close(3) = 0 [pid 5004] <... close resumed>) = 0 [pid 5007] rmdir("./177" [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... rmdir resumed>) = 0 [pid 8038] set_robust_list(0x5555568c85e0, 24 [pid 5007] mkdir("./178", 0777 [pid 8038] <... set_robust_list resumed>) = 0 [pid 8038] chdir("./180" [pid 5007] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 8039 attached [pid 8038] <... chdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8039 [pid 8039] set_robust_list(0x5555568c85e0, 24 [pid 8038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8037] <... write resumed>) = 4194304 [pid 5007] <... openat resumed>) = 3 [pid 8039] <... set_robust_list resumed>) = 0 [pid 8038] <... prctl resumed>) = 0 [pid 8037] munmap(0x7fe58005a000, 4194304 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 8039] chdir("./177" [pid 8038] setpgid(0, 0) = 0 [pid 8038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8037] <... munmap resumed>) = 0 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8039] <... chdir resumed>) = 0 [pid 8038] <... openat resumed>) = 3 [pid 8037] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5007] close(3 [pid 8039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8038] write(3, "1000", 4 [pid 8037] <... openat resumed>) = 4 [pid 5007] <... close resumed>) = 0 [pid 8039] <... prctl resumed>) = 0 [pid 8038] <... write resumed>) = 4 [pid 8037] ioctl(4, LOOP_SET_FD, 3 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8038] close(3) = 0 [pid 8038] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8038] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8038] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8039] setpgid(0, 0 [pid 8038] <... mprotect resumed>) = 0 [pid 8039] <... setpgid resumed>) = 0 [pid 8038] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8041], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8041 [pid 8038] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8038] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8040 attached [pid 8040] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8040] chdir("./178" [pid 8039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8040 [pid 8039] <... openat resumed>) = 3 [pid 8039] write(3, "1000", 4 [pid 8037] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 8041 attached [pid 8040] <... chdir resumed>) = 0 [pid 8039] <... write resumed>) = 4 [pid 8037] close(3 [pid 8041] set_robust_list(0x7fe58847a9e0, 24 [pid 8040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8039] close(3 [pid 8037] <... close resumed>) = 0 [pid 8039] <... close resumed>) = 0 [pid 8037] mkdir("./bus", 0777 [pid 8039] symlink("/dev/binderfs", "./binderfs" [pid 8041] <... set_robust_list resumed>) = 0 [pid 8040] <... prctl resumed>) = 0 [pid 8041] memfd_create("syzkaller", 0 [pid 8040] setpgid(0, 0 [pid 8039] <... symlink resumed>) = 0 [pid 8037] <... mkdir resumed>) = 0 [pid 8041] <... memfd_create resumed>) = 3 [pid 8040] <... setpgid resumed>) = 0 [pid 8039] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8037] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8039] <... futex resumed>) = 0 [pid 8041] <... mmap resumed>) = 0x7fe58005a000 [pid 8040] <... openat resumed>) = 3 [pid 8039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8040] write(3, "1000", 4) = 4 [pid 8040] close(3) = 0 [pid 8040] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8040] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8040] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8040] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8039] <... mmap resumed>) = 0x7fe58845a000 [pid 8039] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8040] <... clone resumed>, parent_tid=[8043], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8043 [pid 8039] <... mprotect resumed>) = 0 [pid 8040] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8039] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8040] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8039] <... clone resumed>, parent_tid=[8044], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8044 ./strace-static-x86_64: Process 8043 attached [pid 8043] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8043] memfd_create("syzkaller", 0 [pid 8039] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8043] <... memfd_create resumed>) = 3 [pid 8039] <... futex resumed>) = 0 [pid 8043] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8039] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8043] <... mmap resumed>) = 0x7fe58005a000 ./strace-static-x86_64: Process 8044 attached [ 244.098176][ T8037] loop2: detected capacity change from 0 to 8192 [ 244.115843][ T8037] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8044] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8044] memfd_create("syzkaller", 0) = 3 [pid 8044] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 244.140324][ T8037] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 244.150274][ T8037] REISERFS (device loop2): using ordered data mode [ 244.157340][ T8037] reiserfs: using flush barriers [ 244.163645][ T8037] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 244.180292][ T8037] REISERFS (device loop2): checking transaction log (loop2) [pid 8037] <... mount resumed>) = 0 [pid 8041] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8037] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8037] chdir("./bus") = 0 [pid 8037] ioctl(4, LOOP_CLR_FD) = 0 [pid 8037] close(4) = 0 [pid 8037] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8037] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8043] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8036] <... futex resumed>) = 0 [pid 8036] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8036] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8037] <... futex resumed>) = 0 [pid 8037] mkdir("./file1", 000) = 0 [pid 8037] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8036] <... futex resumed>) = 0 [pid 8036] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8036] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8037] mkdir("./bus", 000) = 0 [pid 8037] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8036] <... futex resumed>) = 0 [pid 8037] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8036] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8036] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 244.192138][ T8037] REISERFS (device loop2): Using r5 hash to sort names [ 244.199215][ T8037] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.212138][ T8037] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8037] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8041] <... write resumed>) = 4194304 [pid 8041] munmap(0x7fe58005a000, 4194304) = 0 [pid 8044] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8041] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8041] ioctl(4, LOOP_SET_FD, 3 [pid 8036] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8036] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 244.261766][ T8037] overlayfs: upper fs needs to support d_type. [ 244.268012][ T8037] overlayfs: upper fs does not support tmpfile. [ 244.292325][ T8037] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 244.300680][ T8037] overlayfs: failed to resolve './file0': -2 [pid 8036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8036] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8036] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8045], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8045 [pid 8036] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8045 attached [pid 8044] <... write resumed>) = 4194304 [pid 8041] <... ioctl resumed>) = 0 [pid 8036] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8045] set_robust_list(0x7fe5804599e0, 24 [pid 8044] munmap(0x7fe58005a000, 4194304 [pid 8041] close(3 [pid 8045] <... set_robust_list resumed>) = 0 [pid 8044] <... munmap resumed>) = 0 [pid 8041] <... close resumed>) = 0 [pid 8045] mkdir(".", 0777 [pid 8044] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8041] mkdir("./bus", 0777 [pid 8045] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8044] <... openat resumed>) = 4 [pid 8045] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8044] ioctl(4, LOOP_SET_FD, 3 [pid 8041] <... mkdir resumed>) = 0 [ 244.308390][ T8041] loop5: detected capacity change from 0 to 8192 [pid 8041] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8044] <... ioctl resumed>) = 0 [pid 8045] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8045] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8036] <... futex resumed>) = 0 [pid 8045] <... futex resumed>) = 1 [pid 8045] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8044] close(3) = 0 [pid 8044] mkdir("./bus", 0777) = 0 [pid 8044] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8043] <... write resumed>) = 4194304 [pid 8043] munmap(0x7fe58005a000, 4194304 [pid 8037] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8043] <... munmap resumed>) = 0 [ 244.335668][ T8044] loop1: detected capacity change from 0 to 8192 [ 244.340959][ T8045] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 244.357891][ T8041] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.371372][ T8041] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 8043] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8037] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8036] exit_group(0 [pid 8045] <... futex resumed>) = ? [pid 8036] <... exit_group resumed>) = ? [pid 8045] +++ exited with 0 +++ [pid 8043] <... openat resumed>) = 4 [pid 8043] ioctl(4, LOOP_SET_FD, 3 [pid 8037] <... futex resumed>) = ? [pid 8037] +++ exited with 0 +++ [pid 8036] +++ exited with 0 +++ [ 244.381090][ T8041] REISERFS (device loop5): using ordered data mode [ 244.387738][ T8041] reiserfs: using flush barriers [ 244.394135][ T8041] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 244.394524][ T8044] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.412895][ T8043] loop4: detected capacity change from 0 to 8192 [pid 8043] <... ioctl resumed>) = 0 [pid 8043] close(3) = 0 [pid 8043] mkdir("./bus", 0777) = 0 [pid 8043] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8036, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=19 /* 0.19 s */} --- [ 244.425230][ T8041] REISERFS (device loop5): checking transaction log (loop5) [ 244.432073][ T8044] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 244.438998][ T8041] REISERFS (device loop5): Using r5 hash to sort names [ 244.446591][ T8044] REISERFS (device loop1): using ordered data mode [ 244.454511][ T8041] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.459820][ T8044] reiserfs: using flush barriers [pid 5005] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8041] <... mount resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [ 244.477265][ T8043] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.491027][ T8041] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 244.491941][ T8044] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 244.501804][ T8043] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 244.516878][ T8044] REISERFS (device loop1): checking transaction log (loop1) [pid 8041] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5005] fstat(3, [pid 8041] <... openat resumed>) = 3 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8041] chdir("./bus" [pid 5005] getdents64(3, [pid 8041] <... chdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8041] ioctl(4, LOOP_CLR_FD [pid 5005] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8041] <... ioctl resumed>) = 0 [pid 8041] close(4) = 0 [pid 8041] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8038] <... futex resumed>) = 0 [pid 8041] mkdir("./file1", 000 [pid 8038] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8041] <... mkdir resumed>) = 0 [pid 8038] <... futex resumed>) = 0 [pid 8041] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8038] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8041] <... futex resumed>) = 0 [pid 8038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8041] mkdir("./bus", 000 [pid 8038] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8041] <... mkdir resumed>) = 0 [pid 8038] <... futex resumed>) = 0 [pid 8041] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8038] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8041] <... futex resumed>) = 0 [pid 8038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8041] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8038] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 244.526095][ T8043] REISERFS (device loop4): using ordered data mode [ 244.533848][ T8044] REISERFS (device loop1): Using r5 hash to sort names [ 244.540022][ T8043] reiserfs: using flush barriers [ 244.547000][ T8044] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.561067][ T8041] overlayfs: upper fs needs to support d_type. [ 244.570885][ T8041] overlayfs: upper fs does not support tmpfile. [ 244.575632][ T8044] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8038] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8038] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8038] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8038] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8049], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8049 [pid 8038] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8038] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8049 attached [pid 8044] <... mount resumed>) = 0 [pid 8044] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8044] chdir("./bus") = 0 [pid 8044] ioctl(4, LOOP_CLR_FD) = 0 [pid 8044] close(4 [pid 8049] set_robust_list(0x7fe5804599e0, 24 [pid 8044] <... close resumed>) = 0 [pid 8044] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8044] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8039] <... futex resumed>) = 0 [pid 8049] <... set_robust_list resumed>) = 0 [pid 8039] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8044] <... futex resumed>) = 0 [pid 8039] <... futex resumed>) = 1 [pid 8049] mkdir(".", 0777 [pid 8044] mkdir("./file1", 000 [pid 8039] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8044] <... mkdir resumed>) = 0 [pid 8044] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8049] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8044] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8049] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8039] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8044] mkdir("./bus", 000 [pid 8039] <... futex resumed>) = 0 [pid 8044] <... mkdir resumed>) = 0 [pid 8039] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8044] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8044] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8039] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8039] <... futex resumed>) = 0 [ 244.578422][ T8043] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 244.601654][ T8041] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 244.620226][ T8041] overlayfs: failed to resolve './file0': -2 [ 244.620583][ T8043] REISERFS (device loop4): checking transaction log (loop4) [pid 8044] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8039] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8041] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8041] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 244.653135][ T8044] overlayfs: upper fs needs to support d_type. [ 244.662117][ T8049] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 244.677760][ T8043] REISERFS (device loop4): Using r5 hash to sort names [ 244.682071][ T8044] overlayfs: upper fs does not support tmpfile. [pid 8041] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8049] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = 0 [pid 8049] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8049] <... futex resumed>) = 1 [pid 8038] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8049] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8038] exit_group(0 [pid 5005] lstat("./179/bus", [pid 8041] <... futex resumed>) = ? [pid 8038] <... exit_group resumed>) = ? [pid 8049] <... futex resumed>) = ? [pid 8041] +++ exited with 0 +++ [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8049] +++ exited with 0 +++ [pid 8038] +++ exited with 0 +++ [pid 8039] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8038, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8039] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8039] <... futex resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] openat(AT_FDCWD, "./179/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... openat resumed>) = 3 [pid 8039] <... mmap resumed>) = 0x7fe580439000 [pid 5008] fstat(3, [pid 5005] <... openat resumed>) = 4 [pid 8039] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] fstat(4, [pid 5008] getdents64(3, [pid 8039] <... mprotect resumed>) = 0 [pid 8043] <... mount resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8039] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(4, [pid 8043] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8039] <... clone resumed>, parent_tid=[8050], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8050 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 8050 attached [pid 8050] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8050] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8043] chdir("./bus" [pid 8039] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] getdents64(4, [pid 8050] <... futex resumed>) = 0 [pid 8043] <... chdir resumed>) = 0 [pid 8039] <... futex resumed>) = 1 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8050] mkdir(".", 0777 [pid 8039] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] close(4 [pid 8050] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8050] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8043] ioctl(4, LOOP_CLR_FD [pid 5005] <... close resumed>) = 0 [pid 8043] <... ioctl resumed>) = 0 [ 244.691687][ T8043] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.696633][ T8044] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 244.709132][ T8043] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5005] rmdir("./179/bus" [pid 8043] close(4) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 8043] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8043] <... futex resumed>) = 1 [pid 8040] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8043] mkdir("./file1", 000 [pid 8040] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] lstat("./179/binderfs", [pid 8050] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8050] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8039] <... futex resumed>) = 0 [pid 8050] <... futex resumed>) = 1 [pid 8050] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8043] <... mkdir resumed>) = 0 [pid 8040] <... futex resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8040] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] unlink("./179/binderfs" [pid 8043] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8040] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... unlink resumed>) = 0 [pid 8040] <... futex resumed>) = 0 [pid 8043] <... futex resumed>) = 0 [pid 8040] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8043] mkdir("./bus", 000 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8043] <... mkdir resumed>) = 0 [pid 5005] close(3 [pid 8043] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... close resumed>) = 0 [pid 8043] <... futex resumed>) = 1 [pid 8040] <... futex resumed>) = 0 [pid 5005] rmdir("./179" [pid 8043] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8040] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 8040] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] mkdir("./180", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 244.755915][ T8050] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 244.774709][ T8044] overlayfs: failed to resolve './file0': -2 [ 244.789442][ T8043] overlayfs: upper fs needs to support d_type. [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8044] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8044] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8044] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8051 [pid 8039] exit_group(0 [pid 8050] <... futex resumed>) = ? [pid 8044] <... futex resumed>) = ? [pid 8039] <... exit_group resumed>) = ? [pid 8050] +++ exited with 0 +++ [pid 8044] +++ exited with 0 +++ [pid 8039] +++ exited with 0 +++ ./strace-static-x86_64: Process 8051 attached [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8039, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} --- [pid 5004] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8051] set_robust_list(0x5555568c85e0, 24 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8051] <... set_robust_list resumed>) = 0 [pid 8040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8051] chdir("./180" [pid 8040] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8051] <... chdir resumed>) = 0 [pid 8040] <... futex resumed>) = 0 [pid 8051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8051] <... prctl resumed>) = 0 [pid 8051] setpgid(0, 0) = 0 [pid 8040] <... mmap resumed>) = 0x7fe580439000 [pid 8051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8040] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8051] <... openat resumed>) = 3 [pid 8040] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8051] write(3, "1000", 4 [pid 8040] <... clone resumed>, parent_tid=[8052], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8052 [pid 8040] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8051] <... write resumed>) = 4 [pid 8040] <... futex resumed>) = 0 [pid 8040] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8051] close(3./strace-static-x86_64: Process 8052 attached ) = 0 [pid 8043] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8052] set_robust_list(0x7fe5804599e0, 24 [pid 8051] symlink("/dev/binderfs", "./binderfs" [pid 8043] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8051] <... symlink resumed>) = 0 [pid 8043] <... futex resumed>) = 0 [pid 8052] <... set_robust_list resumed>) = 0 [pid 8043] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8051] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8052] mkdir(".", 0777 [pid 8051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8052] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8052] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8051] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8051] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8053], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8053 [pid 8051] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 244.805222][ T8043] overlayfs: upper fs does not support tmpfile. [ 244.830142][ T8043] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 244.839577][ T8043] overlayfs: failed to resolve './file0': -2 [pid 8051] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8053 attached [pid 8053] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8053] memfd_create("syzkaller", 0) = 3 [pid 8053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./180/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./180/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8052] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8052] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(4, [pid 8052] <... futex resumed>) = 1 [pid 8040] <... futex resumed>) = 0 [pid 8040] exit_group(0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8043] <... futex resumed>) = ? [pid 8040] <... exit_group resumed>) = ? [pid 8043] +++ exited with 0 +++ [pid 5008] close(4) = 0 [pid 8052] +++ exited with 0 +++ [pid 8040] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8040, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] rmdir("./180/bus" [pid 5007] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... rmdir resumed>) = 0 [pid 5008] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 244.886562][ T8052] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./180/binderfs", [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] lstat("./177/bus", [pid 5008] unlink("./180/binderfs") = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 5004] umount2("./177/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8053] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] close(3 [pid 5004] openat(AT_FDCWD, "./177/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... close resumed>) = 0 [pid 5004] <... openat resumed>) = 4 [pid 5008] rmdir("./180" [pid 5004] fstat(4, [pid 5008] <... rmdir resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] mkdir("./181", 0777 [pid 5004] getdents64(4, [pid 5008] <... mkdir resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] getdents64(4, [pid 5008] <... openat resumed>) = 3 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5004] <... close resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] rmdir("./177/bus") = 0 [pid 5008] close(3 [pid 5004] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./177/binderfs", [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8054 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./177/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 8054 attached [pid 8054] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8054] chdir("./181" [pid 5004] close(3) = 0 [pid 5004] rmdir("./177" [pid 8054] <... chdir resumed>) = 0 [pid 8054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] <... rmdir resumed>) = 0 [pid 8054] <... prctl resumed>) = 0 [pid 5004] mkdir("./178", 0777 [pid 8054] setpgid(0, 0) = 0 [pid 8054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8054] write(3, "1000", 4 [pid 5004] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8054] <... write resumed>) = 4 [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 8054] close(3 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8054] <... close resumed>) = 0 [pid 5004] close(3 [pid 8054] symlink("/dev/binderfs", "./binderfs" [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8055 [pid 8054] <... symlink resumed>) = 0 [pid 8054] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8054] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8054] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8056], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8056 [pid 8054] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8054] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8055 attached [pid 8055] set_robust_list(0x5555568c85e0, 24) = 0 ./strace-static-x86_64: Process 8056 attached [pid 8056] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8056] memfd_create("syzkaller", 0 [pid 8055] chdir("./178") = 0 [pid 8055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8056] <... memfd_create resumed>) = 3 [pid 8055] <... prctl resumed>) = 0 [pid 8055] setpgid(0, 0 [pid 8056] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8055] <... setpgid resumed>) = 0 [pid 8056] <... mmap resumed>) = 0x7fe58005a000 [pid 8055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8055] write(3, "1000", 4) = 4 [pid 8055] close(3) = 0 [pid 8055] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8055] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8055] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8055] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8057], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8057 [pid 8055] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8055] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8057 attached [pid 8057] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8057] memfd_create("syzkaller", 0) = 3 [pid 8057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./178/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./178/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4 [pid 8053] <... write resumed>) = 4194304 [pid 5007] <... close resumed>) = 0 [pid 8056] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8053] munmap(0x7fe58005a000, 4194304 [pid 5007] rmdir("./178/bus" [pid 8053] <... munmap resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5007] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./178/binderfs" [pid 8053] <... openat resumed>) = 4 [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, [pid 8053] ioctl(4, LOOP_SET_FD, 3 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./178") = 0 [pid 5007] mkdir("./179", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 8057] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8058 [pid 8053] <... ioctl resumed>) = 0 [pid 8053] close(3) = 0 [pid 8053] mkdir("./bus", 0777) = 0 [pid 8053] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8058 attached [pid 8058] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8058] chdir("./179") = 0 [pid 8058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8058] setpgid(0, 0) = 0 [ 245.100114][ T8053] loop2: detected capacity change from 0 to 8192 [pid 8058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8058] write(3, "1000", 4) = 4 [pid 8058] close(3) = 0 [pid 8058] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8058] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8058] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8058] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8060], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8060 [pid 8058] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8058] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8060 attached [pid 8060] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8060] memfd_create("syzkaller", 0) = 3 [pid 8060] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8056] <... write resumed>) = 4194304 [pid 8056] munmap(0x7fe58005a000, 4194304) = 0 [pid 8056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 245.143189][ T8053] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.172643][ T8053] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 8056] ioctl(4, LOOP_SET_FD, 3 [pid 8057] <... write resumed>) = 4194304 [pid 8057] munmap(0x7fe58005a000, 4194304 [pid 8056] <... ioctl resumed>) = 0 [pid 8056] close(3) = 0 [pid 8056] mkdir("./bus", 0777) = 0 [pid 8057] <... munmap resumed>) = 0 [pid 8056] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8057] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8057] ioctl(4, LOOP_SET_FD, 3 [pid 8060] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8057] <... ioctl resumed>) = 0 [pid 8057] close(3) = 0 [pid 8057] mkdir("./bus", 0777) = 0 [ 245.188477][ T8056] loop5: detected capacity change from 0 to 8192 [ 245.192304][ T8053] REISERFS (device loop2): using ordered data mode [ 245.205456][ T8053] reiserfs: using flush barriers [ 245.212289][ T8057] loop1: detected capacity change from 0 to 8192 [ 245.212447][ T8056] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.232280][ T8056] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 245.240095][ T8053] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.241810][ T8056] REISERFS (device loop5): using ordered data mode [ 245.264372][ T8057] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.264378][ T8056] reiserfs: using flush barriers [ 245.265434][ T8056] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.299204][ T8056] REISERFS (device loop5): checking transaction log (loop5) [ 245.299771][ T8057] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 245.307327][ T8056] REISERFS (device loop5): Using r5 hash to sort names [ 245.322849][ T8056] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8057] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8056] <... mount resumed>) = 0 [pid 8056] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8056] chdir("./bus") = 0 [pid 8056] ioctl(4, LOOP_CLR_FD [pid 8060] <... write resumed>) = 4194304 [pid 8060] munmap(0x7fe58005a000, 4194304) = 0 [pid 8056] <... ioctl resumed>) = 0 [pid 8056] close(4 [pid 8060] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 245.335598][ T8056] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 245.336318][ T8053] REISERFS (device loop2): checking transaction log (loop2) [ 245.345069][ T8057] REISERFS (device loop1): using ordered data mode [ 245.358672][ T8057] reiserfs: using flush barriers [ 245.365296][ T8057] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.382025][ T8057] REISERFS (device loop1): checking transaction log (loop1) [pid 8060] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8060] close(3) = 0 [pid 8060] mkdir("./bus", 0777) = 0 [pid 8060] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8056] <... close resumed>) = 0 [pid 8056] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8056] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8054] <... futex resumed>) = 0 [pid 8054] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8054] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8056] <... futex resumed>) = 0 [pid 8056] mkdir("./file1", 000) = 0 [pid 8056] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8054] <... futex resumed>) = 0 [pid 8054] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8054] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8056] <... futex resumed>) = 1 [pid 8056] mkdir("./bus", 000) = 0 [pid 8056] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8054] <... futex resumed>) = 0 [ 245.385428][ T8060] loop4: detected capacity change from 0 to 8192 [ 245.398463][ T8057] REISERFS (device loop1): Using r5 hash to sort names [ 245.405910][ T8053] REISERFS (device loop2): Using r5 hash to sort names [ 245.415894][ T8053] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 245.429442][ T8057] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8054] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8056] <... futex resumed>) = 1 [pid 8054] <... futex resumed>) = 0 [pid 8056] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8054] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8057] <... mount resumed>) = 0 [pid 8057] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8053] <... mount resumed>) = 0 [ 245.442864][ T8060] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.446133][ T8057] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 245.459206][ T8060] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 245.465703][ T8053] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 245.475260][ T8056] overlayfs: upper fs needs to support d_type. [pid 8057] <... openat resumed>) = 3 [pid 8053] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8057] chdir("./bus" [pid 8053] <... openat resumed>) = 3 [pid 8054] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8054] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8054] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8054] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8064], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8064 [pid 8054] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8054] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8064 attached [pid 8064] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8064] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8064] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8057] <... chdir resumed>) = 0 [pid 8053] chdir("./bus" [pid 8057] ioctl(4, LOOP_CLR_FD [pid 8053] <... chdir resumed>) = 0 [pid 8057] <... ioctl resumed>) = 0 [pid 8057] close(4) = 0 [pid 8057] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8055] <... futex resumed>) = 0 [pid 8057] mkdir("./file1", 000 [pid 8055] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8057] <... mkdir resumed>) = 0 [pid 8055] <... futex resumed>) = 0 [pid 8053] ioctl(4, LOOP_CLR_FD [pid 8057] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8057] <... futex resumed>) = 0 [pid 8055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8057] mkdir("./bus", 000 [pid 8055] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8057] <... mkdir resumed>) = 0 [pid 8055] <... futex resumed>) = 0 [pid 8057] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8053] <... ioctl resumed>) = 0 [pid 8057] <... futex resumed>) = 0 [pid 8055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8053] close(4 [pid 8057] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 245.484168][ T8060] REISERFS (device loop4): using ordered data mode [ 245.491616][ T8056] overlayfs: upper fs does not support tmpfile. [ 245.496609][ T8060] reiserfs: using flush barriers [ 245.504860][ T8056] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 245.508725][ T8060] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.530684][ T8056] overlayfs: failed to resolve './file0': -2 [pid 8055] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8053] <... close resumed>) = 0 [pid 8057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8056] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8055] <... futex resumed>) = 0 [pid 8053] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8064] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8057] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8055] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8064] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8056] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8053] <... futex resumed>) = 1 [pid 8051] <... futex resumed>) = 0 [pid 8064] <... futex resumed>) = 1 [pid 8056] <... futex resumed>) = 0 [pid 8054] <... futex resumed>) = 0 [pid 8053] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8064] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8056] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8054] exit_group(0 [ 245.549320][ T8064] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 245.563236][ T8060] REISERFS (device loop4): checking transaction log (loop4) [ 245.573245][ T8060] REISERFS (device loop4): Using r5 hash to sort names [ 245.580306][ T8060] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 245.583497][ T8057] overlayfs: upper fs needs to support d_type. [pid 8051] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8054] <... exit_group resumed>) = ? [pid 8051] <... futex resumed>) = 1 [pid 8051] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8064] <... futex resumed>) = ? [pid 8056] <... futex resumed>) = ? [pid 8053] <... futex resumed>) = 0 [pid 8064] +++ exited with 0 +++ [pid 8060] <... mount resumed>) = 0 [pid 8056] +++ exited with 0 +++ [pid 8054] +++ exited with 0 +++ [pid 8053] mkdir("./file1", 000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8054, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8060] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8053] <... mkdir resumed>) = 0 [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8060] <... openat resumed>) = 3 [pid 8053] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(3, [pid 8060] chdir("./bus" [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8053] <... futex resumed>) = 1 [pid 8051] <... futex resumed>) = 0 [pid 8053] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8051] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8051] <... futex resumed>) = 0 [pid 8060] <... chdir resumed>) = 0 [pid 8053] mkdir("./bus", 000 [pid 8051] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8060] ioctl(4, LOOP_CLR_FD [pid 8057] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8060] <... ioctl resumed>) = 0 [pid 8053] <... mkdir resumed>) = 0 [pid 8060] close(4 [pid 8057] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8060] <... close resumed>) = 0 [pid 8055] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8053] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8060] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8057] <... futex resumed>) = 0 [pid 8060] <... futex resumed>) = 1 [pid 8058] <... futex resumed>) = 0 [pid 8060] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8058] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8057] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8058] <... futex resumed>) = 0 [pid 8060] mkdir("./file1", 000 [pid 8058] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8060] <... mkdir resumed>) = 0 [pid 8060] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8058] <... futex resumed>) = 0 [pid 8060] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8058] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8058] <... futex resumed>) = 0 [pid 8060] mkdir("./bus", 000 [pid 8058] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8060] <... mkdir resumed>) = 0 [pid 8060] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8058] <... futex resumed>) = 0 [pid 8060] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8058] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8058] <... futex resumed>) = 0 [pid 8060] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 245.603597][ T8060] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 245.616052][ T8057] overlayfs: upper fs does not support tmpfile. [ 245.623382][ T8057] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 245.632265][ T8057] overlayfs: failed to resolve './file0': -2 [pid 8058] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8055] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8053] <... futex resumed>) = 1 [pid 8051] <... futex resumed>) = 0 [pid 8057] <... futex resumed>) = 0 [pid 8055] <... futex resumed>) = 1 [pid 8057] mkdir(".", 0777 [pid 8053] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8051] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8057] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8057] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8051] <... futex resumed>) = 0 [pid 8053] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 245.676930][ T8060] overlayfs: upper fs needs to support d_type. [ 245.688527][ T8060] overlayfs: upper fs does not support tmpfile. [ 245.689208][ T8053] overlayfs: upper fs needs to support d_type. [ 245.703177][ T8057] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 245.718965][ T8053] overlayfs: upper fs does not support tmpfile. [pid 8051] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8058] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8058] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8058] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8065], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8065 [pid 8058] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8058] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8051] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8051] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 8065 attached ) = 0x7fe580439000 [pid 8051] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8065] set_robust_list(0x7fe5804599e0, 24 [pid 8051] <... mprotect resumed>) = 0 [pid 8065] <... set_robust_list resumed>) = 0 [pid 8051] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8065] mkdir(".", 0777 [pid 8051] <... clone resumed>, parent_tid=[8066], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8066 [pid 8065] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8051] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8065] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8051] <... futex resumed>) = 0 [pid 8051] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8066 attached [pid 8066] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8066] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8066] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8057] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8057] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = 0 [pid 8057] <... futex resumed>) = 1 [pid 8055] <... futex resumed>) = 0 [pid 5008] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8055] exit_group(0) = ? [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./181/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./181/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./181/bus" [pid 8057] +++ exited with 0 +++ [pid 8055] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8055, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5008] <... rmdir resumed>) = 0 [pid 5008] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./181/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./181") = 0 [pid 5008] mkdir("./182", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 245.722726][ T8060] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 245.727505][ T8053] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 245.759679][ T8065] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" ./strace-static-x86_64: Process 8067 attached [pid 8065] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8067 [pid 5004] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8065] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8065] <... futex resumed>) = 1 [pid 5004] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8067] set_robust_list(0x5555568c85e0, 24 [pid 8065] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... openat resumed>) = 3 [pid 8067] <... set_robust_list resumed>) = 0 [pid 5004] fstat(3, [pid 8067] chdir("./182" [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8067] <... chdir resumed>) = 0 [pid 5004] getdents64(3, [pid 8067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8067] <... prctl resumed>) = 0 [pid 5004] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8067] setpgid(0, 0 [pid 8058] <... futex resumed>) = 0 [pid 8053] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8053] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8066] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8066] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8051] <... futex resumed>) = 0 [pid 8051] exit_group(0) = ? [pid 8053] <... futex resumed>) = ? [pid 8053] +++ exited with 0 +++ [pid 8067] <... setpgid resumed>) = 0 [pid 8066] <... futex resumed>) = ? [pid 8067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8067] write(3, "1000", 4) = 4 [pid 8067] close(3 [pid 8066] +++ exited with 0 +++ [pid 8051] +++ exited with 0 +++ [pid 8067] <... close resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8051, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 8067] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5005] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8067] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8060] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8060] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8058] exit_group(0 [pid 8065] <... futex resumed>) = ? [pid 8058] <... exit_group resumed>) = ? [pid 8065] +++ exited with 0 +++ [pid 8067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... openat resumed>) = 3 [pid 8067] <... mmap resumed>) = 0x7fe58845a000 [pid 5005] fstat(3, [pid 8067] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8067] <... mprotect resumed>) = 0 [pid 5005] getdents64(3, [pid 8067] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8067] <... clone resumed>, parent_tid=[8068], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8068 [pid 8067] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8068 attached [pid 8067] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8068] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8060] +++ exited with 0 +++ [pid 8058] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8058, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5007] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8068] memfd_create("syzkaller", 0 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8068] <... memfd_create resumed>) = 3 [pid 8068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 245.779257][ T8053] overlayfs: failed to resolve './file0': -2 [ 245.783372][ T8066] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 245.804545][ T8060] overlayfs: failed to resolve './file0': -2 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./178/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./178/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./178/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./178/bus") = 0 [pid 5004] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./178/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./178") = 0 [pid 5004] mkdir("./179", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8069 ./strace-static-x86_64: Process 8069 attached [pid 8069] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8069] chdir("./179") = 0 [pid 8069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8069] setpgid(0, 0) = 0 [pid 8069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8069] write(3, "1000", 4) = 4 [pid 8069] close(3) = 0 [pid 8069] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8069] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8069] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./180/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./180/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, [pid 8069] <... mprotect resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./180/bus" [pid 8069] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... rmdir resumed>) = 0 [pid 5005] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./180/binderfs") = 0 [pid 5005] getdents64(3, [pid 8069] <... clone resumed>, parent_tid=[8070], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8070 [pid 8069] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3 [pid 8069] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... close resumed>) = 0 [pid 5005] rmdir("./180") = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] mkdir("./181", 0777 [pid 5007] lstat("./179/bus", [pid 5005] <... mkdir resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... openat resumed>) = 3 [pid 5007] openat(AT_FDCWD, "./179/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 8070 attached [pid 5007] <... openat resumed>) = 4 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8070] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] fstat(4, [pid 5005] close(3 [pid 8070] <... set_robust_list resumed>) = 0 [pid 8068] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8070] memfd_create("syzkaller", 0) = 3 [pid 5007] getdents64(4, [pid 5005] <... close resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8071 [pid 5007] <... close resumed>) = 0 [pid 5007] rmdir("./179/bus" [pid 8070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5007] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8070] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./179/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./179") = 0 ./strace-static-x86_64: Process 8071 attached [pid 5007] mkdir("./180", 0777) = 0 [pid 8071] set_robust_list(0x5555568c85e0, 24 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8071] <... set_robust_list resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 8071] chdir("./181" [pid 5007] ioctl(3, LOOP_CLR_FD [pid 8071] <... chdir resumed>) = 0 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] close(3 [pid 8071] <... prctl resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 8071] setpgid(0, 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8071] <... setpgid resumed>) = 0 [pid 8071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8072 [pid 8071] <... openat resumed>) = 3 [pid 8071] write(3, "1000", 4) = 4 [pid 8071] close(3) = 0 [pid 8071] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 8072 attached [pid 8072] set_robust_list(0x5555568c85e0, 24 [pid 8071] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8072] <... set_robust_list resumed>) = 0 [pid 8071] <... futex resumed>) = 0 [pid 8072] chdir("./180" [pid 8071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8072] <... chdir resumed>) = 0 [pid 8071] <... mmap resumed>) = 0x7fe58845a000 [pid 8072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8071] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8072] <... prctl resumed>) = 0 [pid 8071] <... mprotect resumed>) = 0 [pid 8072] setpgid(0, 0 [pid 8071] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8072] <... setpgid resumed>) = 0 [pid 8072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8071] <... clone resumed>, parent_tid=[8073], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8073 [pid 8072] <... openat resumed>) = 3 [pid 8071] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8072] write(3, "1000", 4 [pid 8071] <... futex resumed>) = 0 [pid 8072] <... write resumed>) = 4 [pid 8071] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8072] close(3) = 0 [pid 8072] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8072] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8072] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8072] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8074], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8074 [pid 8072] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8072] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8073 attached [pid 8073] set_robust_list(0x7fe58847a9e0, 24) = 0 ./strace-static-x86_64: Process 8074 attached [pid 8073] memfd_create("syzkaller", 0) = 3 [pid 8074] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8074] memfd_create("syzkaller", 0 [pid 8073] <... mmap resumed>) = 0x7fe58005a000 [pid 8074] <... memfd_create resumed>) = 3 [pid 8074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8070] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8068] <... write resumed>) = 4194304 [pid 8068] munmap(0x7fe58005a000, 4194304) = 0 [pid 8068] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8068] ioctl(4, LOOP_SET_FD, 3 [pid 8073] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8074] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8068] <... ioctl resumed>) = 0 [pid 8068] close(3) = 0 [pid 8068] mkdir("./bus", 0777) = 0 [pid 8068] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8070] <... write resumed>) = 4194304 [pid 8070] munmap(0x7fe58005a000, 4194304) = 0 [pid 8070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 246.114867][ T8068] loop5: detected capacity change from 0 to 8192 [ 246.140166][ T8068] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8070] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8070] close(3) = 0 [pid 8070] mkdir("./bus", 0777) = 0 [pid 8070] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8073] <... write resumed>) = 4194304 [pid 8073] munmap(0x7fe58005a000, 4194304) = 0 [pid 8073] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 246.170551][ T8070] loop1: detected capacity change from 0 to 8192 [ 246.176205][ T8068] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 246.194795][ T8068] REISERFS (device loop5): using ordered data mode [ 246.205482][ T8068] reiserfs: using flush barriers [pid 8074] <... write resumed>) = 4194304 [pid 8074] munmap(0x7fe58005a000, 4194304) = 0 [pid 8074] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8074] ioctl(4, LOOP_SET_FD, 3 [pid 8073] ioctl(4, LOOP_SET_FD, 3 [pid 8074] <... ioctl resumed>) = 0 [pid 8074] close(3) = 0 [pid 8074] mkdir("./bus", 0777) = 0 [pid 8074] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8073] <... ioctl resumed>) = 0 [pid 8073] close(3) = 0 [pid 8073] mkdir("./bus", 0777) = 0 [ 246.212396][ T8070] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 246.218420][ T8074] loop4: detected capacity change from 0 to 8192 [ 246.226870][ T8070] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 246.236049][ T8073] loop2: detected capacity change from 0 to 8192 [ 246.241453][ T8068] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 246.253250][ T8074] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 246.264213][ T8070] REISERFS (device loop1): using ordered data mode [ 246.277220][ T8073] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 246.283147][ T8070] reiserfs: using flush barriers [ 246.296514][ T8068] REISERFS (device loop5): checking transaction log (loop5) [ 246.302307][ T8074] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 246.317714][ T8070] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 246.318444][ T8068] REISERFS (device loop5): Using r5 hash to sort names [ 246.334038][ T8074] REISERFS (device loop4): using ordered data mode [ 246.340787][ T8073] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 246.347641][ T8070] REISERFS (device loop1): checking transaction log (loop1) [ 246.357011][ T8068] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 246.364003][ T8073] REISERFS (device loop2): using ordered data mode [ 246.376895][ T8074] reiserfs: using flush barriers [ 246.383002][ T8073] reiserfs: using flush barriers [ 246.391373][ T8070] REISERFS (device loop1): Using r5 hash to sort names [ 246.394187][ T8068] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8073] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8068] <... mount resumed>) = 0 [pid 8068] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8070] <... mount resumed>) = 0 [pid 8068] <... openat resumed>) = 3 [ 246.401350][ T8073] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 246.409351][ T8070] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 246.437821][ T8070] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 246.444661][ T8074] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 246.447940][ T8073] REISERFS (device loop2): checking transaction log (loop2) [pid 8070] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8068] chdir("./bus" [pid 8070] <... openat resumed>) = 3 [pid 8068] <... chdir resumed>) = 0 [pid 8070] chdir("./bus" [pid 8068] ioctl(4, LOOP_CLR_FD [pid 8070] <... chdir resumed>) = 0 [pid 8068] <... ioctl resumed>) = 0 [ 246.465775][ T8074] REISERFS (device loop4): checking transaction log (loop4) [ 246.478845][ T8073] REISERFS (device loop2): Using r5 hash to sort names [ 246.480644][ T8074] REISERFS (device loop4): Using r5 hash to sort names [ 246.486210][ T8073] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 246.494737][ T8074] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8073] <... mount resumed>) = 0 [pid 8070] ioctl(4, LOOP_CLR_FD [pid 8068] close(4 [pid 8070] <... ioctl resumed>) = 0 [pid 8068] <... close resumed>) = 0 [pid 8070] close(4 [pid 8068] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8070] <... close resumed>) = 0 [pid 8068] <... futex resumed>) = 1 [pid 8067] <... futex resumed>) = 0 [pid 8070] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8068] mkdir("./file1", 000 [pid 8067] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8070] <... futex resumed>) = 1 [pid 8069] <... futex resumed>) = 0 [pid 8068] <... mkdir resumed>) = 0 [pid 8067] <... futex resumed>) = 0 [pid 8070] mkdir("./file1", 000 [pid 8069] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8068] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8067] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8070] <... mkdir resumed>) = 0 [pid 8069] <... futex resumed>) = 0 [pid 8068] <... futex resumed>) = 0 [pid 8067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8070] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8069] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8068] mkdir("./bus", 000 [pid 8067] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8070] <... futex resumed>) = 0 [pid 8069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8068] <... mkdir resumed>) = 0 [pid 8067] <... futex resumed>) = 0 [pid 8070] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8069] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8068] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8067] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8069] <... futex resumed>) = 0 [pid 8068] <... futex resumed>) = 0 [pid 8067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8070] mkdir("./bus", 000 [pid 8069] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8068] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8067] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8070] <... mkdir resumed>) = 0 [pid 8068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8067] <... futex resumed>) = 0 [pid 8070] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8068] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8067] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8070] <... futex resumed>) = 1 [pid 8069] <... futex resumed>) = 0 [pid 8070] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8069] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8069] <... futex resumed>) = 0 [pid 8070] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8069] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8073] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8074] <... mount resumed>) = 0 [ 246.505970][ T8073] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 246.519781][ T8074] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 246.539203][ T8068] overlayfs: upper fs needs to support d_type. [ 246.549622][ T8070] overlayfs: upper fs needs to support d_type. [ 246.557274][ T8068] overlayfs: upper fs does not support tmpfile. [ 246.558090][ T8070] overlayfs: upper fs does not support tmpfile. [pid 8073] chdir("./bus" [pid 8074] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8073] <... chdir resumed>) = 0 [pid 8074] <... openat resumed>) = 3 [pid 8073] ioctl(4, LOOP_CLR_FD) = 0 [pid 8073] close(4 [pid 8074] chdir("./bus") = 0 [pid 8073] <... close resumed>) = 0 [pid 8074] ioctl(4, LOOP_CLR_FD [pid 8073] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8074] <... ioctl resumed>) = 0 [pid 8073] <... futex resumed>) = 1 [pid 8071] <... futex resumed>) = 0 [pid 8071] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8073] mkdir("./file1", 000 [pid 8071] <... futex resumed>) = 0 [pid 8074] close(4 [pid 8071] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8074] <... close resumed>) = 0 [pid 8073] <... mkdir resumed>) = 0 [pid 8074] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8073] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8074] <... futex resumed>) = 1 [pid 8073] <... futex resumed>) = 1 [pid 8072] <... futex resumed>) = 0 [pid 8071] <... futex resumed>) = 0 [pid 8074] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8073] mkdir("./bus", 000 [pid 8072] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8071] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8072] <... futex resumed>) = 0 [pid 8071] <... futex resumed>) = 0 [pid 8073] <... mkdir resumed>) = 0 [pid 8072] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8074] mkdir("./file1", 000 [pid 8071] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8073] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8074] <... mkdir resumed>) = 0 [pid 8071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8074] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8073] <... futex resumed>) = 0 [pid 8071] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8074] <... futex resumed>) = 1 [pid 8073] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8072] <... futex resumed>) = 0 [pid 8071] <... futex resumed>) = 0 [pid 8069] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8067] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8074] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8072] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8071] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8069] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8067] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8069] <... futex resumed>) = 0 [pid 8067] <... futex resumed>) = 0 [pid 8069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8072] <... futex resumed>) = 0 [pid 8069] <... mmap resumed>) = 0x7fe580439000 [pid 8067] <... mmap resumed>) = 0x7fe580439000 [pid 8069] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8067] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8072] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8074] mkdir("./bus", 000 [pid 8069] <... mprotect resumed>) = 0 [pid 8067] <... mprotect resumed>) = 0 [pid 8074] <... mkdir resumed>) = 0 [pid 8069] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 246.568363][ T8068] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 246.580312][ T8070] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 246.609496][ T8073] overlayfs: upper fs needs to support d_type. [pid 8067] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8074] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8069] <... clone resumed>, parent_tid=[8079], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8079 [pid 8067] <... clone resumed>, parent_tid=[8080], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8080 [pid 8069] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8067] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8069] <... futex resumed>) = 0 [pid 8067] <... futex resumed>) = 0 [pid 8069] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8067] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8079 attached [pid 8079] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8079] mkdir(".", 0777 [pid 8072] <... futex resumed>) = 0 [pid 8079] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8072] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8079] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8074] <... futex resumed>) = 1 [pid 8072] <... futex resumed>) = 0 [pid 8072] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 246.623126][ T8068] overlayfs: failed to resolve './file0': -2 [ 246.637468][ T8073] overlayfs: upper fs does not support tmpfile. [ 246.646776][ T8074] overlayfs: upper fs needs to support d_type. [ 246.649373][ T8079] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8074] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,"./strace-static-x86_64: Process 8080 attached [pid 8071] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8068] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8080] set_robust_list(0x7fe5804599e0, 24 [pid 8071] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8068] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8080] <... set_robust_list resumed>) = 0 [pid 8071] <... futex resumed>) = 0 [pid 8068] <... futex resumed>) = 0 [pid 8080] mkdir(".", 0777 [pid 8071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8068] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8080] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8071] <... mmap resumed>) = 0x7fe580439000 [pid 8080] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8071] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8071] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8081], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8081 ./strace-static-x86_64: Process 8081 attached [pid 8071] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8072] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8071] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8081] set_robust_list(0x7fe5804599e0, 24 [pid 8072] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8081] <... set_robust_list resumed>) = 0 [pid 8072] <... futex resumed>) = 0 [pid 8081] mkdir(".", 0777 [pid 8072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8081] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8072] <... mmap resumed>) = 0x7fe580439000 [pid 8081] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8072] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [ 246.666629][ T8074] overlayfs: upper fs does not support tmpfile. [ 246.678198][ T8073] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 246.690975][ T8080] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 246.708133][ T8074] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8072] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8082], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8082 [pid 8079] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8079] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8069] <... futex resumed>) = 0 [pid 8079] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8082 attached [pid 8082] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8082] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8072] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8080] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8080] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8067] <... futex resumed>) = 0 [pid 8067] exit_group(0) = ? [pid 8080] <... futex resumed>) = ? [pid 8080] +++ exited with 0 +++ [pid 8073] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8073] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8073] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8082] <... futex resumed>) = 0 [pid 8072] <... futex resumed>) = 1 [pid 8082] mkdir(".", 0777 [pid 8072] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8082] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8082] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8081] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8070] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8068] <... futex resumed>) = ? [pid 8070] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8068] +++ exited with 0 +++ [pid 8067] +++ exited with 0 +++ [pid 8081] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8071] <... futex resumed>) = 0 [pid 8071] exit_group(0) = ? [pid 8073] <... futex resumed>) = ? [pid 8070] <... futex resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8067, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 8081] <... futex resumed>) = ? [pid 5008] <... restart_syscall resumed>) = 0 [pid 8073] +++ exited with 0 +++ [pid 8070] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8069] exit_group(0 [pid 5008] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8079] <... futex resumed>) = ? [pid 8070] <... futex resumed>) = ? [pid 8069] <... exit_group resumed>) = ? [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8079] +++ exited with 0 +++ [pid 8070] +++ exited with 0 +++ [pid 5008] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8069] +++ exited with 0 +++ [pid 5008] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8069, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 8074] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5004] <... restart_syscall resumed>) = 0 [pid 8074] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8081] +++ exited with 0 +++ [pid 8074] <... futex resumed>) = 0 [pid 8071] +++ exited with 0 +++ [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8074] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8071, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5004] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5004] <... openat resumed>) = 3 [pid 5005] <... restart_syscall resumed>) = 0 [ 246.723107][ T8073] overlayfs: failed to resolve './file0': -2 [ 246.723938][ T8070] overlayfs: failed to resolve './file0': -2 [ 246.730965][ T8074] overlayfs: failed to resolve './file0': -2 [ 246.742343][ T8081] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, [pid 5005] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8082] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8082] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8072] <... futex resumed>) = 0 [pid 8082] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8072] exit_group(0 [pid 8082] <... futex resumed>) = ? [pid 8074] <... futex resumed>) = ? [pid 8072] <... exit_group resumed>) = ? [pid 8074] +++ exited with 0 +++ [pid 8082] +++ exited with 0 +++ [pid 8072] +++ exited with 0 +++ [ 246.774895][ T8082] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8072, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./181/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./181/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./181/bus") = 0 [pid 5005] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./181/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./181") = 0 [pid 5005] mkdir("./182", 0777) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5004] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] close(3) = 0 [pid 5004] lstat("./179/bus", [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8083 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./179/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./179/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, ./strace-static-x86_64: Process 8083 attached [pid 5008] <... umount2 resumed>) = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8083] set_robust_list(0x5555568c85e0, 24 [pid 5008] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(4, [pid 8083] <... set_robust_list resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8083] chdir("./182" [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] lstat("./180/bus", [pid 5004] getdents64(4, [pid 8083] <... chdir resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8083] <... prctl resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] close(4 [pid 8083] setpgid(0, 0 [pid 5008] lstat("./182/bus", [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8083] <... setpgid resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./180/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... close resumed>) = 0 [pid 8083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... openat resumed>) = 4 [pid 5004] rmdir("./179/bus" [pid 8083] <... openat resumed>) = 3 [pid 5008] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] fstat(4, [pid 5004] <... rmdir resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8083] write(3, "1000", 4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8083] <... write resumed>) = 4 [pid 5008] openat(AT_FDCWD, "./182/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] getdents64(4, [pid 8083] close(3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8083] <... close resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, [pid 5004] lstat("./179/binderfs", [pid 8083] symlink("/dev/binderfs", "./binderfs" [pid 5008] getdents64(4, [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] <... close resumed>) = 0 [pid 8083] <... symlink resumed>) = 0 [pid 5007] rmdir("./180/bus" [pid 5008] getdents64(4, [pid 8083] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] unlink("./179/binderfs" [pid 5007] <... rmdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5008] close(4 [pid 8083] <... futex resumed>) = 0 [pid 5007] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(3, [pid 8083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8083] <... mmap resumed>) = 0x7fe58845a000 [pid 5008] rmdir("./182/bus" [pid 5007] lstat("./180/binderfs", [pid 5004] close(3 [pid 8083] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... close resumed>) = 0 [pid 8083] <... mprotect resumed>) = 0 [pid 5007] unlink("./180/binderfs" [pid 5004] rmdir("./179" [pid 5008] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8083] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... unlink resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5008] lstat("./182/binderfs", [pid 8083] <... clone resumed>, parent_tid=[8084], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8084 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] mkdir("./180", 0777 [pid 8083] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] close(3./strace-static-x86_64: Process 8084 attached [pid 5004] <... mkdir resumed>) = 0 [pid 5008] unlink("./182/binderfs" [pid 8083] <... futex resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8084] set_robust_list(0x7fe58847a9e0, 24 [pid 5008] <... unlink resumed>) = 0 [pid 5007] rmdir("./180" [pid 8083] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] getdents64(3, [pid 5004] <... openat resumed>) = 3 [pid 8084] <... set_robust_list resumed>) = 0 [pid 8084] memfd_create("syzkaller", 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5008] close(3 [pid 5007] mkdir("./181", 0777 [pid 8084] <... memfd_create resumed>) = 3 [pid 5008] <... close resumed>) = 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5008] rmdir("./182" [pid 5007] <... mkdir resumed>) = 0 [pid 5004] close(3 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] <... close resumed>) = 0 [pid 5008] mkdir("./183", 0777 [pid 5007] <... openat resumed>) = 3 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... mkdir resumed>) = 0 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 8085 attached [pid 8085] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] <... openat resumed>) = 3 [pid 5007] close(3 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8085 [pid 8085] chdir("./180") = 0 [pid 8085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8085] setpgid(0, 0) = 0 [pid 8085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8086 [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8087 [pid 8085] write(3, "1000", 4) = 4 [pid 8085] close(3) = 0 [pid 8085] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8085] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8085] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8085] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8087 attached [pid 8087] set_robust_list(0x5555568c85e0, 24 [pid 8085] <... clone resumed>, parent_tid=[8088], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8088 ./strace-static-x86_64: Process 8086 attached [pid 8085] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8087] <... set_robust_list resumed>) = 0 [pid 8086] set_robust_list(0x5555568c85e0, 24 [pid 8085] <... futex resumed>) = 0 [pid 8087] chdir("./183" [pid 8086] <... set_robust_list resumed>) = 0 [pid 8085] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8087] <... chdir resumed>) = 0 [pid 8086] chdir("./181" [pid 8087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8086] <... chdir resumed>) = 0 [pid 8087] <... prctl resumed>) = 0 [pid 8086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8087] setpgid(0, 0 [pid 8086] <... prctl resumed>) = 0 [pid 8087] <... setpgid resumed>) = 0 [pid 8086] setpgid(0, 0 [pid 8087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8086] <... setpgid resumed>) = 0 [pid 8087] <... openat resumed>) = 3 [pid 8086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 8088 attached [pid 8087] write(3, "1000", 4 [pid 8086] <... openat resumed>) = 3 [pid 8088] set_robust_list(0x7fe58847a9e0, 24 [pid 8087] <... write resumed>) = 4 [pid 8086] write(3, "1000", 4 [pid 8088] <... set_robust_list resumed>) = 0 [pid 8087] close(3 [pid 8086] <... write resumed>) = 4 [pid 8088] memfd_create("syzkaller", 0 [pid 8087] <... close resumed>) = 0 [pid 8086] close(3 [pid 8084] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8088] <... memfd_create resumed>) = 3 [pid 8087] symlink("/dev/binderfs", "./binderfs" [pid 8086] <... close resumed>) = 0 [pid 8088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8087] <... symlink resumed>) = 0 [pid 8086] symlink("/dev/binderfs", "./binderfs" [pid 8088] <... mmap resumed>) = 0x7fe58005a000 [pid 8087] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8086] <... symlink resumed>) = 0 [pid 8086] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8087] <... futex resumed>) = 0 [pid 8086] <... futex resumed>) = 0 [pid 8087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8087] <... mmap resumed>) = 0x7fe58845a000 [pid 8086] <... mmap resumed>) = 0x7fe58845a000 [pid 8087] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8086] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8087] <... mprotect resumed>) = 0 [pid 8086] <... mprotect resumed>) = 0 [pid 8087] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8086] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8087] <... clone resumed>, parent_tid=[8089], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8089 [pid 8087] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8086] <... clone resumed>, parent_tid=[8090], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8090 [pid 8087] <... futex resumed>) = 0 [pid 8086] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8087] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8086] <... futex resumed>) = 0 [pid 8086] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8089 attached [pid 8089] set_robust_list(0x7fe58847a9e0, 24) = 0 ./strace-static-x86_64: Process 8090 attached [pid 8089] memfd_create("syzkaller", 0) = 3 [pid 8088] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8090] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8090] memfd_create("syzkaller", 0) = 3 [pid 8090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8084] <... write resumed>) = 4194304 [pid 8084] munmap(0x7fe58005a000, 4194304 [pid 8089] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8084] <... munmap resumed>) = 0 [pid 8084] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8084] ioctl(4, LOOP_SET_FD, 3 [pid 8090] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8084] <... ioctl resumed>) = 0 [pid 8084] close(3) = 0 [pid 8088] <... write resumed>) = 4194304 [pid 8084] mkdir("./bus", 0777) = 0 [pid 8088] munmap(0x7fe58005a000, 4194304 [pid 8084] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8088] <... munmap resumed>) = 0 [pid 8088] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 247.113760][ T8084] loop2: detected capacity change from 0 to 8192 [ 247.146925][ T8088] loop1: detected capacity change from 0 to 8192 [pid 8088] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8088] close(3) = 0 [pid 8088] mkdir("./bus", 0777) = 0 [pid 8088] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8089] <... write resumed>) = 4194304 [ 247.153947][ T8084] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 247.177829][ T8084] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 247.188536][ T8088] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 247.196106][ T8084] REISERFS (device loop2): using ordered data mode [pid 8089] munmap(0x7fe58005a000, 4194304 [pid 8090] <... write resumed>) = 4194304 [pid 8090] munmap(0x7fe58005a000, 4194304 [pid 8089] <... munmap resumed>) = 0 [pid 8089] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8090] <... munmap resumed>) = 0 [pid 8090] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8090] ioctl(4, LOOP_SET_FD, 3 [pid 8089] ioctl(4, LOOP_SET_FD, 3 [pid 8090] <... ioctl resumed>) = 0 [pid 8090] close(3) = 0 [pid 8090] mkdir("./bus", 0777) = 0 [pid 8090] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8089] <... ioctl resumed>) = 0 [pid 8089] close(3) = 0 [pid 8089] mkdir("./bus", 0777) = 0 [ 247.211218][ T8088] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 247.212316][ T8084] reiserfs: using flush barriers [ 247.220716][ T8088] REISERFS (device loop1): using ordered data mode [ 247.228216][ T8090] loop4: detected capacity change from 0 to 8192 [ 247.232459][ T8088] reiserfs: using flush barriers [ 247.243602][ T8089] loop5: detected capacity change from 0 to 8192 [ 247.244161][ T8090] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 247.263075][ T8088] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.279397][ T8090] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 247.279761][ T8084] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.288875][ T8090] REISERFS (device loop4): using ordered data mode [ 247.305834][ T8088] REISERFS (device loop1): checking transaction log (loop1) [ 247.311384][ T8090] reiserfs: using flush barriers [ 247.318826][ T8089] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 247.337617][ T8089] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 247.337694][ T8088] REISERFS (device loop1): Using r5 hash to sort names [ 247.346857][ T8090] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.354208][ T8089] REISERFS (device loop5): using ordered data mode [ 247.371188][ T8084] REISERFS (device loop2): checking transaction log (loop2) [ 247.376825][ T8089] reiserfs: using flush barriers [ 247.384280][ T8088] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 247.402225][ T8090] REISERFS (device loop4): checking transaction log (loop4) [pid 8089] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8088] <... mount resumed>) = 0 [pid 8088] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8088] chdir("./bus") = 0 [pid 8088] ioctl(4, LOOP_CLR_FD) = 0 [ 247.402938][ T8089] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.409975][ T8088] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 247.425964][ T8089] REISERFS (device loop5): checking transaction log (loop5) [ 247.436884][ T8084] REISERFS (device loop2): Using r5 hash to sort names [ 247.449167][ T8090] REISERFS (device loop4): Using r5 hash to sort names [pid 8088] close(4) = 0 [pid 8088] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8085] <... futex resumed>) = 0 [pid 8088] mkdir("./file1", 000 [pid 8085] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8088] <... mkdir resumed>) = 0 [pid 8085] <... futex resumed>) = 0 [pid 8088] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8085] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8088] <... futex resumed>) = 0 [pid 8085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8088] mkdir("./bus", 000 [pid 8085] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8088] <... mkdir resumed>) = 0 [pid 8085] <... futex resumed>) = 0 [pid 8088] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8085] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8088] <... futex resumed>) = 0 [pid 8085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8088] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8085] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 247.457487][ T8084] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 247.471521][ T8088] overlayfs: upper fs needs to support d_type. [ 247.471543][ T8089] REISERFS (device loop5): Using r5 hash to sort names [ 247.477704][ T8088] overlayfs: upper fs does not support tmpfile. [ 247.478168][ T8088] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 247.485598][ T8090] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8085] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8085] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8085] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8085] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8095], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8095 [pid 8085] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8085] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8095 attached [pid 8095] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8095] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8095] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8084] <... mount resumed>) = 0 [pid 8084] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8084] chdir("./bus") = 0 [pid 8084] ioctl(4, LOOP_CLR_FD) = 0 [pid 8084] close(4) = 0 [pid 8084] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8084] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8088] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8083] <... futex resumed>) = 0 [pid 8088] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8083] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8088] <... futex resumed>) = 0 [pid 8088] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8084] <... futex resumed>) = 0 [pid 8083] <... futex resumed>) = 1 [pid 8084] mkdir("./file1", 000 [pid 8083] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8084] <... mkdir resumed>) = 0 [pid 8084] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8083] <... futex resumed>) = 0 [pid 8084] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8083] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8083] <... futex resumed>) = 0 [ 247.493086][ T8088] overlayfs: failed to resolve './file0': -2 [ 247.498489][ T8089] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 247.511446][ T8084] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 247.516990][ T8090] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 247.544142][ T8089] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8084] mkdir("./bus", 000 [pid 8083] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8090] <... mount resumed>) = 0 [pid 8089] <... mount resumed>) = 0 [pid 8084] <... mkdir resumed>) = 0 [pid 8090] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8090] chdir("./bus") = 0 [pid 8090] ioctl(4, LOOP_CLR_FD) = 0 [pid 8090] close(4 [pid 8084] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8095] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8090] <... close resumed>) = 0 [pid 8089] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8090] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8086] <... futex resumed>) = 0 [pid 8084] <... futex resumed>) = 1 [pid 8083] <... futex resumed>) = 0 [pid 8090] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8086] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8084] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8083] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8086] <... futex resumed>) = 0 [pid 8083] <... futex resumed>) = 0 [pid 8090] mkdir("./file1", 000 [pid 8086] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8083] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8090] <... mkdir resumed>) = 0 [pid 8090] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8090] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8095] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8095] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8089] <... openat resumed>) = 3 [pid 8086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8085] <... futex resumed>) = 0 [pid 8086] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8085] exit_group(0 [pid 8095] <... futex resumed>) = ? [pid 8090] <... futex resumed>) = 0 [pid 8088] <... futex resumed>) = ? [pid 8086] <... futex resumed>) = 1 [pid 8085] <... exit_group resumed>) = ? [pid 8095] +++ exited with 0 +++ [pid 8090] mkdir("./bus", 000 [pid 8089] chdir("./bus" [pid 8088] +++ exited with 0 +++ [pid 8086] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8085] +++ exited with 0 +++ [pid 8090] <... mkdir resumed>) = 0 [pid 8089] <... chdir resumed>) = 0 [pid 8090] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8085, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 8089] ioctl(4, LOOP_CLR_FD [pid 8090] <... futex resumed>) = 1 [pid 8086] <... futex resumed>) = 0 [ 247.567353][ T8095] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 247.590548][ T8084] overlayfs: upper fs needs to support d_type. [ 247.608035][ T8084] overlayfs: upper fs does not support tmpfile. [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 8090] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8089] <... ioctl resumed>) = 0 [pid 8086] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... restart_syscall resumed>) = 0 [pid 8090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8086] <... futex resumed>) = 0 [pid 8090] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8089] close(4 [pid 8086] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8089] <... close resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8089] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8089] <... futex resumed>) = 1 [pid 5004] fstat(3, [pid 8089] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8087] <... futex resumed>) = 0 [pid 8087] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8087] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8089] mkdir("./file1", 000 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8089] <... mkdir resumed>) = 0 [pid 5004] getdents64(3, [pid 8083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8089] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8087] <... futex resumed>) = 0 [pid 8083] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8087] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8087] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8089] mkdir("./bus", 000 [pid 8083] <... futex resumed>) = 0 [pid 5004] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8089] <... mkdir resumed>) = 0 [pid 8083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8089] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8083] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8089] <... futex resumed>) = 1 [pid 8087] <... futex resumed>) = 0 [pid 8086] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8083] <... mprotect resumed>) = 0 [pid 8087] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8086] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8087] <... futex resumed>) = 0 [pid 8086] <... futex resumed>) = 0 [pid 8087] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8086] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8086] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8096], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8096 [pid 8086] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 247.617517][ T8090] overlayfs: upper fs needs to support d_type. [ 247.620345][ T8084] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 247.625243][ T8090] overlayfs: upper fs does not support tmpfile. [ 247.640574][ T8084] overlayfs: failed to resolve './file0': -2 [ 247.641718][ T8090] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8086] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8089] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8083] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8097], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8097 [pid 8083] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8083] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8096 attached [pid 8096] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8096] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8096] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8097 attached [pid 8097] set_robust_list(0x7fe5804599e0, 24 [pid 8084] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8084] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8084] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8097] <... set_robust_list resumed>) = 0 [ 247.671888][ T8089] overlayfs: upper fs needs to support d_type. [ 247.680807][ T8089] overlayfs: upper fs does not support tmpfile. [ 247.688332][ T8090] overlayfs: failed to resolve './file0': -2 [pid 8097] mkdir(".", 0777 [pid 8087] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8087] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 8087] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8087] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8087] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8098], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8098 [pid 8087] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8087] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8097] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8097] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8090] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8090] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8090] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8098 attached [pid 8098] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8098] mkdir(".", 0777) = -1 EEXIST (File exists) [ 247.712415][ T8089] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 247.723358][ T8096] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 247.726444][ T8097] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8098] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8097] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8096] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = 0 [pid 8097] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8096] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8097] <... futex resumed>) = 1 [pid 8096] <... futex resumed>) = 1 [pid 8089] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8086] <... futex resumed>) = 0 [pid 8083] <... futex resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8097] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8096] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8089] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8086] exit_group(0 [pid 5004] lstat("./180/bus", [pid 8090] <... futex resumed>) = ? [pid 8086] <... exit_group resumed>) = ? [pid 8083] exit_group(0 [pid 8096] <... futex resumed>) = ? [pid 8090] +++ exited with 0 +++ [pid 8089] <... futex resumed>) = 0 [pid 8083] <... exit_group resumed>) = ? [pid 8084] <... futex resumed>) = ? [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8097] <... futex resumed>) = ? [pid 8096] +++ exited with 0 +++ [pid 8089] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8086] +++ exited with 0 +++ [pid 8084] +++ exited with 0 +++ [pid 5004] umount2("./180/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8097] +++ exited with 0 +++ [pid 8083] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8086, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=27 /* 0.27 s */} --- [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./180/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8083, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5004] <... openat resumed>) = 4 [pid 5007] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] fstat(4, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] getdents64(4, [pid 5007] <... openat resumed>) = 3 [pid 5005] <... openat resumed>) = 3 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] fstat(3, [pid 5005] fstat(3, [pid 5004] getdents64(4, [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] getdents64(3, [pid 5005] getdents64(3, [pid 5004] close(4 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] <... close resumed>) = 0 [pid 5007] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] rmdir("./180/bus" [pid 8098] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... rmdir resumed>) = 0 [pid 8098] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8087] <... futex resumed>) = 0 [pid 5004] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8098] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8087] exit_group(0 [pid 8098] <... futex resumed>) = ? [pid 8089] <... futex resumed>) = ? [pid 8087] <... exit_group resumed>) = ? [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8098] +++ exited with 0 +++ [pid 8089] +++ exited with 0 +++ [pid 8087] +++ exited with 0 +++ [pid 5004] lstat("./180/binderfs", [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8087, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./180/binderfs" [pid 5008] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] <... unlink resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] getdents64(3, [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] close(3 [pid 5008] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./180") = 0 [ 247.757388][ T8089] overlayfs: failed to resolve './file0': -2 [ 247.765036][ T8098] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] mkdir("./181", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8099 ./strace-static-x86_64: Process 8099 attached [pid 8099] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8099] chdir("./181") = 0 [pid 8099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8099] setpgid(0, 0) = 0 [pid 8099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8099] write(3, "1000", 4) = 4 [pid 8099] close(3) = 0 [pid 8099] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8099] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8099] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8099] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8100], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8100 [pid 8099] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8099] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8100 attached [pid 8100] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8100] memfd_create("syzkaller", 0) = 3 [pid 8100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./182/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./182/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(4, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] lstat("./181/bus", [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] close(4 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... close resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./181/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] rmdir("./182/bus") = 0 [pid 5007] <... openat resumed>) = 4 [pid 5005] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] fstat(4, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./182/binderfs", [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] getdents64(4, [pid 5005] unlink("./182/binderfs") = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(3, [pid 5007] getdents64(4, [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(3 [pid 5007] close(4 [pid 5005] <... close resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5005] rmdir("./182" [pid 5007] rmdir("./181/bus" [pid 5008] <... umount2 resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5007] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] mkdir("./183", 0777 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] lstat("./181/binderfs", [pid 5005] <... mkdir resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5007] unlink("./181/binderfs") = 0 [pid 5005] <... openat resumed>) = 3 [pid 5007] getdents64(3, [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 5005] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... close resumed>) = 0 [pid 5008] lstat("./183/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./183/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./183/bus") = 0 [pid 5008] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./183/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./183") = 0 [pid 5008] mkdir("./184", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5005] <... close resumed>) = 0 [pid 5007] rmdir("./181" [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... rmdir resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5007] mkdir("./182", 0777 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8101 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5008] <... close resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8102 [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8102 attached [pid 8102] set_robust_list(0x5555568c85e0, 24 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8103 [pid 8102] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 8103 attached ./strace-static-x86_64: Process 8101 attached [pid 8103] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8101] set_robust_list(0x5555568c85e0, 24 [pid 8103] chdir("./182" [pid 8101] <... set_robust_list resumed>) = 0 [pid 8103] <... chdir resumed>) = 0 [pid 8102] chdir("./184" [pid 8101] chdir("./183" [pid 8103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8102] <... chdir resumed>) = 0 [pid 8101] <... chdir resumed>) = 0 [pid 8103] <... prctl resumed>) = 0 [pid 8101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8103] setpgid(0, 0 [pid 8101] <... prctl resumed>) = 0 [pid 8103] <... setpgid resumed>) = 0 [pid 8103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8101] setpgid(0, 0 [pid 8102] <... prctl resumed>) = 0 [pid 8101] <... setpgid resumed>) = 0 [pid 8103] <... openat resumed>) = 3 [pid 8102] setpgid(0, 0 [pid 8101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8103] write(3, "1000", 4 [pid 8102] <... setpgid resumed>) = 0 [pid 8101] <... openat resumed>) = 3 [pid 8103] <... write resumed>) = 4 [pid 8102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8101] write(3, "1000", 4 [pid 8103] close(3 [pid 8102] <... openat resumed>) = 3 [pid 8101] <... write resumed>) = 4 [pid 8103] <... close resumed>) = 0 [pid 8102] write(3, "1000", 4 [pid 8101] close(3 [pid 8103] symlink("/dev/binderfs", "./binderfs" [pid 8102] <... write resumed>) = 4 [pid 8101] <... close resumed>) = 0 [pid 8103] <... symlink resumed>) = 0 [pid 8102] close(3 [pid 8101] symlink("/dev/binderfs", "./binderfs" [pid 8103] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8102] <... close resumed>) = 0 [pid 8101] <... symlink resumed>) = 0 [pid 8103] <... futex resumed>) = 0 [pid 8102] symlink("/dev/binderfs", "./binderfs" [pid 8101] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8102] <... symlink resumed>) = 0 [pid 8101] <... futex resumed>) = 0 [pid 8103] <... mmap resumed>) = 0x7fe58845a000 [pid 8102] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8103] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8102] <... futex resumed>) = 0 [pid 8103] <... mprotect resumed>) = 0 [pid 8102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8101] <... mmap resumed>) = 0x7fe58845a000 [pid 8103] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8102] <... mmap resumed>) = 0x7fe58845a000 [pid 8101] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8102] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8103] <... clone resumed>, parent_tid=[8104], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8104 [pid 8102] <... mprotect resumed>) = 0 [pid 8101] <... mprotect resumed>) = 0 [pid 8103] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8102] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8103] <... futex resumed>) = 0 [pid 8101] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8102] <... clone resumed>, parent_tid=[8105], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8105 [pid 8102] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8102] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8104 attached [pid 8103] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8101] <... clone resumed>, parent_tid=[8106], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8106 [pid 8101] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8101] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8104] set_robust_list(0x7fe58847a9e0, 24) = 0 ./strace-static-x86_64: Process 8105 attached ./strace-static-x86_64: Process 8106 attached [pid 8105] set_robust_list(0x7fe58847a9e0, 24 [pid 8104] memfd_create("syzkaller", 0 [pid 8100] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8105] <... set_robust_list resumed>) = 0 [pid 8104] <... memfd_create resumed>) = 3 [pid 8104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8105] memfd_create("syzkaller", 0) = 3 [pid 8106] set_robust_list(0x7fe58847a9e0, 24 [pid 8105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8106] <... set_robust_list resumed>) = 0 [pid 8106] memfd_create("syzkaller", 0) = 3 [pid 8106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8105] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8104] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8106] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8100] <... write resumed>) = 4194304 [pid 8100] munmap(0x7fe58005a000, 4194304) = 0 [pid 8100] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8100] ioctl(4, LOOP_SET_FD, 3 [pid 8105] <... write resumed>) = 4194304 [pid 8100] <... ioctl resumed>) = 0 [pid 8100] close(3) = 0 [pid 8100] mkdir("./bus", 0777) = 0 [pid 8100] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8105] munmap(0x7fe58005a000, 4194304) = 0 [pid 8105] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8105] ioctl(4, LOOP_SET_FD, 3 [pid 8106] <... write resumed>) = 4194304 [pid 8105] <... ioctl resumed>) = 0 [pid 8104] <... write resumed>) = 4194304 [pid 8106] munmap(0x7fe58005a000, 4194304 [pid 8105] close(3 [pid 8106] <... munmap resumed>) = 0 [pid 8105] <... close resumed>) = 0 [pid 8106] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 248.156590][ T8100] loop1: detected capacity change from 0 to 8192 [ 248.188483][ T8105] loop5: detected capacity change from 0 to 8192 [pid 8105] mkdir("./bus", 0777 [pid 8106] <... openat resumed>) = 4 [pid 8105] <... mkdir resumed>) = 0 [pid 8106] ioctl(4, LOOP_SET_FD, 3 [pid 8105] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8106] <... ioctl resumed>) = 0 [pid 8106] close(3) = 0 [pid 8106] mkdir("./bus", 0777) = 0 [pid 8106] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8104] munmap(0x7fe58005a000, 4194304) = 0 [pid 8104] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8104] ioctl(4, LOOP_SET_FD, 3) = 0 [ 248.195551][ T8100] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.209283][ T8100] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 248.209291][ T8106] loop2: detected capacity change from 0 to 8192 [ 248.225856][ T8104] loop4: detected capacity change from 0 to 8192 [ 248.226098][ T8100] REISERFS (device loop1): using ordered data mode [ 248.233221][ T8105] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.239360][ T8100] reiserfs: using flush barriers [ 248.253035][ T8106] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.257938][ T8105] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 248.269809][ T8106] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 248.279830][ T8100] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8104] close(3) = 0 [pid 8104] mkdir("./bus", 0777) = 0 [ 248.288214][ T8106] REISERFS (device loop2): using ordered data mode [ 248.309317][ T8104] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.311393][ T8105] REISERFS (device loop5): using ordered data mode [ 248.324990][ T8104] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 248.330250][ T8106] reiserfs: using flush barriers [ 248.344626][ T8105] reiserfs: using flush barriers [ 248.351098][ T8105] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 248.352635][ T8100] REISERFS (device loop1): checking transaction log (loop1) [ 248.368652][ T8105] REISERFS (device loop5): checking transaction log (loop5) [ 248.378172][ T8100] REISERFS (device loop1): Using r5 hash to sort names [ 248.382076][ T8106] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8104] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8100] <... mount resumed>) = 0 [ 248.390070][ T8100] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 248.405408][ T8104] REISERFS (device loop4): using ordered data mode [ 248.417783][ T8100] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 248.425017][ T8106] REISERFS (device loop2): checking transaction log (loop2) [ 248.433515][ T8104] reiserfs: using flush barriers [ 248.442447][ T8105] REISERFS (device loop5): Using r5 hash to sort names [pid 8100] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8100] chdir("./bus") = 0 [pid 8100] ioctl(4, LOOP_CLR_FD) = 0 [pid 8100] close(4) = 0 [pid 8100] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8100] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8099] <... futex resumed>) = 0 [pid 8099] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8100] <... futex resumed>) = 0 [pid 8100] mkdir("./file1", 000) = 0 [pid 8100] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8100] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8099] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [ 248.448893][ T8104] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 248.470667][ T8104] REISERFS (device loop4): checking transaction log (loop4) [ 248.471407][ T8106] REISERFS (device loop2): Using r5 hash to sort names [ 248.479084][ T8105] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 248.498404][ T8105] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8099] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8100] <... futex resumed>) = 0 [pid 8100] mkdir("./bus", 000) = 0 [pid 8100] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8100] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8105] <... mount resumed>) = 0 [pid 8105] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8105] chdir("./bus") = 0 [pid 8105] ioctl(4, LOOP_CLR_FD) = 0 [pid 8105] close(4) = 0 [pid 8105] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8102] <... futex resumed>) = 0 [pid 8102] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8102] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8105] <... futex resumed>) = 1 [pid 8105] mkdir("./file1", 000) = 0 [pid 8105] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8102] <... futex resumed>) = 0 [pid 8102] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8102] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8105] <... futex resumed>) = 1 [pid 8105] mkdir("./bus", 000) = 0 [pid 8105] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8102] <... futex resumed>) = 0 [pid 8102] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8102] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8105] <... futex resumed>) = 1 [pid 8105] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8099] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8099] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8100] <... futex resumed>) = 0 [pid 8099] <... futex resumed>) = 1 [pid 8100] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8099] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8106] <... mount resumed>) = 0 [ 248.499558][ T8106] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 248.518774][ T8104] REISERFS (device loop4): Using r5 hash to sort names [ 248.527773][ T8100] overlayfs: upper fs needs to support d_type. [ 248.535224][ T8106] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 248.535839][ T8105] overlayfs: upper fs needs to support d_type. [pid 8106] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8102] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8106] chdir("./bus") = 0 [pid 8102] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8099] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8106] ioctl(4, LOOP_CLR_FD) = 0 [pid 8102] <... futex resumed>) = 0 [pid 8099] <... futex resumed>) = 0 [pid 8106] close(4) = 0 [pid 8102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8102] <... mmap resumed>) = 0x7fe580439000 [pid 8099] <... mmap resumed>) = 0x7fe580439000 [pid 8102] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8099] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8102] <... mprotect resumed>) = 0 [pid 8099] <... mprotect resumed>) = 0 [pid 8102] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8099] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8102] <... clone resumed>, parent_tid=[8111], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8111 [pid 8099] <... clone resumed>, parent_tid=[8112], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8112 [pid 8102] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8099] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8102] <... futex resumed>) = 0 [pid 8099] <... futex resumed>) = 0 [pid 8102] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8099] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8106] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8101] <... futex resumed>) = 0 [pid 8106] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8101] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8101] <... futex resumed>) = 0 [pid 8106] mkdir("./file1", 000 [pid 8101] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8106] <... mkdir resumed>) = 0 [pid 8106] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8101] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8111 attached [pid 8106] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8101] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8111] set_robust_list(0x7fe5804599e0, 24 [pid 8106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8101] <... futex resumed>) = 0 [pid 8111] <... set_robust_list resumed>) = 0 [pid 8106] mkdir("./bus", 000 [pid 8101] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8111] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8106] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 8112 attached [pid 8112] set_robust_list(0x7fe5804599e0, 24 [pid 8111] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8106] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8112] <... set_robust_list resumed>) = 0 [pid 8112] mkdir(".", 0777 [pid 8106] <... futex resumed>) = 1 [pid 8101] <... futex resumed>) = 0 [pid 8112] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8106] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8101] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8112] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8101] <... futex resumed>) = 0 [ 248.545573][ T8104] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 248.552389][ T8100] overlayfs: upper fs does not support tmpfile. [ 248.585992][ T8105] overlayfs: upper fs does not support tmpfile. [ 248.601570][ T8106] overlayfs: upper fs needs to support d_type. [ 248.604023][ T8105] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 248.609450][ T8106] overlayfs: upper fs does not support tmpfile. [ 248.617476][ T8100] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 248.621968][ T8111] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 248.628338][ T8112] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8101] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8112] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8112] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8099] <... futex resumed>) = 0 [pid 8112] <... futex resumed>) = 1 [pid 8112] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8101] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8101] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8100] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8101] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8100] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8101] <... clone resumed>, parent_tid=[8113], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8113 [pid 8100] <... futex resumed>) = 0 [pid 8101] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8099] exit_group(0 [pid 8101] <... futex resumed>) = 0 [pid 8112] <... futex resumed>) = ? [pid 8099] <... exit_group resumed>) = ? [pid 8112] +++ exited with 0 +++ [pid 8101] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8113 attached [pid 8100] +++ exited with 0 +++ [pid 8099] +++ exited with 0 +++ [pid 8113] set_robust_list(0x7fe5804599e0, 24 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8099, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=29 /* 0.29 s */} --- [pid 8113] <... set_robust_list resumed>) = 0 [pid 8113] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5004] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8113] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5004] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8111] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8111] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8102] <... futex resumed>) = 0 [pid 8111] <... futex resumed>) = 1 [pid 8111] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8105] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8105] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8102] exit_group(0 [pid 8111] <... futex resumed>) = ? [pid 8105] <... futex resumed>) = ? [pid 8102] <... exit_group resumed>) = ? [pid 8111] +++ exited with 0 +++ [pid 8105] +++ exited with 0 +++ [pid 8102] +++ exited with 0 +++ [ 248.655927][ T8106] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 248.660379][ T8100] overlayfs: failed to resolve './file0': -2 [ 248.664487][ T8104] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 248.677397][ T8105] overlayfs: failed to resolve './file0': -2 [ 248.695854][ T8106] overlayfs: failed to resolve './file0': -2 [pid 8104] <... mount resumed>) = 0 [pid 8104] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8104] chdir("./bus") = 0 [pid 8104] ioctl(4, LOOP_CLR_FD) = 0 [pid 8104] close(4) = 0 [pid 8104] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8102, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 8104] <... futex resumed>) = 1 [pid 8104] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8103] <... futex resumed>) = 0 [pid 8103] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5008] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8103] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, [pid 8104] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8104] mkdir("./file1", 000 [pid 5008] getdents64(3, [pid 8104] <... mkdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8104] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8104] <... futex resumed>) = 1 [pid 8103] <... futex resumed>) = 0 [pid 8104] mkdir("./bus", 000 [pid 8103] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8103] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8104] <... mkdir resumed>) = 0 [pid 8104] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8103] <... futex resumed>) = 0 [pid 8104] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8103] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 248.712116][ T8113] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 248.751993][ T8104] overlayfs: upper fs needs to support d_type. [pid 8113] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8103] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8113] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8101] <... futex resumed>) = 0 [pid 8113] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8106] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8106] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8101] exit_group(0 [pid 8113] <... futex resumed>) = ? [pid 8101] <... exit_group resumed>) = ? [pid 8113] +++ exited with 0 +++ [pid 8106] +++ exited with 0 +++ [pid 8101] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8101, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8104] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8104] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8103] <... futex resumed>) = 0 [pid 8104] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8103] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8104] <... futex resumed>) = 0 [pid 8103] <... futex resumed>) = 1 [pid 8103] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8104] mkdir(".", 0777) = -1 EEXIST (File exists) [ 248.758472][ T8104] overlayfs: upper fs does not support tmpfile. [ 248.769182][ T8104] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 248.792169][ T8104] overlayfs: failed to resolve './file0': -2 [pid 8104] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5004] <... umount2 resumed>) = 0 [pid 8104] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8104] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8103] <... futex resumed>) = 0 [pid 8103] exit_group(0) = ? [pid 8104] +++ exited with 0 +++ [pid 8103] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8103, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./181/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./181/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./181/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./181/bus") = 0 [pid 5004] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 248.822987][ T8104] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] unlink("./181/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./181") = 0 [pid 5004] mkdir("./182", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8114 [pid 5008] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./183/bus", [pid 5008] lstat("./184/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./184/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] openat(AT_FDCWD, "./183/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] <... openat resumed>) = 4 [pid 5005] fstat(4, [pid 5008] fstat(4, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, [pid 5008] getdents64(4, [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4 [pid 5008] close(4 [pid 5005] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5005] rmdir("./183/bus" [pid 5008] rmdir("./184/bus") = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5008] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./184/binderfs", [pid 5005] lstat("./183/binderfs", ./strace-static-x86_64: Process 8114 attached [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8114] set_robust_list(0x5555568c85e0, 24 [pid 5008] unlink("./184/binderfs" [pid 5005] unlink("./183/binderfs" [pid 8114] <... set_robust_list resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 8114] chdir("./182" [pid 5008] getdents64(3, [pid 5005] getdents64(3, [pid 8114] <... chdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] close(3 [pid 5005] close(3 [pid 8114] <... prctl resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 8114] setpgid(0, 0 [pid 5008] rmdir("./184" [pid 5005] rmdir("./183" [pid 8114] <... setpgid resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 8114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] mkdir("./185", 0777 [pid 5005] mkdir("./184", 0777 [pid 8114] <... openat resumed>) = 3 [pid 5008] <... mkdir resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 8114] write(3, "1000", 4 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8114] <... write resumed>) = 4 [pid 5008] <... openat resumed>) = 3 [pid 5005] <... openat resumed>) = 3 [pid 8114] close(3 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5005] ioctl(3, LOOP_CLR_FD [pid 8114] <... close resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8114] symlink("/dev/binderfs", "./binderfs" [pid 5008] close(3 [pid 5005] close(3 [pid 8114] <... symlink resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 8114] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8114] <... futex resumed>) = 0 [pid 8114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8115 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8116 [pid 8114] <... mmap resumed>) = 0x7fe58845a000 [pid 8114] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 8115 attached [pid 8114] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8117], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8117 [pid 8114] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8114] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8117 attached ./strace-static-x86_64: Process 8116 attached [pid 8115] set_robust_list(0x5555568c85e0, 24 [pid 8117] set_robust_list(0x7fe58847a9e0, 24 [pid 8116] set_robust_list(0x5555568c85e0, 24 [pid 8115] <... set_robust_list resumed>) = 0 [pid 8117] <... set_robust_list resumed>) = 0 [pid 8116] <... set_robust_list resumed>) = 0 [pid 8115] chdir("./185" [pid 8117] memfd_create("syzkaller", 0 [pid 8116] chdir("./184" [pid 8115] <... chdir resumed>) = 0 [pid 8117] <... memfd_create resumed>) = 3 [pid 8116] <... chdir resumed>) = 0 [pid 8115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8115] <... prctl resumed>) = 0 [pid 8117] <... mmap resumed>) = 0x7fe58005a000 [pid 8116] <... prctl resumed>) = 0 [pid 8115] setpgid(0, 0 [pid 8116] setpgid(0, 0 [pid 8115] <... setpgid resumed>) = 0 [pid 8116] <... setpgid resumed>) = 0 [pid 8115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8115] <... openat resumed>) = 3 [pid 8116] <... openat resumed>) = 3 [pid 8115] write(3, "1000", 4 [pid 8116] write(3, "1000", 4 [pid 8115] <... write resumed>) = 4 [pid 8116] <... write resumed>) = 4 [pid 8115] close(3 [pid 8116] close(3 [pid 8115] <... close resumed>) = 0 [pid 8116] <... close resumed>) = 0 [pid 8115] symlink("/dev/binderfs", "./binderfs" [pid 8116] symlink("/dev/binderfs", "./binderfs" [pid 8115] <... symlink resumed>) = 0 [pid 8116] <... symlink resumed>) = 0 [pid 8115] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8116] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8115] <... futex resumed>) = 0 [pid 8116] <... futex resumed>) = 0 [pid 8115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8115] <... mmap resumed>) = 0x7fe58845a000 [pid 5007] <... umount2 resumed>) = 0 [pid 8116] <... mmap resumed>) = 0x7fe58845a000 [pid 8115] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8116] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8115] <... mprotect resumed>) = 0 [pid 8116] <... mprotect resumed>) = 0 [pid 8115] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8116] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8115] <... clone resumed>, parent_tid=[8118], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8118 [pid 8116] <... clone resumed>, parent_tid=[8119], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8119 [pid 8115] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8116] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8115] <... futex resumed>) = 0 [pid 8116] <... futex resumed>) = 0 [pid 8115] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8116] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8118 attached [pid 8118] set_robust_list(0x7fe58847a9e0, 24./strace-static-x86_64: Process 8119 attached [pid 5007] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8118] <... set_robust_list resumed>) = 0 [pid 8119] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8119] <... set_robust_list resumed>) = 0 [pid 5007] lstat("./182/bus", [pid 8119] memfd_create("syzkaller", 0 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8119] <... memfd_create resumed>) = 3 [pid 5007] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8118] memfd_create("syzkaller", 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8118] <... memfd_create resumed>) = 3 [pid 8118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8119] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] openat(AT_FDCWD, "./182/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./182/bus") = 0 [pid 5007] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./182/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./182") = 0 [pid 5007] mkdir("./183", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8120 ./strace-static-x86_64: Process 8120 attached [pid 8120] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8120] chdir("./183") = 0 [pid 8120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8117] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8120] <... prctl resumed>) = 0 [pid 8120] setpgid(0, 0) = 0 [pid 8120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8120] write(3, "1000", 4) = 4 [pid 8120] close(3) = 0 [pid 8120] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8120] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8120] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8120] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8121], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8121 [pid 8120] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8120] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8121 attached [pid 8121] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8121] memfd_create("syzkaller", 0) = 3 [pid 8121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8118] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8119] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8117] <... write resumed>) = 4194304 [pid 8117] munmap(0x7fe58005a000, 4194304) = 0 [pid 8117] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8117] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8117] close(3) = 0 [pid 8117] mkdir("./bus", 0777) = 0 [pid 8117] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8119] <... write resumed>) = 4194304 [pid 8121] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8119] munmap(0x7fe58005a000, 4194304) = 0 [ 249.158036][ T8117] loop1: detected capacity change from 0 to 8192 [ 249.182362][ T8117] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 249.195864][ T8117] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8119] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8119] ioctl(4, LOOP_SET_FD, 3 [pid 8118] <... write resumed>) = 4194304 [pid 8118] munmap(0x7fe58005a000, 4194304) = 0 [pid 8119] <... ioctl resumed>) = 0 [pid 8118] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8118] ioctl(4, LOOP_SET_FD, 3 [pid 8119] close(3) = 0 [pid 8119] mkdir("./bus", 0777 [pid 8118] <... ioctl resumed>) = 0 [pid 8118] close(3) = 0 [pid 8119] <... mkdir resumed>) = 0 [pid 8118] mkdir("./bus", 0777 [ 249.208412][ T8117] REISERFS (device loop1): using ordered data mode [ 249.216531][ T8119] loop2: detected capacity change from 0 to 8192 [ 249.223405][ T8117] reiserfs: using flush barriers [ 249.224572][ T8118] loop5: detected capacity change from 0 to 8192 [ 249.229811][ T8117] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8119] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8118] <... mkdir resumed>) = 0 [pid 8118] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8121] <... write resumed>) = 4194304 [pid 8121] munmap(0x7fe58005a000, 4194304) = 0 [pid 8121] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8121] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8121] close(3) = 0 [pid 8121] mkdir("./bus", 0777) = 0 [ 249.255244][ T8117] REISERFS (device loop1): checking transaction log (loop1) [ 249.263751][ T8119] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 249.272852][ T8121] loop4: detected capacity change from 0 to 8192 [ 249.278206][ T8117] REISERFS (device loop1): Using r5 hash to sort names [ 249.286429][ T8119] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 249.290933][ T8117] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 249.301344][ T8118] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 249.312115][ T8119] REISERFS (device loop2): using ordered data mode [ 249.326188][ T8118] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 249.331644][ T8117] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8121] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8117] <... mount resumed>) = 0 [pid 8117] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8117] chdir("./bus") = 0 [pid 8117] ioctl(4, LOOP_CLR_FD) = 0 [ 249.340932][ T8121] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 249.349952][ T8119] reiserfs: using flush barriers [ 249.363816][ T8118] REISERFS (device loop5): using ordered data mode [ 249.369347][ T8119] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 249.391483][ T8118] reiserfs: using flush barriers [ 249.392234][ T8119] REISERFS (device loop2): checking transaction log (loop2) [pid 8117] close(4) = 0 [pid 8117] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8114] <... futex resumed>) = 0 [pid 8117] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 8114] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8117] mkdir("./file1", 000 [pid 8114] <... futex resumed>) = 0 [pid 8117] <... mkdir resumed>) = 0 [ 249.407158][ T8119] REISERFS (device loop2): Using r5 hash to sort names [ 249.414800][ T8121] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 249.415546][ T8119] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 249.437992][ T8118] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8114] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8117] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8114] <... futex resumed>) = 0 [pid 8117] mkdir("./bus", 000 [pid 8114] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8119] <... mount resumed>) = 0 [pid 8117] <... mkdir resumed>) = 0 [pid 8114] <... futex resumed>) = 0 [pid 8119] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8117] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8114] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8119] <... openat resumed>) = 3 [pid 8117] <... futex resumed>) = 0 [pid 8114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8119] chdir("./bus" [pid 8117] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8114] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8119] <... chdir resumed>) = 0 [pid 8117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8114] <... futex resumed>) = 0 [pid 8119] ioctl(4, LOOP_CLR_FD [pid 8117] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8114] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8119] <... ioctl resumed>) = 0 [pid 8119] close(4) = 0 [pid 8119] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8116] <... futex resumed>) = 0 [pid 8119] mkdir("./file1", 000 [pid 8116] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8119] <... mkdir resumed>) = 0 [pid 8116] <... futex resumed>) = 0 [pid 8119] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8116] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8119] <... futex resumed>) = 0 [pid 8116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8119] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8116] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8116] <... futex resumed>) = 0 [pid 8119] mkdir("./bus", 000 [pid 8116] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8119] <... mkdir resumed>) = 0 [pid 8119] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8116] <... futex resumed>) = 0 [pid 8119] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8116] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8116] <... futex resumed>) = 0 [pid 8119] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 249.438682][ T8119] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 249.465461][ T8121] REISERFS (device loop4): using ordered data mode [ 249.466891][ T8118] REISERFS (device loop5): checking transaction log (loop5) [ 249.473663][ T8121] reiserfs: using flush barriers [ 249.491458][ T8117] overlayfs: upper fs needs to support d_type. [ 249.498356][ T8119] overlayfs: upper fs needs to support d_type. [pid 8116] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8114] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8114] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8116] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8114] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8116] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8114] <... mprotect resumed>) = 0 [pid 8116] <... futex resumed>) = 0 [pid 8114] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8114] <... clone resumed>, parent_tid=[8126], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8126 [pid 8116] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8114] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8116] <... mprotect resumed>) = 0 [ 249.507832][ T8121] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 249.508833][ T8117] overlayfs: upper fs does not support tmpfile. [ 249.531028][ T8119] overlayfs: upper fs does not support tmpfile. [ 249.538658][ T8119] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 249.538751][ T8118] REISERFS (device loop5): Using r5 hash to sort names [ 249.547315][ T8119] overlayfs: failed to resolve './file0': -2 [pid 8114] <... futex resumed>) = 0 [pid 8116] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8114] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8116] <... clone resumed>, parent_tid=[8127], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8127 [pid 8116] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8116] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8126 attached [pid 8126] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8126] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8126] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8127 attached [pid 8127] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8127] mkdir(".", 0777) = -1 EEXIST (File exists) [ 249.559210][ T8121] REISERFS (device loop4): checking transaction log (loop4) [ 249.574887][ T8118] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 249.583786][ T8121] REISERFS (device loop4): Using r5 hash to sort names [ 249.590897][ T8117] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8127] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8119] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8119] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8126] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8126] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8114] <... futex resumed>) = 0 [pid 8126] <... futex resumed>) = 1 [pid 8126] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8118] <... mount resumed>) = 0 [pid 8118] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 249.595161][ T8121] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 249.601978][ T8126] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 249.618373][ T8127] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 249.630455][ T8118] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8118] chdir("./bus" [pid 8119] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8118] <... chdir resumed>) = 0 [pid 8118] ioctl(4, LOOP_CLR_FD) = 0 [pid 8118] close(4) = 0 [pid 8118] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8115] <... futex resumed>) = 0 [pid 8115] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8115] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8118] <... futex resumed>) = 1 [pid 8118] mkdir("./file1", 000) = 0 [pid 8118] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8115] <... futex resumed>) = 0 [pid 8118] <... futex resumed>) = 1 [pid 8115] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8118] mkdir("./bus", 000 [pid 8115] <... futex resumed>) = 0 [pid 8118] <... mkdir resumed>) = 0 [pid 8115] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8118] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8115] <... futex resumed>) = 0 [pid 8118] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8115] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8127] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8115] <... futex resumed>) = 0 [pid 8127] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8115] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8127] <... futex resumed>) = 1 [pid 8116] <... futex resumed>) = 0 [pid 8127] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8116] exit_group(0) = ? [pid 8127] <... futex resumed>) = ? [pid 8119] <... futex resumed>) = ? [pid 8127] +++ exited with 0 +++ [pid 8119] +++ exited with 0 +++ [pid 8116] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8116, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5005] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8121] <... mount resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8121] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5005] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8121] <... openat resumed>) = 3 [pid 8117] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5005] <... openat resumed>) = 3 [pid 8121] chdir("./bus" [pid 8117] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] fstat(3, [pid 8117] <... futex resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8121] <... chdir resumed>) = 0 [pid 8117] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8121] ioctl(4, LOOP_CLR_FD [pid 5005] getdents64(3, [pid 8121] <... ioctl resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8121] close(4 [pid 5005] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8114] exit_group(0 [pid 8126] <... futex resumed>) = ? [pid 8114] <... exit_group resumed>) = ? [pid 8126] +++ exited with 0 +++ [ 249.643906][ T8121] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 249.663502][ T8117] overlayfs: failed to resolve './file0': -2 [ 249.686612][ T8118] overlayfs: upper fs needs to support d_type. [ 249.698076][ T8118] overlayfs: upper fs does not support tmpfile. [pid 8121] <... close resumed>) = 0 [pid 8117] <... futex resumed>) = ? [pid 8121] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8117] +++ exited with 0 +++ [pid 8114] +++ exited with 0 +++ [pid 8121] <... futex resumed>) = 1 [pid 8120] <... futex resumed>) = 0 [pid 8121] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8120] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8114, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 8121] <... futex resumed>) = 0 [pid 8120] <... futex resumed>) = 1 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 8121] mkdir("./file1", 000) = 0 [pid 8120] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... restart_syscall resumed>) = 0 [pid 8121] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8120] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5004] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8120] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8121] mkdir("./bus", 000 [pid 5004] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8121] <... mkdir resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 8121] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] fstat(3, [pid 8121] <... futex resumed>) = 1 [pid 8120] <... futex resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8121] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8120] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] getdents64(3, [pid 8121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8120] <... futex resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8121] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8120] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8115] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8115] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8115] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8115] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8128], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8128 [pid 8115] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8115] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8128 attached [pid 8128] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8128] mkdir(".", 0777) = -1 EEXIST (File exists) [ 249.716546][ T8118] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 249.743214][ T8121] overlayfs: upper fs needs to support d_type. [ 249.749528][ T8121] overlayfs: upper fs does not support tmpfile. [ 249.752618][ T8118] overlayfs: failed to resolve './file0': -2 [pid 8128] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8120] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8120] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8120] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8120] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8129], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8129 [pid 8120] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8120] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8129 attached [pid 8129] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8129] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8129] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8118] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8118] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 249.760760][ T8121] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 249.775586][ T8128] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 249.799158][ T8121] overlayfs: failed to resolve './file0': -2 [pid 8118] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8128] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8128] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8115] <... futex resumed>) = 0 [pid 8115] exit_group(0 [pid 8118] <... futex resumed>) = ? [pid 8115] <... exit_group resumed>) = ? [pid 8118] +++ exited with 0 +++ [pid 8128] <... futex