./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor573251858 <...> 3 [pid 5011] lstat("./100/file0", [pid 5008] rmdir("./98/file0" [pid 7177] <... memfd_create resumed>) = 3 [pid 7176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7176] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, [pid 7177] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] close(3 [pid 5011] <... openat resumed>) = 4 [pid 5008] <... close resumed>) = 0 [pid 5011] fstat(4, [pid 5008] rmdir("./98" [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5011] getdents64(4, [pid 5008] mkdir("./99", 0777 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, [pid 5008] <... mkdir resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5011] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5011] rmdir("./100/file0" [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5011] <... rmdir resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] getdents64(3, [pid 5008] close(3 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] <... close resumed>) = 0 [pid 5011] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] rmdir("./100") = 0 [pid 5011] mkdir("./101", 0777 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7178 [pid 5011] <... mkdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7179 ./strace-static-x86_64: Process 7178 attached [pid 7178] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7178] chdir("./99"./strace-static-x86_64: Process 7179 attached ) = 0 [pid 7179] set_robust_list(0x555556dec5e0, 24 [pid 7178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7179] <... set_robust_list resumed>) = 0 [pid 7179] chdir("./101") = 0 [pid 7178] <... prctl resumed>) = 0 [pid 7176] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7179] setpgid(0, 0 [pid 7178] setpgid(0, 0 [pid 7179] <... setpgid resumed>) = 0 [pid 7179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7178] <... setpgid resumed>) = 0 [pid 7177] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7179] <... openat resumed>) = 3 [pid 7179] write(3, "1000", 4) = 4 [pid 7179] close(3 [pid 7178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7179] <... close resumed>) = 0 [pid 7179] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7179] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7179] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7179] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7180], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7180 [pid 7178] <... openat resumed>) = 3 [pid 7179] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] write(3, "1000", 4) = 4 [pid 7178] close(3 [pid 7179] <... futex resumed>) = 0 [pid 7178] <... close resumed>) = 0 [pid 7179] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7178] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7180 attached [pid 7180] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7178] <... symlink resumed>) = 0 [pid 7178] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7180] memfd_create("syzkaller", 0) = 3 [pid 7178] <... mmap resumed>) = 0x7f76b0b56000 [pid 7180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7178] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7180] <... mmap resumed>) = 0x7f76a8756000 [pid 7178] <... mprotect resumed>) = 0 [pid 7178] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7173] <... write resumed>) = 4194304 [pid 7178] <... clone resumed>, parent_tid=[7181], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7181 ./strace-static-x86_64: Process 7181 attached [pid 7178] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7173] munmap(0x7f76a8756000, 4194304 [pid 7178] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7181] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7181] memfd_create("syzkaller", 0 [pid 7173] <... munmap resumed>) = 0 [pid 7181] <... memfd_create resumed>) = 3 [pid 7181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7173] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7173] ioctl(4, LOOP_SET_FD, 3 [pid 7181] <... mmap resumed>) = 0x7f76a8756000 [pid 7173] <... ioctl resumed>) = 0 [pid 7173] close(3) = 0 [pid 7173] mkdir("./file0", 0777) = 0 [ 221.614756][ T7173] loop2: detected capacity change from 0 to 8192 [pid 7173] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 221.657928][ T7173] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7180] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7176] <... write resumed>) = 4194304 [pid 7176] munmap(0x7f76a8756000, 4194304) = 0 [pid 7176] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7176] ioctl(4, LOOP_SET_FD, 3 [pid 7181] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7176] <... ioctl resumed>) = 0 [pid 7177] <... write resumed>) = 4194304 [pid 7176] close(3) = 0 [pid 7176] mkdir("./file0", 0777) = 0 [ 221.702131][ T7173] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 221.712741][ T7176] loop4: detected capacity change from 0 to 8192 [ 221.723106][ T7173] REISERFS (device loop2): using ordered data mode [ 221.730279][ T7173] reiserfs: using flush barriers [pid 7176] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7181] <... write resumed>) = 4194304 [pid 7177] munmap(0x7f76a8756000, 4194304 [pid 7181] munmap(0x7f76a8756000, 4194304 [pid 7177] <... munmap resumed>) = 0 [pid 7181] <... munmap resumed>) = 0 [ 221.752205][ T7173] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 221.772158][ T7176] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.778090][ T7173] REISERFS (device loop2): checking transaction log (loop2) [pid 7177] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7181] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7177] <... openat resumed>) = 4 [pid 7177] ioctl(4, LOOP_SET_FD, 3 [pid 7181] <... openat resumed>) = 4 [pid 7181] ioctl(4, LOOP_SET_FD, 