./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