resumed>) = ? [pid 8128] +++ exited with 0 +++ [pid 8115] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8115, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8129] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8129] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8120] <... futex resumed>) = 0 [pid 8129] <... futex resumed>) = 1 [pid 8129] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./182/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./182/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8121] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8121] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = 0 [pid 8121] <... futex resumed>) = 0 [pid 5005] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8121] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./182/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 249.829336][ T8129] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8120] exit_group(0 [pid 8129] <... futex resumed>) = ? [pid 8121] <... futex resumed>) = ? [pid 8120] <... exit_group resumed>) = ? [pid 5004] <... openat resumed>) = 4 [pid 8121] +++ exited with 0 +++ [pid 8129] +++ exited with 0 +++ [pid 5005] lstat("./184/bus", [pid 8120] +++ exited with 0 +++ [pid 5004] fstat(4, [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8120, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 5004] getdents64(4, [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(4, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] openat(AT_FDCWD, "./184/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] close(4 [pid 5005] <... openat resumed>) = 4 [pid 5004] <... close resumed>) = 0 [pid 5005] fstat(4, [pid 5004] rmdir("./182/bus" [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5005] getdents64(4, [pid 5004] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] getdents64(4, [pid 5004] lstat("./182/binderfs", [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... close resumed>) = 0 [pid 5004] unlink("./182/binderfs" [pid 5005] rmdir("./184/bus" [pid 5004] <... unlink resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5004] getdents64(3, [pid 5005] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] close(3 [pid 5005] lstat("./184/binderfs", [pid 5004] <... close resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] rmdir("./182" [pid 5005] unlink("./184/binderfs" [pid 5004] <... rmdir resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5004] mkdir("./183", 0777 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... mkdir resumed>) = 0 [pid 5005] close(3 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5005] <... close resumed>) = 0 [pid 5005] rmdir("./184" [pid 5004] <... openat resumed>) = 3 [pid 5005] <... rmdir resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5005] mkdir("./185", 0777 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] <... mkdir resumed>) = 0 [pid 5004] close(3 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] <... close resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8130 [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8131 ./strace-static-x86_64: Process 8131 attached [pid 8131] set_robust_list(0x5555568c85e0, 24./strace-static-x86_64: Process 8130 attached ) = 0 [pid 8130] set_robust_list(0x5555568c85e0, 24 [pid 8131] chdir("./185" [pid 8130] <... set_robust_list resumed>) = 0 [pid 8131] <... chdir resumed>) = 0 [pid 8130] chdir("./183" [pid 8131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... umount2 resumed>) = 0 [pid 8131] <... prctl resumed>) = 0 [pid 8130] <... chdir resumed>) = 0 [pid 5008] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8131] setpgid(0, 0 [pid 8130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8131] <... setpgid resumed>) = 0 [pid 8130] <... prctl resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8130] setpgid(0, 0 [pid 5008] lstat("./185/bus", [pid 8131] <... openat resumed>) = 3 [pid 8130] <... setpgid resumed>) = 0 [pid 8131] write(3, "1000", 4 [pid 8130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8131] <... write resumed>) = 4 [pid 8131] close(3 [pid 8130] <... openat resumed>) = 3 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8131] <... close resumed>) = 0 [pid 8130] write(3, "1000", 4 [pid 8131] symlink("/dev/binderfs", "./binderfs" [pid 5008] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8130] <... write resumed>) = 4 [pid 8131] <... symlink resumed>) = 0 [pid 8130] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8131] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8130] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./185/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8131] <... futex resumed>) = 0 [pid 8130] symlink("/dev/binderfs", "./binderfs" [pid 8131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8130] <... symlink resumed>) = 0 [pid 8131] <... mmap resumed>) = 0x7fe58845a000 [pid 8131] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8130] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8131] <... mprotect resumed>) = 0 [pid 8130] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 8131] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] fstat(4, [pid 8130] <... mmap resumed>) = 0x7fe58845a000 [pid 8131] <... clone resumed>, parent_tid=[8132], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8132 [pid 8130] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8131] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8131] <... futex resumed>) = 0 [pid 8130] <... mprotect resumed>) = 0 [pid 5008] getdents64(4, [pid 8131] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8130] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 8130] <... clone resumed>, parent_tid=[8133], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8133 [pid 8130] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8130] <... futex resumed>) = 0 [pid 5008] close(4 [pid 8130] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./185/bus") = 0 [pid 5008] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./185/binderfs"./strace-static-x86_64: Process 8132 attached ) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./185" [pid 8132] set_robust_list(0x7fe58847a9e0, 24 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] mkdir("./186", 0777 [pid 8132] <... set_robust_list resumed>) = 0 [pid 8132] memfd_create("syzkaller", 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 8133 attached [pid 8132] <... memfd_create resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 8133] set_robust_list(0x7fe58847a9e0, 24 [pid 8132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8133] <... set_robust_list resumed>) = 0 [pid 8132] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] close(3 [pid 8133] memfd_create("syzkaller", 0 [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8133] <... memfd_create resumed>) = 3 [pid 8133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8134 [pid 8133] <... mmap resumed>) = 0x7fe58005a000 ./strace-static-x86_64: Process 8134 attached [pid 5007] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8134] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8134] chdir("./186" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8134] <... chdir resumed>) = 0 [pid 8134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8134] setpgid(0, 0 [pid 5007] lstat("./183/bus", [pid 8134] <... setpgid resumed>) = 0 [pid 8134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8134] <... openat resumed>) = 3 [pid 5007] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8134] write(3, "1000", 4) = 4 [pid 8134] close(3) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8134] symlink("/dev/binderfs", "./binderfs" [pid 5007] openat(AT_FDCWD, "./183/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8134] <... symlink resumed>) = 0 [pid 5007] <... openat resumed>) = 4 [pid 8134] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, [pid 8134] <... futex resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] getdents64(4, [pid 8134] <... mmap resumed>) = 0x7fe58845a000 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8134] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] close(4 [pid 8134] <... mprotect resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 8134] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] rmdir("./183/bus") = 0 [pid 8134] <... clone resumed>, parent_tid=[8135], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8135 [pid 5007] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8134] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8134] <... futex resumed>) = 0 [pid 5007] lstat("./183/binderfs", ./strace-static-x86_64: Process 8135 attached [pid 8134] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8135] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] unlink("./183/binderfs" [pid 8135] <... set_robust_list resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 8135] memfd_create("syzkaller", 0 [pid 5007] getdents64(3, [pid 8135] <... memfd_create resumed>) = 3 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] close(3 [pid 8135] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... close resumed>) = 0 [pid 5007] rmdir("./183") = 0 [pid 5007] mkdir("./184", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8136 ./strace-static-x86_64: Process 8136 attached [pid 8136] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8136] chdir("./184") = 0 [pid 8136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8136] setpgid(0, 0) = 0 [pid 8133] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8136] write(3, "1000", 4) = 4 [pid 8136] close(3) = 0 [pid 8136] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8136] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8136] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8136] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8137], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8137 [pid 8136] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8136] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8132] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 8137 attached [pid 8137] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8137] memfd_create("syzkaller", 0) = 3 [pid 8137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8135] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8132] <... write resumed>) = 4194304 [pid 8132] munmap(0x7fe58005a000, 4194304) = 0 [pid 8132] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8132] ioctl(4, LOOP_SET_FD, 3 [pid 8137] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8132] <... ioctl resumed>) = 0 [pid 8132] close(3 [pid 8135] <... write resumed>) = 4194304 [pid 8132] <... close resumed>) = 0 [pid 8135] munmap(0x7fe58005a000, 4194304 [pid 8132] mkdir("./bus", 0777) = 0 [pid 8132] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8135] <... munmap resumed>) = 0 [pid 8135] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8135] ioctl(4, LOOP_SET_FD, 3 [pid 8133] <... write resumed>) = 4194304 [pid 8133] munmap(0x7fe58005a000, 4194304) = 0 [pid 8133] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8133] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8133] close(3) = 0 [pid 8133] mkdir("./bus", 0777) = 0 [ 250.178710][ T8132] loop2: detected capacity change from 0 to 8192 [ 250.205538][ T8132] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 250.218300][ T8133] loop1: detected capacity change from 0 to 8192 [pid 8133] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8135] <... ioctl resumed>) = 0 [pid 8135] close(3) = 0 [pid 8135] mkdir("./bus", 0777) = 0 [ 250.218863][ T8135] loop5: detected capacity change from 0 to 8192 [ 250.230940][ T8133] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 250.244434][ T8132] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 250.254173][ T8132] REISERFS (device loop2): using ordered data mode [ 250.260824][ T8132] reiserfs: using flush barriers [ 250.264609][ T8133] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 250.267157][ T8132] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 250.291416][ T8133] REISERFS (device loop1): using ordered data mode [ 250.292094][ T8135] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 250.297917][ T8133] reiserfs: using flush barriers [ 250.299273][ T8132] REISERFS (device loop2): checking transaction log (loop2) [pid 8135] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8137] <... write resumed>) = 4194304 [pid 8137] munmap(0x7fe58005a000, 4194304) = 0 [pid 8137] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8137] ioctl(4, LOOP_SET_FD, 3) = 0 [ 250.311537][ T8135] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 250.315898][ T8133] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 250.323485][ T8135] REISERFS (device loop5): using ordered data mode [ 250.335358][ T8137] loop4: detected capacity change from 0 to 8192 [ 250.349066][ T8135] reiserfs: using flush barriers [ 250.355762][ T8133] REISERFS (device loop1): checking transaction log (loop1) [pid 8137] close(3) = 0 [ 250.362770][ T8135] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 250.367602][ T8132] REISERFS (device loop2): Using r5 hash to sort names [ 250.374687][ T8135] REISERFS (device loop5): checking transaction log (loop5) [ 250.404571][ T8132] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 250.408238][ T8133] REISERFS (device loop1): Using r5 hash to sort names [pid 8137] mkdir("./bus", 0777) = 0 [pid 8137] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8132] <... mount resumed>) = 0 [ 250.417773][ T8132] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 250.434675][ T8135] REISERFS (device loop5): Using r5 hash to sort names [ 250.442883][ T8135] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 250.443433][ T8133] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 250.456028][ T8135] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8132] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8135] <... mount resumed>) = 0 [pid 8132] <... openat resumed>) = 3 [pid 8135] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8133] <... mount resumed>) = 0 [pid 8132] chdir("./bus" [pid 8135] <... openat resumed>) = 3 [pid 8132] <... chdir resumed>) = 0 [pid 8135] chdir("./bus" [pid 8132] ioctl(4, LOOP_CLR_FD [pid 8135] <... chdir resumed>) = 0 [pid 8132] <... ioctl resumed>) = 0 [pid 8135] ioctl(4, LOOP_CLR_FD [pid 8132] close(4 [pid 8135] <... ioctl resumed>) = 0 [pid 8132] <... close resumed>) = 0 [pid 8135] close(4 [pid 8132] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8135] <... close resumed>) = 0 [pid 8132] <... futex resumed>) = 1 [pid 8135] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8132] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8135] <... futex resumed>) = 1 [pid 8135] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8133] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8133] chdir("./bus") = 0 [pid 8133] ioctl(4, LOOP_CLR_FD) = 0 [pid 8133] close(4) = 0 [pid 8133] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8133] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8131] <... futex resumed>) = 0 [pid 8131] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8132] <... futex resumed>) = 0 [pid 8131] <... futex resumed>) = 1 [pid 8134] <... futex resumed>) = 0 [pid 8132] mkdir("./file1", 000 [pid 8131] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8130] <... futex resumed>) = 0 [pid 8134] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8132] <... mkdir resumed>) = 0 [pid 8130] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8135] <... futex resumed>) = 0 [pid 8134] <... futex resumed>) = 1 [pid 8132] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8130] <... futex resumed>) = 1 [pid 8135] mkdir("./file1", 000 [pid 8134] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8133] <... futex resumed>) = 0 [pid 8132] <... futex resumed>) = 1 [pid 8131] <... futex resumed>) = 0 [pid 8130] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8135] <... mkdir resumed>) = 0 [pid 8133] mkdir("./file1", 000 [pid 8132] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8131] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8135] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8133] <... mkdir resumed>) = 0 [pid 8132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8131] <... futex resumed>) = 0 [pid 8135] <... futex resumed>) = 1 [pid 8134] <... futex resumed>) = 0 [pid 8133] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8132] mkdir("./bus", 000 [pid 8131] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8135] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8133] <... futex resumed>) = 1 [pid 8132] <... mkdir resumed>) = 0 [pid 8133] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8132] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8131] <... futex resumed>) = 0 [ 250.469693][ T8137] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 250.478074][ T8133] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 250.491806][ T8137] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8134] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8132] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8131] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8130] <... futex resumed>) = 0 [pid 8135] <... futex resumed>) = 0 [pid 8134] <... futex resumed>) = 1 [pid 8132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8131] <... futex resumed>) = 0 [pid 8130] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8135] mkdir("./bus", 000 [pid 8134] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8133] <... futex resumed>) = 0 [pid 8132] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8131] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8130] <... futex resumed>) = 1 [pid 8135] <... mkdir resumed>) = 0 [pid 8133] mkdir("./bus", 000 [pid 8130] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8135] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8133] <... mkdir resumed>) = 0 [pid 8135] <... futex resumed>) = 1 [pid 8134] <... futex resumed>) = 0 [pid 8133] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8135] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8134] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8134] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8133] <... futex resumed>) = 1 [pid 8130] <... futex resumed>) = 0 [pid 8135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8133] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8130] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8135] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8130] <... futex resumed>) = 0 [ 250.524646][ T8137] REISERFS (device loop4): using ordered data mode [ 250.537698][ T8137] reiserfs: using flush barriers [ 250.538011][ T8132] overlayfs: upper fs needs to support d_type. [ 250.548979][ T8132] overlayfs: upper fs does not support tmpfile. [ 250.556313][ T8132] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 250.565682][ T8132] overlayfs: failed to resolve './file0': -2 [pid 8130] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8133] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8132] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8132] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8131] <... futex resumed>) = 0 [pid 8132] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8131] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8131] <... futex resumed>) = 0 [pid 8132] mkdir(".", 0777 [pid 8131] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8132] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8132] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8134] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 250.573983][ T8137] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 250.592713][ T8137] REISERFS (device loop4): checking transaction log (loop4) [ 250.594555][ T8135] overlayfs: upper fs needs to support d_type. [ 250.607773][ T8133] overlayfs: upper fs needs to support d_type. [ 250.608426][ T8135] overlayfs: upper fs does not support tmpfile. [ 250.614483][ T8133] overlayfs: upper fs does not support tmpfile. [pid 8134] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8130] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8134] <... futex resumed>) = 0 [pid 8130] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8130] <... futex resumed>) = 0 [pid 8134] <... mmap resumed>) = 0x7fe580439000 [pid 8130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8134] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8130] <... mmap resumed>) = 0x7fe580439000 [pid 8134] <... mprotect resumed>) = 0 [pid 8130] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8134] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8130] <... mprotect resumed>) = 0 [pid 8130] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8142 attached [pid 8142] set_robust_list(0x7fe5804599e0, 24 [pid 8134] <... clone resumed>, parent_tid=[8142], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8142 [pid 8134] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8130] <... clone resumed>, parent_tid=[8143], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8143 [pid 8134] <... futex resumed>) = 0 [pid 8130] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8142] <... set_robust_list resumed>) = 0 [ 250.623127][ T8137] REISERFS (device loop4): Using r5 hash to sort names [ 250.628142][ T8133] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 250.642922][ T8133] overlayfs: failed to resolve './file0': -2 [ 250.662607][ T8132] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8134] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8130] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8143 attached [pid 8142] mkdir(".", 0777 [pid 8133] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8130] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8143] set_robust_list(0x7fe5804599e0, 24 [pid 8142] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8133] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8143] <... set_robust_list resumed>) = 0 [pid 8142] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8133] <... futex resumed>) = 0 [pid 8143] mkdir(".", 0777 [pid 8133] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8143] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8143] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8132] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 250.669809][ T8135] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 250.695994][ T8143] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 250.700233][ T8137] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8132] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8132] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8143] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8131] <... futex resumed>) = 0 [pid 8137] <... mount resumed>) = 0 [pid 8137] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8137] chdir("./bus") = 0 [pid 8137] ioctl(4, LOOP_CLR_FD) = 0 [pid 8137] close(4 [pid 8143] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8131] exit_group(0 [pid 8143] <... futex resumed>) = 1 [pid 8143] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8131] <... exit_group resumed>) = ? [pid 8142] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8142] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8132] <... futex resumed>) = ? [pid 8130] <... futex resumed>) = 0 [pid 8137] <... close resumed>) = 0 [pid 8142] <... futex resumed>) = 1 [pid 8134] <... futex resumed>) = 0 [pid 8132] +++ exited with 0 +++ [pid 8137] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8131] +++ exited with 0 +++ [pid 8130] exit_group(0 [pid 8143] <... futex resumed>) = ? [pid 8142] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8137] <... futex resumed>) = 1 [pid 8136] <... futex resumed>) = 0 [pid 8133] <... futex resumed>) = ? [pid 8130] <... exit_group resumed>) = ? [pid 8143] +++ exited with 0 +++ [pid 8137] mkdir("./file1", 000 [pid 8136] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8133] +++ exited with 0 +++ [pid 8130] +++ exited with 0 +++ [pid 8136] <... futex resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8131, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8130, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 8137] <... mkdir resumed>) = 0 [pid 8136] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8137] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5005] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8137] <... futex resumed>) = 0 [pid 8136] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8137] mkdir("./bus", 000 [pid 8136] <... futex resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8137] <... mkdir resumed>) = 0 [pid 8136] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8137] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5005] <... openat resumed>) = 3 [pid 8137] <... futex resumed>) = 0 [pid 8136] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8137] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8136] <... futex resumed>) = 0 [ 250.711036][ T8142] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 250.734495][ T8137] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 250.739918][ T8135] overlayfs: failed to resolve './file0': -2 [pid 5005] fstat(3, [pid 8136] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(3, [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... openat resumed>) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8135] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8135] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8134] exit_group(0 [pid 8142] <... futex resumed>) = ? [pid 8135] <... futex resumed>) = ? [pid 8134] <... exit_group resumed>) = ? [pid 8142] +++ exited with 0 +++ [pid 8135] +++ exited with 0 +++ [pid 8134] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8134, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=31 /* 0.31 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 250.776177][ T8137] overlayfs: upper fs needs to support d_type. [ 250.790190][ T8137] overlayfs: upper fs does not support tmpfile. [pid 5008] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8136] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8136] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8136] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8136] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8144], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8144 [pid 8136] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8136] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8144 attached [pid 8144] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8144] mkdir(".", 0777) = -1 EEXIST (File exists) [ 250.819907][ T8137] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8144] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./186/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./186/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, [pid 5005] <... umount2 resumed>) = 0 [pid 8137] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8137] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8137] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./186/bus") = 0 [pid 5008] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = 0 [pid 8144] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./186/binderfs", [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] lstat("./185/bus", [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] lstat("./183/bus", [pid 5005] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] openat(AT_FDCWD, "./185/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] umount2("./183/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 4 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(4, [pid 5004] openat(AT_FDCWD, "./183/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... openat resumed>) = 4 [pid 5005] getdents64(4, [pid 5004] fstat(4, [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, [pid 5008] unlink("./186/binderfs" [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] getdents64(4, [pid 5005] close(4 [pid 5008] <... unlink resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 8144] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8144] <... futex resumed>) = 1 [pid 8136] <... futex resumed>) = 0 [pid 5008] getdents64(3, [pid 5005] rmdir("./185/bus" [pid 8136] exit_group(0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] getdents64(4, [pid 8137] <... futex resumed>) = ? [pid 8136] <... exit_group resumed>) = ? [pid 5008] close(3 [pid 8137] +++ exited with 0 +++ [pid 5005] <... rmdir resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] <... close resumed>) = 0 [pid 5005] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] close(4 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... close resumed>) = 0 [pid 5005] lstat("./185/binderfs", [pid 5004] rmdir("./183/bus" [pid 5008] rmdir("./186" [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5005] unlink("./185/binderfs" [pid 5004] <... rmdir resumed>) = 0 [pid 5008] mkdir("./187", 0777) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5004] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5005] getdents64(3, [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] lstat("./183/binderfs", [pid 5005] close(3 [pid 5008] <... openat resumed>) = 3 [pid 5005] <... close resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 250.881414][ T8137] overlayfs: failed to resolve './file0': -2 [ 250.881901][ T8144] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] rmdir("./185" [pid 5004] unlink("./183/binderfs" [pid 8144] +++ exited with 0 +++ [pid 8136] +++ exited with 0 +++ [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8136, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5008] close(3 [pid 5005] <... rmdir resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8145 [pid 5007] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(3, ./strace-static-x86_64: Process 8145 attached [pid 5005] mkdir("./186", 0777 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8145] set_robust_list(0x5555568c85e0, 24 [pid 5005] <... mkdir resumed>) = 0 [pid 5004] close(3 [pid 8145] <... set_robust_list resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] <... close resumed>) = 0 [pid 8145] chdir("./187" [pid 5005] <... openat resumed>) = 3 [pid 5004] rmdir("./183" [pid 8145] <... chdir resumed>) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5004] <... rmdir resumed>) = 0 [pid 8145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] mkdir("./184", 0777 [pid 8145] <... prctl resumed>) = 0 [pid 5005] close(3 [pid 5004] <... mkdir resumed>) = 0 [pid 8145] setpgid(0, 0 [pid 5005] <... close resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8145] <... setpgid resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... openat resumed>) = 3 [pid 8145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] ioctl(3, LOOP_CLR_FD [pid 8145] <... openat resumed>) = 3 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8146 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8145] write(3, "1000", 4 [pid 5004] close(3 [pid 8145] <... write resumed>) = 4 [pid 5004] <... close resumed>) = 0 [pid 8145] close(3 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8145] <... close resumed>) = 0 [pid 8145] symlink("/dev/binderfs", "./binderfs" [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8147 [pid 8145] <... symlink resumed>) = 0 [pid 8145] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8145] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 8146 attached ) = 0 [pid 8146] set_robust_list(0x5555568c85e0, 24 [pid 8145] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8146] <... set_robust_list resumed>) = 0 [pid 8146] chdir("./186" [pid 8145] <... clone resumed>, parent_tid=[8148], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8148 [pid 8146] <... chdir resumed>) = 0 [pid 8145] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8145] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8147 attached [pid 8146] <... prctl resumed>) = 0 [pid 8145] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8147] set_robust_list(0x5555568c85e0, 24 [pid 8146] setpgid(0, 0 [pid 8147] <... set_robust_list resumed>) = 0 [pid 8146] <... setpgid resumed>) = 0 [pid 8146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8147] chdir("./184"./strace-static-x86_64: Process 8148 attached ) = 0 [pid 8146] <... openat resumed>) = 3 [pid 8148] set_robust_list(0x7fe58847a9e0, 24 [pid 8147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8146] write(3, "1000", 4 [pid 8148] <... set_robust_list resumed>) = 0 [pid 8147] <... prctl resumed>) = 0 [pid 8146] <... write resumed>) = 4 [pid 8148] memfd_create("syzkaller", 0 [pid 8147] setpgid(0, 0 [pid 8146] close(3 [pid 8148] <... memfd_create resumed>) = 3 [pid 8147] <... setpgid resumed>) = 0 [pid 8146] <... close resumed>) = 0 [pid 8148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8146] symlink("/dev/binderfs", "./binderfs" [pid 8148] <... mmap resumed>) = 0x7fe58005a000 [pid 8147] <... openat resumed>) = 3 [pid 8146] <... symlink resumed>) = 0 [pid 8147] write(3, "1000", 4 [pid 8146] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8147] <... write resumed>) = 4 [pid 8146] <... futex resumed>) = 0 [pid 8147] close(3 [pid 8146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8147] <... close resumed>) = 0 [pid 8146] <... mmap resumed>) = 0x7fe58845a000 [pid 8147] symlink("/dev/binderfs", "./binderfs" [pid 8146] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8147] <... symlink resumed>) = 0 [pid 8146] <... mprotect resumed>) = 0 [pid 8147] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8146] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... umount2 resumed>) = 0 [pid 8147] <... futex resumed>) = 0 [pid 8146] <... clone resumed>, parent_tid=[8149], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8149 [pid 8146] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8146] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8149 attached [pid 8149] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8149] memfd_create("syzkaller", 0 [pid 8147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8149] <... memfd_create resumed>) = 3 [pid 8149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8147] <... mmap resumed>) = 0x7fe58845a000 [pid 8147] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8147] <... mprotect resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8149] <... mmap resumed>) = 0x7fe58005a000 [pid 8147] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] lstat("./184/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8147] <... clone resumed>, parent_tid=[8150], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8150 [pid 5007] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8147] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8147] <... futex resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./184/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8147] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8150 attached [pid 5007] <... openat resumed>) = 4 [pid 8150] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] fstat(4, [pid 8150] <... set_robust_list resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, [pid 8150] memfd_create("syzkaller", 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8150] <... memfd_create resumed>) = 3 [pid 5007] getdents64(4, [pid 8150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8150] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] close(4) = 0 [pid 5007] rmdir("./184/bus") = 0 [pid 5007] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./184/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./184") = 0 [pid 5007] mkdir("./185", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 8148] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8151 ./strace-static-x86_64: Process 8151 attached [pid 8151] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8151] chdir("./185") = 0 [pid 8151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8151] setpgid(0, 0) = 0 [pid 8151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8151] write(3, "1000", 4) = 4 [pid 8151] close(3) = 0 [pid 8151] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8150] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8149] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8151] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8151] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8151] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8152], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8152 [pid 8151] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8151] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8152 attached [pid 8152] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8152] memfd_create("syzkaller", 0) = 3 [pid 8152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8148] <... write resumed>) = 4194304 [pid 8148] munmap(0x7fe58005a000, 4194304) = 0 [pid 8148] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8148] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8148] close(3) = 0 [pid 8148] mkdir("./bus", 0777) = 0 [pid 8148] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8150] <... write resumed>) = 4194304 [ 251.165729][ T8148] loop5: detected capacity change from 0 to 8192 [ 251.185372][ T8148] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 251.202401][ T8148] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 8150] munmap(0x7fe58005a000, 4194304) = 0 [pid 8150] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8150] ioctl(4, LOOP_SET_FD, 3 [pid 8152] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8149] <... write resumed>) = 4194304 [pid 8149] munmap(0x7fe58005a000, 4194304) = 0 [pid 8149] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8149] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8150] <... ioctl resumed>) = 0 [pid 8149] close(3) = 0 [pid 8149] mkdir("./bus", 0777) = 0 [pid 8149] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8150] close(3) = 0 [pid 8150] mkdir("./bus", 0777) = 0 [ 251.212258][ T8148] REISERFS (device loop5): using ordered data mode [ 251.220799][ T8148] reiserfs: using flush barriers [ 251.228013][ T8148] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.244545][ T8150] loop1: detected capacity change from 0 to 8192 [ 251.250935][ T8149] loop2: detected capacity change from 0 to 8192 [pid 8150] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8152] <... write resumed>) = 4194304 [pid 8152] munmap(0x7fe58005a000, 4194304) = 0 [pid 8152] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 251.273298][ T8148] REISERFS (device loop5): checking transaction log (loop5) [ 251.282541][ T8149] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 251.289940][ T8152] loop4: detected capacity change from 0 to 8192 [ 251.296721][ T8150] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 251.302852][ T8148] REISERFS (device loop5): Using r5 hash to sort names [pid 8152] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8152] close(3) = 0 [pid 8152] mkdir("./bus", 0777) = 0 [pid 8152] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8148] <... mount resumed>) = 0 [ 251.315033][ T8149] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 251.324290][ T8148] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 251.331706][ T8150] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 251.343689][ T8148] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 251.353776][ T8149] REISERFS (device loop2): using ordered data mode [pid 8148] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 251.369127][ T8150] REISERFS (device loop1): using ordered data mode [ 251.370251][ T8149] reiserfs: using flush barriers [ 251.375747][ T8152] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 251.384754][ T8149] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.394735][ T8150] reiserfs: using flush barriers [ 251.410611][ T8149] REISERFS (device loop2): checking transaction log (loop2) [pid 8148] chdir("./bus") = 0 [pid 8148] ioctl(4, LOOP_CLR_FD) = 0 [pid 8148] close(4) = 0 [pid 8148] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8145] <... futex resumed>) = 0 [pid 8148] mkdir("./file1", 000 [pid 8145] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8148] <... mkdir resumed>) = 0 [pid 8145] <... futex resumed>) = 0 [pid 8148] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8145] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8148] <... futex resumed>) = 0 [pid 8145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8148] mkdir("./bus", 000 [pid 8145] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8148] <... mkdir resumed>) = 0 [pid 8145] <... futex resumed>) = 0 [pid 8148] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8145] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8148] <... futex resumed>) = 0 [pid 8145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8148] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8145] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 251.415093][ T8152] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 251.423213][ T8150] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.438447][ T8152] REISERFS (device loop4): using ordered data mode [ 251.454747][ T8148] overlayfs: upper fs needs to support d_type. [ 251.456793][ T8152] reiserfs: using flush barriers [ 251.460932][ T8148] overlayfs: upper fs does not support tmpfile. [pid 8145] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8145] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8145] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8145] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8157], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8157 [pid 8145] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8145] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8157 attached [ 251.467481][ T8150] REISERFS (device loop1): checking transaction log (loop1) [ 251.480227][ T8152] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.481470][ T8149] REISERFS (device loop2): Using r5 hash to sort names [ 251.496755][ T8152] REISERFS (device loop4): checking transaction log (loop4) [ 251.512424][ T8148] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8157] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8157] mkdir(".", 0777) = -1 EEXIST (File exists) [ 251.521199][ T8148] overlayfs: failed to resolve './file0': -2 [ 251.528551][ T8152] REISERFS (device loop4): Using r5 hash to sort names [ 251.529178][ T8150] REISERFS (device loop1): Using r5 hash to sort names [ 251.535914][ T8152] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 251.555592][ T8150] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8157] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 8152] <... mount resumed>) = 0 [pid 8150] <... mount resumed>) = 0 [pid 8150] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8150] chdir("./bus") = 0 [pid 8150] ioctl(4, LOOP_CLR_FD) = 0 [pid 8150] close(4) = 0 [pid 8150] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8147] <... futex resumed>) = 0 [pid 8147] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8147] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8150] <... futex resumed>) = 1 [pid 8150] mkdir("./file1", 000) = 0 [pid 8150] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8147] <... futex resumed>) = 0 [pid 8147] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8147] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8150] <... futex resumed>) = 1 [pid 8150] mkdir("./bus", 000) = 0 [pid 8150] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8147] <... futex resumed>) = 0 [pid 8147] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8147] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8150] <... futex resumed>) = 1 [ 251.559980][ T8157] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 251.569930][ T8149] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 251.583332][ T8152] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 251.595894][ T8150] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 251.605630][ T8149] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8150] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8157] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8152] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8148] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8157] <... futex resumed>) = 1 [pid 8152] <... openat resumed>) = 3 [pid 8149] <... mount resumed>) = 0 [pid 8148] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8145] <... futex resumed>) = 0 [pid 8157] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8152] chdir("./bus" [pid 8148] <... futex resumed>) = 0 [pid 8145] exit_group(0 [pid 8157] <... futex resumed>) = ? [pid 8152] <... chdir resumed>) = 0 [pid 8145] <... exit_group resumed>) = ? [pid 8157] +++ exited with 0 +++ [pid 8152] ioctl(4, LOOP_CLR_FD [pid 8148] +++ exited with 0 +++ [pid 8145] +++ exited with 0 +++ [pid 8152] <... ioctl resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8145, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=18 /* 0.18 s */} --- [pid 8152] close(4) = 0 [pid 8152] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8152] <... futex resumed>) = 1 [pid 8151] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8152] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8151] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8151] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 8152] mkdir("./file1", 000 [pid 8151] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] fstat(3, [pid 8152] <... mkdir resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8152] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(3, [pid 8152] <... futex resumed>) = 1 [pid 8151] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8152] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8151] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8151] <... futex resumed>) = 0 [pid 8152] mkdir("./bus", 000 [pid 8151] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8152] <... mkdir resumed>) = 0 [pid 8152] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8151] <... futex resumed>) = 0 [pid 8152] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8151] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8151] <... futex resumed>) = 0 [pid 8152] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8151] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8149] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8147] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8149] chdir("./bus" [pid 8147] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8149] <... chdir resumed>) = 0 [pid 8147] <... futex resumed>) = 0 [pid 8149] ioctl(4, LOOP_CLR_FD [pid 8147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8149] <... ioctl resumed>) = 0 [pid 8147] <... mmap resumed>) = 0x7fe580439000 [pid 8149] close(4 [ 251.620236][ T8150] overlayfs: upper fs needs to support d_type. [ 251.630289][ T8150] overlayfs: upper fs does not support tmpfile. [ 251.655952][ T8150] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 251.667377][ T8152] overlayfs: upper fs needs to support d_type. [pid 8147] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8149] <... close resumed>) = 0 [pid 8149] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8146] <... futex resumed>) = 0 [pid 8149] mkdir("./file1", 000 [pid 8146] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8149] <... mkdir resumed>) = 0 [pid 8147] <... mprotect resumed>) = 0 [pid 8146] <... futex resumed>) = 0 [pid 8149] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8147] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8146] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8149] <... futex resumed>) = 0 [pid 8146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8149] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8146] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8146] <... futex resumed>) = 0 [pid 8149] mkdir("./bus", 000 [pid 8146] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8149] <... mkdir resumed>) = 0 [pid 8149] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8147] <... clone resumed>, parent_tid=[8158], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8158 [pid 8146] <... futex resumed>) = 0 [pid 8149] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8147] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8146] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8147] <... futex resumed>) = 0 [pid 8146] <... futex resumed>) = 0 [ 251.687101][ T8150] overlayfs: failed to resolve './file0': -2 [ 251.690173][ T8152] overlayfs: upper fs does not support tmpfile. [ 251.714093][ T8149] overlayfs: upper fs needs to support d_type. [ 251.715786][ T8152] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 251.720378][ T8149] overlayfs: upper fs does not support tmpfile. [pid 8149] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8147] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8146] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8158 attached [pid 8151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8150] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8158] set_robust_list(0x7fe5804599e0, 24 [pid 8151] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8151] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8151] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8159], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8159 [pid 8151] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8151] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8159 attached [pid 8159] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8159] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8159] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8158] <... set_robust_list resumed>) = 0 [pid 8150] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8158] mkdir(".", 0777 [pid 8150] <... futex resumed>) = 0 [pid 8158] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8150] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 251.729275][ T8152] overlayfs: failed to resolve './file0': -2 [pid 8158] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8146] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8146] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8146] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8146] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8160], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8160 [pid 8146] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8146] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8160 attached [pid 8158] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8152] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8160] set_robust_list(0x7fe5804599e0, 24 [pid 8158] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8152] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8160] <... set_robust_list resumed>) = 0 [pid 8158] <... futex resumed>) = 1 [pid 8152] <... futex resumed>) = 0 [pid 8147] <... futex resumed>) = 0 [pid 8160] mkdir(".", 0777 [pid 8158] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8152] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 251.769361][ T8158] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 251.771705][ T8159] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 251.807338][ T8149] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8147] exit_group(0 [pid 8160] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8147] <... exit_group resumed>) = ? [pid 8160] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8158] <... futex resumed>) = ? [pid 8150] <... futex resumed>) = ? [pid 8158] +++ exited with 0 +++ [pid 8150] +++ exited with 0 +++ [pid 8147] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8147, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./187/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./187/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./187/bus") = 0 [pid 5008] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./187/binderfs") = 0 [pid 8160] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8159] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(3, [pid 8160] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8159] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8146] <... futex resumed>) = 0 [pid 8160] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8159] <... futex resumed>) = 1 [pid 8151] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8151] exit_group(0 [pid 8152] <... futex resumed>) = ? [pid 8151] <... exit_group resumed>) = ? [pid 5008] close(3 [pid 8159] +++ exited with 0 +++ [pid 8152] +++ exited with 0 +++ [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./187" [pid 8151] +++ exited with 0 +++ [pid 5008] <... rmdir resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8151, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5008] mkdir("./188", 0777 [pid 5007] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5007] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] getdents64(3, [pid 5008] close(3 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] <... close resumed>) = 0 [pid 5007] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8161 attached , child_tidptr=0x5555568c85d0) = 8161 [pid 8161] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8161] chdir("./188") = 0 [pid 8161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8161] setpgid(0, 0) = 0 [pid 8161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8161] write(3, "1000", 4) = 4 [pid 8161] close(3) = 0 [pid 8161] symlink("/dev/binderfs", "./binderfs" [pid 8149] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8161] <... symlink resumed>) = 0 [pid 8149] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8146] exit_group(0 [pid 8161] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8160] <... futex resumed>) = ? [pid 8149] <... futex resumed>) = ? [pid 8146] <... exit_group resumed>) = ? [pid 8161] <... futex resumed>) = 0 [pid 8160] +++ exited with 0 +++ [pid 8149] +++ exited with 0 +++ [pid 8161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8161] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8161] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8162], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8162 [pid 8161] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8161] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8162 attached [pid 8146] +++ exited with 0 +++ [pid 8162] set_robust_list(0x7fe58847a9e0, 24) = 0 [ 251.818974][ T8149] overlayfs: failed to resolve './file0': -2 [ 251.839483][ T8160] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8162] memfd_create("syzkaller", 0) = 3 [pid 8162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8146, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5005] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8162] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./185/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./185/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./185/bus") = 0 [pid 5007] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./185/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./185") = 0 [pid 5007] mkdir("./186", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 5004] <... umount2 resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8163 attached , child_tidptr=0x5555568c85d0) = 8163 [pid 5004] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./184/bus", [pid 8163] set_robust_list(0x5555568c85e0, 24 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8163] <... set_robust_list resumed>) = 0 [pid 5004] umount2("./184/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8163] chdir("./186" [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./184/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8163] <... chdir resumed>) = 0 [pid 8163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] <... openat resumed>) = 4 [pid 8163] <... prctl resumed>) = 0 [pid 5004] fstat(4, [pid 8163] setpgid(0, 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8163] <... setpgid resumed>) = 0 [pid 5004] getdents64(4, [pid 8163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8163] <... openat resumed>) = 3 [pid 5004] getdents64(4, [pid 8163] write(3, "1000", 4 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8163] <... write resumed>) = 4 [pid 5004] close(4 [pid 8163] close(3) = 0 [pid 5004] <... close resumed>) = 0 [pid 8163] symlink("/dev/binderfs", "./binderfs" [pid 5004] rmdir("./184/bus" [pid 8163] <... symlink resumed>) = 0 [pid 8163] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... rmdir resumed>) = 0 [pid 8163] <... futex resumed>) = 0 [pid 5004] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8163] <... mmap resumed>) = 0x7fe58845a000 [pid 5004] lstat("./184/binderfs", [pid 8163] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8162] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5005] <... umount2 resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8163] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] unlink("./184/binderfs"./strace-static-x86_64: Process 8164 attached [pid 8163] <... clone resumed>, parent_tid=[8164], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8164 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... unlink resumed>) = 0 [pid 8164] set_robust_list(0x7fe58847a9e0, 24 [pid 8163] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] lstat("./186/bus", [pid 5004] getdents64(3, [pid 8164] <... set_robust_list resumed>) = 0 [pid 8163] <... futex resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8163] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] close(3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... close resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./186/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] rmdir("./184" [pid 5005] <... openat resumed>) = 4 [pid 8164] memfd_create("syzkaller", 0 [pid 5005] fstat(4, [pid 5004] <... rmdir resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] mkdir("./185", 0777 [pid 8164] <... memfd_create resumed>) = 3 [pid 5005] getdents64(4, [pid 5004] <... mkdir resumed>) = 0 [pid 8164] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8164] <... mmap resumed>) = 0x7fe58005a000 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5005] close(4 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5005] <... close resumed>) = 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] rmdir("./186/bus" [pid 5004] close(3 [pid 5005] <... rmdir resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5005] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./186/binderfs", [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8165 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./186/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./186") = 0 [pid 5005] mkdir("./187", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8166 ./strace-static-x86_64: Process 8165 attached [pid 8165] set_robust_list(0x5555568c85e0, 24) = 0 ./strace-static-x86_64: Process 8166 attached [pid 8166] set_robust_list(0x5555568c85e0, 24 [pid 8165] chdir("./185" [pid 8166] <... set_robust_list resumed>) = 0 [pid 8166] chdir("./187" [pid 8165] <... chdir resumed>) = 0 [pid 8166] <... chdir resumed>) = 0 [pid 8166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8166] <... prctl resumed>) = 0 [pid 8166] setpgid(0, 0 [pid 8165] <... prctl resumed>) = 0 [pid 8166] <... setpgid resumed>) = 0 [pid 8166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8165] setpgid(0, 0 [pid 8166] <... openat resumed>) = 3 [pid 8165] <... setpgid resumed>) = 0 [pid 8166] write(3, "1000", 4) = 4 [pid 8166] close(3) = 0 [pid 8166] symlink("/dev/binderfs", "./binderfs" [pid 8165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8166] <... symlink resumed>) = 0 [pid 8165] <... openat resumed>) = 3 [pid 8166] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8165] write(3, "1000", 4 [pid 8166] <... futex resumed>) = 0 [pid 8165] <... write resumed>) = 4 [pid 8166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8165] close(3 [pid 8166] <... mmap resumed>) = 0x7fe58845a000 [pid 8165] <... close resumed>) = 0 [pid 8166] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8165] symlink("/dev/binderfs", "./binderfs" [pid 8166] <... mprotect resumed>) = 0 [pid 8165] <... symlink resumed>) = 0 [pid 8166] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8165] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8166] <... clone resumed>, parent_tid=[8167], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8167 [pid 8165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8166] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8165] <... mmap resumed>) = 0x7fe58845a000 [pid 8166] <... futex resumed>) = 0 [pid 8165] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8166] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8165] <... mprotect resumed>) = 0 [pid 8165] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8167 attached ./strace-static-x86_64: Process 8168 attached [pid 8167] set_robust_list(0x7fe58847a9e0, 24 [pid 8165] <... clone resumed>, parent_tid=[8168], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8168 [pid 8164] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8162] <... write resumed>) = 4194304 [pid 8168] set_robust_list(0x7fe58847a9e0, 24 [pid 8167] <... set_robust_list resumed>) = 0 [pid 8165] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8167] memfd_create("syzkaller", 0 [pid 8165] <... futex resumed>) = 0 [pid 8162] munmap(0x7fe58005a000, 4194304 [pid 8167] <... memfd_create resumed>) = 3 [pid 8165] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8168] <... set_robust_list resumed>) = 0 [pid 8162] <... munmap resumed>) = 0 [pid 8167] <... mmap resumed>) = 0x7fe58005a000 [pid 8162] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8168] memfd_create("syzkaller", 0 [pid 8162] <... openat resumed>) = 4 [pid 8168] <... memfd_create resumed>) = 3 [pid 8162] ioctl(4, LOOP_SET_FD, 3 [pid 8168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8162] <... ioctl resumed>) = 0 [pid 8162] close(3 [pid 8168] <... mmap resumed>) = 0x7fe58005a000 [pid 8162] <... close resumed>) = 0 [pid 8162] mkdir("./bus", 0777) = 0 [pid 8162] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8164] <... write resumed>) = 4194304 [pid 8164] munmap(0x7fe58005a000, 4194304) = 0 [pid 8164] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8164] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8164] close(3) = 0 [pid 8164] mkdir("./bus", 0777) = 0 [ 252.122918][ T8162] loop5: detected capacity change from 0 to 8192 [ 252.143387][ T8162] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.154409][ T8164] loop4: detected capacity change from 0 to 8192 [pid 8164] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8168] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 252.170749][ T8162] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 252.180944][ T8162] REISERFS (device loop5): using ordered data mode [ 252.188802][ T8164] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.199162][ T8162] reiserfs: using flush barriers [ 252.207755][ T8164] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 252.217181][ T8164] REISERFS (device loop4): using ordered data mode [ 252.224403][ T8164] reiserfs: using flush barriers [ 252.230239][ T8162] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 252.231401][ T8164] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 252.247036][ T8162] REISERFS (device loop5): checking transaction log (loop5) [pid 8167] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 8167] munmap(0x7fe58005a000, 4194304) = 0 [pid 8167] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8167] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8167] close(3 [ 252.274588][ T8162] REISERFS (device loop5): Using r5 hash to sort names [ 252.290769][ T8162] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 252.294215][ T8167] loop2: detected capacity change from 0 to 8192 [ 252.313203][ T8164] REISERFS (device loop4): checking transaction log (loop4) [pid 8168] <... write resumed>) = 4194304 [pid 8168] munmap(0x7fe58005a000, 4194304 [pid 8167] <... close resumed>) = 0 [pid 8162] <... mount resumed>) = 0 [pid 8168] <... munmap resumed>) = 0 [pid 8162] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8168] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8162] <... openat resumed>) = 3 [pid 8168] <... openat resumed>) = 4 [pid 8162] chdir("./bus" [pid 8168] ioctl(4, LOOP_SET_FD, 3 [pid 8167] mkdir("./bus", 0777 [pid 8162] <... chdir resumed>) = 0 [pid 8162] ioctl(4, LOOP_CLR_FD) = 0 [pid 8162] close(4) = 0 [pid 8162] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8162] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8168] <... ioctl resumed>) = 0 [pid 8168] close(3) = 0 [pid 8168] mkdir("./bus", 0777) = 0 [pid 8168] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8167] <... mkdir resumed>) = 0 [pid 8167] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8161] <... futex resumed>) = 0 [pid 8161] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8164] <... mount resumed>) = 0 [ 252.317034][ T8162] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 252.322083][ T8164] REISERFS (device loop4): Using r5 hash to sort names [ 252.334169][ T8168] loop1: detected capacity change from 0 to 8192 [ 252.337214][ T8164] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 252.356661][ T8164] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8164] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8161] <... futex resumed>) = 1 [pid 8161] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8164] <... openat resumed>) = 3 [pid 8164] chdir("./bus") = 0 [pid 8164] ioctl(4, LOOP_CLR_FD) = 0 [pid 8164] close(4) = 0 [pid 8164] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8164] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8163] <... futex resumed>) = 0 [pid 8162] <... futex resumed>) = 0 [pid 8163] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8162] mkdir("./file1", 000) = 0 [pid 8164] <... futex resumed>) = 0 [pid 8163] <... futex resumed>) = 1 [pid 8162] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8164] mkdir("./file1", 000 [pid 8163] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8162] <... futex resumed>) = 1 [pid 8161] <... futex resumed>) = 0 [pid 8164] <... mkdir resumed>) = 0 [pid 8162] mkdir("./bus", 000 [pid 8161] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8164] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8162] <... mkdir resumed>) = 0 [pid 8161] <... futex resumed>) = 0 [ 252.369939][ T8167] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.383146][ T8168] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.386316][ T8167] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 252.405417][ T8168] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8164] <... futex resumed>) = 1 [pid 8163] <... futex resumed>) = 0 [pid 8162] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8161] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8164] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8163] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8162] <... futex resumed>) = 0 [pid 8161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8163] <... futex resumed>) = 0 [pid 8162] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8161] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8164] mkdir("./bus", 000 [pid 8163] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8161] <... futex resumed>) = 0 [pid 8164] <... mkdir resumed>) = 0 [pid 8162] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8161] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8164] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8163] <... futex resumed>) = 0 [pid 8163] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8164] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8163] <... futex resumed>) = 0 [ 252.419447][ T8168] REISERFS (device loop1): using ordered data mode [ 252.427676][ T8168] reiserfs: using flush barriers [ 252.437275][ T8162] overlayfs: upper fs needs to support d_type. [ 252.445944][ T8164] overlayfs: upper fs needs to support d_type. [ 252.453899][ T8162] overlayfs: upper fs does not support tmpfile. [ 252.455999][ T8167] REISERFS (device loop2): using ordered data mode [pid 8163] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8161] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 252.460484][ T8168] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 252.467632][ T8167] reiserfs: using flush barriers [ 252.483484][ T8164] overlayfs: upper fs does not support tmpfile. [ 252.490870][ T8167] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 252.495042][ T8162] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 252.512679][ T8167] REISERFS (device loop2): checking transaction log (loop2) [pid 8163] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8161] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8163] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8161] <... futex resumed>) = 0 [pid 8163] <... futex resumed>) = 0 [pid 8161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8161] <... mmap resumed>) = 0x7fe580439000 [pid 8163] <... mmap resumed>) = 0x7fe580439000 [pid 8161] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8163] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8161] <... mprotect resumed>) = 0 [pid 8163] <... mprotect resumed>) = 0 [pid 8161] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8163] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8161] <... clone resumed>, parent_tid=[8173], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8173 ./strace-static-x86_64: Process 8174 attached ./strace-static-x86_64: Process 8173 attached [pid 8163] <... clone resumed>, parent_tid=[8174], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8174 [pid 8161] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8164] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8174] set_robust_list(0x7fe5804599e0, 24 [pid 8173] set_robust_list(0x7fe5804599e0, 24 [pid 8164] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8163] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8161] <... futex resumed>) = 0 [pid 8164] <... futex resumed>) = 0 [pid 8163] <... futex resumed>) = 0 [pid 8174] <... set_robust_list resumed>) = 0 [pid 8161] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8173] <... set_robust_list resumed>) = 0 [pid 8174] mkdir(".", 0777 [pid 8173] mkdir(".", 0777 [pid 8164] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8163] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8174] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8173] <... mkdir resumed>) = -1 EEXIST (File exists) [ 252.518864][ T8164] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 252.526923][ T8168] REISERFS (device loop1): checking transaction log (loop1) [ 252.533569][ T8164] overlayfs: failed to resolve './file0': -2 [ 252.549685][ T8167] REISERFS (device loop2): Using r5 hash to sort names [ 252.562729][ T8167] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8174] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8173] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8167] <... mount resumed>) = 0 [ 252.565096][ T8162] overlayfs: failed to resolve './file0': -2 [ 252.576161][ T8167] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 252.590661][ T8174] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 252.601402][ T8168] REISERFS (device loop1): Using r5 hash to sort names [pid 8167] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8162] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8174] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8174] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8174] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8173] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8173] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8173] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8167] <... openat resumed>) = 3 [pid 8167] chdir("./bus") = 0 [pid 8167] ioctl(4, LOOP_CLR_FD) = 0 [pid 8167] close(4) = 0 [pid 8167] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8167] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8162] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8163] <... futex resumed>) = 0 [pid 8161] <... futex resumed>) = 0 [pid 8166] <... futex resumed>) = 0 [pid 8163] exit_group(0 [pid 8162] <... futex resumed>) = 0 [pid 8161] exit_group(0 [pid 8166] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8164] <... futex resumed>) = ? [pid 8163] <... exit_group resumed>) = ? [pid 8161] <... exit_group resumed>) = ? [pid 8166] <... futex resumed>) = 1 [pid 8164] +++ exited with 0 +++ [pid 8162] +++ exited with 0 +++ [pid 8166] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8174] <... futex resumed>) = ? [pid 8173] <... futex resumed>) = ? [pid 8167] <... futex resumed>) = 0 [pid 8174] +++ exited with 0 +++ [pid 8163] +++ exited with 0 +++ [pid 8173] +++ exited with 0 +++ [pid 8161] +++ exited with 0 +++ [pid 8167] mkdir("./file1", 000 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8163, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8161, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 8167] <... mkdir resumed>) = 0 [pid 5008] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8167] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8168] <... mount resumed>) = 0 [pid 8167] <... futex resumed>) = 1 [pid 8166] <... futex resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8168] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8167] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8166] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8168] <... openat resumed>) = 3 [pid 8167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8166] <... futex resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 8168] chdir("./bus" [pid 8167] mkdir("./bus", 000 [pid 8166] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8168] <... chdir resumed>) = 0 [pid 5007] fstat(3, [pid 8167] <... mkdir resumed>) = 0 [pid 8168] ioctl(4, LOOP_CLR_FD [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8167] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8168] <... ioctl resumed>) = 0 [pid 5007] getdents64(3, [pid 8168] close(4 [pid 8167] <... futex resumed>) = 1 [pid 8166] <... futex resumed>) = 0 [pid 8166] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 252.611798][ T8173] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 252.612592][ T8168] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 252.643783][ T8168] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8166] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8167] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8168] <... close resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8168] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8168] <... futex resumed>) = 1 [pid 8165] <... futex resumed>) = 0 [pid 8165] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8168] mkdir("./file1", 000 [pid 8165] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8168] <... mkdir resumed>) = 0 [pid 8168] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8165] <... futex resumed>) = 0 [pid 8165] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8168] mkdir("./bus", 000 [pid 8165] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8168] <... mkdir resumed>) = 0 [pid 8168] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8168] <... futex resumed>) = 1 [pid 8165] <... futex resumed>) = 0 [pid 8165] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8168] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8165] <... futex resumed>) = 0 [pid 8165] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] lstat("./188/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./188/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./188/bus") = 0 [pid 5008] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./188/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./188") = 0 [pid 5008] mkdir("./189", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 8166] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8166] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8166] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8166] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8175], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8175 [pid 8166] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8166] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 252.692033][ T8167] overlayfs: upper fs needs to support d_type. [ 252.698287][ T8167] overlayfs: upper fs does not support tmpfile. [ 252.713193][ T8168] overlayfs: upper fs needs to support d_type. [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8176 ./strace-static-x86_64: Process 8175 attached [pid 8175] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8175] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8175] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8176 attached [pid 8176] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8176] chdir("./189" [pid 8165] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8176] <... chdir resumed>) = 0 [pid 8165] <... futex resumed>) = 0 [ 252.738624][ T8168] overlayfs: upper fs does not support tmpfile. [ 252.751930][ T8168] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 252.760291][ T8168] overlayfs: failed to resolve './file0': -2 [ 252.774833][ T8167] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8165] <... mmap resumed>) = 0x7fe580439000 [pid 8176] <... prctl resumed>) = 0 [pid 8165] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8176] setpgid(0, 0 [pid 8165] <... mprotect resumed>) = 0 [pid 8176] <... setpgid resumed>) = 0 [pid 8165] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8165] <... clone resumed>, parent_tid=[8177], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8177 [pid 8176] write(3, "1000", 4 [pid 8168] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8165] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8176] <... write resumed>) = 4 [pid 8165] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8176] close(3 [pid 8168] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8176] <... close resumed>) = 0 [pid 8168] <... futex resumed>) = 0 [pid 8176] symlink("/dev/binderfs", "./binderfs" [pid 8168] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8176] <... symlink resumed>) = 0 [pid 8176] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8176] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 8177 attached ) = 0 [pid 8177] set_robust_list(0x7fe5804599e0, 24 [pid 8176] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8178 attached [pid 8177] <... set_robust_list resumed>) = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 8178] set_robust_list(0x7fe58847a9e0, 24 [pid 8177] mkdir(".", 0777 [pid 8176] <... clone resumed>, parent_tid=[8178], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8178 [pid 8175] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8178] <... set_robust_list resumed>) = 0 [pid 8177] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8176] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8178] memfd_create("syzkaller", 0 [pid 8177] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8176] <... futex resumed>) = 0 [pid 5007] lstat("./186/bus", [pid 8178] <... memfd_create resumed>) = 3 [pid 8175] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [ 252.784525][ T8175] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 252.823819][ T8167] overlayfs: failed to resolve './file0': -2 [pid 8176] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./186/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8167] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5007] close(4 [pid 8177] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8175] <... futex resumed>) = 1 [pid 8167] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8166] <... futex resumed>) = 0 [pid 8178] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... close resumed>) = 0 [pid 8175] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8167] <... futex resumed>) = 0 [pid 8166] exit_group(0 [pid 5007] rmdir("./186/bus" [pid 8167] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] <... rmdir resumed>) = 0 [pid 5007] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./186/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./186") = 0 [pid 5007] mkdir("./187", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 8177] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8175] <... futex resumed>) = ? [pid 8167] <... futex resumed>) = ? [pid 8166] <... exit_group resumed>) = ? [pid 5007] <... close resumed>) = 0 [pid 8167] +++ exited with 0 +++ [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8177] <... futex resumed>) = 1 [pid 8175] +++ exited with 0 +++ [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8179 [pid 8166] +++ exited with 0 +++ [pid 8177] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8165] <... futex resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8166, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- ./strace-static-x86_64: Process 8179 attached [pid 8179] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8179] chdir("./187" [pid 8165] exit_group(0 [pid 5005] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8168] <... futex resumed>) = ? [pid 8165] <... exit_group resumed>) = ? [pid 8177] <... futex resumed>) = ? [pid 8168] +++ exited with 0 +++ [pid 8179] <... chdir resumed>) = 0 [pid 8179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8179] setpgid(0, 0) = 0 [pid 8177] +++ exited with 0 +++ [pid 8165] +++ exited with 0 +++ [pid 8179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8165, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5005] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8179] <... openat resumed>) = 3 [pid 8179] write(3, "1000", 4) = 4 [pid 5005] <... openat resumed>) = 3 [pid 8179] close(3 [pid 5005] fstat(3, [pid 8179] <... close resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8179] symlink("/dev/binderfs", "./binderfs" [pid 5004] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8179] <... symlink resumed>) = 0 [pid 5005] getdents64(3, [pid 8179] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8179] <... futex resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8179] <... mmap resumed>) = 0x7fe58845a000 [pid 8179] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5004] <... openat resumed>) = 3 [pid 8179] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8180], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8180 [pid 8179] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8179] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 252.834532][ T8177] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8178] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 8180 attached [pid 8180] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8180] memfd_create("syzkaller", 0) = 3 [pid 8180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5004] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./185/bus", [pid 5005] lstat("./187/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./187/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] umount2("./185/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 4 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(4, [pid 5004] openat(AT_FDCWD, "./185/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... openat resumed>) = 4 [pid 5005] getdents64(4, [pid 5004] fstat(4, [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, [pid 5004] getdents64(4, [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] close(4) = 0 [pid 5004] getdents64(4, [pid 5005] rmdir("./187/bus" [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5004] close(4 [pid 5005] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... close resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] rmdir("./185/bus" [pid 5005] lstat("./187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 8178] <... write resumed>) = 4194304 [pid 5005] unlink("./187/binderfs" [pid 5004] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8178] munmap(0x7fe58005a000, 4194304 [pid 5005] <... unlink resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8178] <... munmap resumed>) = 0 [pid 5005] getdents64(3, [pid 8178] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] lstat("./185/binderfs", [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] close(3) = 0 [pid 5004] unlink("./185/binderfs" [pid 8178] <... openat resumed>) = 4 [pid 5004] <... unlink resumed>) = 0 [pid 5005] rmdir("./187") = 0 [pid 5004] getdents64(3, [pid 8178] ioctl(4, LOOP_SET_FD, 3 [pid 5005] mkdir("./188", 0777 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3 [pid 5005] <... mkdir resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] rmdir("./185" [pid 5005] <... openat resumed>) = 3 [pid 5004] <... rmdir resumed>) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5004] mkdir("./186", 0777 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] <... mkdir resumed>) = 0 [pid 5005] close(3 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8178] <... ioctl resumed>) = 0 [pid 8180] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5005] <... close resumed>) = 0 [pid 8178] close(3 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 8178] <... close resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8181 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8178] mkdir("./bus", 0777 [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8182 [pid 8178] <... mkdir resumed>) = 0 [pid 8178] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8182 attached [pid 8182] set_robust_list(0x5555568c85e0, 24./strace-static-x86_64: Process 8181 attached [pid 8181] set_robust_list(0x5555568c85e0, 24 [pid 8182] <... set_robust_list resumed>) = 0 [pid 8182] chdir("./186" [pid 8181] <... set_robust_list resumed>) = 0 [pid 8181] chdir("./188" [pid 8182] <... chdir resumed>) = 0 [pid 8182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8182] setpgid(0, 0 [pid 8181] <... chdir resumed>) = 0 [pid 8182] <... setpgid resumed>) = 0 [pid 8182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8181] setpgid(0, 0) = 0 [pid 8181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8182] <... openat resumed>) = 3 [pid 8182] write(3, "1000", 4) = 4 [pid 8181] <... openat resumed>) = 3 [pid 8182] close(3 [pid 8181] write(3, "1000", 4 [pid 8182] <... close resumed>) = 0 [pid 8181] <... write resumed>) = 4 [pid 8182] symlink("/dev/binderfs", "./binderfs" [pid 8181] close(3 [pid 8182] <... symlink resumed>) = 0 [pid 8181] <... close resumed>) = 0 [pid 8182] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8181] symlink("/dev/binderfs", "./binderfs" [pid 8182] <... futex resumed>) = 0 [pid 8181] <... symlink resumed>) = 0 [pid 8182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8181] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8182] <... mmap resumed>) = 0x7fe58845a000 [pid 8181] <... futex resumed>) = 0 [ 253.015242][ T8178] loop5: detected capacity change from 0 to 8192 [ 253.044947][ T8178] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8182] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8182] <... mprotect resumed>) = 0 [pid 8181] <... mmap resumed>) = 0x7fe58845a000 [pid 8182] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8181] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8182] <... clone resumed>, parent_tid=[8184], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8184 [pid 8181] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8182] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8181] <... clone resumed>, parent_tid=[8185], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8185 [pid 8182] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8181] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8181] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8185 attached [pid 8185] set_robust_list(0x7fe58847a9e0, 24) = 0 ./strace-static-x86_64: Process 8184 attached [pid 8184] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8184] memfd_create("syzkaller", 0 [pid 8185] memfd_create("syzkaller", 0) = 3 [pid 8185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8184] <... memfd_create resumed>) = 3 [pid 8184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 253.074147][ T8178] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 253.101008][ T8178] REISERFS (device loop5): using ordered data mode [pid 8180] <... write resumed>) = 4194304 [pid 8180] munmap(0x7fe58005a000, 4194304) = 0 [pid 8180] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 253.121232][ T8178] reiserfs: using flush barriers [ 253.127719][ T8178] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 253.145149][ T8178] REISERFS (device loop5): checking transaction log (loop5) [ 253.154625][ T8178] REISERFS (device loop5): Using r5 hash to sort names [ 253.159065][ T8180] loop4: detected capacity change from 0 to 8192 [pid 8180] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8185] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8180] close(3) = 0 [pid 8180] mkdir("./bus", 0777) = 0 [pid 8178] <... mount resumed>) = 0 [pid 8180] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8178] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8178] chdir("./bus") = 0 [pid 8178] ioctl(4, LOOP_CLR_FD) = 0 [pid 8178] close(4) = 0 [pid 8178] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8176] <... futex resumed>) = 0 [pid 8178] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8176] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8176] <... futex resumed>) = 0 [pid 8178] mkdir("./file1", 000 [pid 8176] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8184] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8178] <... mkdir resumed>) = 0 [pid 8178] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8176] <... futex resumed>) = 0 [pid 8178] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8176] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8176] <... futex resumed>) = 0 [pid 8185] <... write resumed>) = 4194304 [pid 8178] mkdir("./bus", 000 [pid 8176] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8178] <... mkdir resumed>) = 0 [pid 8185] munmap(0x7fe58005a000, 4194304 [ 253.161790][ T8178] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 253.180862][ T8178] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 253.207176][ T8180] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8178] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8185] <... munmap resumed>) = 0 [pid 8178] <... futex resumed>) = 1 [pid 8176] <... futex resumed>) = 0 [pid 8178] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8176] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8176] <... futex resumed>) = 0 [pid 8178] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8176] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8185] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8185] ioctl(4, LOOP_SET_FD, 3 [pid 8184] <... write resumed>) = 4194304 [pid 8184] munmap(0x7fe58005a000, 4194304 [pid 8185] <... ioctl resumed>) = 0 [pid 8185] close(3) = 0 [pid 8185] mkdir("./bus", 0777) = 0 [ 253.258595][ T8178] overlayfs: upper fs needs to support d_type. [ 253.266800][ T8185] loop2: detected capacity change from 0 to 8192 [ 253.274040][ T8178] overlayfs: upper fs does not support tmpfile. [ 253.280872][ T8178] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 253.289229][ T8180] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8185] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8184] <... munmap resumed>) = 0 [pid 8184] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8176] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8176] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8176] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8176] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8188], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8188 [pid 8176] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8176] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8188 attached [pid 8184] <... openat resumed>) = 4 [pid 8184] ioctl(4, LOOP_SET_FD, 3 [ 253.293769][ T8185] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 253.301063][ T8180] REISERFS (device loop4): using ordered data mode [ 253.313262][ T8178] overlayfs: failed to resolve './file0': -2 [ 253.318444][ T8180] reiserfs: using flush barriers [ 253.326793][ T8185] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 253.332695][ T8184] loop1: detected capacity change from 0 to 8192 [ 253.338428][ T8185] REISERFS (device loop2): using ordered data mode [ 253.350967][ T8185] reiserfs: using flush barriers [pid 8188] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8188] mkdir(".", 0777) = -1 EEXIST (File exists) [ 253.352427][ T8180] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 253.357474][ T8185] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 253.389210][ T8185] REISERFS (device loop2): checking transaction log (loop2) [ 253.397565][ T8185] REISERFS (device loop2): Using r5 hash to sort names [pid 8188] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8185] <... mount resumed>) = 0 [pid 8184] <... ioctl resumed>) = 0 [pid 8188] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8188] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8176] <... futex resumed>) = 0 [pid 8188] <... futex resumed>) = 1 [pid 8188] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8185] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8184] close(3) = 0 [pid 8184] mkdir("./bus", 0777 [pid 8178] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8185] chdir("./bus" [pid 8178] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8184] <... mkdir resumed>) = 0 [pid 8185] <... chdir resumed>) = 0 [pid 8184] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8185] ioctl(4, LOOP_CLR_FD [pid 8178] <... futex resumed>) = 0 [pid 8176] exit_group(0 [pid 8185] <... ioctl resumed>) = 0 [pid 8176] <... exit_group resumed>) = ? [pid 8185] close(4 [pid 8178] +++ exited with 0 +++ [pid 8185] <... close resumed>) = 0 [pid 8185] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8181] <... futex resumed>) = 0 [pid 8185] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8181] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8181] <... futex resumed>) = 0 [ 253.405002][ T8185] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 253.418209][ T8185] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 253.423588][ T8188] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 253.428074][ T8180] REISERFS (device loop4): checking transaction log (loop4) [pid 8185] mkdir("./file1", 000 [pid 8181] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8185] <... mkdir resumed>) = 0 [pid 8185] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8181] <... futex resumed>) = 0 [pid 8185] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8181] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8188] <... futex resumed>) = ? [pid 8185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8181] <... futex resumed>) = 0 [pid 8188] +++ exited with 0 +++ [pid 8185] mkdir("./bus", 000 [pid 8181] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8176] +++ exited with 0 +++ [pid 8185] <... mkdir resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8176, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 8185] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8181] <... futex resumed>) = 0 [pid 8185] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8181] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 253.453385][ T8180] REISERFS (device loop4): Using r5 hash to sort names [ 253.471566][ T8185] overlayfs: upper fs needs to support d_type. [ 253.475100][ T8180] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 253.477929][ T8184] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8181] <... futex resumed>) = 0 [pid 8185] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8181] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8180] <... mount resumed>) = 0 [pid 8180] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8180] chdir("./bus") = 0 [pid 8180] ioctl(4, LOOP_CLR_FD) = 0 [pid 8180] close(4) = 0 [pid 5008] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8180] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8180] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8179] <... futex resumed>) = 0 [pid 8179] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8180] <... futex resumed>) = 0 [pid 8179] <... futex resumed>) = 1 [pid 8180] mkdir("./file1", 000 [pid 8179] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8180] <... mkdir resumed>) = 0 [pid 8180] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8179] <... futex resumed>) = 0 [ 253.491312][ T8180] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 253.504416][ T8185] overlayfs: upper fs does not support tmpfile. [ 253.531705][ T8185] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 253.540432][ T8185] overlayfs: failed to resolve './file0': -2 [ 253.547522][ T8184] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8180] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8179] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8179] <... futex resumed>) = 0 [pid 8180] mkdir("./bus", 000 [pid 8179] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8180] <... mkdir resumed>) = 0 [pid 8185] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8180] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8185] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8181] <... futex resumed>) = 0 [pid 8185] mkdir(".", 0777 [pid 8181] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8185] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8181] <... futex resumed>) = 0 [pid 8180] <... futex resumed>) = 1 [pid 8179] <... futex resumed>) = 0 [pid 8185] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8181] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8180] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8179] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8179] <... futex resumed>) = 0 [pid 8180] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 253.557627][ T8184] REISERFS (device loop1): using ordered data mode [ 253.569210][ T8184] reiserfs: using flush barriers [ 253.585538][ T8180] overlayfs: upper fs needs to support d_type. [ 253.589537][ T8185] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8179] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8185] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8179] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8185] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8181] <... futex resumed>) = 0 [pid 8181] exit_group(0) = ? [pid 8185] <... futex resumed>) = ? [pid 8185] +++ exited with 0 +++ [pid 8181] +++ exited with 0 +++ [pid 8179] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8181, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8179] <... futex resumed>) = 0 [pid 8180] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8180] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8179] <... mmap resumed>) = 0x7fe580439000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8180] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8179] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] lstat("./189/bus", [pid 8179] <... mprotect resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8179] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8190 attached , parent_tid=[8190], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8190 [pid 5008] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8179] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8179] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8179] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] openat(AT_FDCWD, "./189/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 4 [pid 5005] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5005] fstat(3, [pid 5008] getdents64(4, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(3, [pid 8190] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8190] mkdir(".", 0777 [pid 5008] getdents64(4, [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(4 [pid 8190] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./189/bus") = 0 [ 253.601213][ T8180] overlayfs: upper fs does not support tmpfile. [ 253.612886][ T8184] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 253.632048][ T8180] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 253.640331][ T8180] overlayfs: failed to resolve './file0': -2 [ 253.646296][ T8184] REISERFS (device loop1): checking transaction log (loop1) [pid 8190] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./189/binderfs") = 0 [pid 5008] getdents64(3, [pid 8184] <... mount resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 8184] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./189") = 0 [pid 5008] mkdir("./190", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [ 253.666738][ T8184] REISERFS (device loop1): Using r5 hash to sort names [ 253.674642][ T8184] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 253.688557][ T8184] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 253.703139][ T8190] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8191 ./strace-static-x86_64: Process 8191 attached [pid 8190] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8184] <... openat resumed>) = 3 [pid 8191] set_robust_list(0x5555568c85e0, 24 [pid 8190] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8184] chdir("./bus" [pid 8191] <... set_robust_list resumed>) = 0 [pid 8190] <... futex resumed>) = 1 [pid 8184] <... chdir resumed>) = 0 [pid 8179] <... futex resumed>) = 0 [pid 8191] chdir("./190" [pid 8179] exit_group(0 [pid 8180] <... futex resumed>) = ? [pid 8179] <... exit_group resumed>) = ? [pid 8180] +++ exited with 0 +++ [pid 8191] <... chdir resumed>) = 0 [pid 8184] ioctl(4, LOOP_CLR_FD [pid 8191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8190] +++ exited with 0 +++ [pid 8179] +++ exited with 0 +++ [pid 8191] <... prctl resumed>) = 0 [pid 8184] <... ioctl resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8179, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 8191] setpgid(0, 0 [pid 8184] close(4 [pid 5007] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8191] <... setpgid resumed>) = 0 [pid 8184] <... close resumed>) = 0 [pid 5007] fstat(3, [pid 8191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8184] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8191] <... openat resumed>) = 3 [pid 8184] <... futex resumed>) = 1 [pid 8182] <... futex resumed>) = 0 [pid 5007] getdents64(3, [pid 8191] write(3, "1000", 4 [pid 8184] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8182] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8191] <... write resumed>) = 4 [pid 8184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8182] <... futex resumed>) = 0 [pid 5007] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8191] close(3 [pid 8184] mkdir("./file1", 000 [pid 8182] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8191] <... close resumed>) = 0 [pid 8184] <... mkdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 8191] symlink("/dev/binderfs", "./binderfs" [pid 8184] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8191] <... symlink resumed>) = 0 [pid 8184] <... futex resumed>) = 1 [pid 8182] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8191] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8184] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8182] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] lstat("./188/bus", [pid 8191] <... futex resumed>) = 0 [pid 8184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8182] <... futex resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8184] mkdir("./bus", 000 [pid 8182] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8191] <... mmap resumed>) = 0x7fe58845a000 [pid 8184] <... mkdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8191] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8184] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] openat(AT_FDCWD, "./188/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8191] <... mprotect resumed>) = 0 [pid 8184] <... futex resumed>) = 1 [pid 8182] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 4 [pid 8191] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8184] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8182] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] fstat(4, [pid 8184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8182] <... futex resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8191] <... clone resumed>, parent_tid=[8192], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8192 [pid 8184] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8182] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] getdents64(4, ./strace-static-x86_64: Process 8192 attached [pid 8191] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8192] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8192] memfd_create("syzkaller", 0 [pid 8191] <... futex resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8192] <... memfd_create resumed>) = 3 [pid 8191] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] getdents64(4, [pid 8192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8192] <... mmap resumed>) = 0x7fe58005a000 [pid 5005] close(4) = 0 [pid 5005] rmdir("./188/bus") = 0 [pid 5005] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./188/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [ 253.795391][ T8184] overlayfs: upper fs needs to support d_type. [ 253.802569][ T8184] overlayfs: upper fs does not support tmpfile. [ 253.831754][ T8184] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5005] rmdir("./188") = 0 [pid 5005] mkdir("./189", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8193 ./strace-static-x86_64: Process 8193 attached [pid 8193] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8193] chdir("./189") = 0 [pid 8193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8193] setpgid(0, 0) = 0 [pid 8193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8193] write(3, "1000", 4) = 4 [pid 8193] close(3) = 0 [pid 8193] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8182] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8193] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8182] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8193] <... futex resumed>) = 0 [pid 8182] <... futex resumed>) = 0 [pid 8193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8193] <... mmap resumed>) = 0x7fe58845a000 [pid 8182] <... mmap resumed>) = 0x7fe580439000 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./187/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./187/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8193] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8182] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8182] <... mprotect resumed>) = 0 [pid 8193] <... mprotect resumed>) = 0 [pid 8182] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] close(4) = 0 [pid 8193] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] rmdir("./187/bus"./strace-static-x86_64: Process 8195 attached [pid 8182] <... clone resumed>, parent_tid=[8194], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8194 [pid 5007] <... rmdir resumed>) = 0 [ 253.840608][ T8184] overlayfs: failed to resolve './file0': -2 [pid 5007] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8193] <... clone resumed>, parent_tid=[8195], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8195 [pid 8182] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] lstat("./187/binderfs", [pid 8193] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8182] <... futex resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8193] <... futex resumed>) = 0 [pid 8182] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8193] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] unlink("./187/binderfs" [pid 8195] set_robust_list(0x7fe58847a9e0, 24 [pid 8184] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8195] <... set_robust_list resumed>) = 0 [pid 8184] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 8194 attached [pid 5007] getdents64(3, [pid 8195] memfd_create("syzkaller", 0 [pid 8194] set_robust_list(0x7fe5804599e0, 24 [pid 8184] <... futex resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8195] <... memfd_create resumed>) = 3 [pid 8194] <... set_robust_list resumed>) = 0 [pid 8184] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] close(3 [pid 8195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8194] mkdir(".", 0777 [pid 5007] <... close resumed>) = 0 [pid 8194] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8194] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5007] rmdir("./187" [pid 8195] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... rmdir resumed>) = 0 [pid 5007] mkdir("./188", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 8195] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8194] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8192] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... close resumed>) = 0 [pid 8194] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8194] <... futex resumed>) = 1 [pid 8182] <... futex resumed>) = 0 [pid 8194] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8196 [pid 8182] exit_group(0 [pid 8194] <... futex resumed>) = ? [pid 8184] <... futex resumed>) = ? [pid 8182] <... exit_group resumed>) = ? [pid 8194] +++ exited with 0 +++ [pid 8184] +++ exited with 0 +++ [pid 8182] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8182, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8196 attached [pid 8196] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8196] chdir("./188") = 0 [ 253.903834][ T8194] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8196] setpgid(0, 0) = 0 [pid 8196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8196] write(3, "1000", 4) = 4 [pid 8196] close(3) = 0 [pid 8196] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8196] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8196] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8196] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8197], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8197 [pid 8196] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8196] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8197 attached [pid 8195] <... write resumed>) = 4194304 [pid 8197] set_robust_list(0x7fe58847a9e0, 24 [pid 8195] munmap(0x7fe58005a000, 4194304 [pid 8197] <... set_robust_list resumed>) = 0 [pid 8197] memfd_create("syzkaller", 0) = 3 [pid 8197] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8195] <... munmap resumed>) = 0 [pid 8195] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8195] ioctl(4, LOOP_SET_FD, 3 [pid 8192] <... write resumed>) = 4194304 [pid 8192] munmap(0x7fe58005a000, 4194304 [pid 8195] <... ioctl resumed>) = 0 [pid 8195] close(3) = 0 [pid 8195] mkdir("./bus", 0777) = 0 [pid 8192] <... munmap resumed>) = 0 [pid 8192] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8192] ioctl(4, LOOP_SET_FD, 3 [pid 8195] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8192] <... ioctl resumed>) = 0 [pid 8192] close(3) = 0 [pid 8192] mkdir("./bus", 0777) = 0 [ 254.013328][ T8195] loop2: detected capacity change from 0 to 8192 [ 254.036962][ T8192] loop5: detected capacity change from 0 to 8192 [pid 8192] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./186/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./186/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./186/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./186/bus") = 0 [pid 5004] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./186/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./186") = 0 [pid 8197] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 254.056440][ T8195] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 254.070960][ T8192] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 254.081195][ T8195] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 254.084800][ T8192] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 254.101424][ T8195] REISERFS (device loop2): using ordered data mode [pid 5004] mkdir("./187", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8200 [ 254.103091][ T8192] REISERFS (device loop5): using ordered data mode [ 254.116315][ T8192] reiserfs: using flush barriers [ 254.121822][ T8195] reiserfs: using flush barriers [ 254.123102][ T8192] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 254.143887][ T8192] REISERFS (device loop5): checking transaction log (loop5) ./strace-static-x86_64: Process 8200 attached [pid 8200] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8200] chdir("./187") = 0 [pid 8200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8200] setpgid(0, 0) = 0 [pid 8200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8200] write(3, "1000", 4) = 4 [pid 8200] close(3) = 0 [pid 8200] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8200] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8200] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8200] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8201], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8201 [pid 8200] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8200] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8201 attached [pid 8201] set_robust_list(0x7fe58847a9e0, 24 [pid 8192] <... mount resumed>) = 0 [pid 8192] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8201] <... set_robust_list resumed>) = 0 [pid 8201] memfd_create("syzkaller", 0) = 3 [pid 8201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8192] <... openat resumed>) = 3 [ 254.151362][ T8195] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 254.152109][ T8192] REISERFS (device loop5): Using r5 hash to sort names [ 254.175071][ T8192] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 254.188768][ T8192] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 254.199781][ T8195] REISERFS (device loop2): checking transaction log (loop2) [pid 8192] chdir("./bus") = 0 [pid 8192] ioctl(4, LOOP_CLR_FD) = 0 [pid 8195] <... mount resumed>) = 0 [pid 8192] close(4 [pid 8195] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8192] <... close resumed>) = 0 [pid 8195] <... openat resumed>) = 3 [pid 8192] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8195] chdir("./bus" [pid 8192] <... futex resumed>) = 1 [pid 8191] <... futex resumed>) = 0 [pid 8201] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8195] <... chdir resumed>) = 0 [pid 8192] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8191] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8195] ioctl(4, LOOP_CLR_FD [pid 8192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8191] <... futex resumed>) = 0 [pid 8195] <... ioctl resumed>) = 0 [pid 8192] mkdir("./file1", 000 [pid 8191] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8195] close(4 [pid 8192] <... mkdir resumed>) = 0 [pid 8195] <... close resumed>) = 0 [pid 8192] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8195] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8192] <... futex resumed>) = 1 [pid 8191] <... futex resumed>) = 0 [pid 8195] <... futex resumed>) = 1 [pid 8193] <... futex resumed>) = 0 [pid 8192] mkdir("./bus", 000 [ 254.209000][ T8195] REISERFS (device loop2): Using r5 hash to sort names [ 254.216176][ T8195] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 254.229151][ T8195] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8191] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8195] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8193] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8192] <... mkdir resumed>) = 0 [pid 8191] <... futex resumed>) = 0 [pid 8197] <... write resumed>) = 4194304 [pid 8195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8193] <... futex resumed>) = 0 [pid 8192] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8191] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8197] munmap(0x7fe58005a000, 4194304 [pid 8195] mkdir("./file1", 000 [pid 8193] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8192] <... futex resumed>) = 0 [pid 8191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8191] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8191] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8197] <... munmap resumed>) = 0 [pid 8197] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8195] <... mkdir resumed>) = 0 [pid 8192] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8195] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8193] <... futex resumed>) = 0 [pid 8193] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8193] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8197] <... openat resumed>) = 4 [pid 8195] mkdir("./bus", 000 [pid 8197] ioctl(4, LOOP_SET_FD, 3 [pid 8195] <... mkdir resumed>) = 0 [pid 8195] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8193] <... futex resumed>) = 0 [pid 8197] <... ioctl resumed>) = 0 [pid 8195] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8193] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8197] close(3 [pid 8195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8193] <... futex resumed>) = 0 [pid 8197] <... close resumed>) = 0 [pid 8195] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8193] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8197] mkdir("./bus", 0777) = 0 [pid 8191] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8191] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [ 254.287535][ T8192] overlayfs: upper fs needs to support d_type. [ 254.296430][ T8192] overlayfs: upper fs does not support tmpfile. [ 254.303102][ T8197] loop4: detected capacity change from 0 to 8192 [ 254.319374][ T8195] overlayfs: upper fs needs to support d_type. [ 254.320673][ T8192] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8191] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8191] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8197] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8191] <... clone resumed>, parent_tid=[8202], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8202 ./strace-static-x86_64: Process 8202 attached [pid 8191] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8202] set_robust_list(0x7fe5804599e0, 24 [pid 8191] <... futex resumed>) = 0 [pid 8202] <... set_robust_list resumed>) = 0 [pid 8191] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8202] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8202] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8193] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8201] <... write resumed>) = 4194304 [pid 8201] munmap(0x7fe58005a000, 4194304) = 0 [pid 8201] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 254.331258][ T8195] overlayfs: upper fs does not support tmpfile. [ 254.345230][ T8197] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 254.350132][ T8192] overlayfs: failed to resolve './file0': -2 [ 254.366144][ T8195] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 254.368010][ T8197] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8201] ioctl(4, LOOP_SET_FD, 3 [pid 8202] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8193] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8192] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8192] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8192] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8202] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8201] <... ioctl resumed>) = 0 [pid 8193] <... futex resumed>) = 0 [pid 8202] <... futex resumed>) = 1 [pid 8193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8202] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8193] <... mmap resumed>) = 0x7fe580439000 [pid 8193] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8193] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8204], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8204 [pid 8193] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8193] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8201] close(3) = 0 [pid 8201] mkdir("./bus", 0777) = 0 [pid 8195] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8191] <... futex resumed>) = 0 [pid 8195] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8191] exit_group(0./strace-static-x86_64: Process 8204 attached [pid 8202] <... futex resumed>) = ? [pid 8195] <... futex resumed>) = 0 [pid 8192] <... futex resumed>) = ? [pid 8191] <... exit_group resumed>) = ? [pid 8195] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8201] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8204] set_robust_list(0x7fe5804599e0, 24 [pid 8202] +++ exited with 0 +++ [pid 8192] +++ exited with 0 +++ [pid 8191] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8191, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 8204] <... set_robust_list resumed>) = 0 [pid 8204] mkdir(".", 0777 [pid 5008] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8204] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, [pid 8204] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 254.378078][ T8202] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 254.388705][ T8201] loop1: detected capacity change from 0 to 8192 [ 254.399309][ T8195] overlayfs: failed to resolve './file0': -2 [ 254.406042][ T8197] REISERFS (device loop4): using ordered data mode [ 254.417971][ T8197] reiserfs: using flush barriers [ 254.432625][ T8197] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 254.436841][ T8204] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 254.450870][ T8197] REISERFS (device loop4): checking transaction log (loop4) [ 254.470545][ T8201] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5008] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8204] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8204] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8193] <... futex resumed>) = 0 [pid 8193] exit_group(0 [pid 8195] <... futex resumed>) = ? [pid 8193] <... exit_group resumed>) = ? [pid 8195] +++ exited with 0 +++ [pid 8204] <... futex resumed>) = ? [pid 8204] +++ exited with 0 +++ [pid 8193] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8193, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5005] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8197] <... mount resumed>) = 0 [ 254.483998][ T8201] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 254.485657][ T8197] REISERFS (device loop4): Using r5 hash to sort names [ 254.493572][ T8201] REISERFS (device loop1): using ordered data mode [ 254.506784][ T8201] reiserfs: using flush barriers [ 254.513383][ T8197] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 254.526182][ T8197] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8197] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8197] chdir("./bus") = 0 [pid 8197] ioctl(4, LOOP_CLR_FD) = 0 [pid 8197] close(4) = 0 [pid 8197] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8197] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8196] <... futex resumed>) = 0 [pid 8196] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8197] <... futex resumed>) = 0 [pid 8196] <... futex resumed>) = 1 [pid 8197] mkdir("./file1", 000 [ 254.536037][ T8201] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 254.561891][ T8201] REISERFS (device loop1): checking transaction log (loop1) [pid 8196] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8197] <... mkdir resumed>) = 0 [pid 8197] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8197] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8196] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8197] <... futex resumed>) = 0 [pid 8196] <... futex resumed>) = 1 [pid 8197] mkdir("./bus", 000 [pid 8196] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8197] <... mkdir resumed>) = 0 [pid 8197] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8196] <... futex resumed>) = 0 [pid 8197] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8196] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8196] <... futex resumed>) = 0 [pid 8197] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 254.592966][ T8201] REISERFS (device loop1): Using r5 hash to sort names [ 254.601674][ T8201] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 254.626870][ T8201] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 254.637419][ T8197] overlayfs: upper fs needs to support d_type. [pid 8196] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8201] <... mount resumed>) = 0 [pid 8201] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./189/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8201] chdir("./bus" [pid 5008] <... umount2 resumed>) = 0 [pid 5005] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8201] <... chdir resumed>) = 0 [pid 5008] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8201] ioctl(4, LOOP_CLR_FD [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./189/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8201] <... ioctl resumed>) = 0 [pid 5008] lstat("./190/bus", [pid 5005] <... openat resumed>) = 4 [pid 8201] close(4 [pid 8196] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8201] <... close resumed>) = 0 [pid 8197] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8196] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] fstat(4, [pid 8201] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8197] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8196] <... futex resumed>) = 0 [pid 5008] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8201] <... futex resumed>) = 1 [pid 8200] <... futex resumed>) = 0 [pid 8197] <... futex resumed>) = 0 [pid 8196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] getdents64(4, [pid 8201] mkdir("./file1", 000 [pid 8200] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8197] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8196] <... mmap resumed>) = 0x7fe580439000 [pid 5008] openat(AT_FDCWD, "./190/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [ 254.644544][ T8197] overlayfs: upper fs does not support tmpfile. [ 254.652837][ T8197] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 254.662333][ T8197] overlayfs: failed to resolve './file0': -2 [pid 8201] <... mkdir resumed>) = 0 [pid 8200] <... futex resumed>) = 0 [pid 8196] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... openat resumed>) = 4 [pid 5005] getdents64(4, [pid 8201] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8200] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8201] <... futex resumed>) = 0 [pid 8196] <... mprotect resumed>) = 0 [pid 5008] fstat(4, [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8201] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8200] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8196] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] close(4 [pid 8201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8200] <... futex resumed>) = 0 [pid 5008] getdents64(4, [pid 5005] <... close resumed>) = 0 [pid 8201] mkdir("./bus", 000 [pid 8200] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8196] <... clone resumed>, parent_tid=[8206], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8206 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] rmdir("./189/bus" [pid 8196] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8201] <... mkdir resumed>) = 0 [pid 5008] getdents64(4, [pid 5005] <... rmdir resumed>) = 0 [pid 8201] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8196] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8201] <... futex resumed>) = 1 [pid 8200] <... futex resumed>) = 0 [pid 8196] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] close(4 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8201] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8200] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... close resumed>) = 0 [pid 5005] lstat("./189/binderfs", [pid 8200] <... futex resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8200] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] rmdir("./190/bus"./strace-static-x86_64: Process 8206 attached [pid 8206] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8206] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8206] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5005] unlink("./189/binderfs" [pid 5008] <... rmdir resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 8206] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8206] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8206] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./190/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./190") = 0 [pid 5008] mkdir("./191", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 8196] <... futex resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5005] getdents64(3, [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8207 [pid 8196] exit_group(0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 8207 attached [pid 8206] <... futex resumed>) = ? [pid 8197] <... futex resumed>) = ? [pid 8196] <... exit_group resumed>) = ? [pid 8206] +++ exited with 0 +++ [pid 8197] +++ exited with 0 +++ [pid 5005] close(3) = 0 [pid 5005] rmdir("./189" [pid 8207] set_robust_list(0x5555568c85e0, 24 [pid 8196] +++ exited with 0 +++ [pid 5005] <... rmdir resumed>) = 0 [pid 8207] <... set_robust_list resumed>) = 0 [pid 5005] mkdir("./190", 0777 [pid 8207] chdir("./191" [pid 8201] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8196, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5005] <... mkdir resumed>) = 0 [pid 8207] <... chdir resumed>) = 0 [pid 8201] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8201] <... futex resumed>) = 1 [pid 8200] <... futex resumed>) = 0 [pid 5007] <... restart_syscall resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 8207] <... prctl resumed>) = 0 [pid 8201] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8200] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 8207] setpgid(0, 0 [pid 8201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8200] <... futex resumed>) = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8207] <... setpgid resumed>) = 0 [pid 8201] mkdir(".", 0777 [pid 8200] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] close(3 [pid 8207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8201] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... close resumed>) = 0 [pid 8201] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5007] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8208 attached [pid 8207] <... openat resumed>) = 3 [pid 5007] <... openat resumed>) = 3 [pid 8207] write(3, "1000", 4 [pid 5007] fstat(3, [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8208 [ 254.719954][ T8201] overlayfs: upper fs needs to support d_type. [ 254.727552][ T8201] overlayfs: upper fs does not support tmpfile. [ 254.733952][ T8206] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 254.749950][ T8201] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 254.758625][ T8201] overlayfs: failed to resolve './file0': -2 [pid 8208] set_robust_list(0x5555568c85e0, 24 [pid 8207] <... write resumed>) = 4 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8208] <... set_robust_list resumed>) = 0 [pid 8207] close(3 [pid 5007] getdents64(3, [pid 8208] chdir("./190" [pid 8207] <... close resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8208] <... chdir resumed>) = 0 [pid 8207] symlink("/dev/binderfs", "./binderfs" [pid 5007] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8201] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8207] <... symlink resumed>) = 0 [pid 8201] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8200] <... futex resumed>) = 0 [pid 8201] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8200] exit_group(0 [pid 8207] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8201] <... futex resumed>) = ? [pid 8200] <... exit_group resumed>) = ? [pid 8201] +++ exited with 0 +++ [pid 8208] <... prctl resumed>) = 0 [pid 8208] setpgid(0, 0 [pid 8200] +++ exited with 0 +++ [pid 8208] <... setpgid resumed>) = 0 [pid 8207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8200, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 8208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8207] <... mmap resumed>) = 0x7fe58845a000 [pid 8208] <... openat resumed>) = 3 [pid 8207] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8208] write(3, "1000", 4 [pid 8207] <... mprotect resumed>) = 0 [pid 8208] <... write resumed>) = 4 [pid 8207] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8208] close(3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8208] <... close resumed>) = 0 [pid 8207] <... clone resumed>, parent_tid=[8209], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8209 [pid 5004] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8208] symlink("/dev/binderfs", "./binderfs" [pid 8207] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8209 attached ) = 0 [pid 5004] <... openat resumed>) = 3 [pid 8209] set_robust_list(0x7fe58847a9e0, 24 [pid 8207] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] fstat(3, [pid 8208] <... symlink resumed>) = 0 [pid 8209] <... set_robust_list resumed>) = 0 [pid 8208] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8208] <... futex resumed>) = 0 [pid 5004] getdents64(3, [pid 8209] memfd_create("syzkaller", 0 [pid 8208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8209] <... memfd_create resumed>) = 3 [pid 8208] <... mmap resumed>) = 0x7fe58845a000 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8208] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5004] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8209] <... mmap resumed>) = 0x7fe58005a000 [pid 8208] <... mprotect resumed>) = 0 [pid 8208] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8210], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8210 [pid 8208] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8208] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8210 attached [pid 8210] set_robust_list(0x7fe58847a9e0, 24) = 0 [ 254.791488][ T8201] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8210] memfd_create("syzkaller", 0) = 3 [pid 8210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./188/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./188/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8210] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... openat resumed>) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./188/bus") = 0 [pid 5007] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./188/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./188") = 0 [pid 5007] mkdir("./189", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8211 ./strace-static-x86_64: Process 8211 attached [pid 8211] set_robust_list(0x5555568c85e0, 24 [pid 5004] <... umount2 resumed>) = 0 [pid 8211] <... set_robust_list resumed>) = 0 [pid 8211] chdir("./189" [pid 5004] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8211] <... chdir resumed>) = 0 [pid 8209] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] lstat("./187/bus", [pid 8211] <... prctl resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8211] setpgid(0, 0 [pid 5004] umount2("./187/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8211] <... setpgid resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] openat(AT_FDCWD, "./187/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8211] <... openat resumed>) = 3 [pid 5004] <... openat resumed>) = 4 [pid 8211] write(3, "1000", 4 [pid 5004] fstat(4, [pid 8211] <... write resumed>) = 4 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8211] close(3 [pid 5004] getdents64(4, [pid 8211] <... close resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8211] symlink("/dev/binderfs", "./binderfs" [pid 5004] getdents64(4, [pid 8211] <... symlink resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8211] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(4 [pid 8211] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 8211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] rmdir("./187/bus" [pid 8211] <... mmap resumed>) = 0x7fe58845a000 [pid 8211] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... rmdir resumed>) = 0 [pid 8211] <... mprotect resumed>) = 0 [pid 5004] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8211] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8211] <... clone resumed>, parent_tid=[8212], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8212 [pid 5004] lstat("./187/binderfs", [pid 8211] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8211] <... futex resumed>) = 0 [pid 5004] unlink("./187/binderfs"./strace-static-x86_64: Process 8212 attached [pid 8211] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... unlink resumed>) = 0 [pid 8212] set_robust_list(0x7fe58847a9e0, 24 [pid 5004] getdents64(3, [pid 8212] <... set_robust_list resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8212] memfd_create("syzkaller", 0 [pid 5004] close(3 [pid 8212] <... memfd_create resumed>) = 3 [pid 8209] <... write resumed>) = 4194304 [pid 5004] <... close resumed>) = 0 [pid 8212] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8209] munmap(0x7fe58005a000, 4194304 [pid 5004] rmdir("./187" [pid 8212] <... mmap resumed>) = 0x7fe58005a000 [pid 8209] <... munmap resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 8209] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] mkdir("./188", 0777 [pid 8209] <... openat resumed>) = 4 [pid 8209] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... mkdir resumed>) = 0 [pid 8209] <... ioctl resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8209] close(3) = 0 [pid 8209] mkdir("./bus", 0777 [pid 5004] <... openat resumed>) = 3 [pid 8209] <... mkdir resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 8209] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 8210] <... write resumed>) = 4194304 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8210] munmap(0x7fe58005a000, 4194304) = 0 [pid 8210] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8210] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8214 ./strace-static-x86_64: Process 8214 attached [pid 8214] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8214] chdir("./188") = 0 [pid 8214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8214] setpgid(0, 0) = 0 [pid 8214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8214] write(3, "1000", 4) = 4 [pid 8214] close(3) = 0 [pid 8214] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8214] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 255.014448][ T8209] loop5: detected capacity change from 0 to 8192 [ 255.043225][ T8210] loop2: detected capacity change from 0 to 8192 [pid 8214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8214] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8214] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8215], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8215 [pid 8214] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8214] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8210] <... ioctl resumed>) = 0 [pid 8210] close(3) = 0 ./strace-static-x86_64: Process 8215 attached [pid 8210] mkdir("./bus", 0777) = 0 [pid 8210] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8215] set_robust_list(0x7fe58847a9e0, 24 [ 255.051502][ T8209] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.065109][ T8209] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 255.075399][ T8209] REISERFS (device loop5): using ordered data mode [ 255.082277][ T8209] reiserfs: using flush barriers [ 255.088461][ T8209] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8212] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8215] <... set_robust_list resumed>) = 0 [pid 8215] memfd_create("syzkaller", 0) = 3 [pid 8215] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8209] <... mount resumed>) = 0 [pid 8209] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8209] chdir("./bus") = 0 [pid 8209] ioctl(4, LOOP_CLR_FD) = 0 [pid 8209] close(4) = 0 [pid 8209] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8207] <... futex resumed>) = 0 [ 255.089065][ T8210] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.105242][ T8209] REISERFS (device loop5): checking transaction log (loop5) [ 255.126700][ T8209] REISERFS (device loop5): Using r5 hash to sort names [ 255.133860][ T8209] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 255.147665][ T8209] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8209] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8207] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8207] <... futex resumed>) = 0 [pid 8209] mkdir("./file1", 000 [pid 8207] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8209] <... mkdir resumed>) = 0 [pid 8209] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8209] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8207] <... futex resumed>) = 0 [pid 8215] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8207] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8209] <... futex resumed>) = 0 [pid 8207] <... futex resumed>) = 1 [pid 8209] mkdir("./bus", 000 [pid 8207] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8209] <... mkdir resumed>) = 0 [pid 8209] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8207] <... futex resumed>) = 0 [pid 8209] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8207] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8207] <... futex resumed>) = 0 [pid 8209] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8207] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8212] <... write resumed>) = 4194304 [ 255.212660][ T8210] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 255.224989][ T8209] overlayfs: upper fs needs to support d_type. [ 255.234489][ T8209] overlayfs: upper fs does not support tmpfile. [ 255.251324][ T8210] REISERFS (device loop2): using ordered data mode [pid 8212] munmap(0x7fe58005a000, 4194304) = 0 [pid 8212] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8207] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8212] <... openat resumed>) = 4 [pid 8207] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8212] ioctl(4, LOOP_SET_FD, 3 [pid 8207] <... futex resumed>) = 0 [pid 8207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8207] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8207] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8217], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8217 [pid 8209] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8209] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8209] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8207] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8212] <... ioctl resumed>) = 0 [pid 8207] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8217 attached [pid 8212] close(3 [pid 8207] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8217] set_robust_list(0x7fe5804599e0, 24 [pid 8212] <... close resumed>) = 0 [pid 8217] <... set_robust_list resumed>) = 0 [pid 8212] mkdir("./bus", 0777 [pid 8217] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8212] <... mkdir resumed>) = 0 [pid 8217] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 255.252123][ T8209] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 255.259010][ T8210] reiserfs: using flush barriers [ 255.269011][ T8209] overlayfs: failed to resolve './file0': -2 [ 255.277860][ T8212] loop4: detected capacity change from 0 to 8192 [ 255.286772][ T8210] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 255.304660][ T8210] REISERFS (device loop2): checking transaction log (loop2) [pid 8212] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8215] <... write resumed>) = 4194304 [pid 8215] munmap(0x7fe58005a000, 4194304) = 0 [pid 8215] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8215] ioctl(4, LOOP_SET_FD, 3 [pid 8217] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8215] <... ioctl resumed>) = 0 [pid 8215] close(3) = 0 [pid 8215] mkdir("./bus", 0777) = 0 [pid 8217] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8210] <... mount resumed>) = 0 [pid 8207] <... futex resumed>) = 0 [ 255.318687][ T8217] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 255.333536][ T8210] REISERFS (device loop2): Using r5 hash to sort names [ 255.340688][ T8210] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 255.344981][ T8215] loop1: detected capacity change from 0 to 8192 [ 255.353849][ T8210] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8217] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8207] exit_group(0 [pid 8217] <... futex resumed>) = ? [pid 8209] <... futex resumed>) = ? [pid 8207] <... exit_group resumed>) = ? [pid 8217] +++ exited with 0 +++ [pid 8209] +++ exited with 0 +++ [pid 8207] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8207, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8215] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8210] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8210] chdir("./bus") = 0 [pid 8210] ioctl(4, LOOP_CLR_FD) = 0 [ 255.369612][ T8212] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.382706][ T8212] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 255.392054][ T8212] REISERFS (device loop4): using ordered data mode [ 255.398582][ T8212] reiserfs: using flush barriers [pid 8210] close(4) = 0 [pid 8210] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8208] <... futex resumed>) = 0 [pid 8208] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8210] mkdir("./file1", 000 [pid 8208] <... futex resumed>) = 0 [pid 8210] <... mkdir resumed>) = 0 [pid 8208] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8210] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8210] <... futex resumed>) = 0 [pid 8208] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8210] mkdir("./bus", 000 [pid 8208] <... futex resumed>) = 0 [pid 8210] <... mkdir resumed>) = 0 [ 255.404786][ T8212] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 