3 [pid 7177] <... ioctl resumed>) = 0 [pid 7177] close(3) = 0 [pid 7177] mkdir("./file0", 0777) = 0 [ 221.798249][ T7176] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 221.808449][ T7173] REISERFS (device loop2): Using r5 hash to sort names [ 221.815863][ T7176] REISERFS (device loop4): Using r5 hash to sort names [ 221.823060][ T7177] loop1: detected capacity change from 0 to 8192 [ 221.826683][ T7181] loop0: detected capacity change from 0 to 8192 [pid 7177] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7180] <... write resumed>) = 4194304 [pid 7181] <... ioctl resumed>) = 0 [pid 7180] munmap(0x7f76a8756000, 4194304 [pid 7181] close(3 [pid 7180] <... munmap resumed>) = 0 [ 221.844376][ T7173] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 221.848397][ T7176] reiserfs: using flush barriers [ 221.864179][ T7177] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.866976][ T7176] 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 7181] <... close resumed>) = 0 [pid 7180] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7181] mkdir("./file0", 0777 [pid 7180] <... openat resumed>) = 4 [pid 7181] <... mkdir resumed>) = 0 [pid 7180] ioctl(4, LOOP_SET_FD, 3 [pid 7181] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7180] <... ioctl resumed>) = 0 [ 221.879827][ T7177] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 221.896908][ T7173] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 221.904543][ T7177] REISERFS (device loop1): using ordered data mode [ 221.919600][ T7180] loop3: detected capacity change from 0 to 8192 [ 221.921178][ T7177] reiserfs: using flush barriers [ 221.934736][ T7177] 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 7180] close(3) = 0 [pid 7180] mkdir("./file0", 0777) = 0 [ 221.935801][ T7181] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.952264][ T7177] REISERFS (device loop1): checking transaction log (loop1) [ 221.973525][ T7177] REISERFS (device loop1): Using r5 hash to sort names [ 221.974494][ T7176] REISERFS (device loop4): checking transaction log (loop4) [ 221.980826][ T7177] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7180] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7177] <... mount resumed>) = 0 [pid 7173] <... mount resumed>) = 0 [pid 7177] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7173] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7177] <... openat resumed>) = 3 [pid 7173] <... openat resumed>) = 3 [ 222.001044][ T7177] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 222.010981][ T7181] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 222.020566][ T7181] REISERFS (device loop0): using ordered data mode [ 222.027868][ T7181] reiserfs: using flush barriers [ 222.028732][ T7180] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7177] chdir("./file0" [pid 7173] chdir("./file0" [pid 7177] <... chdir resumed>) = 0 [pid 7173] <... chdir resumed>) = 0 [ 222.035131][ T7181] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 222.053426][ T7176] REISERFS (device loop4): Using r5 hash to sort names [ 222.063627][ T7181] REISERFS (device loop0): checking transaction log (loop0) [ 222.073154][ T7180] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 222.078313][ T7176] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7177] ioctl(4, LOOP_CLR_FD [pid 7173] ioctl(4, LOOP_CLR_FD [pid 7177] <... ioctl resumed>) = 0 [pid 7176] <... mount resumed>) = 0 [pid 7173] <... ioctl resumed>) = 0 [pid 7177] close(4 [pid 7176] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 222.089583][ T7181] REISERFS (device loop0): Using r5 hash to sort names [ 222.102443][ T7176] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 222.111884][ T7180] REISERFS (device loop3): using ordered data mode [ 222.119768][ T7181] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 222.128712][ T7180] reiserfs: using flush barriers [ 222.138557][ T7181] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7173] close(4 [pid 7177] <... close resumed>) = 0 [pid 7176] <... openat resumed>) = 3 [pid 7173] <... close resumed>) = 0 [pid 7177] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] chdir("./file0" [pid 7173] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] <... futex resumed>) = 1 [pid 7176] <... chdir resumed>) = 0 [pid 7177] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7176] ioctl(4, LOOP_CLR_FD [pid 7173] <... futex resumed>) = 1 [pid 7172] <... futex resumed>) = 0 [pid 7176] <... ioctl resumed>) = 0 [pid 7175] <... futex resumed>) = 0 [pid 7173] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] close(4 [pid 7173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7172] <... futex resumed>) = 0 [pid 7176] <... close resumed>) = 0 [pid 7173] mkdir("./file1", 000 [pid 7176] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7176] <... futex resumed>) = 1 [pid 7175] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] <... futex resumed>) = 0 [pid 7173] <... mkdir resumed>) = 0 [pid 7177] <... futex resumed>) = 0 [pid 7176] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7175] <... futex resumed>) = 1 [pid 7174] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] mkdir("./file1", 000 [pid 7176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7175] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7174] <... futex resumed>) = 0 [pid 7173] <... futex resumed>) = 1 [pid 7172] <... futex resumed>) = 0 [pid 7177] <... mkdir resumed>) = 0 [pid 7176] mkdir("./file1", 000 [pid 7174] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7177] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] <... mkdir resumed>) = 0 [pid 7173] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... mount resumed>) = 0 [pid 7177] <... futex resumed>) = 1 [pid 7176] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] <... futex