255.421789][ T8212] REISERFS (device loop4): checking transaction log (loop4) [ 255.429989][ T8212] REISERFS (device loop4): Using r5 hash to sort names [ 255.433937][ T8215] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.437804][ T8212] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8208] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8210] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8210] <... futex resumed>) = 0 [pid 8208] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8212] <... mount resumed>) = 0 [pid 8210] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8208] <... futex resumed>) = 0 [pid 8212] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [ 255.463378][ T8212] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 255.481370][ T8215] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 255.490588][ T8215] REISERFS (device loop1): using ordered data mode [ 255.497358][ T8215] reiserfs: using flush barriers [ 255.503026][ T8210] overlayfs: upper fs needs to support d_type. [pid 8208] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8212] <... openat resumed>) = 3 [pid 8212] chdir("./bus") = 0 [pid 8212] ioctl(4, LOOP_CLR_FD [pid 5008] <... umount2 resumed>) = 0 [pid 8212] <... ioctl resumed>) = 0 [pid 5008] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8212] close(4) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8212] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8208] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] lstat("./191/bus", [pid 8208] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8208] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [ 255.509329][ T8215] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 255.512090][ T8210] overlayfs: upper fs does not support tmpfile. [ 255.535573][ T8215] REISERFS (device loop1): checking transaction log (loop1) [ 255.549258][ T8215] REISERFS (device loop1): Using r5 hash to sort names [ 255.553831][ T8210] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8208] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8220], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8220 [pid 8208] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8208] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8212] <... futex resumed>) = 1 [pid 8212] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8211] <... futex resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 8220 attached [pid 8220] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8220] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8220] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8211] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8211] <... futex resumed>) = 1 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8215] <... mount resumed>) = 0 [pid 8212] <... futex resumed>) = 0 [pid 8211] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] openat(AT_FDCWD, "./191/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8215] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8212] mkdir("./file1", 000 [pid 5008] <... openat resumed>) = 4 [pid 8215] <... openat resumed>) = 3 [pid 8212] <... mkdir resumed>) = 0 [pid 5008] fstat(4, [pid 8215] chdir("./bus" [pid 8212] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8215] <... chdir resumed>) = 0 [pid 8212] <... futex resumed>) = 1 [pid 8211] <... futex resumed>) = 0 [pid 5008] getdents64(4, [pid 8215] ioctl(4, LOOP_CLR_FD [pid 8212] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8211] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8215] <... ioctl resumed>) = 0 [pid 8212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8211] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8215] close(4 [ 255.557028][ T8215] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 255.576804][ T8215] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 255.602471][ T8210] overlayfs: failed to resolve './file0': -2 [pid 8212] mkdir("./bus", 000 [pid 8211] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] getdents64(4, [pid 8215] <... close resumed>) = 0 [pid 8212] <... mkdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8215] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8212] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] close(4 [pid 8215] <... futex resumed>) = 1 [pid 8212] <... futex resumed>) = 1 [pid 8211] <... futex resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 8215] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8212] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8211] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] rmdir("./191/bus" [pid 8212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8211] <... futex resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 8212] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8211] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./191/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./191/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./191") = 0 [pid 5008] mkdir("./192", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8221 [pid 8214] <... futex resumed>) = 0 [pid 8214] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8210] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8214] <... futex resumed>) = 1 ./strace-static-x86_64: Process 8221 attached [pid 8215] <... futex resumed>) = 0 [pid 8214] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8210] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8215] mkdir("./file1", 000 [pid 8210] <... futex resumed>) = 0 [pid 8215] <... mkdir resumed>) = 0 [pid 8210] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8215] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8221] set_robust_list(0x5555568c85e0, 24 [pid 8215] <... futex resumed>) = 0 [pid 8214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8221] <... set_robust_list resumed>) = 0 [pid 8215] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8214] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8221] chdir("./192" [pid 8214] <... futex resumed>) = 1 [pid 8215] <... futex resumed>) = 0 [pid 8215] mkdir("./bus", 000) = 0 [pid 8215] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8215] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8214] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8221] <... chdir resumed>) = 0 [pid 8214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8214] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8215] <... futex resumed>) = 0 [pid 8214] <... futex resumed>) = 1 [pid 8215] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 255.614951][ T8220] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 255.631364][ T8212] overlayfs: upper fs needs to support d_type. [ 255.637592][ T8212] overlayfs: upper fs does not support tmpfile. [ 255.651495][ T8215] overlayfs: upper fs needs to support d_type. [ 255.656045][ T8212] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 255.657687][ T8215] overlayfs: upper fs does not support tmpfile. [pid 8214] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8221] <... prctl resumed>) = 0 [pid 8220] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8211] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8211] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8211] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8211] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8222], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8222 [pid 8211] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8211] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8221] setpgid(0, 0 [pid 8220] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8222 attached [pid 8222] set_robust_list(0x7fe5804599e0, 24 [pid 8220] <... futex resumed>) = 1 [pid 8208] <... futex resumed>) = 0 [pid 8221] <... setpgid resumed>) = 0 [pid 8220] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8208] exit_group(0 [pid 8222] <... set_robust_list resumed>) = 0 [pid 8222] mkdir(".", 0777 [pid 8221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8220] <... futex resumed>) = ? [pid 8210] <... futex resumed>) = ? [pid 8208] <... exit_group resumed>) = ? [pid 8210] +++ exited with 0 +++ [pid 8222] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8222] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8220] +++ exited with 0 +++ [pid 8208] +++ exited with 0 +++ [pid 8221] <... openat resumed>) = 3 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8208, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 8221] write(3, "1000", 4) = 4 [pid 8221] close(3) = 0 [pid 8212] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5005] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8221] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8221] <... symlink resumed>) = 0 [pid 8212] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8221] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8212] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 8222] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8222] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8211] <... futex resumed>) = 0 [pid 8221] <... futex resumed>) = 0 [pid 8212] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] fstat(3, [pid 8221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8211] exit_group(0) = ? [pid 8222] <... futex resumed>) = ? [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8212] <... futex resumed>) = ? [pid 8222] +++ exited with 0 +++ [pid 8221] <... mmap resumed>) = 0x7fe58845a000 [ 255.669114][ T8212] overlayfs: failed to resolve './file0': -2 [ 255.696628][ T8222] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 255.697288][ T8215] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8221] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8212] +++ exited with 0 +++ [pid 8211] +++ exited with 0 +++ [pid 5005] getdents64(3, [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8211, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8221] <... mprotect resumed>) = 0 [pid 5005] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8221] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8214] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8221] <... clone resumed>, parent_tid=[8223], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8223 [pid 8214] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8221] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8214] <... futex resumed>) = 0 [pid 8221] <... futex resumed>) = 0 [pid 8214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8221] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8214] <... mmap resumed>) = 0x7fe580439000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8214] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5007] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8223 attached [pid 8214] <... mprotect resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 8214] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8214] <... clone resumed>, parent_tid=[8224], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8224 [pid 5007] getdents64(3, [pid 8214] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8214] <... futex resumed>) = 0 [pid 5007] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8214] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8224 attached [pid 8224] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8224] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8224] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8223] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8223] memfd_create("syzkaller", 0) = 3 [pid 8223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8215] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8215] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8224] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8224] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8215] <... futex resumed>) = 0 [pid 8214] <... futex resumed>) = 0 [pid 8214] exit_group(0) = ? [pid 8224] <... futex resumed>) = ? [pid 8215] +++ exited with 0 +++ [pid 8224] +++ exited with 0 +++ [pid 8214] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8214, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 255.724404][ T8215] overlayfs: failed to resolve './file0': -2 [ 255.756778][ T8224] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8223] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./189/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./189/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(4, [pid 5005] lstat("./190/bus", [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] close(4 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... close resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./190/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] rmdir("./189/bus" [pid 5005] <... openat resumed>) = 4 [pid 5005] fstat(4, [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(4, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4 [pid 5007] lstat("./189/binderfs", [pid 5005] <... close resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] rmdir("./190/bus" [pid 5007] unlink("./189/binderfs") = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5007] getdents64(3, [pid 5005] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... close resumed>) = 0 [pid 5005] lstat("./190/binderfs", [pid 5007] rmdir("./189") = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] mkdir("./190", 0777 [pid 5005] unlink("./190/binderfs" [pid 5007] <... mkdir resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5005] <... unlink resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5005] getdents64(3, [pid 5004] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] close(3) = 0 [pid 5005] <... close resumed>) = 0 [pid 5004] lstat("./188/bus", [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] rmdir("./190" [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8225 [pid 5005] <... rmdir resumed>) = 0 [pid 5005] mkdir("./191", 0777 [pid 5004] umount2("./188/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... openat resumed>) = 3 [pid 5004] openat(AT_FDCWD, "./188/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] <... openat resumed>) = 4 [pid 5005] close(3 [pid 5004] fstat(4, [pid 5005] <... close resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] getdents64(4, ./strace-static-x86_64: Process 8225 attached [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8226 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4 [pid 8225] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5004] <... close resumed>) = 0 [pid 8225] chdir("./190") = 0 [pid 8225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8225] setpgid(0, 0) = 0 [pid 8225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8225] write(3, "1000", 4 [pid 5004] rmdir("./188/bus" [pid 8225] <... write resumed>) = 4 [pid 5004] <... rmdir resumed>) = 0 [pid 5004] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8225] close(3./strace-static-x86_64: Process 8226 attached ) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8226] set_robust_list(0x5555568c85e0, 24 [pid 8225] symlink("/dev/binderfs", "./binderfs" [pid 5004] lstat("./188/binderfs", [pid 8226] <... set_robust_list resumed>) = 0 [pid 8225] <... symlink resumed>) = 0 [pid 8226] chdir("./191" [pid 8225] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./188/binderfs" [pid 8226] <... chdir resumed>) = 0 [pid 8225] <... futex resumed>) = 0 [pid 8226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] <... unlink resumed>) = 0 [pid 8226] <... prctl resumed>) = 0 [pid 8225] <... mmap resumed>) = 0x7fe58845a000 [pid 5004] getdents64(3, [pid 8226] setpgid(0, 0 [pid 8225] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8226] <... setpgid resumed>) = 0 [pid 8225] <... mprotect resumed>) = 0 [pid 5004] close(3 [pid 8226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8225] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8226] <... openat resumed>) = 3 [pid 5004] <... close resumed>) = 0 [pid 8226] write(3, "1000", 4 [pid 8225] <... clone resumed>, parent_tid=[8227], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8227 [pid 5004] rmdir("./188" [pid 8226] <... write resumed>) = 4 [pid 8225] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8226] close(3 [pid 8225] <... futex resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 8226] <... close resumed>) = 0 [pid 8225] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] mkdir("./189", 0777 [pid 8226] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5004] <... mkdir resumed>) = 0 [pid 8226] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8226] <... futex resumed>) = 0 [pid 8226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] <... openat resumed>) = 3 [pid 8226] <... mmap resumed>) = 0x7fe58845a000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 8226] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 8227 attached ) = 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8227] set_robust_list(0x7fe58847a9e0, 24 [pid 8226] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8227] <... set_robust_list resumed>) = 0 [pid 5004] close(3 [pid 8227] memfd_create("syzkaller", 0 [pid 8226] <... clone resumed>, parent_tid=[8228], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8228 [pid 8227] <... memfd_create resumed>) = 3 [pid 8226] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 8227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8226] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8227] <... mmap resumed>) = 0x7fe58005a000 [pid 8226] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8229 ./strace-static-x86_64: Process 8228 attached [pid 8228] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8228] memfd_create("syzkaller", 0) = 3 ./strace-static-x86_64: Process 8229 attached [pid 8228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8229] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8229] chdir("./189") = 0 [pid 8229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8229] setpgid(0, 0) = 0 [pid 8229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8229] write(3, "1000", 4 [pid 8223] <... write resumed>) = 4194304 [pid 8229] <... write resumed>) = 4 [pid 8223] munmap(0x7fe58005a000, 4194304 [pid 8229] close(3) = 0 [pid 8229] symlink("/dev/binderfs", "./binderfs" [pid 8223] <... munmap resumed>) = 0 [pid 8229] <... symlink resumed>) = 0 [pid 8223] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8229] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8223] <... openat resumed>) = 4 [pid 8229] <... futex resumed>) = 0 [pid 8223] ioctl(4, LOOP_SET_FD, 3 [pid 8229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8229] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8229] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8230], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8230 [pid 8229] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8229] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8230 attached [pid 8230] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8230] memfd_create("syzkaller", 0) = 3 [pid 8223] <... ioctl resumed>) = 0 [pid 8230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8223] close(3 [pid 8230] <... mmap resumed>) = 0x7fe58005a000 [pid 8223] <... close resumed>) = 0 [pid 8223] mkdir("./bus", 0777) = 0 [pid 8223] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 255.970629][ T8223] loop5: detected capacity change from 0 to 8192 [pid 8227] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 256.011647][ T8223] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 256.027797][ T8223] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 8228] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8230] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8228] <... write resumed>) = 4194304 [ 256.055724][ T8223] REISERFS (device loop5): using ordered data mode [ 256.062662][ T8223] reiserfs: using flush barriers [ 256.071397][ T8223] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8228] munmap(0x7fe58005a000, 4194304) = 0 [pid 8227] <... write resumed>) = 4194304 [pid 8227] munmap(0x7fe58005a000, 4194304) = 0 [pid 8228] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8227] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8228] ioctl(4, LOOP_SET_FD, 3 [pid 8230] <... write resumed>) = 4194304 [ 256.103157][ T8223] REISERFS (device loop5): checking transaction log (loop5) [ 256.122072][ T8223] REISERFS (device loop5): Using r5 hash to sort names [ 256.140106][ T8228] loop2: detected capacity change from 0 to 8192 [pid 8227] ioctl(4, LOOP_SET_FD, 3 [pid 8230] munmap(0x7fe58005a000, 4194304 [pid 8228] <... ioctl resumed>) = 0 [pid 8227] <... ioctl resumed>) = 0 [pid 8227] close(3) = 0 [pid 8227] mkdir("./bus", 0777 [pid 8230] <... munmap resumed>) = 0 [pid 8228] close(3 [pid 8230] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8228] <... close resumed>) = 0 [pid 8227] <... mkdir resumed>) = 0 [pid 8227] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8230] <... openat resumed>) = 4 [pid 8230] ioctl(4, LOOP_SET_FD, 3 [pid 8228] mkdir("./bus", 0777 [pid 8223] <... mount resumed>) = 0 [pid 8228] <... mkdir resumed>) = 0 [pid 8228] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8223] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8223] chdir("./bus") = 0 [pid 8230] <... ioctl resumed>) = 0 [ 256.142736][ T8223] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 256.149249][ T8227] loop4: detected capacity change from 0 to 8192 [ 256.168759][ T8223] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 256.172806][ T8230] loop1: detected capacity change from 0 to 8192 [ 256.185325][ T8227] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8223] ioctl(4, LOOP_CLR_FD [pid 8230] close(3 [pid 8223] <... ioctl resumed>) = 0 [pid 8230] <... close resumed>) = 0 [pid 8223] close(4 [pid 8230] mkdir("./bus", 0777 [pid 8223] <... close resumed>) = 0 [pid 8230] <... mkdir resumed>) = 0 [pid 8223] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8221] <... futex resumed>) = 0 [pid 8230] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8223] mkdir("./file1", 000 [pid 8221] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8223] <... mkdir resumed>) = 0 [pid 8221] <... futex resumed>) = 0 [pid 8223] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8221] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8223] <... futex resumed>) = 0 [pid 8221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8223] mkdir("./bus", 000 [pid 8221] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8223] <... mkdir resumed>) = 0 [pid 8221] <... futex resumed>) = 0 [pid 8223] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8221] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8223] <... futex resumed>) = 0 [pid 8221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8223] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8221] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 256.187494][ T8228] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 256.198648][ T8227] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 256.214891][ T8228] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 256.220729][ T8227] REISERFS (device loop4): using ordered data mode [ 256.231571][ T8228] REISERFS (device loop2): using ordered data mode [ 256.244069][ T8228] reiserfs: using flush barriers [ 256.250000][ T8223] overlayfs: upper fs needs to support d_type. [ 256.250536][ T8228] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 256.268501][ T8223] overlayfs: upper fs does not support tmpfile. [ 256.272920][ T8227] reiserfs: using flush barriers [ 256.279239][ T8230] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 256.286140][ T8223] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8221] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8221] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8221] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8221] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8235], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8235 [pid 8221] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8221] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8235 attached [pid 8235] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8235] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8235] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8223] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8223] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 256.304225][ T8227] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 256.323448][ T8223] overlayfs: failed to resolve './file0': -2 [ 256.333836][ T8228] REISERFS (device loop2): checking transaction log (loop2) [ 256.341718][ T8230] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 256.350243][ T8235] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 256.350894][ T8230] REISERFS (device loop1): using ordered data mode [ 256.367505][ T8228] REISERFS (device loop2): Using r5 hash to sort names [ 256.372277][ T8230] reiserfs: using flush barriers [ 256.380394][ T8228] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 256.385283][ T8227] REISERFS (device loop4): checking transaction log (loop4) [pid 8223] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8235] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8235] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8221] <... futex resumed>) = 0 [pid 8221] exit_group(0 [pid 8223] <... futex resumed>) = ? [pid 8221] <... exit_group resumed>) = ? [pid 8223] +++ exited with 0 +++ [pid 8235] <... futex resumed>) = ? [pid 8235] +++ exited with 0 +++ [pid 8221] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8221, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5008] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 256.404378][ T8230] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 256.407809][ T8228] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 256.421486][ T8230] REISERFS (device loop1): checking transaction log (loop1) [ 256.437837][ T8227] REISERFS (device loop4): Using r5 hash to sort names [ 256.445004][ T8227] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5008] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8227] <... mount resumed>) = 0 [pid 8227] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8227] chdir("./bus") = 0 [pid 8227] ioctl(4, LOOP_CLR_FD) = 0 [pid 8227] close(4 [pid 8228] <... mount resumed>) = 0 [pid 8227] <... close resumed>) = 0 [pid 8227] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8225] <... futex resumed>) = 0 [pid 8228] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8225] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8230] <... mount resumed>) = 0 [pid 8228] <... openat resumed>) = 3 [pid 8225] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8230] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8228] chdir("./bus" [pid 8230] <... openat resumed>) = 3 [pid 8228] <... chdir resumed>) = 0 [pid 8230] chdir("./bus" [pid 8228] ioctl(4, LOOP_CLR_FD [pid 8230] <... chdir resumed>) = 0 [pid 8228] <... ioctl resumed>) = 0 [pid 8230] ioctl(4, LOOP_CLR_FD [pid 8228] close(4 [pid 8230] <... ioctl resumed>) = 0 [pid 8228] <... close resumed>) = 0 [pid 8227] <... futex resumed>) = 1 [pid 8230] close(4 [pid 8228] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8227] mkdir("./file1", 000 [pid 8230] <... close resumed>) = 0 [pid 8228] <... futex resumed>) = 1 [pid 8227] <... mkdir resumed>) = 0 [pid 8226] <... futex resumed>) = 0 [pid 8227] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8226] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8230] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8228] mkdir("./file1", 000 [pid 8227] <... futex resumed>) = 1 [pid 8226] <... futex resumed>) = 0 [pid 8225] <... futex resumed>) = 0 [pid 8228] <... mkdir resumed>) = 0 [pid 8227] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8226] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8225] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8229] <... futex resumed>) = 0 [pid 8230] <... futex resumed>) = 1 [pid 8229] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8228] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8225] <... futex resumed>) = 0 [pid 8230] mkdir("./file1", 000 [pid 8229] <... futex resumed>) = 0 [pid 8228] <... futex resumed>) = 0 [pid 8227] mkdir("./bus", 000 [pid 8226] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8225] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8230] <... mkdir resumed>) = 0 [pid 8229] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8228] mkdir("./bus", 000 [pid 8227] <... mkdir resumed>) = 0 [pid 8226] <... futex resumed>) = 0 [pid 8230] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8228] <... mkdir resumed>) = 0 [pid 8227] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8226] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8230] <... futex resumed>) = 0 [pid 8229] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8228] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8227] <... futex resumed>) = 1 [pid 8226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8225] <... futex resumed>) = 0 [pid 8230] mkdir("./bus", 000 [pid 8229] <... futex resumed>) = 0 [pid 8228] <... futex resumed>) = 0 [pid 8227] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8226] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8225] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8230] <... mkdir resumed>) = 0 [pid 8229] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8228] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8226] <... futex resumed>) = 0 [pid 8225] <... futex resumed>) = 0 [pid 8230] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 256.458645][ T8230] REISERFS (device loop1): Using r5 hash to sort names [ 256.465827][ T8227] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 256.475322][ T8230] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 256.488836][ T8230] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8227] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8226] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8225] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8230] <... futex resumed>) = 0 [pid 8229] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8230] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8229] <... futex resumed>) = 0 [ 256.533321][ T8227] overlayfs: upper fs needs to support d_type. [ 256.533321][ T8228] overlayfs: upper fs needs to support d_type. [ 256.533359][ T8228] overlayfs: upper fs does not support tmpfile. [ 256.539523][ T8227] overlayfs: upper fs does not support tmpfile. [ 256.539994][ T8227] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 256.569415][ T8230] overlayfs: upper fs needs to support d_type. [ 256.575633][ T8227] overlayfs: failed to resolve './file0': -2 [pid 8229] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8227] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... umount2 resumed>) = 0 [pid 8227] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8227] <... futex resumed>) = 1 [pid 8225] <... futex resumed>) = 0 [pid 8227] mkdir(".", 0777 [pid 8225] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8227] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8225] <... futex resumed>) = 0 [pid 8227] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8225] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8226] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8226] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] lstat("./192/bus", [pid 8226] <... futex resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8226] <... mmap resumed>) = 0x7fe580439000 [pid 8226] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8226] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8236], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8236 [pid 8226] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8226] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8228] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8228] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8228] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 256.577288][ T8228] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 256.592505][ T8228] overlayfs: failed to resolve './file0': -2 [ 256.602640][ T8230] overlayfs: upper fs does not support tmpfile. [ 256.623415][ T8230] overlayfs: upper fs does not support RENAME_WHITEOUT. ./strace-static-x86_64: Process 8236 attached [pid 8229] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] openat(AT_FDCWD, "./192/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8236] set_robust_list(0x7fe5804599e0, 24 [pid 8229] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 4 [pid 8227] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8227] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8225] <... futex resumed>) = 0 [pid 8225] exit_group(0) = ? [pid 8227] <... futex resumed>) = ? [pid 8236] <... set_robust_list resumed>) = 0 [pid 8229] <... futex resumed>) = 0 [pid 5008] fstat(4, [pid 8236] mkdir(".", 0777 [pid 8230] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8236] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8229] <... mmap resumed>) = 0x7fe580439000 [pid 5008] getdents64(4, [pid 8236] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8229] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 8229] <... mprotect resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8227] +++ exited with 0 +++ [pid 8225] +++ exited with 0 +++ [pid 5008] close(4 [pid 8229] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... close resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8225, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] rmdir("./192/bus" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] fstat(3, [pid 8229] <... clone resumed>, parent_tid=[8237], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8237 [pid 5008] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 8229] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [ 256.632136][ T8227] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 256.633496][ T8230] overlayfs: failed to resolve './file0': -2 [pid 8229] <... futex resumed>) = 0 [pid 5008] lstat("./192/binderfs", [pid 5007] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8237 attached [pid 8237] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8237] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8237] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8236] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8230] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8229] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8236] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8230] <... futex resumed>) = 0 [pid 5008] unlink("./192/binderfs" [pid 8236] <... futex resumed>) = 1 [pid 8230] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8226] <... futex resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 8236] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8226] exit_group(0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8236] <... futex resumed>) = ? [pid 8228] <... futex resumed>) = ? [pid 8226] <... exit_group resumed>) = ? [pid 8236] +++ exited with 0 +++ [pid 8228] +++ exited with 0 +++ [pid 8226] +++ exited with 0 +++ [pid 5008] close(3) = 0 [pid 5008] rmdir("./192") = 0 [pid 5008] mkdir("./193", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8226, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8238 ./strace-static-x86_64: Process 8238 attached [pid 8237] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 8238] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8238] chdir("./193") = 0 [pid 8238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8238] setpgid(0, 0) = 0 [pid 5005] <... restart_syscall resumed>) = 0 [pid 5005] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8237] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8229] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 8237] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8229] exit_group(0 [pid 5005] fstat(3, [pid 8238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8237] <... futex resumed>) = ? [pid 8230] <... futex resumed>) = ? [pid 8229] <... exit_group resumed>) = ? [pid 8238] <... openat resumed>) = 3 [pid 8237] +++ exited with 0 +++ [pid 8230] +++ exited with 0 +++ [pid 8229] +++ exited with 0 +++ [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8238] write(3, "1000", 4 [pid 5005] getdents64(3, [pid 8238] <... write resumed>) = 4 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8229, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 8238] close(3 [pid 5005] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 8238] <... close resumed>) = 0 [pid 8238] symlink("/dev/binderfs", "./binderfs" [pid 5004] <... restart_syscall resumed>) = 0 [pid 8238] <... symlink resumed>) = 0 [pid 8238] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... umount2 resumed>) = 0 [pid 8238] <... futex resumed>) = 0 [ 256.673752][ T8236] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 256.703921][ T8237] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5004] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8238] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8238] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8239], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8239 [pid 8238] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8238] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... openat resumed>) = 3 [pid 5007] lstat("./190/bus", [pid 5004] fstat(3, [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, [pid 5007] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./190/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8239 attached [pid 8239] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8239] memfd_create("syzkaller", 0) = 3 [pid 8239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] <... openat resumed>) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./190/bus") = 0 [pid 5007] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./190/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./190") = 0 [pid 5007] mkdir("./191", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8240 [pid 5005] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8240 attached [pid 5005] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8240] set_robust_list(0x5555568c85e0, 24 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8240] <... set_robust_list resumed>) = 0 [pid 5005] lstat("./191/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8240] chdir("./191" [pid 5005] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8240] <... chdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./191/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] <... openat resumed>) = 4 [pid 8240] setpgid(0, 0 [pid 5005] fstat(4, [pid 8240] <... setpgid resumed>) = 0 [pid 8240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8240] <... openat resumed>) = 3 [pid 5005] getdents64(4, [pid 8240] write(3, "1000", 4 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8240] <... write resumed>) = 4 [pid 5005] getdents64(4, [pid 8240] close(3 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8240] <... close resumed>) = 0 [pid 5005] close(4 [pid 8240] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... close resumed>) = 0 [pid 8240] <... symlink resumed>) = 0 [pid 8240] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] rmdir("./191/bus" [pid 8240] <... futex resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 8240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8240] <... mmap resumed>) = 0x7fe58845a000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8240] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] lstat("./191/binderfs", [pid 8240] <... mprotect resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8240] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] unlink("./191/binderfs" [pid 8240] <... clone resumed>, parent_tid=[8241], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8241 [pid 5005] <... unlink resumed>) = 0 [pid 8240] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] getdents64(3, [pid 8240] <... futex resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8240] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] close(3) = 0 [pid 5005] rmdir("./191") = 0 [pid 5005] mkdir("./192", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 ./strace-static-x86_64: Process 8241 attached [pid 8241] set_robust_list(0x7fe58847a9e0, 24 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8241] <... set_robust_list resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8242 [pid 8241] memfd_create("syzkaller", 0) = 3 [pid 8241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 8242 attached [pid 8242] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8242] chdir("./192" [pid 8239] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8242] <... chdir resumed>) = 0 [pid 8242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8242] setpgid(0, 0) = 0 [pid 8242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8242] write(3, "1000", 4) = 4 [pid 8242] close(3) = 0 [pid 8242] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8242] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = 0 [pid 8242] <... futex resumed>) = 0 [pid 8242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8242] <... mmap resumed>) = 0x7fe58845a000 [pid 8242] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./189/bus", [pid 8242] <... mprotect resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8242] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] umount2("./189/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8242] <... clone resumed>, parent_tid=[8243], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8243 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8242] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "./189/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8242] <... futex resumed>) = 0 [pid 8242] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 8243 attached [pid 5004] close(4 [pid 8243] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./189/bus") = 0 [pid 5004] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8243] memfd_create("syzkaller", 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./189/binderfs", [pid 8243] <... memfd_create resumed>) = 3 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] unlink("./189/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3 [pid 8243] <... mmap resumed>) = 0x7fe58005a000 [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./189") = 0 [pid 5004] mkdir("./190", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8244 [pid 8241] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 8244 attached [pid 8244] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8244] chdir("./190") = 0 [pid 8244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8244] setpgid(0, 0) = 0 [pid 8244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8244] write(3, "1000", 4) = 4 [pid 8244] close(3) = 0 [pid 8239] <... write resumed>) = 4194304 [pid 8239] munmap(0x7fe58005a000, 4194304 [pid 8244] symlink("/dev/binderfs", "./binderfs" [pid 8239] <... munmap resumed>) = 0 [pid 8244] <... symlink resumed>) = 0 [pid 8244] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8239] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8239] <... openat resumed>) = 4 [pid 8239] ioctl(4, LOOP_SET_FD, 3 [pid 8244] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8239] <... ioctl resumed>) = 0 [pid 8244] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8239] close(3) = 0 [pid 8244] <... clone resumed>, parent_tid=[8245], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8245 [pid 8244] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8239] mkdir("./bus", 0777 [pid 8244] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8239] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 8245 attached [pid 8239] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8245] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8245] memfd_create("syzkaller", 0) = 3 [pid 8245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 256.988989][ T8239] loop5: detected capacity change from 0 to 8192 [ 257.009484][ T8239] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 257.023910][ T8239] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 8243] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8245] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8241] <... write resumed>) = 4194304 [pid 8241] munmap(0x7fe58005a000, 4194304) = 0 [pid 8241] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 257.035078][ T8239] REISERFS (device loop5): using ordered data mode [ 257.042885][ T8239] reiserfs: using flush barriers [ 257.053266][ T8239] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 257.070934][ T8239] REISERFS (device loop5): checking transaction log (loop5) [ 257.080700][ T8239] REISERFS (device loop5): Using r5 hash to sort names [pid 8241] ioctl(4, LOOP_SET_FD, 3 [pid 8239] <... mount resumed>) = 0 [pid 8239] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8239] chdir("./bus" [pid 8241] <... ioctl resumed>) = 0 [pid 8241] close(3) = 0 [pid 8241] mkdir("./bus", 0777 [pid 8239] <... chdir resumed>) = 0 [pid 8239] ioctl(4, LOOP_CLR_FD) = 0 [pid 8239] close(4 [pid 8241] <... mkdir resumed>) = 0 [pid 8241] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8239] <... close resumed>) = 0 [pid 8239] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8238] <... futex resumed>) = 0 [pid 8238] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8238] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8239] mkdir("./file1", 000) = 0 [pid 8239] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8238] <... futex resumed>) = 0 [pid 8238] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8238] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8239] mkdir("./bus", 000) = 0 [pid 8239] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8238] <... futex resumed>) = 0 [pid 8238] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8238] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 257.089732][ T8239] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 257.090079][ T8241] loop4: detected capacity change from 0 to 8192 [ 257.103520][ T8239] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8239] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8243] <... write resumed>) = 4194304 [pid 8243] munmap(0x7fe58005a000, 4194304) = 0 [pid 8243] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8243] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8238] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8238] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [ 257.147961][ T8239] overlayfs: upper fs needs to support d_type. [ 257.158526][ T8241] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 257.162457][ T8239] overlayfs: upper fs does not support tmpfile. [ 257.183556][ T8243] loop2: detected capacity change from 0 to 8192 [ 257.190720][ T8239] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8238] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8238] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8248], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8248 [pid 8243] close(3) = 0 [pid 8243] mkdir("./bus", 0777) = 0 [pid 8243] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8238] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8248 attached [pid 8248] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8248] mkdir(".", 0777 [pid 8238] <... futex resumed>) = 0 [pid 8238] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8248] <... mkdir resumed>) = -1 EEXIST (File exists) [ 257.201514][ T8239] overlayfs: failed to resolve './file0': -2 [ 257.220431][ T8241] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 257.230874][ T8241] REISERFS (device loop4): using ordered data mode [ 257.233249][ T8243] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8248] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8239] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8239] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8239] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8245] <... write resumed>) = 4194304 [pid 8245] munmap(0x7fe58005a000, 4194304 [pid 8248] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8248] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 257.237868][ T8241] reiserfs: using flush barriers [ 257.257785][ T8241] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 257.260126][ T8248] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 257.274961][ T8243] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 8248] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8245] <... munmap resumed>) = 0 [pid 8238] <... futex resumed>) = 0 [pid 8245] openat(AT_FDCWD, "/dev/loop1", O_RDWR [ 257.299507][ T8241] REISERFS (device loop4): checking transaction log (loop4) [ 257.301278][ T8243] REISERFS (device loop2): using ordered data mode [ 257.308378][ T8241] REISERFS (device loop4): Using r5 hash to sort names [ 257.314335][ T8243] reiserfs: using flush barriers [ 257.321317][ T8241] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8238] exit_group(0 [pid 8248] <... futex resumed>) = ? [pid 8245] <... openat resumed>) = 4 [pid 8239] <... futex resumed>) = ? [pid 8238] <... exit_group resumed>) = ? [pid 8248] +++ exited with 0 +++ [pid 8245] ioctl(4, LOOP_SET_FD, 3 [pid 8239] +++ exited with 0 +++ [pid 8238] +++ exited with 0 +++ [pid 8241] <... mount resumed>) = 0 [pid 8241] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8241] chdir("./bus") = 0 [pid 8241] ioctl(4, LOOP_CLR_FD) = 0 [pid 8241] close(4 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8238, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5008] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8245] <... ioctl resumed>) = 0 [pid 8245] close(3) = 0 [pid 8245] mkdir("./bus", 0777 [pid 8241] <... close resumed>) = 0 [pid 8241] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8240] <... futex resumed>) = 0 [pid 8240] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8245] <... mkdir resumed>) = 0 [pid 8240] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8245] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8241] <... futex resumed>) = 1 [ 257.327538][ T8243] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 257.338538][ T8241] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 257.356872][ T8243] REISERFS (device loop2): checking transaction log (loop2) [ 257.371379][ T8245] loop1: detected capacity change from 0 to 8192 [ 257.388261][ T8243] REISERFS (device loop2): Using r5 hash to sort names [pid 8241] mkdir("./file1", 000) = 0 [pid 8241] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8240] <... futex resumed>) = 0 [pid 8241] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8240] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8240] <... futex resumed>) = 0 [pid 8241] mkdir("./bus", 000 [pid 8240] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8241] <... mkdir resumed>) = 0 [pid 8241] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8240] <... futex resumed>) = 0 [pid 8241] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8240] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 257.402586][ T8245] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 257.406021][ T8243] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 257.416640][ T8245] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 257.438098][ T8245] REISERFS (device loop1): using ordered data mode [ 257.440587][ T8241] overlayfs: upper fs needs to support d_type. [pid 8240] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8243] <... mount resumed>) = 0 [ 257.444655][ T8245] reiserfs: using flush barriers [ 257.445803][ T8243] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 257.465202][ T8245] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 257.465416][ T8241] overlayfs: upper fs does not support tmpfile. [ 257.488243][ T8241] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 257.489850][ T8245] REISERFS (device loop1): checking transaction log (loop1) [pid 8243] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8243] chdir("./bus" [pid 8240] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8240] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8240] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8240] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8251], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8251 [pid 8240] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8240] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8243] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 8251 attached [pid 8243] ioctl(4, LOOP_CLR_FD [pid 8241] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8251] set_robust_list(0x7fe5804599e0, 24 [pid 8243] <... ioctl resumed>) = 0 [pid 8241] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8251] <... set_robust_list resumed>) = 0 [pid 8243] close(4 [pid 8241] <... futex resumed>) = 0 [pid 8251] mkdir(".", 0777 [pid 8243] <... close resumed>) = 0 [pid 8241] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... umount2 resumed>) = 0 [pid 8251] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8243] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 257.496678][ T8241] overlayfs: failed to resolve './file0': -2 [pid 8251] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8243] <... futex resumed>) = 1 [pid 8242] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8243] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8242] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] lstat("./193/bus", [pid 8243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8242] <... futex resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8243] mkdir("./file1", 000 [pid 8242] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8243] <... mkdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8243] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./193/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8243] <... futex resumed>) = 1 [pid 8242] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 8243] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8242] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] fstat(4, [pid 8243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8242] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8243] mkdir("./bus", 000 [pid 8242] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] getdents64(4, [pid 8243] <... mkdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8243] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(4, [pid 8243] <... futex resumed>) = 1 [pid 8242] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8243] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8242] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] close(4 [pid 8243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8242] <... futex resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 8243] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8242] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] rmdir("./193/bus") = 0 [pid 5008] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./193/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./193") = 0 [pid 5008] mkdir("./194", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8252 [pid 8251] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8251] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8251] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8252 attached [pid 8252] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8252] chdir("./194") = 0 [pid 8252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8240] <... futex resumed>) = 0 [pid 8252] setpgid(0, 0) = 0 [pid 8240] exit_group(0 [pid 8252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8252] write(3, "1000", 4) = 4 [pid 8252] close(3) = 0 [pid 8252] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8252] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8252] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8251] <... futex resumed>) = ? [pid 8241] <... futex resumed>) = ? [pid 8240] <... exit_group resumed>) = ? [pid 8251] +++ exited with 0 +++ [pid 8252] <... mprotect resumed>) = 0 [pid 8252] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8253], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8253 [pid 8252] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8252] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8253 attached [pid 8253] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8253] memfd_create("syzkaller", 0) = 3 [pid 8253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 257.547022][ T8251] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 257.562426][ T8243] overlayfs: upper fs needs to support d_type. [ 257.568644][ T8243] overlayfs: upper fs does not support tmpfile. [ 257.577632][ T8245] REISERFS (device loop1): Using r5 hash to sort names [pid 8241] +++ exited with 0 +++ [pid 8242] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8242] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8242] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8242] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8254], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8254 [pid 8242] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8242] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8240] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8240, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=27 /* 0.27 s */} --- [pid 5007] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8254 attached [pid 8254] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8254] mkdir(".", 0777) = -1 EEXIST (File exists) [ 257.586345][ T8245] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8254] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8245] <... mount resumed>) = 0 [pid 8245] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8245] chdir("./bus") = 0 [pid 8245] ioctl(4, LOOP_CLR_FD) = 0 [ 257.635913][ T8254] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 257.641937][ T8245] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8245] close(4) = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 8245] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8244] <... futex resumed>) = 0 [pid 5007] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8254] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8245] mkdir("./file1", 000 [pid 8244] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8254] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8245] <... mkdir resumed>) = 0 [pid 8244] <... futex resumed>) = 0 [pid 5007] lstat("./191/bus", [pid 8254] <... futex resumed>) = 1 [pid 8245] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8244] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8242] <... futex resumed>) = 0 [pid 8244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8244] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8244] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8245] <... futex resumed>) = 1 [pid 8244] <... futex resumed>) = 0 [pid 8254] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8245] mkdir("./bus", 000 [pid 8244] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=45000000} [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8245] <... mkdir resumed>) = 0 [pid 5007] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8243] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8245] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8245] <... futex resumed>) = 1 [pid 8244] <... futex resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./191/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8245] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8244] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8244] <... futex resumed>) = 0 [pid 5007] <... openat resumed>) = 4 [pid 8245] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8244] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8243] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] fstat(4, [pid 8253] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8243] <... futex resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 257.686412][ T8243] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 257.696778][ T8243] overlayfs: failed to resolve './file0': -2 [ 257.723222][ T8245] overlayfs: upper fs needs to support d_type. [ 257.730253][ T8245] overlayfs: upper fs does not support tmpfile. [pid 8243] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] getdents64(4, [pid 8242] exit_group(0) = ? [pid 8243] <... futex resumed>) = ? [pid 8254] <... futex resumed>) = ? [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8243] +++ exited with 0 +++ [pid 8254] +++ exited with 0 +++ [pid 8242] +++ exited with 0 +++ [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8242, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5007] close(4 [pid 5005] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... close resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] rmdir("./191/bus" [pid 5005] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... rmdir resumed>) = 0 [pid 5007] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(3, [pid 5007] lstat("./191/binderfs", [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] getdents64(3, [pid 5007] unlink("./191/binderfs" [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] <... unlink resumed>) = 0 [pid 5005] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./191") = 0 [pid 5007] mkdir("./192", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 8244] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5007] <... close resumed>) = 0 [pid 8244] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8244] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8244] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8255], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8255 [pid 8244] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8244] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8255 attached [pid 8255] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8256 [pid 8245] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8245] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8245] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 257.738248][ T8245] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 257.753754][ T8245] overlayfs: failed to resolve './file0': -2 [pid 8255] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8255] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8256 attached [pid 5005] <... umount2 resumed>) = 0 [pid 8256] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5005] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8256] chdir("./192" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8256] <... chdir resumed>) = 0 [pid 5005] lstat("./192/bus", [pid 8256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8256] setpgid(0, 0) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] openat(AT_FDCWD, "./192/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8255] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8256] <... openat resumed>) = 3 [pid 8255] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... openat resumed>) = 4 [pid 5005] fstat(4, [pid 8256] write(3, "1000", 4) = 4 [pid 8255] <... futex resumed>) = 1 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8256] close(3 [pid 5005] getdents64(4, [pid 8256] <... close resumed>) = 0 [pid 8255] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8256] symlink("/dev/binderfs", "./binderfs" [pid 8253] <... write resumed>) = 4194304 [pid 8244] <... futex resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8244] exit_group(0 [pid 8245] <... futex resumed>) = ? [pid 8244] <... exit_group resumed>) = ? [pid 8245] +++ exited with 0 +++ [pid 8255] <... futex resumed>) = ? [pid 5005] getdents64(4, [pid 8253] munmap(0x7fe58005a000, 4194304 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4 [pid 8255] +++ exited with 0 +++ [pid 8244] +++ exited with 0 +++ [pid 5005] <... close resumed>) = 0 [pid 5005] rmdir("./192/bus" [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8244, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 8253] <... munmap resumed>) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 8253] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8253] <... openat resumed>) = 4 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8253] ioctl(4, LOOP_SET_FD, 3 [pid 5004] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, [pid 8253] <... ioctl resumed>) = 0 [pid 8253] close(3) = 0 [pid 8253] mkdir("./bus", 0777 [pid 8256] <... symlink resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8256] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8253] <... mkdir resumed>) = 0 [pid 5005] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8256] <... futex resumed>) = 0 [pid 8253] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] lstat("./192/binderfs", [pid 8256] <... mmap resumed>) = 0x7fe58845a000 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8256] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] unlink("./192/binderfs" [pid 8256] <... mprotect resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 8256] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8256] <... clone resumed>, parent_tid=[8257], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8257 [pid 5005] close(3 [pid 8256] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... close resumed>) = 0 [pid 8256] <... futex resumed>) = 0 [pid 5005] rmdir("./192" [pid 8256] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... rmdir resumed>) = 0 [pid 5005] mkdir("./193", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [ 257.826987][ T8255] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 257.864675][ T8253] loop5: detected capacity change from 0 to 8192 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8258 ./strace-static-x86_64: Process 8257 attached [pid 8257] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8257] memfd_create("syzkaller", 0) = 3 [pid 8257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 8258 attached [pid 8258] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8258] chdir("./193") = 0 [pid 8258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8258] setpgid(0, 0) = 0 [pid 8258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8258] write(3, "1000", 4) = 4 [pid 8258] close(3) = 0 [pid 8258] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8258] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8258] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8258] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8260], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8260 [pid 8257] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8258] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8258] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8260 attached [pid 8260] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8260] memfd_create("syzkaller", 0) = 3 [pid 8260] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 257.930162][ T8253] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8257] <... write resumed>) = 4194304 [pid 8257] munmap(0x7fe58005a000, 4194304) = 0 [pid 8257] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 257.999866][ T8253] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 8257] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8257] close(3) = 0 [pid 8257] mkdir("./bus", 0777) = 0 [pid 8257] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./190/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./190/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./190/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./190/bus") = 0 [pid 5004] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./190/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./190") = 0 [pid 5004] mkdir("./191", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8262 ./strace-static-x86_64: Process 8262 attached [pid 8262] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8262] chdir("./191") = 0 [pid 8262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8262] setpgid(0, 0) = 0 [pid 8262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8262] write(3, "1000", 4) = 4 [pid 8262] close(3) = 0 [pid 8262] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8262] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8262] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8262] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8263], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8263 [pid 8262] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8262] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8263 attached [pid 8263] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8263] memfd_create("syzkaller", 0) = 3 [pid 8263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 258.044119][ T8257] loop4: detected capacity change from 0 to 8192 [ 258.052366][ T8253] REISERFS (device loop5): using ordered data mode [ 258.066486][ T8253] reiserfs: using flush barriers [ 258.090000][ T8257] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.101587][ T8253] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 258.113924][ T8257] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8260] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 8260] munmap(0x7fe58005a000, 4194304) = 0 [pid 8260] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 258.142353][ T8253] REISERFS (device loop5): checking transaction log (loop5) [pid 8260] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8260] close(3) = 0 [pid 8263] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8260] mkdir("./bus", 0777) = 0 [ 258.164891][ T8260] loop2: detected capacity change from 0 to 8192 [ 258.171405][ T8257] REISERFS (device loop4): using ordered data mode [ 258.178593][ T8257] reiserfs: using flush barriers [ 258.184120][ T8253] REISERFS (device loop5): Using r5 hash to sort names [ 258.195388][ T8253] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8260] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8263] <... write resumed>) = 4194304 [ 258.209001][ T8257] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 258.218666][ T8260] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.225483][ T8257] REISERFS (device loop4): checking transaction log (loop4) [ 258.246756][ T8257] REISERFS (device loop4): Using r5 hash to sort names [ 258.253791][ T8253] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8253] <... mount resumed>) = 0 [pid 8263] munmap(0x7fe58005a000, 4194304) = 0 [pid 8263] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8263] ioctl(4, LOOP_SET_FD, 3 [pid 8253] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8253] chdir("./bus") = 0 [pid 8253] ioctl(4, LOOP_CLR_FD) = 0 [pid 8253] close(4) = 0 [pid 8263] <... ioctl resumed>) = 0 [pid 8257] <... mount resumed>) = 0 [pid 8253] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8252] <... futex resumed>) = 0 [pid 8253] mkdir("./file1", 000 [pid 8252] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8253] <... mkdir resumed>) = 0 [pid 8252] <... futex resumed>) = 0 [pid 8253] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8252] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8253] <... futex resumed>) = 0 [pid 8252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8253] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8252] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8252] <... futex resumed>) = 0 [pid 8263] close(3 [pid 8257] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8253] mkdir("./bus", 000 [pid 8252] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8263] <... close resumed>) = 0 [pid 8257] <... openat resumed>) = 3 [pid 8253] <... mkdir resumed>) = 0 [ 258.259953][ T8257] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 258.263993][ T8260] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 258.278750][ T8263] loop1: detected capacity change from 0 to 8192 [ 258.284928][ T8257] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 258.301559][ T8260] REISERFS (device loop2): using ordered data mode [ 258.308862][ T8260] reiserfs: using flush barriers [pid 8253] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8252] <... futex resumed>) = 0 [pid 8253] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8252] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8252] <... futex resumed>) = 0 [pid 8253] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8252] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8263] mkdir("./bus", 0777 [ 258.316295][ T8260] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 258.321750][ T8253] overlayfs: upper fs needs to support d_type. [ 258.333302][ T8260] REISERFS (device loop2): checking transaction log (loop2) [ 258.347035][ T8260] REISERFS (device loop2): Using r5 hash to sort names [pid 8257] chdir("./bus" [pid 8263] <... mkdir resumed>) = 0 [pid 8257] <... chdir resumed>) = 0 [pid 8263] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8257] ioctl(4, LOOP_CLR_FD [pid 8252] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8257] <... ioctl resumed>) = 0 [pid 8252] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8257] close(4 [pid 8252] <... futex resumed>) = 0 [pid 8257] <... close resumed>) = 0 [pid 8252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8257] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8252] <... mmap resumed>) = 0x7fe580439000 [pid 8257] <... futex resumed>) = 1 [pid 8252] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8257] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8252] <... mprotect resumed>) = 0 [pid 8252] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8260] <... mount resumed>) = 0 [pid 8256] <... futex resumed>) = 0 [pid 8252] <... clone resumed>, parent_tid=[8265], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8265 [pid 8252] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8252] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8265 attached [pid 8265] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8260] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8256] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8265] mkdir(".", 0777 [pid 8260] <... openat resumed>) = 3 [pid 8257] <... futex resumed>) = 0 [pid 8256] <... futex resumed>) = 1 [pid 8257] mkdir("./file1", 000 [pid 8265] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8257] <... mkdir resumed>) = 0 [pid 8265] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8257] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8257] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8260] chdir("./bus" [ 258.354445][ T8260] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 258.367555][ T8260] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 258.377739][ T8263] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.390485][ T8253] overlayfs: upper fs does not support tmpfile. [ 258.403735][ T8253] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8256] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8260] <... chdir resumed>) = 0 [pid 8256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8260] ioctl(4, LOOP_CLR_FD [pid 8256] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8265] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8265] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8252] <... futex resumed>) = 0 [pid 8265] <... futex resumed>) = 1 [pid 8265] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8260] <... ioctl resumed>) = 0 [pid 8260] close(4) = 0 [pid 8257] <... futex resumed>) = 0 [pid 8256] <... futex resumed>) = 1 [ 258.413073][ T8265] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 258.424722][ T8263] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 258.433402][ T8253] overlayfs: failed to resolve './file0': -2 [ 258.437809][ T8263] REISERFS (device loop1): using ordered data mode [ 258.450388][ T8263] reiserfs: using flush barriers [pid 8260] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8257] mkdir("./bus", 000 [pid 8256] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8260] <... futex resumed>) = 1 [pid 8258] <... futex resumed>) = 0 [pid 8257] <... mkdir resumed>) = 0 [pid 8260] mkdir("./file1", 000 [pid 8258] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8257] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8260] <... mkdir resumed>) = 0 [pid 8258] <... futex resumed>) = 0 [pid 8257] <... futex resumed>) = 0 [pid 8260] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8258] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8257] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8260] <... futex resumed>) = 0 [pid 8258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8260] mkdir("./bus", 000 [pid 8258] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8260] <... mkdir resumed>) = 0 [pid 8258] <... futex resumed>) = 0 [pid 8260] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8258] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8260] <... futex resumed>) = 0 [pid 8258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8260] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8258] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8258] <... futex resumed>) = 0 [pid 8260] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8258] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8256] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8257] <... futex resumed>) = 0 [pid 8256] <... futex resumed>) = 1 [ 258.457711][ T8263] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 258.464913][ T8260] overlayfs: upper fs needs to support d_type. [ 258.474196][ T8263] REISERFS (device loop1): checking transaction log (loop1) [ 258.490231][ T8260] overlayfs: upper fs does not support tmpfile. [ 258.496851][ T8263] REISERFS (device loop1): Using r5 hash to sort names [ 258.504424][ T8263] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8257] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8256] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8258] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8253] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8258] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8258] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8253] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8258] <... mprotect resumed>) = 0 [pid 8253] <... futex resumed>) = 0 [pid 8252] exit_group(0 [pid 8265] <... futex resumed>) = ? [pid 8258] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8252] <... exit_group resumed>) = ? [pid 8265] +++ exited with 0 +++ [pid 8253] +++ exited with 0 +++ [pid 8252] +++ exited with 0 +++ [pid 8258] <... clone resumed>, parent_tid=[8267], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8267 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8252, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- ./strace-static-x86_64: Process 8267 attached [pid 8260] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8258] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 8258] <... futex resumed>) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 8267] set_robust_list(0x7fe5804599e0, 24 [pid 8260] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8258] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 258.505676][ T8257] overlayfs: upper fs needs to support d_type. [ 258.517575][ T8260] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 258.532643][ T8260] overlayfs: failed to resolve './file0': -2 [ 258.551621][ T8257] overlayfs: upper fs does not support tmpfile. [ 258.558948][ T8257] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5008] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8267] <... set_robust_list resumed>) = 0 [pid 8260] <... futex resumed>) = 0 [pid 8267] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8267] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8260] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8263] <... mount resumed>) = 0 [pid 8257] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8257] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8257] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8263] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8263] chdir("./bus") = 0 [pid 8263] ioctl(4, LOOP_CLR_FD) = 0 [pid 8263] close(4) = 0 [pid 8263] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8262] <... futex resumed>) = 0 [pid 8256] <... futex resumed>) = 0 [pid 8262] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8256] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8262] <... futex resumed>) = 0 [pid 8262] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8257] <... futex resumed>) = 0 [pid 8256] <... futex resumed>) = 1 [pid 8263] <... futex resumed>) = 1 [pid 8263] mkdir("./file1", 000) = 0 [pid 8263] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8262] <... futex resumed>) = 0 [pid 8262] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8262] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8263] <... futex resumed>) = 1 [pid 8257] mkdir(".", 0777 [pid 8256] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8257] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8263] mkdir("./bus", 000) = 0 [pid 8263] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8262] <... futex resumed>) = 0 [pid 8262] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8262] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8263] <... futex resumed>) = 1 [pid 8263] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 258.568608][ T8257] overlayfs: failed to resolve './file0': -2 [ 258.575209][ T8263] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 258.592726][ T8267] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8257] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8267] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8267] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8267] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8262] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8258] <... futex resumed>) = 0 [pid 8262] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8258] exit_group(0 [pid 8262] <... mmap resumed>) = 0x7fe580439000 [pid 8260] <... futex resumed>) = ? [pid 8258] <... exit_group resumed>) = ? [pid 8262] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8260] +++ exited with 0 +++ [pid 8262] <... mprotect resumed>) = 0 [pid 8262] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8268], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8268 [pid 8262] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8262] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8267] <... futex resumed>) = ? [pid 8267] +++ exited with 0 +++ [pid 8258] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8258, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8268 attached [pid 8268] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8268] mkdir(".", 0777) = -1 EEXIST (File exists) [ 258.625055][ T8263] overlayfs: upper fs needs to support d_type. [ 258.626547][ T8257] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 258.641602][ T8263] overlayfs: upper fs does not support tmpfile. [pid 8268] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8257] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./194/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./194/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./194/bus") = 0 [pid 5008] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./194/binderfs" [pid 8257] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... unlink resumed>) = 0 [pid 8256] <... futex resumed>) = 0 [pid 8256] exit_group(0) = ? [pid 8257] <... futex resumed>) = ? [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./194") = 0 [pid 8257] +++ exited with 0 +++ [pid 8256] +++ exited with 0 +++ [pid 5008] mkdir("./195", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 8268] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8268] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8256, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8269 ./strace-static-x86_64: Process 8269 attached [pid 8269] set_robust_list(0x5555568c85e0, 24 [pid 8268] <... futex resumed>) = 1 [pid 5007] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8268] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8262] <... futex resumed>) = 0 [pid 8269] <... set_robust_list resumed>) = 0 [pid 8269] chdir("./195") = 0 [pid 8269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8269] setpgid(0, 0) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5007] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, [pid 8269] write(3, "1000", 4 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8269] <... write resumed>) = 4 [pid 5007] getdents64(3, [pid 8269] close(3) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8269] symlink("/dev/binderfs", "./binderfs" [pid 5007] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8269] <... symlink resumed>) = 0 [pid 8269] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8269] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8269] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8270], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8270 [pid 8269] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8269] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8270 attached [pid 8270] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8270] memfd_create("syzkaller", 0) = 3 [pid 8270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8263] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8263] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8262] exit_group(0 [pid 8268] <... futex resumed>) = ? [pid 8262] <... exit_group resumed>) = ? [pid 8268] +++ exited with 0 +++ [pid 8263] +++ exited with 0 +++ [pid 8262] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8262, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 258.694741][ T8268] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 258.712606][ T8263] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 258.722492][ T8263] overlayfs: failed to resolve './file0': -2 [pid 5004] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8270] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./193/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./193/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./193/bus") = 0 [pid 5005] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./193/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./193") = 0 [pid 5005] mkdir("./194", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8271 [pid 5004] <... umount2 resumed>) = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 5004] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8271 attached [pid 5007] lstat("./192/bus", [pid 5004] lstat("./191/bus", [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./191/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./192/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] openat(AT_FDCWD, "./191/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... openat resumed>) = 4 [pid 5004] <... openat resumed>) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] fstat(4, [pid 5007] getdents64(4, [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, [pid 5004] getdents64(4, [pid 8271] set_robust_list(0x5555568c85e0, 24 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8270] <... write resumed>) = 4194304 [pid 5007] close(4 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8271] <... set_robust_list resumed>) = 0 [pid 8270] munmap(0x7fe58005a000, 4194304 [pid 5007] <... close resumed>) = 0 [pid 5004] getdents64(4, [pid 5007] rmdir("./192/bus") = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8271] chdir("./194" [pid 5007] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] close(4 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8270] <... munmap resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5007] lstat("./192/binderfs", [pid 5004] rmdir("./191/bus" [pid 8271] <... chdir resumed>) = 0 [pid 8270] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] unlink("./192/binderfs" [pid 5004] <... rmdir resumed>) = 0 [pid 8271] <... prctl resumed>) = 0 [pid 8271] setpgid(0, 0 [pid 5007] <... unlink resumed>) = 0 [pid 8271] <... setpgid resumed>) = 0 [pid 5007] getdents64(3, [pid 5004] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] close(3 [pid 5004] lstat("./191/binderfs", [pid 8271] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 8271] write(3, "1000", 4 [pid 5007] rmdir("./192" [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8271] <... write resumed>) = 4 [pid 8271] close(3) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5004] unlink("./191/binderfs" [pid 8270] <... openat resumed>) = 4 [pid 5007] mkdir("./193", 0777 [pid 8271] symlink("/dev/binderfs", "./binderfs" [pid 5004] <... unlink resumed>) = 0 [pid 8271] <... symlink resumed>) = 0 [pid 8271] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8270] ioctl(4, LOOP_SET_FD, 3 [pid 5007] <... mkdir resumed>) = 0 [pid 5004] getdents64(3, [pid 8271] <... futex resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8271] <... mmap resumed>) = 0x7fe58845a000 [pid 8271] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8271] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8272], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8272 [pid 8271] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8271] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8272 attached [pid 8272] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8272] memfd_create("syzkaller", 0) = 3 [pid 8272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] <... openat resumed>) = 3 [pid 5004] close(3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] <... close resumed>) = 0 [pid 5007] close(3 [pid 5004] rmdir("./191" [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... rmdir resumed>) = 0 [pid 5004] mkdir("./192", 0777 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8273 [pid 5004] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8274 ./strace-static-x86_64: Process 8273 attached [pid 8270] <... ioctl resumed>) = 0 [pid 8273] set_robust_list(0x5555568c85e0, 24 [pid 8270] close(3 [pid 8273] <... set_robust_list resumed>) = 0 [pid 8270] <... close resumed>) = 0 [pid 8273] chdir("./193" [pid 8270] mkdir("./bus", 0777 [pid 8273] <... chdir resumed>) = 0 [pid 8273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8273] setpgid(0, 0) = 0 [pid 8273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 8274 attached [pid 8274] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8273] <... openat resumed>) = 3 [pid 8273] write(3, "1000", 4) = 4 [pid 8273] close(3) = 0 [pid 8274] chdir("./192") = 0 [pid 8273] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8273] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8274] <... prctl resumed>) = 0 [pid 8274] setpgid(0, 0 [pid 8273] <... mmap resumed>) = 0x7fe58845a000 [pid 8274] <... setpgid resumed>) = 0 [pid 8273] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8273] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8270] <... mkdir resumed>) = 0 [pid 8274] write(3, "1000", 4) = 4 [pid 8270] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8273] <... clone resumed>, parent_tid=[8275], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8275 [pid 8274] close(3 [pid 8273] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8274] <... close resumed>) = 0 [pid 8274] symlink("/dev/binderfs", "./binderfs" [pid 8273] <... futex resumed>) = 0 [pid 8274] <... symlink resumed>) = 0 [pid 8273] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8274] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 258.935948][ T8270] loop5: detected capacity change from 0 to 8192 [pid 8274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8274] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8274] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8275 attached , parent_tid=[8277], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8277 [pid 8275] set_robust_list(0x7fe58847a9e0, 24 [pid 8274] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8275] <... set_robust_list resumed>) = 0 [pid 8274] <... futex resumed>) = 0 [pid 8275] memfd_create("syzkaller", 0 [pid 8274] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8275] <... memfd_create resumed>) = 3 [pid 8275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8272] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 8277 attached [pid 8277] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8277] memfd_create("syzkaller", 0) = 3 [pid 8277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 258.980592][ T8270] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 259.016803][ T8270] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 8277] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 259.045972][ T8270] REISERFS (device loop5): using ordered data mode [ 259.061696][ T8270] reiserfs: using flush barriers [ 259.071769][ T8270] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8275] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8270] <... mount resumed>) = 0 [pid 8270] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8270] chdir("./bus") = 0 [pid 8270] ioctl(4, LOOP_CLR_FD) = 0 [pid 8270] close(4) = 0 [pid 8270] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8269] <... futex resumed>) = 0 [pid 8269] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8269] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8270] mkdir("./file1", 000) = 0 [pid 8270] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8269] <... futex resumed>) = 0 [pid 8269] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8269] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8270] mkdir("./bus", 000) = 0 [pid 8270] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8269] <... futex resumed>) = 0 [pid 8270] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8269] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8269] <... futex resumed>) = 0 [pid 8270] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 259.089873][ T8270] REISERFS (device loop5): checking transaction log (loop5) [ 259.100618][ T8270] REISERFS (device loop5): Using r5 hash to sort names [ 259.109135][ T8270] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 259.122948][ T8270] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8269] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8272] <... write resumed>) = 4194304 [pid 8272] munmap(0x7fe58005a000, 4194304) = 0 [pid 8272] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8272] ioctl(4, LOOP_SET_FD, 3 [pid 8270] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8270] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8269] <... futex resumed>) = 0 [pid 8270] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8269] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8269] <... futex resumed>) = 0 [pid 8270] mkdir(".", 0777 [pid 8269] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8270] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8277] <... write resumed>) = 4194304 [pid 8270] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 259.151643][ T8270] overlayfs: upper fs needs to support d_type. [ 259.158108][ T8270] overlayfs: upper fs does not support tmpfile. [ 259.165219][ T8270] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 259.173896][ T8270] overlayfs: failed to resolve './file0': -2 [ 259.187220][ T8272] loop2: detected capacity change from 0 to 8192 [pid 8277] munmap(0x7fe58005a000, 4194304) = 0 [pid 8277] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8277] ioctl(4, LOOP_SET_FD, 3 [pid 8275] <... write resumed>) = 4194304 [pid 8272] <... ioctl resumed>) = 0 [pid 8270] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8275] munmap(0x7fe58005a000, 4194304 [pid 8272] close(3 [pid 8270] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8275] <... munmap resumed>) = 0 [pid 8275] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8272] <... close resumed>) = 0 [pid 8270] <... futex resumed>) = 1 [pid 8275] <... openat resumed>) = 4 [pid 8272] mkdir("./bus", 0777 [pid 8270] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8275] ioctl(4, LOOP_SET_FD, 3 [pid 8272] <... mkdir resumed>) = 0 [pid 8277] <... ioctl resumed>) = 0 [pid 8269] <... futex resumed>) = 0 [pid 8277] close(3 [pid 8269] exit_group(0 [pid 8277] <... close resumed>) = 0 [pid 8269] <... exit_group resumed>) = ? [pid 8277] mkdir("./bus", 0777) = 0 [pid 8277] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8275] <... ioctl resumed>) = 0 [pid 8272] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8270] <... futex resumed>) = ? [pid 8275] close(3 [pid 8270] +++ exited with 0 +++ [pid 8269] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8269, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5008] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 259.210969][ T8270] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 259.216219][ T8277] loop1: detected capacity change from 0 to 8192 [ 259.231861][ T8275] loop4: detected capacity change from 0 to 8192 [ 259.241517][ T8277] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5008] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8275] <... close resumed>) = 0 [pid 8275] mkdir("./bus", 0777) = 0 [ 259.243625][ T8272] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 259.260571][ T8277] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 259.268550][ T8272] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 259.277857][ T8277] REISERFS (device loop1): using ordered data mode [ 259.286591][ T8272] REISERFS (device loop2): using ordered data mode [ 259.293679][ T8277] reiserfs: using flush barriers [ 259.299977][ T8272] reiserfs: using flush barriers [ 259.313552][ T8272] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 259.316621][ T8277] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 259.330555][ T8272] REISERFS (device loop2): checking transaction log (loop2) [ 259.353875][ T8275] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 259.367566][ T8275] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 259.368242][ T8272] REISERFS (device loop2): Using r5 hash to sort names [ 259.376918][ T8275] REISERFS (device loop4): using ordered data mode [ 259.390408][ T8275] reiserfs: using flush barriers [ 259.397469][ T8275] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8275] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./195/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./195/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./195/bus") = 0 [pid 5008] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./195/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./195") = 0 [pid 5008] mkdir("./196", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 259.414699][ T8277] REISERFS (device loop1): checking transaction log (loop1) [ 259.423234][ T8272] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 259.423370][ T8275] REISERFS (device loop4): checking transaction log (loop4) [ 259.443450][ T8277] REISERFS (device loop1): Using r5 hash to sort names [ 259.451363][ T8277] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8281 ./strace-static-x86_64: Process 8281 attached [pid 8277] <... mount resumed>) = 0 [pid 8277] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8281] set_robust_list(0x5555568c85e0, 24 [pid 8277] <... openat resumed>) = 3 [pid 8281] <... set_robust_list resumed>) = 0 [pid 8277] chdir("./bus" [pid 8281] chdir("./196" [pid 8277] <... chdir resumed>) = 0 [pid 8281] <... chdir resumed>) = 0 [pid 8277] ioctl(4, LOOP_CLR_FD [pid 8272] <... mount resumed>) = 0 [pid 8281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8277] <... ioctl resumed>) = 0 [pid 8281] <... prctl resumed>) = 0 [pid 8277] close(4 [pid 8272] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8281] setpgid(0, 0 [pid 8277] <... close resumed>) = 0 [pid 8281] <... setpgid resumed>) = 0 [pid 8277] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8277] <... futex resumed>) = 1 [pid 8274] <... futex resumed>) = 0 [pid 8272] <... openat resumed>) = 3 [pid 8274] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8274] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8281] <... openat resumed>) = 3 [pid 8277] mkdir("./file1", 000 [pid 8281] write(3, "1000", 4 [pid 8277] <... mkdir resumed>) = 0 [pid 8281] <... write resumed>) = 4 [pid 8277] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8272] chdir("./bus" [pid 8281] close(3 [pid 8277] <... futex resumed>) = 1 [pid 8274] <... futex resumed>) = 0 [pid 8281] <... close resumed>) = 0 [pid 8277] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8274] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8281] symlink("/dev/binderfs", "./binderfs" [pid 8277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8274] <... futex resumed>) = 0 [pid 8281] <... symlink resumed>) = 0 [ 259.464941][ T8277] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 259.474864][ T8272] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 259.487785][ T8275] REISERFS (device loop4): Using r5 hash to sort names [ 259.495446][ T8275] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8277] mkdir("./bus", 000 [pid 8274] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8281] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8275] <... mount resumed>) = 0 [pid 8272] <... chdir resumed>) = 0 [pid 8275] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8272] ioctl(4, LOOP_CLR_FD [pid 8281] <... futex resumed>) = 0 [pid 8277] <... mkdir resumed>) = 0 [pid 8275] <... openat resumed>) = 3 [pid 8272] <... ioctl resumed>) = 0 [pid 8281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8277] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8275] chdir("./bus" [pid 8272] close(4 [pid 8281] <... mmap resumed>) = 0x7fe58845a000 [pid 8277] <... futex resumed>) = 1 [pid 8275] <... chdir resumed>) = 0 [pid 8274] <... futex resumed>) = 0 [pid 8272] <... close resumed>) = 0 [pid 8281] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8277] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8275] ioctl(4, LOOP_CLR_FD [pid 8274] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8272] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8281] <... mprotect resumed>) = 0 [pid 8275] <... ioctl resumed>) = 0 [pid 8274] <... futex resumed>) = 0 [pid 8272] <... futex resumed>) = 1 [pid 8271] <... futex resumed>) = 0 [pid 8277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8275] close(4 [pid 8281] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8272] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8277] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8275] <... close resumed>) = 0 [pid 8274] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8271] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8275] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8272] mkdir("./file1", 000 [pid 8275] <... futex resumed>) = 1 [pid 8273] <... futex resumed>) = 0 [pid 8272] <... mkdir resumed>) = 0 [pid 8271] <... futex resumed>) = 0 [pid 8275] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8273] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8272] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8273] <... futex resumed>) = 0 [pid 8272] <... futex resumed>) = 0 [pid 8275] mkdir("./file1", 000 [pid 8273] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8272] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8275] <... mkdir resumed>) = 0 [pid 8275] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8273] <... futex resumed>) = 0 [pid 8275] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8273] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8273] <... futex resumed>) = 0 [pid 8275] mkdir("./bus", 000 [pid 8273] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8275] <... mkdir resumed>) = 0 [pid 8275] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8273] <... futex resumed>) = 0 [pid 8275] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8273] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8273] <... futex resumed>) = 0 [pid 8275] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8273] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8282 attached [pid 8281] <... clone resumed>, parent_tid=[8282], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8282 [pid 8271] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8281] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8281] <... futex resumed>) = 0 [pid 8271] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8281] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8282] set_robust_list(0x7fe58847a9e0, 24 [pid 8272] <... futex resumed>) = 0 [pid 8271] <... futex resumed>) = 1 [pid 8282] <... set_robust_list resumed>) = 0 [pid 8272] mkdir("./bus", 000 [pid 8271] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8282] memfd_create("syzkaller", 0 [pid 8272] <... mkdir resumed>) = 0 [pid 8282] <... memfd_create resumed>) = 3 [pid 8272] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8282] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8272] <... futex resumed>) = 0 [pid 8282] <... mmap resumed>) = 0x7fe58005a000 [pid 8272] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 259.509263][ T8275] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 259.525101][ T8277] overlayfs: upper fs needs to support d_type. [ 259.529145][ T8275] overlayfs: upper fs needs to support d_type. [ 259.537828][ T8275] overlayfs: upper fs does not support tmpfile. [ 259.546743][ T8277] overlayfs: upper fs does not support tmpfile. [pid 8271] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8272] <... futex resumed>) = 0 [pid 8271] <... futex resumed>) = 1 [pid 8274] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8271] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8272] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8274] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8274] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8273] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8273] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8274] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8273] <... mmap resumed>) = 0x7fe580439000 [pid 8273] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8273] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8284], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8284 [pid 8273] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8273] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8274] <... clone resumed>, parent_tid=[8283], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8283 [pid 8274] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8274] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8283 attached [pid 8283] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8283] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8283] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8284 attached [pid 8284] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8284] mkdir(".", 0777) = -1 EEXIST (File exists) [ 259.562309][ T8275] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 259.562839][ T8277] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 259.571329][ T8275] overlayfs: failed to resolve './file0': -2 [ 259.586828][ T8272] overlayfs: upper fs needs to support d_type. [ 259.592511][ T8277] overlayfs: failed to resolve './file0': -2 [pid 8284] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8271] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8271] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8282] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8277] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8271] <... futex resumed>) = 0 [pid 8271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8277] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8271] <... mmap resumed>) = 0x7fe580439000 [pid 8275] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8277] <... futex resumed>) = 0 [pid 8271] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8277] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8275] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8271] <... mprotect resumed>) = 0 [pid 8275] <... futex resumed>) = 0 [pid 8275] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8271] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8285], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8285 [pid 8271] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 259.628359][ T8283] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 259.643373][ T8284] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 259.644640][ T8272] overlayfs: upper fs does not support tmpfile. [ 259.671937][ T8272] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8271] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8283] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8283] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8284] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8283] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8284] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8273] <... futex resumed>) = 0 [pid 8273] exit_group(0) = ? [pid 8284] <... futex resumed>) = ? [pid 8284] +++ exited with 0 +++ [pid 8274] <... futex resumed>) = 0 [pid 8275] <... futex resumed>) = ? ./strace-static-x86_64: Process 8285 attached [pid 8285] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8285] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8285] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8275] +++ exited with 0 +++ [pid 8273] +++ exited with 0 +++ [pid 8274] exit_group(0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8273, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 8274] <... exit_group resumed>) = ? [pid 8277] <... futex resumed>) = ? [pid 8283] <... futex resumed>) = ? [pid 8283] +++ exited with 0 +++ [pid 8277] +++ exited with 0 +++ [pid 8274] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8274, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5007] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... openat resumed>) = 3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] fstat(3, [pid 5004] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5007] getdents64(3, [pid 5004] fstat(3, [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8282] <... write resumed>) = 4194304 [pid 8282] munmap(0x7fe58005a000, 4194304) = 0 [pid 8282] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 259.704598][ T8285] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8282] ioctl(4, LOOP_SET_FD, 3 [pid 8285] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8285] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8285] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8271] <... futex resumed>) = 0 [pid 8272] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8272] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8271] exit_group(0) = ? [pid 8285] <... futex resumed>) = ? [pid 8285] +++ exited with 0 +++ [pid 8272] +++ exited with 0 +++ [pid 8271] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8271, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./193/bus", [pid 5005] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./193/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] fstat(4, [pid 5005] <... openat resumed>) = 3 [pid 5005] fstat(3, [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, [pid 5007] getdents64(4, [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./193/bus") = 0 [pid 5007] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./193/binderfs", [pid 8282] <... ioctl resumed>) = 0 [pid 8282] close(3) = 0 [pid 8282] mkdir("./bus", 0777) = 0 [pid 8282] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./193/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [ 259.749368][ T8282] loop5: detected capacity change from 0 to 8192 [ 259.757828][ T8272] overlayfs: failed to resolve './file0': -2 [pid 5007] rmdir("./193") = 0 [pid 5007] mkdir("./194", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./192/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./192/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./192/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./192/bus") = 0 [pid 5004] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./192/binderfs", [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8287 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./192/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./192") = 0 [pid 5004] mkdir("./193", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8288 ./strace-static-x86_64: Process 8288 attached [pid 8288] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8288] chdir("./193") = 0 [pid 8288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8288] setpgid(0, 0) = 0 [pid 8288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8288] write(3, "1000", 4) = 4 [pid 8288] close(3) = 0 [pid 8288] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8288] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 8287 attached [pid 8287] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8288] <... mmap resumed>) = 0x7fe58845a000 [pid 8288] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8287] chdir("./194") = 0 [pid 8288] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8287] setpgid(0, 0) = 0 [pid 8288] <... clone resumed>, parent_tid=[8289], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8289 [ 259.816510][ T8282] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8288] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8288] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8287] <... openat resumed>) = 3 [pid 8287] write(3, "1000", 4) = 4 [pid 8287] close(3) = 0 [pid 8287] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 8289 attached [pid 8289] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8289] memfd_create("syzkaller", 0 [pid 8287] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8289] <... memfd_create resumed>) = 3 [pid 8287] <... futex resumed>) = 0 [pid 8289] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8287] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8287] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8290], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8290 ./strace-static-x86_64: Process 8290 attached [pid 8290] set_robust_list(0x7fe58847a9e0, 24 [pid 8287] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8290] <... set_robust_list resumed>) = 0 [pid 8287] <... futex resumed>) = 0 [pid 8287] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8290] memfd_create("syzkaller", 0) = 3 [pid 8290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 259.864326][ T8282] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 259.875169][ T8282] REISERFS (device loop5): using ordered data mode [ 259.882904][ T8282] reiserfs: using flush barriers [ 259.893903][ T8282] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8289] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./194/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./194/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./194/bus") = 0 [pid 5005] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./194/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./194") = 0 [pid 5005] mkdir("./195", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8291 ./strace-static-x86_64: Process 8291 attached [pid 8291] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8291] chdir("./195") = 0 [pid 8291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8291] setpgid(0, 0) = 0 [pid 8291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8291] write(3, "1000", 4) = 4 [pid 8291] close(3) = 0 [pid 8291] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8291] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [ 259.976011][ T8282] REISERFS (device loop5): checking transaction log (loop5) [pid 8291] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8289] <... write resumed>) = 4194304 [pid 8291] <... mprotect resumed>) = 0 [pid 8291] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8292], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8292 [pid 8291] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8291] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8289] munmap(0x7fe58005a000, 4194304./strace-static-x86_64: Process 8292 attached [pid 8292] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8292] memfd_create("syzkaller", 0 [pid 8289] <... munmap resumed>) = 0 [pid 8292] <... memfd_create resumed>) = 3 [pid 8292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8289] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8289] ioctl(4, LOOP_SET_FD, 3 [pid 8290] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8289] <... ioctl resumed>) = 0 [pid 8289] close(3) = 0 [pid 8289] mkdir("./bus", 0777) = 0 [ 260.025984][ T8282] REISERFS (device loop5): Using r5 hash to sort names [ 260.043007][ T8289] loop1: detected capacity change from 0 to 8192 [ 260.046075][ T8282] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8289] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8292] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8282] <... mount resumed>) = 0 [pid 8282] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8282] chdir("./bus") = 0 [pid 8282] ioctl(4, LOOP_CLR_FD) = 0 [pid 8282] close(4) = 0 [ 260.071892][ T8289] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 260.100270][ T8282] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 260.109482][ T8289] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8282] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8282] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8281] <... futex resumed>) = 0 [pid 8281] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8282] <... futex resumed>) = 0 [pid 8281] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8282] mkdir("./file1", 000) = 0 [pid 8282] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8281] <... futex resumed>) = 0 [pid 8281] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8282] mkdir("./bus", 000 [pid 8281] <... futex resumed>) = 0 [pid 8282] <... mkdir resumed>) = 0 [ 260.125774][ T8289] REISERFS (device loop1): using ordered data mode [ 260.134291][ T8289] reiserfs: using flush barriers [ 260.143374][ T8282] overlayfs: upper fs needs to support d_type. [ 260.149861][ T8289] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 260.166459][ T8282] overlayfs: upper fs does not support tmpfile. [pid 8281] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8282] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8282] <... futex resumed>) = 0 [pid 8281] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8282] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8281] <... futex resumed>) = 0 [pid 8281] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8290] <... write resumed>) = 4194304 [pid 8290] munmap(0x7fe58005a000, 4194304) = 0 [pid 8290] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8290] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8290] close(3) = 0 [pid 8290] mkdir("./bus", 0777) = 0 [pid 8290] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8281] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8281] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8281] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8292] <... write resumed>) = 4194304 [pid 8281] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8292] munmap(0x7fe58005a000, 4194304 [pid 8281] <... clone resumed>, parent_tid=[8295], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8295 [pid 8281] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8281] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8295 attached [pid 8295] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8295] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8292] <... munmap resumed>) = 0 [ 260.166709][ T8290] loop4: detected capacity change from 0 to 8192 [pid 8295] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8292] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8292] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8292] close(3) = 0 [pid 8292] mkdir("./bus", 0777) = 0 [ 260.212552][ T8282] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 260.212648][ T8292] loop2: detected capacity change from 0 to 8192 [ 260.227250][ T8290] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 260.230976][ T8282] overlayfs: failed to resolve './file0': -2 [ 260.240754][ T8290] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 260.246958][ T8289] REISERFS (device loop1): checking transaction log (loop1) [pid 8292] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8282] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8282] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 260.260781][ T8290] REISERFS (device loop4): using ordered data mode [ 260.263830][ T8292] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 260.272256][ T8290] reiserfs: using flush barriers [ 260.284812][ T8295] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 260.290211][ T8292] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 8282] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8295] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8295] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8281] <... futex resumed>) = 0 [pid 8295] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8281] exit_group(0) = ? [pid 8282] <... futex resumed>) = ? [pid 8295] <... futex resumed>) = ? [pid 8295] +++ exited with 0 +++ [pid 8282] +++ exited with 0 +++ [pid 8281] +++ exited with 0 +++ [ 260.302662][ T8290] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 260.328981][ T8289] REISERFS (device loop1): Using r5 hash to sort names [ 260.329111][ T8292] REISERFS (device loop2): using ordered data mode [ 260.338753][ T8289] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 260.343283][ T8290] REISERFS (device loop4): checking transaction log (loop4) [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8281, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5008] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8289] <... mount resumed>) = 0 [pid 8289] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8289] chdir("./bus") = 0 [pid 8289] ioctl(4, LOOP_CLR_FD) = 0 [ 260.357020][ T8292] reiserfs: using flush barriers [ 260.363887][ T8290] REISERFS (device loop4): Using r5 hash to sort names [ 260.370943][ T8289] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 260.374782][ T8290] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 260.397576][ T8292] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8289] close(4 [pid 8290] <... mount resumed>) = 0 [pid 8289] <... close resumed>) = 0 [pid 8289] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8289] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8290] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8288] <... futex resumed>) = 0 [pid 8290] <... openat resumed>) = 3 [pid 8288] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8289] <... futex resumed>) = 0 [pid 8288] <... futex resumed>) = 1 [pid 8290] chdir("./bus" [pid 8289] mkdir("./file1", 000 [pid 8288] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8289] <... mkdir resumed>) = 0 [pid 8290] <... chdir resumed>) = 0 [pid 8289] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8288] <... futex resumed>) = 0 [pid 8289] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8288] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8288] <... futex resumed>) = 0 [ 260.397657][ T8290] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 260.423840][ T8292] REISERFS (device loop2): checking transaction log (loop2) [ 260.433707][ T8292] REISERFS (device loop2): Using r5 hash to sort names [ 260.441834][ T8292] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8289] mkdir("./bus", 000 [pid 8288] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8290] ioctl(4, LOOP_CLR_FD [pid 8289] <... mkdir resumed>) = 0 [pid 8290] <... ioctl resumed>) = 0 [pid 8289] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8290] close(4) = 0 [pid 8290] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8289] <... futex resumed>) = 1 [pid 8288] <... futex resumed>) = 0 [pid 8287] <... futex resumed>) = 0 [pid 8290] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 8289] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8288] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8287] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8290] mkdir("./file1", 000 [pid 8288] <... futex resumed>) = 0 [pid 8287] <... futex resumed>) = 0 [pid 8290] <... mkdir resumed>) = 0 [pid 8290] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8287] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8288] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8290] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8287] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8290] <... futex resumed>) = 0 [pid 8287] <... futex resumed>) = 1 [pid 8290] mkdir("./bus", 000 [pid 8287] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8290] <... mkdir resumed>) = 0 [pid 8290] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8287] <... futex resumed>) = 0 [pid 8290] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8287] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8287] <... futex resumed>) = 0 [pid 8290] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8287] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8292] <... mount resumed>) = 0 [pid 8292] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8292] chdir("./bus") = 0 [pid 8292] ioctl(4, LOOP_CLR_FD) = 0 [pid 8292] close(4) = 0 [pid 8292] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8291] <... futex resumed>) = 0 [pid 8291] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8291] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8292] <... futex resumed>) = 1 [pid 8292] mkdir("./file1", 000) = 0 [pid 8292] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8291] <... futex resumed>) = 0 [pid 8292] mkdir("./bus", 000 [pid 8291] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8292] <... mkdir resumed>) = 0 [pid 8291] <... futex resumed>) = 0 [pid 8292] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8291] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8292] <... futex resumed>) = 0 [pid 8291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8292] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8291] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 260.455335][ T8292] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 260.468768][ T8289] overlayfs: upper fs needs to support d_type. [ 260.485587][ T8290] overlayfs: upper fs needs to support d_type. [ 260.499009][ T8290] overlayfs: upper fs does not support tmpfile. [ 260.504886][ T8289] overlayfs: upper fs does not support tmpfile. [pid 8291] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8288] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8288] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8288] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8287] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8291] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8288] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8287] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = 0 [pid 8291] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8287] <... futex resumed>) = 0 [pid 8291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8288] <... clone resumed>, parent_tid=[8297], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8297 [pid 8291] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5008] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8291] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8287] <... mmap resumed>) = 0x7fe580439000 [pid 8288] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8287] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8291] <... clone resumed>, parent_tid=[8298], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8298 [pid 8288] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 260.507567][ T8292] overlayfs: upper fs needs to support d_type. [ 260.520244][ T8290] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 260.534438][ T8292] overlayfs: upper fs does not support tmpfile. [ 260.534948][ T8289] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 260.541614][ T8292] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8291] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8287] <... mprotect resumed>) = 0 [pid 5008] lstat("./196/bus", [pid 8291] <... futex resumed>) = 0 [pid 8287] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8291] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8287] <... clone resumed>, parent_tid=[8299], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8299 [pid 8287] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8287] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8298 attached [pid 5008] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8298] set_robust_list(0x7fe5804599e0, 24 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8298] <... set_robust_list resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./196/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8297 attached [pid 8298] mkdir(".", 0777 [pid 5008] <... openat resumed>) = 4 [pid 8298] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] fstat(4, [pid 8298] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8297] set_robust_list(0x7fe5804599e0, 24 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 8299 attached [pid 8297] <... set_robust_list resumed>) = 0 [pid 5008] getdents64(4, [pid 8299] set_robust_list(0x7fe5804599e0, 24 [pid 8297] mkdir(".", 0777 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8299] <... set_robust_list resumed>) = 0 [pid 8297] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 8299] mkdir(".", 0777 [pid 8297] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] rmdir("./196/bus" [pid 8299] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] <... rmdir resumed>) = 0 [pid 5008] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./196/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 260.564816][ T8290] overlayfs: failed to resolve './file0': -2 [ 260.592662][ T8289] overlayfs: failed to resolve './file0': -2 [pid 5008] unlink("./196/binderfs" [pid 8299] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... unlink resumed>) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./196") = 0 [pid 5008] mkdir("./197", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8300 [pid 8290] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8290] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8290] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8300 attached [pid 8300] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8300] chdir("./197") = 0 [pid 8300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8300] setpgid(0, 0) = 0 [pid 8300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8300] write(3, "1000", 4) = 4 [pid 8300] close(3) = 0 [pid 8300] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8300] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8300] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8300] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8301], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8301 [pid 8300] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8300] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8298] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8298] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8291] <... futex resumed>) = 0 [pid 8298] <... futex resumed>) = 1 [pid 8298] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8292] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8292] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8291] exit_group(0) = ? [pid 8298] <... futex resumed>) = ? [pid 8298] +++ exited with 0 +++ [pid 8292] +++ exited with 0 +++ [pid 8291] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8291, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5005] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, ./strace-static-x86_64: Process 8301 attached 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8301] set_robust_list(0x7fe58847a9e0, 24 [pid 5005] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8301] <... set_robust_list resumed>) = 0 [pid 8301] memfd_create("syzkaller", 0) = 3 [pid 8299] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8297] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8299] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8297] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8301] <... mmap resumed>) = 0x7fe58005a000 [pid 8299] <... futex resumed>) = 1 [pid 8297] <... futex resumed>) = 1 [pid 8288] <... futex resumed>) = 0 [pid 8287] <... futex resumed>) = 0 [pid 8299] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8297] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8289] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8287] exit_group(0 [pid 8299] <... futex resumed>) = ? [pid 8290] <... futex resumed>) = ? [pid 8289] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8287] <... exit_group resumed>) = ? [pid 8299] +++ exited with 0 +++ [pid 8290] +++ exited with 0 +++ [pid 8289] <... futex resumed>) = 0 [pid 8288] exit_group(0 [pid 8297] <... futex resumed>) = ? [pid 8288] <... exit_group resumed>) = ? [pid 8287] +++ exited with 0 +++ [pid 8297] +++ exited with 0 +++ [ 260.603096][ T8298] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 260.606240][ T8297] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 260.633025][ T8292] overlayfs: failed to resolve './file0': -2 [ 260.644988][ T8299] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8287, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 8289] +++ exited with 0 +++ [pid 8288] +++ exited with 0 +++ [pid 5007] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8288, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5007] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, [pid 5004] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5004] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] <... openat resumed>) = 3 [pid 5007] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./195/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./195/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 8301] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5005] rmdir("./195/bus") = 0 [pid 5005] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./195/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./195") = 0 [pid 5005] mkdir("./196", 0777 [pid 5004] <... umount2 resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8302 ./strace-static-x86_64: Process 8302 attached [pid 8302] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8302] chdir("./196") = 0 [pid 8302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8302] setpgid(0, 0) = 0 [pid 8302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5004] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8302] write(3, "1000", 4 [pid 5007] <... umount2 resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8302] <... write resumed>) = 4 [pid 5004] lstat("./193/bus", [pid 8302] close(3 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8302] <... close resumed>) = 0 [pid 5007] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./193/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8302] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8302] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] lstat("./194/bus", [pid 5004] openat(AT_FDCWD, "./193/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8302] <... futex resumed>) = 0 [pid 8302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... openat resumed>) = 4 [pid 8302] <... mmap resumed>) = 0x7fe58845a000 [pid 5007] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] fstat(4, [pid 8302] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8302] <... mprotect resumed>) = 0 [pid 8301] <... write resumed>) = 4194304 [pid 5007] openat(AT_FDCWD, "./194/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] getdents64(4, [pid 5007] <... openat resumed>) = 4 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] fstat(4, [pid 5004] getdents64(4, [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8302] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8301] munmap(0x7fe58005a000, 4194304 [pid 5007] getdents64(4, [pid 5004] close(4 [pid 8301] <... munmap resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... close resumed>) = 0 [pid 8302] <... clone resumed>, parent_tid=[8303], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8303 [pid 5007] getdents64(4, [pid 5004] rmdir("./193/bus" [pid 8302] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 8303 attached [pid 8302] <... futex resumed>) = 0 [pid 8301] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5007] close(4 [pid 5004] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8302] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... close resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8301] <... openat resumed>) = 4 [pid 5007] rmdir("./194/bus" [pid 5004] lstat("./193/binderfs", [pid 8301] ioctl(4, LOOP_SET_FD, 3 [pid 5007] <... rmdir resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8303] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] unlink("./193/binderfs" [pid 8303] <... set_robust_list resumed>) = 0 [pid 8301] <... ioctl resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... unlink resumed>) = 0 [pid 8303] memfd_create("syzkaller", 0 [pid 8301] close(3 [pid 5007] lstat("./194/binderfs", [pid 5004] getdents64(3, [pid 8303] <... memfd_create resumed>) = 3 [pid 8301] <... close resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8301] mkdir("./bus", 0777 [pid 5007] unlink("./194/binderfs" [pid 5004] close(3 [pid 8303] <... mmap resumed>) = 0x7fe58005a000 [pid 8301] <... mkdir resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 8301] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5007] getdents64(3, [pid 5004] rmdir("./193" [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5007] close(3 [pid 5004] mkdir("./194", 0777 [pid 5007] <... close resumed>) = 0 [pid 5004] <... mkdir resumed>) = 0 [pid 5007] rmdir("./194" [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5007] <... rmdir resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5007] mkdir("./195", 0777 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5007] <... mkdir resumed>) = 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] close(3 [pid 5007] <... openat resumed>) = 3 [pid 5004] <... close resumed>) = 0 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8305 [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8306 ./strace-static-x86_64: Process 8305 attached [pid 8305] set_robust_list(0x5555568c85e0, 24./strace-static-x86_64: Process 8306 attached [pid 8306] set_robust_list(0x5555568c85e0, 24 [pid 8305] <... set_robust_list resumed>) = 0 [pid 8306] <... set_robust_list resumed>) = 0 [pid 8305] chdir("./194" [pid 8306] chdir("./195" [pid 8305] <... chdir resumed>) = 0 [pid 8306] <... chdir resumed>) = 0 [pid 8305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8305] <... prctl resumed>) = 0 [pid 8306] <... prctl resumed>) = 0 [pid 8305] setpgid(0, 0 [pid 8306] setpgid(0, 0 [pid 8305] <... setpgid resumed>) = 0 [pid 8306] <... setpgid resumed>) = 0 [pid 8305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8305] <... openat resumed>) = 3 [pid 8306] <... openat resumed>) = 3 [pid 8305] write(3, "1000", 4 [pid 8306] write(3, "1000", 4 [pid 8305] <... write resumed>) = 4 [pid 8306] <... write resumed>) = 4 [pid 8305] close(3 [pid 8306] close(3 [pid 8305] <... close resumed>) = 0 [ 260.871389][ T8301] loop5: detected capacity change from 0 to 8192 [ 260.901691][ T8301] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8306] <... close resumed>) = 0 [pid 8305] symlink("/dev/binderfs", "./binderfs" [pid 8306] symlink("/dev/binderfs", "./binderfs" [pid 8305] <... symlink resumed>) = 0 [pid 8306] <... symlink resumed>) = 0 [pid 8305] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8306] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8305] <... futex resumed>) = 0 [pid 8306] <... futex resumed>) = 0 [pid 8305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8305] <... mmap resumed>) = 0x7fe58845a000 [pid 8306] <... mmap resumed>) = 0x7fe58845a000 [pid 8305] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8306] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8305] <... mprotect resumed>) = 0 [pid 8306] <... mprotect resumed>) = 0 [pid 8305] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8306] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8305] <... clone resumed>, parent_tid=[8307], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8307 [pid 8306] <... clone resumed>, parent_tid=[8308], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8308 [pid 8305] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8306] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8305] <... futex resumed>) = 0 [pid 8306] <... futex resumed>) = 0 [pid 8305] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8306] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8308 attached [pid 8308] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8308] memfd_create("syzkaller", 0) = 3 [pid 8308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 8307 attached ) = 0x7fe58005a000 [pid 8307] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8307] memfd_create("syzkaller", 0) = 3 [pid 8307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 260.963174][ T8301] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 260.998593][ T8301] REISERFS (device loop5): using ordered data mode [pid 8303] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 261.045349][ T8301] reiserfs: using flush barriers [pid 8308] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 261.079998][ T8301] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 261.133726][ T8301] REISERFS (device loop5): checking transaction log (loop5) [ 261.151813][ T8301] REISERFS (device loop5): Using r5 hash to sort names [ 261.171469][ T8301] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8307] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8303] <... write resumed>) = 4194304 [pid 8303] munmap(0x7fe58005a000, 4194304) = 0 [pid 8303] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8303] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8303] close(3) = 0 [pid 8303] mkdir("./bus", 0777 [pid 8308] <... write resumed>) = 4194304 [pid 8307] <... write resumed>) = 4194304 [pid 8303] <... mkdir resumed>) = 0 [pid 8301] <... mount resumed>) = 0 [pid 8308] munmap(0x7fe58005a000, 4194304 [pid 8307] munmap(0x7fe58005a000, 4194304 [pid 8303] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8308] <... munmap resumed>) = 0 [pid 8307] <... munmap resumed>) = 0 [pid 8301] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8308] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8301] <... openat resumed>) = 3 [pid 8308] <... openat resumed>) = 4 [pid 8307] <... openat resumed>) = 4 [pid 8301] chdir("./bus" [pid 8308] ioctl(4, LOOP_SET_FD, 3 [pid 8307] ioctl(4, LOOP_SET_FD, 3 [pid 8301] <... chdir resumed>) = 0 [pid 8307] <... ioctl resumed>) = 0 [ 261.209278][ T8303] loop2: detected capacity change from 0 to 8192 [ 261.212761][ T8301] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 261.245093][ T8308] loop4: detected capacity change from 0 to 8192 [ 261.251839][ T8307] loop1: detected capacity change from 0 to 8192 [pid 8301] ioctl(4, LOOP_CLR_FD) = 0 [pid 8301] close(4) = 0 [pid 8301] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8308] <... ioctl resumed>) = 0 [pid 8301] <... futex resumed>) = 1 [pid 8300] <... futex resumed>) = 0 [pid 8308] close(3 [pid 8307] close(3 [pid 8301] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8300] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8308] <... close resumed>) = 0 [pid 8307] <... close resumed>) = 0 [pid 8301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8300] <... futex resumed>) = 0 [pid 8308] mkdir("./bus", 0777 [pid 8307] mkdir("./bus", 0777 [pid 8301] mkdir("./file1", 000 [pid 8300] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8308] <... mkdir resumed>) = 0 [pid 8307] <... mkdir resumed>) = 0 [pid 8301] <... mkdir resumed>) = 0 [pid 8308] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8307] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8301] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8300] <... futex resumed>) = 0 [pid 8301] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8300] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8300] <... futex resumed>) = 0 [pid 8301] mkdir("./bus", 000 [pid 8300] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8301] <... mkdir resumed>) = 0 [pid 8301] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8300] <... futex resumed>) = 0 [pid 8301] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8300] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8300] <... futex resumed>) = 0 [pid 8301] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 261.259052][ T8303] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 261.294252][ T8301] overlayfs: upper fs needs to support d_type. [ 261.300469][ T8301] overlayfs: upper fs does not support tmpfile. [ 261.312666][ T8308] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 261.326953][ T8303] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 261.331571][ T8307] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 261.336545][ T8303] REISERFS (device loop2): using ordered data mode [ 261.356151][ T8303] reiserfs: using flush barriers [pid 8300] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8300] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 261.361224][ T8308] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 261.370692][ T8308] REISERFS (device loop4): using ordered data mode [ 261.377450][ T8308] reiserfs: using flush barriers [ 261.383806][ T8308] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 261.393129][ T8301] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8300] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8300] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8312], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8312 [pid 8300] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8300] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8312 attached [pid 8312] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8312] mkdir(".", 0777) = -1 EEXIST (File exists) [ 261.400350][ T8308] REISERFS (device loop4): checking transaction log (loop4) [ 261.414946][ T8307] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 261.417849][ T8303] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 261.425953][ T8301] overlayfs: failed to resolve './file0': -2 [ 261.447610][ T8308] REISERFS (device loop4): Using r5 hash to sort names [ 261.455266][ T8303] REISERFS (device loop2): checking transaction log (loop2) [pid 8312] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8301] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 261.462905][ T8308] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 261.468645][ T8312] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 261.476269][ T8308] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 261.491666][ T8307] REISERFS (device loop1): using ordered data mode [ 261.500198][ T8303] REISERFS (device loop2): Using r5 hash to sort names [pid 8301] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8308] <... mount resumed>) = 0 [pid 8301] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8312] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8308] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8303] <... mount resumed>) = 0 [pid 8308] <... openat resumed>) = 3 [pid 8308] chdir("./bus") = 0 [pid 8308] ioctl(4, LOOP_CLR_FD) = 0 [pid 8308] close(4) = 0 [pid 8308] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8306] <... futex resumed>) = 0 [pid 8308] mkdir("./file1", 000 [pid 8306] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8308] <... mkdir resumed>) = 0 [pid 8306] <... futex resumed>) = 0 [pid 8308] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8306] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8303] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8308] <... futex resumed>) = 0 [pid 8306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8303] <... openat resumed>) = 3 [pid 8312] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8308] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8306] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8303] chdir("./bus" [pid 8308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 261.513323][ T8303] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 261.526845][ T8303] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 261.529628][ T8307] reiserfs: using flush barriers [ 261.542555][ T8307] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8306] <... futex resumed>) = 0 [pid 8303] <... chdir resumed>) = 0 [pid 8308] mkdir("./bus", 000 [pid 8306] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8303] ioctl(4, LOOP_CLR_FD [pid 8308] <... mkdir resumed>) = 0 [pid 8303] <... ioctl resumed>) = 0 [pid 8308] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8303] close(4 [pid 8300] <... futex resumed>) = 0 [pid 8300] exit_group(0) = ? [pid 8312] <... futex resumed>) = ? [pid 8312] +++ exited with 0 +++ [pid 8308] <... futex resumed>) = 1 [pid 8301] <... futex resumed>) = ? [pid 8306] <... futex resumed>) = 0 [pid 8301] +++ exited with 0 +++ [pid 8300] +++ exited with 0 +++ [pid 8306] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8308] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8303] <... close resumed>) = 0 [pid 8306] <... futex resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8300, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 8303] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8306] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8303] <... futex resumed>) = 1 [pid 8302] <... futex resumed>) = 0 [pid 5008] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8302] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8302] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8303] mkdir("./file1", 000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8303] <... mkdir resumed>) = 0 [ 261.560136][ T8307] REISERFS (device loop1): checking transaction log (loop1) [ 261.569798][ T8307] REISERFS (device loop1): Using r5 hash to sort names [ 261.579760][ T8307] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 261.594052][ T8308] overlayfs: upper fs needs to support d_type. [ 261.600561][ T8308] overlayfs: upper fs does not support tmpfile. [pid 5008] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8303] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8302] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 8302] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8302] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8303] mkdir("./bus", 000 [pid 8307] <... mount resumed>) = 0 [pid 5008] fstat(3, [pid 8303] <... mkdir resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8307] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8303] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(3, [pid 8307] chdir("./bus" [pid 8303] <... futex resumed>) = 1 [pid 8302] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8307] <... chdir resumed>) = 0 [pid 8303] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8302] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8307] ioctl(4, LOOP_CLR_FD [pid 8303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8302] <... futex resumed>) = 0 [pid 8307] <... ioctl resumed>) = 0 [pid 8303] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8302] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8307] close(4) = 0 [pid 8307] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8305] <... futex resumed>) = 0 [pid 8307] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8305] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8305] <... futex resumed>) = 0 [pid 8307] mkdir("./file1", 000 [pid 8305] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8307] <... mkdir resumed>) = 0 [pid 8306] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8307] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [ 261.607770][ T8307] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 261.617922][ T8308] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 261.628731][ T8308] overlayfs: failed to resolve './file0': -2 [ 261.639437][ T8303] overlayfs: upper fs needs to support d_type. [ 261.648409][ T8303] overlayfs: upper fs does not support tmpfile. [pid 8306] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8307] <... futex resumed>) = 1 [pid 8306] <... futex resumed>) = 0 [pid 8305] <... futex resumed>) = 0 [pid 8307] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8305] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8306] <... mmap resumed>) = 0x7fe580439000 [pid 8305] <... futex resumed>) = 0 [pid 8308] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8307] mkdir("./bus", 000 [pid 8305] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8308] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8307] <... mkdir resumed>) = 0 [pid 8306] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8308] <... futex resumed>) = 0 [pid 8307] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8306] <... mprotect resumed>) = 0 [pid 8308] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8307] <... futex resumed>) = 1 [pid 8305] <... futex resumed>) = 0 [pid 8307] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8306] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8305] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8305] <... futex resumed>) = 0 [pid 8307] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8306] <... clone resumed>, parent_tid=[8313], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8313 [pid 8305] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8306] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8306] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8302] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8302] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 8313 attached ) = 0 [pid 8313] set_robust_list(0x7fe5804599e0, 24 [pid 8302] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8313] <... set_robust_list resumed>) = 0 [pid 8313] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8313] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8314 attached [pid 8314] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8314] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8302] <... clone resumed>, parent_tid=[8314], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8314 [pid 8302] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8314] <... futex resumed>) = 0 [pid 8314] mkdir(".", 0777) = -1 EEXIST (File exists) [ 261.659976][ T8303] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 261.668745][ T8303] overlayfs: failed to resolve './file0': -2 [ 261.684173][ T8307] overlayfs: upper fs needs to support d_type. [ 261.697573][ T8307] overlayfs: upper fs does not support tmpfile. [pid 8314] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8302] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8305] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8305] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8305] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8305] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8315], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8315 [pid 8305] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8305] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8315 attached [pid 8313] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8315] set_robust_list(0x7fe5804599e0, 24 [pid 8313] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8315] <... set_robust_list resumed>) = 0 [pid 8313] <... futex resumed>) = 1 [pid 8306] <... futex resumed>) = 0 [pid 8315] mkdir(".", 0777 [pid 8313] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8306] exit_group(0 [pid 8315] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8308] <... futex resumed>) = ? [pid 8306] <... exit_group resumed>) = ? [pid 8313] <... futex resumed>) = ? [pid 8308] +++ exited with 0 +++ [pid 8313] +++ exited with 0 +++ [pid 8315] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8306] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8306, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 261.709082][ T8307] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 261.719805][ T8313] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 261.719826][ T8307] overlayfs: failed to resolve './file0': -2 [ 261.737963][ T8314] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5007] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8315] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8314] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8303] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8314] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8303] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8315] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8314] <... futex resumed>) = 1 [pid 8303] <... futex resumed>) = 0 [pid 8302] <... futex resumed>) = 0 [pid 8315] <... futex resumed>) = 1 [pid 8305] <... futex resumed>) = 0 [pid 8302] exit_group(0) = ? [pid 8315] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8314] +++ exited with 0 +++ [pid 8303] +++ exited with 0 +++ [pid 8302] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8302, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5005] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./197/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8307] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8307] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./197/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8307] <... futex resumed>) = 0 [pid 8305] exit_group(0 [pid 5008] <... openat resumed>) = 4 [pid 8305] <... exit_group resumed>) = ? [pid 5008] fstat(4, [pid 8315] <... futex resumed>) = ? [pid 8307] +++ exited with 0 +++ [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 261.779068][ T8315] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] getdents64(4, [pid 8315] +++ exited with 0 +++ [pid 8305] +++ exited with 0 +++ [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8305, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./197/bus") = 0 [pid 5008] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./197/binderfs", [pid 5004] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] unlink("./197/binderfs" [pid 5004] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... unlink resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5008] getdents64(3, [pid 5004] fstat(3, [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] close(3 [pid 5004] getdents64(3, [pid 5008] <... close resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] rmdir("./197" [pid 5004] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... rmdir resumed>) = 0 [pid 5008] mkdir("./198", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8316 ./strace-static-x86_64: Process 8316 attached [pid 8316] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8316] chdir("./198") = 0 [pid 8316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8316] setpgid(0, 0) = 0 [pid 8316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8316] write(3, "1000", 4) = 4 [pid 8316] close(3) = 0 [pid 8316] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8316] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8316] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8316] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8317], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8317 [pid 8316] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8316] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8317 attached [pid 8317] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8317] memfd_create("syzkaller", 0) = 3 [pid 8317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./194/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./194/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./194/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./194/bus") = 0 [pid 5004] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./194/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3 [pid 8317] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./194") = 0 [pid 5004] mkdir("./195", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8318 [pid 5007] lstat("./195/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./195/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./195/bus") = 0 [pid 5007] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] lstat("./195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./195/binderfs") = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 ./strace-static-x86_64: Process 8318 attached [pid 5005] lstat("./196/bus", [pid 8318] set_robust_list(0x5555568c85e0, 24 [pid 5007] rmdir("./195" [pid 8318] <... set_robust_list resumed>) = 0 [pid 8318] chdir("./195" [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8318] <... chdir resumed>) = 0 [pid 5007] mkdir("./196", 0777 [pid 8318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8318] setpgid(0, 0) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8318] <... openat resumed>) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 8318] write(3, "1000", 4 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8318] <... write resumed>) = 4 [pid 5007] close(3 [pid 8318] close(3 [pid 5007] <... close resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./196/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8318] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8318] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... openat resumed>) = 4 [pid 8318] <... symlink resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8319 [pid 8318] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8318] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8318] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] fstat(4, [pid 8318] <... clone resumed>, parent_tid=[8320], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8320 [pid 8318] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8318] <... futex resumed>) = 0 [pid 8318] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 ./strace-static-x86_64: Process 8320 attached [pid 5005] rmdir("./196/bus") = 0 [pid 8320] set_robust_list(0x7fe58847a9e0, 24 [pid 5005] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8320] <... set_robust_list resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./196/binderfs", [pid 8320] memfd_create("syzkaller", 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8320] <... memfd_create resumed>) = 3 [pid 8320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] unlink("./196/binderfs" [pid 8320] <... mmap resumed>) = 0x7fe58005a000 [pid 5005] <... unlink resumed>) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./196") = 0 [pid 5005] mkdir("./197", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3./strace-static-x86_64: Process 8319 attached [pid 8317] <... write resumed>) = 4194304 [pid 5005] <... close resumed>) = 0 [pid 8319] set_robust_list(0x5555568c85e0, 24 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8317] munmap(0x7fe58005a000, 4194304 [pid 8319] <... set_robust_list resumed>) = 0 [pid 8319] chdir("./196" [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8321 [pid 8319] <... chdir resumed>) = 0 [pid 8319] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 8321 attached ) = 0 [pid 8317] <... munmap resumed>) = 0 [pid 8321] set_robust_list(0x5555568c85e0, 24 [pid 8319] setpgid(0, 0 [pid 8317] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8321] <... set_robust_list resumed>) = 0 [pid 8319] <... setpgid resumed>) = 0 [pid 8317] <... openat resumed>) = 4 [pid 8319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8317] ioctl(4, LOOP_SET_FD, 3 [pid 8319] <... openat resumed>) = 3 [pid 8319] write(3, "1000", 4 [pid 8321] chdir("./197" [pid 8319] <... write resumed>) = 4 [pid 8317] <... ioctl resumed>) = 0 [pid 8321] <... chdir resumed>) = 0 [pid 8319] close(3 [pid 8317] close(3 [pid 8321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8319] <... close resumed>) = 0 [pid 8317] <... close resumed>) = 0 [pid 8321] <... prctl resumed>) = 0 [pid 8319] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8321] setpgid(0, 0 [pid 8319] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8317] mkdir("./bus", 0777 [pid 8321] <... setpgid resumed>) = 0 [pid 8319] <... futex resumed>) = 0 [pid 8321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8321] <... openat resumed>) = 3 [pid 8319] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8321] write(3, "1000", 4 [pid 8319] <... mprotect resumed>) = 0 [pid 8317] <... mkdir resumed>) = 0 [pid 8321] <... write resumed>) = 4 [pid 8321] close(3 [pid 8319] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8317] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8321] <... close resumed>) = 0 [pid 8321] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8319] <... clone resumed>, parent_tid=[8322], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8322 [pid 8321] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8319] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8321] <... futex resumed>) = 0 [pid 8319] <... futex resumed>) = 0 [pid 8321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8319] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8321] <... mmap resumed>) = 0x7fe58845a000 [pid 8321] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8321] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8324], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8324 [pid 8321] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8321] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8322 attached [pid 8322] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8322] memfd_create("syzkaller", 0) = 3 [pid 8322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 8324 attached [pid 8324] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8324] memfd_create("syzkaller", 0) = 3 [pid 8324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 262.105952][ T8317] loop5: detected capacity change from 0 to 8192 [ 262.128343][ T8317] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 262.154571][ T8317] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 262.176569][ T8317] REISERFS (device loop5): using ordered data mode [ 262.184209][ T8317] reiserfs: using flush barriers [pid 8320] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8322] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 262.193197][ T8317] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8324] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8320] <... write resumed>) = 4194304 [pid 8320] munmap(0x7fe58005a000, 4194304) = 0 [pid 8320] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8320] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8320] close(3) = 0 [pid 8320] mkdir("./bus", 0777) = 0 [ 262.242450][ T8317] REISERFS (device loop5): checking transaction log (loop5) [ 262.253623][ T8317] REISERFS (device loop5): Using r5 hash to sort names [ 262.266848][ T8320] loop1: detected capacity change from 0 to 8192 [ 262.274130][ T8317] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8320] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8324] <... write resumed>) = 4194304 [pid 8324] munmap(0x7fe58005a000, 4194304) = 0 [pid 8324] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8324] ioctl(4, LOOP_SET_FD, 3 [pid 8322] <... write resumed>) = 4194304 [pid 8324] <... ioctl resumed>) = 0 [pid 8324] close(3) = 0 [pid 8324] mkdir("./bus", 0777) = 0 [pid 8324] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8322] munmap(0x7fe58005a000, 4194304) = 0 [pid 8317] <... mount resumed>) = 0 [ 262.300731][ T8320] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 262.309559][ T8324] loop2: detected capacity change from 0 to 8192 [ 262.315911][ T8317] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 262.327563][ T8320] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 262.340264][ T8320] REISERFS (device loop1): using ordered data mode [pid 8322] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8317] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8322] <... openat resumed>) = 4 [pid 8317] <... openat resumed>) = 3 [pid 8322] ioctl(4, LOOP_SET_FD, 3 [pid 8317] chdir("./bus") = 0 [pid 8317] ioctl(4, LOOP_CLR_FD) = 0 [pid 8317] close(4 [pid 8322] <... ioctl resumed>) = 0 [pid 8317] <... close resumed>) = 0 [pid 8317] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8316] <... futex resumed>) = 0 [pid 8317] mkdir("./file1", 000 [pid 8316] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8317] <... mkdir resumed>) = 0 [pid 8316] <... futex resumed>) = 0 [pid 8317] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8316] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8317] <... futex resumed>) = 0 [pid 8316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8317] mkdir("./bus", 000 [pid 8316] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8317] <... mkdir resumed>) = 0 [pid 8316] <... futex resumed>) = 0 [ 262.341815][ T8324] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 262.347384][ T8320] reiserfs: using flush barriers [ 262.360428][ T8324] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 262.367501][ T8322] loop4: detected capacity change from 0 to 8192 [ 262.374150][ T8324] REISERFS (device loop2): using ordered data mode [ 262.387542][ T8324] reiserfs: using flush barriers [pid 8317] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8316] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8317] <... futex resumed>) = 0 [pid 8316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8317] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8316] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8316] <... futex resumed>) = 0 [pid 8317] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8316] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8322] close(3) = 0 [pid 8322] mkdir("./bus", 0777) = 0 [ 262.393857][ T8320] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 262.407717][ T8317] overlayfs: upper fs needs to support d_type. [ 262.411438][ T8320] REISERFS (device loop1): checking transaction log (loop1) [ 262.416683][ T8324] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 262.426662][ T8317] overlayfs: upper fs does not support tmpfile. [pid 8322] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8320] <... mount resumed>) = 0 [pid 8316] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8316] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8316] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8316] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8328], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8328 [pid 8316] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 262.447153][ T8320] REISERFS (device loop1): Using r5 hash to sort names [ 262.452437][ T8317] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 262.454425][ T8320] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 262.468279][ T8317] overlayfs: failed to resolve './file0': -2 [ 262.474275][ T8320] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 262.481590][ T8324] REISERFS (device loop2): checking transaction log (loop2) [pid 8316] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8328 attached [pid 8320] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8317] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8317] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8317] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8328] set_robust_list(0x7fe5804599e0, 24 [pid 8320] <... openat resumed>) = 3 [ 262.489630][ T8322] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 262.501802][ T8324] REISERFS (device loop2): Using r5 hash to sort names [ 262.509921][ T8322] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 262.518171][ T8324] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 262.525863][ T8322] REISERFS (device loop4): using ordered data mode [pid 8328] <... set_robust_list resumed>) = 0 [pid 8320] chdir("./bus" [pid 8328] mkdir(".", 0777 [pid 8320] <... chdir resumed>) = 0 [pid 8328] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8320] ioctl(4, LOOP_CLR_FD [pid 8328] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8320] <... ioctl resumed>) = 0 [pid 8320] close(4) = 0 [pid 8324] <... mount resumed>) = 0 [pid 8324] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8324] chdir("./bus") = 0 [pid 8324] ioctl(4, LOOP_CLR_FD) = 0 [pid 8324] close(4) = 0 [pid 8324] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8321] <... futex resumed>) = 0 [pid 8320] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8324] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8321] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8320] <... futex resumed>) = 1 [pid 8318] <... futex resumed>) = 0 [pid 8321] <... futex resumed>) = 1 [pid 8321] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8320] mkdir("./file1", 000 [pid 8318] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8324] <... futex resumed>) = 0 [pid 8320] <... mkdir resumed>) = 0 [pid 8318] <... futex resumed>) = 0 [pid 8320] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8318] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8320] <... futex resumed>) = 0 [pid 8318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8320] mkdir("./bus", 000 [pid 8318] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8320] <... mkdir resumed>) = 0 [pid 8318] <... futex resumed>) = 0 [pid 8318] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8320] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8318] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8320] <... futex resumed>) = 0 [pid 8318] <... futex resumed>) = 0 [pid 8320] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8318] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8324] mkdir("./file1", 000) = 0 [pid 8324] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8324] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8321] <... futex resumed>) = 0 [pid 8321] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 262.538766][ T8324] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 262.544857][ T8322] reiserfs: using flush barriers [ 262.574727][ T8320] overlayfs: upper fs needs to support d_type. [ 262.583970][ T8322] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8321] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8324] <... futex resumed>) = 0 [pid 8318] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8318] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8324] mkdir("./bus", 000 [pid 8318] <... mmap resumed>) = 0x7fe580439000 [pid 8318] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8318] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8329], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8329 [pid 8318] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8318] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8324] <... mkdir resumed>) = 0 [pid 8324] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8321] <... futex resumed>) = 0 [pid 8321] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8321] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8329 attached [pid 8329] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8329] mkdir(".", 0777) = -1 EEXIST (File exists) [ 262.584443][ T8328] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 262.600638][ T8322] REISERFS (device loop4): checking transaction log (loop4) [ 262.623825][ T8320] overlayfs: upper fs does not support tmpfile. [ 262.632719][ T8322] REISERFS (device loop4): Using r5 hash to sort names [pid 8329] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8324] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8328] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8328] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8316] <... futex resumed>) = 0 [pid 8316] exit_group(0) = ? [pid 8328] <... futex resumed>) = ? [pid 8328] +++ exited with 0 +++ [pid 8317] <... futex resumed>) = ? [pid 8317] +++ exited with 0 +++ [pid 8316] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8316, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5008] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./198/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8321] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 262.640321][ T8322] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 262.658211][ T8324] overlayfs: upper fs needs to support d_type. [ 262.666549][ T8324] overlayfs: upper fs does not support tmpfile. [ 262.673871][ T8324] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 262.677977][ T8329] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 262.682409][ T8324] overlayfs: failed to resolve './file0': -2 [pid 8321] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8321] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8321] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8330 attached , parent_tid=[8330], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8330 [pid 8330] set_robust_list(0x7fe5804599e0, 24 [pid 8322] <... mount resumed>) = 0 [pid 8321] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8329] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8324] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8321] <... futex resumed>) = 0 [pid 8321] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8330] <... set_robust_list resumed>) = 0 [pid 8329] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8324] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8322] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8330] mkdir(".", 0777 [pid 8329] <... futex resumed>) = 1 [pid 8324] <... futex resumed>) = 0 [pid 8322] <... openat resumed>) = 3 [pid 8318] <... futex resumed>) = 0 [pid 8330] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8329] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8324] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8322] chdir("./bus" [pid 8330] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8322] <... chdir resumed>) = 0 [pid 8322] ioctl(4, LOOP_CLR_FD) = 0 [pid 8322] close(4) = 0 [ 262.702073][ T8322] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 262.713887][ T8320] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8322] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8319] <... futex resumed>) = 0 [pid 8322] mkdir("./file1", 000 [pid 8319] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8319] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8322] <... mkdir resumed>) = 0 [pid 8322] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8319] <... futex resumed>) = 0 [pid 8322] mkdir("./bus", 000 [pid 8319] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8322] <... mkdir resumed>) = 0 [pid 8319] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8322] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8319] <... futex resumed>) = 0 [pid 8319] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8322] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8319] <... futex resumed>) = 0 [ 262.752365][ T8330] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 262.764169][ T8320] overlayfs: failed to resolve './file0': -2 [ 262.788334][ T8322] overlayfs: upper fs needs to support d_type. [pid 8319] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8330] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = 0 [pid 8330] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./198/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8330] <... futex resumed>) = 1 [pid 8321] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8330] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8321] exit_group(0 [pid 5008] lstat("./198/bus", [pid 8321] <... exit_group resumed>) = ? [pid 8330] <... futex resumed>) = ? [pid 8324] <... futex resumed>) = ? [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8330] +++ exited with 0 +++ [pid 8320] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8320] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8320] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8324] +++ exited with 0 +++ [pid 8322] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8321] +++ exited with 0 +++ [pid 5008] umount2("./198/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8318] exit_group(0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8321, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 8322] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8329] <... futex resumed>) = ? [pid 8322] <... futex resumed>) = 1 [pid 8320] <... futex resumed>) = ? [pid 8319] <... futex resumed>) = 0 [pid 8318] <... exit_group resumed>) = ? [pid 5008] openat(AT_FDCWD, "./198/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8329] +++ exited with 0 +++ [pid 8322] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8320] +++ exited with 0 +++ [pid 8319] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8318] +++ exited with 0 +++ [pid 5008] <... openat resumed>) = 4 [pid 8322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8319] <... futex resumed>) = 0 [pid 5008] fstat(4, [pid 5005] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8322] mkdir(".", 0777 [pid 8319] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8322] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] getdents64(4, [pid 5005] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8318, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 8322] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] <... openat resumed>) = 3 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5008] getdents64(4, [pid 5005] fstat(3, [pid 5004] <... restart_syscall resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] close(4) = 0 [ 262.801200][ T8322] overlayfs: upper fs does not support tmpfile. [ 262.810737][ T8322] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 262.820017][ T8322] overlayfs: failed to resolve './file0': -2 [pid 5008] rmdir("./198/bus" [pid 5004] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... rmdir resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./198/binderfs") = 0 [pid 5008] getdents64(3, [pid 8322] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8322] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8319] <... futex resumed>) = 0 [pid 8322] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8319] exit_group(0) = ? [pid 8322] <... futex resumed>) = ? [pid 8322] +++ exited with 0 +++ [pid 8319] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8319, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 262.847064][ T8322] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5007] getdents64(3, [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] close(3) = 0 [pid 5007] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] rmdir("./198") = 0 [pid 5008] mkdir("./199", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8331 attached [pid 5004] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8331 [pid 5005] <... umount2 resumed>) = 0 [pid 8331] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5005] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8331] chdir("./199" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./195/bus", [pid 8331] <... chdir resumed>) = 0 [pid 5005] lstat("./197/bus", [pid 8331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8331] <... prctl resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./195/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8331] setpgid(0, 0 [pid 5005] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8331] <... setpgid resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] openat(AT_FDCWD, "./197/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] openat(AT_FDCWD, "./195/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8331] <... openat resumed>) = 3 [pid 5004] <... openat resumed>) = 4 [pid 8331] write(3, "1000", 4 [pid 5004] fstat(4, [pid 8331] <... write resumed>) = 4 [pid 5005] <... openat resumed>) = 4 [pid 8331] close(3 [pid 5005] fstat(4, [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8331] <... close resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8331] symlink("/dev/binderfs", "./binderfs" [pid 5004] getdents64(4, [pid 8331] <... symlink resumed>) = 0 [pid 5005] getdents64(4, [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8331] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, [pid 8331] <... futex resumed>) = 0 [pid 5005] getdents64(4, [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4 [pid 8331] <... mmap resumed>) = 0x7fe58845a000 [pid 5005] close(4 [pid 5004] <... close resumed>) = 0 [pid 8331] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] <... close resumed>) = 0 [pid 5004] rmdir("./195/bus" [pid 8331] <... mprotect resumed>) = 0 [pid 5005] rmdir("./197/bus" [pid 5004] <... rmdir resumed>) = 0 [pid 8331] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8331] <... clone resumed>, parent_tid=[8332], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8332 [pid 5005] <... rmdir resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8331] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] lstat("./195/binderfs", [pid 8331] <... futex resumed>) = 0 [pid 8331] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 8332 attached [pid 5005] lstat("./197/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./197/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5004] unlink("./195/binderfs" [pid 5005] rmdir("./197") = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5005] mkdir("./198", 0777) = 0 [pid 5004] getdents64(3, [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 5005] close(3) = 0 [pid 8332] set_robust_list(0x7fe58847a9e0, 24 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./195" [pid 8332] <... set_robust_list resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8333 [pid 5004] <... rmdir resumed>) = 0 [pid 8332] memfd_create("syzkaller", 0 [pid 5004] mkdir("./196", 0777./strace-static-x86_64: Process 8333 attached [pid 8332] <... memfd_create resumed>) = 3 [pid 5004] <... mkdir resumed>) = 0 [pid 8332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8332] <... mmap resumed>) = 0x7fe58005a000 [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 8333] set_robust_list(0x5555568c85e0, 24 [pid 5004] <... close resumed>) = 0 [pid 8333] <... set_robust_list resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8333] chdir("./198") = 0 [pid 8333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8333] setpgid(0, 0) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8334 [pid 8333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8333] write(3, "1000", 4) = 4 [pid 8333] close(3) = 0 ./strace-static-x86_64: Process 8334 attached [pid 8333] symlink("/dev/binderfs", "./binderfs" [pid 8334] set_robust_list(0x5555568c85e0, 24 [pid 8333] <... symlink resumed>) = 0 [pid 8334] <... set_robust_list resumed>) = 0 [pid 8333] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8334] chdir("./196" [pid 8333] <... futex resumed>) = 0 [pid 8334] <... chdir resumed>) = 0 [pid 8333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8333] <... mmap resumed>) = 0x7fe58845a000 [pid 8334] <... prctl resumed>) = 0 [pid 8333] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8334] setpgid(0, 0 [pid 8333] <... mprotect resumed>) = 0 [pid 8334] <... setpgid resumed>) = 0 [pid 8333] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8333] <... clone resumed>, parent_tid=[8335], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8335 [pid 8333] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8334] <... openat resumed>) = 3 [pid 8333] <... futex resumed>) = 0 [pid 8334] write(3, "1000", 4 [pid 8333] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8334] <... write resumed>) = 4 [pid 8334] close(3) = 0 [pid 8334] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8334] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 ./strace-static-x86_64: Process 8335 attached [pid 8334] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8335] set_robust_list(0x7fe58847a9e0, 24 [pid 8334] <... mprotect resumed>) = 0 [pid 8335] <... set_robust_list resumed>) = 0 [pid 8334] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8335] memfd_create("syzkaller", 0) = 3 [pid 8334] <... clone resumed>, parent_tid=[8336], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8336 [pid 8335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8334] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8335] <... mmap resumed>) = 0x7fe58005a000 [pid 8334] <... futex resumed>) = 0 [pid 8334] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8336 attached [pid 8336] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8336] memfd_create("syzkaller", 0 [pid 5007] <... umount2 resumed>) = 0 [pid 8336] <... memfd_create resumed>) = 3 [pid 5007] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./196/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./196/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./196/bus") = 0 [pid 5007] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./196/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./196/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./196") = 0 [pid 5007] mkdir("./197", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 8332] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8337 ./strace-static-x86_64: Process 8337 attached [pid 8337] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8337] chdir("./197") = 0 [pid 8337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8337] setpgid(0, 0) = 0 [pid 8337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8337] write(3, "1000", 4) = 4 [pid 8337] close(3 [pid 8336] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8337] <... close resumed>) = 0 [pid 8335] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8337] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8337] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8337] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8337] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8338], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8338 [pid 8337] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8337] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8338 attached [pid 8338] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8338] memfd_create("syzkaller", 0) = 3 [pid 8338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8332] <... write resumed>) = 4194304 [pid 8332] munmap(0x7fe58005a000, 4194304) = 0 [pid 8332] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8332] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8332] close(3) = 0 [pid 8332] mkdir("./bus", 0777) = 0 [pid 8332] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8336] <... write resumed>) = 4194304 [pid 8338] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8336] munmap(0x7fe58005a000, 4194304) = 0 [pid 8336] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 263.154947][ T8332] loop5: detected capacity change from 0 to 8192 [ 263.173040][ T8332] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 263.188733][ T8332] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 8336] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8336] close(3) = 0 [pid 8336] mkdir("./bus", 0777) = 0 [ 263.199517][ T8336] loop1: detected capacity change from 0 to 8192 [ 263.199979][ T8332] REISERFS (device loop5): using ordered data mode [ 263.214732][ T8332] reiserfs: using flush barriers [ 263.221499][ T8336] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 263.222888][ T8332] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8336] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8335] <... write resumed>) = 4194304 [pid 8335] munmap(0x7fe58005a000, 4194304) = 0 [pid 8335] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8335] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8335] close(3) = 0 [pid 8335] mkdir("./bus", 0777) = 0 [pid 8335] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8338] <... write resumed>) = 4194304 [pid 8338] munmap(0x7fe58005a000, 4194304 [pid 8332] <... mount resumed>) = 0 [pid 8338] <... munmap resumed>) = 0 [ 263.251953][ T8332] REISERFS (device loop5): checking transaction log (loop5) [ 263.252754][ T8336] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 263.261254][ T8332] REISERFS (device loop5): Using r5 hash to sort names [ 263.274802][ T8335] loop2: detected capacity change from 0 to 8192 [ 263.275978][ T8332] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 263.294779][ T8332] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8338] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8338] ioctl(4, LOOP_SET_FD, 3 [pid 8332] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8338] <... ioctl resumed>) = 0 [pid 8338] close(3) = 0 [ 263.304389][ T8336] REISERFS (device loop1): using ordered data mode [ 263.310074][ T8338] loop4: detected capacity change from 0 to 8192 [ 263.311058][ T8336] reiserfs: using flush barriers [ 263.317387][ T8335] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 263.323338][ T8336] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8338] mkdir("./bus", 0777) = 0 [pid 8338] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8332] <... openat resumed>) = 3 [pid 8332] chdir("./bus") = 0 [pid 8332] ioctl(4, LOOP_CLR_FD) = 0 [pid 8332] close(4) = 0 [ 263.351719][ T8336] REISERFS (device loop1): checking transaction log (loop1) [ 263.360111][ T8336] REISERFS (device loop1): Using r5 hash to sort names [ 263.368041][ T8336] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 263.380997][ T8336] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 263.391580][ T8338] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8336] <... mount resumed>) = 0 [pid 8332] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8336] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8332] <... futex resumed>) = 1 [pid 8331] <... futex resumed>) = 0 [pid 8331] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8331] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8336] <... openat resumed>) = 3 [pid 8332] mkdir("./file1", 000) = 0 [pid 8332] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8331] <... futex resumed>) = 0 [pid 8332] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8331] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8331] <... futex resumed>) = 0 [pid 8332] mkdir("./bus", 000 [pid 8331] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8332] <... mkdir resumed>) = 0 [pid 8332] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8331] <... futex resumed>) = 0 [pid 8332] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8331] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8331] <... futex resumed>) = 0 [ 263.400053][ T8335] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 263.414167][ T8335] REISERFS (device loop2): using ordered data mode [ 263.420966][ T8335] reiserfs: using flush barriers [ 263.426906][ T8332] overlayfs: upper fs needs to support d_type. [ 263.427225][ T8338] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8332] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8331] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8336] chdir("./bus") = 0 [pid 8336] ioctl(4, LOOP_CLR_FD) = 0 [pid 8336] close(4) = 0 [pid 8336] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8334] <... futex resumed>) = 0 [pid 8336] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8334] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8334] <... futex resumed>) = 0 [pid 8336] mkdir("./file1", 000 [pid 8334] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8336] <... mkdir resumed>) = 0 [pid 8336] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8334] <... futex resumed>) = 0 [pid 8334] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8336] mkdir("./bus", 000 [pid 8334] <... futex resumed>) = 0 [pid 8336] <... mkdir resumed>) = 0 [pid 8334] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8336] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8334] <... futex resumed>) = 0 [pid 8336] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8334] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 263.433561][ T8335] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 263.442351][ T8338] REISERFS (device loop4): using ordered data mode [ 263.465040][ T8338] reiserfs: using flush barriers [ 263.471395][ T8338] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 263.489592][ T8332] overlayfs: upper fs does not support tmpfile. [pid 8334] <... futex resumed>) = 0 [pid 8336] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8334] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8331] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8331] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8331] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8331] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8343], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8343 [pid 8331] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8331] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8343 attached [pid 8343] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8343] mkdir(".", 0777) = -1 EEXIST (File exists) [ 263.506774][ T8338] REISERFS (device loop4): checking transaction log (loop4) [ 263.510969][ T8336] overlayfs: upper fs needs to support d_type. [ 263.514711][ T8335] REISERFS (device loop2): checking transaction log (loop2) [ 263.526823][ T8336] overlayfs: upper fs does not support tmpfile. [ 263.528674][ T8332] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 263.541797][ T8338] REISERFS (device loop4): Using r5 hash to sort names [pid 8343] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8334] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8334] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8334] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8334] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8344], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8344 [pid 8334] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 263.548856][ T8338] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 263.552051][ T8343] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 263.561934][ T8338] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 263.585468][ T8335] REISERFS (device loop2): Using r5 hash to sort names [ 263.592668][ T8335] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8334] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8344 attached [pid 8338] <... mount resumed>) = 0 [pid 8344] set_robust_list(0x7fe5804599e0, 24 [pid 8338] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8335] <... mount resumed>) = 0 [pid 8343] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8343] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8331] <... futex resumed>) = 0 [pid 8343] <... futex resumed>) = 1 [pid 8343] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8344] <... set_robust_list resumed>) = 0 [pid 8338] <... openat resumed>) = 3 [pid 8344] mkdir(".", 0777 [pid 8338] chdir("./bus" [pid 8335] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8344] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8338] <... chdir resumed>) = 0 [pid 8344] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8338] ioctl(4, LOOP_CLR_FD [pid 8335] <... openat resumed>) = 3 [pid 8338] <... ioctl resumed>) = 0 [pid 8335] chdir("./bus" [ 263.593070][ T8336] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 263.605818][ T8335] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 263.616402][ T8336] overlayfs: failed to resolve './file0': -2 [ 263.623553][ T8332] overlayfs: failed to resolve './file0': -2 [pid 8338] close(4) = 0 [pid 8336] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8335] <... chdir resumed>) = 0 [pid 8338] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8335] ioctl(4, LOOP_CLR_FD [pid 8338] <... futex resumed>) = 1 [pid 8337] <... futex resumed>) = 0 [pid 8335] <... ioctl resumed>) = 0 [pid 8338] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8337] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8335] close(4 [pid 8338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8337] <... futex resumed>) = 0 [pid 8335] <... close resumed>) = 0 [pid 8338] mkdir("./file1", 000 [pid 8337] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8335] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8338] <... mkdir resumed>) = 0 [pid 8335] <... futex resumed>) = 1 [pid 8333] <... futex resumed>) = 0 [pid 8338] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8335] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8333] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8338] <... futex resumed>) = 1 [pid 8337] <... futex resumed>) = 0 [pid 8335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8333] <... futex resumed>) = 0 [pid 8338] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8337] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8335] mkdir("./file1", 000 [pid 8333] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8337] <... futex resumed>) = 0 [pid 8336] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8335] <... mkdir resumed>) = 0 [pid 8338] mkdir("./bus", 000 [pid 8337] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8336] <... futex resumed>) = 0 [pid 8335] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8338] <... mkdir resumed>) = 0 [pid 8336] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8335] <... futex resumed>) = 1 [pid 8333] <... futex resumed>) = 0 [pid 8338] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8335] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8333] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8338] <... futex resumed>) = 1 [pid 8337] <... futex resumed>) = 0 [pid 8335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8333] <... futex resumed>) = 0 [pid 8338] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8337] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8335] mkdir("./bus", 000 [pid 8333] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8337] <... futex resumed>) = 0 [pid 8335] <... mkdir resumed>) = 0 [pid 8338] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8337] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8335] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8333] <... futex resumed>) = 0 [pid 8335] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8333] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8333] <... futex resumed>) = 0 [pid 8335] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8333] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8344] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8344] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8334] <... futex resumed>) = 0 [pid 8332] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8344] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8334] exit_group(0 [pid 8332] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8331] exit_group(0 [pid 8332] <... futex resumed>) = 0 [pid 8331] <... exit_group resumed>) = ? [pid 8344] <... futex resumed>) = ? [pid 8334] <... exit_group resumed>) = ? [pid 8343] <... futex resumed>) = ? [pid 8336] <... futex resumed>) = ? [pid 8344] +++ exited with 0 +++ [pid 8343] +++ exited with 0 +++ [pid 8336] +++ exited with 0 +++ [pid 8334] +++ exited with 0 +++ [pid 8332] +++ exited with 0 +++ [pid 8331] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8334, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 8337] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8331, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 8337] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8337] <... futex resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 5004] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8337] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8333] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5004] <... openat resumed>) = 3 [pid 8337] <... mprotect resumed>) = 0 [pid 8333] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] fstat(3, [pid 8337] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8333] <... futex resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] getdents64(3, [pid 8337] <... clone resumed>, parent_tid=[8345], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8345 [pid 8333] <... mmap resumed>) = 0x7fe580439000 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8337] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8333] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [ 263.647985][ T8344] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 263.666602][ T8338] overlayfs: upper fs needs to support d_type. [ 263.673271][ T8335] overlayfs: upper fs needs to support d_type. [ 263.679477][ T8335] overlayfs: upper fs does not support tmpfile. [ 263.687084][ T8338] overlayfs: upper fs does not support tmpfile. [ 263.695203][ T8335] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5008] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8337] <... futex resumed>) = 0 [pid 8333] <... mprotect resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8337] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8333] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8333] <... clone resumed>, parent_tid=[8346], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8346 [pid 8333] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8333] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, ./strace-static-x86_64: Process 8345 attached [pid 8345] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8345] mkdir(".", 0777 [pid 5008] getdents64(3, [pid 8345] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8345] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./199/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8346 attached [pid 8346] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8346] mkdir(".", 0777) = -1 EEXIST (File exists) [ 263.715239][ T8338] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 263.740718][ T8335] overlayfs: failed to resolve './file0': -2 [ 263.749193][ T8346] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8346] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 8335] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5004] <... umount2 resumed>) = 0 [pid 8346] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8335] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8346] <... futex resumed>) = 1 [pid 8335] <... futex resumed>) = 0 [pid 8333] <... futex resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8333] exit_group(0) = ? [pid 5004] lstat("./196/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8335] +++ exited with 0 +++ [pid 8346] +++ exited with 0 +++ [pid 8333] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8333, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=26 /* 0.26 s */} --- [pid 5004] umount2("./196/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./196/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] fstat(4, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] getdents64(4, [pid 5005] <... openat resumed>) = 3 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] fstat(3, [pid 5004] getdents64(4, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4 [pid 5005] getdents64(3, [pid 5004] <... close resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] rmdir("./196/bus" [pid 5005] umount2("./198/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... rmdir resumed>) = 0 [pid 5004] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./196/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./196/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./196") = 0 [pid 5004] mkdir("./197", 0777 [pid 8345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8345] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8337] <... futex resumed>) = 0 [pid 8345] <... futex resumed>) = 1 [pid 8345] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8338] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8338] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8337] exit_group(0) = ? [pid 8338] +++ exited with 0 +++ [pid 8345] <... futex resumed>) = ? [pid 5004] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [ 263.774167][ T8338] overlayfs: failed to resolve './file0': -2 [ 263.780378][ T8345] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8345] +++ exited with 0 +++ [pid 8337] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8337, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8347 [pid 5007] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8347 attached [pid 8347] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8347] chdir("./197") = 0 [pid 8347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8347] setpgid(0, 0) = 0 [pid 8347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8347] write(3, "1000", 4) = 4 [pid 8347] close(3) = 0 [pid 8347] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8347] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8347] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8347] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8348], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8348 [pid 8347] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8347] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./199/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./199/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./199/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./199/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./199/bus") = 0 [pid 5008] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./199/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 8348 attached [pid 8348] set_robust_list(0x7fe58847a9e0, 24 [pid 5008] close(3 [pid 8348] <... set_robust_list resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 8348] memfd_create("syzkaller", 0 [pid 5008] rmdir("./199") = 0 [pid 8348] <... memfd_create resumed>) = 3 [pid 8348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5008] mkdir("./200", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8349 ./strace-static-x86_64: Process 8349 attached [pid 8349] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8349] chdir("./200") = 0 [pid 8349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8349] setpgid(0, 0) = 0 [pid 8349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8349] write(3, "1000", 4) = 4 [pid 8349] close(3) = 0 [pid 8349] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8349] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8349] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8349] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8350], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8350 [pid 8349] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8349] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8350 attached [pid 8350] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8350] memfd_create("syzkaller", 0) = 3 [pid 8350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./197/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./197/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, [pid 5005] <... umount2 resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] umount2("./198/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(4, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] lstat("./198/bus", [pid 5007] close(4 [pid 8348] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... close resumed>) = 0 [pid 5007] rmdir("./197/bus") = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./198/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./197/binderfs", [pid 5005] openat(AT_FDCWD, "./198/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5007] unlink("./197/binderfs" [pid 5005] fstat(4, [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] getdents64(4, [pid 5007] close(3 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] <... close resumed>) = 0 [pid 5007] rmdir("./197" [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] close(4 [pid 5007] mkdir("./198", 0777 [pid 5005] <... close resumed>) = 0 [pid 5005] rmdir("./198/bus") = 0 [pid 5005] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... mkdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./198/binderfs", [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5005] unlink("./198/binderfs" [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5005] <... unlink resumed>) = 0 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] getdents64(3, [pid 5007] close(3) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] close(3) = 0 [pid 5005] rmdir("./198") = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8351 [pid 5005] mkdir("./199", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 8351 attached [pid 8351] set_robust_list(0x5555568c85e0, 24 [pid 5005] close(3 [pid 8351] <... set_robust_list resumed>) = 0 [pid 8351] chdir("./198" [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8352 [pid 8351] <... chdir resumed>) = 0 [pid 8351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8351] setpgid(0, 0) = 0 [pid 8351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8351] write(3, "1000", 4) = 4 [pid 8351] close(3) = 0 [pid 8351] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 8352 attached ) = 0 [pid 8352] set_robust_list(0x5555568c85e0, 24 [pid 8351] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8350] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8352] <... set_robust_list resumed>) = 0 [pid 8351] <... futex resumed>) = 0 [pid 8348] <... write resumed>) = 4194304 [pid 8352] chdir("./199" [pid 8351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8352] <... chdir resumed>) = 0 [pid 8351] <... mmap resumed>) = 0x7fe58845a000 [pid 8352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8351] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8352] <... prctl resumed>) = 0 [pid 8351] <... mprotect resumed>) = 0 [pid 8352] setpgid(0, 0 [pid 8351] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8352] <... setpgid resumed>) = 0 [pid 8348] munmap(0x7fe58005a000, 4194304 [pid 8352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8351] <... clone resumed>, parent_tid=[8353], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8353 [pid 8352] <... openat resumed>) = 3 [pid 8351] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8348] <... munmap resumed>) = 0 [pid 8352] write(3, "1000", 4 [pid 8351] <... futex resumed>) = 0 [pid 8352] <... write resumed>) = 4 [pid 8351] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8352] close(3) = 0 [pid 8352] symlink("/dev/binderfs", "./binderfs" [pid 8348] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8352] <... symlink resumed>) = 0 [pid 8352] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8348] <... openat resumed>) = 4 [pid 8352] <... futex resumed>) = 0 [pid 8348] ioctl(4, LOOP_SET_FD, 3 [pid 8352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8348] <... ioctl resumed>) = 0 [pid 8352] <... mmap resumed>) = 0x7fe58845a000 [pid 8352] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8352] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8354], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8354 [pid 8352] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8353 attached [pid 8352] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8353] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8353] memfd_create("syzkaller", 0) = 3 [pid 8353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 8354 attached [pid 8348] close(3) = 0 [pid 8348] mkdir("./bus", 0777 [pid 8354] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8348] <... mkdir resumed>) = 0 [pid 8348] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8354] memfd_create("syzkaller", 0) = 3 [pid 8354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 264.062667][ T8348] loop1: detected capacity change from 0 to 8192 [ 264.089631][ T8348] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8353] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8350] <... write resumed>) = 4194304 [pid 8350] munmap(0x7fe58005a000, 4194304) = 0 [pid 8350] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8350] ioctl(4, LOOP_SET_FD, 3 [pid 8353] <... write resumed>) = 4194304 [ 264.133479][ T8348] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 264.165085][ T8350] loop5: detected capacity change from 0 to 8192 [ 264.176686][ T8348] REISERFS (device loop1): using ordered data mode [pid 8353] munmap(0x7fe58005a000, 4194304 [pid 8354] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8350] <... ioctl resumed>) = 0 [pid 8353] <... munmap resumed>) = 0 [pid 8350] close(3) = 0 [pid 8350] mkdir("./bus", 0777) = 0 [pid 8350] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8353] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8353] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8353] close(3) = 0 [pid 8353] mkdir("./bus", 0777) = 0 [ 264.184160][ T8348] reiserfs: using flush barriers [ 264.189870][ T8348] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 264.197712][ T8353] loop4: detected capacity change from 0 to 8192 [ 264.215032][ T8350] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 264.229932][ T8350] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 264.230315][ T8348] REISERFS (device loop1): checking transaction log (loop1) [ 264.239941][ T8353] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 264.247059][ T8350] REISERFS (device loop5): using ordered data mode [ 264.266639][ T8350] reiserfs: using flush barriers [ 264.272009][ T8348] REISERFS (device loop1): Using r5 hash to sort names [pid 8353] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8354] <... write resumed>) = 4194304 [pid 8354] munmap(0x7fe58005a000, 4194304) = 0 [pid 8354] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 264.279085][ T8348] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 264.292938][ T8350] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 264.309417][ T8348] REISERFS (device loop1): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8354] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8348] <... mount resumed>) = 0 [pid 8348] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8348] chdir("./bus") = 0 [pid 8348] ioctl(4, LOOP_CLR_FD) = 0 [pid 8348] close(4) = 0 [pid 8348] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... futex resumed>) = 0 [pid 8347] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8347] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8348] <... futex resumed>) = 1 [pid 8348] mkdir("./file1", 000) = 0 [pid 8348] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... futex resumed>) = 0 [pid 8347] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8347] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8348] <... futex resumed>) = 1 [pid 8348] mkdir("./bus", 000 [pid 8354] close(3 [pid 8348] <... mkdir resumed>) = 0 [pid 8348] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... futex resumed>) = 0 [pid 8347] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8347] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8348] <... futex resumed>) = 1 [pid 8348] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8354] <... close resumed>) = 0 [pid 8354] mkdir("./bus", 0777) = 0 [ 264.326475][ T8353] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 264.326836][ T8350] REISERFS (device loop5): checking transaction log (loop5) [ 264.336242][ T8354] loop2: detected capacity change from 0 to 8192 [ 264.344654][ T8350] REISERFS (device loop5): Using r5 hash to sort names [ 264.349580][ T8353] REISERFS (device loop4): using ordered data mode [ 264.368003][ T8350] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 264.381233][ T8353] reiserfs: using flush barriers [ 264.384173][ T8348] overlayfs: upper fs needs to support d_type. [ 264.387370][ T8353] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 264.404783][ T8348] overlayfs: upper fs does not support tmpfile. [ 264.410926][ T8350] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8354] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8350] <... mount resumed>) = 0 [pid 8347] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8350] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8347] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8350] <... openat resumed>) = 3 [pid 8347] <... futex resumed>) = 0 [pid 8350] chdir("./bus" [pid 8347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8350] <... chdir resumed>) = 0 [pid 8347] <... mmap resumed>) = 0x7fe580439000 [pid 8350] ioctl(4, LOOP_CLR_FD [pid 8347] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8350] <... ioctl resumed>) = 0 [pid 8347] <... mprotect resumed>) = 0 [pid 8350] close(4 [pid 8347] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8350] <... close resumed>) = 0 [pid 8350] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... clone resumed>, parent_tid=[8359], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8359 [pid 8350] <... futex resumed>) = 1 [pid 8349] <... futex resumed>) = 0 [pid 8347] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8350] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8349] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8349] <... futex resumed>) = 0 [pid 8347] <... futex resumed>) = 0 [pid 8350] mkdir("./file1", 000 [pid 8349] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8347] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8350] <... mkdir resumed>) = 0 [pid 8350] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8349] <... futex resumed>) = 0 [pid 8350] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8349] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8349] <... futex resumed>) = 0 [pid 8350] mkdir("./bus", 000 [pid 8349] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8350] <... mkdir resumed>) = 0 [pid 8350] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8349] <... futex resumed>) = 0 [pid 8350] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8349] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 264.415397][ T8354] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 264.424918][ T8353] REISERFS (device loop4): checking transaction log (loop4) [ 264.437318][ T8354] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 264.455882][ T8354] REISERFS (device loop2): using ordered data mode [ 264.462605][ T8354] reiserfs: using flush barriers [pid 8349] <... futex resumed>) = 0 [pid 8350] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8349] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8359 attached [pid 8359] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8359] mkdir(".", 0777) = -1 EEXIST (File exists) [ 264.470262][ T8354] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 264.474476][ T8350] overlayfs: upper fs needs to support d_type. [ 264.487085][ T8354] REISERFS (device loop2): checking transaction log (loop2) [ 264.495655][ T8348] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 264.500965][ T8354] REISERFS (device loop2): Using r5 hash to sort names [ 264.514139][ T8353] REISERFS (device loop4): Using r5 hash to sort names [ 264.514316][ T8353] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8359] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8354] <... mount resumed>) = 0 [pid 8349] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8349] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8354] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8354] <... openat resumed>) = 3 [pid 8349] <... mmap resumed>) = 0x7fe580439000 [pid 8349] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8349] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8360], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8360 [pid 8349] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8349] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8354] chdir("./bus"./strace-static-x86_64: Process 8360 attached ) = 0 [pid 8360] set_robust_list(0x7fe5804599e0, 24 [ 264.521310][ T8354] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 264.540838][ T8359] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 264.546927][ T8354] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 264.570770][ T8350] overlayfs: upper fs does not support tmpfile. [ 264.578664][ T8350] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8354] ioctl(4, LOOP_CLR_FD [pid 8360] <... set_robust_list resumed>) = 0 [pid 8360] mkdir(".", 0777 [pid 8354] <... ioctl resumed>) = 0 [pid 8360] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8354] close(4 [pid 8350] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8359] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8359] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... futex resumed>) = 0 [pid 8359] <... futex resumed>) = 1 [pid 8359] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8360] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8354] <... close resumed>) = 0 [pid 8350] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8353] <... mount resumed>) = 0 [pid 8353] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8353] chdir("./bus") = 0 [pid 8353] ioctl(4, LOOP_CLR_FD) = 0 [pid 8353] close(4) = 0 [pid 8353] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8351] <... futex resumed>) = 0 [pid 8351] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8351] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8354] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8350] <... futex resumed>) = 0 [pid 8354] <... futex resumed>) = 1 [pid 8352] <... futex resumed>) = 0 [pid 8350] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8354] mkdir("./file1", 000 [pid 8352] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8353] <... futex resumed>) = 1 [pid 8352] <... futex resumed>) = 0 [pid 8353] mkdir("./file1", 000 [pid 8352] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8353] <... mkdir resumed>) = 0 [pid 8353] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8351] <... futex resumed>) = 0 [pid 8353] mkdir("./bus", 000 [pid 8351] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8353] <... mkdir resumed>) = 0 [pid 8351] <... futex resumed>) = 0 [pid 8353] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8351] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8353] <... futex resumed>) = 0 [pid 8351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8353] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8351] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 264.588292][ T8350] overlayfs: failed to resolve './file0': -2 [ 264.595792][ T8353] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 264.607340][ T8348] overlayfs: failed to resolve './file0': -2 [pid 8351] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8354] <... mkdir resumed>) = 0 [pid 8354] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8352] <... futex resumed>) = 0 [pid 8360] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8354] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8352] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8348] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8360] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8352] <... futex resumed>) = 0 [pid 8348] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8360] <... futex resumed>) = 1 [pid 8354] mkdir("./bus", 000 [pid 8352] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8349] <... futex resumed>) = 0 [pid 8348] <... futex resumed>) = 0 [pid 8348] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8360] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8347] exit_group(0 [pid 8354] <... mkdir resumed>) = 0 [pid 8349] exit_group(0 [pid 8359] <... futex resumed>) = ? [pid 8348] <... futex resumed>) = ? [pid 8347] <... exit_group resumed>) = ? [pid 8359] +++ exited with 0 +++ [pid 8348] +++ exited with 0 +++ [pid 8360] <... futex resumed>) = ? [pid 8354] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8351] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8350] <... futex resumed>) = ? [pid 8349] <... exit_group resumed>) = ? [pid 8347] +++ exited with 0 +++ [pid 8360] +++ exited with 0 +++ [pid 8354] <... futex resumed>) = 1 [pid 8352] <... futex resumed>) = 0 [pid 8350] +++ exited with 0 +++ [pid 8354] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8352] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8352] <... futex resumed>) = 0 [pid 8354] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8352] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8349] +++ exited with 0 +++ [pid 8351] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8349, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 8351] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8347, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [ 264.625601][ T8360] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 264.642364][ T8353] overlayfs: upper fs needs to support d_type. [ 264.648571][ T8353] overlayfs: upper fs does not support tmpfile. [ 264.656474][ T8353] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 264.666508][ T8353] overlayfs: failed to resolve './file0': -2 [pid 8351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 5008] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8351] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8351] <... mprotect resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8351] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8351] <... clone resumed>, parent_tid=[8361], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8361 [pid 5008] fstat(3, [pid 8351] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 8351] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8351] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] getdents64(3, [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8353] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8353] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./200/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(3, [pid 8353] <... futex resumed>) = 0 [pid 8353] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8361 attached [pid 8352] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8352] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8361] set_robust_list(0x7fe5804599e0, 24 [pid 8352] <... futex resumed>) = 0 [pid 8352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8352] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8361] <... set_robust_list resumed>) = 0 [pid 8352] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8362], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8362 [pid 8352] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8352] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8362 attached [pid 8362] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8361] mkdir(".", 0777 [pid 8362] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8361] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8362] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 264.693873][ T8354] overlayfs: upper fs needs to support d_type. [ 264.700265][ T8354] overlayfs: upper fs does not support tmpfile. [ 264.722162][ T8354] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 264.731606][ T8354] overlayfs: failed to resolve './file0': -2 [pid 8361] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8354] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8354] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8354] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8361] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8361] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8351] <... futex resumed>) = 0 [pid 8361] <... futex resumed>) = 1 [pid 8361] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8351] exit_group(0 [pid 8361] <... futex resumed>) = ? [pid 8353] <... futex resumed>) = ? [pid 8351] <... exit_group resumed>) = ? [pid 8353] +++ exited with 0 +++ [pid 8361] +++ exited with 0 +++ [pid 8351] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8351, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5007] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] <... umount2 resumed>) = 0 [pid 5007] fstat(3, [pid 5008] umount2("./200/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./198/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./200/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./200/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./200/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5008] rmdir("./200/bus") = 0 [pid 5008] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./200/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./200/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5004] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./197/bus", [pid 5008] rmdir("./200" [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./197/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./197/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 264.772363][ T8361] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 264.772841][ T8362] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] <... rmdir resumed>) = 0 [pid 5008] mkdir("./201", 0777 [pid 5004] <... openat resumed>) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5004] getdents64(4, [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5004] getdents64(4, [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./197/bus") = 0 [pid 5004] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./197/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./197/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./197") = 0 [pid 5004] mkdir("./198", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8363 [pid 8362] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8363 attached [pid 8362] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8352] <... futex resumed>) = 0 [pid 8352] exit_group(0 [pid 8354] <... futex resumed>) = ? [pid 8352] <... exit_group resumed>) = ? [pid 8354] +++ exited with 0 +++ [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8363] set_robust_list(0x5555568c85e0, 24 [pid 8362] <... futex resumed>) = ? [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8364 [pid 8363] <... set_robust_list resumed>) = 0 [pid 8363] chdir("./198") = 0 [pid 8363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8363] setpgid(0, 0) = 0 [pid 8363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8362] +++ exited with 0 +++ [pid 8352] +++ exited with 0 +++ [pid 8363] write(3, "1000", 4) = 4 [pid 8363] close(3) = 0 [pid 8363] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8363] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8352, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 8363] <... futex resumed>) = 0 [pid 8363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5005] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8363] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8364 attached [pid 5005] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8364] set_robust_list(0x5555568c85e0, 24 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8364] <... set_robust_list resumed>) = 0 [pid 5005] getdents64(3, [pid 8364] chdir("./201" [pid 8363] <... mprotect resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8364] <... chdir resumed>) = 0 [pid 5005] umount2("./199/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8363] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8364] setpgid(0, 0) = 0 [pid 8364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8363] <... clone resumed>, parent_tid=[8365], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8365 [pid 8364] write(3, "1000", 4 [pid 8363] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8364] <... write resumed>) = 4 [pid 8364] close(3 [pid 8363] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8364] <... close resumed>) = 0 [pid 8364] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 8365 attached [pid 8365] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8364] <... symlink resumed>) = 0 [pid 8364] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8365] memfd_create("syzkaller", 0) = 3 [pid 8364] <... futex resumed>) = 0 [pid 8365] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8365] <... mmap resumed>) = 0x7fe58005a000 [pid 8364] <... mmap resumed>) = 0x7fe58845a000 [pid 8364] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8364] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8366], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8366 [pid 8364] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8364] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8366 attached [pid 8366] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8366] memfd_create("syzkaller", 0) = 3 [pid 8366] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./198/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./198/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./198/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./198/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./198/bus") = 0 [pid 5007] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./198/binderfs") = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./198") = 0 [pid 5007] mkdir("./199", 0777) = 0 [pid 5005] umount2("./199/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8366] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8365] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8367 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./199/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./199/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./199/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./199/bus") = 0 [pid 5005] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./199/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./199") = 0 [pid 5005] mkdir("./200", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 ./strace-static-x86_64: Process 8367 attached [pid 8367] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8367] chdir("./199" [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8367] <... chdir resumed>) = 0 [pid 5005] close(3 [pid 8367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... close resumed>) = 0 [pid 8367] <... prctl resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8367] setpgid(0, 0) = 0 [pid 8367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8367] write(3, "1000", 4) = 4 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8368 [pid 8367] close(3) = 0 [pid 8367] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 8368 attached ) = 0 [pid 8367] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8368] set_robust_list(0x5555568c85e0, 24 [pid 8367] <... futex resumed>) = 0 [pid 8367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8368] <... set_robust_list resumed>) = 0 [pid 8367] <... mmap resumed>) = 0x7fe58845a000 [pid 8367] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8368] chdir("./200" [pid 8367] <... mprotect resumed>) = 0 [pid 8368] <... chdir resumed>) = 0 [pid 8367] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8367] <... clone resumed>, parent_tid=[8369], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8369 [pid 8367] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8368] <... prctl resumed>) = 0 [pid 8367] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8368] setpgid(0, 0) = 0 [pid 8368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 8369 attached ) = 3 [pid 8369] set_robust_list(0x7fe58847a9e0, 24 [pid 8368] write(3, "1000", 4 [pid 8369] <... set_robust_list resumed>) = 0 [pid 8368] <... write resumed>) = 4 [pid 8368] close(3) = 0 [pid 8368] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8368] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8369] memfd_create("syzkaller", 0 [pid 8368] <... futex resumed>) = 0 [pid 8369] <... memfd_create resumed>) = 3 [pid 8368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8368] <... mmap resumed>) = 0x7fe58845a000 [pid 8369] <... mmap resumed>) = 0x7fe58005a000 [pid 8368] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8368] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8370], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8370 [pid 8368] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8368] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8370 attached [pid 8370] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8370] memfd_create("syzkaller", 0) = 3 [pid 8370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8366] <... write resumed>) = 4194304 [pid 8366] munmap(0x7fe58005a000, 4194304) = 0 [pid 8366] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8366] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8366] close(3) = 0 [pid 8366] mkdir("./bus", 0777) = 0 [pid 8366] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8365] <... write resumed>) = 4194304 [pid 8370] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8365] munmap(0x7fe58005a000, 4194304) = 0 [pid 8365] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8365] ioctl(4, LOOP_SET_FD, 3 [ 265.114085][ T8366] loop5: detected capacity change from 0 to 8192 [ 265.141052][ T8366] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 265.156204][ T8365] loop1: detected capacity change from 0 to 8192 [pid 8369] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8365] <... ioctl resumed>) = 0 [pid 8365] close(3) = 0 [pid 8365] mkdir("./bus", 0777) = 0 [pid 8365] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8370] <... write resumed>) = 4194304 [pid 8370] munmap(0x7fe58005a000, 4194304) = 0 [ 265.159939][ T8366] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 265.177833][ T8365] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 265.201548][ T8366] REISERFS (device loop5): using ordered data mode [pid 8370] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8370] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8370] close(3) = 0 [pid 8370] mkdir("./bus", 0777) = 0 [ 265.211385][ T8365] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 265.216488][ T8370] loop2: detected capacity change from 0 to 8192 [ 265.220918][ T8365] REISERFS (device loop1): using ordered data mode [ 265.232399][ T8366] reiserfs: using flush barriers [ 265.239572][ T8370] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 265.251175][ T8365] reiserfs: using flush barriers [pid 8370] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8369] <... write resumed>) = 4194304 [pid 8369] munmap(0x7fe58005a000, 4194304) = 0 [pid 8369] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 265.255418][ T8366] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.258497][ T8370] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 265.282860][ T8365] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.299870][ T8365] REISERFS (device loop1): checking transaction log (loop1) [ 265.302352][ T8369] loop4: detected capacity change from 0 to 8192 [pid 8369] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8369] close(3) = 0 [pid 8365] <... mount resumed>) = 0 [pid 8369] mkdir("./bus", 0777) = 0 [pid 8365] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8365] chdir("./bus") = 0 [pid 8365] ioctl(4, LOOP_CLR_FD) = 0 [ 265.308352][ T8365] REISERFS (device loop1): Using r5 hash to sort names [ 265.320669][ T8365] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 265.333462][ T8365] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 265.342614][ T8370] REISERFS (device loop2): using ordered data mode [ 265.349128][ T8370] reiserfs: using flush barriers [ 265.356078][ T8366] REISERFS (device loop5): checking transaction log (loop5) [pid 8369] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8365] close(4) = 0 [pid 8365] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8365] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8363] <... futex resumed>) = 0 [ 265.363754][ T8370] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.381972][ T8366] REISERFS (device loop5): Using r5 hash to sort names [ 265.389023][ T8366] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 265.393960][ T8369] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8363] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8365] <... futex resumed>) = 0 [pid 8363] <... futex resumed>) = 1 [pid 8365] mkdir("./file1", 000 [pid 8363] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8365] <... mkdir resumed>) = 0 [pid 8365] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8363] <... futex resumed>) = 0 [pid 8365] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8363] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8363] <... futex resumed>) = 0 [pid 8365] mkdir("./bus", 000 [pid 8363] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8365] <... mkdir resumed>) = 0 [pid 8365] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8363] <... futex resumed>) = 0 [pid 8365] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8363] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8363] <... futex resumed>) = 0 [pid 8365] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8363] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8366] <... mount resumed>) = 0 [pid 8366] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8366] chdir("./bus") = 0 [pid 8366] ioctl(4, LOOP_CLR_FD) = 0 [pid 8366] close(4) = 0 [pid 8366] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8364] <... futex resumed>) = 0 [pid 8366] mkdir("./file1", 000 [pid 8364] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8366] <... mkdir resumed>) = 0 [pid 8364] <... futex resumed>) = 0 [pid 8364] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8366] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 265.402148][ T8370] REISERFS (device loop2): checking transaction log (loop2) [ 265.422213][ T8366] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 265.427995][ T8365] overlayfs: upper fs needs to support d_type. [ 265.433047][ T8370] REISERFS (device loop2): Using r5 hash to sort names [ 265.441935][ T8365] overlayfs: upper fs does not support tmpfile. [ 265.445820][ T8370] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8364] <... futex resumed>) = 0 [pid 8364] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8366] mkdir("./bus", 000 [pid 8364] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8366] <... mkdir resumed>) = 0 [pid 8366] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8364] <... futex resumed>) = 0 [pid 8366] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8364] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8364] <... futex resumed>) = 0 [pid 8366] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8364] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8370] <... mount resumed>) = 0 [pid 8363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8363] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8363] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [ 265.463511][ T8370] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 265.473263][ T8369] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 265.473487][ T8366] overlayfs: upper fs needs to support d_type. [ 265.483013][ T8365] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 265.497165][ T8365] overlayfs: failed to resolve './file0': -2 [ 265.499531][ T8369] REISERFS (device loop4): using ordered data mode [ 265.503554][ T8366] overlayfs: upper fs does not support tmpfile. [pid 8363] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8370] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8363] <... clone resumed>, parent_tid=[8375], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8375 [pid 8363] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8363] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8364] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8370] <... openat resumed>) = 3 [pid 8364] <... mmap resumed>) = 0x7fe580439000 [pid 8370] chdir("./bus" [pid 8364] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8370] <... chdir resumed>) = 0 [pid 8364] <... mprotect resumed>) = 0 [pid 8370] ioctl(4, LOOP_CLR_FD [pid 8364] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8370] <... ioctl resumed>) = 0 [pid 8364] <... clone resumed>, parent_tid=[8376], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8376 [pid 8364] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8375 attached ) = 0 [pid 8375] set_robust_list(0x7fe5804599e0, 24 [pid 8364] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8375] <... set_robust_list resumed>) = 0 [pid 8375] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8375] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8376 attached [pid 8370] close(4 [pid 8365] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8376] set_robust_list(0x7fe5804599e0, 24 [pid 8370] <... close resumed>) = 0 [pid 8365] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8376] <... set_robust_list resumed>) = 0 [pid 8370] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8366] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8365] <... futex resumed>) = 0 [pid 8376] mkdir(".", 0777 [pid 8370] <... futex resumed>) = 1 [pid 8368] <... futex resumed>) = 0 [pid 8366] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8365] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8376] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8370] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8368] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8366] <... futex resumed>) = 0 [pid 8376] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8368] <... futex resumed>) = 0 [pid 8370] mkdir("./file1", 000 [pid 8368] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8370] <... mkdir resumed>) = 0 [pid 8370] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8368] <... futex resumed>) = 0 [pid 8370] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8368] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8368] <... futex resumed>) = 0 [pid 8370] mkdir("./bus", 000 [pid 8368] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8370] <... mkdir resumed>) = 0 [pid 8370] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8368] <... futex resumed>) = 0 [pid 8370] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8368] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8368] <... futex resumed>) = 0 [pid 8370] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 265.516812][ T8366] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 265.525804][ T8366] overlayfs: failed to resolve './file0': -2 [ 265.532509][ T8369] reiserfs: using flush barriers [ 265.547359][ T8375] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 265.562469][ T8369] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.564295][ T8370] overlayfs: upper fs needs to support d_type. [ 265.579226][ T8369] REISERFS (device loop4): checking transaction log (loop4) [ 265.595309][ T8370] overlayfs: upper fs does not support tmpfile. [ 265.596993][ T8376] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8368] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8366] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8375] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8368] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8375] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8368] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8363] <... futex resumed>) = 0 [pid 8375] <... futex resumed>) = 1 [pid 8368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8363] exit_group(0 [pid 8368] <... mmap resumed>) = 0x7fe580439000 [pid 8365] <... futex resumed>) = ? [pid 8363] <... exit_group resumed>) = ? [pid 8368] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8365] +++ exited with 0 +++ [pid 8368] <... mprotect resumed>) = 0 [pid 8368] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8377], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8377 [pid 8368] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8375] +++ exited with 0 +++ [pid 8368] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8363] +++ exited with 0 +++ [pid 8376] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8363, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5004] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, ./strace-static-x86_64: Process 8377 attached [pid 8370] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8377] set_robust_list(0x7fe5804599e0, 24 [pid 8376] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8364] <... futex resumed>) = 0 [ 265.602121][ T8369] REISERFS (device loop4): Using r5 hash to sort names [ 265.624856][ T8370] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 265.633159][ T8370] overlayfs: failed to resolve './file0': -2 [ 265.640456][ T8369] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8364] exit_group(0) = ? [pid 8376] <... futex resumed>) = ? [pid 8376] +++ exited with 0 +++ [pid 8370] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8370] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] umount2("./198/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8377] <... set_robust_list resumed>) = 0 [pid 8377] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8369] <... mount resumed>) = 0 [pid 8366] <... futex resumed>) = ? [pid 8377] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8366] +++ exited with 0 +++ [pid 8364] +++ exited with 0 +++ [pid 8369] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8369] chdir("./bus") = 0 [pid 8369] ioctl(4, LOOP_CLR_FD) = 0 [pid 8369] close(4 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8364, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 8369] <... close resumed>) = 0 [pid 8369] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8369] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8367] <... futex resumed>) = 0 [pid 5008] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8367] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8367] <... futex resumed>) = 1 [pid 8369] <... futex resumed>) = 0 [pid 8367] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8377] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8369] mkdir("./file1", 000 [pid 5008] <... openat resumed>) = 3 [pid 8377] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8369] <... mkdir resumed>) = 0 [pid 5008] fstat(3, [pid 8369] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 8369] <... futex resumed>) = 1 [pid 8367] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8367] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./201/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8367] <... futex resumed>) = 0 [pid 8369] mkdir("./bus", 000 [pid 8367] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8369] <... mkdir resumed>) = 0 [pid 8369] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8369] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8368] <... futex resumed>) = 0 [pid 8368] exit_group(0) = ? [pid 8377] <... futex resumed>) = ? [pid 8370] <... futex resumed>) = ? [pid 8367] <... futex resumed>) = 0 [pid 8370] +++ exited with 0 +++ [pid 8367] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8369] <... futex resumed>) = 0 [pid 8367] <... futex resumed>) = 1 [pid 8369] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8367] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8377] +++ exited with 0 +++ [pid 8368] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8368, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} --- [ 265.665769][ T8369] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 265.686043][ T8377] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./200/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8367] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8367] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8367] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8367] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8378], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8378 [pid 8367] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8367] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8369] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8369] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8369] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8378 attached [pid 8378] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8378] mkdir(".", 0777) = -1 EEXIST (File exists) [ 265.714657][ T8369] overlayfs: upper fs needs to support d_type. [ 265.723691][ T8369] overlayfs: upper fs does not support tmpfile. [ 265.732047][ T8369] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 265.740297][ T8369] overlayfs: failed to resolve './file0': -2 [pid 8378] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... umount2 resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5008] umount2("./201/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./198/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8378] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./201/bus", [pid 5004] lstat("./198/bus", [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./201/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./198/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./201/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] openat(AT_FDCWD, "./198/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... openat resumed>) = 4 [pid 5004] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 5004] fstat(4, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 5004] getdents64(4, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 5004] getdents64(4, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4 [pid 5004] close(4 [pid 8378] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 8378] <... futex resumed>) = 1 [pid 8367] <... futex resumed>) = 0 [pid 5008] rmdir("./201/bus" [pid 5004] rmdir("./198/bus" [pid 8378] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8367] exit_group(0 [pid 5008] <... rmdir resumed>) = 0 [pid 8378] <... futex resumed>) = ? [pid 8369] <... futex resumed>) = ? [pid 8367] <... exit_group resumed>) = ? [pid 5008] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... rmdir resumed>) = 0 [pid 8369] +++ exited with 0 +++ [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./201/binderfs", [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] lstat("./198/binderfs", [pid 8378] +++ exited with 0 +++ [pid 8367] +++ exited with 0 +++ [pid 5008] unlink("./201/binderfs") = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] getdents64(3, [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8367, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5004] unlink("./198/binderfs" [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... unlink resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] getdents64(3, [pid 5008] rmdir("./201" [pid 5007] <... openat resumed>) = 3 [pid 5007] fstat(3, [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5004] close(3 [pid 5008] mkdir("./202", 0777 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] <... close resumed>) = 0 [pid 5007] umount2("./199/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... mkdir resumed>) = 0 [pid 5005] umount2("./200/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] rmdir("./198" [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... rmdir resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5005] lstat("./200/bus", [pid 5004] mkdir("./199", 0777 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... mkdir resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] umount2("./200/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] close(3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... openat resumed>) = 3 [pid 5008] <... close resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./200/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... openat resumed>) = 4 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] fstat(4, [pid 5004] close(3 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8379 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... close resumed>) = 0 [pid 5005] getdents64(4, [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8380 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./200/bus") = 0 [pid 5005] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./200/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 265.816042][ T8378] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] unlink("./200/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 ./strace-static-x86_64: Process 8380 attached ./strace-static-x86_64: Process 8379 attached [pid 5005] rmdir("./200" [pid 8380] set_robust_list(0x5555568c85e0, 24 [pid 8379] set_robust_list(0x5555568c85e0, 24 [pid 5005] <... rmdir resumed>) = 0 [pid 8380] <... set_robust_list resumed>) = 0 [pid 8379] <... set_robust_list resumed>) = 0 [pid 5005] mkdir("./201", 0777 [pid 8380] chdir("./199" [pid 8379] chdir("./202" [pid 5005] <... mkdir resumed>) = 0 [pid 8380] <... chdir resumed>) = 0 [pid 8379] <... chdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... openat resumed>) = 3 [pid 8380] <... prctl resumed>) = 0 [pid 8379] <... prctl resumed>) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 8380] setpgid(0, 0 [pid 8379] setpgid(0, 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8380] <... setpgid resumed>) = 0 [pid 8379] <... setpgid resumed>) = 0 [pid 5005] close(3 [pid 8380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... close resumed>) = 0 [pid 8380] <... openat resumed>) = 3 [pid 8379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8380] write(3, "1000", 4 [pid 8379] <... openat resumed>) = 3 [pid 8380] <... write resumed>) = 4 [pid 8379] write(3, "1000", 4 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8381 [pid 8380] close(3 [pid 8379] <... write resumed>) = 4 [pid 8380] <... close resumed>) = 0 [pid 8379] close(3 [pid 8380] symlink("/dev/binderfs", "./binderfs" [pid 8379] <... close resumed>) = 0 [pid 8380] <... symlink resumed>) = 0 [pid 8379] symlink("/dev/binderfs", "./binderfs" [pid 8380] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8379] <... symlink resumed>) = 0 [pid 8380] <... futex resumed>) = 0 [pid 8379] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8379] <... futex resumed>) = 0 [pid 8380] <... mmap resumed>) = 0x7fe58845a000 [pid 8379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8380] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8379] <... mmap resumed>) = 0x7fe58845a000 ./strace-static-x86_64: Process 8381 attached [pid 8380] <... mprotect resumed>) = 0 [pid 8379] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8380] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8381] set_robust_list(0x5555568c85e0, 24 [pid 8379] <... mprotect resumed>) = 0 [pid 8381] <... set_robust_list resumed>) = 0 [pid 8380] <... clone resumed>, parent_tid=[8382], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8382 [pid 8379] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8381] chdir("./201" [pid 8380] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] <... chdir resumed>) = 0 [pid 8380] <... futex resumed>) = 0 [pid 8379] <... clone resumed>, parent_tid=[8383], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8383 [pid 8380] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8379] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8379] <... futex resumed>) = 0 [pid 8381] <... prctl resumed>) = 0 [pid 8379] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8381] setpgid(0, 0) = 0 [pid 8381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8381] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 8383 attached [pid 8381] close(3 [pid 8383] set_robust_list(0x7fe58847a9e0, 24 [pid 8381] <... close resumed>) = 0 [pid 8383] <... set_robust_list resumed>) = 0 [pid 8381] symlink("/dev/binderfs", "./binderfs" [pid 8383] memfd_create("syzkaller", 0 [pid 8381] <... symlink resumed>) = 0 [pid 8383] <... memfd_create resumed>) = 3 [pid 8381] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8381] <... futex resumed>) = 0 [pid 8383] <... mmap resumed>) = 0x7fe58005a000 [pid 8381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 8382 attached ) = 0x7fe58845a000 [pid 5007] <... umount2 resumed>) = 0 [pid 8382] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5007] umount2("./199/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8382] memfd_create("syzkaller", 0) = 3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] lstat("./199/bus", [pid 8381] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8381] <... mprotect resumed>) = 0 [pid 5007] umount2("./199/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8381] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] openat(AT_FDCWD, "./199/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8381] <... clone resumed>, parent_tid=[8384], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8384 [pid 8381] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] fstat(4, [pid 8381] <... futex resumed>) = 0 [pid 8381] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./199/bus") = 0 [pid 5007] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./199/binderfs"./strace-static-x86_64: Process 8384 attached ) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./199" [pid 8384] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] <... rmdir resumed>) = 0 [pid 5007] mkdir("./200", 0777 [pid 8384] <... set_robust_list resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 8384] memfd_create("syzkaller", 0 [pid 5007] <... close resumed>) = 0 [pid 8384] <... memfd_create resumed>) = 3 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8385 [pid 8384] <... mmap resumed>) = 0x7fe58005a000 ./strace-static-x86_64: Process 8385 attached [pid 8385] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8385] chdir("./200") = 0 [pid 8385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8385] setpgid(0, 0) = 0 [pid 8385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8385] write(3, "1000", 4) = 4 [pid 8385] close(3) = 0 [pid 8385] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8385] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8385] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8382] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8385] <... mprotect resumed>) = 0 [pid 8385] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8386], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8386 [pid 8385] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8385] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8386 attached [pid 8386] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8386] memfd_create("syzkaller", 0) = 3 [pid 8386] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8383] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8384] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8382] <... write resumed>) = 4194304 [pid 8386] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8382] munmap(0x7fe58005a000, 4194304) = 0 [pid 8382] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8382] ioctl(4, LOOP_SET_FD, 3 [pid 8383] <... write resumed>) = 4194304 [pid 8383] munmap(0x7fe58005a000, 4194304) = 0 [pid 8382] <... ioctl resumed>) = 0 [pid 8383] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8382] close(3 [pid 8383] <... openat resumed>) = 4 [pid 8382] <... close resumed>) = 0 [pid 8383] ioctl(4, LOOP_SET_FD, 3 [pid 8382] mkdir("./bus", 0777 [pid 8384] <... write resumed>) = 4194304 [pid 8384] munmap(0x7fe58005a000, 4194304 [pid 8382] <... mkdir resumed>) = 0 [pid 8382] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8384] <... munmap resumed>) = 0 [pid 8384] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8384] ioctl(4, LOOP_SET_FD, 3 [pid 8383] <... ioctl resumed>) = 0 [pid 8383] close(3) = 0 [pid 8383] mkdir("./bus", 0777 [pid 8384] <... ioctl resumed>) = 0 [pid 8384] close(3 [pid 8383] <... mkdir resumed>) = 0 [pid 8383] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8384] <... close resumed>) = 0 [ 266.116691][ T8382] loop1: detected capacity change from 0 to 8192 [ 266.140567][ T8383] loop5: detected capacity change from 0 to 8192 [ 266.154873][ T8384] loop2: detected capacity change from 0 to 8192 [pid 8384] mkdir("./bus", 0777) = 0 [pid 8384] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8386] <... write resumed>) = 4194304 [ 266.165727][ T8382] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.180696][ T8382] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 266.182056][ T8384] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.191631][ T8382] REISERFS (device loop1): using ordered data mode [ 266.210203][ T8383] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.223157][ T8384] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 266.223240][ T8384] REISERFS (device loop2): using ordered data mode [ 266.223254][ T8384] reiserfs: using flush barriers [ 266.232486][ T8383] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 266.245062][ T8382] reiserfs: using flush barriers [ 266.253476][ T8383] REISERFS (device loop5): using ordered data mode [pid 8386] munmap(0x7fe58005a000, 4194304) = 0 [pid 8386] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 266.264832][ T8383] reiserfs: using flush barriers [ 266.272019][ T8383] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 266.273931][ T8386] loop4: detected capacity change from 0 to 8192 [ 266.289179][ T8383] REISERFS (device loop5): checking transaction log (loop5) [pid 8386] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8386] close(3) = 0 [pid 8386] mkdir("./bus", 0777) = 0 [ 266.297187][ T8382] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 266.302125][ T8384] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 266.323671][ T8382] REISERFS (device loop1): checking transaction log (loop1) [ 266.335502][ T8384] REISERFS (device loop2): checking transaction log (loop2) [ 266.342431][ T8383] REISERFS (device loop5): Using r5 hash to sort names [ 266.352373][ T8384] REISERFS (device loop2): Using r5 hash to sort names [pid 8386] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8384] <... mount resumed>) = 0 [pid 8384] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8384] chdir("./bus") = 0 [pid 8384] ioctl(4, LOOP_CLR_FD) = 0 [pid 8384] close(4) = 0 [pid 8384] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 266.356055][ T8386] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.363497][ T8384] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 266.376328][ T8382] REISERFS (device loop1): Using r5 hash to sort names [ 266.389218][ T8384] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 266.404980][ T8383] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8384] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8381] <... futex resumed>) = 0 [pid 8381] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8384] <... futex resumed>) = 0 [pid 8381] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8384] mkdir("./file1", 000) = 0 [pid 8384] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8381] <... futex resumed>) = 0 [pid 8384] mkdir("./bus", 000 [pid 8381] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8384] <... mkdir resumed>) = 0 [pid 8381] <... futex resumed>) = 0 [pid 8384] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8384] <... futex resumed>) = 0 [pid 8381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8384] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8381] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 266.415534][ T8386] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 266.428063][ T8386] REISERFS (device loop4): using ordered data mode [ 266.435144][ T8386] reiserfs: using flush barriers [ 266.438872][ T8384] overlayfs: upper fs needs to support d_type. [ 266.441690][ T8382] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 266.456740][ T8384] overlayfs: upper fs does not support tmpfile. [pid 8381] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8381] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8381] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8381] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8391], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8391 [pid 8381] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8381] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8383] <... mount resumed>) = 0 [pid 8383] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8383] chdir("./bus"./strace-static-x86_64: Process 8391 attached ) = 0 [ 266.459503][ T8386] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 266.474647][ T8383] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 266.482092][ T8386] REISERFS (device loop4): checking transaction log (loop4) [ 266.492072][ T8384] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 266.497932][ T8382] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8391] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8383] ioctl(4, LOOP_CLR_FD [pid 8391] mkdir(".", 0777 [pid 8382] <... mount resumed>) = 0 [pid 8383] <... ioctl resumed>) = 0 [pid 8391] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8391] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8383] close(4) = 0 [pid 8383] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 266.514905][ T8386] REISERFS (device loop4): Using r5 hash to sort names [ 266.523141][ T8386] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 266.537812][ T8391] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 266.545351][ T8386] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8383] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8382] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8379] <... futex resumed>) = 0 [pid 8382] <... openat resumed>) = 3 [pid 8379] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8382] chdir("./bus" [pid 8379] <... futex resumed>) = 1 [pid 8382] <... chdir resumed>) = 0 [pid 8379] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8382] ioctl(4, LOOP_CLR_FD) = 0 [pid 8382] close(4 [pid 8383] <... futex resumed>) = 0 [pid 8382] <... close resumed>) = 0 [pid 8382] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8380] <... futex resumed>) = 0 [pid 8382] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8380] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8380] <... futex resumed>) = 0 [pid 8383] mkdir("./file1", 000 [pid 8382] mkdir("./file1", 000 [pid 8380] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8382] <... mkdir resumed>) = 0 [pid 8382] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8380] <... futex resumed>) = 0 [pid 8382] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8380] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8380] <... futex resumed>) = 0 [pid 8382] mkdir("./bus", 000 [pid 8380] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8382] <... mkdir resumed>) = 0 [pid 8382] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8380] <... futex resumed>) = 0 [pid 8382] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8380] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8380] <... futex resumed>) = 0 [pid 8382] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8380] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8391] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8386] <... mount resumed>) = 0 [pid 8384] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8383] <... mkdir resumed>) = 0 [pid 8391] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8383] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8386] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8384] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8391] <... futex resumed>) = 1 [pid 8384] <... futex resumed>) = 0 [pid 8383] <... futex resumed>) = 1 [pid 8381] <... futex resumed>) = 0 [pid 8379] <... futex resumed>) = 0 [pid 8386] <... openat resumed>) = 3 [pid 8379] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8379] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8381] exit_group(0 [pid 8383] mkdir("./bus", 000 [pid 8381] <... exit_group resumed>) = ? [pid 8391] +++ exited with 0 +++ [pid 8386] chdir("./bus" [pid 8383] <... mkdir resumed>) = 0 [pid 8386] <... chdir resumed>) = 0 [pid 8384] +++ exited with 0 +++ [pid 8383] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] +++ exited with 0 +++ [pid 8386] ioctl(4, LOOP_CLR_FD [pid 8383] <... futex resumed>) = 1 [pid 8379] <... futex resumed>) = 0 [pid 8379] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8379] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8386] <... ioctl resumed>) = 0 [pid 8383] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8381, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 8386] close(4 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 8386] <... close resumed>) = 0 [pid 8386] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... restart_syscall resumed>) = 0 [ 266.562887][ T8384] overlayfs: failed to resolve './file0': -2 [ 266.577276][ T8382] overlayfs: upper fs needs to support d_type. [ 266.606707][ T8382] overlayfs: upper fs does not support tmpfile. [pid 8386] <... futex resumed>) = 1 [pid 8385] <... futex resumed>) = 0 [pid 8385] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8385] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8386] mkdir("./file1", 000 [pid 5005] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8386] <... mkdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8386] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8385] <... futex resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8385] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... openat resumed>) = 3 [pid 8385] <... futex resumed>) = 0 [pid 8386] mkdir("./bus", 000 [pid 8385] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] fstat(3, [pid 8386] <... mkdir resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8386] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8385] <... futex resumed>) = 0 [pid 5005] getdents64(3, [pid 8386] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8385] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8385] <... futex resumed>) = 0 [pid 5005] umount2("./201/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8385] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8380] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8380] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8380] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8380] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8392], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8392 [pid 8380] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8380] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8392 attached [pid 8392] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8392] mkdir(".", 0777) = -1 EEXIST (File exists) [ 266.616143][ T8383] overlayfs: upper fs needs to support d_type. [ 266.630381][ T8386] overlayfs: upper fs needs to support d_type. [ 266.638826][ T8382] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 266.652592][ T8383] overlayfs: upper fs does not support tmpfile. [pid 8392] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8379] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8379] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8379] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8393], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8393 [pid 8379] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8379] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8385] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 8393 attached [pid 8393] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8393] mkdir(".", 0777 [pid 8385] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8393] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8393] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8385] <... mmap resumed>) = 0x7fe580439000 [pid 8385] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8385] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8394], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8394 [pid 8385] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8385] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8394 attached [pid 8394] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8394] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8394] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8392] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8392] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8380] <... futex resumed>) = 0 [pid 8392] <... futex resumed>) = 1 [ 266.656506][ T8392] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 266.665168][ T8383] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 266.686867][ T8386] overlayfs: upper fs does not support tmpfile. [ 266.695560][ T8393] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 266.702055][ T8386] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8392] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8393] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8393] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8379] <... futex resumed>) = 0 [pid 8393] <... futex resumed>) = 1 [pid 8393] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./201/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./201/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./201/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./201/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./201/bus") = 0 [pid 5005] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./201/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./201/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./201") = 0 [pid 5005] mkdir("./202", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8395 [pid 8382] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8382] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8395 attached [pid 8382] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 266.728774][ T8382] overlayfs: failed to resolve './file0': -2 [ 266.735343][ T8394] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8380] exit_group(0 [pid 8395] set_robust_list(0x5555568c85e0, 24 [pid 8394] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8392] <... futex resumed>) = ? [pid 8382] <... futex resumed>) = ? [pid 8380] <... exit_group resumed>) = ? [pid 8395] <... set_robust_list resumed>) = 0 [pid 8392] +++ exited with 0 +++ [pid 8395] chdir("./202") = 0 [pid 8395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8395] setpgid(0, 0) = 0 [pid 8395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8394] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8382] +++ exited with 0 +++ [pid 8380] +++ exited with 0 +++ [pid 8395] <... openat resumed>) = 3 [pid 8394] <... futex resumed>) = 1 [pid 8386] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8385] <... futex resumed>) = 0 [pid 8395] write(3, "1000", 4) = 4 [pid 8395] close(3) = 0 [pid 8395] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8395] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8394] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8386] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8383] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8395] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8386] <... futex resumed>) = 0 [pid 8383] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8380, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8386] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8383] <... futex resumed>) = 0 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 8395] <... mprotect resumed>) = 0 [pid 8383] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... restart_syscall resumed>) = 0 [pid 8385] exit_group(0 [pid 8395] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8394] <... futex resumed>) = ? [pid 8386] <... futex resumed>) = ? [pid 8385] <... exit_group resumed>) = ? [pid 8379] exit_group(0./strace-static-x86_64: Process 8396 attached [pid 8394] +++ exited with 0 +++ [pid 8393] <... futex resumed>) = ? [pid 8386] +++ exited with 0 +++ [pid 8385] +++ exited with 0 +++ [pid 8383] <... futex resumed>) = ? [pid 8379] <... exit_group resumed>) = ? [pid 5004] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8395] <... clone resumed>, parent_tid=[8396], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8396 [pid 8393] +++ exited with 0 +++ [pid 8383] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8385, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] fstat(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8379] +++ exited with 0 +++ [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8395] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8379, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5007] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] getdents64(3, [pid 8395] <... futex resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8395] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] fstat(3, [pid 5004] umount2("./199/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8396] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8396] memfd_create("syzkaller", 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 8396] <... memfd_create resumed>) = 3 [pid 5008] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... openat resumed>) = 3 [pid 5007] umount2("./200/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8396] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 266.784223][ T8383] overlayfs: failed to resolve './file0': -2 [ 266.787971][ T8386] overlayfs: failed to resolve './file0': -2 [pid 5008] umount2("./202/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8396] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... umount2 resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5007] umount2("./200/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./202/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./202/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./199/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] lstat("./200/bus", [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] lstat("./199/bus", [pid 5007] umount2("./200/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] openat(AT_FDCWD, "./200/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] umount2("./199/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... openat resumed>) = 4 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] fstat(4, [pid 5004] openat(AT_FDCWD, "./199/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, [pid 5004] <... openat resumed>) = 4 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] fstat(4, [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] close(4 [pid 5004] getdents64(4, [pid 5007] <... close resumed>) = 0 [pid 5007] rmdir("./200/bus" [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] <... rmdir resumed>) = 0 [pid 5004] getdents64(4, [pid 5007] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] close(4 [pid 5007] lstat("./200/binderfs", [pid 5004] <... close resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] rmdir("./199/bus" [pid 5007] unlink("./200/binderfs" [pid 5004] <... rmdir resumed>) = 0 [pid 5008] umount2("./202/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] <... unlink resumed>) = 0 [pid 5004] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] close(3 [pid 5004] lstat("./199/binderfs", [pid 5007] <... close resumed>) = 0 [pid 5007] rmdir("./200" [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./202/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... rmdir resumed>) = 0 [pid 5004] unlink("./199/binderfs" [pid 5008] <... openat resumed>) = 4 [pid 5007] mkdir("./201", 0777 [pid 5008] fstat(4, [pid 5004] <... unlink resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5004] getdents64(3, [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(4, [pid 5007] <... openat resumed>) = 3 [pid 5004] close(3 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5008] getdents64(4, [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(3 [pid 5004] rmdir("./199" [pid 8396] <... write resumed>) = 4194304 [pid 5007] <... close resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 8396] munmap(0x7fe58005a000, 4194304 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] mkdir("./200", 0777./strace-static-x86_64: Process 8397 attached [pid 8396] <... munmap resumed>) = 0 [pid 5008] close(4 [pid 5004] <... mkdir resumed>) = 0 [pid 8397] set_robust_list(0x5555568c85e0, 24 [pid 8396] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] <... close resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8397 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] rmdir("./202/bus" [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 8397] <... set_robust_list resumed>) = 0 [pid 8396] <... openat resumed>) = 4 [pid 5008] <... rmdir resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 8397] chdir("./201" [pid 8396] ioctl(4, LOOP_SET_FD, 3 [pid 5008] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8397] <... chdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./202/binderfs", [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8398 [pid 8397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./202/binderfs"./strace-static-x86_64: Process 8398 attached ) = 0 [pid 5008] getdents64(3, [pid 8397] <... prctl resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8397] setpgid(0, 0 [pid 5008] close(3) = 0 [pid 8397] <... setpgid resumed>) = 0 [pid 5008] rmdir("./202" [pid 8398] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] mkdir("./203", 0777 [pid 8397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8398] chdir("./200" [pid 8397] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [pid 8397] write(3, "1000", 4 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8397] <... write resumed>) = 4 [pid 5008] close(3 [pid 8398] <... chdir resumed>) = 0 [pid 8397] close(3 [pid 8396] <... ioctl resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 8397] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8397] symlink("/dev/binderfs", "./binderfs" [pid 8396] close(3 [pid 8398] <... prctl resumed>) = 0 [pid 8397] <... symlink resumed>) = 0 [pid 8396] <... close resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8399 [pid 8397] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8396] mkdir("./bus", 0777./strace-static-x86_64: Process 8399 attached [pid 8398] setpgid(0, 0 [pid 8397] <... futex resumed>) = 0 [pid 8396] <... mkdir resumed>) = 0 [pid 8397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8396] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8397] <... mmap resumed>) = 0x7fe58845a000 [pid 8398] <... setpgid resumed>) = 0 [pid 8397] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8399] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8397] <... mprotect resumed>) = 0 [pid 8399] chdir("./203" [pid 8398] <... openat resumed>) = 3 [pid 8399] <... chdir resumed>) = 0 [pid 8398] write(3, "1000", 4 [pid 8399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8398] <... write resumed>) = 4 [pid 8399] <... prctl resumed>) = 0 [pid 8398] close(3 [pid 8399] setpgid(0, 0 [pid 8398] <... close resumed>) = 0 [pid 8399] <... setpgid resumed>) = 0 [pid 8398] symlink("/dev/binderfs", "./binderfs" [pid 8399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8398] <... symlink resumed>) = 0 [pid 8399] <... openat resumed>) = 3 [pid 8398] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8399] write(3, "1000", 4 [pid 8398] <... futex resumed>) = 0 [pid 8399] <... write resumed>) = 4 [pid 8398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8399] close(3 [pid 8398] <... mmap resumed>) = 0x7fe58845a000 [pid 8399] <... close resumed>) = 0 [pid 8398] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8399] symlink("/dev/binderfs", "./binderfs" [pid 8398] <... mprotect resumed>) = 0 [pid 8399] <... symlink resumed>) = 0 [pid 8398] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8399] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8398] <... clone resumed>, parent_tid=[8401], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8401 [pid 8399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8398] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8399] <... mmap resumed>) = 0x7fe58845a000 [pid 8398] <... futex resumed>) = 0 [pid 8399] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8398] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8399] <... mprotect resumed>) = 0 [pid 8399] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8402], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8402 [pid 8399] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8399] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8397] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8403], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8403 [pid 8397] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8397] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8401 attached ./strace-static-x86_64: Process 8403 attached ./strace-static-x86_64: Process 8402 attached [pid 8401] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8401] memfd_create("syzkaller", 0) = 3 [ 266.992460][ T8396] loop2: detected capacity change from 0 to 8192 [ 267.024529][ T8396] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8403] set_robust_list(0x7fe58847a9e0, 24 [pid 8402] set_robust_list(0x7fe58847a9e0, 24 [pid 8403] <... set_robust_list resumed>) = 0 [pid 8402] <... set_robust_list resumed>) = 0 [pid 8403] memfd_create("syzkaller", 0 [pid 8402] memfd_create("syzkaller", 0 [pid 8403] <... memfd_create resumed>) = 3 [pid 8403] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8402] <... memfd_create resumed>) = 3 [pid 8403] <... mmap resumed>) = 0x7fe58005a000 [pid 8402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 267.038218][ T8396] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 267.048514][ T8396] REISERFS (device loop2): using ordered data mode [ 267.056378][ T8396] reiserfs: using flush barriers [pid 8401] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 267.081285][ T8396] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8403] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8402] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8403] <... write resumed>) = 4194304 [pid 8403] munmap(0x7fe58005a000, 4194304) = 0 [pid 8403] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 267.128915][ T8396] REISERFS (device loop2): checking transaction log (loop2) [ 267.165057][ T8396] REISERFS (device loop2): Using r5 hash to sort names [pid 8403] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8403] close(3) = 0 [pid 8403] mkdir("./bus", 0777) = 0 [pid 8403] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8396] <... mount resumed>) = 0 [pid 8396] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 267.174020][ T8403] loop4: detected capacity change from 0 to 8192 [ 267.186163][ T8396] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 267.198986][ T8396] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 267.208526][ T8403] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8396] chdir("./bus") = 0 [pid 8396] ioctl(4, LOOP_CLR_FD) = 0 [pid 8402] <... write resumed>) = 4194304 [pid 8401] <... write resumed>) = 4194304 [pid 8396] close(4) = 0 [pid 8396] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8395] <... futex resumed>) = 0 [pid 8396] mkdir("./file1", 000 [pid 8395] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8396] <... mkdir resumed>) = 0 [pid 8395] <... futex resumed>) = 0 [pid 8401] munmap(0x7fe58005a000, 4194304 [pid 8396] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8395] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8401] <... munmap resumed>) = 0 [pid 8396] <... futex resumed>) = 0 [pid 8395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8396] mkdir("./bus", 000 [pid 8395] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8396] <... mkdir resumed>) = 0 [pid 8395] <... futex resumed>) = 0 [pid 8396] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8395] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8396] <... futex resumed>) = 0 [pid 8395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8396] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8395] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8395] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8401] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 267.223980][ T8403] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 267.235424][ T8403] REISERFS (device loop4): using ordered data mode [ 267.242884][ T8403] reiserfs: using flush barriers [ 267.248967][ T8403] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 267.260548][ T8401] loop1: detected capacity change from 0 to 8192 [ 267.266778][ T8403] REISERFS (device loop4): checking transaction log (loop4) [pid 8401] ioctl(4, LOOP_SET_FD, 3 [pid 8402] munmap(0x7fe58005a000, 4194304 [pid 8401] <... ioctl resumed>) = 0 [pid 8402] <... munmap resumed>) = 0 [pid 8402] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8402] ioctl(4, LOOP_SET_FD, 3 [pid 8401] close(3) = 0 [pid 8401] mkdir("./bus", 0777) = 0 [pid 8401] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8395] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8395] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [ 267.272157][ T8396] overlayfs: upper fs needs to support d_type. [ 267.282663][ T8402] loop5: detected capacity change from 0 to 8192 [ 267.292475][ T8403] REISERFS (device loop4): Using r5 hash to sort names [ 267.299512][ T8403] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 267.313831][ T8396] overlayfs: upper fs does not support tmpfile. [ 267.314029][ T8403] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8402] <... ioctl resumed>) = 0 [pid 8402] close(3) = 0 [pid 8402] mkdir("./bus", 0777) = 0 [pid 8402] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8403] <... mount resumed>) = 0 [pid 8403] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8403] chdir("./bus") = 0 [pid 8403] ioctl(4, LOOP_CLR_FD) = 0 [pid 8403] close(4 [pid 8395] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8403] <... close resumed>) = 0 [pid 8395] <... mprotect resumed>) = 0 [pid 8403] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8397] <... futex resumed>) = 0 [pid 8395] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8397] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8403] mkdir("./file1", 000) = 0 [pid 8397] <... futex resumed>) = 0 [pid 8396] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8403] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 267.320591][ T8396] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 267.337254][ T8401] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 267.342124][ T8402] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 267.352347][ T8396] overlayfs: failed to resolve './file0': -2 [ 267.369616][ T8401] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8403] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8407 attached [pid 8397] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8396] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8395] <... clone resumed>, parent_tid=[8407], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8407 [pid 8407] set_robust_list(0x7fe5804599e0, 24 [pid 8397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8396] <... futex resumed>) = 0 [pid 8395] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8396] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8395] <... futex resumed>) = 0 [pid 8397] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8407] <... set_robust_list resumed>) = 0 [pid 8407] mkdir(".", 0777 [pid 8403] <... futex resumed>) = 0 [pid 8397] <... futex resumed>) = 1 [pid 8395] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8407] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8403] mkdir("./bus", 000) = 0 [pid 8397] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8407] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8403] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8403] <... futex resumed>) = 0 [pid 8397] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8403] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8397] <... futex resumed>) = 0 [ 267.382709][ T8401] REISERFS (device loop1): using ordered data mode [ 267.387152][ T8402] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 267.389991][ T8401] reiserfs: using flush barriers [ 267.408154][ T8401] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 267.420994][ T8402] REISERFS (device loop5): using ordered data mode [pid 8397] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8407] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8407] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8395] <... futex resumed>) = 0 [pid 8395] exit_group(0 [pid 8396] <... futex resumed>) = ? [pid 8395] <... exit_group resumed>) = ? [pid 8396] +++ exited with 0 +++ [pid 8407] <... futex resumed>) = ? [pid 8407] +++ exited with 0 +++ [pid 8395] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8395, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 267.424844][ T8401] REISERFS (device loop1): checking transaction log (loop1) [ 267.433153][ T8403] overlayfs: upper fs needs to support d_type. [ 267.438242][ T8402] reiserfs: using flush barriers [ 267.448769][ T8407] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 267.451201][ T8403] overlayfs: upper fs does not support tmpfile. [pid 5005] umount2("./202/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8397] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8397] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8397] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8397] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8408], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8408 [pid 8397] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 267.470476][ T8402] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 267.481296][ T8403] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 267.488153][ T8402] REISERFS (device loop5): checking transaction log (loop5) [ 267.501832][ T8401] REISERFS (device loop1): Using r5 hash to sort names [ 267.509569][ T8401] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 267.523564][ T8402] REISERFS (device loop5): Using r5 hash to sort names [pid 8397] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8408 attached [pid 8408] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8408] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8408] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8403] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8403] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8402] <... mount resumed>) = 0 [pid 8401] <... mount resumed>) = 0 [pid 8403] <... futex resumed>) = 0 [pid 8402] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8401] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8403] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8402] <... openat resumed>) = 3 [pid 8402] chdir("./bus" [pid 8401] <... openat resumed>) = 3 [pid 8402] <... chdir resumed>) = 0 [pid 8401] chdir("./bus" [pid 8402] ioctl(4, LOOP_CLR_FD [pid 8401] <... chdir resumed>) = 0 [pid 8402] <... ioctl resumed>) = 0 [pid 8401] ioctl(4, LOOP_CLR_FD [pid 8402] close(4 [pid 8401] <... ioctl resumed>) = 0 [ 267.530625][ T8402] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 267.543746][ T8403] overlayfs: failed to resolve './file0': -2 [ 267.550384][ T8401] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 267.559956][ T8402] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 267.560625][ T8408] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8408] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8402] <... close resumed>) = 0 [pid 8401] close(4 [pid 5005] <... umount2 resumed>) = 0 [pid 8408] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8402] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8401] <... close resumed>) = 0 [pid 5005] umount2("./202/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8408] <... futex resumed>) = 1 [pid 8402] <... futex resumed>) = 1 [pid 8401] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8399] <... futex resumed>) = 0 [pid 8397] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8408] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8402] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8401] <... futex resumed>) = 1 [pid 8399] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8398] <... futex resumed>) = 0 [pid 8397] exit_group(0 [pid 5005] lstat("./202/bus", [pid 8408] <... futex resumed>) = ? [pid 8403] <... futex resumed>) = ? [pid 8402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8401] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8399] <... futex resumed>) = 0 [pid 8398] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8397] <... exit_group resumed>) = ? [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8408] +++ exited with 0 +++ [pid 8403] +++ exited with 0 +++ [pid 8402] mkdir("./file1", 000 [pid 8401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8399] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8398] <... futex resumed>) = 0 [pid 8397] +++ exited with 0 +++ [pid 5005] umount2("./202/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8402] <... mkdir resumed>) = 0 [pid 8401] mkdir("./file1", 000 [pid 8398] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8397, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 8401] <... mkdir resumed>) = 0 [pid 8401] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8401] <... futex resumed>) = 1 [pid 8398] <... futex resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8402] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8401] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8398] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] openat(AT_FDCWD, "./202/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8402] <... futex resumed>) = 1 [pid 8401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8399] <... futex resumed>) = 0 [pid 8398] <... futex resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 8402] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8401] mkdir("./bus", 000 [pid 8399] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8398] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] fstat(3, [pid 5005] <... openat resumed>) = 4 [pid 8402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8401] <... mkdir resumed>) = 0 [pid 8399] <... futex resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] fstat(4, [pid 8402] mkdir("./bus", 000 [pid 8401] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8399] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] getdents64(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8402] <... mkdir resumed>) = 0 [pid 8401] <... futex resumed>) = 1 [pid 8398] <... futex resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] getdents64(4, [pid 8402] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8401] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8398] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./201/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8402] <... futex resumed>) = 1 [pid 8401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8399] <... futex resumed>) = 0 [pid 8398] <... futex resumed>) = 0 [pid 5005] getdents64(4, [pid 8402] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8401] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8399] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8398] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8399] <... futex resumed>) = 0 [pid 5005] close(4 [pid 8402] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8399] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... close resumed>) = 0 [ 267.662810][ T8401] overlayfs: upper fs needs to support d_type. [ 267.668832][ T8402] overlayfs: upper fs needs to support d_type. [ 267.669229][ T8401] overlayfs: upper fs does not support tmpfile. [ 267.675283][ T8402] overlayfs: upper fs does not support tmpfile. [ 267.684439][ T8401] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 267.689102][ T8402] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 267.699674][ T8401] overlayfs: failed to resolve './file0': -2 [pid 5005] rmdir("./202/bus") = 0 [pid 8398] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8398] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] lstat("./202/binderfs", [pid 8398] <... mmap resumed>) = 0x7fe580439000 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8398] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5005] unlink("./202/binderfs" [pid 8398] <... mprotect resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5005] getdents64(3, [pid 8398] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3 [pid 8398] <... clone resumed>, parent_tid=[8409], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8409 [pid 5005] <... close resumed>) = 0 [pid 8398] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] rmdir("./202" [pid 8398] <... futex resumed>) = 0 [pid 8398] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... rmdir resumed>) = 0 [pid 5005] mkdir("./203", 0777 [pid 8401] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5005] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 8401] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 8401] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8409 attached [pid 8409] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8409] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8409] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8399] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8399] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... close resumed>) = 0 [pid 8399] <... mmap resumed>) = 0x7fe580439000 [pid 8399] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8399] <... mprotect resumed>) = 0 [pid 8399] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8410], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8410 [pid 8399] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8402] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8399] <... futex resumed>) = 0 [pid 8402] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8399] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8411 [pid 8402] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8410 attached [pid 8410] set_robust_list(0x7fe5804599e0, 24) = 0 [ 267.711253][ T8402] overlayfs: failed to resolve './file0': -2 [pid 8402] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8411 attached [pid 8411] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8411] chdir("./203") = 0 [pid 8411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8410] mkdir(".", 0777 [pid 8411] <... prctl resumed>) = 0 [pid 8411] setpgid(0, 0 [pid 8410] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8411] <... setpgid resumed>) = 0 [pid 8411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8410] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8409] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8411] <... openat resumed>) = 3 [pid 8409] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8411] write(3, "1000", 4 [pid 8409] <... futex resumed>) = 1 [pid 8411] <... write resumed>) = 4 [pid 8409] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8398] <... futex resumed>) = 0 [pid 8411] close(3) = 0 [pid 8398] exit_group(0 [pid 8411] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8401] <... futex resumed>) = ? [pid 8398] <... exit_group resumed>) = ? [pid 8411] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8401] +++ exited with 0 +++ [pid 8411] <... futex resumed>) = 0 [pid 8411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8411] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8411] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8412], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8412 [pid 8411] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8411] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8409] <... futex resumed>) = ? [pid 8409] +++ exited with 0 +++ [pid 8398] +++ exited with 0 +++ ./strace-static-x86_64: Process 8412 attached [pid 8410] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8398, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 8412] set_robust_list(0x7fe58847a9e0, 24 [pid 8410] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8412] <... set_robust_list resumed>) = 0 [pid 8410] <... futex resumed>) = 1 [pid 8399] <... futex resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8412] memfd_create("syzkaller", 0 [pid 8399] exit_group(0 [pid 5007] <... umount2 resumed>) = 0 [pid 5004] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8410] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8412] <... memfd_create resumed>) = 3 [pid 8399] <... exit_group resumed>) = ? [pid 8402] <... futex resumed>) = ? [pid 5007] umount2("./201/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... openat resumed>) = 3 [pid 8410] <... futex resumed>) = ? [pid 8412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] fstat(3, [pid 8412] <... mmap resumed>) = 0x7fe58005a000 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8410] +++ exited with 0 +++ [pid 8402] +++ exited with 0 +++ [pid 8399] +++ exited with 0 +++ [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] getdents64(3, [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8399, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./200/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] lstat("./201/bus", [pid 5008] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] umount2("./201/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] fstat(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] openat(AT_FDCWD, "./201/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] getdents64(3, [pid 5007] <... openat resumed>) = 4 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] fstat(4, [pid 5008] umount2("./203/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [ 267.754847][ T8409] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 267.787335][ T8410] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5007] rmdir("./201/bus") = 0 [pid 5007] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./201/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./201/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./201") = 0 [pid 5007] mkdir("./202", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8413 ./strace-static-x86_64: Process 8413 attached [pid 8413] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8413] chdir("./202") = 0 [pid 8413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8413] setpgid(0, 0) = 0 [pid 8413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8412] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... umount2 resumed>) = 0 [pid 8413] <... openat resumed>) = 3 [pid 8413] write(3, "1000", 4) = 4 [pid 8413] close(3) = 0 [pid 8413] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8413] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5004] umount2("./200/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8413] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8413] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8414], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8414 [pid 8413] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8413] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8414 attached [pid 8414] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8414] memfd_create("syzkaller", 0) = 3 [pid 8414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] lstat("./200/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./200/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./200/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./200/bus") = 0 [pid 5004] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./200/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./200/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./200") = 0 [pid 5004] mkdir("./201", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 5008] <... umount2 resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5008] umount2("./203/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./203/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8415 [pid 5008] umount2("./203/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./203/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, ./strace-static-x86_64: Process 8415 attached 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8415] set_robust_list(0x5555568c85e0, 24 [pid 5008] close(4 [pid 8415] <... set_robust_list resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./203/bus") = 0 [pid 8415] chdir("./201" [pid 5008] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8415] <... chdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] lstat("./203/binderfs", [pid 8415] <... prctl resumed>) = 0 [pid 8415] setpgid(0, 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8415] <... setpgid resumed>) = 0 [pid 5008] unlink("./203/binderfs") = 0 [pid 8415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8412] <... write resumed>) = 4194304 [pid 5008] getdents64(3, [pid 8415] <... openat resumed>) = 3 [pid 8412] munmap(0x7fe58005a000, 4194304 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8415] write(3, "1000", 4 [pid 8412] <... munmap resumed>) = 0 [pid 5008] close(3 [pid 8415] <... write resumed>) = 4 [pid 5008] <... close resumed>) = 0 [pid 8415] close(3 [pid 5008] rmdir("./203" [pid 8415] <... close resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 8415] symlink("/dev/binderfs", "./binderfs" [pid 5008] mkdir("./204", 0777 [pid 8415] <... symlink resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 8415] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8412] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8415] <... futex resumed>) = 0 [pid 8412] <... openat resumed>) = 4 [pid 5008] <... openat resumed>) = 3 [pid 8415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8412] ioctl(4, LOOP_SET_FD, 3 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 8415] <... mmap resumed>) = 0x7fe58845a000 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8415] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] close(3 [pid 8415] <... mprotect resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 8415] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8415] <... clone resumed>, parent_tid=[8416], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8416 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8417 [pid 8415] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8415] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8412] <... ioctl resumed>) = 0 [pid 8412] close(3) = 0 [pid 8412] mkdir("./bus", 0777) = 0 [pid 8412] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8417 attached ./strace-static-x86_64: Process 8416 attached [pid 8414] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8416] set_robust_list(0x7fe58847a9e0, 24 [pid 8417] set_robust_list(0x5555568c85e0, 24 [pid 8416] <... set_robust_list resumed>) = 0 [pid 8417] <... set_robust_list resumed>) = 0 [pid 8416] memfd_create("syzkaller", 0 [pid 8417] chdir("./204" [pid 8416] <... memfd_create resumed>) = 3 [pid 8417] <... chdir resumed>) = 0 [pid 8416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8416] <... mmap resumed>) = 0x7fe58005a000 [pid 8417] <... prctl resumed>) = 0 [ 267.989508][ T8412] loop2: detected capacity change from 0 to 8192 [ 268.015391][ T8412] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8417] setpgid(0, 0) = 0 [pid 8417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8417] write(3, "1000", 4) = 4 [pid 8417] close(3) = 0 [pid 8417] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8417] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8417] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8417] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8419], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8419 [pid 8417] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8417] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8419 attached [pid 8414] <... write resumed>) = 4194304 [pid 8419] set_robust_list(0x7fe58847a9e0, 24 [pid 8414] munmap(0x7fe58005a000, 4194304 [pid 8419] <... set_robust_list resumed>) = 0 [pid 8414] <... munmap resumed>) = 0 [pid 8419] memfd_create("syzkaller", 0 [pid 8414] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8419] <... memfd_create resumed>) = 3 [pid 8419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8414] ioctl(4, LOOP_SET_FD, 3 [pid 8419] <... mmap resumed>) = 0x7fe58005a000 [pid 8416] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8414] <... ioctl resumed>) = 0 [ 268.042061][ T8412] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 268.060069][ T8412] REISERFS (device loop2): using ordered data mode [ 268.068114][ T8412] reiserfs: using flush barriers [ 268.075854][ T8414] loop4: detected capacity change from 0 to 8192 [pid 8414] close(3) = 0 [pid 8414] mkdir("./bus", 0777) = 0 [ 268.076666][ T8412] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 268.099070][ T8412] REISERFS (device loop2): checking transaction log (loop2) [ 268.107575][ T8412] REISERFS (device loop2): Using r5 hash to sort names [ 268.115270][ T8412] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 268.128134][ T8412] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8414] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8412] <... mount resumed>) = 0 [pid 8412] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8412] chdir("./bus" [pid 8419] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8412] <... chdir resumed>) = 0 [ 268.137474][ T8414] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.151894][ T8414] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 268.163635][ T8414] REISERFS (device loop4): using ordered data mode [ 268.172047][ T8414] reiserfs: using flush barriers [pid 8412] ioctl(4, LOOP_CLR_FD) = 0 [pid 8412] close(4) = 0 [pid 8412] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8411] <... futex resumed>) = 0 [pid 8412] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8411] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8412] mkdir("./file1", 000 [pid 8411] <... futex resumed>) = 0 [pid 8411] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8412] <... mkdir resumed>) = 0 [pid 8412] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8412] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8411] <... futex resumed>) = 0 [pid 8411] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8412] <... futex resumed>) = 0 [pid 8411] <... futex resumed>) = 1 [pid 8412] mkdir("./bus", 000 [pid 8411] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8412] <... mkdir resumed>) = 0 [pid 8412] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8411] <... futex resumed>) = 0 [pid 8412] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8411] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8411] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8416] <... write resumed>) = 4194304 [pid 8416] munmap(0x7fe58005a000, 4194304) = 0 [ 268.180289][ T8414] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 268.210009][ T8412] overlayfs: upper fs needs to support d_type. [pid 8419] <... write resumed>) = 4194304 [pid 8416] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8416] ioctl(4, LOOP_SET_FD, 3 [pid 8419] munmap(0x7fe58005a000, 4194304) = 0 [pid 8411] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8411] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8411] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8411] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8421], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8421 [pid 8411] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8411] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8421 attached [pid 8421] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8421] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8421] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 268.236131][ T8412] overlayfs: upper fs does not support tmpfile. [ 268.236526][ T8414] REISERFS (device loop4): checking transaction log (loop4) [ 268.245908][ T8416] loop1: detected capacity change from 0 to 8192 [ 268.250762][ T8412] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 268.266475][ T8414] REISERFS (device loop4): Using r5 hash to sort names [pid 8419] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8416] <... ioctl resumed>) = 0 [pid 8416] close(3) = 0 [pid 8416] mkdir("./bus", 0777) = 0 [pid 8416] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8421] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8421] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8411] <... futex resumed>) = 0 [pid 8421] <... futex resumed>) = 1 [pid 8421] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [ 268.274691][ T8414] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 268.287287][ T8421] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 268.290456][ T8416] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.303658][ T8412] overlayfs: failed to resolve './file0': -2 [ 268.316741][ T8416] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 268.321617][ T8419] loop5: detected capacity change from 0 to 8192 [pid 8419] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8414] <... mount resumed>) = 0 [pid 8419] close(3) = 0 [pid 8419] mkdir("./bus", 0777) = 0 [pid 8419] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8412] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8412] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8412] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8414] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8411] exit_group(0 [pid 8421] <... futex resumed>) = ? [pid 8412] <... futex resumed>) = ? [pid 8411] <... exit_group resumed>) = ? [pid 8421] +++ exited with 0 +++ [pid 8412] +++ exited with 0 +++ [pid 8411] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8411, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./203/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8414] <... openat resumed>) = 3 [pid 8414] chdir("./bus") = 0 [pid 8414] ioctl(4, LOOP_CLR_FD) = 0 [pid 8414] close(4) = 0 [pid 8414] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8413] <... futex resumed>) = 0 [pid 8414] mkdir("./file1", 000 [pid 8413] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8414] <... mkdir resumed>) = 0 [pid 8413] <... futex resumed>) = 0 [pid 8414] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8413] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8414] <... futex resumed>) = 0 [pid 8413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8413] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8414] mkdir("./bus", 000 [pid 8413] <... futex resumed>) = 0 [pid 8413] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8414] <... mkdir resumed>) = 0 [pid 8414] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 268.331945][ T8416] REISERFS (device loop1): using ordered data mode [ 268.336979][ T8414] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 268.343480][ T8416] reiserfs: using flush barriers [ 268.359324][ T8416] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8414] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8413] <... futex resumed>) = 0 [pid 8413] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8413] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8414] <... futex resumed>) = 0 [ 268.382759][ T8419] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.384978][ T8416] REISERFS (device loop1): checking transaction log (loop1) [ 268.407015][ T8414] overlayfs: upper fs needs to support d_type. [ 268.411991][ T8419] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 268.416277][ T8414] overlayfs: upper fs does not support tmpfile. [ 268.427053][ T8416] REISERFS (device loop1): Using r5 hash to sort names [pid 8414] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8413] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8413] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8413] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [ 268.429316][ T8414] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 268.452040][ T8419] REISERFS (device loop5): using ordered data mode [ 268.461369][ T8419] reiserfs: using flush barriers [ 268.462098][ T8414] overlayfs: failed to resolve './file0': -2 [ 268.467952][ T8416] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8413] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8424 attached , parent_tid=[8424], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8424 [pid 8424] set_robust_list(0x7fe5804599e0, 24 [pid 8413] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8424] <... set_robust_list resumed>) = 0 [pid 8413] <... futex resumed>) = 0 [pid 8424] mkdir(".", 0777 [pid 8413] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... umount2 resumed>) = 0 [pid 8424] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5005] umount2("./203/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8424] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./203/bus", [pid 8414] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8414] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] umount2("./203/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8414] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8416] <... mount resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./203/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8416] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8416] chdir("./bus") = 0 [pid 8416] ioctl(4, LOOP_CLR_FD) = 0 [pid 8416] close(4) = 0 [pid 8416] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8416] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... openat resumed>) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./203/bus") = 0 [pid 5005] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./203/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./203/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [ 268.486300][ T8419] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 268.497667][ T8416] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 268.516692][ T8419] REISERFS (device loop5): checking transaction log (loop5) [pid 5005] rmdir("./203") = 0 [pid 5005] mkdir("./204", 0777 [pid 8415] <... futex resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 8415] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8415] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8424] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8424] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8413] <... futex resumed>) = 0 [pid 8413] exit_group(0 [pid 8414] <... futex resumed>) = ? [pid 8413] <... exit_group resumed>) = ? [pid 8414] +++ exited with 0 +++ [pid 8424] <... futex resumed>) = ? [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8416] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 8416] mkdir("./file1", 000 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 8416] <... mkdir resumed>) = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 8416] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5005] <... close resumed>) = 0 [pid 8416] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8415] <... futex resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8415] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8415] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8425 [pid 8416] mkdir("./bus", 000) = 0 [pid 8416] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8415] <... futex resumed>) = 0 [pid 8415] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8416] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8415] <... futex resumed>) = 0 [pid 8415] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8424] +++ exited with 0 +++ [pid 8413] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8413, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5007] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, ./strace-static-x86_64: Process 8425 attached 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8425] set_robust_list(0x5555568c85e0, 24 [pid 5007] umount2("./202/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8425] <... set_robust_list resumed>) = 0 [pid 8425] chdir("./204") = 0 [pid 8425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8425] setpgid(0, 0) = 0 [pid 8425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8425] write(3, "1000", 4) = 4 [pid 8425] close(3) = 0 [pid 8425] symlink("/dev/binderfs", "./binderfs") = 0 [ 268.519804][ T8424] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 268.542454][ T8419] REISERFS (device loop5): Using r5 hash to sort names [ 268.567424][ T8416] overlayfs: upper fs needs to support d_type. [pid 8425] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8425] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8425] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8426], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8426 [pid 8425] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8425] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8426 attached [pid 8426] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8426] memfd_create("syzkaller", 0) = 3 [pid 8426] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8415] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8415] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8415] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8427], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8427 [pid 8415] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 268.583282][ T8419] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 268.602716][ T8416] overlayfs: upper fs does not support tmpfile. [ 268.615454][ T8419] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 268.631091][ T8416] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8415] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8427 attached [pid 8427] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8427] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8427] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8419] <... mount resumed>) = 0 [pid 8419] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8419] chdir("./bus") = 0 [pid 8419] ioctl(4, LOOP_CLR_FD) = 0 [pid 8419] close(4) = 0 [pid 8419] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8419] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8417] <... futex resumed>) = 0 [pid 8417] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8419] <... futex resumed>) = 0 [pid 8417] <... futex resumed>) = 1 [pid 8417] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8419] mkdir("./file1", 000) = 0 [pid 8419] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8417] <... futex resumed>) = 0 [pid 8419] mkdir("./bus", 000 [pid 8417] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8419] <... mkdir resumed>) = 0 [pid 8417] <... futex resumed>) = 0 [pid 8419] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8417] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8419] <... futex resumed>) = 0 [pid 8417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8419] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8417] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 8417] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] umount2("./202/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./202/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./202/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 268.647556][ T8427] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 268.687050][ T8419] overlayfs: upper fs needs to support d_type. [pid 5007] openat(AT_FDCWD, "./202/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, [pid 8426] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8427] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8427] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8415] <... futex resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8427] <... futex resumed>) = 1 [pid 8427] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] close(4) = 0 [pid 5007] rmdir("./202/bus") = 0 [pid 5007] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./202/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./202/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./202") = 0 [pid 5007] mkdir("./203", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 8417] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8417] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 8417] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8417] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8417] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8428], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8428 [pid 8417] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8417] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8428 attached [pid 8428] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8428] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8429 [pid 8428] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8416] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8416] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8429 attached ) = 0 [ 268.699923][ T8419] overlayfs: upper fs does not support tmpfile. [ 268.713137][ T8416] overlayfs: failed to resolve './file0': -2 [ 268.722357][ T8419] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8429] set_robust_list(0x5555568c85e0, 24 [pid 8416] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8415] exit_group(0 [pid 8427] <... futex resumed>) = ? [pid 8415] <... exit_group resumed>) = ? [pid 8427] +++ exited with 0 +++ [pid 8429] <... set_robust_list resumed>) = 0 [pid 8416] <... futex resumed>) = ? [pid 8429] chdir("./203" [pid 8426] <... write resumed>) = 4194304 [pid 8416] +++ exited with 0 +++ [pid 8415] +++ exited with 0 +++ [pid 8429] <... chdir resumed>) = 0 [pid 8426] munmap(0x7fe58005a000, 4194304 [pid 8429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8428] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8419] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8428] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8419] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8415, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 8428] <... futex resumed>) = 1 [pid 8419] <... futex resumed>) = 0 [pid 8417] <... futex resumed>) = 0 [pid 5004] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8428] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8419] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8417] exit_group(0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8428] <... futex resumed>) = ? [pid 8419] <... futex resumed>) = ? [pid 8417] <... exit_group resumed>) = ? [pid 5004] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8429] <... prctl resumed>) = 0 [pid 8428] +++ exited with 0 +++ [pid 8419] +++ exited with 0 +++ [pid 8417] +++ exited with 0 +++ [pid 5004] <... openat resumed>) = 3 [pid 8429] setpgid(0, 0 [pid 8426] <... munmap resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8417, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5004] fstat(3, [pid 8429] <... setpgid resumed>) = 0 [pid 8426] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8426] <... openat resumed>) = 4 [pid 5004] getdents64(3, [pid 8426] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8429] <... openat resumed>) = 3 [pid 8429] write(3, "1000", 4) = 4 [pid 8429] close(3) = 0 [ 268.761997][ T8419] overlayfs: failed to resolve './file0': -2 [ 268.783578][ T8428] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8429] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8429] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5004] umount2("./201/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8429] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8429] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8429] <... clone resumed>, parent_tid=[8430], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8430 [pid 8429] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8429] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8430 attached [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8430] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5008] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, [pid 8430] memfd_create("syzkaller", 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8430] <... memfd_create resumed>) = 3 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./204/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8430] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8426] <... ioctl resumed>) = 0 [ 268.808126][ T8426] loop2: detected capacity change from 0 to 8192 [pid 8426] close(3) = 0 [pid 8426] mkdir("./bus", 0777) = 0 [pid 8426] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./201/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./201/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./201/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./201/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./201/bus") = 0 [pid 5004] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./201/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./201/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./201") = 0 [pid 5004] mkdir("./202", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8432 [ 268.881811][ T8426] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8430] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8432 attached [pid 8432] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8432] chdir("./202") = 0 [pid 8432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8432] setpgid(0, 0) = 0 [pid 8432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8432] write(3, "1000", 4) = 4 [pid 8432] close(3) = 0 [pid 8432] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8432] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8432] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8432] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8433], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8433 [pid 8432] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8432] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] umount2("./204/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./204/bus", ./strace-static-x86_64: Process 8433 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8433] set_robust_list(0x7fe58847a9e0, 24 [pid 5008] umount2("./204/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8433] <... set_robust_list resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8433] memfd_create("syzkaller", 0 [pid 5008] openat(AT_FDCWD, "./204/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8433] <... memfd_create resumed>) = 3 [pid 5008] <... openat resumed>) = 4 [pid 8433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] fstat(4, [pid 8433] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./204/bus") = 0 [pid 5008] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./204/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./204/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./204") = 0 [pid 5008] mkdir("./205", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8434 [ 268.924127][ T8426] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 268.945890][ T8426] REISERFS (device loop2): using ordered data mode [ 268.952764][ T8426] reiserfs: using flush barriers ./strace-static-x86_64: Process 8434 attached [pid 8434] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8434] chdir("./205") = 0 [pid 8434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8434] setpgid(0, 0) = 0 [pid 8434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8434] write(3, "1000", 4) = 4 [pid 8434] close(3) = 0 [pid 8434] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8434] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8434] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8434] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8435], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8435 [pid 8434] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8434] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8435 attached [pid 8435] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8435] memfd_create("syzkaller", 0) = 3 [pid 8435] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 268.989841][ T8426] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 269.007865][ T8426] REISERFS (device loop2): checking transaction log (loop2) [ 269.018197][ T8426] REISERFS (device loop2): Using r5 hash to sort names [pid 8430] <... write resumed>) = 4194304 [pid 8430] munmap(0x7fe58005a000, 4194304) = 0 [pid 8430] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8433] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8430] <... openat resumed>) = 4 [pid 8430] ioctl(4, LOOP_SET_FD, 3 [pid 8426] <... mount resumed>) = 0 [pid 8430] <... ioctl resumed>) = 0 [pid 8430] close(3) = 0 [pid 8426] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8430] mkdir("./bus", 0777 [pid 8426] <... openat resumed>) = 3 [pid 8426] chdir("./bus") = 0 [pid 8426] ioctl(4, LOOP_CLR_FD) = 0 [pid 8426] close(4 [pid 8430] <... mkdir resumed>) = 0 [ 269.030935][ T8426] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 269.047620][ T8426] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 269.058691][ T8430] loop4: detected capacity change from 0 to 8192 [pid 8430] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8426] <... close resumed>) = 0 [pid 8426] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8425] <... futex resumed>) = 0 [pid 8426] mkdir("./file1", 000 [pid 8425] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8425] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8426] <... mkdir resumed>) = 0 [pid 8426] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8425] <... futex resumed>) = 0 [pid 8425] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8425] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8426] mkdir("./bus", 000) = 0 [pid 8426] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8425] <... futex resumed>) = 0 [pid 8426] <... futex resumed>) = 1 [pid 8425] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8426] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8425] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 269.082262][ T8430] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.107298][ T8426] overlayfs: upper fs needs to support d_type. [pid 8435] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8425] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 269.131252][ T8430] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 269.140663][ T8426] overlayfs: upper fs does not support tmpfile. [ 269.140906][ T8430] REISERFS (device loop4): using ordered data mode [ 269.154120][ T8430] reiserfs: using flush barriers [ 269.161018][ T8430] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8425] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8425] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8425] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8437], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8437 [pid 8425] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8425] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8437 attached [pid 8437] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8433] <... write resumed>) = 4194304 [pid 8437] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8437] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8430] <... mount resumed>) = 0 [ 269.162006][ T8426] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 269.177705][ T8430] REISERFS (device loop4): checking transaction log (loop4) [ 269.193272][ T8430] REISERFS (device loop4): Using r5 hash to sort names [ 269.200637][ T8430] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 269.213948][ T8430] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 269.225369][ T8426] overlayfs: failed to resolve './file0': -2 [pid 8430] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8435] <... write resumed>) = 4194304 [pid 8433] munmap(0x7fe58005a000, 4194304 [pid 8430] <... openat resumed>) = 3 [pid 8435] munmap(0x7fe58005a000, 4194304 [pid 8433] <... munmap resumed>) = 0 [pid 8430] chdir("./bus" [pid 8435] <... munmap resumed>) = 0 [pid 8433] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8430] <... chdir resumed>) = 0 [pid 8433] <... openat resumed>) = 4 [pid 8430] ioctl(4, LOOP_CLR_FD [pid 8433] ioctl(4, LOOP_SET_FD, 3 [pid 8430] <... ioctl resumed>) = 0 [pid 8437] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8435] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8437] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8435] <... openat resumed>) = 4 [pid 8437] <... futex resumed>) = 1 [pid 8435] ioctl(4, LOOP_SET_FD, 3 [pid 8425] <... futex resumed>) = 0 [pid 8437] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8433] <... ioctl resumed>) = 0 [pid 8426] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8433] close(3 [pid 8426] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] <... close resumed>) = 0 [pid 8426] <... futex resumed>) = 0 [pid 8433] mkdir("./bus", 0777 [pid 8426] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8433] <... mkdir resumed>) = 0 [pid 8433] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8430] close(4) = 0 [pid 8430] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8429] <... futex resumed>) = 0 [pid 8430] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8429] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8429] <... futex resumed>) = 0 [pid 8430] mkdir("./file1", 000 [pid 8429] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8430] <... mkdir resumed>) = 0 [pid 8425] exit_group(0 [pid 8430] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8429] <... futex resumed>) = 0 [pid 8430] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8429] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8429] <... futex resumed>) = 0 [pid 8430] mkdir("./bus", 000 [pid 8429] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8430] <... mkdir resumed>) = 0 [pid 8430] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8429] <... futex resumed>) = 0 [pid 8426] <... futex resumed>) = ? [pid 8425] <... exit_group resumed>) = ? [pid 8430] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8429] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8426] +++ exited with 0 +++ [pid 8430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8429] <... futex resumed>) = 0 [pid 8430] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8429] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8437] <... futex resumed>) = ? [ 269.225622][ T8437] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 269.243149][ T8433] loop1: detected capacity change from 0 to 8192 [ 269.250465][ T8435] loop5: detected capacity change from 0 to 8192 [ 269.264787][ T8430] overlayfs: upper fs needs to support d_type. [ 269.270996][ T8430] overlayfs: upper fs does not support tmpfile. [pid 8437] +++ exited with 0 +++ [pid 8425] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8425, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 8435] <... ioctl resumed>) = 0 [pid 5005] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8435] close(3 [pid 5005] <... openat resumed>) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./204/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8435] <... close resumed>) = 0 [pid 8435] mkdir("./bus", 0777) = 0 [ 269.279315][ T8430] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 269.289369][ T8433] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.295906][ T8430] overlayfs: failed to resolve './file0': -2 [ 269.310617][ T8433] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 269.320465][ T8433] REISERFS (device loop1): using ordered data mode [pid 8435] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8429] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8429] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8429] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8429] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8440], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8440 [pid 8429] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8429] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8440 attached [pid 8440] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8440] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8440] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8430] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8430] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 269.324719][ T8435] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.327682][ T8433] reiserfs: using flush barriers [ 269.340439][ T8435] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 269.354636][ T8435] REISERFS (device loop5): using ordered data mode [ 269.361295][ T8435] reiserfs: using flush barriers [ 269.361753][ T8433] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 269.372739][ T8435] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 269.389973][ T8440] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 269.398860][ T8435] REISERFS (device loop5): checking transaction log (loop5) [ 269.421990][ T8435] REISERFS (device loop5): Using r5 hash to sort names [pid 8430] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./204/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./204/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8440] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8435] <... mount resumed>) = 0 [pid 5005] umount2("./204/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8435] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8435] chdir("./bus") = 0 [pid 8435] ioctl(4, LOOP_CLR_FD) = 0 [pid 8435] close(4 [ 269.429310][ T8435] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 269.451091][ T8433] REISERFS (device loop1): checking transaction log (loop1) [ 269.455199][ T8435] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 269.462277][ T8433] REISERFS (device loop1): Using r5 hash to sort names [pid 8440] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8440] <... futex resumed>) = 1 [pid 8435] <... close resumed>) = 0 [pid 8429] <... futex resumed>) = 0 [pid 8435] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8429] exit_group(0 [pid 8435] <... futex resumed>) = 1 [pid 8435] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8434] <... futex resumed>) = 0 [pid 8430] <... futex resumed>) = ? [pid 8429] <... exit_group resumed>) = ? [pid 8430] +++ exited with 0 +++ [pid 8434] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8435] <... futex resumed>) = 0 [pid 8434] <... futex resumed>) = 1 [pid 8434] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8435] mkdir("./file1", 000) = 0 [pid 5005] openat(AT_FDCWD, "./204/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8435] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8434] <... futex resumed>) = 0 [pid 8435] mkdir("./bus", 000 [pid 8434] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8435] <... mkdir resumed>) = 0 [pid 8434] <... futex resumed>) = 0 [pid 8435] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8434] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8435] <... futex resumed>) = 0 [pid 8434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8435] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8434] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8440] +++ exited with 0 +++ [pid 8434] <... futex resumed>) = 0 [pid 8433] <... mount resumed>) = 0 [pid 8429] +++ exited with 0 +++ [pid 5005] <... openat resumed>) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, [pid 8434] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8429, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./204/bus") = 0 [pid 5005] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./204/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./204/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./204") = 0 [pid 5005] mkdir("./205", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 8433] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5005] ioctl(3, LOOP_CLR_FD [pid 8433] <... openat resumed>) = 3 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8433] chdir("./bus" [pid 5007] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] close(3 [pid 8433] <... chdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... close resumed>) = 0 [pid 8433] ioctl(4, LOOP_CLR_FD [pid 5007] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8435] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5007] <... openat resumed>) = 3 [pid 8435] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] fstat(3, [pid 8435] <... futex resumed>) = 1 [pid 8434] <... futex resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8435] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8434] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] getdents64(3, [pid 8435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8434] <... futex resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 ./strace-static-x86_64: Process 8441 attached [pid 8435] mkdir(".", 0777 [pid 8434] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8433] <... ioctl resumed>) = 0 [ 269.475772][ T8433] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 269.490068][ T8433] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 269.504736][ T8435] overlayfs: upper fs needs to support d_type. [ 269.510943][ T8435] overlayfs: upper fs does not support tmpfile. [ 269.517888][ T8435] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 269.527392][ T8435] overlayfs: failed to resolve './file0': -2 [pid 5007] umount2("./203/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8441] set_robust_list(0x5555568c85e0, 24 [pid 8435] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8433] close(4 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8441 [pid 8441] <... set_robust_list resumed>) = 0 [pid 8435] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8433] <... close resumed>) = 0 [pid 8441] chdir("./205" [pid 8433] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8441] <... chdir resumed>) = 0 [pid 8433] <... futex resumed>) = 1 [pid 8432] <... futex resumed>) = 0 [pid 8441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8433] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8432] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8441] <... prctl resumed>) = 0 [pid 8433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8432] <... futex resumed>) = 0 [pid 8441] setpgid(0, 0 [pid 8433] mkdir("./file1", 000 [pid 8432] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8441] <... setpgid resumed>) = 0 [pid 8433] <... mkdir resumed>) = 0 [pid 8441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8433] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8441] <... openat resumed>) = 3 [pid 8433] <... futex resumed>) = 1 [pid 8432] <... futex resumed>) = 0 [pid 8441] write(3, "1000", 4 [pid 8433] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8432] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8441] <... write resumed>) = 4 [pid 8433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8432] <... futex resumed>) = 0 [pid 8441] close(3 [pid 8433] mkdir("./bus", 000 [pid 8432] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8441] <... close resumed>) = 0 [pid 8433] <... mkdir resumed>) = 0 [pid 8441] symlink("/dev/binderfs", "./binderfs" [pid 8433] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8441] <... symlink resumed>) = 0 [pid 8433] <... futex resumed>) = 1 [pid 8432] <... futex resumed>) = 0 [pid 8441] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8432] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8441] <... futex resumed>) = 0 [pid 8433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8432] <... futex resumed>) = 0 [pid 8441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8433] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8432] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8441] <... mmap resumed>) = 0x7fe58845a000 [pid 8441] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8441] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8442], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8442 [pid 8441] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8441] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8442 attached [pid 8435] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8442] set_robust_list(0x7fe58847a9e0, 24 [pid 8435] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8442] <... set_robust_list resumed>) = 0 [pid 8435] <... futex resumed>) = 1 [pid 8434] <... futex resumed>) = 0 [pid 8435] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8434] exit_group(0 [pid 8435] <... futex resumed>) = ? [pid 8434] <... exit_group resumed>) = ? [pid 8435] +++ exited with 0 +++ [pid 8434] +++ exited with 0 +++ [pid 8442] memfd_create("syzkaller", 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8434, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8442] <... memfd_create resumed>) = 3 [pid 8442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8432] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8432] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8432] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8432] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8443], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8443 [pid 8432] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 269.561070][ T8433] overlayfs: upper fs needs to support d_type. [ 269.569237][ T8435] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 269.572471][ T8433] overlayfs: upper fs does not support tmpfile. [pid 8432] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8443 attached [pid 8443] set_robust_list(0x7fe5804599e0, 24 [pid 5008] <... openat resumed>) = 3 [pid 8443] <... set_robust_list resumed>) = 0 [pid 5008] fstat(3, [pid 8443] mkdir(".", 0777 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8443] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] getdents64(3, [pid 5007] <... umount2 resumed>) = 0 [pid 8443] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./203/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./205/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./203/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./203/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./203/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./203/bus") = 0 [pid 5007] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./203/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./203/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./203") = 0 [pid 5007] mkdir("./204", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [ 269.627543][ T8433] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 269.649308][ T8443] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8444 [pid 8443] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8444 attached [pid 8443] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8444] set_robust_list(0x5555568c85e0, 24 [pid 8443] <... futex resumed>) = 1 [pid 8432] <... futex resumed>) = 0 [pid 8444] <... set_robust_list resumed>) = 0 [pid 8443] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8444] chdir("./204") = 0 [pid 8442] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... umount2 resumed>) = 0 [pid 8444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8433] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] umount2("./205/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8444] <... prctl resumed>) = 0 [pid 8433] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8444] setpgid(0, 0 [pid 8433] <... futex resumed>) = 0 [pid 8432] exit_group(0 [pid 5008] lstat("./205/bus", [pid 8444] <... setpgid resumed>) = 0 [pid 8443] <... futex resumed>) = ? [pid 8432] <... exit_group resumed>) = ? [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8443] +++ exited with 0 +++ [pid 8433] +++ exited with 0 +++ [pid 8432] +++ exited with 0 +++ [pid 5008] umount2("./205/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8444] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8444] write(3, "1000", 4 [pid 5008] openat(AT_FDCWD, "./205/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8432, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 8444] <... write resumed>) = 4 [pid 8444] close(3 [pid 5008] <... openat resumed>) = 4 [pid 8444] <... close resumed>) = 0 [pid 5008] fstat(4, [pid 8444] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8444] <... symlink resumed>) = 0 [pid 5008] getdents64(4, [pid 5004] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8444] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8444] <... futex resumed>) = 0 [pid 5008] getdents64(4, [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8444] <... mmap resumed>) = 0x7fe58845a000 [pid 5008] close(4 [pid 8444] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... close resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 8444] <... mprotect resumed>) = 0 [pid 5008] rmdir("./205/bus" [pid 5004] fstat(3, [pid 8444] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... rmdir resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8444] <... clone resumed>, parent_tid=[8445], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8445 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] getdents64(3, ./strace-static-x86_64: Process 8445 attached [pid 8444] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] lstat("./205/binderfs", [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8445] set_robust_list(0x7fe58847a9e0, 24 [pid 8444] <... futex resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] umount2("./202/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8445] <... set_robust_list resumed>) = 0 [pid 8444] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] unlink("./205/binderfs" [pid 8445] memfd_create("syzkaller", 0) = 3 [pid 5008] <... unlink resumed>) = 0 [pid 8445] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] getdents64(3, [pid 8445] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./205") = 0 [ 269.703914][ T8433] overlayfs: failed to resolve './file0': -2 [pid 5008] mkdir("./206", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8446 [pid 8442] <... write resumed>) = 4194304 [pid 8442] munmap(0x7fe58005a000, 4194304./strace-static-x86_64: Process 8446 attached ) = 0 [pid 8442] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8446] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8446] chdir("./206" [pid 8442] ioctl(4, LOOP_SET_FD, 3 [pid 8446] <... chdir resumed>) = 0 [pid 8446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8446] setpgid(0, 0) = 0 [pid 8446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8446] write(3, "1000", 4) = 4 [pid 8446] close(3) = 0 [pid 8446] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8446] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8446] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8446] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8447], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8447 [pid 8446] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8446] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8447 attached [pid 8447] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8447] memfd_create("syzkaller", 0 [pid 8442] <... ioctl resumed>) = 0 [pid 8447] <... memfd_create resumed>) = 3 [pid 8447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8442] close(3) = 0 [pid 8442] mkdir("./bus", 0777) = 0 [pid 8445] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8442] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./202/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./202/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./202/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 269.812510][ T8442] loop2: detected capacity change from 0 to 8192 [pid 5004] openat(AT_FDCWD, "./202/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./202/bus") = 0 [pid 5004] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./202/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 269.857572][ T8442] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.871223][ T8442] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 269.880445][ T8442] REISERFS (device loop2): using ordered data mode [ 269.887448][ T8442] reiserfs: using flush barriers [pid 5004] unlink("./202/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./202") = 0 [pid 5004] mkdir("./203", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8442] <... mount resumed>) = 0 [pid 8442] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8449 [pid 8442] chdir("./bus" [pid 8447] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8442] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 8449 attached [pid 8449] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8449] chdir("./203") = 0 [pid 8449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8449] setpgid(0, 0) = 0 [pid 8442] ioctl(4, LOOP_CLR_FD [pid 8449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8442] <... ioctl resumed>) = 0 [pid 8449] <... openat resumed>) = 3 [pid 8442] close(4 [pid 8449] write(3, "1000", 4 [pid 8442] <... close resumed>) = 0 [pid 8449] <... write resumed>) = 4 [pid 8449] close(3) = 0 [pid 8449] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8449] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8442] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8449] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8442] <... futex resumed>) = 1 [pid 8441] <... futex resumed>) = 0 [pid 8449] <... mprotect resumed>) = 0 [pid 8442] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8441] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [ 269.893971][ T8442] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 269.910517][ T8442] REISERFS (device loop2): checking transaction log (loop2) [ 269.918750][ T8442] REISERFS (device loop2): Using r5 hash to sort names [ 269.925896][ T8442] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 269.938717][ T8442] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8449] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8445] <... write resumed>) = 4194304 [pid 8442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8441] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8450 attached [pid 8445] munmap(0x7fe58005a000, 4194304 [pid 8442] mkdir("./file1", 000 [pid 8441] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8450] set_robust_list(0x7fe58847a9e0, 24 [pid 8449] <... clone resumed>, parent_tid=[8450], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8450 [pid 8450] <... set_robust_list resumed>) = 0 [pid 8449] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8450] memfd_create("syzkaller", 0 [pid 8449] <... futex resumed>) = 0 [pid 8445] <... munmap resumed>) = 0 [pid 8442] <... mkdir resumed>) = 0 [pid 8450] <... memfd_create resumed>) = 3 [pid 8449] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8445] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8442] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8445] <... openat resumed>) = 4 [pid 8442] <... futex resumed>) = 1 [pid 8441] <... futex resumed>) = 0 [pid 8450] <... mmap resumed>) = 0x7fe58005a000 [pid 8445] ioctl(4, LOOP_SET_FD, 3 [pid 8442] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8441] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8441] <... futex resumed>) = 0 [pid 8445] <... ioctl resumed>) = 0 [pid 8442] mkdir("./bus", 000 [pid 8441] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8445] close(3 [pid 8442] <... mkdir resumed>) = 0 [pid 8445] <... close resumed>) = 0 [pid 8442] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8445] mkdir("./bus", 0777 [pid 8442] <... futex resumed>) = 1 [pid 8441] <... futex resumed>) = 0 [pid 8447] <... write resumed>) = 4194304 [pid 8445] <... mkdir resumed>) = 0 [pid 8442] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8441] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8447] munmap(0x7fe58005a000, 4194304 [pid 8445] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8441] <... futex resumed>) = 0 [pid 8441] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8447] <... munmap resumed>) = 0 [pid 8447] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8442] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8447] <... openat resumed>) = 4 [ 270.000089][ T8445] loop4: detected capacity change from 0 to 8192 [ 270.024446][ T8442] overlayfs: upper fs needs to support d_type. [ 270.030684][ T8442] overlayfs: upper fs does not support tmpfile. [ 270.037884][ T8447] loop5: detected capacity change from 0 to 8192 [pid 8447] ioctl(4, LOOP_SET_FD, 3 [pid 8450] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8447] <... ioctl resumed>) = 0 [pid 8447] close(3) = 0 [pid 8447] mkdir("./bus", 0777) = 0 [pid 8447] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8441] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 270.041411][ T8442] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 270.044291][ T8445] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 270.052490][ T8442] overlayfs: failed to resolve './file0': -2 [ 270.066841][ T8445] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 270.079852][ T8447] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8441] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8442] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8442] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8441] <... mmap resumed>) = 0x7fe580439000 [pid 8442] <... futex resumed>) = 0 [pid 8441] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8442] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8441] <... mprotect resumed>) = 0 [pid 8441] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8453], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8453 [pid 8441] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8441] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8453 attached [pid 8450] <... write resumed>) = 4194304 [ 270.093160][ T8447] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 270.102702][ T8445] REISERFS (device loop4): using ordered data mode [ 270.109560][ T8445] reiserfs: using flush barriers [ 270.125856][ T8445] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 270.133092][ T8447] REISERFS (device loop5): using ordered data mode [pid 8453] set_robust_list(0x7fe5804599e0, 24 [pid 8450] munmap(0x7fe58005a000, 4194304 [pid 8453] <... set_robust_list resumed>) = 0 [pid 8450] <... munmap resumed>) = 0 [pid 8450] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8450] ioctl(4, LOOP_SET_FD, 3 [pid 8453] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8453] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8450] <... ioctl resumed>) = 0 [pid 8450] close(3) = 0 [pid 8450] mkdir("./bus", 0777) = 0 [ 270.145325][ T8445] REISERFS (device loop4): checking transaction log (loop4) [ 270.148548][ T8447] reiserfs: using flush barriers [ 270.158723][ T8445] REISERFS (device loop4): Using r5 hash to sort names [ 270.165324][ T8450] loop1: detected capacity change from 0 to 8192 [ 270.168521][ T8447] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 270.180798][ T8445] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 270.194794][ T8453] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 270.203712][ T8445] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 270.228001][ T8447] REISERFS (device loop5): checking transaction log (loop5) [ 270.227995][ T8450] REISERFS warning: read_super_block: checking transaction log (loop5) [ 270.227995][ T8450] [pid 8450] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8453] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8445] <... mount resumed>) = 0 [pid 8445] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8445] chdir("./bus") = 0 [pid 8445] ioctl(4, LOOP_CLR_FD) = 0 [pid 8445] close(4) = 0 [pid 8445] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8444] <... futex resumed>) = 0 [pid 8444] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8444] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8445] <... futex resumed>) = 1 [pid 8445] mkdir("./file1", 000) = 0 [pid 8445] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8444] <... futex resumed>) = 0 [pid 8444] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8444] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8445] <... futex resumed>) = 1 [pid 8445] mkdir("./bus", 000) = 0 [pid 8445] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8444] <... futex resumed>) = 0 [pid 8444] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8444] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8445] <... futex resumed>) = 1 [pid 8445] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8453] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8441] <... futex resumed>) = 0 [pid 8453] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8441] exit_group(0 [pid 8453] <... futex resumed>) = ? [pid 8442] <... futex resumed>) = ? [pid 8441] <... exit_group resumed>) = ? [pid 8453] +++ exited with 0 +++ [pid 8442] +++ exited with 0 +++ [pid 8441] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8441, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5005] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 270.228025][ T8450] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 270.236632][ T8447] REISERFS (device loop5): Using r5 hash to sort names [ 270.265932][ T8447] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 270.268793][ T8450] REISERFS (device loop1): using ordered data mode [ 270.289358][ T8445] overlayfs: upper fs needs to support d_type. [pid 5005] umount2("./205/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8447] <... mount resumed>) = 0 [pid 8444] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8444] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8444] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8444] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8455], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8455 [pid 8444] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8444] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 270.297623][ T8445] overlayfs: upper fs does not support tmpfile. [ 270.305943][ T8447] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 270.312684][ T8450] reiserfs: using flush barriers [ 270.329374][ T8450] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8447] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 8455 attached [pid 8455] set_robust_list(0x7fe5804599e0, 24 [pid 8447] <... openat resumed>) = 3 [pid 8455] <... set_robust_list resumed>) = 0 [pid 8455] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8455] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 8447] chdir("./bus") = 0 [pid 8447] ioctl(4, LOOP_CLR_FD) = 0 [pid 8455] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8444] <... futex resumed>) = 0 [pid 8455] <... futex resumed>) = 1 [ 270.336187][ T8455] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 270.346181][ T8450] REISERFS (device loop1): checking transaction log (loop1) [ 270.368831][ T8445] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 270.382865][ T8450] REISERFS (device loop1): Using r5 hash to sort names [ 270.390306][ T8450] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8455] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8447] close(4 [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./205/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./205/bus", [pid 8447] <... close resumed>) = 0 [pid 8447] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8446] <... futex resumed>) = 0 [pid 8447] mkdir("./file1", 000 [pid 8446] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8450] <... mount resumed>) = 0 [pid 8447] <... mkdir resumed>) = 0 [pid 8446] <... futex resumed>) = 0 [pid 8450] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8447] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8450] <... openat resumed>) = 3 [pid 8447] <... futex resumed>) = 0 [pid 8446] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8450] chdir("./bus" [pid 8447] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8450] <... chdir resumed>) = 0 [pid 8446] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8445] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8450] ioctl(4, LOOP_CLR_FD [pid 8447] <... futex resumed>) = 0 [pid 8446] <... futex resumed>) = 1 [pid 8445] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8447] mkdir("./bus", 000 [pid 8446] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8444] exit_group(0 [pid 8455] <... futex resumed>) = ? [pid 8447] <... mkdir resumed>) = 0 [pid 8444] <... exit_group resumed>) = ? [pid 8455] +++ exited with 0 +++ [pid 8450] <... ioctl resumed>) = 0 [pid 8447] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8445] <... futex resumed>) = ? [pid 5005] umount2("./205/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8450] close(4 [pid 8447] <... futex resumed>) = 1 [pid 8446] <... futex resumed>) = 0 [pid 8450] <... close resumed>) = 0 [pid 8447] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8446] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8450] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8446] <... futex resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./205/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8450] <... futex resumed>) = 1 [pid 8449] <... futex resumed>) = 0 [pid 8447] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8446] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8450] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8449] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8445] +++ exited with 0 +++ [pid 8444] +++ exited with 0 +++ [pid 5005] <... openat resumed>) = 4 [pid 8450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8449] <... futex resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8444, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5005] fstat(4, [pid 8450] mkdir("./file1", 000 [pid 8449] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8450] <... mkdir resumed>) = 0 [pid 5005] getdents64(4, [pid 8450] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8450] <... futex resumed>) = 1 [pid 8449] <... futex resumed>) = 0 [pid 5005] getdents64(4, [pid 8450] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8449] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8449] <... futex resumed>) = 0 [pid 5005] close(4 [pid 8450] mkdir("./bus", 000 [pid 8449] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... close resumed>) = 0 [pid 8450] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] rmdir("./205/bus" [pid 8450] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... openat resumed>) = 3 [pid 5005] <... rmdir resumed>) = 0 [pid 8450] <... futex resumed>) = 1 [pid 8449] <... futex resumed>) = 0 [ 270.397099][ T8445] overlayfs: failed to resolve './file0': -2 [ 270.409271][ T8450] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 270.443819][ T8447] overlayfs: upper fs needs to support d_type. [ 270.450046][ T8447] overlayfs: upper fs does not support tmpfile. [pid 5007] fstat(3, [pid 5005] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8450] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8449] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8449] <... futex resumed>) = 0 [pid 5005] lstat("./205/binderfs", [pid 8450] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8449] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./205/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./205") = 0 [pid 5005] mkdir("./206", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... close resumed>) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./204/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8446] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8446] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8446] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8456 [pid 8446] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8457], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8457 [pid 8446] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8446] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8447] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8447] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8447] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8457 attached ./strace-static-x86_64: Process 8456 attached [pid 8450] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8449] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8457] set_robust_list(0x7fe5804599e0, 24 [pid 8456] set_robust_list(0x5555568c85e0, 24 [pid 8450] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8449] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8457] <... set_robust_list resumed>) = 0 [pid 8456] <... set_robust_list resumed>) = 0 [pid 8450] <... futex resumed>) = 0 [pid 8449] <... futex resumed>) = 0 [pid 8457] mkdir(".", 0777 [pid 8456] chdir("./206" [pid 8450] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8457] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8456] <... chdir resumed>) = 0 [pid 8449] <... mmap resumed>) = 0x7fe580439000 [ 270.480111][ T8447] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 270.490532][ T8447] overlayfs: failed to resolve './file0': -2 [ 270.491643][ T8450] overlayfs: upper fs needs to support d_type. [ 270.503586][ T8450] overlayfs: upper fs does not support tmpfile. [ 270.510357][ T8450] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 270.520926][ T8450] overlayfs: failed to resolve './file0': -2 [pid 8457] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8449] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8456] <... prctl resumed>) = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 8456] setpgid(0, 0 [pid 8449] <... mprotect resumed>) = 0 [pid 8456] <... setpgid resumed>) = 0 [pid 8449] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] umount2("./204/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8456] <... openat resumed>) = 3 [pid 8449] <... clone resumed>, parent_tid=[8458], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8458 [pid 8456] write(3, "1000", 4 [pid 5007] lstat("./204/bus", [pid 8456] <... write resumed>) = 4 [pid 8449] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8456] close(3 [pid 8449] <... futex resumed>) = 0 [pid 5007] umount2("./204/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8456] <... close resumed>) = 0 [pid 8449] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8456] symlink("/dev/binderfs", "./binderfs" [pid 5007] openat(AT_FDCWD, "./204/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8456] <... symlink resumed>) = 0 [pid 5007] <... openat resumed>) = 4 [pid 8456] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] fstat(4, [pid 8456] <... futex resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 8458 attached [pid 8456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] getdents64(4, [pid 8458] set_robust_list(0x7fe5804599e0, 24 [pid 8456] <... mmap resumed>) = 0x7fe58845a000 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8458] <... set_robust_list resumed>) = 0 [pid 8456] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] getdents64(4, [pid 8458] mkdir(".", 0777 [pid 8457] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8456] <... mprotect resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8458] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8457] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8456] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] close(4 [pid 8458] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8457] <... futex resumed>) = 1 [pid 8446] <... futex resumed>) = 0 [pid 5007] <... close resumed>) = 0 ./strace-static-x86_64: Process 8459 attached [pid 8457] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8456] <... clone resumed>, parent_tid=[8459], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8459 [pid 8446] exit_group(0 [pid 5007] rmdir("./204/bus" [pid 8459] set_robust_list(0x7fe58847a9e0, 24 [pid 8457] <... futex resumed>) = ? [pid 8456] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8447] <... futex resumed>) = ? [pid 8446] <... exit_group resumed>) = ? [pid 5007] <... rmdir resumed>) = 0 [pid 8459] <... set_robust_list resumed>) = 0 [pid 8457] +++ exited with 0 +++ [pid 8456] <... futex resumed>) = 0 [ 270.547797][ T8457] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8447] +++ exited with 0 +++ [pid 8446] +++ exited with 0 +++ [pid 8459] memfd_create("syzkaller", 0 [pid 8456] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8459] <... memfd_create resumed>) = 3 [pid 8459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8446, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8458] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8458] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./204/binderfs", [pid 8458] <... futex resumed>) = 1 [pid 8449] <... futex resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8458] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8449] exit_group(0 [pid 5008] <... openat resumed>) = 3 [pid 5007] unlink("./204/binderfs" [pid 8458] <... futex resumed>) = ? [pid 8450] <... futex resumed>) = ? [pid 8449] <... exit_group resumed>) = ? [pid 5008] fstat(3, [pid 5007] <... unlink resumed>) = 0 [pid 8458] +++ exited with 0 +++ [pid 8450] +++ exited with 0 +++ [pid 8449] +++ exited with 0 +++ [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 5008] getdents64(3, [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] close(3 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8449, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5008] umount2("./206/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... close resumed>) = 0 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5007] rmdir("./204" [pid 5004] <... restart_syscall resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5007] mkdir("./205", 0777 [pid 5004] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] <... openat resumed>) = 3 [pid 5007] <... openat resumed>) = 3 [pid 5004] fstat(3, [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] getdents64(3, [pid 5007] close(3 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] <... close resumed>) = 0 [pid 5004] umount2("./203/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8460 ./strace-static-x86_64: Process 8460 attached [pid 8460] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8460] chdir("./205") = 0 [pid 8460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8460] setpgid(0, 0) = 0 [pid 8460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8460] write(3, "1000", 4) = 4 [pid 8460] close(3) = 0 [pid 8460] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8460] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [ 270.598539][ T8458] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8460] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8460] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8461], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8461 [pid 8460] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8460] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8461 attached [pid 8461] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8461] memfd_create("syzkaller", 0) = 3 [pid 8461] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8459] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./203/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./203/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./203/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = 0 [pid 5004] openat(AT_FDCWD, "./203/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] umount2("./206/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... openat resumed>) = 4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] fstat(4, [pid 5008] lstat("./206/bus", [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, [pid 5008] umount2("./206/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] getdents64(4, [pid 5008] openat(AT_FDCWD, "./206/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4 [pid 5008] <... openat resumed>) = 4 [pid 5004] <... close resumed>) = 0 [pid 5008] fstat(4, [pid 5004] rmdir("./203/bus" [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5008] getdents64(4, [pid 5004] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./203/binderfs", [pid 5008] getdents64(4, [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] unlink("./203/binderfs" [pid 5008] close(4) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 8461] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] rmdir("./206/bus" [pid 5004] getdents64(3, [pid 5008] <... rmdir resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3 [pid 5008] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] rmdir("./203" [pid 5008] lstat("./206/binderfs", [pid 5004] <... rmdir resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] mkdir("./204", 0777 [pid 5008] unlink("./206/binderfs" [pid 5004] <... mkdir resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5008] close(3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./206" [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] <... rmdir resumed>) = 0 [pid 5004] close(3 [pid 5008] mkdir("./207", 0777 [pid 8459] <... write resumed>) = 4194304 [pid 5004] <... close resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 8459] munmap(0x7fe58005a000, 4194304 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8462 [pid 5008] <... openat resumed>) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8463 ./strace-static-x86_64: Process 8463 attached [pid 8459] <... munmap resumed>) = 0 [pid 8459] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8459] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 8462 attached [pid 8463] set_robust_list(0x5555568c85e0, 24 [pid 8459] <... ioctl resumed>) = 0 [pid 8463] <... set_robust_list resumed>) = 0 [pid 8463] chdir("./207") = 0 [pid 8462] set_robust_list(0x5555568c85e0, 24 [pid 8459] close(3 [pid 8463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8462] <... set_robust_list resumed>) = 0 [pid 8459] <... close resumed>) = 0 [pid 8463] <... prctl resumed>) = 0 [pid 8462] chdir("./204" [pid 8459] mkdir("./bus", 0777 [pid 8463] setpgid(0, 0 [pid 8462] <... chdir resumed>) = 0 [pid 8463] <... setpgid resumed>) = 0 [pid 8463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8463] <... openat resumed>) = 3 [pid 8462] setpgid(0, 0 [pid 8459] <... mkdir resumed>) = 0 [pid 8463] write(3, "1000", 4 [pid 8462] <... setpgid resumed>) = 0 [pid 8463] <... write resumed>) = 4 [pid 8459] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8463] close(3 [pid 8462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8463] <... close resumed>) = 0 [pid 8462] <... openat resumed>) = 3 [pid 8463] symlink("/dev/binderfs", "./binderfs" [pid 8462] write(3, "1000", 4 [pid 8463] <... symlink resumed>) = 0 [pid 8462] <... write resumed>) = 4 [pid 8463] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8462] close(3 [pid 8463] <... futex resumed>) = 0 [pid 8462] <... close resumed>) = 0 [pid 8463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8462] symlink("/dev/binderfs", "./binderfs" [pid 8463] <... mmap resumed>) = 0x7fe58845a000 [pid 8462] <... symlink resumed>) = 0 [pid 8463] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8462] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8463] <... mprotect resumed>) = 0 [pid 8462] <... futex resumed>) = 0 [pid 8463] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8463] <... clone resumed>, parent_tid=[8465], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8465 [pid 8462] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8463] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8462] <... mprotect resumed>) = 0 [pid 8463] <... futex resumed>) = 0 [pid 8462] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8463] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8462] <... clone resumed>, parent_tid=[8466], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8466 [pid 8462] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8462] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8465 attached ./strace-static-x86_64: Process 8466 attached [pid 8461] <... write resumed>) = 4194304 [ 270.804947][ T8459] loop2: detected capacity change from 0 to 8192 [ 270.830878][ T8459] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8466] set_robust_list(0x7fe58847a9e0, 24 [pid 8461] munmap(0x7fe58005a000, 4194304 [pid 8465] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8465] memfd_create("syzkaller", 0) = 3 [pid 8465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8461] <... munmap resumed>) = 0 [pid 8466] <... set_robust_list resumed>) = 0 [pid 8461] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8466] memfd_create("syzkaller", 0 [pid 8461] <... openat resumed>) = 4 [pid 8466] <... memfd_create resumed>) = 3 [pid 8461] ioctl(4, LOOP_SET_FD, 3 [pid 8466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8461] <... ioctl resumed>) = 0 [pid 8461] close(3) = 0 [pid 8461] mkdir("./bus", 0777) = 0 [ 270.850078][ T8459] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 270.862712][ T8459] REISERFS (device loop2): using ordered data mode [ 270.870113][ T8459] reiserfs: using flush barriers [ 270.876082][ T8461] loop4: detected capacity change from 0 to 8192 [pid 8461] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8465] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 270.900305][ T8459] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 270.917784][ T8461] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 270.941973][ T8461] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8466] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8465] <... write resumed>) = 4194304 [pid 8465] munmap(0x7fe58005a000, 4194304) = 0 [pid 8465] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8465] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8465] close(3) = 0 [pid 8465] mkdir("./bus", 0777) = 0 [ 270.959716][ T8459] REISERFS (device loop2): checking transaction log (loop2) [ 270.970360][ T8461] REISERFS (device loop4): using ordered data mode [ 270.984777][ T8465] loop5: detected capacity change from 0 to 8192 [ 270.991422][ T8459] REISERFS (device loop2): Using r5 hash to sort names [ 270.994921][ T8461] reiserfs: using flush barriers [pid 8465] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8466] <... write resumed>) = 4194304 [ 270.999098][ T8459] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 271.016533][ T8461] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 271.033040][ T8465] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 271.033301][ T8461] REISERFS (device loop4): checking transaction log (loop4) [pid 8466] munmap(0x7fe58005a000, 4194304) = 0 [pid 8466] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8466] ioctl(4, LOOP_SET_FD, 3 [pid 8459] <... mount resumed>) = 0 [pid 8466] <... ioctl resumed>) = 0 [pid 8466] close(3) = 0 [pid 8466] mkdir("./bus", 0777) = 0 [pid 8466] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8459] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8459] chdir("./bus") = 0 [pid 8459] ioctl(4, LOOP_CLR_FD) = 0 [pid 8459] close(4) = 0 [pid 8459] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8456] <... futex resumed>) = 0 [pid 8459] mkdir("./file1", 000 [pid 8456] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8459] <... mkdir resumed>) = 0 [pid 8456] <... futex resumed>) = 0 [pid 8459] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8456] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8459] <... futex resumed>) = 0 [pid 8456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8459] mkdir("./bus", 000 [pid 8456] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8459] <... mkdir resumed>) = 0 [pid 8456] <... futex resumed>) = 0 [pid 8459] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8456] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8459] <... futex resumed>) = 0 [pid 8456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8459] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8456] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8456] <... futex resumed>) = 0 [ 271.054291][ T8459] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 271.055433][ T8466] loop1: detected capacity change from 0 to 8192 [ 271.064421][ T8465] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 271.079656][ T8465] REISERFS (device loop5): using ordered data mode [ 271.086639][ T8461] REISERFS (device loop4): Using r5 hash to sort names [ 271.093805][ T8461] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8459] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 271.098686][ T8459] overlayfs: upper fs needs to support d_type. [ 271.110136][ T8465] reiserfs: using flush barriers [ 271.114827][ T8466] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 271.119533][ T8461] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 271.132594][ T8459] overlayfs: upper fs does not support tmpfile. [pid 8456] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8456] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8456] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8456] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8470], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8470 [pid 8456] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8456] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8470 attached [pid 8470] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8470] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8470] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8461] <... mount resumed>) = 0 [pid 8461] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8461] chdir("./bus") = 0 [pid 8461] ioctl(4, LOOP_CLR_FD) = 0 [pid 8461] close(4) = 0 [pid 8461] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 271.140365][ T8465] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 271.163463][ T8466] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 271.168582][ T8459] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 271.182322][ T8459] overlayfs: failed to resolve './file0': -2 [pid 8461] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8460] <... futex resumed>) = 0 [pid 8460] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8461] <... futex resumed>) = 0 [pid 8460] <... futex resumed>) = 1 [pid 8461] mkdir("./file1", 000 [pid 8460] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8461] <... mkdir resumed>) = 0 [pid 8461] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8460] <... futex resumed>) = 0 [pid 8461] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8460] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8460] <... futex resumed>) = 0 [pid 8461] mkdir("./bus", 000 [pid 8460] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8461] <... mkdir resumed>) = 0 [pid 8461] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8461] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8460] <... futex resumed>) = 0 [pid 8460] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8461] <... futex resumed>) = 0 [pid 8460] <... futex resumed>) = 1 [pid 8461] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 271.200835][ T8470] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 271.210697][ T8465] REISERFS (device loop5): checking transaction log (loop5) [ 271.228408][ T8466] REISERFS (device loop1): using ordered data mode [ 271.228967][ T8461] overlayfs: upper fs needs to support d_type. [ 271.234985][ T8466] reiserfs: using flush barriers [ 271.246785][ T8465] REISERFS (device loop5): Using r5 hash to sort names [ 271.253607][ T8461] overlayfs: upper fs does not support tmpfile. [pid 8460] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8460] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8460] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8460] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8471], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8471 [pid 8460] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8460] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8471 attached [pid 8471] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8471] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8471] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8465] <... mount resumed>) = 0 [pid 8465] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8465] chdir("./bus") = 0 [pid 8465] ioctl(4, LOOP_CLR_FD) = 0 [ 271.254735][ T8465] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 271.260429][ T8466] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 271.272628][ T8465] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8470] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8465] close(4 [pid 8471] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8470] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8465] <... close resumed>) = 0 [pid 8459] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8470] <... futex resumed>) = 1 [pid 8465] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8459] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8456] <... futex resumed>) = 0 [pid 8470] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8465] <... futex resumed>) = 1 [pid 8463] <... futex resumed>) = 0 [pid 8459] <... futex resumed>) = 0 [pid 8456] exit_group(0 [pid 8470] <... futex resumed>) = ? [pid 8465] mkdir("./file1", 000 [pid 8463] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8456] <... exit_group resumed>) = ? [pid 8470] +++ exited with 0 +++ [pid 8465] <... mkdir resumed>) = 0 [pid 8463] <... futex resumed>) = 0 [pid 8459] +++ exited with 0 +++ [pid 8456] +++ exited with 0 +++ [pid 8465] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8463] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8456, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 8465] <... futex resumed>) = 0 [pid 8463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8465] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8463] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8463] <... futex resumed>) = 0 [pid 5005] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8465] mkdir("./bus", 000 [pid 8463] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8465] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8465] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... openat resumed>) = 3 [pid 8465] <... futex resumed>) = 1 [pid 8463] <... futex resumed>) = 0 [pid 5005] fstat(3, [pid 8465] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8463] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8463] <... futex resumed>) = 0 [pid 5005] getdents64(3, [ 271.314550][ T8461] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 271.321809][ T8471] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 271.326742][ T8466] REISERFS (device loop1): checking transaction log (loop1) [ 271.339390][ T8461] overlayfs: failed to resolve './file0': -2 [pid 8465] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8463] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8471] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./206/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8471] <... futex resumed>) = 1 [pid 8461] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8460] <... futex resumed>) = 0 [pid 8471] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8461] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8460] exit_group(0 [pid 8471] <... futex resumed>) = ? [pid 8461] <... futex resumed>) = ? [pid 8460] <... exit_group resumed>) = ? [pid 8471] +++ exited with 0 +++ [pid 8461] +++ exited with 0 +++ [pid 8460] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8460, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [ 271.368023][ T8465] overlayfs: upper fs needs to support d_type. [ 271.376289][ T8466] REISERFS (device loop1): Using r5 hash to sort names [ 271.381405][ T8465] overlayfs: upper fs does not support tmpfile. [ 271.386859][ T8466] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 271.390041][ T8465] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 271.410681][ T8465] overlayfs: failed to resolve './file0': -2 [pid 5007] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8463] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8463] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8463] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8463] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8472], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8472 [pid 8463] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8463] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8472 attached [pid 8472] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8472] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8472] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5007] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8466] <... mount resumed>) = 0 [pid 5007] fstat(3, [pid 8466] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./205/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8466] <... openat resumed>) = 3 [pid 8466] chdir("./bus") = 0 [pid 8466] ioctl(4, LOOP_CLR_FD [pid 8465] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8465] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8466] <... ioctl resumed>) = 0 [pid 8466] close(4 [pid 8465] <... futex resumed>) = 0 [pid 8465] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8466] <... close resumed>) = 0 [pid 8466] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8462] <... futex resumed>) = 0 [pid 8462] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8462] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8466] <... futex resumed>) = 1 [pid 8466] mkdir("./file1", 000) = 0 [pid 8466] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8462] <... futex resumed>) = 0 [pid 8462] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8462] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8466] <... futex resumed>) = 1 [pid 8466] mkdir("./bus", 000) = 0 [pid 8466] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8462] <... futex resumed>) = 0 [pid 8466] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8462] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 271.420486][ T8466] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8462] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8472] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = 0 [pid 8472] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8463] <... futex resumed>) = 0 [pid 8472] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8463] exit_group(0 [pid 8472] <... futex resumed>) = ? [pid 8465] <... futex resumed>) = ? [pid 8463] <... exit_group resumed>) = ? [pid 8465] +++ exited with 0 +++ [pid 8462] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8462] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8472] +++ exited with 0 +++ [pid 8463] +++ exited with 0 +++ [pid 8462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8462] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8462] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8473], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8473 [pid 8462] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8462] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] umount2("./206/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./206/bus", ./strace-static-x86_64: Process 8473 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8463, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8473] set_robust_list(0x7fe5804599e0, 24 [pid 5005] umount2("./206/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8473] <... set_robust_list resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8473] mkdir(".", 0777 [pid 5005] openat(AT_FDCWD, "./206/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8473] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8473] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(4, [pid 5008] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./207/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 271.467783][ T8466] overlayfs: upper fs needs to support d_type. [ 271.479001][ T8472] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 271.481222][ T8466] overlayfs: upper fs does not support tmpfile. [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./206/bus") = 0 [pid 5005] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./206/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./206/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./206") = 0 [pid 5005] mkdir("./207", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8474 ./strace-static-x86_64: Process 8474 attached [pid 8474] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8474] chdir("./207" [pid 8473] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = 0 [pid 8474] <... chdir resumed>) = 0 [pid 8473] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./205/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8473] <... futex resumed>) = 1 [pid 8474] <... prctl resumed>) = 0 [pid 8473] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8474] setpgid(0, 0 [pid 5007] lstat("./205/bus", [pid 8474] <... setpgid resumed>) = 0 [pid 8462] <... futex resumed>) = 0 [ 271.545141][ T8473] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8474] write(3, "1000", 4 [pid 5007] umount2("./205/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8474] <... write resumed>) = 4 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8474] close(3 [pid 5007] openat(AT_FDCWD, "./205/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8474] <... close resumed>) = 0 [pid 8474] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... openat resumed>) = 4 [pid 8474] <... symlink resumed>) = 0 [pid 5007] fstat(4, [pid 8474] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] getdents64(4, [pid 8474] <... mmap resumed>) = 0x7fe58845a000 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8474] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] getdents64(4, [pid 8474] <... mprotect resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4 [pid 8474] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... close resumed>) = 0 ./strace-static-x86_64: Process 8475 attached [pid 8466] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5007] rmdir("./205/bus" [pid 8475] set_robust_list(0x7fe58847a9e0, 24 [pid 8474] <... clone resumed>, parent_tid=[8475], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8475 [pid 8466] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8462] exit_group(0 [pid 8475] <... set_robust_list resumed>) = 0 [pid 8474] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8473] <... futex resumed>) = ? [pid 8466] <... futex resumed>) = ? [pid 8462] <... exit_group resumed>) = ? [pid 5007] <... rmdir resumed>) = 0 [pid 8475] memfd_create("syzkaller", 0 [pid 8474] <... futex resumed>) = 0 [pid 8473] +++ exited with 0 +++ [pid 8466] +++ exited with 0 +++ [pid 8462] +++ exited with 0 +++ [pid 5007] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8475] <... memfd_create resumed>) = 3 [pid 8474] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8475] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] lstat("./205/binderfs", [pid 8475] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8462, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5007] unlink("./205/binderfs" [pid 5004] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... unlink resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5004] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3 [pid 5004] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5004] fstat(3, [pid 5007] rmdir("./205" [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5004] getdents64(3, [pid 5007] mkdir("./206", 0777 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] <... mkdir resumed>) = 0 [pid 5004] umount2("./204/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 271.589297][ T8466] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 271.605485][ T8466] overlayfs: failed to resolve './file0': -2 [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8476 ./strace-static-x86_64: Process 8476 attached [pid 8476] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8476] chdir("./206") = 0 [pid 8476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8476] setpgid(0, 0) = 0 [pid 8476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8476] write(3, "1000", 4) = 4 [pid 8476] close(3 [pid 8475] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8476] <... close resumed>) = 0 [pid 8476] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8476] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8476] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8476] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8477], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8477 [pid 8476] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8476] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8477 attached [pid 8477] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8477] memfd_create("syzkaller", 0) = 3 [pid 8477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./207/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./207/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./207/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./207/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./207/bus") = 0 [pid 5008] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./207/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./207/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./207") = 0 [pid 5008] mkdir("./208", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8478 ./strace-static-x86_64: Process 8478 attached [pid 8478] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8478] chdir("./208") = 0 [pid 8478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8478] setpgid(0, 0) = 0 [pid 8478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8478] write(3, "1000", 4) = 4 [pid 5004] <... umount2 resumed>) = 0 [pid 8478] close(3) = 0 [pid 8478] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8478] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8478] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8477] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8478] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] umount2("./204/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8478] <... clone resumed>, parent_tid=[8479], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8479 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8478] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5004] lstat("./204/bus", [pid 8478] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./204/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./204/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./204/bus") = 0 [pid 5004] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8475] <... write resumed>) = 4194304 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8475] munmap(0x7fe58005a000, 4194304 [pid 5004] lstat("./204/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./204/binderfs") = 0 [pid 5004] getdents64(3, [pid 8475] <... munmap resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8475] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] close(3 [pid 8475] <... openat resumed>) = 4 [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./204" [pid 8475] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 8479 attached [pid 5004] mkdir("./205", 0777 [pid 8479] set_robust_list(0x7fe58847a9e0, 24 [pid 5004] <... mkdir resumed>) = 0 [pid 8479] <... set_robust_list resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8479] memfd_create("syzkaller", 0 [pid 5004] <... openat resumed>) = 3 [pid 8479] <... memfd_create resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 8479] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8479] <... mmap resumed>) = 0x7fe58005a000 [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8480 ./strace-static-x86_64: Process 8480 attached [pid 8480] set_robust_list(0x5555568c85e0, 24 [pid 8475] <... ioctl resumed>) = 0 [pid 8480] <... set_robust_list resumed>) = 0 [pid 8475] close(3 [pid 8480] chdir("./205" [pid 8475] <... close resumed>) = 0 [pid 8480] <... chdir resumed>) = 0 [pid 8475] mkdir("./bus", 0777 [pid 8480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8475] <... mkdir resumed>) = 0 [pid 8480] setpgid(0, 0 [pid 8475] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8480] <... setpgid resumed>) = 0 [pid 8480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8480] write(3, "1000", 4) = 4 [pid 8480] close(3) = 0 [pid 8477] <... write resumed>) = 4194304 [pid 8480] symlink("/dev/binderfs", "./binderfs" [pid 8477] munmap(0x7fe58005a000, 4194304 [pid 8480] <... symlink resumed>) = 0 [pid 8480] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8477] <... munmap resumed>) = 0 [pid 8480] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8477] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8480] <... mprotect resumed>) = 0 [pid 8477] <... openat resumed>) = 4 [pid 8480] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8477] ioctl(4, LOOP_SET_FD, 3 [pid 8480] <... clone resumed>, parent_tid=[8482], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8482 ./strace-static-x86_64: Process 8482 attached [ 271.798037][ T8475] loop2: detected capacity change from 0 to 8192 [ 271.834494][ T8475] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8482] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8482] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8480] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8477] <... ioctl resumed>) = 0 [pid 8480] <... futex resumed>) = 1 [pid 8477] close(3 [pid 8480] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8477] <... close resumed>) = 0 [pid 8477] mkdir("./bus", 0777 [pid 8482] <... futex resumed>) = 0 [pid 8477] <... mkdir resumed>) = 0 [pid 8482] memfd_create("syzkaller", 0 [pid 8477] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8482] <... memfd_create resumed>) = 3 [pid 8482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 271.854744][ T8477] loop4: detected capacity change from 0 to 8192 [ 271.857730][ T8475] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 271.878014][ T8475] REISERFS (device loop2): using ordered data mode [ 271.892258][ T8475] reiserfs: using flush barriers [pid 8479] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8482] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8479] <... write resumed>) = 4194304 [ 271.898093][ T8477] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 271.899208][ T8475] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 271.921163][ T8477] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8479] munmap(0x7fe58005a000, 4194304) = 0 [pid 8479] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8479] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8479] close(3) = 0 [pid 8479] mkdir("./bus", 0777) = 0 [pid 8479] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8482] <... write resumed>) = 4194304 [pid 8482] munmap(0x7fe58005a000, 4194304) = 0 [pid 8482] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 271.956196][ T8477] REISERFS (device loop4): using ordered data mode [ 271.967375][ T8475] REISERFS (device loop2): checking transaction log (loop2) [ 271.975293][ T8477] reiserfs: using flush barriers [ 271.980578][ T8479] loop5: detected capacity change from 0 to 8192 [ 271.988975][ T8475] REISERFS (device loop2): Using r5 hash to sort names [pid 8482] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8482] close(3) = 0 [pid 8482] mkdir("./bus", 0777) = 0 [ 272.000484][ T8477] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.007829][ T8482] loop1: detected capacity change from 0 to 8192 [ 272.017485][ T8475] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 272.027543][ T8477] REISERFS (device loop4): checking transaction log (loop4) [ 272.035674][ T8475] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8482] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8475] <... mount resumed>) = 0 [pid 8475] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8475] chdir("./bus") = 0 [pid 8475] ioctl(4, LOOP_CLR_FD) = 0 [pid 8475] close(4) = 0 [pid 8475] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8474] <... futex resumed>) = 0 [pid 8475] mkdir("./file1", 000 [pid 8474] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8475] <... mkdir resumed>) = 0 [pid 8474] <... futex resumed>) = 0 [pid 8475] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8474] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8475] <... futex resumed>) = 0 [pid 8474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8475] mkdir("./bus", 000 [pid 8474] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8475] <... mkdir resumed>) = 0 [pid 8474] <... futex resumed>) = 0 [pid 8475] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8474] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8475] <... futex resumed>) = 0 [pid 8474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8475] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8474] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 272.044278][ T8479] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 272.065614][ T8482] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 272.074916][ T8479] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 272.079225][ T8475] overlayfs: upper fs needs to support d_type. [ 272.089925][ T8479] REISERFS (device loop5): using ordered data mode [ 272.094271][ T8482] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 272.109937][ T8475] overlayfs: upper fs does not support tmpfile. [ 272.116380][ T8477] REISERFS (device loop4): Using r5 hash to sort names [ 272.123487][ T8477] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 272.127812][ T8479] reiserfs: using flush barriers [ 272.136698][ T8475] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 272.148197][ T8482] REISERFS (device loop1): using ordered data mode [pid 8474] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8474] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8474] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8474] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8486], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8486 [pid 8474] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8486 attached [pid 8474] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8486] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8477] <... mount resumed>) = 0 [pid 8477] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8477] chdir("./bus") = 0 [pid 8477] ioctl(4, LOOP_CLR_FD) = 0 [ 272.149577][ T8479] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.170915][ T8477] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 272.180384][ T8482] reiserfs: using flush barriers [ 272.181596][ T8479] REISERFS (device loop5): checking transaction log (loop5) [ 272.186879][ T8475] overlayfs: failed to resolve './file0': -2 [ 272.194338][ T8479] REISERFS (device loop5): Using r5 hash to sort names [pid 8477] close(4 [pid 8486] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8477] <... close resumed>) = 0 [pid 8477] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8476] <... futex resumed>) = 0 [pid 8476] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8477] <... futex resumed>) = 1 [pid 8476] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8477] mkdir("./file1", 000) = 0 [pid 8477] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8476] <... futex resumed>) = 0 [pid 8477] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8476] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8476] <... futex resumed>) = 0 [pid 8477] mkdir("./bus", 000 [pid 8476] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8477] <... mkdir resumed>) = 0 [pid 8477] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8476] <... futex resumed>) = 0 [pid 8477] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8476] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8486] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8476] <... futex resumed>) = 0 [pid 8477] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 272.207237][ T8479] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 272.210564][ T8482] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.234515][ T8479] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8476] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8486] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8479] <... mount resumed>) = 0 [pid 8486] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8479] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8486] <... futex resumed>) = 1 [pid 8474] <... futex resumed>) = 0 [pid 8479] <... openat resumed>) = 3 [pid 8486] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8479] chdir("./bus") = 0 [pid 8479] ioctl(4, LOOP_CLR_FD) = 0 [pid 8476] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8479] close(4 [pid 8475] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8479] <... close resumed>) = 0 [pid 8475] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8475] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8476] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8476] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8476] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8487], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8487 [pid 8476] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 272.260848][ T8477] overlayfs: upper fs needs to support d_type. [ 272.262751][ T8486] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 272.281720][ T8477] overlayfs: upper fs does not support tmpfile. [ 272.289447][ T8482] REISERFS (device loop1): checking transaction log (loop1) [ 272.290561][ T8477] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 272.298016][ T8482] REISERFS (device loop1): Using r5 hash to sort names [pid 8476] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8479] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8487 attached [pid 8487] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8487] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8487] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8479] <... futex resumed>) = 1 [pid 8474] exit_group(0 [pid 8478] <... futex resumed>) = 0 [pid 8486] <... futex resumed>) = ? [pid 8479] mkdir("./file1", 000 [pid 8478] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8475] <... futex resumed>) = ? [pid 8474] <... exit_group resumed>) = ? [pid 8486] +++ exited with 0 +++ [pid 8479] <... mkdir resumed>) = 0 [pid 8478] <... futex resumed>) = 0 [pid 8475] +++ exited with 0 +++ [pid 8474] +++ exited with 0 +++ [pid 8478] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8479] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8474, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 8479] <... futex resumed>) = 0 [pid 8478] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8479] mkdir("./bus", 000 [pid 8478] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8479] <... mkdir resumed>) = 0 [pid 5005] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8487] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8487] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8476] <... futex resumed>) = 0 [pid 8487] <... futex resumed>) = 1 [pid 8487] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8479] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8479] <... futex resumed>) = 1 [pid 8478] <... futex resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8479] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8478] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8477] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5005] <... openat resumed>) = 3 [pid 8478] <... futex resumed>) = 0 [pid 8477] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [ 272.317776][ T8482] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 272.322811][ T8477] overlayfs: failed to resolve './file0': -2 [ 272.342485][ T8487] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 272.346232][ T8482] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5005] fstat(3, [pid 8476] exit_group(0) = ? [pid 8487] <... futex resumed>) = ? [pid 8478] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8477] <... futex resumed>) = ? [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8477] +++ exited with 0 +++ [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8482] <... mount resumed>) = 0 [pid 5005] umount2("./207/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8487] +++ exited with 0 +++ [pid 8476] +++ exited with 0 +++ [pid 8482] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8482] chdir("./bus" [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8476, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 8482] <... chdir resumed>) = 0 [pid 8482] ioctl(4, LOOP_CLR_FD) = 0 [pid 8482] close(4) = 0 [pid 8482] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8480] <... futex resumed>) = 0 [pid 8480] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8480] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8482] <... futex resumed>) = 1 [pid 8482] mkdir("./file1", 000) = 0 [pid 8482] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8480] <... futex resumed>) = 0 [pid 8480] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8480] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./206/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8482] <... futex resumed>) = 1 [pid 8482] mkdir("./bus", 000) = 0 [pid 8482] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8480] <... futex resumed>) = 0 [pid 8480] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8480] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8482] <... futex resumed>) = 1 [ 272.369665][ T8479] overlayfs: upper fs needs to support d_type. [ 272.377584][ T8479] overlayfs: upper fs does not support tmpfile. [ 272.402351][ T8482] overlayfs: upper fs needs to support d_type. [ 272.409266][ T8479] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8482] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8478] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8478] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8478] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8478] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8488], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8488 [pid 8478] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8478] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8480] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 8488 attached [pid 8488] set_robust_list(0x7fe5804599e0, 24 [pid 8480] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8488] <... set_robust_list resumed>) = 0 [pid 8480] <... futex resumed>) = 0 [pid 8488] mkdir(".", 0777 [pid 8480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8488] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8480] <... mmap resumed>) = 0x7fe580439000 [pid 8488] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8480] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8480] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8489], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8489 [pid 8480] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 272.418852][ T8482] overlayfs: upper fs does not support tmpfile. [ 272.421499][ T8479] overlayfs: failed to resolve './file0': -2 [ 272.439381][ T8482] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8480] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8489 attached [pid 8489] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8489] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8489] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8479] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8479] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8479] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8488] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = 0 [pid 8488] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./207/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8488] <... futex resumed>) = 1 [pid 8478] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8488] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8478] exit_group(0 [pid 5005] lstat("./207/bus", [pid 8478] <... exit_group resumed>) = ? [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8488] <... futex resumed>) = ? [pid 8479] <... futex resumed>) = ? [pid 8488] +++ exited with 0 +++ [pid 5005] umount2("./207/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8479] +++ exited with 0 +++ [pid 8478] +++ exited with 0 +++ [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8478, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5005] openat(AT_FDCWD, "./207/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(4, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] getdents64(4, [pid 5008] <... openat resumed>) = 3 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] fstat(3, [pid 5005] getdents64(4, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(3, [pid 5005] close(4 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... close resumed>) = 0 [pid 5008] umount2("./208/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] rmdir("./207/bus") = 0 [pid 5005] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./207/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./207/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./207") = 0 [pid 5005] mkdir("./208", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [ 272.468020][ T8488] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 272.505505][ T8489] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... umount2 resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8490 ./strace-static-x86_64: Process 8490 attached [pid 8490] set_robust_list(0x5555568c85e0, 24 [pid 5007] umount2("./206/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8490] <... set_robust_list resumed>) = 0 [pid 8490] chdir("./208") = 0 [pid 8490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8490] setpgid(0, 0) = 0 [pid 8490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8490] write(3, "1000", 4) = 4 [pid 8490] close(3) = 0 [pid 8490] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8490] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8490] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8490] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8491], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8491 [pid 8490] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8490] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8491 