resumed>) = 0 [pid 7173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7172] <... futex resumed>) = 0 [pid 7181] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7177] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7176] <... futex resumed>) = 1 [pid 7175] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] <... futex resumed>) = 0 [pid 7173] mkdir("./bus", 000 [pid 7172] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] <... openat resumed>) = 3 [pid 7177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7176] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7175] <... futex resumed>) = 0 [pid 7174] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... mkdir resumed>) = 0 [pid 7181] chdir("./file0" [pid 7177] mkdir("./bus", 000 [pid 7176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7175] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7174] <... futex resumed>) = 0 [pid 7173] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... chdir resumed>) = 0 [pid 7177] <... mkdir resumed>) = 0 [pid 7176] mkdir("./bus", 000 [pid 7174] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7173] <... futex resumed>) = 1 [pid 7172] <... futex resumed>) = 0 [pid 7181] ioctl(4, LOOP_CLR_FD [pid 7177] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] <... mkdir resumed>) = 0 [pid 7173] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... ioctl resumed>) = 0 [pid 7177] <... futex resumed>) = 1 [pid 7176] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] <... futex resumed>) = 0 [pid 7173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7172] <... futex resumed>) = 0 [pid 7181] close(4 [pid 7177] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7176] <... futex resumed>) = 1 [pid 7175] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] <... futex resumed>) = 0 [pid 7173] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7172] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] <... close resumed>) = 0 [pid 7177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7176] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7175] <... futex resumed>) = 0 [ 222.149705][ T7180] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7174] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] <... futex resumed>) = 1 [pid 7178] <... futex resumed>) = 0 [pid 7181] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7178] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7178] <... futex resumed>) = 0 [pid 7181] mkdir("./file1", 000 [pid 7178] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7177] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7174] <... futex resumed>) = 0 [pid 7181] <... mkdir resumed>) = 0 [pid 7181] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7174] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] <... futex resumed>) = 1 [pid 7178] <... futex resumed>) = 0 [pid 7181] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7178] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7178] <... futex resumed>) = 0 [pid 7181] mkdir("./bus", 000 [pid 7178] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] <... mkdir resumed>) = 0 [pid 7181] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7178] <... futex resumed>) = 0 [pid 7181] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7178] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7178] <... futex resumed>) = 0 [pid 7181] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 222.209979][ T7173] overlayfs: upper fs needs to support d_type. [ 222.220430][ T7177] overlayfs: upper fs needs to support d_type. [ 222.228656][ T7176] overlayfs: upper fs needs to support d_type. [ 222.235022][ T7176] overlayfs: upper fs does not support tmpfile. [ 222.238708][ T7180] REISERFS (device loop3): checking transaction log (loop3) [ 222.244696][ T7173] overlayfs: upper fs does not support tmpfile. [pid 7178] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7175] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7172] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7175] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7175] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7172] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7172] <... futex resumed>) = 0 [pid 7172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7175] <... clone resumed>, parent_tid=[7187], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7187 [pid 7172] <... mmap resumed>) = 0x7f76a8b35000 [pid 7175] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7175] <... futex resumed>) = 0 [pid 7175] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7174] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7172] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7187 attached [pid 7174] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7187] set_robust_list(0x7f76a8b559e0, 24 [pid 7174] <... futex resumed>) = 0 [pid 7187] <... set_robust_list resumed>) = 0 [pid 7178] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7172] <... clone resumed>, parent_tid=[7188], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7188 [pid 7187] mkdir(".", 0777 [pid 7178] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7178] <... futex resumed>) = 0 [pid 7187] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7188 attached ) = 0x7f76a8b35000 [pid 7174] <... mmap resumed>) = 0x7f76a8b35000 [pid 7172] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [ 222.251470][ T7181] overlayfs: upper fs needs to support d_type. [ 222.259606][ T7177] overlayfs: upper fs does not support tmpfile. [ 222.281354][ T7181] overlayfs: upper fs does not support tmpfile. [ 222.286826][ T7176] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 222.297968][ T7177] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7178] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7188] set_robust_list(0x7f76a8b559e0, 24 [pid 7178] <... mprotect resumed>) = 0 [pid 7174] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7172] <... futex resumed>) = 0 [pid 7178] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7189], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7189 [pid 7178] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7178] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7172] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7189 attached [pid 7188] <... set_robust_list resumed>) = 0 [pid 7174] <... mprotect resumed>) = 0 [pid 7189] set_robust_list(0x7f76a8b559e0, 24 [pid 7188] mkdir(".", 0777 [pid 7174] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7188] <... mkdir resumed>) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 7190 attached [pid 7189] <... set_robust_list resumed>) = 0 [ 222.303869][ T7187] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 222.312185][ T7176] overlayfs: failed to resolve './file0': -2 [ 222.332095][ T7173] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 222.333360][ T7180] REISERFS (device loop3): Using r5 hash to sort names [ 222.353261][ T7181] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7188] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7174] <... clone resumed>, parent_tid=[7190], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7190 [pid 7189] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7174] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7174] <... futex resumed>) = 0 [pid 7190] set_robust_list(0x7f76a8b559e0, 24 [pid 7188] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7174] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7176] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7190] <... set_robust_list resumed>) = 0 [pid 7188] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 222.357759][ T7173] overlayfs: failed to resolve './file0': -2 [ 222.377760][ T7188] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 222.378294][ T7189] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7190] mkdir(".", 0777 [pid 7188] <... futex resumed>) = 1 [pid 7176] <... futex resumed>) = 0 [pid 7173] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] <... futex resumed>) = 0 [pid 7190] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7188] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7187] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7176] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7173] <... futex resumed>) = 0 [pid 7172] exit_group(0 [pid 7177] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 222.408490][ T7177] overlayfs: failed to resolve './file0': -2 [ 222.426363][ T7180] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 222.440407][ T7180] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7190] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7187] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] <... exit_group resumed>) = ? [pid 7177] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7188] <... futex resumed>) = ? [pid 7187] <... futex resumed>) = 1 [pid 7180] <... mount resumed>) = 0 [pid 7177] <... futex resumed>) = 0 [pid 7189] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] +++ exited with 0 +++ [pid 7187] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7180] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7177] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7173] +++ exited with 0 +++ [pid 7172] +++ exited with 0 +++ [pid 7189] <... futex resumed>) = 1 [pid 7180] <... openat resumed>) = 3 [pid 7189] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7180] chdir("./file0") = 0 [pid 7180] ioctl(4, LOOP_CLR_FD) = 0 [pid 7180] close(4) = 0 [pid 7180] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7179] <... futex resumed>) = 0 [pid 7180] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7179] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7179] <... futex resumed>) = 0 [pid 7180] mkdir("./file1", 000 [pid 7179] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7180] <... mkdir resumed>) = 0 [pid 7180] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7179] <... futex resumed>) = 0 [pid 7180] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7179] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7179] <... futex resumed>) = 0 [pid 7180] mkdir("./bus", 000 [pid 7179] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7180] <... mkdir resumed>) = 0 [pid 7180] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7179] <... futex resumed>) = 0 [pid 7180] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7179] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7179] <... futex resumed>) = 0 [pid 7180] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7179] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7178] <... futex resumed>) = 0 [pid 7175] <... futex resumed>) = 0 [pid 7175] exit_group(0 [pid 7187] <... futex resumed>) = ? [pid 7177] <... futex resumed>) = ? [pid 7175] <... exit_group resumed>) = ? [pid 7190] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7187] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7172, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7190] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] +++ exited with 0 +++ [pid 7175] +++ exited with 0 +++ [pid 7181] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7190] <... futex resumed>) = 1 [pid 7181] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] <... futex resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7190] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7181] <... futex resumed>) = 0 [pid 7178] exit_group(0 [pid 7174] exit_group(0 [pid 