attached [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./206/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./206/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./206/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4 [pid 8489] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... close resumed>) = 0 [pid 5007] rmdir("./206/bus" [pid 8489] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... rmdir resumed>) = 0 [pid 8489] <... futex resumed>) = 1 [pid 8480] <... futex resumed>) = 0 [pid 5007] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8489] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./206/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./206/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./206" [pid 8491] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] <... rmdir resumed>) = 0 [pid 5007] mkdir("./207", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8482] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8482] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... openat resumed>) = 3 [pid 8482] <... futex resumed>) = 0 [pid 8480] exit_group(0 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 8491] <... set_robust_list resumed>) = 0 [pid 8489] <... futex resumed>) = ? [pid 8480] <... exit_group resumed>) = ? [pid 8489] +++ exited with 0 +++ [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 8491] memfd_create("syzkaller", 0 [pid 8482] +++ exited with 0 +++ [pid 8480] +++ exited with 0 +++ [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8491] <... memfd_create resumed>) = 3 [pid 8491] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8480, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8492 [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 8492 attached [pid 5008] <... umount2 resumed>) = 0 [pid 8492] set_robust_list(0x5555568c85e0, 24 [pid 5004] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8492] <... set_robust_list resumed>) = 0 [ 272.558965][ T8482] overlayfs: failed to resolve './file0': -2 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8492] chdir("./207" [pid 5004] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8492] <... chdir resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 8492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] fstat(3, [pid 8492] <... prctl resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8492] setpgid(0, 0 [pid 5004] getdents64(3, [pid 8492] <... setpgid resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] umount2("./208/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./205/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8492] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8492] write(3, "1000", 4 [pid 5008] lstat("./208/bus", [pid 8492] <... write resumed>) = 4 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8492] close(3 [pid 5008] umount2("./208/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8492] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8492] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5008] openat(AT_FDCWD, "./208/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8492] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 4 [pid 8492] <... futex resumed>) = 0 [pid 5008] fstat(4, [pid 8492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8492] <... mmap resumed>) = 0x7fe58845a000 [pid 5008] getdents64(4, [pid 8492] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8492] <... mprotect resumed>) = 0 [pid 5008] getdents64(4, [pid 8492] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4 [pid 8492] <... clone resumed>, parent_tid=[8493], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8493 [pid 5008] <... close resumed>) = 0 [pid 8492] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] rmdir("./208/bus" [pid 8492] <... futex resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 8492] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./208/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./208/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 8493 attached [pid 8491] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] close(3) = 0 [pid 5008] rmdir("./208") = 0 [pid 5008] mkdir("./209", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8493] set_robust_list(0x7fe58847a9e0, 24 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8494 [pid 8493] <... set_robust_list resumed>) = 0 [pid 8493] memfd_create("syzkaller", 0) = 3 [pid 8493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 8494 attached ) = 0x7fe58005a000 [pid 8494] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8494] chdir("./209") = 0 [pid 8494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8494] setpgid(0, 0) = 0 [pid 8494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8494] write(3, "1000", 4) = 4 [pid 8494] close(3) = 0 [pid 8494] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8494] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8494] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8494] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8495], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8495 [pid 8494] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8494] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8495 attached [pid 8495] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8495] memfd_create("syzkaller", 0) = 3 [pid 8495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./205/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./205/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./205/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./205/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8493] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... openat resumed>) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./205/bus") = 0 [pid 5004] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./205/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./205/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./205") = 0 [pid 5004] mkdir("./206", 0777) = 0 [pid 8491] <... write resumed>) = 4194304 [pid 8491] munmap(0x7fe58005a000, 4194304 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8495] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8491] <... munmap resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8496 ./strace-static-x86_64: Process 8496 attached [pid 8491] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8496] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8491] <... openat resumed>) = 4 [pid 8496] chdir("./206" [pid 8491] ioctl(4, LOOP_SET_FD, 3 [pid 8496] <... chdir resumed>) = 0 [pid 8491] <... ioctl resumed>) = 0 [pid 8496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8496] setpgid(0, 0) = 0 [pid 8496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8496] write(3, "1000", 4 [pid 8491] close(3 [pid 8496] <... write resumed>) = 4 [pid 8491] <... close resumed>) = 0 [pid 8496] close(3 [pid 8491] mkdir("./bus", 0777 [pid 8496] <... close resumed>) = 0 [pid 8496] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8491] <... mkdir resumed>) = 0 [pid 8496] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8491] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8496] <... futex resumed>) = 0 [pid 8496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8496] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8496] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8493] <... write resumed>) = 4194304 [pid 8496] <... clone resumed>, parent_tid=[8498], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8498 [pid 8493] munmap(0x7fe58005a000, 4194304 [pid 8496] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8498 attached [pid 8498] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8498] memfd_create("syzkaller", 0 [pid 8496] <... futex resumed>) = 0 [pid 8493] <... munmap resumed>) = 0 [pid 8496] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8493] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8498] <... memfd_create resumed>) = 3 [pid 8493] ioctl(4, LOOP_SET_FD, 3 [ 272.812336][ T8491] loop2: detected capacity change from 0 to 8192 [ 272.841651][ T8491] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8498] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8493] <... ioctl resumed>) = 0 [pid 8493] close(3 [pid 8495] <... write resumed>) = 4194304 [pid 8493] <... close resumed>) = 0 [pid 8495] munmap(0x7fe58005a000, 4194304) = 0 [pid 8495] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8493] mkdir("./bus", 0777 [pid 8495] ioctl(4, LOOP_SET_FD, 3 [pid 8493] <... mkdir resumed>) = 0 [pid 8493] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8495] <... ioctl resumed>) = 0 [ 272.861402][ T8493] loop4: detected capacity change from 0 to 8192 [ 272.868282][ T8491] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 272.878699][ T8491] REISERFS (device loop2): using ordered data mode [ 272.885892][ T8495] loop5: detected capacity change from 0 to 8192 [ 272.886686][ T8491] reiserfs: using flush barriers [pid 8495] close(3) = 0 [pid 8495] mkdir("./bus", 0777 [pid 8498] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8495] <... mkdir resumed>) = 0 [ 272.900371][ T8493] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 272.901081][ T8491] REISERFS (device loop2): reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 272.915729][ T8491] REISERFS (device loop2): checking transaction log (loop2) [ 272.936089][ T8493] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 272.945857][ T8493] REISERFS (device loop4): using ordered data mode [ 272.951900][ T8495] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 272.952863][ T8493] reiserfs: using flush barriers [ 272.972670][ T8495] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 272.973664][ T8491] REISERFS (device loop2): Using r5 hash to sort names [ 272.982047][ T8495] REISERFS (device loop5): using ordered data mode [ 272.995343][ T8495] reiserfs: using flush barriers [pid 8495] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8498] <... write resumed>) = 4194304 [pid 8498] munmap(0x7fe58005a000, 4194304) = 0 [pid 8498] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 273.000654][ T8493] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 273.001933][ T8491] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 273.029528][ T8495] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 273.046660][ T8495] REISERFS (device loop5): checking transaction log (loop5) [pid 8498] ioctl(4, LOOP_SET_FD, 3 [pid 8491] <... mount resumed>) = 0 [pid 8491] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8498] <... ioctl resumed>) = 0 [pid 8491] <... openat resumed>) = 3 [pid 8491] chdir("./bus") = 0 [pid 8491] ioctl(4, LOOP_CLR_FD) = 0 [pid 8491] close(4) = 0 [pid 8491] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8490] <... futex resumed>) = 0 [pid 8491] mkdir("./file1", 000 [pid 8490] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8491] <... mkdir resumed>) = 0 [pid 8490] <... futex resumed>) = 0 [pid 8491] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8490] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8491] <... futex resumed>) = 0 [pid 8490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8491] mkdir("./bus", 000 [pid 8490] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8491] <... mkdir resumed>) = 0 [pid 8490] <... futex resumed>) = 0 [pid 8491] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8490] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8491] <... futex resumed>) = 0 [pid 8490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8491] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8490] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8490] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8498] close(3) = 0 [pid 8498] mkdir("./bus", 0777) = 0 [ 273.054804][ T8491] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 273.057650][ T8498] loop1: detected capacity change from 0 to 8192 [ 273.065109][ T8493] REISERFS (device loop4): checking transaction log (loop4) [ 273.079383][ T8495] REISERFS (device loop5): Using r5 hash to sort names [ 273.080234][ T8493] REISERFS (device loop4): Using r5 hash to sort names [ 273.086670][ T8495] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 273.100122][ T8491] overlayfs: upper fs needs to support d_type. [pid 8498] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8495] <... mount resumed>) = 0 [pid 8495] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8495] chdir("./bus") = 0 [pid 8495] ioctl(4, LOOP_CLR_FD) = 0 [pid 8495] close(4) = 0 [pid 8490] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8490] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8490] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8490] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8502], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8502 [pid 8490] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8490] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8495] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8495] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8494] <... futex resumed>) = 0 [pid 8495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8494] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8495] mkdir("./file1", 000 [pid 8494] <... futex resumed>) = 0 [pid 8495] <... mkdir resumed>) = 0 [pid 8495] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8495] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8494] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [ 273.118372][ T8493] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 273.120410][ T8495] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 273.135670][ T8498] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 273.141363][ T8491] overlayfs: upper fs does not support tmpfile. [pid 8494] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8495] <... futex resumed>) = 0 [pid 8494] <... futex resumed>) = 1 [pid 8495] mkdir("./bus", 000 [pid 8493] <... mount resumed>) = 0 [pid 8495] <... mkdir resumed>) = 0 [pid 8495] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8494] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8493] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 8502 attached [pid 8495] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8502] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8502] mkdir(".", 0777) = -1 EEXIST (File exists) [ 273.176732][ T8493] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 273.186419][ T8498] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 273.196211][ T8498] REISERFS (device loop1): using ordered data mode [ 273.197059][ T8491] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 273.202982][ T8498] reiserfs: using flush barriers [pid 8502] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8493] <... openat resumed>) = 3 [pid 8494] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8493] chdir("./bus" [pid 8495] <... futex resumed>) = 0 [pid 8494] <... futex resumed>) = 1 [pid 8493] <... chdir resumed>) = 0 [ 273.216445][ T8498] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 273.222413][ T8491] overlayfs: failed to resolve './file0': -2 [ 273.241408][ T8502] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 273.258065][ T8498] REISERFS (device loop1): checking transaction log (loop1) [ 273.259291][ T8495] overlayfs: upper fs needs to support d_type. [pid 8495] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8494] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8493] ioctl(4, LOOP_CLR_FD [pid 8502] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8493] <... ioctl resumed>) = 0 [pid 8491] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8493] close(4 [pid 8491] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8502] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8493] <... close resumed>) = 0 [pid 8491] <... futex resumed>) = 0 [pid 8502] <... futex resumed>) = 1 [pid 8493] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8491] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8502] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8493] <... futex resumed>) = 1 [pid 8492] <... futex resumed>) = 0 [pid 8493] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8492] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8492] <... futex resumed>) = 0 [pid 8493] mkdir("./file1", 000 [pid 8492] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8493] <... mkdir resumed>) = 0 [pid 8490] <... futex resumed>) = 0 [pid 8493] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8492] <... futex resumed>) = 0 [pid 8490] exit_group(0 [pid 8493] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8492] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8492] <... futex resumed>) = 0 [pid 8491] <... futex resumed>) = ? [pid 8490] <... exit_group resumed>) = ? [pid 8493] mkdir("./bus", 000 [pid 8492] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8491] +++ exited with 0 +++ [pid 8493] <... mkdir resumed>) = 0 [pid 8493] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8492] <... futex resumed>) = 0 [pid 8493] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8492] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8492] <... futex resumed>) = 0 [pid 8493] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8492] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8502] <... futex resumed>) = ? [ 273.273174][ T8498] REISERFS (device loop1): Using r5 hash to sort names [ 273.286143][ T8495] overlayfs: upper fs does not support tmpfile. [ 273.286322][ T8493] overlayfs: upper fs needs to support d_type. [ 273.293089][ T8495] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 273.306865][ T8493] overlayfs: upper fs does not support tmpfile. [ 273.308544][ T8498] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8502] +++ exited with 0 +++ [pid 8490] +++ exited with 0 +++ [pid 8494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8490, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 8494] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8494] <... mmap resumed>) = 0x7fe580439000 [pid 5005] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8494] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5005] <... openat resumed>) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8494] <... mprotect resumed>) = 0 [pid 8492] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] getdents64(3, [pid 8494] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8492] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8494] <... clone resumed>, parent_tid=[8503], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8503 [pid 8492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] umount2("./208/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8494] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8492] <... mmap resumed>) = 0x7fe580439000 [pid 8494] <... futex resumed>) = 0 [pid 8492] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8494] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8492] <... mprotect resumed>) = 0 [pid 8492] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8504], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8504 [pid 8492] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8492] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8503 attached [pid 8503] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8503] mkdir(".", 0777) = -1 EEXIST (File exists) [ 273.315069][ T8495] overlayfs: failed to resolve './file0': -2 [ 273.341604][ T8493] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 273.350273][ T8493] overlayfs: failed to resolve './file0': -2 [ 273.363143][ T8503] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8503] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8504 attached ) = -1 EINVAL (Invalid argument) [pid 8503] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8494] <... futex resumed>) = 0 [pid 8503] <... futex resumed>) = 1 [pid 8503] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8504] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8504] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8504] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8498] <... mount resumed>) = 0 [pid 8498] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8498] chdir("./bus") = 0 [pid 8498] ioctl(4, LOOP_CLR_FD) = 0 [pid 8498] close(4) = 0 [pid 8498] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8498] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8496] <... futex resumed>) = 0 [pid 8496] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8496] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8495] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8493] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8493] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8495] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8493] <... futex resumed>) = 0 [pid 8493] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8495] <... futex resumed>) = 0 [pid 8495] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8494] exit_group(0 [pid 8503] <... futex resumed>) = ? [pid 8495] <... futex resumed>) = ? [pid 8494] <... exit_group resumed>) = ? [pid 8503] +++ exited with 0 +++ [pid 8495] +++ exited with 0 +++ [pid 8494] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8494, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5008] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8498] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8498] mkdir("./file1", 000 [pid 5008] getdents64(3, [pid 8498] <... mkdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./209/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8498] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8496] <... futex resumed>) = 0 [pid 8498] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8496] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8496] <... futex resumed>) = 0 [ 273.364699][ T8498] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 273.389118][ T8504] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8496] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8504] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8498] mkdir("./bus", 000 [pid 8504] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8498] <... mkdir resumed>) = 0 [pid 8492] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 8504] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8498] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8492] exit_group(0 [pid 8504] <... futex resumed>) = ? [pid 8498] <... futex resumed>) = 1 [pid 8496] <... futex resumed>) = 0 [pid 8493] <... futex resumed>) = ? [pid 8492] <... exit_group resumed>) = ? [pid 8504] +++ exited with 0 +++ [pid 8498] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8496] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8493] +++ exited with 0 +++ [pid 8492] +++ exited with 0 +++ [pid 8496] <... futex resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8492, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5005] umount2("./208/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8496] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./208/bus", [pid 5007] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] fstat(3, [pid 5005] umount2("./208/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5005] openat(AT_FDCWD, "./208/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... openat resumed>) = 4 [pid 5007] umount2("./207/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./208/bus") = 0 [pid 5005] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./208/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./208/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./208") = 0 [pid 5005] mkdir("./209", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [ 273.457972][ T8498] overlayfs: upper fs needs to support d_type. [ 273.473063][ T8498] overlayfs: upper fs does not support tmpfile. [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8496] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] <... umount2 resumed>) = 0 [pid 5005] close(3 [pid 8496] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./209/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... close resumed>) = 0 [pid 8496] <... futex resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8496] <... mmap resumed>) = 0x7fe580439000 [pid 8496] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] lstat("./209/bus", [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8505 [pid 8496] <... mprotect resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8496] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] umount2("./209/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8506 attached [pid 8498] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8496] <... clone resumed>, parent_tid=[8506], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8506 [pid 8496] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./209/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8496] <... futex resumed>) = 0 [pid 8496] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... openat resumed>) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8498] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(4, [pid 8498] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4 [pid 8506] set_robust_list(0x7fe5804599e0, 24 [pid 8498] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... close resumed>) = 0 [pid 8506] <... set_robust_list resumed>) = 0 [pid 5008] rmdir("./209/bus" [pid 8506] mkdir(".", 0777 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8505 attached ) = -1 EINVAL (Invalid argument) [pid 8506] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] lstat("./209/binderfs", [pid 8506] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8505] set_robust_list(0x5555568c85e0, 24 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./209/binderfs" [pid 8505] <... set_robust_list resumed>) = 0 [pid 8505] chdir("./209" [pid 5008] <... unlink resumed>) = 0 [pid 8505] <... chdir resumed>) = 0 [pid 5008] getdents64(3, [pid 8505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8505] <... prctl resumed>) = 0 [pid 5008] close(3 [pid 8505] setpgid(0, 0 [pid 5008] <... close resumed>) = 0 [pid 8505] <... setpgid resumed>) = 0 [pid 5008] rmdir("./209" [pid 8505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5008] <... rmdir resumed>) = 0 [pid 8505] write(3, "1000", 4 [pid 5008] mkdir("./210", 0777 [pid 8505] <... write resumed>) = 4 [ 273.502331][ T8498] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 273.516285][ T8498] overlayfs: failed to resolve './file0': -2 [pid 8505] close(3 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = 0 [pid 8505] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5007] umount2("./207/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8505] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... openat resumed>) = 3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8505] <... symlink resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5007] lstat("./207/bus", [pid 8505] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8505] <... futex resumed>) = 0 [pid 5008] close(3 [pid 5007] umount2("./207/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8506] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... close resumed>) = 0 [pid 8506] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8505] <... mmap resumed>) = 0x7fe58845a000 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8506] <... futex resumed>) = 1 [pid 8505] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8496] <... futex resumed>) = 0 [pid 8506] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8505] <... mprotect resumed>) = 0 [pid 8496] exit_group(0 [pid 5007] openat(AT_FDCWD, "./207/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8507 attached [pid 8506] <... futex resumed>) = ? [pid 8505] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8498] <... futex resumed>) = ? [pid 8496] <... exit_group resumed>) = ? [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8507 [pid 5007] <... openat resumed>) = 4 [pid 8506] +++ exited with 0 +++ [pid 8498] +++ exited with 0 +++ [pid 8496] +++ exited with 0 +++ [pid 5007] fstat(4, [pid 8505] <... clone resumed>, parent_tid=[8508], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8508 [pid 8505] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8505] <... futex resumed>) = 0 [pid 5007] getdents64(4, [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8496, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 8505] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 8507] set_robust_list(0x5555568c85e0, 24 [pid 5007] getdents64(4, [pid 5004] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 8508 attached [pid 8507] <... set_robust_list resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4 [pid 8508] set_robust_list(0x7fe58847a9e0, 24 [pid 8507] chdir("./210" [pid 5007] <... close resumed>) = 0 [pid 8508] <... set_robust_list resumed>) = 0 [pid 8507] <... chdir resumed>) = 0 [pid 5007] rmdir("./207/bus" [pid 5004] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8508] memfd_create("syzkaller", 0 [pid 8507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... rmdir resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8507] <... prctl resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./207/binderfs", [pid 5004] <... openat resumed>) = 3 [pid 8508] <... memfd_create resumed>) = 3 [pid 8507] setpgid(0, 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] fstat(3, [pid 8508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8507] <... setpgid resumed>) = 0 [pid 5007] unlink("./207/binderfs" [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8508] <... mmap resumed>) = 0x7fe58005a000 [pid 8507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... unlink resumed>) = 0 [pid 5004] getdents64(3, [pid 8507] <... openat resumed>) = 3 [pid 5007] getdents64(3, [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8507] write(3, "1000", 4 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] umount2("./206/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8507] <... write resumed>) = 4 [pid 5007] close(3 [pid 8507] close(3 [pid 5007] <... close resumed>) = 0 [pid 8507] <... close resumed>) = 0 [pid 5007] rmdir("./207" [pid 8507] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... rmdir resumed>) = 0 [pid 8507] <... symlink resumed>) = 0 [pid 5007] mkdir("./208", 0777 [pid 8507] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 8507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 273.561803][ T8506] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8507] <... mmap resumed>) = 0x7fe58845a000 [pid 8507] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] <... openat resumed>) = 3 [pid 8507] <... mprotect resumed>) = 0 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 8507] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 8507] <... clone resumed>, parent_tid=[8509], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8509 [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8507] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8510 [pid 8507] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8510 attached [pid 8510] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8510] chdir("./208") = 0 [pid 8510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8510] setpgid(0, 0) = 0 [pid 8510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8510] write(3, "1000", 4) = 4 [pid 8510] close(3) = 0 [pid 8510] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8510] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 8509 attached [pid 8509] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8509] memfd_create("syzkaller", 0) = 3 [pid 8509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8510] <... mmap resumed>) = 0x7fe58845a000 [pid 8510] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8510] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8511], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8511 [pid 8510] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8510] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8511 attached [pid 8511] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8511] memfd_create("syzkaller", 0) = 3 [pid 8511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./206/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./206/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./206/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./206/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8508] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./206/bus") = 0 [pid 5004] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./206/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./206/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 8509] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] rmdir("./206") = 0 [pid 5004] mkdir("./207", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8512 ./strace-static-x86_64: Process 8512 attached [pid 8512] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8512] chdir("./207") = 0 [pid 8512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8512] setpgid(0, 0 [pid 8511] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8512] <... setpgid resumed>) = 0 [pid 8512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8508] <... write resumed>) = 4194304 [pid 8512] <... openat resumed>) = 3 [pid 8508] munmap(0x7fe58005a000, 4194304 [pid 8512] write(3, "1000", 4) = 4 [pid 8512] close(3) = 0 [pid 8508] <... munmap resumed>) = 0 [pid 8512] symlink("/dev/binderfs", "./binderfs" [pid 8508] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8512] <... symlink resumed>) = 0 [pid 8508] <... openat resumed>) = 4 [pid 8512] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8508] ioctl(4, LOOP_SET_FD, 3 [pid 8512] <... futex resumed>) = 0 [pid 8512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8512] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8512] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8513], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8513 [pid 8512] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8512] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8513 attached [pid 8508] <... ioctl resumed>) = 0 [pid 8513] set_robust_list(0x7fe58847a9e0, 24 [pid 8508] close(3 [pid 8513] <... set_robust_list resumed>) = 0 [pid 8508] <... close resumed>) = 0 [pid 8513] memfd_create("syzkaller", 0 [pid 8508] mkdir("./bus", 0777 [pid 8513] <... memfd_create resumed>) = 3 [pid 8513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8508] <... mkdir resumed>) = 0 [pid 8508] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8511] <... write resumed>) = 4194304 [ 273.778892][ T8508] loop2: detected capacity change from 0 to 8192 [ 273.797169][ T8508] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8513] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8511] munmap(0x7fe58005a000, 4194304 [pid 8509] <... write resumed>) = 4194304 [pid 8511] <... munmap resumed>) = 0 [pid 8509] munmap(0x7fe58005a000, 4194304 [pid 8511] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8509] <... munmap resumed>) = 0 [pid 8509] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8509] ioctl(4, LOOP_SET_FD, 3 [pid 8511] <... openat resumed>) = 4 [pid 8511] ioctl(4, LOOP_SET_FD, 3 [pid 8509] <... ioctl resumed>) = 0 [ 273.841731][ T8508] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 273.852902][ T8508] REISERFS (device loop2): using ordered data mode [ 273.861587][ T8508] reiserfs: using flush barriers [ 273.868730][ T8509] loop5: detected capacity change from 0 to 8192 [ 273.876154][ T8511] loop4: detected capacity change from 0 to 8192 [pid 8513] <... write resumed>) = 4194304 [pid 8511] <... ioctl resumed>) = 0 [pid 8509] close(3 [pid 8511] close(3) = 0 [pid 8511] mkdir("./bus", 0777) = 0 [pid 8511] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8513] munmap(0x7fe58005a000, 4194304 [pid 8509] <... close resumed>) = 0 [pid 8509] mkdir("./bus", 0777) = 0 [pid 8509] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8513] <... munmap resumed>) = 0 [pid 8513] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 273.881237][ T8508] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 273.900168][ T8511] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 273.900277][ T8508] REISERFS (device loop2): checking transaction log (loop2) [ 273.921503][ T8508] REISERFS (device loop2): Using r5 hash to sort names [ 273.925898][ T8513] loop1: detected capacity change from 0 to 8192 [pid 8513] ioctl(4, LOOP_SET_FD, 3 [pid 8508] <... mount resumed>) = 0 [pid 8508] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8513] <... ioctl resumed>) = 0 [pid 8513] close(3) = 0 [ 273.929097][ T8508] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 273.947708][ T8508] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 273.947983][ T8509] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 273.957252][ T8511] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 273.979671][ T8511] REISERFS (device loop4): using ordered data mode [pid 8513] mkdir("./bus", 0777 [pid 8508] chdir("./bus" [pid 8513] <... mkdir resumed>) = 0 [pid 8513] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8508] <... chdir resumed>) = 0 [pid 8508] ioctl(4, LOOP_CLR_FD) = 0 [pid 8508] close(4) = 0 [pid 8508] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8508] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8505] <... futex resumed>) = 0 [pid 8505] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8508] <... futex resumed>) = 0 [pid 8508] mkdir("./file1", 000) = 0 [pid 8508] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 273.980991][ T8509] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 273.987081][ T8511] reiserfs: using flush barriers [ 273.998875][ T8509] REISERFS (device loop5): using ordered data mode [ 274.008228][ T8509] reiserfs: using flush barriers [ 274.011904][ T8513] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 274.026565][ T8511] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8508] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8505] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8505] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8508] <... futex resumed>) = 0 [pid 8505] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8508] mkdir("./bus", 000) = 0 [ 274.031902][ T8509] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 274.042717][ T8513] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 274.062958][ T8509] REISERFS (device loop5): checking transaction log (loop5) [ 274.072550][ T8511] REISERFS (device loop4): checking transaction log (loop4) [ 274.077745][ T8509] REISERFS (device loop5): Using r5 hash to sort names [pid 8508] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8508] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8505] <... futex resumed>) = 0 [pid 8505] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8505] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8508] <... futex resumed>) = 0 [ 274.093019][ T8509] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 274.093245][ T8513] REISERFS (device loop1): using ordered data mode [ 274.114369][ T8511] REISERFS (device loop4): Using r5 hash to sort names [ 274.114737][ T8513] reiserfs: using flush barriers [ 274.122668][ T8509] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8508] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8505] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8505] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8505] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8505] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8518], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8518 [pid 8505] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8505] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8518 attached [pid 8518] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8518] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8518] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8509] <... mount resumed>) = 0 [pid 8509] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8509] chdir("./bus") = 0 [pid 8509] ioctl(4, LOOP_CLR_FD) = 0 [ 274.127848][ T8511] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 274.136348][ T8513] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 274.149250][ T8511] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 274.173703][ T8508] overlayfs: upper fs needs to support d_type. [ 274.179914][ T8508] overlayfs: upper fs does not support tmpfile. [pid 8509] close(4 [pid 8511] <... mount resumed>) = 0 [pid 8509] <... close resumed>) = 0 [pid 8511] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8509] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8507] <... futex resumed>) = 0 [pid 8507] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8507] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8511] <... openat resumed>) = 3 [pid 8509] <... futex resumed>) = 1 [pid 8511] chdir("./bus" [pid 8509] mkdir("./file1", 000) = 0 [pid 8509] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8511] <... chdir resumed>) = 0 [pid 8511] ioctl(4, LOOP_CLR_FD) = 0 [pid 8507] <... futex resumed>) = 0 [pid 8511] close(4 [pid 8507] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8511] <... close resumed>) = 0 [pid 8507] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8509] <... futex resumed>) = 1 [pid 8509] mkdir("./bus", 000) = 0 [pid 8509] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8507] <... futex resumed>) = 0 [pid 8507] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8507] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8509] <... futex resumed>) = 1 [pid 8509] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8511] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8510] <... futex resumed>) = 0 [pid 8511] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 8510] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8511] mkdir("./file1", 000 [pid 8510] <... futex resumed>) = 0 [pid 8511] <... mkdir resumed>) = 0 [pid 8510] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8511] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8511] <... futex resumed>) = 0 [pid 8510] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8511] mkdir("./bus", 000 [pid 8510] <... futex resumed>) = 0 [pid 8511] <... mkdir resumed>) = 0 [pid 8510] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8511] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8511] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8510] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8510] <... futex resumed>) = 0 [pid 8511] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 274.187290][ T8508] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 274.197547][ T8518] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 274.217145][ T8513] REISERFS (device loop1): checking transaction log (loop1) [ 274.225899][ T8509] overlayfs: upper fs needs to support d_type. [pid 8510] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8518] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8518] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8505] <... futex resumed>) = 0 [pid 8518] <... futex resumed>) = 1 [pid 8518] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8507] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8507] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 8507] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8507] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8507] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8519], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8519 [pid 8507] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8507] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8519 attached [pid 8519] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8519] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8519] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8510] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 274.247082][ T8509] overlayfs: upper fs does not support tmpfile. [ 274.247518][ T8511] overlayfs: upper fs needs to support d_type. [ 274.259149][ T8509] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 274.261550][ T8508] overlayfs: failed to resolve './file0': -2 [ 274.277610][ T8511] overlayfs: upper fs does not support tmpfile. [ 274.279967][ T8509] overlayfs: failed to resolve './file0': -2 [pid 8510] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8510] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8508] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8510] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8508] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8505] exit_group(0 [pid 8518] <... futex resumed>) = ? [pid 8505] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 8520 attached [pid 8518] +++ exited with 0 +++ [pid 8508] <... futex resumed>) = ? [pid 8520] set_robust_list(0x7fe5804599e0, 24 [pid 8510] <... clone resumed>, parent_tid=[8520], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8520 [pid 8508] +++ exited with 0 +++ [pid 8505] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8505, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 8510] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8520] <... set_robust_list resumed>) = 0 [pid 8510] <... futex resumed>) = 0 [ 274.298076][ T8513] REISERFS (device loop1): Using r5 hash to sort names [ 274.308502][ T8511] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 274.314276][ T8519] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 274.319563][ T8513] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8520] mkdir(".", 0777 [pid 8510] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8519] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8519] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8507] <... futex resumed>) = 0 [pid 8519] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8513] <... mount resumed>) = 0 [pid 8513] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8513] chdir("./bus" [pid 8509] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8520] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8509] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8520] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8509] <... futex resumed>) = 0 [pid 8509] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8507] exit_group(0 [pid 8519] <... futex resumed>) = ? [pid 8509] <... futex resumed>) = ? [pid 8507] <... exit_group resumed>) = ? [pid 8519] +++ exited with 0 +++ [pid 8509] +++ exited with 0 +++ [pid 8507] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8507, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5005] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./210/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 3 [pid 8513] <... chdir resumed>) = 0 [pid 8513] ioctl(4, LOOP_CLR_FD) = 0 [pid 8513] close(4) = 0 [pid 8513] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8513] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./209/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8512] <... futex resumed>) = 0 [pid 8512] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8513] <... futex resumed>) = 0 [pid 8512] <... futex resumed>) = 1 [pid 8513] mkdir("./file1", 000 [pid 8512] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8513] <... mkdir resumed>) = 0 [pid 8513] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8512] <... futex resumed>) = 0 [pid 8513] mkdir("./bus", 000 [pid 8512] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8513] <... mkdir resumed>) = 0 [pid 8512] <... futex resumed>) = 0 [pid 8513] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8512] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8513] <... futex resumed>) = 0 [pid 8512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8513] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8512] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8512] <... futex resumed>) = 0 [pid 8513] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8512] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8511] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 274.348057][ T8513] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 274.348536][ T8511] overlayfs: failed to resolve './file0': -2 [ 274.376838][ T8520] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8511] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8511] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8520] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8512] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8520] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8512] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8520] <... futex resumed>) = 1 [pid 8512] <... futex resumed>) = 0 [pid 8510] <... futex resumed>) = 0 [pid 8520] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8510] exit_group(0) = ? [pid 8520] <... futex resumed>) = ? [pid 8512] <... mmap resumed>) = 0x7fe580439000 [pid 8511] <... futex resumed>) = ? [pid 8512] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8511] +++ exited with 0 +++ [pid 8512] <... mprotect resumed>) = 0 [pid 8512] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8521], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8521 [pid 8520] +++ exited with 0 +++ [pid 8510] +++ exited with 0 +++ [pid 8512] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8510, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 8512] <... futex resumed>) = 0 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 8512] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... restart_syscall resumed>) = 0 [pid 5007] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 274.404812][ T8513] overlayfs: upper fs needs to support d_type. [ 274.414716][ T8513] overlayfs: upper fs does not support tmpfile. [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./208/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./210/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./210/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./210/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./210/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./210/bus"./strace-static-x86_64: Process 8521 attached [pid 8521] set_robust_list(0x7fe5804599e0, 24 [pid 5008] <... rmdir resumed>) = 0 [pid 8521] <... set_robust_list resumed>) = 0 [pid 5008] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8521] mkdir(".", 0777 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8521] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] lstat("./210/binderfs", [pid 8521] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./210/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [ 274.473335][ T8513] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 274.501991][ T8513] overlayfs: failed to resolve './file0': -2 [pid 8513] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] close(3 [pid 8513] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... close resumed>) = 0 [pid 8513] <... futex resumed>) = 0 [pid 5008] rmdir("./210" [pid 8513] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... rmdir resumed>) = 0 [pid 5008] mkdir("./211", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8522 ./strace-static-x86_64: Process 8522 attached [pid 8522] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8522] chdir("./211") = 0 [ 274.509812][ T8521] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] <... umount2 resumed>) = 0 [pid 8522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8521] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = 0 [pid 5005] umount2("./209/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8522] <... prctl resumed>) = 0 [pid 8522] setpgid(0, 0) = 0 [pid 8522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8522] write(3, "1000", 4 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8521] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./208/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8522] <... write resumed>) = 4 [pid 8522] close(3) = 0 [pid 8522] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8522] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8522] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8522] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8512] <... futex resumed>) = 0 [pid 5005] lstat("./209/bus", [pid 8521] <... futex resumed>) = 1 [pid 8512] exit_group(0 [pid 8522] <... clone resumed>, parent_tid=[8523], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8523 [pid 8512] <... exit_group resumed>) = ? [pid 8522] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8513] <... futex resumed>) = ? [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8522] <... futex resumed>) = 0 [pid 8513] +++ exited with 0 +++ [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./209/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8522] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./209/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8523 attached ) = 4 [pid 8523] set_robust_list(0x7fe58847a9e0, 24 [pid 5005] fstat(4, [pid 8523] <... set_robust_list resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./209/bus" [pid 8523] memfd_create("syzkaller", 0) = 3 [pid 5005] <... rmdir resumed>) = 0 [pid 8523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./209/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./209/binderfs" [pid 8523] <... mmap resumed>) = 0x7fe58005a000 [pid 5005] <... unlink resumed>) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./209") = 0 [pid 5005] mkdir("./210", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 8521] +++ exited with 0 +++ [pid 8512] +++ exited with 0 +++ [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8512, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5004] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] lstat("./208/bus", [pid 5005] <... close resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./207/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] umount2("./208/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8524 [pid 5007] openat(AT_FDCWD, "./208/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8524 attached ) = 4 [pid 8524] set_robust_list(0x5555568c85e0, 24 [pid 5007] fstat(4, [pid 8524] <... set_robust_list resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, [pid 8524] chdir("./210" [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4 [pid 8524] <... chdir resumed>) = 0 [pid 8524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5007] <... close resumed>) = 0 [pid 5007] rmdir("./208/bus") = 0 [pid 5007] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8524] setpgid(0, 0) = 0 [pid 8524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8524] <... openat resumed>) = 3 [pid 5007] lstat("./208/binderfs", [pid 8524] write(3, "1000", 4) = 4 [pid 8524] close(3 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./208/binderfs" [pid 8524] <... close resumed>) = 0 [pid 8524] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, [pid 8524] <... symlink resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3 [pid 8524] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... close resumed>) = 0 [pid 8524] <... futex resumed>) = 0 [pid 8524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] rmdir("./208") = 0 [pid 5007] mkdir("./209", 0777 [pid 8524] <... mmap resumed>) = 0x7fe58845a000 [pid 8524] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8524] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8524] <... clone resumed>, parent_tid=[8525], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8525 [pid 5007] <... openat resumed>) = 3 [pid 8524] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 8524] <... futex resumed>) = 0 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8524] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] close(3./strace-static-x86_64: Process 8525 attached [pid 8525] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8525] memfd_create("syzkaller", 0) = 3 [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8523] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8526 ./strace-static-x86_64: Process 8526 attached [pid 8526] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8526] chdir("./209") = 0 [pid 8526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8526] setpgid(0, 0) = 0 [pid 8526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8526] write(3, "1000", 4) = 4 [pid 8526] close(3) = 0 [pid 8526] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8526] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8526] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8526] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8527], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8527 ./strace-static-x86_64: Process 8527 attached [pid 8527] set_robust_list(0x7fe58847a9e0, 24 [pid 8526] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = 0 [pid 8527] <... set_robust_list resumed>) = 0 [pid 8526] <... futex resumed>) = 0 [pid 8526] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8527] memfd_create("syzkaller", 0 [pid 5004] umount2("./207/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8527] <... memfd_create resumed>) = 3 [pid 8527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8527] <... mmap resumed>) = 0x7fe58005a000 [pid 5004] lstat("./207/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./207/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./207/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./207/bus") = 0 [pid 5004] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./207/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./207/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./207") = 0 [pid 5004] mkdir("./208", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 8525] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8528 ./strace-static-x86_64: Process 8528 attached [pid 8528] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8528] chdir("./208") = 0 [pid 8528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8528] setpgid(0, 0) = 0 [pid 8528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8528] write(3, "1000", 4) = 4 [pid 8528] close(3) = 0 [pid 8528] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8528] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8528] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8528] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8529], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8529 [pid 8528] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8528] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8523] <... write resumed>) = 4194304 [pid 8523] munmap(0x7fe58005a000, 4194304./strace-static-x86_64: Process 8529 attached [pid 8529] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8529] memfd_create("syzkaller", 0) = 3 [pid 8529] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8523] <... munmap resumed>) = 0 [pid 8523] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8523] ioctl(4, LOOP_SET_FD, 3 [pid 8527] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8523] <... ioctl resumed>) = 0 [pid 8523] close(3) = 0 [pid 8523] mkdir("./bus", 0777) = 0 [ 274.785064][ T8523] loop5: detected capacity change from 0 to 8192 [ 274.805754][ T8523] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8523] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8525] <... write resumed>) = 4194304 [pid 8525] munmap(0x7fe58005a000, 4194304) = 0 [pid 8525] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8529] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8525] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8525] close(3) = 0 [pid 8525] mkdir("./bus", 0777) = 0 [pid 8525] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 274.834494][ T8523] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 274.847574][ T8523] REISERFS (device loop5): using ordered data mode [ 274.854978][ T8523] reiserfs: using flush barriers [ 274.860762][ T8525] loop2: detected capacity change from 0 to 8192 [pid 8527] <... write resumed>) = 4194304 [pid 8527] munmap(0x7fe58005a000, 4194304) = 0 [pid 8527] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 274.879975][ T8525] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 274.891190][ T8523] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 274.893747][ T8525] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 274.909474][ T8523] REISERFS (device loop5): checking transaction log (loop5) [ 274.926665][ T8523] REISERFS (device loop5): Using r5 hash to sort names [pid 8527] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8527] close(3 [pid 8523] <... mount resumed>) = 0 [pid 8523] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8527] <... close resumed>) = 0 [pid 8523] <... openat resumed>) = 3 [pid 8529] <... write resumed>) = 4194304 [pid 8527] mkdir("./bus", 0777 [pid 8529] munmap(0x7fe58005a000, 4194304 [pid 8527] <... mkdir resumed>) = 0 [pid 8523] chdir("./bus") = 0 [pid 8529] <... munmap resumed>) = 0 [pid 8527] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8529] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8529] ioctl(4, LOOP_SET_FD, 3 [ 274.932989][ T8527] loop4: detected capacity change from 0 to 8192 [ 274.934211][ T8523] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 274.952648][ T8523] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 274.961872][ T8525] REISERFS (device loop2): using ordered data mode [ 274.974449][ T8525] reiserfs: using flush barriers [pid 8523] ioctl(4, LOOP_CLR_FD) = 0 [ 274.989112][ T8527] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 274.989745][ T8525] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 275.002282][ T8527] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 275.018927][ T8529] loop1: detected capacity change from 0 to 8192 [pid 8523] close(4) = 0 [pid 8523] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8522] <... futex resumed>) = 0 [pid 8522] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8522] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8523] <... futex resumed>) = 1 [pid 8523] mkdir("./file1", 000) = 0 [pid 8523] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8522] <... futex resumed>) = 0 [pid 8522] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8522] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8523] <... futex resumed>) = 1 [pid 8523] mkdir("./bus", 000) = 0 [pid 8523] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8522] <... futex resumed>) = 0 [pid 8522] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8522] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8523] <... futex resumed>) = 1 [pid 8523] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8529] <... ioctl resumed>) = 0 [pid 8529] close(3) = 0 [pid 8529] mkdir("./bus", 0777) = 0 [ 275.027900][ T8527] REISERFS (device loop4): using ordered data mode [ 275.040901][ T8527] reiserfs: using flush barriers [ 275.048204][ T8527] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 275.065755][ T8523] overlayfs: upper fs needs to support d_type. [ 275.066244][ T8527] REISERFS (device loop4): checking transaction log (loop4) [ 275.073369][ T8525] REISERFS (device loop2): checking transaction log (loop2) [pid 8529] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8522] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8522] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8522] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8522] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8534], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8534 [pid 8522] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8522] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8534 attached [pid 8534] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8534] mkdir(".", 0777) = -1 EEXIST (File exists) [ 275.087334][ T8523] overlayfs: upper fs does not support tmpfile. [ 275.087737][ T8529] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 275.094710][ T8523] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 275.114164][ T8527] REISERFS (device loop4): Using r5 hash to sort names [ 275.122440][ T8527] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8534] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8527] <... mount resumed>) = 0 [ 275.137664][ T8527] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 275.140754][ T8523] overlayfs: failed to resolve './file0': -2 [ 275.147356][ T8529] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 275.154507][ T8534] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 275.162179][ T8529] REISERFS (device loop1): using ordered data mode [ 275.177728][ T8525] REISERFS (device loop2): Using r5 hash to sort names [pid 8534] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8527] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8534] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8534] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8527] <... openat resumed>) = 3 [pid 8523] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8522] <... futex resumed>) = 0 [pid 8523] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8523] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8527] chdir("./bus" [pid 8522] exit_group(0 [pid 8527] <... chdir resumed>) = 0 [pid 8522] <... exit_group resumed>) = ? [pid 8523] <... futex resumed>) = ? [pid 8534] <... futex resumed>) = ? [pid 8527] ioctl(4, LOOP_CLR_FD [pid 8534] +++ exited with 0 +++ [ 275.183215][ T8529] reiserfs: using flush barriers [ 275.187114][ T8529] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 275.191371][ T8525] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 275.225916][ T8529] REISERFS (device loop1): checking transaction log (loop1) [pid 8527] <... ioctl resumed>) = 0 [pid 8523] +++ exited with 0 +++ [pid 8522] +++ exited with 0 +++ [pid 8527] close(4 [pid 8525] <... mount resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8522, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 8527] <... close resumed>) = 0 [pid 8527] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5008] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8527] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./211/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8525] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8525] chdir("./bus") = 0 [pid 8525] ioctl(4, LOOP_CLR_FD) = 0 [pid 8525] close(4) = 0 [pid 8525] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8526] <... futex resumed>) = 0 [pid 8524] <... futex resumed>) = 0 [pid 8524] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8524] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8525] <... futex resumed>) = 1 [pid 8525] mkdir("./file1", 000 [pid 8526] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8527] <... futex resumed>) = 0 [pid 8526] <... futex resumed>) = 1 [ 275.227885][ T8525] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 275.234962][ T8529] REISERFS (device loop1): Using r5 hash to sort names [ 275.249962][ T8529] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8527] mkdir("./file1", 000 [pid 8526] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8525] <... mkdir resumed>) = 0 [pid 8527] <... mkdir resumed>) = 0 [pid 8525] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8527] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8525] <... futex resumed>) = 1 [pid 8524] <... futex resumed>) = 0 [pid 8527] <... futex resumed>) = 0 [pid 8525] mkdir("./bus", 000 [pid 8524] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8527] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8525] <... mkdir resumed>) = 0 [pid 8524] <... futex resumed>) = 0 [pid 8525] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8524] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8525] <... futex resumed>) = 0 [pid 8524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8525] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8524] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8529] <... mount resumed>) = 0 [pid 8526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8524] <... futex resumed>) = 0 [pid 8529] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8526] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8524] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8529] <... openat resumed>) = 3 [pid 8527] <... futex resumed>) = 0 [pid 8526] <... futex resumed>) = 1 [pid 8529] chdir("./bus" [pid 8527] mkdir("./bus", 000 [pid 8526] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8529] <... chdir resumed>) = 0 [pid 8527] <... mkdir resumed>) = 0 [pid 8527] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8526] <... futex resumed>) = 0 [pid 8529] ioctl(4, LOOP_CLR_FD) = 0 [pid 8529] close(4) = 0 [pid 8527] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8526] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8529] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8528] <... futex resumed>) = 0 [pid 8527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8526] <... futex resumed>) = 0 [pid 8529] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 275.282521][ T8529] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 275.293565][ T8525] overlayfs: upper fs needs to support d_type. [ 275.299779][ T8525] overlayfs: upper fs does not support tmpfile. [pid 8528] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8527] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8526] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8528] <... futex resumed>) = 0 [pid 8529] mkdir("./file1", 000) = 0 [pid 8529] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8528] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8529] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8528] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8529] <... futex resumed>) = 0 [pid 8528] <... futex resumed>) = 1 [pid 8529] mkdir("./bus", 000 [pid 8528] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8529] <... mkdir resumed>) = 0 [pid 8529] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8529] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8528] <... futex resumed>) = 0 [pid 8528] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8529] <... futex resumed>) = 0 [pid 8528] <... futex resumed>) = 1 [ 275.330573][ T8527] overlayfs: upper fs needs to support d_type. [ 275.353105][ T8527] overlayfs: upper fs does not support tmpfile. [ 275.361919][ T8529] overlayfs: upper fs needs to support d_type. [ 275.368134][ T8529] overlayfs: upper fs does not support tmpfile. [pid 8529] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8528] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8524] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8524] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8526] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8524] <... mmap resumed>) = 0x7fe580439000 [pid 8526] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8524] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8526] <... mmap resumed>) = 0x7fe580439000 [pid 8524] <... mprotect resumed>) = 0 [pid 8526] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8524] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8526] <... mprotect resumed>) = 0 [pid 8526] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8535], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8535 [pid 8526] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8526] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8524] <... clone resumed>, parent_tid=[8536], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8536 [pid 8524] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8524] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8535 attached ./strace-static-x86_64: Process 8536 attached [pid 8536] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8536] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8536] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8535] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8535] mkdir(".", 0777) = -1 EEXIST (File exists) [ 275.374467][ T8527] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 275.384679][ T8525] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 275.385638][ T8529] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 275.394313][ T8527] overlayfs: failed to resolve './file0': -2 [ 275.413143][ T8535] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8535] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = 0 [pid 8535] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8528] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] umount2("./211/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8535] <... futex resumed>) = 1 [pid 8526] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8535] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] lstat("./211/bus", [pid 8528] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8527] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8528] <... futex resumed>) = 0 [pid 8527] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8527] <... futex resumed>) = 0 [pid 8528] <... mmap resumed>) = 0x7fe580439000 [pid 8527] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8528] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8528] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8537], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8537 [pid 8528] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8528] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8537 attached [pid 8537] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8537] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8537] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8526] exit_group(0 [pid 5008] umount2("./211/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8535] <... futex resumed>) = ? [pid 8526] <... exit_group resumed>) = ? [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8535] +++ exited with 0 +++ [pid 8527] <... futex resumed>) = ? [pid 5008] openat(AT_FDCWD, "./211/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8527] +++ exited with 0 +++ [pid 8526] +++ exited with 0 +++ [ 275.417602][ T8536] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 275.438262][ T8529] overlayfs: failed to resolve './file0': -2 [ 275.463632][ T8525] overlayfs: failed to resolve './file0': -2 [pid 8536] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8526, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(4, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] close(4 [pid 5007] <... openat resumed>) = 3 [pid 5008] <... close resumed>) = 0 [pid 5007] fstat(3, [pid 5008] rmdir("./211/bus" [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] getdents64(3, [pid 5008] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./209/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./211/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./211/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./211") = 0 [pid 5008] mkdir("./212", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8536] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8538 [pid 8536] <... futex resumed>) = 1 [pid 8536] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8538 attached [pid 8537] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8524] <... futex resumed>) = 0 [pid 8538] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8538] chdir("./212") = 0 [pid 8537] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8538] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8537] <... futex resumed>) = 1 [pid 8528] <... futex resumed>) = 0 [pid 8538] <... prctl resumed>) = 0 [pid 8537] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8538] setpgid(0, 0) = 0 [pid 8538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8538] write(3, "1000", 4) = 4 [pid 8538] close(3) = 0 [pid 8538] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8529] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8538] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8538] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8529] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8538] <... mprotect resumed>) = 0 [pid 8538] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8529] <... futex resumed>) = 0 [pid 8528] exit_group(0 [pid 8538] <... clone resumed>, parent_tid=[8539], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8539 [pid 8537] <... futex resumed>) = ? [pid 8528] <... exit_group resumed>) = ? [pid 8538] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8537] +++ exited with 0 +++ [pid 8529] +++ exited with 0 +++ [pid 8528] +++ exited with 0 +++ [pid 8538] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8528, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 8538] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8525] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 275.468198][ T8537] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] umount2("./208/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8539 attached [pid 8525] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8524] exit_group(0 [pid 8539] set_robust_list(0x7fe58847a9e0, 24 [pid 8536] <... futex resumed>) = ? [pid 8525] <... futex resumed>) = ? [pid 8524] <... exit_group resumed>) = ? [pid 8539] <... set_robust_list resumed>) = 0 [pid 8536] +++ exited with 0 +++ [pid 8539] memfd_create("syzkaller", 0 [pid 8525] +++ exited with 0 +++ [pid 8524] +++ exited with 0 +++ [pid 8539] <... memfd_create resumed>) = 3 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8524, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 8539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5005] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./210/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./208/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./208/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./208/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./208/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4 [pid 5007] umount2("./209/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./208/bus" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./209/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./209/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./209/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./209/bus" [pid 8539] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... rmdir resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5007] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./209/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./209/binderfs" [pid 5004] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... unlink resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5004] lstat("./208/binderfs", [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] close(3) = 0 [pid 5004] unlink("./208/binderfs" [pid 5007] rmdir("./209") = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5007] mkdir("./210", 0777 [pid 5005] <... umount2 resumed>) = 0 [pid 5004] getdents64(3, [pid 5007] <... mkdir resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5005] umount2("./210/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] close(3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] lstat("./210/bus", [pid 5004] <... close resumed>) = 0 [pid 5007] close(3 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] rmdir("./208" [pid 5007] <... close resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5004] mkdir("./209", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8540 ./strace-static-x86_64: Process 8540 attached [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] umount2("./210/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8541 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./210/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4 [pid 8540] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8540] chdir("./209" [pid 5005] <... close resumed>) = 0 [pid 8540] <... chdir resumed>) = 0 [pid 5005] rmdir("./210/bus" [pid 8540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 8540] setpgid(0, 0 [pid 5005] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8541 attached [pid 8540] <... setpgid resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] lstat("./210/binderfs", [pid 8541] set_robust_list(0x5555568c85e0, 24 [pid 8540] <... openat resumed>) = 3 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8541] <... set_robust_list resumed>) = 0 [pid 8540] write(3, "1000", 4 [pid 5005] unlink("./210/binderfs" [pid 8540] <... write resumed>) = 4 [pid 5005] <... unlink resumed>) = 0 [pid 8541] chdir("./210" [pid 8540] close(3 [pid 5005] getdents64(3, [pid 8541] <... chdir resumed>) = 0 [pid 8540] <... close resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8540] symlink("/dev/binderfs", "./binderfs" [pid 5005] close(3 [pid 8541] <... prctl resumed>) = 0 [pid 8540] <... symlink resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 8541] setpgid(0, 0 [pid 8540] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] rmdir("./210" [pid 8541] <... setpgid resumed>) = 0 [pid 8540] <... futex resumed>) = 0 [pid 8540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8540] <... mmap resumed>) = 0x7fe58845a000 [pid 5005] <... rmdir resumed>) = 0 [pid 8541] <... openat resumed>) = 3 [pid 8540] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] mkdir("./211", 0777 [pid 8541] write(3, "1000", 4 [pid 8540] <... mprotect resumed>) = 0 [pid 8541] <... write resumed>) = 4 [pid 8540] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... mkdir resumed>) = 0 [pid 8541] close(3 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8541] <... close resumed>) = 0 [pid 8540] <... clone resumed>, parent_tid=[8542], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8542 [pid 8541] symlink("/dev/binderfs", "./binderfs" [pid 8540] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... openat resumed>) = 3 [pid 8541] <... symlink resumed>) = 0 [pid 8540] <... futex resumed>) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 8541] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8540] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8541] <... futex resumed>) = 0 [pid 5005] close(3 [pid 8541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... close resumed>) = 0 [pid 8541] <... mmap resumed>) = 0x7fe58845a000 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8541] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 8542 attached ) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8543 [pid 8542] set_robust_list(0x7fe58847a9e0, 24 [pid 8541] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8542] <... set_robust_list resumed>) = 0 [pid 8542] memfd_create("syzkaller", 0) = 3 [pid 8542] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8541] <... clone resumed>, parent_tid=[8544], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8544 [pid 8541] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8544 attached ./strace-static-x86_64: Process 8543 attached [pid 8541] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8544] set_robust_list(0x7fe58847a9e0, 24 [pid 8543] set_robust_list(0x5555568c85e0, 24 [pid 8544] <... set_robust_list resumed>) = 0 [pid 8543] <... set_robust_list resumed>) = 0 [pid 8544] memfd_create("syzkaller", 0 [pid 8543] chdir("./211" [pid 8544] <... memfd_create resumed>) = 3 [pid 8543] <... chdir resumed>) = 0 [pid 8544] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8544] <... mmap resumed>) = 0x7fe58005a000 [pid 8543] <... prctl resumed>) = 0 [pid 8543] setpgid(0, 0) = 0 [pid 8543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8543] write(3, "1000", 4) = 4 [pid 8543] close(3) = 0 [pid 8543] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8543] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8543] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8543] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8545], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8545 [pid 8543] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8545 attached ) = 0 [pid 8539] <... write resumed>) = 4194304 [pid 8545] set_robust_list(0x7fe58847a9e0, 24 [pid 8543] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8539] munmap(0x7fe58005a000, 4194304 [pid 8545] <... set_robust_list resumed>) = 0 [pid 8545] memfd_create("syzkaller", 0) = 3 [pid 8545] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8539] <... munmap resumed>) = 0 [pid 8539] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8539] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8539] close(3) = 0 [pid 8539] mkdir("./bus", 0777) = 0 [pid 8539] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 275.754912][ T8539] loop5: detected capacity change from 0 to 8192 [pid 8542] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 275.795483][ T8539] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 275.811297][ T8539] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 275.821822][ T8539] REISERFS (device loop5): using ordered data mode [ 275.829335][ T8539] reiserfs: using flush barriers [pid 8544] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8545] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8539] <... mount resumed>) = 0 [pid 8539] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8539] chdir("./bus") = 0 [pid 8539] ioctl(4, LOOP_CLR_FD) = 0 [pid 8539] close(4 [pid 8542] <... write resumed>) = 4194304 [pid 8539] <... close resumed>) = 0 [pid 8539] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8538] <... futex resumed>) = 0 [pid 8539] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8538] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8538] <... futex resumed>) = 0 [pid 8539] mkdir("./file1", 000 [pid 8538] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8539] <... mkdir resumed>) = 0 [pid 8539] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8538] <... futex resumed>) = 0 [pid 8544] <... write resumed>) = 4194304 [ 275.838171][ T8539] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 275.856697][ T8539] REISERFS (device loop5): checking transaction log (loop5) [ 275.865250][ T8539] REISERFS (device loop5): Using r5 hash to sort names [ 275.872718][ T8539] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 275.885809][ T8539] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8542] munmap(0x7fe58005a000, 4194304 [pid 8539] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8538] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8544] munmap(0x7fe58005a000, 4194304 [pid 8542] <... munmap resumed>) = 0 [pid 8539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8538] <... futex resumed>) = 0 [pid 8544] <... munmap resumed>) = 0 [pid 8542] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8539] mkdir("./bus", 000 [pid 8538] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8545] <... write resumed>) = 4194304 [pid 8544] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8542] <... openat resumed>) = 4 [pid 8539] <... mkdir resumed>) = 0 [pid 8545] munmap(0x7fe58005a000, 4194304 [pid 8544] <... openat resumed>) = 4 [pid 8542] ioctl(4, LOOP_SET_FD, 3 [pid 8539] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8545] <... munmap resumed>) = 0 [pid 8544] ioctl(4, LOOP_SET_FD, 3 [pid 8545] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8545] ioctl(4, LOOP_SET_FD, 3 [pid 8539] <... futex resumed>) = 1 [pid 8538] <... futex resumed>) = 0 [pid 8545] <... ioctl resumed>) = 0 [pid 8545] close(3) = 0 [pid 8545] mkdir("./bus", 0777) = 0 [pid 8545] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8542] <... ioctl resumed>) = 0 [pid 8542] close(3) = 0 [pid 8539] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8538] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8538] <... futex resumed>) = 0 [pid 8539] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8538] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8542] mkdir("./bus", 0777) = 0 [ 275.948534][ T8542] loop1: detected capacity change from 0 to 8192 [ 275.952125][ T8545] loop2: detected capacity change from 0 to 8192 [ 275.955355][ T8544] loop4: detected capacity change from 0 to 8192 [ 275.970871][ T8539] overlayfs: upper fs needs to support d_type. [ 275.971004][ T8545] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 275.977675][ T8539] overlayfs: upper fs does not support tmpfile. [pid 8542] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8544] <... ioctl resumed>) = 0 [pid 8544] close(3) = 0 [pid 8538] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8544] mkdir("./bus", 0777 [ 275.992728][ T8545] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 275.998071][ T8539] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 276.013825][ T8542] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.015238][ T8539] overlayfs: failed to resolve './file0': -2 [ 276.034471][ T8542] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8538] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8544] <... mkdir resumed>) = 0 [pid 8538] <... futex resumed>) = 0 [pid 8544] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8539] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8538] <... mmap resumed>) = 0x7fe580439000 [pid 8539] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8538] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8539] <... futex resumed>) = 0 [pid 8538] <... mprotect resumed>) = 0 [pid 8539] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8538] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8550], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8550 [pid 8538] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 276.035358][ T8545] REISERFS (device loop2): using ordered data mode [ 276.045245][ T8542] REISERFS (device loop1): using ordered data mode [ 276.050779][ T8545] reiserfs: using flush barriers [ 276.058275][ T8542] reiserfs: using flush barriers [ 276.067278][ T8544] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.068115][ T8542] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8538] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8550 attached [pid 8550] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8550] mkdir(".", 0777) = -1 EEXIST (File exists) [ 276.085101][ T8545] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.096692][ T8542] REISERFS (device loop1): checking transaction log (loop1) [ 276.112880][ T8545] REISERFS (device loop2): checking transaction log (loop2) [ 276.128365][ T8544] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8550] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 8550] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8538] <... futex resumed>) = 0 [pid 8538] exit_group(0 [pid 8539] <... futex resumed>) = ? [pid 8538] <... exit_group resumed>) = ? [pid 8539] +++ exited with 0 +++ [pid 8550] <... futex resumed>) = ? [pid 8550] +++ exited with 0 +++ [pid 8538] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8538, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5008] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 276.130061][ T8550] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 276.138085][ T8544] REISERFS (device loop4): using ordered data mode [ 276.158810][ T8544] reiserfs: using flush barriers [ 276.163956][ T8545] REISERFS (device loop2): Using r5 hash to sort names [ 276.171045][ T8545] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 276.183780][ T8542] REISERFS (device loop1): Using r5 hash to sort names [pid 5008] umount2("./212/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8542] <... mount resumed>) = 0 [pid 8542] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8545] <... mount resumed>) = 0 [pid 8542] <... openat resumed>) = 3 [pid 8545] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8542] chdir("./bus") = 0 [pid 8545] <... openat resumed>) = 3 [pid 8545] chdir("./bus") = 0 [ 276.190844][ T8542] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 276.203215][ T8544] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.204240][ T8542] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 276.221695][ T8545] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 276.229366][ T8544] REISERFS (device loop4): checking transaction log (loop4) [pid 8545] ioctl(4, LOOP_CLR_FD) = 0 [pid 8545] close(4 [pid 8542] ioctl(4, LOOP_CLR_FD) = 0 [pid 8542] close(4) = 0 [pid 8542] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8540] <... futex resumed>) = 0 [pid 8542] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8540] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8540] <... futex resumed>) = 0 [pid 8542] mkdir("./file1", 000 [pid 8540] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8545] <... close resumed>) = 0 [pid 8542] <... mkdir resumed>) = 0 [pid 8545] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8542] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8545] <... futex resumed>) = 1 [pid 8543] <... futex resumed>) = 0 [pid 8542] <... futex resumed>) = 1 [pid 8540] <... futex resumed>) = 0 [pid 8545] mkdir("./file1", 000 [pid 8543] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8542] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8540] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8545] <... mkdir resumed>) = 0 [pid 8543] <... futex resumed>) = 0 [pid 8542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8540] <... futex resumed>) = 0 [pid 8545] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8543] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8542] mkdir("./bus", 000 [pid 8540] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8545] <... futex resumed>) = 0 [pid 8543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8542] <... mkdir resumed>) = 0 [pid 8545] mkdir("./bus", 000 [pid 8543] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8542] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8545] <... mkdir resumed>) = 0 [pid 8543] <... futex resumed>) = 0 [pid 8542] <... futex resumed>) = 1 [pid 8540] <... futex resumed>) = 0 [pid 8545] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8543] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8542] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8540] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8545] <... futex resumed>) = 0 [ 276.246787][ T8544] REISERFS (device loop4): Using r5 hash to sort names [ 276.255838][ T8544] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8540] <... futex resumed>) = 0 [pid 8545] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8543] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8542] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8540] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8543] <... futex resumed>) = 0 [pid 8545] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8543] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8544] <... mount resumed>) = 0 [pid 8544] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5008] <... umount2 resumed>) = 0 [pid 8544] chdir("./bus" [pid 5008] umount2("./212/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8544] <... chdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./212/bus", [pid 8544] ioctl(4, LOOP_CLR_FD [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8544] <... ioctl resumed>) = 0 [pid 5008] umount2("./212/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8544] close(4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 276.311241][ T8544] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 276.322350][ T8542] overlayfs: upper fs needs to support d_type. [ 276.324175][ T8545] overlayfs: upper fs needs to support d_type. [ 276.328747][ T8542] overlayfs: upper fs does not support tmpfile. [ 276.343446][ T8542] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 276.354011][ T8542] overlayfs: failed to resolve './file0': -2 [pid 8544] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./212/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8544] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8541] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 8544] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] fstat(4, [pid 8544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8541] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8544] mkdir("./file1", 000 [pid 5008] getdents64(4, [pid 8541] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8544] <... mkdir resumed>) = 0 [pid 8541] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] getdents64(4, [pid 8544] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8544] <... futex resumed>) = 0 [pid 8541] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8544] mkdir("./bus", 000 [pid 8541] <... futex resumed>) = 0 [pid 8541] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8544] <... mkdir resumed>) = 0 [pid 5008] close(4 [pid 8544] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... close resumed>) = 0 [pid 8544] <... futex resumed>) = 1 [pid 8541] <... futex resumed>) = 0 [pid 5008] rmdir("./212/bus" [pid 8544] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8541] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8543] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8541] <... futex resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 8544] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8543] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8541] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8543] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 276.358252][ T8545] overlayfs: upper fs does not support tmpfile. [pid 8543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8543] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8543] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8551], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8551 [pid 8543] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8543] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8551 attached [pid 8551] set_robust_list(0x7fe5804599e0, 24 [pid 8540] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8540] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] lstat("./212/binderfs", [pid 8540] <... futex resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] unlink("./212/binderfs" [pid 8540] <... mmap resumed>) = 0x7fe580439000 [pid 8540] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... unlink resumed>) = 0 [pid 8540] <... mprotect resumed>) = 0 [pid 5008] getdents64(3, [pid 8551] <... set_robust_list resumed>) = 0 [pid 8540] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8551] mkdir(".", 0777 [pid 5008] close(3 [pid 8542] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8551] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8540] <... clone resumed>, parent_tid=[8552], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8552 [pid 5008] <... close resumed>) = 0 [pid 8551] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8542] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8540] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [ 276.388938][ T8544] overlayfs: upper fs needs to support d_type. [ 276.401324][ T8544] overlayfs: upper fs does not support tmpfile. [ 276.406717][ T8545] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 276.408660][ T8544] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 276.417913][ T8551] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] rmdir("./212"./strace-static-x86_64: Process 8552 attached [pid 8542] <... futex resumed>) = 0 [pid 8541] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8540] <... futex resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 8552] set_robust_list(0x7fe5804599e0, 24 [pid 8542] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8541] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8540] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] mkdir("./213", 0777 [pid 8552] <... set_robust_list resumed>) = 0 [pid 8541] <... futex resumed>) = 0 [pid 8552] mkdir(".", 0777 [pid 8541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... mkdir resumed>) = 0 [pid 8552] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8541] <... mmap resumed>) = 0x7fe580439000 [pid 8552] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8541] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8541] <... mprotect resumed>) = 0 [pid 8551] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8541] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... openat resumed>) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 8551] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8543] <... futex resumed>) = 0 [pid 8541] <... clone resumed>, parent_tid=[8553], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8553 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8541] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] close(3) = 0 [pid 8551] <... futex resumed>) = 1 [pid 8551] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8553 attached [pid 8553] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8553] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8553] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8541] <... futex resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8541] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8554 [ 276.424187][ T8544] overlayfs: failed to resolve './file0': -2 ./strace-static-x86_64: Process 8554 attached [pid 8552] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8554] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8554] chdir("./213") = 0 [pid 8554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8554] setpgid(0, 0) = 0 [pid 8554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8554] write(3, "1000", 4) = 4 [pid 8554] close(3) = 0 [pid 8554] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8554] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8554] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8554] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8544] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8544] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8544] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8554] <... clone resumed>, parent_tid=[8555], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8555 [pid 8554] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8554] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8555 attached [pid 8553] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8552] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8545] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8553] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8552] <... futex resumed>) = 1 [pid 8540] <... futex resumed>) = 0 [pid 8555] set_robust_list(0x7fe58847a9e0, 24 [pid 8553] <... futex resumed>) = 1 [pid 8552] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8545] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8541] <... futex resumed>) = 0 [pid 8540] exit_group(0 [pid 8553] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8541] exit_group(0 [pid 8542] <... futex resumed>) = ? [pid 8540] <... exit_group resumed>) = ? [pid 8543] exit_group(0 [pid 8542] +++ exited with 0 +++ [pid 8552] <... futex resumed>) = ? [pid 8545] <... futex resumed>) = ? [pid 8553] <... futex resumed>) = ? [pid 8544] <... futex resumed>) = ? [pid 8541] <... exit_group resumed>) = ? [pid 8552] +++ exited with 0 +++ [pid 8551] <... futex resumed>) = ? [pid 8544] +++ exited with 0 +++ [pid 8543] <... exit_group resumed>) = ? [pid 8551] +++ exited with 0 +++ [pid 8545] +++ exited with 0 +++ [pid 8555] <... set_robust_list resumed>) = 0 [pid 8555] memfd_create("syzkaller", 0) = 3 [pid 8555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8540] +++ exited with 0 +++ [pid 8555] <... mmap resumed>) = 0x7fe58005a000 [pid 8553] +++ exited with 0 +++ [pid 8543] +++ exited with 0 +++ [pid 8541] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8540, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8541, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8543, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... openat resumed>) = 3 [pid 5004] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] fstat(3, [pid 5005] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... openat resumed>) = 3 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] fstat(3, [pid 5007] getdents64(3, [pid 5005] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... openat resumed>) = 3 [ 276.464490][ T8552] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 276.468258][ T8545] overlayfs: failed to resolve './file0': -2 [ 276.484320][ T8553] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] getdents64(3, [pid 5007] umount2("./210/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(3, [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./209/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./211/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8555] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 8555] munmap(0x7fe58005a000, 4194304) = 0 [pid 8555] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8555] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8555] close(3) = 0 [pid 8555] mkdir("./bus", 0777) = 0 [ 276.618751][ T8555] loop5: detected capacity change from 0 to 8192 [pid 8555] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5007] <... umount2 resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5007] umount2("./210/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./211/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./209/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./210/bus", [pid 5005] lstat("./211/bus", [pid 5004] lstat("./209/bus", [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./210/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./210/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./210/bus") = 0 [pid 5007] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./210/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./210/binderfs" [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./209/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./209/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./209/bus") = 0 [pid 5004] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./209/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5005] umount2("./211/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] unlink("./209/binderfs" [pid 5007] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... unlink resumed>) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] openat(AT_FDCWD, "./211/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] getdents64(3, [pid 5007] close(3 [pid 5005] <... openat resumed>) = 4 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] <... close resumed>) = 0 [pid 5005] fstat(4, [pid 5004] close(3) = 0 [pid 5004] rmdir("./209") = 0 [pid 5004] mkdir("./210", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [ 276.661015][ T8555] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.676809][ T8555] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 276.686375][ T8555] REISERFS (device loop5): using ordered data mode [ 276.693140][ T8555] reiserfs: using flush barriers [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 5007] rmdir("./210" [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8557 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] getdents64(4, [pid 5007] mkdir("./211", 0777 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] getdents64(4, [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5005] close(4 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5005] <... close resumed>) = 0 ./strace-static-x86_64: Process 8557 attached [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] rmdir("./211/bus" [pid 5007] close(3 [pid 5005] <... rmdir resumed>) = 0 [pid 8557] set_robust_list(0x5555568c85e0, 24 [pid 5007] <... close resumed>) = 0 [pid 5005] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./211/binderfs", [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8558 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./211/binderfs" [pid 8557] <... set_robust_list resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./211") = 0 [pid 8557] chdir("./210" [pid 5005] mkdir("./212", 0777) = 0 [pid 8557] <... chdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... openat resumed>) = 3 ./strace-static-x86_64: Process 8558 attached [pid 8557] <... prctl resumed>) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 8557] setpgid(0, 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8558] set_robust_list(0x5555568c85e0, 24 [pid 8557] <... setpgid resumed>) = 0 [pid 8558] <... set_robust_list resumed>) = 0 [pid 8557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8558] chdir("./211" [pid 8557] <... openat resumed>) = 3 [pid 8558] <... chdir resumed>) = 0 [pid 8557] write(3, "1000", 4 [pid 8558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8557] <... write resumed>) = 4 [pid 8558] <... prctl resumed>) = 0 [pid 8557] close(3 [pid 8558] setpgid(0, 0 [pid 8557] <... close resumed>) = 0 [pid 8558] <... setpgid resumed>) = 0 [pid 8557] symlink("/dev/binderfs", "./binderfs" [pid 8558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8557] <... symlink resumed>) = 0 [pid 8558] <... openat resumed>) = 3 [pid 8557] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8558] write(3, "1000", 4 [pid 8557] <... futex resumed>) = 0 [pid 5005] close(3 [pid 8558] <... write resumed>) = 4 [pid 8557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8558] close(3 [pid 8557] <... mmap resumed>) = 0x7fe58845a000 [ 276.701031][ T8555] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.718804][ T8555] REISERFS (device loop5): checking transaction log (loop5) [ 276.729614][ T8555] REISERFS (device loop5): Using r5 hash to sort names [ 276.741716][ T8555] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8558] <... close resumed>) = 0 [pid 8557] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8558] symlink("/dev/binderfs", "./binderfs" [pid 8557] <... mprotect resumed>) = 0 [pid 8558] <... symlink resumed>) = 0 [pid 8557] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8558] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8557] <... clone resumed>, parent_tid=[8559], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8559 [pid 8558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8557] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8558] <... mmap resumed>) = 0x7fe58845a000 [pid 8557] <... futex resumed>) = 0 [pid 8558] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8557] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8558] <... mprotect resumed>) = 0 [pid 8558] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8560], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8560 [pid 8558] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] <... close resumed>) = 0 [pid 8558] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8555] <... mount resumed>) = 0 [pid 8555] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8555] chdir("./bus") = 0 [pid 8555] ioctl(4, LOOP_CLR_FD) = 0 [pid 8555] close(4) = 0 [pid 8555] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8554] <... futex resumed>) = 0 [pid 8554] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8554] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8555] <... futex resumed>) = 1 [pid 8555] mkdir("./file1", 000) = 0 [pid 8555] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8554] <... futex resumed>) = 0 [pid 8554] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8554] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8555] <... futex resumed>) = 1 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8555] mkdir("./bus", 000) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8561 [pid 8555] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8554] <... futex resumed>) = 0 [pid 8554] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8554] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8555] <... futex resumed>) = 1 ./strace-static-x86_64: Process 8559 attached [pid 8555] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8559] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8559] memfd_create("syzkaller", 0) = 3 ./strace-static-x86_64: Process 8560 attached [pid 8559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8560] set_robust_list(0x7fe58847a9e0, 24 [pid 8559] <... mmap resumed>) = 0x7fe58005a000 [pid 8560] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 8561 attached [pid 8560] memfd_create("syzkaller", 0) = 3 [pid 8560] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8561] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8561] chdir("./212") = 0 [pid 8561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8561] setpgid(0, 0) = 0 [pid 8561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8561] write(3, "1000", 4) = 4 [pid 8561] close(3) = 0 [pid 8561] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8561] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8561] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8561] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8562], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8562 [pid 8561] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 276.760401][ T8555] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 276.793739][ T8555] overlayfs: upper fs needs to support d_type. [ 276.799977][ T8555] overlayfs: upper fs does not support tmpfile. [pid 8561] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8554] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8554] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8554] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8554] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8562 attached , parent_tid=[8563], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8563 [pid 8554] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8562] set_robust_list(0x7fe58847a9e0, 24 [pid 8554] <... futex resumed>) = 0 [pid 8562] <... set_robust_list resumed>) = 0 [pid 8554] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8562] memfd_create("syzkaller", 0) = 3 [pid 8562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 ./strace-static-x86_64: Process 8563 attached [pid 8563] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8563] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8563] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 276.829681][ T8555] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 276.852062][ T8555] overlayfs: failed to resolve './file0': -2 [pid 8560] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8555] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8555] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8555] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8559] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8560] <... write resumed>) = 4194304 [pid 8560] munmap(0x7fe58005a000, 4194304 [pid 8563] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8563] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8554] <... futex resumed>) = 0 [pid 8554] exit_group(0 [pid 8555] <... futex resumed>) = ? [pid 8554] <... exit_group resumed>) = ? [ 276.881842][ T8563] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8563] +++ exited with 0 +++ [pid 8555] +++ exited with 0 +++ [pid 8554] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8554, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 5008] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8560] <... munmap resumed>) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./213/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8560] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8560] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8560] close(3) = 0 [pid 8560] mkdir("./bus", 0777) = 0 [pid 8560] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 276.955232][ T8560] loop4: detected capacity change from 0 to 8192 [ 276.968582][ T8560] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.982493][ T8560] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 276.991932][ T8560] REISERFS (device loop4): using ordered data mode [ 276.998470][ T8560] reiserfs: using flush barriers [pid 8562] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./213/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 277.004802][ T8560] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 277.041541][ T8560] REISERFS (device loop4): checking transaction log (loop4) [pid 5008] lstat("./213/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./213/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./213/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./213/bus") = 0 [pid 5008] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./213/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./213/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./213") = 0 [pid 5008] mkdir("./214", 0777) = 0 [pid 8559] <... write resumed>) = 4194304 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8559] munmap(0x7fe58005a000, 4194304 [pid 5008] <... openat resumed>) = 3 [pid 8559] <... munmap resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8559] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] close(3 [pid 8559] <... openat resumed>) = 4 [pid 5008] <... close resumed>) = 0 [pid 8562] <... write resumed>) = 4194304 [pid 8560] <... mount resumed>) = 0 [pid 8559] ioctl(4, LOOP_SET_FD, 3 [ 277.053567][ T8560] REISERFS (device loop4): Using r5 hash to sort names [ 277.061550][ T8560] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 277.086554][ T8560] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8565 [pid 8560] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 8565 attached [pid 8565] set_robust_list(0x5555568c85e0, 24 [pid 8562] munmap(0x7fe58005a000, 4194304 [pid 8560] chdir("./bus" [pid 8559] <... ioctl resumed>) = 0 [pid 8560] <... chdir resumed>) = 0 [pid 8565] <... set_robust_list resumed>) = 0 [pid 8560] ioctl(4, LOOP_CLR_FD) = 0 [pid 8565] chdir("./214" [pid 8560] close(4 [pid 8565] <... chdir resumed>) = 0 [pid 8560] <... close resumed>) = 0 [pid 8565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8560] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8565] <... prctl resumed>) = 0 [pid 8562] <... munmap resumed>) = 0 [pid 8560] <... futex resumed>) = 1 [pid 8559] close(3 [pid 8558] <... futex resumed>) = 0 [pid 8562] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8559] <... close resumed>) = 0 [pid 8558] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8565] setpgid(0, 0 [pid 8562] <... openat resumed>) = 4 [pid 8560] mkdir("./file1", 000 [pid 8559] mkdir("./bus", 0777 [pid 8558] <... futex resumed>) = 0 [pid 8565] <... setpgid resumed>) = 0 [pid 8562] ioctl(4, LOOP_SET_FD, 3 [pid 8560] <... mkdir resumed>) = 0 [pid 8559] <... mkdir resumed>) = 0 [pid 8558] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8560] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8559] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8565] <... openat resumed>) = 3 [pid 8560] <... futex resumed>) = 1 [pid 8558] <... futex resumed>) = 0 [pid 8560] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8562] <... ioctl resumed>) = 0 [pid 8562] close(3) = 0 [pid 8560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8558] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8565] write(3, "1000", 4 [pid 8560] mkdir("./bus", 000 [pid 8558] <... futex resumed>) = 0 [pid 8562] mkdir("./bus", 0777 [pid 8560] <... mkdir resumed>) = 0 [pid 8558] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8565] <... write resumed>) = 4 [pid 8560] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8565] close(3 [pid 8560] <... futex resumed>) = 1 [pid 8558] <... futex resumed>) = 0 [pid 8565] <... close resumed>) = 0 [pid 8558] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8560] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8565] symlink("/dev/binderfs", "./binderfs" [pid 8558] <... futex resumed>) = 0 [pid 8558] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8562] <... mkdir resumed>) = 0 [pid 8565] <... symlink resumed>) = 0 [pid 8565] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8562] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8565] <... futex resumed>) = 0 [pid 8565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8565] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8565] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8568], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8568 [pid 8565] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 277.104922][ T8559] loop1: detected capacity change from 0 to 8192 [ 277.125465][ T8562] loop2: detected capacity change from 0 to 8192 [ 277.140541][ T8560] overlayfs: upper fs needs to support d_type. [ 277.147307][ T8560] overlayfs: upper fs does not support tmpfile. [pid 8565] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8558] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8558] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8558] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8558] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8569], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8569 [pid 8558] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 277.152650][ T8559] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 277.154619][ T8562] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 277.167093][ T8559] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 277.189509][ T8559] REISERFS (device loop1): using ordered data mode [ 277.196446][ T8559] reiserfs: using flush barriers [pid 8558] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8568 attached ./strace-static-x86_64: Process 8569 attached [pid 8569] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8569] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8569] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8568] set_robust_list(0x7fe58847a9e0, 24) = 0 [ 277.202778][ T8559] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 277.221381][ T8559] REISERFS (device loop1): checking transaction log (loop1) [ 277.230752][ T8562] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 277.232308][ T8560] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 277.240555][ T8562] REISERFS (device loop2): using ordered data mode [pid 8568] memfd_create("syzkaller", 0) = 3 [pid 8568] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8569] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8569] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8558] <... futex resumed>) = 0 [pid 8569] <... futex resumed>) = 1 [pid 8569] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8568] <... mmap resumed>) = 0x7fe58005a000 [ 277.248480][ T8569] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 277.253780][ T8559] REISERFS (device loop1): Using r5 hash to sort names [ 277.253967][ T8559] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 277.271844][ T8560] overlayfs: failed to resolve './file0': -2 [ 277.276030][ T8562] reiserfs: using flush barriers [pid 8559] <... mount resumed>) = 0 [pid 8559] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8559] chdir("./bus") = 0 [pid 8559] ioctl(4, LOOP_CLR_FD [pid 8560] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8559] <... ioctl resumed>) = 0 [pid 8560] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8559] close(4 [pid 8560] <... futex resumed>) = 0 [pid 8559] <... close resumed>) = 0 [pid 8558] exit_group(0) = ? [pid 8569] <... futex resumed>) = ? [pid 8569] +++ exited with 0 +++ [pid 8559] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8560] +++ exited with 0 +++ [pid 8558] +++ exited with 0 +++ [pid 8559] <... futex resumed>) = 1 [pid 8557] <... futex resumed>) = 0 [pid 8559] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8557] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8558, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 8559] <... futex resumed>) = 0 [pid 8557] <... futex resumed>) = 1 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 8559] mkdir("./file1", 000) = 0 [pid 8557] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... restart_syscall resumed>) = 0 [pid 8559] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8559] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 8557] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8559] mkdir("./bus", 000 [pid 8557] <... futex resumed>) = 0 [pid 5007] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8559] <... mkdir resumed>) = 0 [pid 8557] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8559] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5007] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8559] <... futex resumed>) = 0 [pid 8557] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... openat resumed>) = 3 [pid 8559] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8557] <... futex resumed>) = 0 [pid 5007] fstat(3, [pid 8557] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 277.291989][ T8559] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 277.310830][ T8562] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 277.336254][ T8562] REISERFS (device loop2): checking transaction log (loop2) [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./211/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8568] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8557] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 277.359273][ T8559] overlayfs: upper fs needs to support d_type. [ 277.368092][ T8559] overlayfs: upper fs does not support tmpfile. [ 277.368422][ T8562] REISERFS (device loop2): Using r5 hash to sort names [ 277.380318][ T8559] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 277.390944][ T8559] overlayfs: failed to resolve './file0': -2 [pid 8557] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8557] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8557] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8570], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8570 [pid 8557] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8557] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8570 attached [pid 8570] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8570] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8570] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8562] <... mount resumed>) = 0 [pid 8562] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8562] chdir("./bus" [pid 8559] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 277.397950][ T8562] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 277.411424][ T8562] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8562] <... chdir resumed>) = 0 [pid 8559] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8562] ioctl(4, LOOP_CLR_FD [pid 8559] <... futex resumed>) = 0 [pid 8570] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8562] <... ioctl resumed>) = 0 [pid 8559] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] <... umount2 resumed>) = 0 [pid 8570] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8562] close(4 [pid 5007] umount2("./211/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8570] <... futex resumed>) = 1 [pid 8562] <... close resumed>) = 0 [pid 8557] <... futex resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8570] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8562] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] lstat("./211/bus", [pid 8562] <... futex resumed>) = 1 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8562] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] umount2("./211/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./211/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8568] <... write resumed>) = 4194304 [pid 8561] <... futex resumed>) = 0 [pid 8557] exit_group(0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./211/bus") = 0 [pid 5007] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./211/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./211/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3 [pid 8570] <... futex resumed>) = ? [pid 8561] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8559] <... futex resumed>) = ? [pid 8557] <... exit_group resumed>) = ? [pid 8570] +++ exited with 0 +++ [pid 8562] <... futex resumed>) = 0 [pid 8561] <... futex resumed>) = 1 [pid 8559] +++ exited with 0 +++ [pid 5007] <... close resumed>) = 0 [pid 8562] mkdir("./file1", 000 [pid 5007] rmdir("./211" [pid 8562] <... mkdir resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 8562] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] mkdir("./212", 0777 [pid 8562] <... futex resumed>) = 0 [pid 8561] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8557] +++ exited with 0 +++ [pid 5007] <... mkdir resumed>) = 0 [pid 8562] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8557, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 8561] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... openat resumed>) = 3 [pid 8562] <... futex resumed>) = 0 [pid 8561] <... futex resumed>) = 1 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 8562] mkdir("./bus", 000 [pid 8561] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8562] <... mkdir resumed>) = 0 [pid 5007] close(3 [pid 8568] munmap(0x7fe58005a000, 4194304 [pid 8562] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... close resumed>) = 0 [pid 8568] <... munmap resumed>) = 0 [pid 8562] <... futex resumed>) = 1 [pid 8561] <... futex resumed>) = 0 [ 277.452145][ T8570] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8568] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8562] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8561] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8568] <... openat resumed>) = 4 [pid 8562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8561] <... futex resumed>) = 0 [pid 5004] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8568] ioctl(4, LOOP_SET_FD, 3 [pid 8562] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8561] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8571 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./210/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8568] <... ioctl resumed>) = 0 [pid 8568] close(3) = 0 ./strace-static-x86_64: Process 8571 attached [pid 8568] mkdir("./bus", 0777 [pid 8571] set_robust_list(0x5555568c85e0, 24 [pid 8568] <... mkdir resumed>) = 0 [pid 8571] <... set_robust_list resumed>) = 0 [pid 8571] chdir("./212") = 0 [pid 8568] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 277.516938][ T8568] loop5: detected capacity change from 0 to 8192 [ 277.517450][ T8562] overlayfs: upper fs needs to support d_type. [ 277.535781][ T8562] overlayfs: upper fs does not support tmpfile. [ 277.551060][ T8562] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 277.559630][ T8562] overlayfs: failed to resolve './file0': -2 [pid 8571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8561] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8561] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8571] setpgid(0, 0 [pid 8561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8571] <... setpgid resumed>) = 0 [pid 8561] <... mmap resumed>) = 0x7fe580439000 [pid 8561] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8561] <... mprotect resumed>) = 0 [pid 8571] <... openat resumed>) = 3 [pid 8561] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8571] write(3, "1000", 4 [pid 8562] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8571] <... write resumed>) = 4 [pid 8562] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8561] <... clone resumed>, parent_tid=[8573], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8573 [pid 8571] close(3 [pid 8562] <... futex resumed>) = 0 [pid 8561] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8571] <... close resumed>) = 0 [pid 8562] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8561] <... futex resumed>) = 0 [pid 8571] symlink("/dev/binderfs", "./binderfs" [pid 8561] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8571] <... symlink resumed>) = 0 [pid 8571] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 ./strace-static-x86_64: Process 8573 attached [pid 8571] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8573] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8571] <... mprotect resumed>) = 0 [pid 8573] mkdir(".", 0777 [pid 8571] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8573] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8573] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8571] <... clone resumed>, parent_tid=[8574], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8574 [pid 8571] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8571] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8574 attached [pid 8574] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8574] memfd_create("syzkaller", 0) = 3 [ 277.567352][ T8568] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8574] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./210/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./210/bus", [pid 8573] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./210/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./210/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 277.613533][ T8573] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 277.628502][ T8568] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 277.638904][ T8568] REISERFS (device loop5): using ordered data mode [ 277.646089][ T8568] reiserfs: using flush barriers [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./210/bus") = 0 [pid 5004] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./210/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./210/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./210") = 0 [pid 5004] mkdir("./211", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8575 [pid 8573] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8561] <... futex resumed>) = 0 [pid 8573] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8561] exit_group(0 [pid 8573] <... futex resumed>) = ? [pid 8561] <... exit_group resumed>) = ? [pid 8573] +++ exited with 0 +++ ./strace-static-x86_64: Process 8575 attached [pid 8575] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8575] chdir("./211") = 0 [pid 8562] <... futex resumed>) = ? [pid 8562] +++ exited with 0 +++ [pid 8561] +++ exited with 0 +++ [pid 8575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8561, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 8575] <... prctl resumed>) = 0 [pid 5005] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8575] setpgid(0, 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8575] <... setpgid resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... openat resumed>) = 3 [pid 5005] fstat(3, [pid 8575] <... openat resumed>) = 3 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8575] write(3, "1000", 4 [pid 5005] getdents64(3, [pid 8575] <... write resumed>) = 4 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./212/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8575] close(3) = 0 [pid 8575] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8575] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8575] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8575] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8576], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8576 [pid 8575] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8575] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8576 attached [pid 8576] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8576] memfd_create("syzkaller", 0) = 3 [pid 8576] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 277.652727][ T8568] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 277.669525][ T8568] REISERFS (device loop5): checking transaction log (loop5) [ 277.679073][ T8568] REISERFS (device loop5): Using r5 hash to sort names [pid 8576] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8574] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8568] <... mount resumed>) = 0 [pid 8568] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8568] chdir("./bus") = 0 [pid 8568] ioctl(4, LOOP_CLR_FD) = 0 [pid 8568] close(4) = 0 [pid 8568] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 277.731701][ T8568] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 277.765026][ T8568] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8568] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8565] <... futex resumed>) = 0 [pid 8565] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8576] <... write resumed>) = 4194304 [pid 8576] munmap(0x7fe58005a000, 4194304) = 0 [pid 8576] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8576] ioctl(4, LOOP_SET_FD, 3 [pid 8568] <... futex resumed>) = 0 [pid 8565] <... futex resumed>) = 1 [pid 8568] mkdir("./file1", 000) = 0 [pid 8568] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8568] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8576] <... ioctl resumed>) = 0 [pid 8576] close(3) = 0 [pid 8576] mkdir("./bus", 0777) = 0 [pid 8576] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8565] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8565] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8568] <... futex resumed>) = 0 [pid 8565] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8568] mkdir("./bus", 000) = 0 [pid 8568] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8565] <... futex resumed>) = 0 [pid 8565] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8565] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8568] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./212/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./212/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./212/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./212/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./212/bus") = 0 [pid 5005] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./212/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./212/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./212") = 0 [pid 5005] mkdir("./213", 0777) = 0 [pid 8565] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8565] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 277.800036][ T8576] loop1: detected capacity change from 0 to 8192 [ 277.812758][ T8568] overlayfs: upper fs needs to support d_type. [ 277.818976][ T8568] overlayfs: upper fs does not support tmpfile. [ 277.830847][ T8576] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 5005] <... openat resumed>) = 3 [pid 8565] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8565] <... mprotect resumed>) = 0 [pid 5005] close(3 [pid 8565] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8565] <... clone resumed>, parent_tid=[8578], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8578 [pid 8565] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8579 [pid 8565] <... futex resumed>) = 0 [pid 8565] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8574] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 8579 attached [pid 8579] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8579] chdir("./213") = 0 [pid 8579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8579] setpgid(0, 0) = 0 [pid 8579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 8578 attached [pid 8578] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8578] mkdir(".", 0777 [pid 8579] <... openat resumed>) = 3 [pid 8578] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8578] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8579] write(3, "1000", 4) = 4 [pid 8579] close(3) = 0 [pid 8579] symlink("/dev/binderfs", "./binderfs" [pid 8574] munmap(0x7fe58005a000, 4194304 [pid 8579] <... symlink resumed>) = 0 [pid 8574] <... munmap resumed>) = 0 [pid 8579] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8579] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [ 277.861533][ T8568] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 277.865475][ T8576] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 277.894523][ T8568] overlayfs: failed to resolve './file0': -2 [ 277.897684][ T8576] REISERFS (device loop1): using ordered data mode [pid 8579] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8574] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8568] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8579] <... clone resumed>, parent_tid=[8580], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8580 [pid 8579] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8579] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8574] <... openat resumed>) = 4 [pid 8568] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8580 attached [pid 8574] ioctl(4, LOOP_SET_FD, 3 [pid 8568] <... futex resumed>) = 0 [pid 8578] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8568] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8580] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8580] memfd_create("syzkaller", 0) = 3 [pid 8580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8578] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8574] <... ioctl resumed>) = 0 [pid 8565] <... futex resumed>) = 0 [pid 8578] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8574] close(3 [pid 8565] exit_group(0) = ? [ 277.921506][ T8576] reiserfs: using flush barriers [ 277.928565][ T8578] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 277.930633][ T8576] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 277.944638][ T8574] loop4: detected capacity change from 0 to 8192 [pid 8578] <... futex resumed>) = ? [pid 8574] <... close resumed>) = 0 [pid 8568] <... futex resumed>) = ? [pid 8578] +++ exited with 0 +++ [pid 8574] mkdir("./bus", 0777 [pid 8568] +++ exited with 0 +++ [pid 8565] +++ exited with 0 +++ [pid 8574] <... mkdir resumed>) = 0 [pid 8574] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8565, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5008] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 277.967208][ T8576] REISERFS (device loop1): checking transaction log (loop1) [ 277.981721][ T8574] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 277.995681][ T8574] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 277.995734][ T8576] REISERFS (device loop1): Using r5 hash to sort names [ 278.004925][ T8574] REISERFS (device loop4): using ordered data mode [pid 5008] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8580] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 278.012355][ T8576] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 278.018472][ T8574] reiserfs: using flush barriers [ 278.056909][ T8576] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5008] umount2("./214/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8580] <... write resumed>) = 4194304 [pid 8576] <... mount resumed>) = 0 [pid 8580] munmap(0x7fe58005a000, 4194304 [pid 8576] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8580] <... munmap resumed>) = 0 [pid 8576] chdir("./bus" [pid 8580] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8576] <... chdir resumed>) = 0 [pid 8580] <... openat resumed>) = 4 [pid 8576] ioctl(4, LOOP_CLR_FD [pid 8580] ioctl(4, LOOP_SET_FD, 3 [pid 8576] <... ioctl resumed>) = 0 [pid 8576] close(4 [pid 8580] <... ioctl resumed>) = 0 [pid 8580] close(3) = 0 [pid 8580] mkdir("./bus", 0777 [pid 8576] <... close resumed>) = 0 [pid 8580] <... mkdir resumed>) = 0 [pid 8580] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8576] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8575] <... futex resumed>) = 0 [pid 8575] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8575] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8576] mkdir("./file1", 000) = 0 [ 278.057858][ T8574] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.092313][ T8580] loop2: detected capacity change from 0 to 8192 [ 278.110228][ T8574] REISERFS (device loop4): checking transaction log (loop4) [pid 8576] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8575] <... futex resumed>) = 0 [pid 8576] mkdir("./bus", 000 [pid 8575] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8576] <... mkdir resumed>) = 0 [pid 8575] <... futex resumed>) = 0 [pid 8576] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8575] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8576] <... futex resumed>) = 0 [pid 8575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8576] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8575] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8575] <... futex resumed>) = 0 [pid 8576] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 278.131895][ T8580] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 278.146490][ T8574] REISERFS (device loop4): Using r5 hash to sort names [ 278.160141][ T8576] overlayfs: upper fs needs to support d_type. [ 278.160286][ T8574] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8575] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./214/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./214/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./214/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./214/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./214/bus") = 0 [pid 5008] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./214/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./214/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./214") = 0 [pid 5008] mkdir("./215", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8575] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8575] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8575] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8575] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8584], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8584 [pid 8575] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8575] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8583 ./strace-static-x86_64: Process 8583 attached [ 278.168483][ T8576] overlayfs: upper fs does not support tmpfile. [ 278.185497][ T8580] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 278.185579][ T8580] REISERFS (device loop2): using ordered data mode [ 278.202564][ T8580] reiserfs: using flush barriers ./strace-static-x86_64: Process 8584 attached [pid 8583] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8583] chdir("./215") = 0 [pid 8583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8584] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8583] <... prctl resumed>) = 0 [pid 8584] mkdir(".", 0777 [pid 8583] setpgid(0, 0) = 0 [pid 8583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8584] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8583] write(3, "1000", 4 [pid 8584] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8583] <... write resumed>) = 4 [pid 8576] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8583] close(3 [ 278.221233][ T8580] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.223566][ T8576] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 278.246901][ T8576] overlayfs: failed to resolve './file0': -2 [ 278.257542][ T8584] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 278.261745][ T8574] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8576] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8574] <... mount resumed>) = 0 [pid 8583] <... close resumed>) = 0 [pid 8583] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8583] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8583] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8583] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8585], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8585 ./strace-static-x86_64: Process 8585 attached [pid 8584] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8576] <... futex resumed>) = 0 [pid 8574] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8585] set_robust_list(0x7fe58847a9e0, 24 [pid 8584] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8583] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8576] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8583] <... futex resumed>) = 0 [pid 8583] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8574] <... openat resumed>) = 3 [pid 8574] chdir("./bus") = 0 [pid 8574] ioctl(4, LOOP_CLR_FD) = 0 [pid 8574] close(4 [pid 8585] <... set_robust_list resumed>) = 0 [pid 8584] <... futex resumed>) = 1 [pid 8575] <... futex resumed>) = 0 [pid 8574] <... close resumed>) = 0 [pid 8575] exit_group(0 [pid 8574] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8576] <... futex resumed>) = ? [pid 8575] <... exit_group resumed>) = ? [pid 8574] <... futex resumed>) = 1 [pid 8571] <... futex resumed>) = 0 [pid 8576] +++ exited with 0 +++ [pid 8574] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8571] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8585] memfd_create("syzkaller", 0 [pid 8580] <... mount resumed>) = 0 [pid 8574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8585] <... memfd_create resumed>) = 3 [pid 8584] +++ exited with 0 +++ [pid 8575] +++ exited with 0 +++ [pid 8571] <... futex resumed>) = 0 [pid 8580] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8580] chdir("./bus") = 0 [pid 8580] ioctl(4, LOOP_CLR_FD) = 0 [pid 8580] close(4) = 0 [pid 8580] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8580] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8579] <... futex resumed>) = 0 [pid 8574] mkdir("./file1", 000 [pid 8585] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8579] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8571] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8574] <... mkdir resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8575, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 8579] <... futex resumed>) = 1 [pid 8574] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8580] <... futex resumed>) = 0 [pid 8585] <... mmap resumed>) = 0x7fe58005a000 [pid 8579] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8574] <... futex resumed>) = 1 [pid 8571] <... futex resumed>) = 0 [pid 8571] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8574] mkdir("./bus", 000 [pid 8571] <... futex resumed>) = 0 [pid 5004] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8580] mkdir("./file1", 000) = 0 [pid 8580] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8579] <... futex resumed>) = 0 [pid 8580] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8579] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8579] <... futex resumed>) = 0 [pid 8580] mkdir("./bus", 000 [pid 8579] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8580] <... mkdir resumed>) = 0 [pid 8580] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8579] <... futex resumed>) = 0 [pid 8580] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8579] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8579] <... futex resumed>) = 0 [pid 8580] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 278.282601][ T8580] REISERFS (device loop2): checking transaction log (loop2) [ 278.292306][ T8580] REISERFS (device loop2): Using r5 hash to sort names [ 278.299465][ T8580] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 278.313174][ T8580] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8579] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8574] <... mkdir resumed>) = 0 [pid 8571] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8574] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8574] <... futex resumed>) = 1 [pid 8571] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 8574] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8571] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] fstat(3, [pid 8571] <... futex resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8571] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 278.337266][ T8580] overlayfs: upper fs needs to support d_type. [ 278.346379][ T8574] overlayfs: upper fs needs to support d_type. [ 278.350707][ T8580] overlayfs: upper fs does not support tmpfile. [ 278.363470][ T8580] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5004] umount2("./211/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8579] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8579] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8579] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8579] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8586], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8586 [pid 8579] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8579] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8571] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8571] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 8586 attached ) = 0x7fe580439000 [pid 8571] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8586] set_robust_list(0x7fe5804599e0, 24 [pid 8571] <... mprotect resumed>) = 0 [pid 8586] <... set_robust_list resumed>) = 0 [pid 8571] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8586] mkdir(".", 0777 [pid 8571] <... clone resumed>, parent_tid=[8587], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8587 [pid 8586] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8586] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8571] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8580] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8571] <... futex resumed>) = 0 [pid 8580] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8571] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 278.382609][ T8574] overlayfs: upper fs does not support tmpfile. [ 278.390339][ T8580] overlayfs: failed to resolve './file0': -2 [ 278.402830][ T8574] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8580] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8587 attached [pid 8587] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8587] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8587] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8586] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8585] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8586] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8579] <... futex resumed>) = 0 [pid 8579] exit_group(0 [pid 8580] <... futex resumed>) = ? [pid 8579] <... exit_group resumed>) = ? [pid 8580] +++ exited with 0 +++ [pid 8586] +++ exited with 0 +++ [pid 8579] +++ exited with 0 +++ [pid 5004] <... umount2 resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8579, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 8587] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8587] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8571] <... futex resumed>) = 0 [pid 8587] <... futex resumed>) = 1 [ 278.443687][ T8586] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 278.474119][ T8587] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] umount2("./211/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8587] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./211/bus", [pid 5005] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./211/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./211/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... openat resumed>) = 3 [pid 5004] <... openat resumed>) = 4 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] fstat(4, [pid 8585] <... write resumed>) = 4194304 [pid 8585] munmap(0x7fe58005a000, 4194304) = 0 [pid 8585] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8585] ioctl(4, LOOP_SET_FD, 3 [pid 5005] getdents64(3, [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] getdents64(4, [pid 5005] umount2("./213/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./211/bus" [pid 8585] <... ioctl resumed>) = 0 [pid 8574] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5004] <... rmdir resumed>) = 0 [pid 5004] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./211/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./211/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8574] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(3) = 0 [pid 5004] rmdir("./211" [pid 8574] <... futex resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 8574] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8571] exit_group(0 [pid 5004] mkdir("./212", 0777 [pid 8587] <... futex resumed>) = ? [pid 8574] <... futex resumed>) = ? [pid 8571] <... exit_group resumed>) = ? [pid 8587] +++ exited with 0 +++ [pid 5004] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 8574] +++ exited with 0 +++ [pid 8571] +++ exited with 0 +++ [pid 8585] close(3 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8571, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} --- [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8588 [pid 5007] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./212/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8588 attached [pid 8588] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8588] chdir("./212") = 0 [pid 8588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8588] setpgid(0, 0) = 0 [pid 8588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8588] write(3, "1000", 4) = 4 [pid 8588] close(3) = 0 [pid 8588] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8585] <... close resumed>) = 0 [pid 8588] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8585] mkdir("./bus", 0777 [pid 8588] <... futex resumed>) = 0 [pid 8588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8585] <... mkdir resumed>) = 0 [pid 8588] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8588] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8585] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8588] <... clone resumed>, parent_tid=[8589], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8589 [pid 8588] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 278.492156][ T8574] overlayfs: failed to resolve './file0': -2 [ 278.508376][ T8585] loop5: detected capacity change from 0 to 8192 [pid 8588] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8589 attached [pid 8589] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8589] memfd_create("syzkaller", 0) = 3 [pid 8589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 278.559366][ T8585] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 278.586348][ T8585] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 278.602907][ T8585] REISERFS (device loop5): using ordered data mode [pid 5007] <... umount2 resumed>) = 0 [ 278.609445][ T8585] reiserfs: using flush barriers [pid 5007] umount2("./212/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8589] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./212/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./212/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./212/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./212/bus") = 0 [pid 5007] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./212/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./212/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./212") = 0 [pid 5007] mkdir("./213", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 278.632156][ T8585] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5007] close(3 [pid 8589] <... write resumed>) = 4194304 [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8591 [pid 8589] munmap(0x7fe58005a000, 4194304) = 0 [pid 8589] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8589] ioctl(4, LOOP_SET_FD, 3) = 0 ./strace-static-x86_64: Process 8591 attached [pid 8589] close(3 [pid 5005] <... umount2 resumed>) = 0 [pid 8589] <... close resumed>) = 0 [pid 8589] mkdir("./bus", 0777 [pid 5005] umount2("./213/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./213/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8591] set_robust_list(0x5555568c85e0, 24 [pid 8589] <... mkdir resumed>) = 0 [pid 5005] umount2("./213/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./213/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 8591] <... set_robust_list resumed>) = 0 [pid 8589] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5005] rmdir("./213/bus") = 0 [pid 5005] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8591] chdir("./213" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./213/binderfs", [pid 8591] <... chdir resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 278.681725][ T8585] REISERFS (device loop5): checking transaction log (loop5) [ 278.693815][ T8589] loop1: detected capacity change from 0 to 8192 [ 278.701519][ T8585] REISERFS (device loop5): Using r5 hash to sort names [ 278.712298][ T8585] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5005] unlink("./213/binderfs" [pid 8591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... unlink resumed>) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./213") = 0 [pid 5005] mkdir("./214", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 8591] <... prctl resumed>) = 0 [pid 8585] <... mount resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8593 ./strace-static-x86_64: Process 8593 attached [pid 8593] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8593] chdir("./214") = 0 [pid 8593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8591] setpgid(0, 0 [pid 8585] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8593] setpgid(0, 0) = 0 [pid 8593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8593] write(3, "1000", 4) = 4 [pid 8593] close(3) = 0 [pid 8593] symlink("/dev/binderfs", "./binderfs" [pid 8591] <... setpgid resumed>) = 0 [pid 8585] <... openat resumed>) = 3 [pid 8591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8585] chdir("./bus" [pid 8591] <... openat resumed>) = 3 [pid 8585] <... chdir resumed>) = 0 [pid 8591] write(3, "1000", 4 [pid 8585] ioctl(4, LOOP_CLR_FD [pid 8591] <... write resumed>) = 4 [pid 8585] <... ioctl resumed>) = 0 [pid 8591] close(3 [pid 8585] close(4 [pid 8593] <... symlink resumed>) = 0 [pid 8591] <... close resumed>) = 0 [pid 8585] <... close resumed>) = 0 [pid 8585] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8583] <... futex resumed>) = 0 [pid 8591] symlink("/dev/binderfs", "./binderfs" [pid 8585] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8583] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8585] mkdir("./file1", 000 [pid 8583] <... futex resumed>) = 0 [pid 8591] <... symlink resumed>) = 0 [pid 8583] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8585] <... mkdir resumed>) = 0 [pid 8591] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8585] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8591] <... futex resumed>) = 0 [pid 8585] <... futex resumed>) = 1 [pid 8583] <... futex resumed>) = 0 [pid 8591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8585] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8583] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8591] <... mmap resumed>) = 0x7fe58845a000 [pid 8585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8583] <... futex resumed>) = 0 [ 278.732096][ T8585] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 278.742451][ T8589] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 278.756175][ T8589] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 278.766003][ T8589] REISERFS (device loop1): using ordered data mode [ 278.773156][ T8589] reiserfs: using flush barriers [pid 8593] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8593] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8593] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8594], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8594 [pid 8593] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8593] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8594 attached [pid 8594] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8594] memfd_create("syzkaller", 0) = 3 [pid 8594] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8585] mkdir("./bus", 000 [pid 8583] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8585] <... mkdir resumed>) = 0 [pid 8591] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8585] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8583] <... futex resumed>) = 0 [pid 8591] <... mprotect resumed>) = 0 [pid 8585] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8583] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8591] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8583] <... futex resumed>) = 0 [pid 8583] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8591] <... clone resumed>, parent_tid=[8595], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8595 [pid 8591] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8594] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 8595 attached [pid 8591] <... futex resumed>) = 0 [pid 8591] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8595] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8595] memfd_create("syzkaller", 0) = 3 [pid 8595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 278.783813][ T8589] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.804690][ T8585] overlayfs: upper fs needs to support d_type. [ 278.810910][ T8585] overlayfs: upper fs does not support tmpfile. [ 278.819573][ T8589] REISERFS (device loop1): checking transaction log (loop1) [pid 8583] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8583] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8583] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8583] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8596], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8596 [pid 8583] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8583] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8596 attached [pid 8596] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8596] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8596] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8594] <... write resumed>) = 4194304 [pid 8594] munmap(0x7fe58005a000, 4194304) = 0 [pid 8594] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 278.849750][ T8589] REISERFS (device loop1): Using r5 hash to sort names [ 278.858011][ T8585] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8594] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8594] close(3) = 0 [pid 8594] mkdir("./bus", 0777) = 0 [pid 8594] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8589] <... mount resumed>) = 0 [pid 8589] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8589] chdir("./bus") = 0 [pid 8589] ioctl(4, LOOP_CLR_FD) = 0 [ 278.890086][ T8589] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 278.890771][ T8594] loop2: detected capacity change from 0 to 8192 [ 278.912228][ T8596] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 278.915866][ T8589] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8589] close(4) = 0 [pid 8589] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8588] <... futex resumed>) = 0 [pid 8589] <... futex resumed>) = 1 [pid 8588] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8589] mkdir("./file1", 000 [pid 8588] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8589] <... mkdir resumed>) = 0 [pid 8589] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8588] <... futex resumed>) = 0 [pid 8588] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8589] <... futex resumed>) = 1 [pid 8588] <... futex resumed>) = 0 [pid 8588] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8589] mkdir("./bus", 000) = 0 [pid 8589] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8588] <... futex resumed>) = 0 [pid 8589] <... futex resumed>) = 1 [pid 8589] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8588] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8588] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 278.927594][ T8594] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 278.961795][ T8589] overlayfs: upper fs needs to support d_type. [ 278.976696][ T8589] overlayfs: upper fs does not support tmpfile. [pid 8595] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8596] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8595] <... write resumed>) = 4194304 [pid 8595] munmap(0x7fe58005a000, 4194304 [pid 8596] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8595] <... munmap resumed>) = 0 [pid 8595] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8595] ioctl(4, LOOP_SET_FD, 3 [pid 8596] <... futex resumed>) = 1 [pid 8588] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8583] <... futex resumed>) = 0 [pid 8595] <... ioctl resumed>) = 0 [pid 8595] close(3) = 0 [pid 8595] mkdir("./bus", 0777) = 0 [pid 8595] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8596] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8588] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8585] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8585] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 278.993452][ T8585] overlayfs: failed to resolve './file0': -2 [ 279.012072][ T8589] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 279.015733][ T8595] loop4: detected capacity change from 0 to 8192 [ 279.021442][ T8594] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 279.031514][ T8589] overlayfs: failed to resolve './file0': -2 [pid 8585] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8588] <... futex resumed>) = 0 [pid 8588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8583] exit_group(0 [pid 8588] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8596] <... futex resumed>) = ? [pid 8583] <... exit_group resumed>) = ? [pid 8596] +++ exited with 0 +++ [pid 8588] <... mprotect resumed>) = 0 [pid 8585] <... futex resumed>) = ? [pid 8588] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8585] +++ exited with 0 +++ [pid 8583] +++ exited with 0 +++ [pid 8588] <... clone resumed>, parent_tid=[8599], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8599 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8583, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 8588] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8588] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8588] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, ./strace-static-x86_64: Process 8599 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 279.037487][ T8594] REISERFS (device loop2): using ordered data mode [ 279.045152][ T8595] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 279.047628][ T8594] reiserfs: using flush barriers [ 279.071333][ T8595] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8599] set_robust_list(0x7fe5804599e0, 24 [pid 8589] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] getdents64(3, [pid 8599] <... set_robust_list resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8599] mkdir(".", 0777 [pid 5008] umount2("./215/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8599] <... mkdir resumed>) = -1 EEXIST (File exists) [ 279.072074][ T8594] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 279.080701][ T8595] REISERFS (device loop4): using ordered data mode [ 279.097331][ T8594] REISERFS (device loop2): checking transaction log (loop2) [ 279.110791][ T8595] reiserfs: using flush barriers [ 279.117807][ T8595] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8599] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8589] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8589] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8599] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 279.122913][ T8599] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 279.134378][ T8595] REISERFS (device loop4): checking transaction log (loop4) [ 279.157298][ T8594] REISERFS (device loop2): Using r5 hash to sort names [ 279.157413][ T8595] REISERFS (device loop4): Using r5 hash to sort names [ 279.169605][ T8594] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8599] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8588] <... futex resumed>) = 0 [pid 8594] <... mount resumed>) = 0 [pid 8594] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8594] chdir("./bus") = 0 [pid 8594] ioctl(4, LOOP_CLR_FD) = 0 [pid 8594] close(4 [pid 8599] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8595] <... mount resumed>) = 0 [pid 8594] <... close resumed>) = 0 [pid 8588] exit_group(0) = ? [pid 8599] <... futex resumed>) = ? [pid 8595] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8599] +++ exited with 0 +++ [pid 8594] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8589] <... futex resumed>) = ? [pid 8595] <... openat resumed>) = 3 [pid 8594] <... futex resumed>) = 1 [pid 8593] <... futex resumed>) = 0 [pid 8595] chdir("./bus" [pid 8594] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8593] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8595] <... chdir resumed>) = 0 [pid 8594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8593] <... futex resumed>) = 0 [pid 8595] ioctl(4, LOOP_CLR_FD [pid 8594] mkdir("./file1", 000 [pid 8593] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8595] <... ioctl resumed>) = 0 [pid 8595] close(4 [pid 8594] <... mkdir resumed>) = 0 [pid 8589] +++ exited with 0 +++ [pid 8588] +++ exited with 0 +++ [pid 8595] <... close resumed>) = 0 [pid 8595] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8594] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8588, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 8595] <... futex resumed>) = 1 [pid 8594] <... futex resumed>) = 1 [pid 8593] <... futex resumed>) = 0 [pid 8595] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8594] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8593] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8593] <... futex resumed>) = 0 [pid 8594] mkdir("./bus", 000 [pid 8593] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8594] <... mkdir resumed>) = 0 [pid 8591] <... futex resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8594] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8591] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8595] <... futex resumed>) = 0 [pid 8594] <... futex resumed>) = 1 [pid 8593] <... futex resumed>) = 0 [pid 8591] <... futex resumed>) = 1 [pid 5004] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8595] mkdir("./file1", 000 [pid 8594] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8593] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8591] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8595] <... mkdir resumed>) = 0 [pid 8594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8593] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 8595] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8594] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8593] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8595] <... futex resumed>) = 1 [pid 8591] <... futex resumed>) = 0 [pid 5004] fstat(3, [ 279.171530][ T8595] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 279.186201][ T8594] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 279.197173][ T8595] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8595] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8591] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8591] <... futex resumed>) = 0 [pid 8595] mkdir("./bus", 000 [pid 8591] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8595] <... mkdir resumed>) = 0 [pid 8595] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8591] <... futex resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8595] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8591] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8591] <... futex resumed>) = 0 [pid 8595] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8591] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./212/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./215/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8593] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8593] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8593] <... futex resumed>) = 0 [pid 8593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] lstat("./215/bus", [pid 8593] <... mmap resumed>) = 0x7fe580439000 [pid 8593] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8593] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] umount2("./215/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8593] <... clone resumed>, parent_tid=[8600], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8600 [pid 5008] openat(AT_FDCWD, "./215/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8593] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] <... openat resumed>) = 4 [pid 8593] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 ./strace-static-x86_64: Process 8600 attached [pid 5008] rmdir("./215/bus" [pid 8600] set_robust_list(0x7fe5804599e0, 24 [pid 5008] <... rmdir resumed>) = 0 [pid 8600] <... set_robust_list resumed>) = 0 [pid 5008] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8600] mkdir(".", 0777 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8600] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] lstat("./215/binderfs", [pid 8600] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./215/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./215") = 0 [pid 5008] mkdir("./216", 0777) = 0 [pid 8591] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8591] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] <... openat resumed>) = 3 [ 279.249421][ T8594] overlayfs: upper fs needs to support d_type. [ 279.264947][ T8595] overlayfs: upper fs needs to support d_type. [ 279.273360][ T8594] overlayfs: upper fs does not support tmpfile. [ 279.275370][ T8595] overlayfs: upper fs does not support tmpfile. [ 279.282027][ T8594] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 8591] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8591] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8601], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8601 [pid 8591] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8591] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8601 attached [pid 8601] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8601] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8601] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 8600] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8594] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... close resumed>) = 0 [pid 8600] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8594] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8600] <... futex resumed>) = 1 [pid 8594] <... futex resumed>) = 0 [pid 8593] <... futex resumed>) = 0 [pid 8594] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8600] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8593] exit_group(0 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8602 [pid 8600] <... futex resumed>) = ? [pid 8594] <... futex resumed>) = ? [pid 8593] <... exit_group resumed>) = ? [pid 8600] +++ exited with 0 +++ [pid 8594] +++ exited with 0 +++ [pid 8593] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8593, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5005] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 279.323296][ T8600] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 279.332711][ T8595] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 279.342769][ T8594] overlayfs: failed to resolve './file0': -2 [ 279.354987][ T8601] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8602 attached [pid 8602] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8602] chdir("./216") = 0 [pid 8602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8602] setpgid(0, 0) = 0 [pid 8602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] umount2("./214/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./212/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8601] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./212/bus", [pid 8601] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8591] <... futex resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./212/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8602] <... openat resumed>) = 3 [pid 8602] write(3, "1000", 4) = 4 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./212/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8602] close(3 [pid 8601] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] fstat(4, [pid 8602] <... close resumed>) = 0 [pid 8602] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8602] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, [pid 8595] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8595] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(4 [pid 8595] <... futex resumed>) = 0 [pid 8595] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./212/bus" [pid 8591] exit_group(0 [pid 8602] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8591] <... exit_group resumed>) = ? [pid 8602] <... mprotect resumed>) = 0 [pid 8601] <... futex resumed>) = ? [pid 8595] <... futex resumed>) = ? [pid 5004] <... rmdir resumed>) = 0 [pid 8602] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8601] +++ exited with 0 +++ [pid 8602] <... clone resumed>, parent_tid=[8603], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8603 [pid 8602] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8602] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8595] +++ exited with 0 +++ [pid 8591] +++ exited with 0 +++ [pid 5004] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8591, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5004] lstat("./212/binderfs", [pid 5007] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] unlink("./212/binderfs" [pid 5007] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8603 attached [pid 5004] <... unlink resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 8603] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] fstat(3, [pid 5004] getdents64(3, [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] close(3 [pid 5007] umount2("./213/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./212") = 0 [pid 8603] <... set_robust_list resumed>) = 0 [pid 8603] memfd_create("syzkaller", 0 [pid 5004] mkdir("./213", 0777 [pid 8603] <... memfd_create resumed>) = 3 [pid 8603] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 8603] <... mmap resumed>) = 0x7fe58005a000 [ 279.398099][ T8595] overlayfs: failed to resolve './file0': -2 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8604 ./strace-static-x86_64: Process 8604 attached [pid 8604] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8604] chdir("./213") = 0 [pid 8604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8604] setpgid(0, 0) = 0 [pid 8604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8604] write(3, "1000", 4) = 4 [pid 8604] close(3) = 0 [pid 8604] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8604] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8604] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8604] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8605], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8605 [pid 8604] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8604] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8605 attached [pid 8605] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8605] memfd_create("syzkaller", 0) = 3 [pid 8605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./214/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./214/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./214/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./214/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./214/bus") = 0 [pid 5005] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./214/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./214/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./214") = 0 [pid 5005] mkdir("./215", 0777 [pid 8603] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... umount2 resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5007] umount2("./213/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... openat resumed>) = 3 [pid 5007] lstat("./213/bus", [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] umount2("./213/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... close resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./213/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... openat resumed>) = 4 [pid 5007] fstat(4, [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8606 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./213/bus"./strace-static-x86_64: Process 8606 attached ) = 0 [pid 5007] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8606] set_robust_list(0x5555568c85e0, 24 [pid 5007] lstat("./213/binderfs", [pid 8606] <... set_robust_list resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./213/binderfs") = 0 [pid 8606] chdir("./215" [pid 5007] getdents64(3, [pid 8606] <... chdir resumed>) = 0 [pid 8605] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] close(3 [pid 8606] <... prctl resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 8606] setpgid(0, 0 [pid 5007] rmdir("./213" [pid 8606] <... setpgid resumed>) = 0 [pid 8606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... rmdir resumed>) = 0 [pid 8606] <... openat resumed>) = 3 [pid 5007] mkdir("./214", 0777 [pid 8606] write(3, "1000", 4) = 4 [pid 8606] close(3 [pid 5007] <... mkdir resumed>) = 0 [pid 8606] <... close resumed>) = 0 [pid 8606] symlink("/dev/binderfs", "./binderfs" [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8606] <... symlink resumed>) = 0 [pid 8606] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... openat resumed>) = 3 [pid 8606] <... futex resumed>) = 0 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 8606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8606] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] close(3 [pid 8606] <... mprotect resumed>) = 0 [pid 8606] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... close resumed>) = 0 [pid 8606] <... clone resumed>, parent_tid=[8607], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8607 [pid 8606] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8606] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8608 ./strace-static-x86_64: Process 8608 attached [pid 8608] set_robust_list(0x5555568c85e0, 24) = 0 ./strace-static-x86_64: Process 8607 attached [pid 8607] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8608] chdir("./214" [pid 8607] memfd_create("syzkaller", 0 [pid 8608] <... chdir resumed>) = 0 [pid 8608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8608] setpgid(0, 0) = 0 [pid 8608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8607] <... memfd_create resumed>) = 3 [pid 8607] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8608] <... openat resumed>) = 3 [pid 8608] write(3, "1000", 4) = 4 [pid 8608] close(3) = 0 [pid 8608] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8608] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8608] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8608] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8603] <... write resumed>) = 4194304 [pid 8608] <... clone resumed>, parent_tid=[8609], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8609 [pid 8608] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8603] munmap(0x7fe58005a000, 4194304 [pid 8608] <... futex resumed>) = 0 [pid 8608] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8609 attached [pid 8609] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8603] <... munmap resumed>) = 0 [pid 8603] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8609] memfd_create("syzkaller", 0 [pid 8603] ioctl(4, LOOP_SET_FD, 3 [pid 8609] <... memfd_create resumed>) = 3 [pid 8609] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8603] <... ioctl resumed>) = 0 [pid 8603] close(3) = 0 [pid 8603] mkdir("./bus", 0777) = 0 [pid 8603] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8605] <... write resumed>) = 4194304 [pid 8605] munmap(0x7fe58005a000, 4194304) = 0 [pid 8605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 279.657069][ T8603] loop5: detected capacity change from 0 to 8192 [ 279.680470][ T8603] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8607] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8605] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8605] close(3) = 0 [pid 8605] mkdir("./bus", 0777) = 0 [pid 8605] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 279.701761][ T8603] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 279.711482][ T8603] REISERFS (device loop5): using ordered data mode [ 279.712495][ T8605] loop1: detected capacity change from 0 to 8192 [ 279.721341][ T8603] reiserfs: using flush barriers [ 279.741242][ T8605] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8609] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8607] <... write resumed>) = 4194304 [pid 8607] munmap(0x7fe58005a000, 4194304) = 0 [pid 8607] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8607] ioctl(4, LOOP_SET_FD, 3 [ 279.760630][ T8603] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 279.794202][ T8607] loop2: detected capacity change from 0 to 8192 [ 279.801478][ T8605] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8609] <... write resumed>) = 4194304 [pid 8609] munmap(0x7fe58005a000, 4194304) = 0 [pid 8609] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8609] ioctl(4, LOOP_SET_FD, 3 [pid 8607] <... ioctl resumed>) = 0 [pid 8609] <... ioctl resumed>) = 0 [pid 8609] close(3) = 0 [pid 8609] mkdir("./bus", 0777) = 0 [pid 8609] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8607] close(3) = 0 [pid 8607] mkdir("./bus", 0777) = 0 [ 279.811534][ T8603] REISERFS (device loop5): checking transaction log (loop5) [ 279.818055][ T8609] loop4: detected capacity change from 0 to 8192 [ 279.819730][ T8605] REISERFS (device loop1): using ordered data mode [ 279.831621][ T8603] REISERFS (device loop5): Using r5 hash to sort names [ 279.832888][ T8605] reiserfs: using flush barriers [ 279.839928][ T8603] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8607] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8603] <... mount resumed>) = 0 [pid 8603] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8603] chdir("./bus") = 0 [pid 8603] ioctl(4, LOOP_CLR_FD) = 0 [ 279.859233][ T8603] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 279.861597][ T8605] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 279.869429][ T8609] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 279.885767][ T8605] REISERFS (device loop1): checking transaction log (loop1) [pid 8603] close(4) = 0 [pid 8603] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8602] <... futex resumed>) = 0 [pid 8602] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8602] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8603] <... futex resumed>) = 1 [pid 8603] mkdir("./file1", 000) = 0 [pid 8603] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8602] <... futex resumed>) = 0 [pid 8602] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8602] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8603] <... futex resumed>) = 1 [pid 8603] mkdir("./bus", 000) = 0 [pid 8603] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8602] <... futex resumed>) = 0 [pid 8602] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8602] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8603] <... futex resumed>) = 1 [ 279.906627][ T8607] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 279.907155][ T8605] REISERFS (device loop1): Using r5 hash to sort names [ 279.927425][ T8605] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 279.936512][ T8607] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 279.951658][ T8609] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 279.959271][ T8603] overlayfs: upper fs needs to support d_type. [ 279.961559][ T8609] REISERFS (device loop4): using ordered data mode [ 279.973534][ T8609] reiserfs: using flush barriers [ 279.979663][ T8605] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 279.988977][ T8609] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 279.996882][ T8603] overlayfs: upper fs does not support tmpfile. [pid 8603] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8605] <... mount resumed>) = 0 [pid 8602] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8602] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8602] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8602] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8614], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8614 [pid 8602] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8602] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8614 attached [pid 8614] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8614] mkdir(".", 0777 [pid 8605] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8614] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8614] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8605] <... openat resumed>) = 3 [ 280.006427][ T8609] REISERFS (device loop4): checking transaction log (loop4) [ 280.019754][ T8607] REISERFS (device loop2): using ordered data mode [ 280.027240][ T8607] reiserfs: using flush barriers [ 280.031688][ T8614] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 280.034343][ T8609] REISERFS (device loop4): Using r5 hash to sort names [pid 8605] chdir("./bus") = 0 [pid 8605] ioctl(4, LOOP_CLR_FD) = 0 [pid 8605] close(4) = 0 [pid 8605] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8609] <... mount resumed>) = 0 [pid 8605] <... futex resumed>) = 1 [pid 8604] <... futex resumed>) = 0 [pid 8605] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 280.047211][ T8607] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 280.053965][ T8609] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 280.054051][ T8609] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 280.092838][ T8603] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 280.103306][ T8603] overlayfs: failed to resolve './file0': -2 [pid 8604] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8614] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8609] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8604] <... futex resumed>) = 0 [pid 8614] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8605] mkdir("./file1", 000 [pid 8604] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8614] <... futex resumed>) = 1 [pid 8605] <... mkdir resumed>) = 0 [pid 8602] <... futex resumed>) = 0 [pid 8614] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8605] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8609] <... openat resumed>) = 3 [pid 8605] <... futex resumed>) = 1 [pid 8604] <... futex resumed>) = 0 [pid 8603] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8605] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8604] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8604] <... futex resumed>) = 0 [pid 8605] mkdir("./bus", 000 [pid 8604] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8609] chdir("./bus" [pid 8605] <... mkdir resumed>) = 0 [pid 8609] <... chdir resumed>) = 0 [pid 8605] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8609] ioctl(4, LOOP_CLR_FD [pid 8605] <... futex resumed>) = 1 [pid 8604] <... futex resumed>) = 0 [pid 8609] <... ioctl resumed>) = 0 [pid 8605] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8604] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8609] close(4 [pid 8605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8604] <... futex resumed>) = 0 [pid 8609] <... close resumed>) = 0 [pid 8605] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8604] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8609] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8603] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8609] <... futex resumed>) = 1 [pid 8608] <... futex resumed>) = 0 [pid 8607] <... mount resumed>) = 0 [pid 8603] <... futex resumed>) = 0 [pid 8602] exit_group(0 [pid 8614] <... futex resumed>) = ? [pid 8609] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8602] <... exit_group resumed>) = ? [ 280.109892][ T8607] REISERFS (device loop2): checking transaction log (loop2) [ 280.118319][ T8607] REISERFS (device loop2): Using r5 hash to sort names [ 280.126347][ T8607] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 280.141051][ T8605] overlayfs: upper fs needs to support d_type. [ 280.151682][ T8607] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8614] +++ exited with 0 +++ [pid 8608] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8607] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8609] <... futex resumed>) = 0 [pid 8608] <... futex resumed>) = 1 [pid 8607] <... openat resumed>) = 3 [pid 8603] +++ exited with 0 +++ [pid 8602] +++ exited with 0 +++ [pid 8609] mkdir("./file1", 000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8602, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8609] <... mkdir resumed>) = 0 [pid 8609] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8609] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8608] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8607] chdir("./bus" [pid 5008] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8607] <... chdir resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./216/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8608] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8607] ioctl(4, LOOP_CLR_FD [pid 8609] <... futex resumed>) = 0 [pid 8608] <... futex resumed>) = 1 [pid 8607] <... ioctl resumed>) = 0 [pid 8605] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8609] mkdir("./bus", 000 [pid 8608] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8607] close(4 [pid 8605] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8609] <... mkdir resumed>) = 0 [pid 8607] <... close resumed>) = 0 [pid 8605] <... futex resumed>) = 1 [pid 8604] <... futex resumed>) = 0 [pid 8609] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8607] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8605] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8604] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8609] <... futex resumed>) = 1 [pid 8608] <... futex resumed>) = 0 [pid 8607] <... futex resumed>) = 1 [pid 8606] <... futex resumed>) = 0 [pid 8605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8604] <... futex resumed>) = 0 [pid 8609] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8608] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8607] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8606] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8605] mkdir(".", 0777 [pid 8604] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8608] <... futex resumed>) = 0 [pid 8607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8606] <... futex resumed>) = 0 [pid 8605] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8609] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 280.161269][ T8605] overlayfs: upper fs does not support tmpfile. [ 280.170223][ T8605] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 280.178981][ T8605] overlayfs: failed to resolve './file0': -2 [pid 8608] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8607] mkdir("./file1", 000 [pid 8606] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8605] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8607] <... mkdir resumed>) = 0 [pid 8607] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8606] <... futex resumed>) = 0 [pid 8607] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8606] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8606] <... futex resumed>) = 0 [pid 8607] mkdir("./bus", 000 [pid 8606] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8607] <... mkdir resumed>) = 0 [pid 8607] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8606] <... futex resumed>) = 0 [ 280.206707][ T8609] overlayfs: upper fs needs to support d_type. [ 280.214753][ T8609] overlayfs: upper fs does not support tmpfile. [ 280.222013][ T8609] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 280.232809][ T8609] overlayfs: failed to resolve './file0': -2 [pid 8607] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8606] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8609] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8608] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8606] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8605] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8609] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8608] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8607] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8609] <... futex resumed>) = 0 [pid 8608] <... futex resumed>) = 0 [pid 8605] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8609] mkdir(".", 0777 [pid 8608] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8605] <... futex resumed>) = 1 [pid 8604] <... futex resumed>) = 0 [pid 8609] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8609] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8605] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8604] exit_group(0 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./216/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8605] <... futex resumed>) = ? [pid 8604] <... exit_group resumed>) = ? [pid 8605] +++ exited with 0 +++ [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./216/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8604] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8604, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5008] umount2("./216/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./216/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 4 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(4, [pid 5004] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5008] getdents64(4, [pid 5004] fstat(3, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 5004] getdents64(3, [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] close(4 [ 280.242948][ T8605] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 280.269227][ T8607] overlayfs: upper fs needs to support d_type. [ 280.276514][ T8607] overlayfs: upper fs does not support tmpfile. [ 280.283713][ T8607] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 280.295600][ T8607] overlayfs: failed to resolve './file0': -2 [pid 5004] umount2("./213/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./216/bus") = 0 [pid 5008] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./216/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./216/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./216") = 0 [pid 5008] mkdir("./217", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8606] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] close(3 [pid 8606] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8615 ./strace-static-x86_64: Process 8615 attached [pid 8615] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8609] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8607] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8606] <... futex resumed>) = 0 [pid 8615] chdir("./217" [pid 8607] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8615] <... chdir resumed>) = 0 [pid 8607] <... futex resumed>) = 0 [pid 8615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8607] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8606] <... mmap resumed>) = 0x7fe580439000 [pid 8615] <... prctl resumed>) = 0 [pid 8606] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8615] setpgid(0, 0 [pid 8606] <... mprotect resumed>) = 0 [pid 8615] <... setpgid resumed>) = 0 [pid 8606] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8609] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8615] <... openat resumed>) = 3 [pid 8606] <... clone resumed>, parent_tid=[8616], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8616 [pid 8615] write(3, "1000", 4 [pid 8606] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8615] <... write resumed>) = 4 [pid 8606] <... futex resumed>) = 0 [pid 8615] close(3 [pid 8606] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8615] <... close resumed>) = 0 [pid 8615] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8615] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8616 attached [pid 8615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8616] set_robust_list(0x7fe5804599e0, 24 [pid 8615] <... mmap resumed>) = 0x7fe58845a000 [pid 8616] <... set_robust_list resumed>) = 0 [pid 8615] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8616] mkdir(".", 0777 [pid 8615] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8616] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8616] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8615] <... clone resumed>, parent_tid=[8617], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8617 [pid 8615] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8615] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8609] <... futex resumed>) = 1 [pid 8608] <... futex resumed>) = 0 [pid 8609] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 280.304704][ T8609] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8608] exit_group(0 [pid 8609] <... futex resumed>) = ? [pid 8608] <... exit_group resumed>) = ? [pid 8609] +++ exited with 0 +++ [pid 8608] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8608, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 ./strace-static-x86_64: Process 8617 attached [pid 5007] umount2("./214/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8617] set_robust_list(0x7fe58847a9e0, 24 [pid 8616] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = 0 [pid 8617] <... set_robust_list resumed>) = 0 [pid 8616] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./213/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8617] memfd_create("syzkaller", 0 [pid 8616] <... futex resumed>) = 1 [pid 8606] <... futex resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8617] <... memfd_create resumed>) = 3 [pid 8616] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8606] exit_group(0 [pid 5004] lstat("./213/bus", [pid 8617] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8616] <... futex resumed>) = ? [pid 8607] <... futex resumed>) = ? [pid 8606] <... exit_group resumed>) = ? [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8617] <... mmap resumed>) = 0x7fe58005a000 [pid 8616] +++ exited with 0 +++ [pid 8607] +++ exited with 0 +++ [pid 8606] +++ exited with 0 +++ [pid 5004] umount2("./213/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./213/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8606, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5004] <... openat resumed>) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, [pid 5005] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] rmdir("./213/bus" [pid 5005] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... rmdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5004] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(3, [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] lstat("./213/binderfs", [pid 5005] getdents64(3, [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] unlink("./213/binderfs" [pid 5005] umount2("./215/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... unlink resumed>) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [ 280.361842][ T8616] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5004] rmdir("./213") = 0 [pid 5004] mkdir("./214", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8618 ./strace-static-x86_64: Process 8618 attached [pid 8618] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8618] chdir("./214") = 0 [pid 8618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8618] setpgid(0, 0) = 0 [pid 8618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8618] write(3, "1000", 4) = 4 [pid 8618] close(3) = 0 [pid 8618] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8618] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8618] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8618] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8619], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8619 [pid 8618] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8618] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8619 attached [pid 8619] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8619] memfd_create("syzkaller", 0) = 3 [pid 8619] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8617] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./214/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./214/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./214/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./214/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./214/bus") = 0 [pid 5007] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./214/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./214/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5007] close(3 [pid 5005] umount2("./215/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... close resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] rmdir("./214" [pid 5005] lstat("./215/bus", [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] mkdir("./215", 0777 [pid 5005] umount2("./215/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... mkdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5005] openat(AT_FDCWD, "./215/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... openat resumed>) = 3 [pid 5005] <... openat resumed>) = 4 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5005] fstat(4, [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] close(3 [pid 5005] getdents64(4, [pid 5007] <... close resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8620 [pid 5005] close(4) = 0 [pid 5005] rmdir("./215/bus") = 0 [pid 5005] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8620 attached [pid 5005] lstat("./215/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8620] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5005] unlink("./215/binderfs") = 0 [pid 8620] chdir("./215" [pid 5005] getdents64(3, [pid 8620] <... chdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] close(3 [pid 8620] setpgid(0, 0 [pid 8619] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5005] <... close resumed>) = 0 [pid 8620] <... setpgid resumed>) = 0 [pid 5005] rmdir("./215" [pid 8620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... rmdir resumed>) = 0 [pid 8620] <... openat resumed>) = 3 [pid 5005] mkdir("./216", 0777 [pid 8620] write(3, "1000", 4 [pid 5005] <... mkdir resumed>) = 0 [pid 8620] <... write resumed>) = 4 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8620] close(3 [pid 5005] <... openat resumed>) = 3 [pid 8620] <... close resumed>) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 8620] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8620] <... symlink resumed>) = 0 [pid 5005] close(3 [pid 8620] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... close resumed>) = 0 [pid 8620] <... futex resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8621 [pid 8620] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8620] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8622], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8622 [pid 8620] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8620] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8622 attached ./strace-static-x86_64: Process 8621 attached [pid 8617] <... write resumed>) = 4194304 [pid 8622] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8621] set_robust_list(0x5555568c85e0, 24 [pid 8622] memfd_create("syzkaller", 0 [pid 8621] <... set_robust_list resumed>) = 0 [pid 8621] chdir("./216" [pid 8622] <... memfd_create resumed>) = 3 [pid 8617] munmap(0x7fe58005a000, 4194304 [pid 8622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8621] <... chdir resumed>) = 0 [pid 8621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8622] <... mmap resumed>) = 0x7fe58005a000 [pid 8621] <... prctl resumed>) = 0 [pid 8621] setpgid(0, 0) = 0 [pid 8621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8621] write(3, "1000", 4) = 4 [pid 8621] close(3) = 0 [pid 8621] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8621] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8621] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8621] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8623], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8623 [pid 8621] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8621] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8617] <... munmap resumed>) = 0 [pid 8617] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8617] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 8623 attached [pid 8623] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8623] memfd_create("syzkaller", 0) = 3 [pid 8623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8617] <... ioctl resumed>) = 0 [pid 8617] close(3) = 0 [pid 8617] mkdir("./bus", 0777) = 0 [pid 8617] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8619] <... write resumed>) = 4194304 [pid 8619] munmap(0x7fe58005a000, 4194304) = 0 [pid 8619] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 280.604070][ T8617] loop5: detected capacity change from 0 to 8192 [ 280.628377][ T8617] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 280.645352][ T8619] loop1: detected capacity change from 0 to 8192 [pid 8619] ioctl(4, LOOP_SET_FD, 3 [pid 8622] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8619] <... ioctl resumed>) = 0 [pid 8619] close(3) = 0 [pid 8619] mkdir("./bus", 0777) = 0 [pid 8619] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8622] <... write resumed>) = 4194304 [ 280.650276][ T8617] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 280.663580][ T8617] REISERFS (device loop5): using ordered data mode [ 280.678335][ T8617] reiserfs: using flush barriers [ 280.684648][ T8619] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8622] munmap(0x7fe58005a000, 4194304) = 0 [pid 8622] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 280.701219][ T8619] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 280.705160][ T8622] loop4: detected capacity change from 0 to 8192 [ 280.710772][ T8619] REISERFS (device loop1): using ordered data mode [ 280.723456][ T8619] reiserfs: using flush barriers [ 280.723962][ T8617] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8622] ioctl(4, LOOP_SET_FD, 3 [pid 8623] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8622] <... ioctl resumed>) = 0 [pid 8622] close(3) = 0 [pid 8622] mkdir("./bus", 0777) = 0 [ 280.729476][ T8619] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 280.761428][ T8619] REISERFS (device loop1): checking transaction log (loop1) [ 280.770084][ T8619] REISERFS (device loop1): Using r5 hash to sort names [ 280.777558][ T8622] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 280.777690][ T8619] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 280.803182][ T8617] REISERFS (device loop5): checking transaction log (loop5) [ 280.810685][ T8622] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 280.820261][ T8622] REISERFS (device loop4): using ordered data mode [ 280.826997][ T8619] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 280.827124][ T8617] REISERFS (device loop5): Using r5 hash to sort names [ 280.836329][ T8622] reiserfs: using flush barriers [pid 8622] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8623] <... write resumed>) = 4194304 [pid 8619] <... mount resumed>) = 0 [pid 8623] munmap(0x7fe58005a000, 4194304 [pid 8619] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8617] <... mount resumed>) = 0 [pid 8617] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8617] chdir("./bus") = 0 [pid 8617] ioctl(4, LOOP_CLR_FD) = 0 [pid 8617] close(4) = 0 [pid 8617] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8617] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8619] <... openat resumed>) = 3 [pid 8619] chdir("./bus") = 0 [pid 8619] ioctl(4, LOOP_CLR_FD) = 0 [pid 8619] close(4) = 0 [pid 8623] <... munmap resumed>) = 0 [pid 8619] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8619] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8615] <... futex resumed>) = 0 [pid 8615] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8615] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8617] <... futex resumed>) = 0 [pid 8617] mkdir("./file1", 000) = 0 [pid 8617] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8615] <... futex resumed>) = 0 [pid 8615] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8615] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8617] <... futex resumed>) = 1 [ 280.843413][ T8617] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 280.853384][ T8622] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 280.861090][ T8617] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 280.877572][ T8622] REISERFS (device loop4): checking transaction log (loop4) [pid 8617] mkdir("./bus", 000 [pid 8623] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8618] <... futex resumed>) = 0 [pid 8623] <... openat resumed>) = 4 [pid 8618] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8617] <... mkdir resumed>) = 0 [pid 8617] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8615] <... futex resumed>) = 0 [pid 8617] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8615] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8618] <... futex resumed>) = 1 [pid 8623] ioctl(4, LOOP_SET_FD, 3 [pid 8619] <... futex resumed>) = 0 [pid 8618] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8615] <... futex resumed>) = 0 [pid 8619] mkdir("./file1", 000 [pid 8615] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8619] <... mkdir resumed>) = 0 [pid 8619] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8619] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8623] <... ioctl resumed>) = 0 [pid 8618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8623] close(3 [pid 8618] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8623] <... close resumed>) = 0 [pid 8618] <... futex resumed>) = 1 [pid 8623] mkdir("./bus", 0777 [pid 8618] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8623] <... mkdir resumed>) = 0 [ 280.899442][ T8622] REISERFS (device loop4): Using r5 hash to sort names [ 280.906995][ T8622] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 280.926776][ T8623] loop2: detected capacity change from 0 to 8192 [ 280.929462][ T8622] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 280.943016][ T8617] overlayfs: upper fs needs to support d_type. [pid 8623] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8622] <... mount resumed>) = 0 [pid 8619] <... futex resumed>) = 0 [pid 8622] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8619] mkdir("./bus", 000 [pid 8615] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8622] <... openat resumed>) = 3 [pid 8619] <... mkdir resumed>) = 0 [pid 8618] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8615] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8619] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8618] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8615] <... futex resumed>) = 0 [pid 8619] <... futex resumed>) = 0 [pid 8618] <... futex resumed>) = 0 [pid 8615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8619] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8618] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8615] <... mmap resumed>) = 0x7fe580439000 [pid 8622] chdir("./bus" [ 280.948617][ T8623] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 280.949617][ T8617] overlayfs: upper fs does not support tmpfile. [ 280.964430][ T8623] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 280.971086][ T8617] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 280.979646][ T8623] REISERFS (device loop2): using ordered data mode [ 280.986288][ T8617] overlayfs: failed to resolve './file0': -2 [ 280.993239][ T8623] reiserfs: using flush barriers [pid 8615] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8615] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8628], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8628 [pid 8615] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8622] <... chdir resumed>) = 0 [pid 8615] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8622] ioctl(4, LOOP_CLR_FD) = 0 [pid 8622] close(4) = 0 [pid 8622] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8620] <... futex resumed>) = 0 [pid 8622] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8620] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8620] <... futex resumed>) = 0 [pid 8622] mkdir("./file1", 000 [pid 8620] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8628 attached [pid 8622] <... mkdir resumed>) = 0 [pid 8628] set_robust_list(0x7fe5804599e0, 24 [pid 8622] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8628] <... set_robust_list resumed>) = 0 [pid 8622] <... futex resumed>) = 1 [pid 8620] <... futex resumed>) = 0 [pid 8628] mkdir(".", 0777 [pid 8622] mkdir("./bus", 000 [ 281.003841][ T8619] overlayfs: upper fs needs to support d_type. [ 281.010050][ T8619] overlayfs: upper fs does not support tmpfile. [ 281.016496][ T8623] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 281.033064][ T8623] REISERFS (device loop2): checking transaction log (loop2) [pid 8620] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8628] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8622] <... mkdir resumed>) = 0 [pid 8620] <... futex resumed>) = 0 [pid 8628] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8622] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8620] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8618] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8617] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8622] <... futex resumed>) = 0 [pid 8620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8618] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8617] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8622] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8620] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8618] <... futex resumed>) = 0 [pid 8617] <... futex resumed>) = 0 [pid 8623] <... mount resumed>) = 0 [pid 8622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8620] <... futex resumed>) = 0 [pid 8618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 281.053087][ T8623] REISERFS (device loop2): Using r5 hash to sort names [ 281.060134][ T8623] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 281.072932][ T8623] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 281.078902][ T8628] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 281.082783][ T8619] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8617] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8622] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8620] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8618] <... mmap resumed>) = 0x7fe580439000 [pid 8623] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8618] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8623] <... openat resumed>) = 3 [pid 8619] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8618] <... mprotect resumed>) = 0 [pid 8628] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8623] chdir("./bus" [pid 8619] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8618] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8629], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8629 [pid 8618] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8618] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8629 attached [pid 8629] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8628] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8623] <... chdir resumed>) = 0 [pid 8619] <... futex resumed>) = 0 [pid 8628] <... futex resumed>) = 1 [pid 8623] ioctl(4, LOOP_CLR_FD [pid 8619] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8615] <... futex resumed>) = 0 [pid 8615] exit_group(0 [pid 8629] mkdir(".", 0777 [pid 8617] <... futex resumed>) = ? [pid 8615] <... exit_group resumed>) = ? [pid 8629] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8617] +++ exited with 0 +++ [pid 8629] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8623] <... ioctl resumed>) = 0 [pid 8628] +++ exited with 0 +++ [pid 8623] close(4 [pid 8615] +++ exited with 0 +++ [pid 8623] <... close resumed>) = 0 [pid 8623] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8621] <... futex resumed>) = 0 [pid 8623] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8621] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8621] <... futex resumed>) = 0 [pid 8623] mkdir("./file1", 000 [pid 8621] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8623] <... mkdir resumed>) = 0 [pid 8623] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8621] <... futex resumed>) = 0 [pid 8623] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8621] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8621] <... futex resumed>) = 0 [pid 8623] mkdir("./bus", 000 [pid 8621] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8623] <... mkdir resumed>) = 0 [pid 8623] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8621] <... futex resumed>) = 0 [pid 8623] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8621] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8621] <... futex resumed>) = 0 [pid 8623] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8621] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8615, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [ 281.100735][ T8622] overlayfs: upper fs needs to support d_type. [ 281.104980][ T8619] overlayfs: failed to resolve './file0': -2 [ 281.109808][ T8622] overlayfs: upper fs does not support tmpfile. [ 281.126280][ T8622] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 281.134994][ T8622] overlayfs: failed to resolve './file0': -2 [pid 8629] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8622] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8629] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8622] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8629] <... futex resumed>) = 1 [pid 8622] <... futex resumed>) = 1 [pid 8620] <... futex resumed>) = 0 [pid 8618] <... futex resumed>) = 0 [pid 8629] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8622] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8620] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8618] exit_group(0 [pid 5008] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8629] <... futex resumed>) = ? [pid 8622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8620] <... futex resumed>) = 0 [pid 8619] <... futex resumed>) = ? [pid 8618] <... exit_group resumed>) = ? [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8629] +++ exited with 0 +++ [pid 8622] mkdir(".", 0777 [pid 8620] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8622] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] <... openat resumed>) = 3 [pid 8622] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] fstat(3, [pid 8619] +++ exited with 0 +++ [pid 8618] +++ exited with 0 +++ [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8618, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5008] umount2("./217/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 8622] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... restart_syscall resumed>) = 0 [pid 5004] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./214/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8622] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8620] <... futex resumed>) = 0 [pid 8620] exit_group(0) = ? [pid 8622] <... futex resumed>) = ? [ 281.145514][ T8629] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 281.161759][ T8623] overlayfs: upper fs needs to support d_type. [ 281.175061][ T8623] overlayfs: upper fs does not support tmpfile. [ 281.178436][ T8622] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 281.182152][ T8623] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8621] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8621] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8621] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8621] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8630], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8630 [pid 8621] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8622] +++ exited with 0 +++ [pid 8621] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8620] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8620, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 8623] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5007] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8630 attached ) = -1 EINVAL (Invalid argument) [pid 8623] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8630] set_robust_list(0x7fe5804599e0, 24 [pid 5007] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8630] <... set_robust_list resumed>) = 0 [pid 8623] <... futex resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 8630] mkdir(".", 0777 [pid 8623] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 8630] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./215/bus", MNT_DETACH|UMOUNT_NOFOLLOW [ 281.206049][ T8623] overlayfs: failed to resolve './file0': -2 [ 281.263109][ T8630] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8630] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./214/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8630] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./214/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./214/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./214/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8630] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8621] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 4 [pid 8630] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8621] exit_group(0 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8630] <... futex resumed>) = ? [pid 8623] <... futex resumed>) = ? [pid 8621] <... exit_group resumed>) = ? [pid 8623] +++ exited with 0 +++ [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./214/bus") = 0 [pid 5004] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./214/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./214/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./214") = 0 [pid 5004] mkdir("./215", 0777 [pid 5008] <... umount2 resumed>) = 0 [pid 8630] +++ exited with 0 +++ [pid 8621] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8621, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5004] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5005] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./216/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... umount2 resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8631 [pid 5007] umount2("./215/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./215/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./215/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./215/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./215/bus") = 0 [pid 5008] umount2("./217/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./217/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./217/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./217/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./215/binderfs", [pid 5008] getdents64(4, [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./215/binderfs" [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./215" [pid 5008] getdents64(4, ./strace-static-x86_64: Process 8631 attached 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8631] set_robust_list(0x5555568c85e0, 24 [pid 5008] close(4 [pid 5007] <... rmdir resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./217/bus" [pid 5007] mkdir("./216", 0777 [pid 5008] <... rmdir resumed>) = 0 [pid 8631] <... set_robust_list resumed>) = 0 [pid 5008] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... mkdir resumed>) = 0 [pid 8631] chdir("./215" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8631] <... chdir resumed>) = 0 [pid 5008] lstat("./217/binderfs", [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8631] <... prctl resumed>) = 0 [pid 5008] unlink("./217/binderfs" [pid 5007] <... openat resumed>) = 3 [pid 8631] setpgid(0, 0 [pid 5008] <... unlink resumed>) = 0 [pid 8631] <... setpgid resumed>) = 0 [pid 5008] getdents64(3, [pid 5007] ioctl(3, LOOP_CLR_FD [pid 8631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8631] <... openat resumed>) = 3 [pid 5008] close(3 [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8631] write(3, "1000", 4 [pid 5008] <... close resumed>) = 0 [pid 8631] <... write resumed>) = 4 [pid 5008] rmdir("./217" [pid 5007] close(3 [pid 8631] close(3 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 8631] <... close resumed>) = 0 [pid 5008] mkdir("./218", 0777 [pid 5005] umount2("./216/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8631] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8631] <... symlink resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] lstat("./216/bus", [pid 8631] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8631] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5005] umount2("./216/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8631] <... mmap resumed>) = 0x7fe58845a000 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] openat(AT_FDCWD, "./216/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8631] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] close(3 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8632 [pid 5005] <... openat resumed>) = 4 [pid 8631] <... mprotect resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5005] fstat(4, [pid 8631] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, [pid 8631] <... clone resumed>, parent_tid=[8633], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8633 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8631] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] getdents64(4, [pid 8631] <... futex resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8631] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8634 [pid 5005] close(4./strace-static-x86_64: Process 8634 attached ./strace-static-x86_64: Process 8633 attached ./strace-static-x86_64: Process 8632 attached ) = 0 [pid 5005] rmdir("./216/bus") = 0 [pid 5005] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8632] set_robust_list(0x5555568c85e0, 24 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./216/binderfs", [pid 8632] <... set_robust_list resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8632] chdir("./216" [pid 5005] unlink("./216/binderfs" [pid 8632] <... chdir resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 8632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] getdents64(3, [pid 8632] <... prctl resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8632] setpgid(0, 0 [pid 5005] close(3 [pid 8632] <... setpgid resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 8632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] rmdir("./216" [pid 8632] <... openat resumed>) = 3 [pid 5005] <... rmdir resumed>) = 0 [pid 8632] write(3, "1000", 4 [pid 5005] mkdir("./217", 0777 [pid 8632] <... write resumed>) = 4 [pid 5005] <... mkdir resumed>) = 0 [pid 8632] close(3 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8632] <... close resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 8632] symlink("/dev/binderfs", "./binderfs" [pid 5005] ioctl(3, LOOP_CLR_FD [pid 8632] <... symlink resumed>) = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8632] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] close(3 [pid 8632] <... futex resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 8633] set_robust_list(0x7fe58847a9e0, 24 [pid 8632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8633] <... set_robust_list resumed>) = 0 [pid 8632] <... mmap resumed>) = 0x7fe58845a000 [pid 8633] memfd_create("syzkaller", 0 [pid 8632] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8635 [pid 8633] <... memfd_create resumed>) = 3 [pid 8632] <... mprotect resumed>) = 0 [pid 8633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8632] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8635 attached [pid 8634] set_robust_list(0x5555568c85e0, 24 [pid 8633] <... mmap resumed>) = 0x7fe58005a000 [pid 8634] <... set_robust_list resumed>) = 0 [pid 8632] <... clone resumed>, parent_tid=[8636], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8636 ./strace-static-x86_64: Process 8636 attached [pid 8635] set_robust_list(0x5555568c85e0, 24 [pid 8634] chdir("./218" [pid 8632] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] set_robust_list(0x7fe58847a9e0, 24 [pid 8635] <... set_robust_list resumed>) = 0 [pid 8634] <... chdir resumed>) = 0 [pid 8632] <... futex resumed>) = 0 [pid 8636] <... set_robust_list resumed>) = 0 [pid 8635] chdir("./217" [pid 8634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8632] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8636] memfd_create("syzkaller", 0 [pid 8635] <... chdir resumed>) = 0 [pid 8636] <... memfd_create resumed>) = 3 [pid 8635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8636] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8635] <... prctl resumed>) = 0 [pid 8636] <... mmap resumed>) = 0x7fe58005a000 [pid 8635] setpgid(0, 0 [pid 8634] <... prctl resumed>) = 0 [pid 8635] <... setpgid resumed>) = 0 [pid 8634] setpgid(0, 0 [pid 8633] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8634] <... setpgid resumed>) = 0 [pid 8635] <... openat resumed>) = 3 [pid 8635] write(3, "1000", 4) = 4 [pid 8635] close(3 [pid 8634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8635] <... close resumed>) = 0 [pid 8635] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8635] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8635] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8635] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8634] <... openat resumed>) = 3 [pid 8635] <... clone resumed>, parent_tid=[8637], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8637 [pid 8635] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8634] write(3, "1000", 4 [pid 8635] <... futex resumed>) = 0 [pid 8634] <... write resumed>) = 4 [pid 8635] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8634] close(3) = 0 [pid 8634] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 8637 attached [pid 8637] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8634] <... symlink resumed>) = 0 [pid 8634] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8637] memfd_create("syzkaller", 0) = 3 [pid 8634] <... mmap resumed>) = 0x7fe58845a000 [pid 8634] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8637] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8634] <... mprotect resumed>) = 0 [pid 8634] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8637] <... mmap resumed>) = 0x7fe58005a000 [pid 8634] <... clone resumed>, parent_tid=[8638], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8638 [pid 8634] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8634] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8638 attached [pid 8638] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8638] memfd_create("syzkaller", 0) = 3 [pid 8638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8636] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8633] <... write resumed>) = 4194304 [pid 8633] munmap(0x7fe58005a000, 4194304) = 0 [pid 8633] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8633] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8638] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8633] close(3) = 0 [pid 8633] mkdir("./bus", 0777) = 0 [pid 8633] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 281.558482][ T8633] loop1: detected capacity change from 0 to 8192 [ 281.592853][ T8633] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8637] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8636] <... write resumed>) = 4194304 [pid 8636] munmap(0x7fe58005a000, 4194304) = 0 [pid 8636] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8636] ioctl(4, LOOP_SET_FD, 3 [pid 8637] <... write resumed>) = 4194304 [pid 8637] munmap(0x7fe58005a000, 4194304) = 0 [pid 8637] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8637] ioctl(4, LOOP_SET_FD, 3 [pid 8636] <... ioctl resumed>) = 0 [pid 8636] close(3) = 0 [pid 8637] <... ioctl resumed>) = 0 [pid 8637] close(3) = 0 [pid 8637] mkdir("./bus", 0777 [pid 8636] mkdir("./bus", 0777 [pid 8637] <... mkdir resumed>) = 0 [ 281.623231][ T8633] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 281.650869][ T8636] loop4: detected capacity change from 0 to 8192 [ 281.660271][ T8633] REISERFS (device loop1): using ordered data mode [ 281.666534][ T8637] loop2: detected capacity change from 0 to 8192 [pid 8637] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8638] <... write resumed>) = 4194304 [pid 8636] <... mkdir resumed>) = 0 [pid 8636] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8638] munmap(0x7fe58005a000, 4194304) = 0 [pid 8638] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8638] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8638] close(3) = 0 [pid 8638] mkdir("./bus", 0777) = 0 [ 281.679031][ T8633] reiserfs: using flush barriers [ 281.685262][ T8637] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 281.689255][ T8638] loop5: detected capacity change from 0 to 8192 [ 281.699299][ T8637] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 281.710227][ T8636] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 281.713920][ T8633] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 281.727251][ T8636] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 281.743382][ T8637] REISERFS (device loop2): using ordered data mode [ 281.752479][ T8633] REISERFS (device loop1): checking transaction log (loop1) [ 281.759611][ T8637] reiserfs: using flush barriers [ 281.767049][ T8633] REISERFS (device loop1): Using r5 hash to sort names [ 281.774194][ T8636] REISERFS (device loop4): using ordered data mode [ 281.778109][ T8633] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 281.785504][ T8637] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 281.813245][ T8633] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8638] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8633] <... mount resumed>) = 0 [pid 8633] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 281.813411][ T8638] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 281.835262][ T8636] reiserfs: using flush barriers [ 281.836371][ T8636] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 281.840945][ T8638] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 281.867142][ T8637] REISERFS (device loop2): checking transaction log (loop2) [pid 8633] chdir("./bus") = 0 [pid 8633] ioctl(4, LOOP_CLR_FD) = 0 [pid 8633] close(4) = 0 [pid 8633] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 281.867907][ T8636] REISERFS (device loop4): checking transaction log (loop4) [ 281.875642][ T8638] REISERFS (device loop5): using ordered data mode [ 281.883503][ T8636] REISERFS (device loop4): Using r5 hash to sort names [ 281.889441][ T8638] reiserfs: using flush barriers [ 281.896420][ T8636] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 281.906517][ T8637] REISERFS (device loop2): Using r5 hash to sort names [pid 8633] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8631] <... futex resumed>) = 0 [pid 8631] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8637] <... mount resumed>) = 0 [pid 8637] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8637] chdir("./bus") = 0 [pid 8637] ioctl(4, LOOP_CLR_FD) = 0 [pid 8637] close(4) = 0 [pid 8633] <... futex resumed>) = 0 [pid 8631] <... futex resumed>) = 1 [pid 8633] mkdir("./file1", 000) = 0 [pid 8633] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8631] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8633] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 281.920850][ T8637] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 281.922053][ T8638] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 281.934945][ T8637] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 281.950693][ T8636] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8631] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8633] <... futex resumed>) = 0 [pid 8631] <... futex resumed>) = 1 [pid 8633] mkdir("./bus", 000 [pid 8631] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8637] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] <... mount resumed>) = 0 [pid 8633] <... mkdir resumed>) = 0 [pid 8633] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8631] <... futex resumed>) = 0 [pid 8633] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8631] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8631] <... futex resumed>) = 0 [pid 8633] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8631] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8637] <... futex resumed>) = 1 [pid 8636] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8635] <... futex resumed>) = 0 [pid 8635] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8635] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8637] mkdir("./file1", 000 [pid 8636] <... openat resumed>) = 3 [ 281.980111][ T8638] REISERFS (device loop5): checking transaction log (loop5) [ 281.989857][ T8638] REISERFS (device loop5): Using r5 hash to sort names [ 281.996175][ T8633] overlayfs: upper fs needs to support d_type. [ 282.002411][ T8638] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 282.012222][ T8633] overlayfs: upper fs does not support tmpfile. [ 282.016718][ T8638] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8637] <... mkdir resumed>) = 0 [pid 8636] chdir("./bus" [pid 8637] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8636] <... chdir resumed>) = 0 [pid 8637] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8636] ioctl(4, LOOP_CLR_FD [pid 8638] <... mount resumed>) = 0 [pid 8636] <... ioctl resumed>) = 0 [pid 8635] <... futex resumed>) = 0 [pid 8638] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8636] close(4) = 0 [pid 8635] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8635] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8638] <... openat resumed>) = 3 [pid 8637] <... futex resumed>) = 0 [pid 8636] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8638] chdir("./bus" [pid 8637] mkdir("./bus", 000 [pid 8636] <... futex resumed>) = 1 [pid 8638] <... chdir resumed>) = 0 [pid 8632] <... futex resumed>) = 0 [pid 8638] ioctl(4, LOOP_CLR_FD [pid 8637] <... mkdir resumed>) = 0 [pid 8636] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8632] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8638] <... ioctl resumed>) = 0 [pid 8637] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8632] <... futex resumed>) = 0 [pid 8638] close(4 [pid 8637] <... futex resumed>) = 1 [pid 8636] mkdir("./file1", 000 [pid 8632] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8638] <... close resumed>) = 0 [pid 8637] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8638] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] <... mkdir resumed>) = 0 [pid 8635] <... futex resumed>) = 0 [pid 8638] <... futex resumed>) = 1 [pid 8636] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8635] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8634] <... futex resumed>) = 0 [pid 8635] <... futex resumed>) = 1 [pid 8635] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8631] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8631] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8638] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8637] <... futex resumed>) = 0 [pid 8636] <... futex resumed>) = 1 [pid 8634] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8631] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8637] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8636] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8634] <... futex resumed>) = 0 [pid 8632] <... futex resumed>) = 0 [pid 8631] <... mprotect resumed>) = 0 [pid 8638] mkdir("./file1", 000 [pid 8634] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8632] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8631] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8643], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8643 [pid 8631] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8631] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8638] <... mkdir resumed>) = 0 [pid 8638] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] <... futex resumed>) = 0 [pid 8632] <... futex resumed>) = 1 [pid 8638] <... futex resumed>) = 1 [pid 8636] mkdir("./bus", 000 [pid 8634] <... futex resumed>) = 0 [pid 8632] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8643 attached [pid 8643] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8643] mkdir(".", 0777) = -1 EEXIST (File exists) [ 282.038506][ T8633] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 282.049754][ T8633] overlayfs: failed to resolve './file0': -2 [ 282.059906][ T8637] overlayfs: upper fs needs to support d_type. [ 282.079359][ T8637] overlayfs: upper fs does not support tmpfile. [pid 8643] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8638] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 8636] <... mkdir resumed>) = 0 [pid 8634] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8633] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8638] mkdir("./bus", 000 [pid 8636] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8634] <... futex resumed>) = 0 [pid 8633] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8638] <... mkdir resumed>) = 0 [pid 8636] <... futex resumed>) = 1 [pid 8634] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8633] <... futex resumed>) = 0 [pid 8632] <... futex resumed>) = 0 [pid 8635] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8632] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8635] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8632] <... futex resumed>) = 0 [pid 8635] <... futex resumed>) = 0 [pid 8632] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8638] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 282.087364][ T8637] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 282.100484][ T8637] overlayfs: failed to resolve './file0': -2 [ 282.108170][ T8643] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 282.117211][ T8636] overlayfs: upper fs needs to support d_type. [ 282.124176][ T8638] overlayfs: upper fs needs to support d_type. [pid 8635] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8633] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8638] <... futex resumed>) = 0 [pid 8635] <... mprotect resumed>) = 0 [pid 8634] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8638] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8634] <... futex resumed>) = 0 [pid 8634] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8637] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8635] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8637] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8637] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8635] <... clone resumed>, parent_tid=[8644], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8644 [pid 8635] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8644 attached ) = 0 [pid 8635] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8644] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8644] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8644] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8632] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8643] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8634] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8632] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8634] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8634] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8634] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8645], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8645 [pid 8634] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8634] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8645 attached [pid 8645] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8645] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8645] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8644] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8644] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 282.129847][ T8636] overlayfs: upper fs does not support tmpfile. [ 282.150148][ T8644] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 282.155659][ T8638] overlayfs: upper fs does not support tmpfile. [ 282.166090][ T8636] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 282.174341][ T8638] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8644] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8643] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8635] <... futex resumed>) = 0 [pid 8632] <... futex resumed>) = 0 [pid 8643] <... futex resumed>) = 1 [pid 8643] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8635] exit_group(0 [pid 8637] <... futex resumed>) = ? [pid 8635] <... exit_group resumed>) = ? [pid 8637] +++ exited with 0 +++ [pid 8644] <... futex resumed>) = ? [pid 8644] +++ exited with 0 +++ [pid 8635] +++ exited with 0 +++ [pid 8632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8631] <... futex resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8635, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 8632] <... mmap resumed>) = 0x7fe580439000 [pid 8631] exit_group(0 [pid 8643] <... futex resumed>) = ? [pid 8633] <... futex resumed>) = ? [pid 8632] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8631] <... exit_group resumed>) = ? [pid 8643] +++ exited with 0 +++ [pid 8633] +++ exited with 0 +++ [pid 8632] <... mprotect resumed>) = 0 [pid 8632] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8631] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8631, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} --- [pid 8632] <... clone resumed>, parent_tid=[8646], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8646 [pid 8632] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8632] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8632] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./217/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./215/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8646 attached [pid 8646] set_robust_list(0x7fe5804599e0, 24 [pid 8645] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8636] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8645] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8634] <... futex resumed>) = 0 [pid 8636] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8646] <... set_robust_list resumed>) = 0 [pid 8638] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8636] <... futex resumed>) = 0 [pid 8645] <... futex resumed>) = 1 [pid 8645] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8638] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8638] <... futex resumed>) = 0 [pid 8634] exit_group(0) = ? [pid 8638] +++ exited with 0 +++ [pid 8645] <... futex resumed>) = ? [pid 8646] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8646] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8645] +++ exited with 0 +++ [pid 8634] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8634, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 5008] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 282.183970][ T8636] overlayfs: failed to resolve './file0': -2 [ 282.187066][ T8638] overlayfs: failed to resolve './file0': -2 [ 282.203425][ T8645] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] umount2("./218/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 8646] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8646] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8646] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8632] <... futex resumed>) = 0 [pid 8632] exit_group(0 [pid 8646] <... futex resumed>) = ? [pid 8636] <... futex resumed>) = ? [pid 8632] <... exit_group resumed>) = ? [pid 8646] +++ exited with 0 +++ [pid 8636] +++ exited with 0 +++ [pid 8632] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8632, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5007] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./217/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] lstat("./217/bus", [pid 5007] umount2("./216/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./217/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./217/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./217/bus") = 0 [pid 5005] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./217/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./217/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./217") = 0 [ 282.261642][ T8646] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] mkdir("./218", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8647 ./strace-static-x86_64: Process 8647 attached [pid 5004] <... umount2 resumed>) = 0 [pid 8647] set_robust_list(0x5555568c85e0, 24 [pid 5004] umount2("./215/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8647] <... set_robust_list resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./215/bus", [pid 8647] chdir("./218" [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8647] <... chdir resumed>) = 0 [pid 8647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] umount2("./215/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8647] <... prctl resumed>) = 0 [pid 5004] openat(AT_FDCWD, "./215/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8647] setpgid(0, 0 [pid 5004] <... openat resumed>) = 4 [pid 8647] <... setpgid resumed>) = 0 [pid 5004] fstat(4, [pid 8647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8647] <... openat resumed>) = 3 [pid 5004] getdents64(4, [pid 8647] write(3, "1000", 4 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8647] <... write resumed>) = 4 [pid 5004] getdents64(4, [pid 8647] close(3 [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8647] <... close resumed>) = 0 [pid 5004] close(4) = 0 [pid 8647] symlink("/dev/binderfs", "./binderfs" [pid 5004] rmdir("./215/bus" [pid 8647] <... symlink resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 8647] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8647] <... futex resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5004] lstat("./215/binderfs", [pid 8647] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8647] <... mprotect resumed>) = 0 [pid 5004] unlink("./215/binderfs" [pid 8647] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... unlink resumed>) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8647] <... clone resumed>, parent_tid=[8648], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8648 [pid 5004] close(3 [pid 8647] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 8647] <... futex resumed>) = 0 [pid 5004] rmdir("./215") = 0 [pid 8647] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] mkdir("./216", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 ./strace-static-x86_64: Process 8648 attached [pid 5004] ioctl(3, LOOP_CLR_FD [pid 8648] set_robust_list(0x7fe58847a9e0, 24 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8648] <... set_robust_list resumed>) = 0 [pid 5004] close(3 [pid 5008] <... umount2 resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5008] umount2("./218/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./218/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8649 [pid 5008] umount2("./218/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8648] memfd_create("syzkaller", 0 [pid 5008] openat(AT_FDCWD, "./218/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8648] <... memfd_create resumed>) = 3 [pid 5008] getdents64(4, [pid 8648] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./218/bus" [pid 8648] <... mmap resumed>) = 0x7fe58005a000 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./218/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./218/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./218") = 0 [pid 5008] mkdir("./219", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 ./strace-static-x86_64: Process 8649 attached [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8649] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8649] chdir("./216"./strace-static-x86_64: Process 8650 attached [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8650 [pid 5007] <... umount2 resumed>) = 0 [pid 8649] <... chdir resumed>) = 0 [pid 8649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8649] setpgid(0, 0) = 0 [pid 8649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8649] write(3, "1000", 4) = 4 [pid 8649] close(3) = 0 [pid 8649] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8649] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8649] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8649] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] umount2("./216/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8649] <... clone resumed>, parent_tid=[8651], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8651 [pid 8649] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8649] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8651 attached [pid 8650] set_robust_list(0x5555568c85e0, 24 [pid 5007] lstat("./216/bus", [pid 8651] set_robust_list(0x7fe58847a9e0, 24 [pid 8650] <... set_robust_list resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8651] <... set_robust_list resumed>) = 0 [pid 8650] chdir("./219" [pid 5007] umount2("./216/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8651] memfd_create("syzkaller", 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8650] <... chdir resumed>) = 0 [pid 8651] <... memfd_create resumed>) = 3 [pid 5007] openat(AT_FDCWD, "./216/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] <... openat resumed>) = 4 [pid 8650] <... prctl resumed>) = 0 [pid 8651] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] fstat(4, [pid 8650] setpgid(0, 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8650] <... setpgid resumed>) = 0 [pid 8648] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] getdents64(4, [pid 8650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8650] <... openat resumed>) = 3 [pid 8650] write(3, "1000", 4 [pid 5007] getdents64(4, [pid 8650] <... write resumed>) = 4 [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8650] close(3 [pid 5007] close(4 [pid 8650] <... close resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 8650] symlink("/dev/binderfs", "./binderfs" [pid 5007] rmdir("./216/bus" [pid 8650] <... symlink resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 8650] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8650] <... futex resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] lstat("./216/binderfs", [pid 8650] <... mmap resumed>) = 0x7fe58845a000 [pid 8650] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8650] <... mprotect resumed>) = 0 [pid 5007] unlink("./216/binderfs" [pid 8650] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, [pid 8650] <... clone resumed>, parent_tid=[8652], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8652 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8650] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] close(3 [pid 8650] <... futex resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 8650] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] rmdir("./216"./strace-static-x86_64: Process 8652 attached ) = 0 [pid 8652] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] mkdir("./217", 0777 [pid 8652] <... set_robust_list resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 8652] memfd_create("syzkaller", 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8652] <... memfd_create resumed>) = 3 [pid 8652] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] <... openat resumed>) = 3 [pid 8652] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 8651] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8653 ./strace-static-x86_64: Process 8653 attached [pid 8653] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8653] chdir("./217") = 0 [pid 8653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8653] setpgid(0, 0) = 0 [pid 8653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8653] write(3, "1000", 4) = 4 [pid 8653] close(3) = 0 [pid 8653] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8652] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8653] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8653] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8653] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8654], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8654 [pid 8653] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8653] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8654 attached [pid 8654] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8654] memfd_create("syzkaller", 0) = 3 [pid 8648] <... write resumed>) = 4194304 [pid 8654] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8648] munmap(0x7fe58005a000, 4194304) = 0 [pid 8648] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8648] ioctl(4, LOOP_SET_FD, 3 [pid 8651] <... write resumed>) = 4194304 [pid 8651] munmap(0x7fe58005a000, 4194304 [pid 8648] <... ioctl resumed>) = 0 [pid 8648] close(3) = 0 [pid 8651] <... munmap resumed>) = 0 [pid 8651] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8651] ioctl(4, LOOP_SET_FD, 3 [pid 8648] mkdir("./bus", 0777) = 0 [pid 8648] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8652] <... write resumed>) = 4194304 [pid 8651] <... ioctl resumed>) = 0 [pid 8652] munmap(0x7fe58005a000, 4194304 [pid 8651] close(3 [pid 8654] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8652] <... munmap resumed>) = 0 [pid 8651] <... close resumed>) = 0 [pid 8652] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8651] mkdir("./bus", 0777 [pid 8652] <... openat resumed>) = 4 [pid 8651] <... mkdir resumed>) = 0 [pid 8652] ioctl(4, LOOP_SET_FD, 3 [ 282.578403][ T8648] loop2: detected capacity change from 0 to 8192 [ 282.589826][ T8651] loop1: detected capacity change from 0 to 8192 [ 282.601656][ T8648] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 282.616056][ T8648] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 8651] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8652] <... ioctl resumed>) = 0 [pid 8652] close(3) = 0 [pid 8652] mkdir("./bus", 0777) = 0 [ 282.622638][ T8652] loop5: detected capacity change from 0 to 8192 [ 282.625804][ T8648] REISERFS (device loop2): using ordered data mode [ 282.638096][ T8648] reiserfs: using flush barriers [ 282.644865][ T8651] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 282.645566][ T8648] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 282.672930][ T8651] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 282.674426][ T8648] REISERFS (device loop2): checking transaction log (loop2) [ 282.690501][ T8652] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 282.691324][ T8648] REISERFS (device loop2): Using r5 hash to sort names [ 282.710675][ T8648] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8652] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8648] <... mount resumed>) = 0 [pid 8648] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8648] chdir("./bus") = 0 [pid 8648] ioctl(4, LOOP_CLR_FD) = 0 [pid 8648] close(4) = 0 [pid 8654] <... write resumed>) = 4194304 [pid 8648] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8654] munmap(0x7fe58005a000, 4194304 [pid 8648] <... futex resumed>) = 1 [pid 8647] <... futex resumed>) = 0 [pid 8647] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8647] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8648] mkdir("./file1", 000) = 0 [pid 8648] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8647] <... futex resumed>) = 0 [pid 8648] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8647] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8647] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8648] mkdir("./bus", 000) = 0 [ 282.715841][ T8651] REISERFS (device loop1): using ordered data mode [ 282.723803][ T8648] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 282.733133][ T8652] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 282.739627][ T8651] reiserfs: using flush barriers [ 282.768911][ T8648] overlayfs: upper fs needs to support d_type. [pid 8648] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8648] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8647] <... futex resumed>) = 0 [pid 8647] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8648] <... futex resumed>) = 0 [pid 8647] <... futex resumed>) = 1 [pid 8648] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8647] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8654] <... munmap resumed>) = 0 [pid 8654] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8654] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8654] close(3) = 0 [pid 8654] mkdir("./bus", 0777) = 0 [ 282.769626][ T8654] loop4: detected capacity change from 0 to 8192 [ 282.782170][ T8652] REISERFS (device loop5): using ordered data mode [ 282.789313][ T8652] reiserfs: using flush barriers [ 282.795000][ T8651] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 282.799493][ T8648] overlayfs: upper fs does not support tmpfile. [pid 8654] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8647] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8647] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8647] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8647] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8659], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8659 [pid 8647] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 282.817662][ T8652] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 282.818329][ T8651] REISERFS (device loop1): checking transaction log (loop1) [ 282.834131][ T8652] REISERFS (device loop5): checking transaction log (loop5) [ 282.842456][ T8654] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 282.849328][ T8648] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 282.869512][ T8652] REISERFS (device loop5): Using r5 hash to sort names [pid 8647] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8659 attached [pid 8659] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8659] mkdir(".", 0777) = -1 EEXIST (File exists) [ 282.876545][ T8651] REISERFS (device loop1): Using r5 hash to sort names [ 282.884551][ T8648] overlayfs: failed to resolve './file0': -2 [ 282.891022][ T8652] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 282.891226][ T8651] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8659] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8652] <... mount resumed>) = 0 [pid 8659] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8652] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8651] <... mount resumed>) = 0 [pid 8652] <... openat resumed>) = 3 [pid 8651] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8652] chdir("./bus" [pid 8651] <... openat resumed>) = 3 [pid 8652] <... chdir resumed>) = 0 [pid 8651] chdir("./bus" [pid 8652] ioctl(4, LOOP_CLR_FD [pid 8651] <... chdir resumed>) = 0 [pid 8652] <... ioctl resumed>) = 0 [pid 8651] ioctl(4, LOOP_CLR_FD [pid 8652] close(4 [pid 8651] <... ioctl resumed>) = 0 [pid 8652] <... close resumed>) = 0 [pid 8651] close(4 [pid 8652] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8651] <... close resumed>) = 0 [pid 8652] <... futex resumed>) = 1 [pid 8651] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8650] <... futex resumed>) = 0 [pid 8652] mkdir("./file1", 000 [pid 8651] <... futex resumed>) = 1 [pid 8650] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8652] <... mkdir resumed>) = 0 [pid 8651] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8650] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8652] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8652] <... futex resumed>) = 0 [pid 8650] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8652] mkdir("./bus", 000 [pid 8650] <... futex resumed>) = 0 [pid 8652] <... mkdir resumed>) = 0 [pid 8650] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8652] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8652] <... futex resumed>) = 0 [pid 8650] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8652] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8650] <... futex resumed>) = 0 [pid 8650] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8659] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8649] <... futex resumed>) = 0 [pid 8648] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 282.905204][ T8659] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 282.917835][ T8652] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 282.942022][ T8651] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 282.943430][ T8654] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 282.961330][ T8654] REISERFS (device loop4): using ordered data mode [ 282.968787][ T8654] reiserfs: using flush barriers [pid 8659] <... futex resumed>) = 1 [pid 8649] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8648] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8647] <... futex resumed>) = 0 [pid 8659] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8651] <... futex resumed>) = 0 [pid 8649] <... futex resumed>) = 1 [pid 8648] <... futex resumed>) = 0 [pid 8647] exit_group(0 [pid 8648] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8649] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8651] mkdir("./file1", 000) = 0 [pid 8651] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8651] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8647] <... exit_group resumed>) = ? [pid 8648] <... futex resumed>) = ? [pid 8659] <... futex resumed>) = ? [pid 8648] +++ exited with 0 +++ [pid 8649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8659] +++ exited with 0 +++ [pid 8647] +++ exited with 0 +++ [pid 8649] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8651] <... futex resumed>) = 0 [pid 8649] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8647, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 8651] mkdir("./bus", 000 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 8651] <... mkdir resumed>) = 0 [pid 5005] <... restart_syscall resumed>) = 0 [pid 8651] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8651] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5005] getdents64(3, [pid 8649] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8651] <... futex resumed>) = 0 [pid 8649] <... futex resumed>) = 1 [pid 5005] umount2("./218/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8651] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8649] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8650] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8650] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8650] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8650] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8660], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8660 [pid 8650] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 282.974425][ T8652] overlayfs: upper fs needs to support d_type. [ 282.980626][ T8652] overlayfs: upper fs does not support tmpfile. [ 283.000594][ T8651] overlayfs: upper fs needs to support d_type. [ 283.007362][ T8654] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 283.022769][ T8652] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8650] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8660 attached [pid 8660] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8660] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8660] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8649] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8649] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [ 283.027323][ T8651] overlayfs: upper fs does not support tmpfile. [ 283.041372][ T8651] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 283.041585][ T8652] overlayfs: failed to resolve './file0': -2 [ 283.050292][ T8654] REISERFS (device loop4): checking transaction log (loop4) [pid 8649] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8649] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8661], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8661 [pid 8649] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8649] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8661 attached [pid 8661] set_robust_list(0x7fe5804599e0, 24 [pid 8660] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8660] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8650] <... futex resumed>) = 0 [pid 8660] <... futex resumed>) = 1 [pid 8660] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8661] <... set_robust_list resumed>) = 0 [pid 8661] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8661] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8652] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8651] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8651] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8651] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8652] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8650] exit_group(0 [pid 8660] <... futex resumed>) = ? [pid 8650] <... exit_group resumed>) = ? [pid 8660] +++ exited with 0 +++ [ 283.074582][ T8660] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 283.094218][ T8651] overlayfs: failed to resolve './file0': -2 [ 283.104400][ T8654] REISERFS (device loop4): Using r5 hash to sort names [pid 8652] +++ exited with 0 +++ [pid 8650] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8650, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5008] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./219/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./218/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./218/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./218/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./218/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./218/bus") = 0 [pid 5005] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./218/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./218/binderfs") = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./218") = 0 [pid 5005] mkdir("./219", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8661] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8662 [pid 8661] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8649] <... futex resumed>) = 0 [pid 8661] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8649] exit_group(0 [pid 8661] <... futex resumed>) = ? [pid 8651] <... futex resumed>) = ? [pid 8649] <... exit_group resumed>) = ? [pid 8651] +++ exited with 0 +++ [pid 8661] +++ exited with 0 +++ [pid 8649] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8649, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5004] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8662 attached ) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, [pid 8662] set_robust_list(0x5555568c85e0, 24 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8654] <... mount resumed>) = 0 [pid 8662] <... set_robust_list resumed>) = 0 [pid 5004] getdents64(3, [pid 8662] chdir("./219" [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8662] <... chdir resumed>) = 0 [pid 8654] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5004] umount2("./216/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8654] <... openat resumed>) = 3 [pid 8662] <... prctl resumed>) = 0 [pid 8662] setpgid(0, 0 [pid 8654] chdir("./bus" [pid 8662] <... setpgid resumed>) = 0 [pid 8662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8654] <... chdir resumed>) = 0 [pid 8654] ioctl(4, LOOP_CLR_FD [pid 8662] <... openat resumed>) = 3 [pid 8662] write(3, "1000", 4 [pid 8654] <... ioctl resumed>) = 0 [pid 8662] <... write resumed>) = 4 [pid 8654] close(4 [pid 8662] close(3 [pid 8654] <... close resumed>) = 0 [pid 8662] <... close resumed>) = 0 [pid 8654] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8662] symlink("/dev/binderfs", "./binderfs" [pid 8654] <... futex resumed>) = 1 [pid 8653] <... futex resumed>) = 0 [pid 8653] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8653] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8662] <... symlink resumed>) = 0 [pid 8654] mkdir("./file1", 000 [ 283.122837][ T8654] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 283.127952][ T8661] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 283.164840][ T8654] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8662] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8654] <... mkdir resumed>) = 0 [pid 8662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8654] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8662] <... mmap resumed>) = 0x7fe58845a000 [pid 8662] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8654] <... futex resumed>) = 1 [pid 8653] <... futex resumed>) = 0 [pid 8653] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8662] <... mprotect resumed>) = 0 [pid 8654] mkdir("./bus", 000 [pid 8653] <... futex resumed>) = 0 [pid 8662] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8654] <... mkdir resumed>) = 0 [pid 8653] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8654] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8662] <... clone resumed>, parent_tid=[8663], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8663 [pid 8654] <... futex resumed>) = 1 [pid 8653] <... futex resumed>) = 0 [pid 8662] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8654] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8653] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8663 attached [pid 8663] set_robust_list(0x7fe58847a9e0, 24 [pid 8653] <... futex resumed>) = 0 [pid 8662] <... futex resumed>) = 0 [pid 8653] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8663] <... set_robust_list resumed>) = 0 [pid 8663] memfd_create("syzkaller", 0) = 3 [pid 8663] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8662] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8653] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8653] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 283.225527][ T8654] overlayfs: upper fs needs to support d_type. [ 283.256169][ T8654] overlayfs: upper fs does not support tmpfile. [pid 8653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8653] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8653] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8664], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8664 [pid 8653] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8653] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./219/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8664 attached [pid 8664] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8664] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8664] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./219/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./219/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./219/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./219/bus") = 0 [pid 5008] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./219/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./219" [pid 8663] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 283.284050][ T8654] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 283.293917][ T8654] overlayfs: failed to resolve './file0': -2 [pid 8654] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... rmdir resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 8654] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] mkdir("./220", 0777 [pid 8654] <... futex resumed>) = 0 [pid 5004] umount2("./216/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8664] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8664] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8653] <... futex resumed>) = 0 [pid 8653] exit_group(0) = ? [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8664] <... futex resumed>) = ? [pid 8664] +++ exited with 0 +++ [pid 5008] <... mkdir resumed>) = 0 [pid 5004] lstat("./216/bus", [pid 8654] +++ exited with 0 +++ [pid 8653] +++ exited with 0 +++ [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8653, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5007] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./217/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./216/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./216/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5004] <... openat resumed>) = 4 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] close(3 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] <... close resumed>) = 0 [pid 5004] getdents64(4, [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8665 ./strace-static-x86_64: Process 8665 attached [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./216/bus" [pid 8665] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8665] chdir("./220" [pid 5004] <... rmdir resumed>) = 0 [pid 5004] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8665] <... chdir resumed>) = 0 [pid 8665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8665] setpgid(0, 0) = 0 [pid 5004] lstat("./216/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] unlink("./216/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [ 283.322615][ T8664] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8665] <... openat resumed>) = 3 [pid 5004] rmdir("./216" [pid 8665] write(3, "1000", 4) = 4 [pid 8665] close(3) = 0 [pid 8665] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5004] mkdir("./217", 0777 [pid 8665] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8665] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8665] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... mkdir resumed>) = 0 [pid 8665] <... clone resumed>, parent_tid=[8666], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8666 [pid 8665] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8665] <... futex resumed>) = 0 [pid 8665] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8667 ./strace-static-x86_64: Process 8666 attached [pid 8666] set_robust_list(0x7fe58847a9e0, 24) = 0 ./strace-static-x86_64: Process 8667 attached [pid 8666] memfd_create("syzkaller", 0) = 3 [pid 8667] set_robust_list(0x5555568c85e0, 24 [pid 8666] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8667] <... set_robust_list resumed>) = 0 [pid 8667] chdir("./217") = 0 [pid 8667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8667] setpgid(0, 0) = 0 [pid 8667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8667] write(3, "1000", 4) = 4 [pid 8667] close(3) = 0 [pid 8667] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8667] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... umount2 resumed>) = 0 [pid 8667] <... futex resumed>) = 0 [pid 5007] umount2("./217/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8663] <... write resumed>) = 4194304 [pid 8663] munmap(0x7fe58005a000, 4194304 [pid 8667] <... mmap resumed>) = 0x7fe58845a000 [pid 5007] lstat("./217/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8667] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5007] umount2("./217/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8667] <... mprotect resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8667] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] openat(AT_FDCWD, "./217/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, [pid 8667] <... clone resumed>, parent_tid=[8668], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8668 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8667] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8667] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./217/bus" [pid 8663] <... munmap resumed>) = 0 [pid 8663] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5007] <... rmdir resumed>) = 0 [pid 8663] ioctl(4, LOOP_SET_FD, 3 [pid 5007] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./217/binderfs", ./strace-static-x86_64: Process 8668 attached [pid 8668] set_robust_list(0x7fe58847a9e0, 24 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8668] <... set_robust_list resumed>) = 0 [pid 8668] memfd_create("syzkaller", 0) = 3 [pid 8668] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] unlink("./217/binderfs" [pid 8668] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./217") = 0 [pid 5007] mkdir("./218", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3 [pid 8666] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8663] <... ioctl resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 8663] close(3 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8663] <... close resumed>) = 0 [pid 8663] mkdir("./bus", 0777 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8669 [pid 8663] <... mkdir resumed>) = 0 [pid 8663] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8669 attached [pid 8669] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8669] chdir("./218") = 0 [pid 8669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8669] setpgid(0, 0) = 0 [ 283.455426][ T8663] loop2: detected capacity change from 0 to 8192 [pid 8669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8669] write(3, "1000", 4) = 4 [pid 8669] close(3) = 0 [pid 8669] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8669] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8669] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8669] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8671], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8671 [pid 8669] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8669] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8671 attached [pid 8671] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8671] memfd_create("syzkaller", 0) = 3 [pid 8671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 283.502226][ T8663] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 283.529979][ T8663] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 8668] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8666] <... write resumed>) = 4194304 [pid 8666] munmap(0x7fe58005a000, 4194304) = 0 [pid 8666] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8666] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8666] close(3) = 0 [pid 8666] mkdir("./bus", 0777) = 0 [ 283.555826][ T8663] REISERFS (device loop2): using ordered data mode [ 283.571573][ T8666] loop5: detected capacity change from 0 to 8192 [ 283.573790][ T8663] reiserfs: using flush barriers [pid 8666] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 283.595755][ T8666] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 283.609155][ T8663] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 283.609548][ T8666] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 283.625647][ T8663] REISERFS (device loop2): checking transaction log (loop2) [ 283.642383][ T8666] REISERFS (device loop5): using ordered data mode [ 283.649095][ T8666] reiserfs: using flush barriers [pid 8671] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8663] <... mount resumed>) = 0 [pid 8663] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8663] chdir("./bus") = 0 [ 283.654162][ T8663] REISERFS (device loop2): Using r5 hash to sort names [ 283.661305][ T8663] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 283.669548][ T8666] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 283.674008][ T8663] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8663] ioctl(4, LOOP_CLR_FD) = 0 [pid 8663] close(4 [pid 8668] <... write resumed>) = 4194304 [pid 8663] <... close resumed>) = 0 [pid 8663] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8663] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8668] munmap(0x7fe58005a000, 4194304 [pid 8662] <... futex resumed>) = 0 [pid 8668] <... munmap resumed>) = 0 [pid 8662] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8668] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8663] <... futex resumed>) = 0 [pid 8662] <... futex resumed>) = 1 [pid 8668] <... openat resumed>) = 4 [pid 8663] mkdir("./file1", 000 [pid 8662] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8671] <... write resumed>) = 4194304 [pid 8668] ioctl(4, LOOP_SET_FD, 3 [pid 8663] <... mkdir resumed>) = 0 [pid 8663] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 283.699819][ T8666] REISERFS (device loop5): checking transaction log (loop5) [ 283.722056][ T8666] REISERFS (device loop5): Using r5 hash to sort names [ 283.729111][ T8666] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8663] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8671] munmap(0x7fe58005a000, 4194304) = 0 [pid 8668] <... ioctl resumed>) = 0 [pid 8662] <... futex resumed>) = 0 [pid 8671] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8668] close(3 [pid 8666] <... mount resumed>) = 0 [pid 8662] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8671] <... openat resumed>) = 4 [pid 8668] <... close resumed>) = 0 [pid 8663] <... futex resumed>) = 0 [pid 8662] <... futex resumed>) = 1 [pid 8666] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8671] ioctl(4, LOOP_SET_FD, 3 [pid 8668] mkdir("./bus", 0777 [pid 8663] mkdir("./bus", 000 [pid 8662] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8668] <... mkdir resumed>) = 0 [pid 8666] <... openat resumed>) = 3 [pid 8668] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8666] chdir("./bus") = 0 [pid 8666] ioctl(4, LOOP_CLR_FD) = 0 [pid 8666] close(4) = 0 [pid 8666] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8663] <... mkdir resumed>) = 0 [pid 8666] <... futex resumed>) = 1 [pid 8666] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8671] <... ioctl resumed>) = 0 [pid 8671] close(3) = 0 [pid 8671] mkdir("./bus", 0777) = 0 [pid 8671] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8663] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8665] <... futex resumed>) = 0 [pid 8663] <... futex resumed>) = 1 [ 283.749679][ T8666] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 283.759188][ T8668] loop1: detected capacity change from 0 to 8192 [ 283.768412][ T8671] loop4: detected capacity change from 0 to 8192 [ 283.783079][ T8668] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8662] <... futex resumed>) = 0 [pid 8665] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8663] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8665] <... futex resumed>) = 1 [pid 8662] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8666] <... futex resumed>) = 0 [pid 8666] mkdir("./file1", 000) = 0 [pid 8666] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8666] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8665] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8662] <... futex resumed>) = 1 [pid 8663] <... futex resumed>) = 0 [pid 8663] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8665] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8666] <... futex resumed>) = 0 [pid 8665] <... futex resumed>) = 1 [pid 8666] mkdir("./bus", 000 [pid 8665] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8666] <... mkdir resumed>) = 0 [ 283.796596][ T8671] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 283.805752][ T8668] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 283.811551][ T8671] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 283.819521][ T8668] REISERFS (device loop1): using ordered data mode [ 283.830969][ T8671] REISERFS (device loop4): using ordered data mode [ 283.834950][ T8668] reiserfs: using flush barriers [ 283.841355][ T8671] reiserfs: using flush barriers [pid 8666] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8665] <... futex resumed>) = 0 [pid 8666] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8665] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8665] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 283.847761][ T8668] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 283.861039][ T8663] overlayfs: upper fs needs to support d_type. [ 283.867229][ T8668] REISERFS (device loop1): checking transaction log (loop1) [ 283.876076][ T8663] overlayfs: upper fs does not support tmpfile. [ 283.880826][ T8666] overlayfs: upper fs needs to support d_type. [ 283.888564][ T8663] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8662] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8665] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8662] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8665] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8662] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8665] <... futex resumed>) = 0 [pid 8662] <... futex resumed>) = 0 [pid 8665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8665] <... mmap resumed>) = 0x7fe580439000 [pid 8662] <... mmap resumed>) = 0x7fe580439000 [pid 8665] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8662] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8663] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8663] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 283.900006][ T8671] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 283.900393][ T8671] REISERFS (device loop4): checking transaction log (loop4) [ 283.917872][ T8663] overlayfs: failed to resolve './file0': -2 [ 283.931595][ T8668] REISERFS (device loop1): Using r5 hash to sort names [ 283.932876][ T8666] overlayfs: upper fs does not support tmpfile. [ 283.939082][ T8668] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8663] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8665] <... mprotect resumed>) = 0 [pid 8662] <... mprotect resumed>) = 0 [pid 8665] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8662] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8676 attached ./strace-static-x86_64: Process 8675 attached [pid 8668] <... mount resumed>) = 0 [pid 8675] set_robust_list(0x7fe5804599e0, 24 [pid 8668] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8665] <... clone resumed>, parent_tid=[8676], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8676 [pid 8662] <... clone resumed>, parent_tid=[8675], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8675 [pid 8675] <... set_robust_list resumed>) = 0 [pid 8668] <... openat resumed>) = 3 [pid 8665] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8662] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8675] mkdir(".", 0777 [pid 8668] chdir("./bus" [pid 8665] <... futex resumed>) = 0 [pid 8662] <... futex resumed>) = 0 [pid 8675] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8668] <... chdir resumed>) = 0 [pid 8665] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8662] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8675] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8668] ioctl(4, LOOP_CLR_FD) = 0 [ 283.947892][ T8666] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 283.959048][ T8671] REISERFS (device loop4): Using r5 hash to sort names [ 283.966571][ T8666] overlayfs: failed to resolve './file0': -2 [ 283.971742][ T8668] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 283.978431][ T8671] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8668] close(4) = 0 [pid 8666] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8668] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8668] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8676] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8676] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8676] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8667] <... futex resumed>) = 0 [pid 8666] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8667] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8666] <... futex resumed>) = 0 [pid 8667] <... futex resumed>) = 1 [pid 8666] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8667] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8671] <... mount resumed>) = 0 [pid 8671] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8671] chdir("./bus") = 0 [pid 8671] ioctl(4, LOOP_CLR_FD) = 0 [pid 8671] close(4) = 0 [pid 8671] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8671] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8668] <... futex resumed>) = 0 [pid 8669] <... futex resumed>) = 0 [pid 8668] mkdir("./file1", 000 [pid 8669] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8668] <... mkdir resumed>) = 0 [pid 8669] <... futex resumed>) = 1 [pid 8668] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8669] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8668] <... futex resumed>) = 1 [pid 8668] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8671] <... futex resumed>) = 0 [pid 8667] <... futex resumed>) = 0 [pid 8671] mkdir("./file1", 000 [pid 8667] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8675] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8671] <... mkdir resumed>) = 0 [pid 8675] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8662] <... futex resumed>) = 0 [pid 8662] exit_group(0) = ? [pid 8675] <... futex resumed>) = ? [pid 8675] +++ exited with 0 +++ [pid 8668] <... futex resumed>) = 0 [pid 8667] <... futex resumed>) = 1 [pid 8668] mkdir("./bus", 000 [pid 8667] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8668] <... mkdir resumed>) = 0 [pid 8668] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8667] <... futex resumed>) = 0 [pid 8668] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8667] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8667] <... futex resumed>) = 0 [pid 8668] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 284.000902][ T8671] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 284.011018][ T8675] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 284.036895][ T8676] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8667] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8676] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8671] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8663] <... futex resumed>) = ? [pid 8676] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8671] <... futex resumed>) = 1 [pid 8663] +++ exited with 0 +++ [pid 8662] +++ exited with 0 +++ [pid 8676] <... futex resumed>) = 1 [pid 8671] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8676] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8669] <... futex resumed>) = 0 [pid 8665] <... futex resumed>) = 0 [pid 8665] exit_group(0 [pid 8669] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8665] <... exit_group resumed>) = ? [pid 8669] <... futex resumed>) = 1 [pid 8676] <... futex resumed>) = ? [pid 8671] <... futex resumed>) = 0 [pid 8669] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8666] <... futex resumed>) = ? [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8662, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 8676] +++ exited with 0 +++ [pid 8671] mkdir("./bus", 000 [pid 8666] +++ exited with 0 +++ [pid 8665] +++ exited with 0 +++ [pid 5005] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8671] <... mkdir resumed>) = 0 [pid 8671] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8671] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8669] <... futex resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8665, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8669] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8669] <... futex resumed>) = 1 [pid 8671] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 8669] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8671] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(3, [pid 5008] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5005] getdents64(3, [pid 5008] fstat(3, [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 5005] umount2("./219/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./220/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8667] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8667] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 284.053105][ T8668] overlayfs: upper fs needs to support d_type. [ 284.059949][ T8668] overlayfs: upper fs does not support tmpfile. [ 284.069546][ T8668] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 284.080828][ T8671] overlayfs: upper fs needs to support d_type. [ 284.090787][ T8671] overlayfs: upper fs does not support tmpfile. [ 284.098184][ T8668] overlayfs: failed to resolve './file0': -2 [pid 8667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8667] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8667] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8677], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8677 [pid 8669] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 8677 attached [pid 8677] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8677] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8669] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8667] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8669] <... futex resumed>) = 0 [pid 8669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8667] <... futex resumed>) = 1 [pid 8677] <... futex resumed>) = 0 [pid 8677] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8677] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8669] <... mmap resumed>) = 0x7fe580439000 [pid 8667] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8669] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8669] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8678], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8678 [pid 8669] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 284.108939][ T8671] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8669] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8668] <... mount resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 8678 attached [pid 8678] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8668] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8678] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8668] <... futex resumed>) = 0 [pid 8678] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8668] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8677] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8677] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8677] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8678] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8678] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8678] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8669] <... futex resumed>) = 0 [pid 8667] <... futex resumed>) = 0 [pid 8667] exit_group(0) = ? [pid 8668] <... futex resumed>) = ? [pid 8677] <... futex resumed>) = ? [pid 8677] +++ exited with 0 +++ [pid 8668] +++ exited with 0 +++ [pid 8667] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8667, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./217/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./219/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8671] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8671] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8671] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./220/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./220/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./220/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8669] exit_group(0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./220/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8669] <... exit_group resumed>) = ? [pid 8678] <... futex resumed>) = ? [pid 8671] <... futex resumed>) = ? [pid 8678] +++ exited with 0 +++ [pid 8671] +++ exited with 0 +++ [pid 8669] +++ exited with 0 +++ [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8669, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./220/bus" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./219/bus", [pid 5007] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 5005] umount2("./219/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./218/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] openat(AT_FDCWD, "./219/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... rmdir resumed>) = 0 [pid 5008] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./219/bus") = 0 [pid 5005] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./219/binderfs", [pid 5008] lstat("./220/binderfs", [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./219/binderfs" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5005] getdents64(3, [pid 5008] unlink("./220/binderfs" [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5005] close(3) = 0 [ 284.148724][ T8677] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 284.165792][ T8671] overlayfs: failed to resolve './file0': -2 [ 284.181726][ T8678] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5005] rmdir("./219") = 0 [pid 5008] getdents64(3, [pid 5005] mkdir("./220", 0777 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5005] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] <... close resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5008] rmdir("./220" [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5008] <... rmdir resumed>) = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5008] mkdir("./221", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8679 [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8680 ./strace-static-x86_64: Process 8680 attached [pid 8680] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8680] chdir("./220") = 0 [pid 8680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8680] setpgid(0, 0) = 0 [pid 8680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8680] write(3, "1000", 4) = 4 [pid 8680] close(3) = 0 [pid 8680] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8680] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 8679 attached ) = 0x7fe58845a000 [pid 8680] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8679] set_robust_list(0x5555568c85e0, 24 [pid 8680] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8679] <... set_robust_list resumed>) = 0 [pid 8680] <... clone resumed>, parent_tid=[8681], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8681 [pid 8679] chdir("./221" [pid 8680] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8679] <... chdir resumed>) = 0 [pid 8680] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8679] setpgid(0, 0) = 0 [pid 8679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8679] write(3, "1000", 4) = 4 [pid 8679] close(3) = 0 [pid 8679] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8679] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8679] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8679] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8682], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8682 [pid 8679] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8679] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8681 attached [pid 8681] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8681] memfd_create("syzkaller", 0) = 3 [pid 8681] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 8682 attached [pid 8682] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8681] <... mmap resumed>) = 0x7fe58005a000 [pid 8682] memfd_create("syzkaller", 0 [pid 5007] <... umount2 resumed>) = 0 [pid 8682] <... memfd_create resumed>) = 3 [pid 8682] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5007] umount2("./218/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./218/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./218/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./218/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./218/bus") = 0 [pid 5007] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./218/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./218/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./218") = 0 [pid 5007] mkdir("./219", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8683 ./strace-static-x86_64: Process 8683 attached [pid 8683] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8683] chdir("./219") = 0 [pid 8683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8683] setpgid(0, 0) = 0 [pid 8683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8683] write(3, "1000", 4) = 4 [pid 8683] close(3) = 0 [pid 8683] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8683] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 8683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8683] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8683] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8684], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8684 [pid 8683] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./217/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8683] <... futex resumed>) = 0 [pid 8683] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8684 attached [pid 5004] lstat("./217/bus", [pid 8684] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8684] memfd_create("syzkaller", 0 [pid 5004] umount2("./217/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8684] <... memfd_create resumed>) = 3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8684] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] openat(AT_FDCWD, "./217/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8684] <... mmap resumed>) = 0x7fe58005a000 [pid 5004] <... openat resumed>) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./217/bus") = 0 [pid 5004] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./217/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./217/binderfs" [pid 8681] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... unlink resumed>) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./217") = 0 [pid 5004] mkdir("./218", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 8682] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8685 ./strace-static-x86_64: Process 8685 attached [pid 8685] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8685] chdir("./218") = 0 [pid 8685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8685] setpgid(0, 0) = 0 [pid 8685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8685] write(3, "1000", 4) = 4 [pid 8684] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8685] close(3) = 0 [pid 8685] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8685] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8685] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8685] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8686], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8686 [pid 8685] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8685] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8686 attached [pid 8686] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8686] memfd_create("syzkaller", 0) = 3 [pid 8686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8681] <... write resumed>) = 4194304 [pid 8681] munmap(0x7fe58005a000, 4194304 [pid 8682] <... write resumed>) = 4194304 [pid 8682] munmap(0x7fe58005a000, 4194304 [pid 8681] <... munmap resumed>) = 0 [pid 8681] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8681] ioctl(4, LOOP_SET_FD, 3 [pid 8682] <... munmap resumed>) = 0 [pid 8682] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8682] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8682] close(3) = 0 [pid 8682] mkdir("./bus", 0777) = 0 [pid 8682] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8681] <... ioctl resumed>) = 0 [pid 8681] close(3) = 0 [pid 8684] <... write resumed>) = 4194304 [pid 8681] mkdir("./bus", 0777 [pid 8684] munmap(0x7fe58005a000, 4194304 [pid 8681] <... mkdir resumed>) = 0 [pid 8684] <... munmap resumed>) = 0 [pid 8684] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 284.529901][ T8681] loop2: detected capacity change from 0 to 8192 [ 284.536351][ T8682] loop5: detected capacity change from 0 to 8192 [ 284.561834][ T8682] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8684] ioctl(4, LOOP_SET_FD, 3 [pid 8686] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8681] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8684] <... ioctl resumed>) = 0 [pid 8684] close(3) = 0 [pid 8684] mkdir("./bus", 0777) = 0 [ 284.572005][ T8684] loop4: detected capacity change from 0 to 8192 [ 284.577761][ T8682] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 284.590411][ T8682] REISERFS (device loop5): using ordered data mode [ 284.607435][ T8682] reiserfs: using flush barriers [ 284.613451][ T8681] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8684] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8686] <... write resumed>) = 4194304 [ 284.628007][ T8684] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 284.630074][ T8681] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 284.643334][ T8684] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 284.650238][ T8682] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8686] munmap(0x7fe58005a000, 4194304) = 0 [pid 8686] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 284.660806][ T8684] REISERFS (device loop4): using ordered data mode [ 284.675895][ T8681] REISERFS (device loop2): using ordered data mode [ 284.684572][ T8684] reiserfs: using flush barriers [ 284.690618][ T8681] reiserfs: using flush barriers [ 284.697448][ T8684] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.699997][ T8682] REISERFS (device loop5): checking transaction log (loop5) [pid 8686] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8686] close(3) = 0 [ 284.722473][ T8681] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.739033][ T8686] loop1: detected capacity change from 0 to 8192 [ 284.740615][ T8682] REISERFS (device loop5): Using r5 hash to sort names [ 284.745895][ T8684] REISERFS (device loop4): checking transaction log (loop4) [ 284.754579][ T8681] REISERFS (device loop2): checking transaction log (loop2) [ 284.767936][ T8684] REISERFS (device loop4): Using r5 hash to sort names [pid 8686] mkdir("./bus", 0777) = 0 [pid 8682] <... mount resumed>) = 0 [pid 8682] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8682] chdir("./bus") = 0 [pid 8682] ioctl(4, LOOP_CLR_FD) = 0 [pid 8686] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 284.769552][ T8682] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 284.775039][ T8684] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 284.790140][ T8682] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 284.801318][ T8684] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 284.820029][ T8681] REISERFS (device loop2): Using r5 hash to sort names [pid 8682] close(4 [pid 8684] <... mount resumed>) = 0 [pid 8682] <... close resumed>) = 0 [pid 8682] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8679] <... futex resumed>) = 0 [pid 8684] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8679] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8679] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8682] <... futex resumed>) = 1 [pid 8682] mkdir("./file1", 000 [pid 8684] <... openat resumed>) = 3 [pid 8682] <... mkdir resumed>) = 0 [pid 8684] chdir("./bus" [pid 8682] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8684] <... chdir resumed>) = 0 [ 284.820343][ T8686] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 284.840252][ T8686] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 284.849624][ T8686] REISERFS (device loop1): using ordered data mode [ 284.856322][ T8686] reiserfs: using flush barriers [ 284.862629][ T8681] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8682] <... futex resumed>) = 1 [pid 8679] <... futex resumed>) = 0 [pid 8684] ioctl(4, LOOP_CLR_FD [pid 8679] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8684] <... ioctl resumed>) = 0 [pid 8679] <... futex resumed>) = 0 [pid 8684] close(4 [pid 8679] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8684] <... close resumed>) = 0 [pid 8684] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8683] <... futex resumed>) = 0 [pid 8684] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8683] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8682] mkdir("./bus", 000 [pid 8684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8683] <... futex resumed>) = 0 [pid 8682] <... mkdir resumed>) = 0 [ 284.875367][ T8686] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.891838][ T8686] REISERFS (device loop1): checking transaction log (loop1) [ 284.893741][ T8681] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 284.900038][ T8686] REISERFS (device loop1): Using r5 hash to sort names [ 284.915356][ T8686] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8684] mkdir("./file1", 000 [pid 8683] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8682] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8684] <... mkdir resumed>) = 0 [pid 8682] <... futex resumed>) = 1 [pid 8679] <... futex resumed>) = 0 [pid 8684] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8682] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8679] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8684] <... futex resumed>) = 1 [pid 8683] <... futex resumed>) = 0 [pid 8682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8679] <... futex resumed>) = 0 [pid 8684] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8683] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8682] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8686] <... mount resumed>) = 0 [pid 8679] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8686] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8683] <... futex resumed>) = 0 [pid 8681] <... mount resumed>) = 0 [pid 8686] <... openat resumed>) = 3 [pid 8684] mkdir("./bus", 000 [pid 8683] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8681] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8686] chdir("./bus" [pid 8684] <... mkdir resumed>) = 0 [pid 8681] <... openat resumed>) = 3 [pid 8686] <... chdir resumed>) = 0 [pid 8684] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8681] chdir("./bus" [pid 8686] ioctl(4, LOOP_CLR_FD [pid 8684] <... futex resumed>) = 1 [pid 8683] <... futex resumed>) = 0 [pid 8686] <... ioctl resumed>) = 0 [pid 8684] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8683] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8681] <... chdir resumed>) = 0 [pid 8684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8683] <... futex resumed>) = 0 [pid 8684] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8683] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8686] close(4) = 0 [pid 8681] ioctl(4, LOOP_CLR_FD [pid 8686] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8686] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8681] <... ioctl resumed>) = 0 [pid 8681] close(4) = 0 [ 284.928097][ T8686] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 284.939859][ T8682] overlayfs: upper fs needs to support d_type. [ 284.955146][ T8682] overlayfs: upper fs does not support tmpfile. [ 284.962058][ T8682] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 284.970393][ T8682] overlayfs: failed to resolve './file0': -2 [pid 8681] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8681] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8685] <... futex resumed>) = 0 [pid 8680] <... futex resumed>) = 0 [pid 8685] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8680] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8681] <... futex resumed>) = 0 [pid 8686] <... futex resumed>) = 0 [pid 8685] <... futex resumed>) = 1 [pid 8681] mkdir("./file1", 000 [pid 8680] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8686] mkdir("./file1", 000 [pid 8685] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8686] <... mkdir resumed>) = 0 [pid 8681] <... mkdir resumed>) = 0 [pid 8686] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8681] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8686] <... futex resumed>) = 1 [pid 8685] <... futex resumed>) = 0 [pid 8681] <... futex resumed>) = 1 [pid 8680] <... futex resumed>) = 0 [pid 8686] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8685] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8682] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8681] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8685] <... futex resumed>) = 0 [pid 8680] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8685] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8680] <... futex resumed>) = 0 [pid 8686] mkdir("./bus", 000 [pid 8682] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8680] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8686] <... mkdir resumed>) = 0 [pid 8682] <... futex resumed>) = 1 [pid 8681] mkdir("./bus", 000 [pid 8679] <... futex resumed>) = 0 [pid 8681] <... mkdir resumed>) = 0 [pid 8679] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8686] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8681] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8679] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8682] mkdir(".", 0777 [pid 8686] <... futex resumed>) = 1 [pid 8685] <... futex resumed>) = 0 [pid 8686] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8682] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8681] <... futex resumed>) = 1 [pid 8685] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8680] <... futex resumed>) = 0 [pid 8686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8685] <... futex resumed>) = 0 [pid 8682] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8681] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8680] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8686] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8685] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8680] <... futex resumed>) = 0 [pid 8683] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8681] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8680] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8683] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8683] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [ 284.972208][ T8684] overlayfs: upper fs needs to support d_type. [ 284.992954][ T8686] overlayfs: upper fs needs to support d_type. [ 285.001827][ T8686] overlayfs: upper fs does not support tmpfile. [ 285.005914][ T8684] overlayfs: upper fs does not support tmpfile. [ 285.016938][ T8681] overlayfs: upper fs needs to support d_type. [ 285.017182][ T8684] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8683] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8685] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8685] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8685] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8682] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8683] <... clone resumed>, parent_tid=[8691], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8691 [pid 8683] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8683] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8680] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8685] <... mprotect resumed>) = 0 [pid 8680] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8685] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8680] <... futex resumed>) = 0 [pid 8685] <... clone resumed>, parent_tid=[8692], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8692 [pid 8680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8685] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8680] <... mmap resumed>) = 0x7fe580439000 [pid 8685] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8680] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8680] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8693], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8693 [pid 8680] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8680] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8682] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8679] <... futex resumed>) = 0 [ 285.031987][ T8684] overlayfs: failed to resolve './file0': -2 [ 285.038855][ T8686] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 285.040530][ T8682] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8682] <... futex resumed>) = 1 ./strace-static-x86_64: Process 8693 attached ./strace-static-x86_64: Process 8692 attached ./strace-static-x86_64: Process 8691 attached [pid 8679] exit_group(0 [pid 8682] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8693] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8693] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8693] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8692] set_robust_list(0x7fe5804599e0, 24 [pid 8691] set_robust_list(0x7fe5804599e0, 24 [pid 8682] <... futex resumed>) = ? [pid 8679] <... exit_group resumed>) = ? [pid 8692] <... set_robust_list resumed>) = 0 [pid 8691] <... set_robust_list resumed>) = 0 [pid 8684] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8682] +++ exited with 0 +++ [pid 8684] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8684] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8679] +++ exited with 0 +++ [pid 8692] mkdir(".", 0777 [pid 8691] mkdir(".", 0777 [pid 8692] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8691] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8679, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=27 /* 0.27 s */} --- [pid 8692] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8691] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 8686] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... restart_syscall resumed>) = 0 [pid 8686] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8686] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] umount2("./221/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8693] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 285.076995][ T8681] overlayfs: upper fs does not support tmpfile. [ 285.083904][ T8686] overlayfs: failed to resolve './file0': -2 [ 285.085613][ T8681] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 285.104343][ T8693] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8691] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8691] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8691] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8693] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8692] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8683] <... futex resumed>) = 0 [pid 8693] <... futex resumed>) = 1 [pid 8683] exit_group(0 [pid 8693] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8684] <... futex resumed>) = ? [pid 8683] <... exit_group resumed>) = ? [pid 8684] +++ exited with 0 +++ [pid 8692] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8692] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8691] <... futex resumed>) = ? [pid 8685] <... futex resumed>) = 0 [pid 8680] <... futex resumed>) = 0 [pid 8691] +++ exited with 0 +++ [pid 8683] +++ exited with 0 +++ [pid 8685] exit_group(0 [pid 8686] <... futex resumed>) = ? [pid 8685] <... exit_group resumed>) = ? [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8683, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 8686] +++ exited with 0 +++ [pid 5007] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 8692] <... futex resumed>) = ? [pid 8681] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./219/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8681] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8681] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8680] exit_group(0 [pid 8693] <... futex resumed>) = ? [pid 8681] <... futex resumed>) = ? [pid 8680] <... exit_group resumed>) = ? [pid 8693] +++ exited with 0 +++ [pid 8681] +++ exited with 0 +++ [pid 8680] +++ exited with 0 +++ [pid 8692] +++ exited with 0 +++ [pid 8685] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8680, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8685, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5005] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... restart_syscall resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [ 285.122032][ T8691] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 285.122453][ T8692] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 285.138819][ T8681] overlayfs: failed to resolve './file0': -2 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, [pid 5004] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./220/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5004] umount2("./218/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = 0 [pid 5007] umount2("./219/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./219/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./219/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./219/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5007] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5007] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./219/bus") = 0 [pid 5007] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./219/binderfs") = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./219") = 0 [pid 5007] mkdir("./220", 0777) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5007] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] close(3) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8694 ./strace-static-x86_64: Process 8694 attached [pid 8694] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8694] chdir("./220") = 0 [pid 8694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 8694] setpgid(0, 0) = 0 [pid 5008] umount2("./221/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./221/bus", [pid 8694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./221/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./221/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8694] write(3, "1000", 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 8694] <... write resumed>) = 4 [pid 5008] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./221/bus") = 0 [pid 5008] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8694] close(3) = 0 [pid 8694] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8694] <... symlink resumed>) = 0 [pid 5008] lstat("./221/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./221/binderfs" [pid 8694] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 5008] <... unlink resumed>) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8694] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5008] close(3) = 0 [pid 5008] rmdir("./221" [pid 8694] <... mprotect resumed>) = 0 [pid 8694] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... rmdir resumed>) = 0 [pid 8694] <... clone resumed>, parent_tid=[8695], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8695 [pid 5008] mkdir("./222", 0777 [pid 8694] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 8694] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3./strace-static-x86_64: Process 8695 attached [pid 8695] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8695] memfd_create("syzkaller", 0) = 3 ./strace-static-x86_64: Process 8696 attached [pid 8695] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8696 [pid 5004] <... umount2 resumed>) = 0 [pid 8695] <... mmap resumed>) = 0x7fe58005a000 [pid 5005] <... umount2 resumed>) = 0 [pid 5004] umount2("./218/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8696] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5005] umount2("./220/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./220/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./220/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8696] chdir("./222" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8696] <... chdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./220/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8696] setpgid(0, 0 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8696] <... setpgid resumed>) = 0 [pid 8696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8696] <... openat resumed>) = 3 [pid 5005] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8696] write(3, "1000", 4 [pid 5005] close(4 [pid 8696] <... write resumed>) = 4 [pid 5005] <... close resumed>) = 0 [pid 8696] close(3 [pid 5005] rmdir("./220/bus" [pid 8696] <... close resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 8696] symlink("/dev/binderfs", "./binderfs" [pid 5005] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8696] <... symlink resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8696] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] lstat("./220/binderfs", [pid 8696] <... futex resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] unlink("./220/binderfs" [pid 8696] <... mmap resumed>) = 0x7fe58845a000 [pid 5005] <... unlink resumed>) = 0 [pid 8696] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5005] getdents64(3, [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8696] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] lstat("./218/bus", [pid 8696] <... clone resumed>, parent_tid=[8697], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8697 [pid 5005] close(3 [pid 8696] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... close resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8696] <... futex resumed>) = 0 [pid 8696] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] rmdir("./220") = 0 [pid 5004] umount2("./218/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] mkdir("./221", 0777) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] openat(AT_FDCWD, "./218/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... openat resumed>) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5004] <... openat resumed>) = 4 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8698 ./strace-static-x86_64: Process 8697 attached [pid 8697] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8697] memfd_create("syzkaller", 0) = 3 [pid 8697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./218/bus") = 0 [pid 5004] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./218/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./218/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./218") = 0 [pid 5004] mkdir("./219", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 8698 attached [pid 5004] close(3 [pid 8698] set_robust_list(0x5555568c85e0, 24 [pid 5004] <... close resumed>) = 0 [pid 8697] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8698] <... set_robust_list resumed>) = 0 [pid 8698] chdir("./221" [pid 5004] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8699 [pid 8698] <... chdir resumed>) = 0 [pid 8698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8695] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8698] setpgid(0, 0) = 0 [pid 8698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8698] write(3, "1000", 4) = 4 [pid 8698] close(3) = 0 [pid 8698] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8698] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8698] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8698] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8699 attached , parent_tid=[8700], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8700 [pid 8698] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8698] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8699] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8699] chdir("./219") = 0 [pid 8699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8699] setpgid(0, 0) = 0 [pid 8699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8699] write(3, "1000", 4) = 4 [pid 8699] close(3./strace-static-x86_64: Process 8700 attached ) = 0 [pid 8700] set_robust_list(0x7fe58847a9e0, 24 [pid 8699] symlink("/dev/binderfs", "./binderfs" [pid 8700] <... set_robust_list resumed>) = 0 [pid 8699] <... symlink resumed>) = 0 [pid 8700] memfd_create("syzkaller", 0 [pid 8699] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8700] <... memfd_create resumed>) = 3 [pid 8699] <... futex resumed>) = 0 [pid 8700] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8700] <... mmap resumed>) = 0x7fe58005a000 [pid 8699] <... mmap resumed>) = 0x7fe58845a000 [pid 8699] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8699] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8701], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8701 [pid 8699] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8699] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8701 attached [pid 8701] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8701] memfd_create("syzkaller", 0) = 3 [pid 8701] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 8695] <... write resumed>) = 4194304 [pid 8695] munmap(0x7fe58005a000, 4194304) = 0 [pid 8695] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8695] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8695] close(3) = 0 [pid 8695] mkdir("./bus", 0777) = 0 [pid 8695] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8697] <... write resumed>) = 4194304 [pid 8697] munmap(0x7fe58005a000, 4194304) = 0 [pid 8697] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8697] ioctl(4, LOOP_SET_FD, 3 [pid 8700] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8697] <... ioctl resumed>) = 0 [pid 8697] close(3) = 0 [pid 8697] mkdir("./bus", 0777) = 0 [pid 8697] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 285.511870][ T8695] loop4: detected capacity change from 0 to 8192 [ 285.532052][ T8695] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.544519][ T8697] loop5: detected capacity change from 0 to 8192 [ 285.557953][ T8695] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 285.567453][ T8695] REISERFS (device loop4): using ordered data mode [ 285.574716][ T8697] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.587907][ T8695] reiserfs: using flush barriers [ 285.593013][ T8697] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 8701] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8700] <... write resumed>) = 4194304 [pid 8700] munmap(0x7fe58005a000, 4194304) = 0 [pid 8700] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 285.603752][ T8695] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 285.620430][ T8697] REISERFS (device loop5): using ordered data mode [ 285.627179][ T8697] reiserfs: using flush barriers [ 285.641823][ T8695] REISERFS (device loop4): checking transaction log (loop4) [pid 8700] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8701] <... write resumed>) = 4194304 [pid 8701] munmap(0x7fe58005a000, 4194304 [pid 8700] close(3) = 0 [pid 8700] mkdir("./bus", 0777) = 0 [pid 8700] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8701] <... munmap resumed>) = 0 [ 285.649550][ T8697] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 285.654789][ T8700] loop2: detected capacity change from 0 to 8192 [ 285.676990][ T8695] REISERFS (device loop4): Using r5 hash to sort names [ 285.678440][ T8697] REISERFS (device loop5): checking transaction log (loop5) [ 285.685256][ T8695] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8701] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 285.692704][ T8700] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.704362][ T8695] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 285.717946][ T8700] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 285.736041][ T8700] REISERFS (device loop2): using ordered data mode [ 285.736401][ T8697] REISERFS (device loop5): Using r5 hash to sort names [ 285.743044][ T8700] reiserfs: using flush barriers [ 285.750562][ T8701] loop1: detected capacity change from 0 to 8192 [pid 8701] ioctl(4, LOOP_SET_FD, 3 [pid 8695] <... mount resumed>) = 0 [pid 8695] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8701] <... ioctl resumed>) = 0 [pid 8701] close(3) = 0 [pid 8701] mkdir("./bus", 0777) = 0 [pid 8701] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8695] <... openat resumed>) = 3 [pid 8697] <... mount resumed>) = 0 [pid 8697] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8697] chdir("./bus") = 0 [pid 8697] ioctl(4, LOOP_CLR_FD) = 0 [pid 8697] close(4 [ 285.761158][ T8700] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 285.763024][ T8697] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 285.778018][ T8700] REISERFS (device loop2): checking transaction log (loop2) [ 285.796002][ T8697] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 285.798803][ T8700] REISERFS (device loop2): Using r5 hash to sort names [pid 8695] chdir("./bus") = 0 [pid 8697] <... close resumed>) = 0 [pid 8697] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8696] <... futex resumed>) = 0 [pid 8696] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8696] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8697] <... futex resumed>) = 1 [pid 8697] mkdir("./file1", 000) = 0 [pid 8697] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8696] <... futex resumed>) = 0 [pid 8696] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8696] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8697] <... futex resumed>) = 1 [pid 8697] mkdir("./bus", 000) = 0 [pid 8697] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8696] <... futex resumed>) = 0 [pid 8696] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8696] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8697] <... futex resumed>) = 1 [pid 8697] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8695] ioctl(4, LOOP_CLR_FD) = 0 [pid 8695] close(4) = 0 [pid 8695] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8694] <... futex resumed>) = 0 [pid 8695] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [ 285.814388][ T8701] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.814398][ T8700] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.842782][ T8700] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 285.852576][ T8701] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8694] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8700] <... mount resumed>) = 0 [pid 8695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8694] <... futex resumed>) = 0 [pid 8700] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8695] mkdir("./file1", 000 [pid 8694] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8700] <... openat resumed>) = 3 [pid 8695] <... mkdir resumed>) = 0 [pid 8700] chdir("./bus" [pid 8696] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8695] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8700] <... chdir resumed>) = 0 [pid 8696] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8695] <... futex resumed>) = 1 [pid 8694] <... futex resumed>) = 0 [pid 8700] ioctl(4, LOOP_CLR_FD [pid 8696] <... futex resumed>) = 0 [ 285.861901][ T8701] REISERFS (device loop1): using ordered data mode [ 285.868421][ T8701] reiserfs: using flush barriers [ 285.872473][ T8697] overlayfs: upper fs needs to support d_type. [ 285.879845][ T8701] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 285.900212][ T8701] REISERFS (device loop1): checking transaction log (loop1) [pid 8695] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8694] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8700] <... ioctl resumed>) = 0 [pid 8696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8694] <... futex resumed>) = 0 [pid 8700] close(4 [pid 8696] <... mmap resumed>) = 0x7fe580439000 [pid 8695] mkdir("./bus", 000 [pid 8694] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8700] <... close resumed>) = 0 [pid 8696] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8695] <... mkdir resumed>) = 0 [pid 8700] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8696] <... mprotect resumed>) = 0 [pid 8695] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8700] <... futex resumed>) = 1 [pid 8696] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8695] <... futex resumed>) = 1 [pid 8694] <... futex resumed>) = 0 [pid 8700] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8695] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8694] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8696] <... clone resumed>, parent_tid=[8706], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8706 [pid 8695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8694] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8706 attached [pid 8698] <... futex resumed>) = 0 [pid 8701] <... mount resumed>) = 0 [pid 8696] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8695] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8694] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8706] set_robust_list(0x7fe5804599e0, 24 [pid 8701] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8698] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8696] <... futex resumed>) = 0 [ 285.908505][ T8701] REISERFS (device loop1): Using r5 hash to sort names [ 285.913399][ T8697] overlayfs: upper fs does not support tmpfile. [ 285.919899][ T8701] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 285.934759][ T8701] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 285.949005][ T8695] overlayfs: upper fs needs to support d_type. [ 285.953348][ T8697] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8696] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8706] <... set_robust_list resumed>) = 0 [pid 8701] <... openat resumed>) = 3 [pid 8700] <... futex resumed>) = 0 [pid 8698] <... futex resumed>) = 1 [pid 8700] mkdir("./file1", 000 [pid 8706] mkdir(".", 0777 [pid 8701] chdir("./bus" [pid 8700] <... mkdir resumed>) = 0 [pid 8698] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8706] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8701] <... chdir resumed>) = 0 [pid 8700] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8700] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8706] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8701] ioctl(4, LOOP_CLR_FD) = 0 [pid 8698] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8701] close(4 [pid 8700] <... futex resumed>) = 0 [pid 8698] <... futex resumed>) = 1 [pid 8697] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8694] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8700] mkdir("./bus", 000 [pid 8694] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8700] <... mkdir resumed>) = 0 [pid 8694] <... futex resumed>) = 0 [ 285.961605][ T8695] overlayfs: upper fs does not support tmpfile. [ 285.963656][ T8697] overlayfs: failed to resolve './file0': -2 [ 285.975538][ T8695] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 285.995606][ T8706] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8700] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8701] <... close resumed>) = 0 [pid 8700] <... futex resumed>) = 0 [pid 8698] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8697] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8694] <... mmap resumed>) = 0x7fe580439000 [pid 8700] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8694] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8706] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8701] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8697] <... futex resumed>) = 0 [pid 8695] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8694] <... mprotect resumed>) = 0 [pid 8706] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8701] <... futex resumed>) = 1 [pid 8699] <... futex resumed>) = 0 [pid 8698] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8697] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8695] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8694] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8706] <... futex resumed>) = 1 [pid 8701] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8700] <... futex resumed>) = 0 [pid 8699] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8698] <... futex resumed>) = 1 [pid 8696] <... futex resumed>) = 0 [ 285.999237][ T8695] overlayfs: failed to resolve './file0': -2 [pid 8695] <... futex resumed>) = 0 [pid 8706] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8700] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8699] <... futex resumed>) = 0 [pid 8698] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8696] exit_group(0 [pid 8695] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8694] <... clone resumed>, parent_tid=[8707], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8707 ./strace-static-x86_64: Process 8707 attached [pid 8706] <... futex resumed>) = ? [pid 8701] mkdir("./file1", 000 [pid 8699] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8697] <... futex resumed>) = ? [pid 8696] <... exit_group resumed>) = ? [pid 8694] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8707] set_robust_list(0x7fe5804599e0, 24 [pid 8706] +++ exited with 0 +++ [pid 8701] <... mkdir resumed>) = 0 [pid 8697] +++ exited with 0 +++ [pid 8696] +++ exited with 0 +++ [pid 8694] <... futex resumed>) = 0 [pid 8694] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8696, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 8707] <... set_robust_list resumed>) = 0 [pid 8707] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8707] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8701] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8701] <... futex resumed>) = 1 [pid 8699] <... futex resumed>) = 0 [pid 8699] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(3, [pid 8699] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 8699] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] umount2("./222/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8701] mkdir("./bus", 000) = 0 [pid 8701] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8699] <... futex resumed>) = 0 [pid 8701] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8699] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8699] <... futex resumed>) = 0 [pid 8701] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8699] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8707] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 286.039335][ T8700] overlayfs: upper fs needs to support d_type. [ 286.050890][ T8700] overlayfs: upper fs does not support tmpfile. [ 286.059209][ T8700] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 286.060607][ T8707] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 286.068067][ T8700] overlayfs: failed to resolve './file0': -2 [pid 8707] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8694] <... futex resumed>) = 0 [pid 8694] exit_group(0) = ? [pid 8707] <... futex resumed>) = ? [pid 8707] +++ exited with 0 +++ [pid 8695] <... futex resumed>) = ? [pid 8695] +++ exited with 0 +++ [pid 8698] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8694] +++ exited with 0 +++ [pid 8698] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8694, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5007] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] fstat(3, [pid 8698] <... mmap resumed>) = 0x7fe580439000 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8698] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./220/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8700] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8700] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8700] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8698] <... mprotect resumed>) = 0 [pid 8698] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8708 attached [pid 8708] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8708] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8698] <... clone resumed>, parent_tid=[8708], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8708 [pid 8698] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8708] <... futex resumed>) = 0 [pid 8708] mkdir(".", 0777 [pid 8698] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8708] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8708] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8701] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8701] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8699] <... futex resumed>) = 0 [pid 8699] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8699] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8701] <... futex resumed>) = 1 [ 286.095881][ T8701] overlayfs: upper fs needs to support d_type. [ 286.102809][ T8701] overlayfs: upper fs does not support tmpfile. [ 286.110799][ T8701] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 286.120794][ T8701] overlayfs: failed to resolve './file0': -2 [pid 8701] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8701] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8708] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8708] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8698] <... futex resumed>) = 0 [pid 8708] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8698] exit_group(0) = ? [pid 8700] <... futex resumed>) = ? [pid 8708] <... futex resumed>) = ? [pid 8708] +++ exited with 0 +++ [pid 8700] +++ exited with 0 +++ [pid 8698] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8698, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5005] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] umount2("./221/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./222/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./222/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./222/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./222/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./222/bus") = 0 [pid 8701] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = 0 [ 286.133708][ T8708] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 286.161382][ T8701] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8701] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./220/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8701] <... futex resumed>) = 1 [pid 8699] <... futex resumed>) = 0 [pid 5008] lstat("./222/binderfs", [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8701] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8699] exit_group(0 [pid 8701] <... futex resumed>) = ? [pid 8699] <... exit_group resumed>) = ? [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] lstat("./220/bus", [pid 8701] +++ exited with 0 +++ [pid 8699] +++ exited with 0 +++ [pid 5008] unlink("./222/binderfs" [pid 5007] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8699, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5008] <... unlink resumed>) = 0 [pid 5007] umount2("./220/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5008] getdents64(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... restart_syscall resumed>) = 0 [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] openat(AT_FDCWD, "./220/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] close(3 [pid 5007] <... openat resumed>) = 4 [pid 5008] <... close resumed>) = 0 [pid 5007] fstat(4, [pid 5004] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] rmdir("./222" [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... rmdir resumed>) = 0 [pid 5007] getdents64(4, [pid 5004] <... openat resumed>) = 3 [pid 5008] mkdir("./223", 0777 [pid 5004] fstat(3, [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] getdents64(4, [pid 5004] getdents64(3, [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5008] <... openat resumed>) = 3 [pid 5007] close(4 [pid 5004] umount2("./219/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5007] <... close resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] rmdir("./220/bus" [pid 5008] close(3) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8709 [pid 5007] lstat("./220/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./220/binderfs") = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 8709 attached [pid 5007] close(3) = 0 [pid 8709] set_robust_list(0x5555568c85e0, 24 [pid 5007] rmdir("./220" [pid 8709] <... set_robust_list resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] umount2("./221/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8709] chdir("./223" [pid 5007] mkdir("./221", 0777 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8709] <... chdir resumed>) = 0 [pid 8709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... mkdir resumed>) = 0 [pid 5005] lstat("./221/bus", [pid 8709] <... prctl resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8709] setpgid(0, 0 [pid 5007] <... openat resumed>) = 3 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8709] <... setpgid resumed>) = 0 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 5005] umount2("./221/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] close(3 [pid 8709] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./221/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8709] write(3, "1000", 4 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8709] <... write resumed>) = 4 [pid 5005] <... openat resumed>) = 4 [pid 8709] close(3 [pid 5005] fstat(4, [pid 8709] <... close resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8710 [pid 8709] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8709] <... symlink resumed>) = 0 [pid 5005] getdents64(4, [pid 8709] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 8709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] getdents64(4, [pid 8709] <... mmap resumed>) = 0x7fe58845a000 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8709] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] close(4./strace-static-x86_64: Process 8710 attached [pid 8709] <... mprotect resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 8709] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] rmdir("./221/bus") = 0 [pid 8709] <... clone resumed>, parent_tid=[8711], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8711 [pid 5005] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8709] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8709] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] lstat("./221/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./221/binderfs"./strace-static-x86_64: Process 8711 attached [pid 8710] set_robust_list(0x5555568c85e0, 24 [pid 5005] <... unlink resumed>) = 0 [pid 8711] set_robust_list(0x7fe58847a9e0, 24 [pid 8710] <... set_robust_list resumed>) = 0 [pid 5005] getdents64(3, [pid 8711] <... set_robust_list resumed>) = 0 [pid 8710] chdir("./221" [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 8711] memfd_create("syzkaller", 0 [pid 8710] <... chdir resumed>) = 0 [pid 5005] close(3 [pid 8711] <... memfd_create resumed>) = 3 [pid 8710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... close resumed>) = 0 [pid 8711] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8710] <... prctl resumed>) = 0 [pid 5005] rmdir("./221" [pid 8711] <... mmap resumed>) = 0x7fe58005a000 [pid 8710] setpgid(0, 0) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 8710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] mkdir("./222", 0777 [pid 8710] <... openat resumed>) = 3 [pid 5005] <... mkdir resumed>) = 0 [pid 8710] write(3, "1000", 4 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8710] <... write resumed>) = 4 [pid 8710] close(3 [pid 5005] <... openat resumed>) = 3 [pid 8710] <... close resumed>) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 8710] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8710] <... symlink resumed>) = 0 [pid 5005] close(3 [pid 8710] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... close resumed>) = 0 [pid 8710] <... futex resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8710] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8712 [pid 8710] <... mprotect resumed>) = 0 [pid 8710] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8713], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8713 [pid 8710] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8710] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8712 attached ./strace-static-x86_64: Process 8713 attached [pid 8712] set_robust_list(0x5555568c85e0, 24 [pid 8713] set_robust_list(0x7fe58847a9e0, 24 [pid 8712] <... set_robust_list resumed>) = 0 [pid 8713] <... set_robust_list resumed>) = 0 [pid 8712] chdir("./222" [pid 8713] memfd_create("syzkaller", 0) = 3 [pid 8712] <... chdir resumed>) = 0 [pid 8713] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8713] <... mmap resumed>) = 0x7fe58005a000 [pid 8712] <... prctl resumed>) = 0 [pid 8712] setpgid(0, 0) = 0 [pid 8712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8712] write(3, "1000", 4) = 4 [pid 8712] close(3) = 0 [pid 8711] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8712] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8712] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8712] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8712] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8714], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8714 [pid 8712] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8712] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8714 attached [pid 8714] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 8714] memfd_create("syzkaller", 0) = 3 [pid 8714] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [pid 5004] umount2("./219/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./219/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./219/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./219/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./219/bus") = 0 [pid 5004] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./219/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./219" [pid 8713] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... rmdir resumed>) = 0 [pid 5004] mkdir("./220", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [ 286.391196][ T28] INFO: task kworker/u4:2:41 blocked for more than 143 seconds. [ 286.406816][ T28] Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 286.431149][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8715 ./strace-static-x86_64: Process 8715 attached [pid 8715] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8715] chdir("./220") = 0 [pid 8715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8715] setpgid(0, 0) = 0 [pid 8715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8715] write(3, "1000", 4) = 4 [pid 8715] close(3) = 0 [pid 8715] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8715] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8711] <... write resumed>) = 4194304 [pid 8715] <... mmap resumed>) = 0x7fe58845a000 [pid 8711] munmap(0x7fe58005a000, 4194304 [pid 8715] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8715] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8716], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8716 [pid 8715] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8715] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8711] <... munmap resumed>) = 0 [pid 8711] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8714] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8711] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 8716 attached [pid 8716] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8716] memfd_create("syzkaller", 0) = 3 [pid 8716] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 286.449264][ T28] task:kworker/u4:2 state:D stack:23352 pid:41 ppid:2 flags:0x00004000 [ 286.473741][ T28] Workqueue: writeback wb_workfn (flush-7:0) [ 286.480405][ T28] Call Trace: [ 286.484251][ T8711] loop5: detected capacity change from 0 to 8192 [pid 8711] <... ioctl resumed>) = 0 [pid 8711] close(3) = 0 [pid 8711] mkdir("./bus", 0777) = 0 [ 286.499449][ T28] [ 286.510458][ T28] __schedule+0x1d15/0x5790 [ 286.529682][ T28] ? io_schedule_timeout+0x150/0x150 [ 286.530306][ T8711] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8711] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8714] <... write resumed>) = 4194304 [pid 8714] munmap(0x7fe58005a000, 4194304) = 0 [pid 8714] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8714] ioctl(4, LOOP_SET_FD, 3 [pid 8713] <... write resumed>) = 4194304 [pid 8714] <... ioctl resumed>) = 0 [pid 8714] close(3) = 0 [pid 8714] mkdir("./bus", 0777) = 0 [pid 8714] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8713] munmap(0x7fe58005a000, 4194304) = 0 [ 286.549131][ T28] ? blk_mq_requeue_work+0x840/0x840 [ 286.560625][ T8714] loop2: detected capacity change from 0 to 8192 [ 286.569886][ T28] schedule+0xde/0x1a0 [ 286.576099][ T8711] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 286.581257][ T28] queue_log_writer+0x293/0x2f0 [ 286.586714][ T8711] REISERFS (device loop5): using ordered data mode [pid 8713] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8716] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8713] <... openat resumed>) = 4 [ 286.597157][ T28] ? free_cnode+0x1e0/0x1e0 [ 286.598288][ T8711] reiserfs: using flush barriers [ 286.604258][ T28] ? wake_up_state+0x10/0x10 [ 286.607111][ T8714] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 286.621228][ T28] ? __brelse+0x88/0xa0 [ 286.627660][ T8711] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8713] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8713] close(3) = 0 [pid 8713] mkdir("./bus", 0777) = 0 [ 286.628758][ T8713] loop4: detected capacity change from 0 to 8192 [ 286.650994][ T8714] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 286.660602][ T8714] REISERFS (device loop2): using ordered data mode [ 286.667450][ T8714] reiserfs: using flush barriers [ 286.670751][ T28] do_journal_end+0x908/0x4af0 [ 286.673699][ T8714] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 286.694113][ T8713] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 286.694236][ T8714] REISERFS (device loop2): checking transaction log (loop2) [ 286.712422][ T28] ? reiserfs_prepare_for_journal+0x2b0/0x2b0 [ 286.715441][ T8714] REISERFS (device loop2): Using r5 hash to sort names [ 286.725945][ T28] reiserfs_write_inode+0x27e/0x2d0 [ 286.727644][ T8714] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8713] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8714] <... mount resumed>) = 0 [pid 8714] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8714] chdir("./bus") = 0 [pid 8714] ioctl(4, LOOP_CLR_FD) = 0 [ 286.745467][ T8714] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 286.746063][ T8713] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 286.755282][ T8711] REISERFS (device loop5): checking transaction log (loop5) [ 286.770187][ T28] ? reiserfs_encode_fh+0x5e0/0x5e0 [ 286.771686][ T8713] REISERFS (device loop4): using ordered data mode [ 286.780277][ T8711] REISERFS (device loop5): Using r5 hash to sort names [ 286.783099][ T8713] reiserfs: using flush barriers [ 286.796543][ T28] ? spin_bug+0x1c0/0x1c0 [ 286.798633][ T8713] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 286.801065][ T28] ? lock_acquire+0x32/0xc0 [ 286.817632][ T8711] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 286.821525][ T28] ? __writeback_single_inode+0x255/0xdb0 [ 286.840136][ T28] __writeback_single_inode+0x9f2/0xdb0 [ 286.845776][ T28] writeback_sb_inodes+0x54d/0xe70 [pid 8714] close(4) = 0 [pid 8714] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8712] <... futex resumed>) = 0 [pid 8714] <... futex resumed>) = 1 [pid 8714] mkdir("./file1", 000 [pid 8712] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8716] <... write resumed>) = 4194304 [pid 8714] <... mkdir resumed>) = 0 [pid 8712] <... futex resumed>) = 0 [pid 8716] munmap(0x7fe58005a000, 4194304) = 0 [pid 8716] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8714] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8712] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8716] ioctl(4, LOOP_SET_FD, 3 [pid 8714] <... futex resumed>) = 0 [pid 8712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8716] <... ioctl resumed>) = 0 [ 286.850936][ T28] ? sync_inode_metadata+0xe0/0xe0 [ 286.856232][ T28] ? rcu_is_watching+0x12/0xb0 [ 286.861053][ T28] ? queue_io+0x386/0x4e0 [ 286.866053][ T28] wb_writeback+0x155/0xa40 [ 286.871091][ T28] ? __writeback_inodes_wb+0x280/0x280 [ 286.877014][ T28] ? lock_downgrade+0x690/0x690 [ 286.882684][ T28] ? mark_held_locks+0x9f/0xe0 [ 286.887844][ T28] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.890736][ T8716] loop1: detected capacity change from 0 to 8192 [pid 8716] close(3) = 0 [pid 8716] mkdir("./bus", 0777) = 0 [pid 8714] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8712] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8716] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8712] <... futex resumed>) = 0 [pid 8714] mkdir("./bus", 000 [pid 8712] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8714] <... mkdir resumed>) = 0 [pid 8711] <... mount resumed>) = 0 [pid 8711] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8711] chdir("./bus") = 0 [ 286.893695][ T28] wb_workfn+0x2a5/0xcc0 [ 286.904242][ T28] ? lock_acquire+0x32/0xc0 [ 286.909344][ T28] ? inode_wait_for_writeback+0x40/0x40 [ 286.912419][ T8711] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 286.915475][ T28] ? lock_sync+0x190/0x190 [ 286.926022][ T8713] REISERFS (device loop4): checking transaction log (loop4) [ 286.929118][ T28] ? rcu_is_watching+0x12/0xb0 [pid 8711] ioctl(4, LOOP_CLR_FD [pid 8714] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8712] <... futex resumed>) = 0 [pid 8714] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8712] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8712] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8711] <... ioctl resumed>) = 0 [pid 8711] close(4) = 0 [ 286.940422][ T8716] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 286.941273][ T28] ? trace_lock_acquire+0x12d/0x180 [ 286.956850][ T8714] overlayfs: upper fs needs to support d_type. [ 286.958971][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 286.969239][ T8713] REISERFS (device loop4): Using r5 hash to sort names [ 286.971258][ T28] ? process_one_work+0x8b7/0x15e0 [ 286.983038][ T28] ? lock_acquire+0x32/0xc0 [ 286.987576][ T28] ? process_one_work+0x8b7/0x15e0 [ 286.993056][ T28] process_one_work+0x99a/0x15e0 [pid 8711] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8709] <... futex resumed>) = 0 [pid 8709] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8709] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8712] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8711] mkdir("./file1", 000 [pid 8712] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8711] <... mkdir resumed>) = 0 [pid 8712] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8711] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8712] <... mprotect resumed>) = 0 [pid 8711] <... futex resumed>) = 1 [pid 8709] <... futex resumed>) = 0 [pid 8712] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8711] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8709] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8709] <... futex resumed>) = 0 [pid 8712] <... clone resumed>, parent_tid=[8721], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8721 [pid 8711] mkdir("./bus", 000 [pid 8709] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8721 attached [pid 8712] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8711] <... mkdir resumed>) = 0 [pid 8712] <... futex resumed>) = 0 [ 286.998049][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 287.003897][ T28] ? rcu_is_watching+0x12/0xb0 [ 287.009085][ T28] ? spin_bug+0x1c0/0x1c0 [ 287.013530][ T28] ? lock_acquire+0x32/0xc0 [ 287.018123][ T28] ? worker_thread+0x16d/0x10c0 [ 287.023508][ T28] worker_thread+0x67d/0x10c0 [ 287.028688][ T28] ? process_one_work+0x15e0/0x15e0 [ 287.031253][ T8714] overlayfs: upper fs does not support tmpfile. [ 287.034346][ T28] kthread+0x344/0x440 [ 287.044924][ T28] ? kthread_complete_and_exit+0x40/0x40 [pid 8711] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8721] set_robust_list(0x7fe5804599e0, 24 [pid 8712] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8711] <... futex resumed>) = 1 [pid 8709] <... futex resumed>) = 0 [pid 8711] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8709] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8709] <... futex resumed>) = 0 [pid 8721] <... set_robust_list resumed>) = 0 [pid 8711] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8709] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 287.050871][ T28] ret_from_fork+0x1f/0x30 [ 287.055511][ T28] [ 287.058603][ T28] INFO: task kworker/u4:5:1041 blocked for more than 144 seconds. [ 287.062710][ T8714] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 287.066774][ T28] Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 287.075552][ T8711] overlayfs: upper fs needs to support d_type. [ 287.080594][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [pid 8721] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8721] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8709] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8709] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [ 287.091714][ T8716] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 287.096284][ T28] task:kworker/u4:5 state:D stack:27368 pid:1041 ppid:2 flags:0x00004000 [ 287.111730][ T8713] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 287.113935][ T28] Workqueue: writeback wb_workfn (flush-7:3) [ 287.127728][ T8716] REISERFS (device loop1): using ordered data mode [pid 8709] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8709] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8722], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8722 [pid 8709] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8709] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8722 attached [pid 8722] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8722] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8722] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8721] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 287.136843][ T8721] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 287.154313][ T28] Call Trace: [ 287.157147][ T8713] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 287.158189][ T28] [ 287.170457][ T8711] overlayfs: upper fs does not support tmpfile. [ 287.172220][ T8714] overlayfs: failed to resolve './file0': -2 [ 287.183624][ T28] __schedule+0x1d15/0x5790 [ 287.185536][ T8716] reiserfs: using flush barriers [ 287.188974][ T28] ? reiserfs_write_unlock_nested+0xb6/0xf0 [pid 8721] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8712] <... futex resumed>) = 0 [pid 8721] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8713] <... mount resumed>) = 0 [pid 8713] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8713] chdir("./bus") = 0 [pid 8713] ioctl(4, LOOP_CLR_FD) = 0 [pid 8713] close(4) = 0 [pid 8713] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 287.195948][ T8711] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 287.200180][ T28] ? lock_downgrade+0x690/0x690 [ 287.207044][ T8722] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 287.211787][ T28] ? io_schedule_timeout+0x150/0x150 [ 287.231784][ T28] ? wait_for_completion_io_timeout+0x20/0x20 [ 287.238470][ T28] ? mark_held_locks+0x9f/0xe0 [ 287.244374][ T28] schedule+0xde/0x1a0 [pid 8713] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8710] <... futex resumed>) = 0 [pid 8710] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8713] <... futex resumed>) = 0 [pid 8710] <... futex resumed>) = 1 [pid 8713] mkdir("./file1", 000) = 0 [pid 8713] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8713] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8710] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8710] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8713] <... futex resumed>) = 0 [pid 8713] mkdir("./bus", 000) = 0 [pid 8713] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8713] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8710] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8710] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8713] <... futex resumed>) = 0 [pid 8710] <... futex resumed>) = 1 [pid 8713] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 287.249741][ T8716] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 287.267070][ T28] queue_log_writer+0x293/0x2f0 [ 287.273364][ T28] ? free_cnode+0x1e0/0x1e0 [ 287.278323][ T28] ? wake_up_state+0x10/0x10 [ 287.284481][ T8716] REISERFS (device loop1): checking transaction log (loop1) [ 287.287653][ T8713] overlayfs: upper fs needs to support d_type. [ 287.292355][ T28] ? __brelse+0x88/0xa0 [pid 8710] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8722] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8722] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8709] <... futex resumed>) = 0 [ 287.299207][ T8713] overlayfs: upper fs does not support tmpfile. [ 287.303310][ T8716] REISERFS (device loop1): Using r5 hash to sort names [ 287.315757][ T28] do_journal_end+0x908/0x4af0 [ 287.316167][ T8713] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 287.320759][ T28] ? reiserfs_prepare_for_journal+0x2b0/0x2b0 [ 287.329561][ T8711] overlayfs: failed to resolve './file0': -2 [ 287.334410][ T8716] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8722] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8710] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8710] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8716] <... mount resumed>) = 0 [pid 8716] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8716] chdir("./bus") = 0 [pid 8716] ioctl(4, LOOP_CLR_FD) = 0 [pid 8716] close(4 [ 287.347332][ T8713] overlayfs: failed to resolve './file0': -2 [ 287.353052][ T28] reiserfs_write_inode+0x27e/0x2d0 [ 287.359540][ T8716] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 287.364097][ T28] ? reiserfs_encode_fh+0x5e0/0x5e0 [ 287.378559][ T28] ? spin_bug+0x1c0/0x1c0 [ 287.384570][ T28] ? lock_acquire+0x32/0xc0 [ 287.389181][ T28] ? __writeback_single_inode+0x255/0xdb0 [ 287.395287][ T28] __writeback_single_inode+0x9f2/0xdb0 [pid 8710] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8710] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8723 attached [pid 8723] set_robust_list(0x7fe5804599e0, 24 [pid 8710] <... clone resumed>, parent_tid=[8723], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8723 [pid 8716] <... close resumed>) = 0 [pid 8716] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8715] <... futex resumed>) = 0 [pid 8715] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8715] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8716] <... futex resumed>) = 1 [pid 8716] mkdir("./file1", 000) = 0 [pid 8710] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8723] <... set_robust_list resumed>) = 0 [pid 8716] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8715] <... futex resumed>) = 0 [pid 8715] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8715] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8716] <... futex resumed>) = 1 [pid 8716] mkdir("./bus", 000) = 0 [pid 8716] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8715] <... futex resumed>) = 0 [pid 8715] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8715] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8716] <... futex resumed>) = 1 [pid 8716] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8723] mkdir(".", 0777 [pid 8710] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8723] <... mkdir resumed>) = -1 EEXIST (File exists) [ 287.400865][ T28] writeback_sb_inodes+0x54d/0xe70 [ 287.407923][ T28] ? sync_inode_metadata+0xe0/0xe0 [ 287.414058][ T28] ? rcu_is_watching+0x12/0xb0 [ 287.419258][ T8716] overlayfs: upper fs needs to support d_type. [ 287.419310][ T8716] overlayfs: upper fs does not support tmpfile. [ 287.419815][ T8716] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 287.426300][ T28] ? queue_io+0x386/0x4e0 [ 287.444089][ T28] wb_writeback+0x155/0xa40 [pid 8723] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8715] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8715] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8715] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8715] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8724], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8724 [pid 8715] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8715] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8724 attached [pid 8723] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8723] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8723] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8724] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8724] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8724] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8710] <... futex resumed>) = 0 [ 287.448137][ T8716] overlayfs: failed to resolve './file0': -2 [ 287.449314][ T28] ? __writeback_inodes_wb+0x280/0x280 [ 287.459800][ T8723] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 287.460228][ T28] ? lock_downgrade+0x690/0x690 [ 287.480370][ T28] ? mark_held_locks+0x9f/0xe0 [ 287.486230][ T28] ? _raw_spin_unlock_irq+0x23/0x50 [pid 8724] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8724] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8715] <... futex resumed>) = 0 [pid 8724] <... futex resumed>) = 1 [ 287.490487][ T8724] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 287.491693][ T28] wb_workfn+0x2a5/0xcc0 [ 287.510495][ T28] ? lock_acquire+0x32/0xc0 [ 287.515798][ T28] ? inode_wait_for_writeback+0x40/0x40 [ 287.521786][ T28] ? lock_sync+0x190/0x190 [ 287.526262][ T28] ? rcu_is_watching+0x12/0xb0 [ 287.531055][ T28] ? trace_lock_acquire+0x12d/0x180 [ 287.536433][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 287.542516][ T28] ? process_one_work+0x8b7/0x15e0 [ 287.547652][ T28] ? lock_acquire+0x32/0xc0 [ 287.552229][ T28] ? process_one_work+0x8b7/0x15e0 [ 287.557382][ T28] process_one_work+0x99a/0x15e0 [ 287.562464][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 287.567876][ T28] ? rcu_is_watching+0x12/0xb0 [ 287.572740][ T28] ? spin_bug+0x1c0/0x1c0 [ 287.577145][ T28] ? lock_acquire+0x32/0xc0 [ 287.581744][ T28] ? worker_thread+0x16d/0x10c0 [ 287.586638][ T28] worker_thread+0x67d/0x10c0 [ 287.591440][ T28] ? process_one_work+0x15e0/0x15e0 [ 287.596667][ T28] kthread+0x344/0x440 [pid 8724] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8714] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8716] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8714] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8713] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8711] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8716] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8713] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8716] <... futex resumed>) = 0 [pid 8715] exit_group(0 [pid 8713] <... futex resumed>) = 0 [pid 8724] <... futex resumed>) = ? [pid 8715] <... exit_group resumed>) = ? [pid 8713] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8712] exit_group(0 [pid 8710] exit_group(0 [pid 8724] +++ exited with 0 +++ [pid 8723] <... futex resumed>) = ? [pid 8716] +++ exited with 0 +++ [pid 8715] +++ exited with 0 +++ [pid 8713] <... futex resumed>) = ? [pid 8712] <... exit_group resumed>) = ? [pid 8711] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8710] <... exit_group resumed>) = ? [pid 8723] +++ exited with 0 +++ [pid 8713] +++ exited with 0 +++ [pid 8710] +++ exited with 0 +++ [pid 8709] exit_group(0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8710, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8715, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 8722] <... futex resumed>) = ? [pid 8709] <... exit_group resumed>) = ? [pid 5004] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8722] +++ exited with 0 +++ [pid 8721] <... futex resumed>) = ? [pid 8714] <... futex resumed>) = ? [pid 8711] <... futex resumed>) = ? [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, [pid 5007] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] getdents64(3, [pid 5007] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] <... openat resumed>) = 3 [pid 5004] umount2("./220/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./221/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8721] +++ exited with 0 +++ [pid 8711] +++ exited with 0 +++ [pid 8709] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8709, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 8714] +++ exited with 0 +++ [pid 8712] +++ exited with 0 +++ [ 287.600740][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 287.606448][ T28] ret_from_fork+0x1f/0x30 [ 287.610918][ T28] [ 287.614461][ T28] INFO: task syz-executor133:5112 blocked for more than 144 seconds. [ 287.623228][ T28] Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 287.631509][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.641063][ T28] task:syz-executor133 state:D stack:24752 pid:5112 ppid:5003 flags:0x00004006 [pid 5008] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8712, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5008] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5008] <... openat resumed>) = 3 [pid 5005] <... restart_syscall resumed>) = 0 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 5005] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./223/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 287.655177][ T28] Call Trace: [ 287.658900][ T28] [ 287.662505][ T28] __schedule+0x1d15/0x5790 [ 287.667182][ T28] ? mark_lock.part.0+0xee/0x1970 [ 287.672432][ T28] ? io_schedule_timeout+0x150/0x150 [ 287.677742][ T28] ? find_held_lock+0x2d/0x110 [ 287.682663][ T28] ? lock_downgrade+0x690/0x690 [ 287.687535][ T28] ? prepare_to_wait+0x47/0x380 [ 287.692550][ T28] schedule+0xde/0x1a0 [ 287.696635][ T28] bit_wait+0x16/0xe0 [ 287.700605][ T28] __wait_on_bit+0x64/0x180 [ 287.705307][ T28] ? bit_wait_io+0xe0/0xe0 [ 287.709748][ T28] __inode_wait_for_writeback+0x153/0x1f0 [ 287.715826][ T28] ? wb_wakeup+0xd0/0xd0 [ 287.720092][ T28] ? rcu_is_watching+0x12/0xb0 [ 287.725016][ T28] ? cpuacct_css_alloc+0x160/0x160 [ 287.730158][ T28] ? lock_acquire+0x32/0xc0 [ 287.734940][ T28] ? inode_wait_for_writeback+0x1e/0x40 [ 287.740532][ T28] inode_wait_for_writeback+0x26/0x40 [ 287.746040][ T28] evict+0x2b7/0x6b0 [ 287.749963][ T28] iput+0x4a7/0x7a0 [ 287.753966][ T28] dentry_unlink_inode+0x2b1/0x460 [ 287.759102][ T28] d_delete+0x16f/0x1c0 [ 287.763394][ T28] xattr_unlink+0x139/0x190 [ 287.767919][ T28] reiserfs_xattr_set_handle+0x7bd/0xb00 [ 287.773718][ T28] ? reiserfs_chown_xattrs+0xa0/0xa0 [ 287.779033][ T28] ? wait_for_completion_io_timeout+0x20/0x20 [ 287.785238][ T28] ? __lock_acquire+0x1987/0x5f30 [ 287.790293][ T28] reiserfs_xattr_set+0x454/0x5b0 [ 287.795518][ T28] ? reiserfs_xattr_set_handle+0xb00/0xb00 [ 287.801454][ T28] ? trusted_set+0xaf/0xd0 [ 287.805892][ T28] ? bpf_lsm_capable+0x9/0x10 [ 287.810578][ T28] ? security_capable+0x93/0xc0 [ 287.815666][ T28] ? trusted_list+0xb0/0xb0 [ 287.820198][ T28] trusted_set+0xa7/0xd0 [ 287.824650][ T28] __vfs_removexattr+0x155/0x1c0 [ 287.829603][ T28] ? __vfs_getxattr+0x1a0/0x1a0 [ 287.834621][ T28] ? evm_inode_removexattr+0x4a/0x60 [ 287.839930][ T28] __vfs_removexattr_locked+0x1b0/0x440 [ 287.845613][ T28] ? vfs_setxattr+0x21e/0x340 [ 287.850303][ T28] vfs_removexattr+0xcf/0x260 [ 287.855053][ T28] ? __vfs_setxattr_locked+0x260/0x260 [ 287.860541][ T28] ? __vfs_removexattr_locked+0x440/0x440 [ 287.866315][ T28] ? up_write+0x1b4/0x520 [ 287.870658][ T28] ? ovl_fill_super+0x6bb7/0x7270 [ 287.875779][ T28] ovl_fill_super+0x6ec5/0x7270 [ 287.880667][ T28] ? kfree+0x10e/0x150 [ 287.884786][ T28] ? ovl_show_options+0x780/0x780 [ 287.889839][ T28] ? wait_for_completion_io_timeout+0x20/0x20 [ 287.895959][ T28] ? do_raw_spin_lock+0x124/0x2b0 [ 287.901022][ T28] ? spin_bug+0x1c0/0x1c0 [ 287.905470][ T28] ? sget+0x128/0x580 [ 287.909486][ T28] ? set_anon_super_fc+0xb0/0xb0 [ 287.914479][ T28] ? ovl_show_options+0x780/0x780 [ 287.919527][ T28] mount_nodev+0x64/0x120 [ 287.924023][ T28] ? ovl_own_xattr_set+0x10/0x10 [ 287.928990][ T28] legacy_get_tree+0x109/0x220 [ 287.933833][ T28] vfs_get_tree+0x8d/0x350 [ 287.938275][ T28] path_mount+0x134b/0x1e40 [ 287.942824][ T28] ? kmem_cache_free+0xe9/0x480 [ 287.947690][ T28] ? finish_automount+0x9b0/0x9b0 [ 287.952986][ T28] ? putname+0x102/0x140 [ 287.957278][ T28] __x64_sys_mount+0x283/0x300 [ 287.962417][ T28] ? copy_mnt_ns+0xb30/0xb30 [ 287.967063][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 287.972354][ T28] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.977649][ T28] ? ptrace_notify+0xfe/0x140 [ 287.982636][ T28] do_syscall_64+0x39/0xb0 [ 287.987130][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 287.993219][ T28] RIP: 0033:0x7fe5884ceab9 [ 287.997653][ T28] RSP: 002b:00007fe58847a2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 288.006304][ T28] RAX: ffffffffffffffda RBX: 00007fe588554780 RCX: 00007fe5884ceab9 [ 288.014415][ T28] RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000 [ 288.022554][ T28] RBP: 00007fe5885212d8 R08: 0000000020000480 R09: 0000000000000000 [ 288.030546][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0079616c7265766f [ 288.038699][ T28] R13: d5e172a4510865ec R14: 9837512483e3bdcd R15: 00007fe588554788 [ 288.046864][ T28] [ 288.050306][ T28] INFO: task syz-executor133:5129 blocked for more than 145 seconds. [ 288.060607][ T28] Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 288.067926][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 288.078372][ T28] task:syz-executor133 state:D stack:28496 pid:5129 ppid:5003 flags:0x00004004 [ 288.088283][ T28] Call Trace: [ 288.091914][ T28] [ 288.094877][ T28] __schedule+0x1d15/0x5790 [ 288.099424][ T28] ? rcu_preempt_deferred_qs_irqrestore+0x57b/0xd60 [ 288.106308][ T28] ? find_held_lock+0x2d/0x110 [ 288.111163][ T28] ? io_schedule_timeout+0x150/0x150 [ 288.116473][ T28] ? mark_held_locks+0x9f/0xe0 [ 288.121324][ T28] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 288.127156][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 288.132389][ T28] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 288.138230][ T28] schedule+0xde/0x1a0 [ 288.142387][ T28] wb_wait_for_completion+0x182/0x240 [ 288.147779][ T28] ? wb_writeback+0xa40/0xa40 [ 288.152490][ T28] ? prepare_to_swait_exclusive+0x240/0x240 [ 288.158407][ T28] ? down_write_killable_nested+0x250/0x250 [ 288.164398][ T28] ? wait_for_completion_io_timeout+0x20/0x20 [ 288.170488][ T28] ? I_BDEV+0xd/0x20 [ 288.174429][ T28] sync_inodes_sb+0x1aa/0xa60 [ 288.179124][ T28] ? try_to_writeback_inodes_sb+0xc0/0xc0 [ 288.184942][ T28] ? get_nr_dirty_inodes+0x60/0x1d0 [ 288.190173][ T28] sync_filesystem.part.0+0xe6/0x1d0 [ 288.195510][ T28] sync_filesystem+0x8f/0xc0 [ 288.200124][ T28] reiserfs_remount+0x129/0x1650 [ 288.205184][ T28] ? finish_unfinished.isra.0+0x1220/0x1220 [ 288.211155][ T28] ? __static_call_return0+0x9/0x10 [ 288.216381][ T28] ? list_lru_count_node+0x14/0x80 [ 288.221601][ T28] ? shrink_dcache_sb+0x1ba/0x360 [ 288.226647][ T28] ? shrink_dentry_list+0x4f0/0x4f0 [ 288.231891][ T28] ? path_mount+0x1401/0x1e40 [ 288.236586][ T28] ? lock_acquire+0x32/0xc0 [ 288.241089][ T28] ? finish_unfinished.isra.0+0x1220/0x1220 [ 288.247039][ T28] legacy_reconfigure+0x119/0x180 [ 288.252148][ T28] reconfigure_super+0x40c/0xa30 [ 288.257112][ T28] ? fs_umode_to_dtype+0xd0/0xd0 [ 288.262095][ T28] path_mount+0x1846/0x1e40 [ 288.266621][ T28] ? kmem_cache_free+0xe9/0x480 [ 288.271689][ T28] ? finish_automount+0x9b0/0x9b0 [ 288.276760][ T28] ? putname+0x102/0x140 [ 288.280994][ T28] __x64_sys_mount+0x283/0x300 [ 288.286029][ T28] ? copy_mnt_ns+0xb30/0xb30 [ 288.290621][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 288.296007][ T28] ? _raw_spin_unlock_irq+0x2e/0x50 [ 288.301388][ T28] ? ptrace_notify+0xfe/0x140 [ 288.306069][ T28] do_syscall_64+0x39/0xb0 [ 288.310481][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 288.316775][ T28] RIP: 0033:0x7fe5884cff7a [ 288.321499][ T28] RSP: 002b:00007fe580459118 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 288.329927][ T28] RAX: ffffffffffffffda RBX: 00007fe5804596b8 RCX: 00007fe5884cff7a [ 288.338099][ T28] RDX: 00000000200001c0 RSI: 0000000020000100 RDI: 0000000000000000 [ 288.346208][ T28] RBP: 00000000ffffffff R08: 00007fe5804591b0 R09: 0000000000000000 [ 288.354360][ T28] R10: 0000000001a484bc R11: 0000000000000286 R12: 00000000200001c0 [ 288.362526][ T28] R13: 0000000020000100 R14: 0000000000000000 R15: 00000000200004c0 [ 288.370502][ T28] [ 288.373830][ T28] INFO: task syz-executor133:5894 blocked for more than 145 seconds. [ 288.382021][ T28] Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [pid 5005] umount2("./222/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./220/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./220/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./220/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./220/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./220/bus") = 0 [pid 5004] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./220/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./220/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./220") = 0 [pid 5004] mkdir("./221", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8725 ./strace-static-x86_64: Process 8725 attached [pid 8725] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8725] chdir("./221") = 0 [pid 8725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8725] setpgid(0, 0) = 0 [pid 8725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8725] write(3, "1000", 4) = 4 [pid 8725] close(3) = 0 [pid 8725] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8725] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8725] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8725] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8726], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8726 [pid 8725] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8725] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8726 attached [pid 8726] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8726] memfd_create("syzkaller", 0) = 3 [pid 8726] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 288.401670][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 288.411594][ T28] task:syz-executor133 state:D stack:24752 pid:5894 ppid:5006 flags:0x00004006 [ 288.421745][ T28] Call Trace: [ 288.425890][ T28] [ 288.429147][ T28] __schedule+0x1d15/0x5790 [ 288.434011][ T28] ? mark_lock.part.0+0xee/0x1970 [ 288.439103][ T28] ? io_schedule_timeout+0x150/0x150 [ 288.444539][ T28] ? find_held_lock+0x2d/0x110 [ 288.449684][ T28] ? lock_downgrade+0x690/0x690 [ 288.454942][ T28] ? prepare_to_wait+0x47/0x380 [ 288.459857][ T28] schedule+0xde/0x1a0 [ 288.464089][ T28] bit_wait+0x16/0xe0 [ 288.468197][ T28] __wait_on_bit+0x64/0x180 [ 288.472775][ T28] ? bit_wait_io+0xe0/0xe0 [ 288.477234][ T28] __inode_wait_for_writeback+0x153/0x1f0 [ 288.483149][ T28] ? wb_wakeup+0xd0/0xd0 [ 288.487861][ T28] ? rcu_is_watching+0x12/0xb0 [ 288.492762][ T28] ? cpuacct_css_alloc+0x160/0x160 [ 288.497983][ T28] ? lock_acquire+0x32/0xc0 [ 288.502662][ T28] ? inode_wait_for_writeback+0x1e/0x40 [pid 8726] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 8726] munmap(0x7fe58005a000, 4194304) = 0 [pid 8726] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8726] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8726] close(3) = 0 [pid 8726] mkdir("./bus", 0777) = 0 [ 288.508299][ T28] inode_wait_for_writeback+0x26/0x40 [ 288.513759][ T28] evict+0x2b7/0x6b0 [ 288.518074][ T28] iput+0x4a7/0x7a0 [ 288.520081][ T8726] loop1: detected capacity change from 0 to 8192 [ 288.522361][ T28] dentry_unlink_inode+0x2b1/0x460 [ 288.532964][ T8726] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 288.533395][ T28] d_delete+0x16f/0x1c0 [ 288.547153][ T8726] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 288.550580][ T28] xattr_unlink+0x139/0x190 [ 288.550626][ T28] reiserfs_xattr_set_handle+0x7bd/0xb00 [ 288.570153][ T28] ? do_raw_spin_unlock+0x175/0x230 [ 288.570486][ T8726] REISERFS (device loop1): using ordered data mode [ 288.575781][ T28] ? reiserfs_chown_xattrs+0xa0/0xa0 [ 288.582338][ T8726] reiserfs: using flush barriers [ 288.587595][ T28] ? wait_for_completion_io_timeout+0x20/0x20 [ 288.593366][ T8726] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 288.598495][ T28] ? __lock_acquire+0x1987/0x5f30 [ 288.615143][ T8726] REISERFS (device loop1): checking transaction log (loop1) [ 288.619450][ T28] reiserfs_xattr_set+0x454/0x5b0 [ 288.627834][ T8726] REISERFS (device loop1): Using r5 hash to sort names [ 288.631743][ T28] ? reiserfs_xattr_set_handle+0xb00/0xb00 [ 288.638970][ T8726] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8726] mount("/dev/loop1", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "") = 0 [pid 8726] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8726] chdir("./bus") = 0 [pid 8726] ioctl(4, LOOP_CLR_FD) = 0 [pid 8726] close(4) = 0 [pid 8726] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8725] <... futex resumed>) = 0 [pid 8726] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8725] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8725] <... futex resumed>) = 0 [pid 8726] mkdir("./file1", 000 [pid 8725] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8726] <... mkdir resumed>) = 0 [pid 8726] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8725] <... futex resumed>) = 0 [pid 8726] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8725] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8725] <... futex resumed>) = 0 [pid 8726] mkdir("./bus", 000 [pid 8725] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8726] <... mkdir resumed>) = 0 [pid 8726] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8725] <... futex resumed>) = 0 [pid 8726] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8725] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8725] <... futex resumed>) = 0 [pid 8726] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 288.644788][ T28] ? trusted_set+0xaf/0xd0 [ 288.657258][ T8726] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 288.661907][ T28] ? bpf_lsm_capable+0x9/0x10 [ 288.675867][ T28] ? security_capable+0x93/0xc0 [ 288.690287][ T28] ? trusted_list+0xb0/0xb0 [ 288.695839][ T28] trusted_set+0xa7/0xd0 [ 288.700206][ T28] __vfs_removexattr+0x155/0x1c0 [pid 8725] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8725] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8725] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8725] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8728], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8728 [pid 8725] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8725] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8728 attached [ 288.700246][ T8726] overlayfs: upper fs needs to support d_type. [ 288.705723][ T28] ? __vfs_getxattr+0x1a0/0x1a0 [ 288.716613][ T28] ? evm_inode_removexattr+0x4a/0x60 [ 288.722293][ T28] __vfs_removexattr_locked+0x1b0/0x440 [ 288.727938][ T28] ? vfs_setxattr+0x21e/0x340 [ 288.730496][ T8726] overlayfs: upper fs does not support tmpfile. [ 288.733351][ T28] vfs_removexattr+0xcf/0x260 [ 288.739549][ T8726] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 288.743984][ T28] ? __vfs_setxattr_locked+0x260/0x260 [pid 8728] set_robust_list(0x7fe5804599e0, 24) = 0 [pid 8728] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8728] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 8728] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8725] <... futex resumed>) = 0 [ 288.756472][ T28] ? __vfs_removexattr_locked+0x440/0x440 [ 288.757077][ T8726] overlayfs: failed to resolve './file0': -2 [ 288.762612][ T28] ? up_write+0x1b4/0x520 [ 288.772848][ T28] ? ovl_fill_super+0x6bb7/0x7270 [ 288.776182][ T8728] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 288.777911][ T28] ovl_fill_super+0x6ec5/0x7270 [ 288.797791][ T28] ? kfree+0x10e/0x150 [ 288.802171][ T28] ? ovl_show_options+0x780/0x780 [ 288.807228][ T28] ? wait_for_completion_io_timeout+0x20/0x20 [ 288.813463][ T28] ? do_raw_spin_lock+0x124/0x2b0 [ 288.818525][ T28] ? spin_bug+0x1c0/0x1c0 [ 288.822921][ T28] ? sget+0x128/0x580 [ 288.826943][ T28] ? set_anon_super_fc+0xb0/0xb0 [ 288.832038][ T28] ? ovl_show_options+0x780/0x780 [ 288.837098][ T28] mount_nodev+0x64/0x120 [ 288.841488][ T28] ? ovl_own_xattr_set+0x10/0x10 [ 288.846459][ T28] legacy_get_tree+0x109/0x220 [ 288.851376][ T28] vfs_get_tree+0x8d/0x350 [ 288.855837][ T28] path_mount+0x134b/0x1e40 [ 288.860360][ T28] ? kmem_cache_free+0xe9/0x480 [ 288.865411][ T28] ? finish_automount+0x9b0/0x9b0 [ 288.870478][ T28] ? putname+0x102/0x140 [ 288.875008][ T28] __x64_sys_mount+0x283/0x300 [ 288.879806][ T28] ? copy_mnt_ns+0xb30/0xb30 [ 288.884752][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 288.889965][ T28] ? _raw_spin_unlock_irq+0x2e/0x50 [ 288.895286][ T28] ? ptrace_notify+0xfe/0x140 [ 288.900008][ T28] do_syscall_64+0x39/0xb0 [ 288.904675][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [pid 8728] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8725] exit_group(0 [pid 8728] <... futex resumed>) = ? [pid 8725] <... exit_group resumed>) = ? [pid 8728] +++ exited with 0 +++ [ 288.910605][ T28] RIP: 0033:0x7fe5884ceab9 [ 288.915257][ T28] RSP: 002b:00007fe58847a2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 288.923746][ T28] RAX: ffffffffffffffda RBX: 00007fe588554780 RCX: 00007fe5884ceab9 [ 288.932020][ T28] RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000 [ 288.940004][ T28] RBP: 00007fe5885212d8 R08: 0000000020000480 R09: 0000000000000000 [ 288.948089][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0079616c7265766f [ 288.956188][ T28] R13: d5e172a4510865ec R14: 9837512483e3bdcd R15: 00007fe588554788 [ 288.964241][ T28] [ 288.968343][ T28] INFO: task syz-executor133:5905 blocked for more than 145 seconds. [ 288.976964][ T28] Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 288.984512][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [pid 5007] <... umount2 resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5007] umount2("./221/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./222/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./222/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./222/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./222/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, [ 289.009803][ T28] task:syz-executor133 state:D stack:28496 pid:5905 ppid:5006 flags:0x00004004 [ 289.030269][ T28] Call Trace: [ 289.034562][ T28] [ 289.043695][ T28] __schedule+0x1d15/0x5790 [ 289.052618][ T28] ? print_usage_bug.part.0+0x660/0x660 [pid 5007] lstat("./221/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./223/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./223/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./223/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] getdents64(4, [pid 5008] openat(AT_FDCWD, "./223/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] umount2("./221/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./223/bus") = 0 [pid 5008] umount2("./223/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./223/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./223/binderfs") = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./223" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5007] openat(AT_FDCWD, "./221/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] close(4 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] mkdir("./224", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 5007] <... openat resumed>) = 4 [pid 5005] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] fstat(4, [pid 5005] rmdir("./222/bus" [pid 5008] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8729 ./strace-static-x86_64: Process 8729 attached [pid 8729] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8729] chdir("./224" [pid 5005] <... rmdir resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8729] <... chdir resumed>) = 0 [pid 8729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8729] setpgid(0, 0) = 0 [pid 8729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] getdents64(4, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5005] lstat("./222/binderfs", [pid 8729] <... openat resumed>) = 3 [ 289.064702][ T28] ? find_held_lock+0x2d/0x110 [ 289.071346][ T28] ? io_schedule_timeout+0x150/0x150 [ 289.077307][ T28] ? mark_held_locks+0x9f/0xe0 [ 289.083368][ T28] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 289.090321][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 289.095691][ T28] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 289.108205][ T28] schedule+0xde/0x1a0 [pid 8729] write(3, "1000", 4) = 4 [pid 8729] close(3) = 0 [pid 8729] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8729] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] getdents64(4, [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8729] <... mmap resumed>) = 0x7fe58845a000 [pid 8729] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8729] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8730], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8730 [pid 5005] unlink("./222/binderfs" [pid 5007] <... getdents64 resumed>0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 8729] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8729] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8730 attached [pid 8730] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8730] memfd_create("syzkaller", 0) = 3 [pid 8730] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] close(4) = 0 [pid 5007] rmdir("./221/bus") = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5007] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(3, [pid 8730] <... mmap resumed>) = 0x7fe58005a000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5007] lstat("./221/binderfs", [pid 5005] close(3 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... close resumed>) = 0 [pid 5007] unlink("./221/binderfs" [pid 5005] rmdir("./222") = 0 [pid 5005] mkdir("./223", 0777) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5007] getdents64(3, [pid 5005] <... openat resumed>) = 3 [pid 5007] <... getdents64 resumed>0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [ 289.113113][ T28] wb_wait_for_completion+0x182/0x240 [ 289.119350][ T28] ? wb_writeback+0xa40/0xa40 [ 289.124754][ T28] ? prepare_to_swait_exclusive+0x240/0x240 [ 289.133021][ T28] ? down_write_killable_nested+0x250/0x250 [ 289.139404][ T28] ? wait_for_completion_io_timeout+0x20/0x20 [ 289.145966][ T28] ? I_BDEV+0xd/0x20 [ 289.150287][ T28] sync_inodes_sb+0x1aa/0xa60 [ 289.157295][ T28] ? try_to_writeback_inodes_sb+0xc0/0xc0 [pid 5007] close(3 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] <... close resumed>) = 0 [pid 5007] rmdir("./221") = 0 [pid 5005] close(3 [pid 5007] mkdir("./222", 0777 [pid 5005] <... close resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8730] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5007] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 8731 attached [pid 5005] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8731 [pid 5007] <... openat resumed>) = 3 [pid 8731] set_robust_list(0x5555568c85e0, 24) = 0 [pid 5007] ioctl(3, LOOP_CLR_FD [pid 8731] chdir("./223" [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8731] <... chdir resumed>) = 0 [pid 5007] close(3 [pid 8731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... close resumed>) = 0 [pid 8731] <... prctl resumed>) = 0 [ 289.163953][ T28] ? get_nr_dirty_inodes+0x60/0x1d0 [ 289.169571][ T28] sync_filesystem.part.0+0xe6/0x1d0 [ 289.176438][ T28] sync_filesystem+0x8f/0xc0 [ 289.181600][ T28] reiserfs_remount+0x129/0x1650 [ 289.187306][ T28] ? finish_unfinished.isra.0+0x1220/0x1220 [ 289.194846][ T28] ? __static_call_return0+0x9/0x10 [ 289.201625][ T28] ? list_lru_count_node+0x14/0x80 [ 289.207067][ T28] ? shrink_dcache_sb+0x1ba/0x360 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8731] setpgid(0, 0) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555568c85d0) = 8732 [pid 8731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 8732 attached [pid 8732] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8732] chdir("./222") = 0 [pid 8732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8731] write(3, "1000", 4 [pid 8732] <... prctl resumed>) = 0 [pid 8732] setpgid(0, 0) = 0 [pid 8732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8731] <... write resumed>) = 4 [pid 8732] <... openat resumed>) = 3 [pid 8732] write(3, "1000", 4) = 4 [pid 8732] close(3) = 0 [pid 8732] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8731] close(3 [pid 8732] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8731] <... close resumed>) = 0 [pid 8732] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE [pid 8731] symlink("/dev/binderfs", "./binderfs" [pid 8732] <... mprotect resumed>) = 0 [ 289.212570][ T28] ? shrink_dentry_list+0x4f0/0x4f0 [ 289.219444][ T28] ? path_mount+0x1401/0x1e40 [ 289.225233][ T28] ? lock_acquire+0x32/0xc0 [ 289.230305][ T28] ? finish_unfinished.isra.0+0x1220/0x1220 [ 289.236773][ T28] legacy_reconfigure+0x119/0x180 [ 289.242891][ T28] reconfigure_super+0x40c/0xa30 [ 289.248406][ T28] ? fs_umode_to_dtype+0xd0/0xd0 [ 289.253691][ T28] path_mount+0x1846/0x1e40 [pid 8732] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8733], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8733 [pid 8732] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8732] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8733 attached [pid 8731] <... symlink resumed>) = 0 [pid 8731] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8733] set_robust_list(0x7fe58847a9e0, 24 [pid 8731] <... futex resumed>) = 0 [pid 8733] <... set_robust_list resumed>) = 0 [pid 8731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8733] memfd_create("syzkaller", 0) = 3 [pid 8733] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8731] <... mmap resumed>) = 0x7fe58845a000 [pid 8733] <... mmap resumed>) = 0x7fe58005a000 [pid 8731] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8731] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8734], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8734 [pid 8731] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8731] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8734 attached [pid 8734] set_robust_list(0x7fe58847a9e0, 24) = 0 [pid 8734] memfd_create("syzkaller", 0) = 3 [pid 8734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe58005a000 [ 289.262630][ T28] ? kmem_cache_free+0xe9/0x480 [ 289.268821][ T28] ? finish_automount+0x9b0/0x9b0 [ 289.274296][ T28] ? putname+0x102/0x140 [ 289.279162][ T28] __x64_sys_mount+0x283/0x300 [ 289.285703][ T28] ? copy_mnt_ns+0xb30/0xb30 [ 289.294471][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 289.307884][ T28] ? _raw_spin_unlock_irq+0x2e/0x50 [pid 8730] <... write resumed>) = 4194304 [pid 8730] munmap(0x7fe58005a000, 4194304) = 0 [pid 8730] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8730] ioctl(4, LOOP_SET_FD, 3 [pid 8733] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8730] <... ioctl resumed>) = 0 [pid 8730] close(3) = 0 [pid 8730] mkdir("./bus", 0777) = 0 [ 289.319543][ T28] ? ptrace_notify+0xfe/0x140 [ 289.330436][ T28] do_syscall_64+0x39/0xb0 [ 289.333925][ T8730] loop5: detected capacity change from 0 to 8192 [ 289.341202][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 289.341248][ T28] RIP: 0033:0x7fe5884cff7a [ 289.357916][ T28] RSP: 002b:00007fe580459118 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [pid 8730] mount("/dev/loop5", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8733] <... write resumed>) = 4194304 [ 289.375367][ T8730] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 289.388548][ T28] RAX: ffffffffffffffda RBX: 00007fe5804596b8 RCX: 00007fe5884cff7a [ 289.397957][ T28] RDX: 00000000200001c0 RSI: 0000000020000100 RDI: 0000000000000000 [ 289.410915][ T8730] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 8734] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8733] munmap(0x7fe58005a000, 4194304) = 0 [pid 8733] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8733] ioctl(4, LOOP_SET_FD, 3 [pid 8726] <... mount resumed>) = ? [pid 8726] +++ exited with 0 +++ [pid 8725] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8725, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5004] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 289.417604][ T28] RBP: 00000000ffffffff R08: 00007fe5804591b0 R09: 0000000000000000 [ 289.428997][ T28] R10: 0000000001a484bc R11: 0000000000000286 R12: 00000000200001c0 [ 289.438365][ T8730] REISERFS (device loop5): using ordered data mode [ 289.439469][ T28] R13: 0000000020000100 R14: 0000000000000000 R15: 00000000200004c0 [ 289.453247][ T28] [ 289.459728][ T8733] loop4: detected capacity change from 0 to 8192 [ 289.468038][ T28] [ 289.468038][ T28] Showing all locks held in the system: [pid 5004] umount2("./221/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8734] <... write resumed>) = 4194304 [pid 8733] <... ioctl resumed>) = 0 [pid 8733] close(3) = 0 [pid 8733] mkdir("./bus", 0777) = 0 [pid 8733] mount("/dev/loop4", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 289.470528][ T8730] reiserfs: using flush barriers [ 289.494031][ T28] 1 lock held by rcu_tasks_kthre/13: [ 289.499717][ T8730] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 289.511706][ T28] #0: [pid 8734] munmap(0x7fe58005a000, 4194304) = 0 [pid 8734] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 289.517023][ T8730] REISERFS (device loop5): checking transaction log (loop5) [ 289.520133][ T28] ffffffff8c798530 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 289.531250][ T8733] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 289.540073][ T28] 1 lock held by rcu_tasks_trace/14: [ 289.554580][ T8733] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8734] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8734] close(3) = 0 [ 289.558482][ T28] #0: ffffffff8c798230 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 289.568791][ T8733] REISERFS (device loop4): using ordered data mode [ 289.578346][ T8730] REISERFS (device loop5): Using r5 hash to sort names [ 289.586337][ T8733] reiserfs: using flush barriers [ 289.592117][ T8734] loop2: detected capacity change from 0 to 8192 [ 289.603465][ T8730] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 289.616529][ T28] 1 lock held by khungtaskd/28: [pid 8734] mkdir("./bus", 0777) = 0 [ 289.620078][ T8733] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 289.621554][ T28] #0: ffffffff8c799140 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x390 [ 289.648157][ T28] 2 locks held by kworker/u4:2/41: [ 289.653395][ T28] #0: ffff8880124e5938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 [ 289.654935][ T8734] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8734] mount("/dev/loop2", "./bus", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8730] <... mount resumed>) = 0 [pid 8730] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8730] chdir("./bus") = 0 [pid 8730] ioctl(4, LOOP_CLR_FD) = 0 [pid 8730] close(4) = 0 [pid 8730] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8729] <... futex resumed>) = 0 [pid 8729] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8729] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8730] <... futex resumed>) = 1 [pid 8730] mkdir("./file1", 000) = 0 [pid 8730] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8729] <... futex resumed>) = 0 [pid 8729] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8729] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8730] <... futex resumed>) = 1 [pid 8730] mkdir("./bus", 000) = 0 [pid 8730] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8729] <... futex resumed>) = 0 [pid 8729] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8729] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8730] <... futex resumed>) = 1 [ 289.664108][ T28] #1: ffffc90000b27db0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 [ 289.689430][ T28] 2 locks held by kworker/1:2/900: [ 289.690160][ T8730] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 289.694795][ T28] #0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 [ 289.715852][ T8733] REISERFS (device loop4): checking transaction log (loop4) [ 289.724158][ T28] #1: ffffc900051efdb0 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 [ 289.731951][ T8734] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 289.745659][ T8730] overlayfs: upper fs needs to support d_type. [ 289.749969][ T8733] REISERFS (device loop4): Using r5 hash to sort names [ 289.752006][ T8730] overlayfs: upper fs does not support tmpfile. [ 289.762217][ T8733] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8730] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8729] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8729] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8733] <... mount resumed>) = 0 [pid 8729] <... futex resumed>) = 0 [ 289.765514][ T8730] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 289.780438][ T8734] REISERFS (device loop2): using ordered data mode [ 289.786250][ T8730] overlayfs: failed to resolve './file0': -2 [ 289.796556][ T28] 2 locks held by kworker/u4:5/1041: [ 289.797748][ T8733] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 289.803735][ T8734] reiserfs: using flush barriers [ 289.812196][ T28] #0: ffff8880124e5938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 [pid 8733] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 8729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8733] <... openat resumed>) = 3 [pid 8733] chdir("./bus" [pid 8729] <... mmap resumed>) = 0x7fe580439000 [pid 8733] <... chdir resumed>) = 0 [pid 8729] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE [pid 8733] ioctl(4, LOOP_CLR_FD [pid 8729] <... mprotect resumed>) = 0 [pid 8733] <... ioctl resumed>) = 0 [pid 8729] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8733] close(4) = 0 [pid 8729] <... clone resumed>, parent_tid=[8738], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8738 ./strace-static-x86_64: Process 8738 attached [pid 8733] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8729] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000 [pid 8738] set_robust_list(0x7fe5804599e0, 24 [pid 8733] <... futex resumed>) = 1 [pid 8732] <... futex resumed>) = 0 [pid 8729] <... futex resumed>) = 0 [ 289.819905][ T8734] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 289.827663][ T28] #1: ffffc900055dfdb0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 [ 289.855500][ T28] 5 locks held by kworker/u4:6/2409: [ 289.863417][ T28] 7 locks held by udevd/4457: [ 289.868183][ T28] 2 locks held by getty/4757: [pid 8738] <... set_robust_list resumed>) = 0 [pid 8733] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8732] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8729] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8738] mkdir(".", 0777 [pid 8733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8732] <... futex resumed>) = 0 [pid 8738] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8733] mkdir("./file1", 000 [pid 8732] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8738] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8733] <... mkdir resumed>) = 0 [pid 8733] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8732] <... futex resumed>) = 0 [pid 8733] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8732] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8732] <... futex resumed>) = 0 [pid 8733] mkdir("./bus", 000 [pid 8732] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8733] <... mkdir resumed>) = 0 [pid 8733] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8732] <... futex resumed>) = 0 [ 289.873300][ T28] #0: ffff88802826e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 [ 289.884774][ T28] #1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 [ 289.895394][ T28] 2 locks held by syz-executor133/5004: [ 289.906659][ T8738] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8733] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8732] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000 [pid 8733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8732] <... futex resumed>) = 0 [pid 8738] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8738] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8733] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8732] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8738] <... futex resumed>) = 1 [pid 8729] <... futex resumed>) = 0 [ 289.914019][ T8734] REISERFS (device loop2): checking transaction log (loop2) [ 289.921883][ T28] #0: ffff88806ef360e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: deactivate_super+0xa9/0xd0 [ 289.939446][ T28] #1: ffffffff8c7a4538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x64a/0x770 [ 289.948036][ T8734] REISERFS (device loop2): Using r5 hash to sort names [ 289.952586][ T28] 4 locks held by syz-executor133/5112: [ 289.959665][ T8734] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8738] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8734] <... mount resumed>) = 0 [pid 8734] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 8734] chdir("./bus") = 0 [pid 8734] ioctl(4, LOOP_CLR_FD) = 0 [pid 8734] close(4) = 0 [pid 8734] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8731] <... futex resumed>) = 0 [pid 8731] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8731] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8734] <... futex resumed>) = 1 [pid 8734] mkdir("./file1", 000) = 0 [pid 8734] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8731] <... futex resumed>) = 0 [pid 8731] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8731] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8734] <... futex resumed>) = 1 [pid 8734] mkdir("./bus", 000) = 0 [pid 8734] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8731] <... futex resumed>) = 0 [pid 8731] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8731] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8734] <... futex resumed>) = 1 [pid 8734] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 8732] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8732] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [ 289.964433][ T8733] overlayfs: upper fs needs to support d_type. [ 289.977573][ T8734] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 289.983067][ T28] #0: [ 289.992409][ T8733] overlayfs: upper fs does not support tmpfile. [ 290.002021][ T28] ffff88802b6260e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 [ 290.013923][ T8733] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8732] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8732] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 8739 attached [pid 8739] set_robust_list(0x7fe5804599e0, 24 [pid 8732] <... clone resumed>, parent_tid=[8739], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8739 [pid 8731] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8731] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 8731] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe580439000 [pid 8731] mprotect(0x7fe58043a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8731] clone(child_stack=0x7fe5804593f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8740], tls=0x7fe580459700, child_tidptr=0x7fe5804599d0) = 8740 [pid 8731] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 290.023645][ T8733] overlayfs: failed to resolve './file0': -2 [ 290.026136][ T8734] overlayfs: upper fs needs to support d_type. [ 290.030210][ T28] #1: ffff888077d9c460 (sb_writers#9){.+.+}-{0:0}, at: ovl_fill_super+0x1c5e/0x7270 [ 290.046254][ T28] #2: ffff888070540980 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_removexattr+0xbb/0x260 [ 290.057654][ T28] #3: ffff888075762400 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: reiserfs_xattr_set_handle+0x72c/0xb00 [ 290.064403][ T8734] overlayfs: upper fs does not support tmpfile. [pid 8731] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8739] <... set_robust_list resumed>) = 0 [pid 8732] futex(0x7fe588554798, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8740 attached [pid 8740] set_robust_list(0x7fe5804599e0, 24 [pid 8739] mkdir(".", 0777 [pid 8732] <... futex resumed>) = 0 [pid 8740] <... set_robust_list resumed>) = 0 [pid 8740] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8740] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8739] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8732] futex(0x7fe58855479c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 290.070124][ T28] 2 locks held by syz-executor133/5129: [ 290.082417][ T28] #0: ffff888077d9c0e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: path_mount+0x1401/0x1e40 [ 290.093112][ T28] #1: ffff88801f1827d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x190/0xa60 [ 290.097811][ T8740] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 290.103706][ T28] 4 locks held by syz-executor133/5894: [pid 8739] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8740] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8740] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8731] <... futex resumed>) = 0 [pid 8740] <... futex resumed>) = 1 [pid 8740] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8739] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8739] futex(0x7fe58855479c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8739] futex(0x7fe588554798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8732] <... futex resumed>) = 0 [ 290.127716][ T8734] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 290.128971][ T8739] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "0xffffffffffffffffî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 290.141557][ T8734] overlayfs: failed to resolve './file0': -2 [ 290.149968][ T28] #0: ffff8880294a80e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 [ 290.165704][ T28] #1: ffff888141348460 (sb_writers#9){.+.+}-{0:0}, at: ovl_fill_super+0x1c5e/0x7270 [ 290.175289][ T28] #2: ffff88807054aaa0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_removexattr+0xbb/0x260 [ 290.185908][ T28] #3: ffff88807054c520 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: reiserfs_xattr_set_handle+0x72c/0xb00 [ 290.197860][ T28] 2 locks held by syz-executor133/5905: [ 290.203612][ T28] #0: ffff8881413480e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: path_mount+0x1401/0x1e40 [ 290.213822][ T28] #1: ffff8881413747d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x190/0xa60 [ 290.224133][ T28] 2 locks held by syz-executor133/8730: [ 290.229785][ T28] #0: ffff8880766b20e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 [ 290.240300][ T28] #1: ffffffff8c7a4538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3e8/0x770 [ 290.251583][ T28] 1 lock held by syz-executor133/8734: [ 290.257070][ T28] #0: ffff88807673c0e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 [ 290.267901][ T28] 1 lock held by syz-executor133/8733: [pid 8734] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8733] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8730] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8734] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8731] exit_group(0 [pid 5004] <... umount2 resumed>) = 0 [pid 8740] <... futex resumed>) = ? [pid 8734] <... futex resumed>) = ? [pid 8731] <... exit_group resumed>) = ? [pid 8740] +++ exited with 0 +++ [pid 8734] +++ exited with 0 +++ [pid 8731] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8731, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 290.273818][ T28] #0: ffff8880700f00e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 [ 290.284398][ T28] [ 290.288173][ T28] ============================================= [ 290.288173][ T28] [ 290.311367][ T28] NMI backtrace for cpu 1 [ 290.315859][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [pid 5005] umount2("./223/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8733] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8733] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8732] exit_group(0 [pid 8739] <... futex resumed>) = ? [pid 8733] <... futex resumed>) = ? [pid 8732] <... exit_group resumed>) = ? [pid 8739] +++ exited with 0 +++ [pid 8733] +++ exited with 0 +++ [pid 8732] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8732, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5007] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [pid 5007] umount2("./222/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8730] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8730] futex(0x7fe588554788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8729] exit_group(0 [pid 8730] <... futex resumed>) = ? [pid 8729] <... exit_group resumed>) = ? [pid 8730] +++ exited with 0 +++ [pid 5004] umount2("./221/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 290.325182][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 290.335260][ T28] Call Trace: [ 290.338575][ T28] [ 290.341553][ T28] dump_stack_lvl+0xd9/0x150 [ 290.346313][ T28] nmi_cpu_backtrace+0x29c/0x350 [ 290.351321][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 290.356568][ T28] nmi_trigger_cpumask_backtrace+0x2a4/0x300 [ 290.362596][ T28] watchdog+0xe16/0x1090 [ 290.368184][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 290.374180][ T28] kthread+0x344/0x440 [ 290.378256][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 290.383899][ T28] ret_from_fork+0x1f/0x30 [ 290.388335][ T28] [ 290.391492][ T28] Sending NMI from CPU 1 to CPUs 0: [ 290.396756][ C0] NMI backtrace for cpu 0 [ 290.396766][ C0] CPU: 0 PID: 5004 Comm: syz-executor133 Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 290.396791][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 290.396801][ C0] RIP: 0010:__lock_acquire+0x315/0x5f30 [ 290.396833][ C0] Code: 02 00 0f 85 1b 3f 00 00 48 8b 44 24 20 48 8d bd ac 0a 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 fe 48 89 7c 24 40 49 89 47 18 <65> 8b 05 6c 23 9d 7e 85 c0 0f 95 c0 48 c1 ee 03 83 e7 07 0f b6 34 [ 290.396851][ C0] RSP: 0018:ffffc90003acfa30 EFLAGS: 00000046 [ 290.396866][ C0] RAX: 0000000000000000 RBX: 1ffff92000759f76 RCX: 0000000000000000 [ 290.396879][ C0] RDX: dffffc0000000000 RSI: ffff8880286de3ec RDI: ffff8880286de3ec [ 290.396891][ C0] RBP: ffff8880286dd940 R08: 0000000000000000 R09: 0000000000000000 [ 290.396904][ C0] R10: 1ffff110050dbc8f R11: 0000000000000082 R12: ffff88807857e0a8 [ 290.396916][ C0] R13: 0000000000000000 R14: ffff8880286de458 R15: ffff8880286de480 [ 290.396928][ C0] FS: 00005555568c8300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 290.396948][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 290.396961][ C0] CR2: 00005555568d9668 CR3: 00000000273c2000 CR4: 00000000003506f0 [ 290.396973][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 290.396984][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 290.396995][ C0] Call Trace: [ 290.397000][ C0] [ 290.397012][ C0] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 290.397049][ C0] ? find_held_lock+0x2d/0x110 [ 290.397074][ C0] lock_acquire.part.0+0x11c/0x370 [ 290.397102][ C0] ? __dentry_kill+0x438/0x640 [ 290.397129][ C0] ? lock_sync+0x190/0x190 [ 290.397155][ C0] ? rcu_is_watching+0x12/0xb0 [ 290.397174][ C0] ? trace_lock_acquire+0x12d/0x180 [ 290.397200][ C0] ? __dentry_kill+0x438/0x640 [ 290.397222][ C0] ? lock_acquire+0x32/0xc0 [ 290.397247][ C0] ? __dentry_kill+0x438/0x640 [ 290.397270][ C0] _raw_spin_lock+0x2e/0x40 [ 290.397297][ C0] ? __dentry_kill+0x438/0x640 [ 290.397320][ C0] __dentry_kill+0x438/0x640 [ 290.397344][ C0] shrink_dentry_list+0x12c/0x4f0 [ 290.397371][ C0] shrink_dcache_parent+0x202/0x400 [ 290.397396][ C0] ? shrink_dcache_sb+0x360/0x360 [ 290.397427][ C0] ? down_write_killable_nested+0x250/0x250 [ 290.397464][ C0] ? lockref_get+0x15/0x50 [ 290.397514][ C0] vfs_rmdir.part.0+0x272/0x5a0 [ 290.397540][ C0] do_rmdir+0x3ae/0x430 [ 290.397568][ C0] ? __ia32_sys_mkdir+0x140/0x140 [ 290.397600][ C0] ? getname_flags.part.0+0x1dd/0x4f0 [ 290.397631][ C0] __x64_sys_rmdir+0xca/0x110 [ 290.397659][ C0] do_syscall_64+0x39/0xb0 [ 290.397688][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 290.397717][ C0] RIP: 0033:0x7fe5884ce567 [ 290.397730][ C0] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 54 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 290.397748][ C0] RSP: 002b:00007ffcc568faa8 EFLAGS: 00000207 ORIG_RAX: 0000000000000054 [ 290.397765][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe5884ce567 [ 290.397777][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffcc5690c20 [ 290.397788][ C0] RBP: 00007ffcc568fb60 R08: 0000000000000000 R09: 00007ffcc568f940 [ 290.397800][ C0] R10: 00005555568c964b R11: 0000000000000207 R12: 00007ffcc5690c20 [pid 5004] lstat("./221/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./221/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./221/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568d1660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568d1660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./221/bus") = 0 [pid 5004] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./221/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./221/binderfs") = 0 [pid 5004] getdents64(3, 0x5555568c9620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./221") = 0 [pid 5004] mkdir("./222", 0777 [pid 8738] <... futex resumed>) = ? [pid 5004] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568c85d0) = 8741 ./strace-static-x86_64: Process 8741 attached [pid 8741] set_robust_list(0x5555568c85e0, 24) = 0 [pid 8741] chdir("./222") = 0 [pid 8741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8741] setpgid(0, 0) = 0 [pid 8741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8741] write(3, "1000", 4) = 4 [pid 8741] close(3) = 0 [pid 8741] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8741] futex(0x7fe58855478c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe58845a000 [pid 8741] mprotect(0x7fe58845b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8741] clone(child_stack=0x7fe58847a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8742], tls=0x7fe58847a700, child_tidptr=0x7fe58847a9d0) = 8742 [pid 8741] futex(0x7fe588554788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8741] futex(0x7fe58855478c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8738] +++ exited with 0 +++ [pid 8729] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8729, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5008] umount2("./224", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8742 attached ) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x5555568c9620 /* 4 entries */, 32768) = 104 [ 290.397812][ C0] R13: 0000000000000065 R14: 00007ffcc568fad0 R15: 00007ffcc5690c40 [ 290.397831][ C0] [ 290.397837][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.081 msecs [ 290.764069][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 290.770965][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 290.780278][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 290.790352][ T28] Call Trace: [ 290.793637][ T28] [ 290.796567][ T28] dump_stack_lvl+0xd9/0x150 [ 290.801182][ T28] panic+0x686/0x730 [ 290.805791][ T28] ? panic_smp_self_stop+0xa0/0xa0 [ 290.810922][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 290.816130][ T28] ? preempt_schedule_thunk+0x1a/0x20 [ 290.821517][ T28] ? watchdog+0xbe8/0x1090 [ 290.825954][ T28] watchdog+0xbf9/0x1090 [ 290.830213][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 290.836217][ T28] kthread+0x344/0x440 [ 290.840295][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 290.845945][ T28] ret_from_fork+0x1f/0x30 [ 290.850384][ T28] [ 290.853640][ T28] Kernel Offset: disabled [ 290.858049][ T28] Rebooting in 86400 seconds..