5010] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7175, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 7189] <... futex resumed>) = ? [pid 7178] <... exit_group resumed>) = ? [pid 7189] +++ exited with 0 +++ [pid 7176] <... futex resumed>) = ? [pid 7174] <... exit_group resumed>) = ? [pid 5010] <... openat resumed>) = 3 [pid 5009] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7190] <... futex resumed>) = ? [pid 7176] +++ exited with 0 +++ [pid 7190] +++ exited with 0 +++ [pid 7181] +++ exited with 0 +++ [ 222.445927][ T7190] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 222.464240][ T7181] overlayfs: failed to resolve './file0': -2 [ 222.472175][ T7180] overlayfs: upper fs needs to support d_type. [ 222.483608][ T7180] overlayfs: upper fs does not support tmpfile. [ 222.494349][ T7180] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7178] +++ exited with 0 +++ [pid 7174] +++ exited with 0 +++ [pid 5010] fstat(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7179] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7174, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7178, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 7179] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] getdents64(3, [pid 5009] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] fstat(3, [pid 5012] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7179] <... futex resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] lstat("./100/binderfs", [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] <... openat resumed>) = 3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 3 [pid 7179] <... mmap resumed>) = 0x7f76a8b35000 [pid 5012] fstat(3, [pid 5010] unlink("./100/binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(3, [pid 7179] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5009] lstat("./99/binderfs", [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7179] <... mprotect resumed>) = 0 [pid 5012] getdents64(3, [pid 5010] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] getdents64(3, [pid 7179] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] unlink("./99/binderfs" [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... unlink resumed>) = 0 [pid 5008] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7179] <... clone resumed>, parent_tid=[7191], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7191 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7179] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] lstat("./100/binderfs", [pid 5008] lstat("./99/binderfs", [pid 7179] <... futex resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7191 attached [pid 7179] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] unlink("./100/binderfs" [pid 5008] unlink("./99/binderfs" [pid 7191] set_robust_list(0x7f76a8b559e0, 24 [pid 5012] <... unlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 7191] <... set_robust_list resumed>) = 0 [pid 5012] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7191] mkdir(".", 0777) = -1 EEXIST (File exists) [ 222.506637][ T7180] overlayfs: failed to resolve './file0': -2 [pid 7191] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7180] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7180] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7180] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7191] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = 0 [pid 7191] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7179] <... futex resumed>) = 0 [pid 5008] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7191] <... futex resumed>) = 1 [pid 7179] exit_group(0 [pid 7180] <... futex resumed>) = ? [pid 7179] <... exit_group resumed>) = ? [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7191] +++ exited with 0 +++ [pid 7180] +++ exited with 0 +++ [pid 7179] +++ exited with 0 +++ [pid 5008] lstat("./99/file0", [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7179, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 5008] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... restart_syscall resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 222.572309][ T7191] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] openat(AT_FDCWD, "./99/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] fstat(4, [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] getdents64(4, [pid 5011] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] fstat(3, [pid 5008] getdents64(4, [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] getdents64(3, [pid 5008] close(4 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... close resumed>) = 0 [pid 5011] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] rmdir("./99/file0" [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./101/binderfs", [pid 5008] <... rmdir resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] getdents64(3, [pid 5011] unlink("./101/binderfs" [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5008] close(3 [pid 5011] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./99") = 0 [pid 5008] mkdir("./100", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", 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./strace-static-x86_64: Process 7192 attached , child_tidptr=0x555556dec5d0) = 7192 [pid 7192] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7192] chdir("./100") = 0 [pid 7192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7192] setpgid(0, 0) = 0 [pid 7192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7192] write(3, "1000", 4) = 4 [pid 7192] close(3) = 0 [pid 7192] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7192] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7192] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7192] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7192] <... clone resumed>, parent_tid=[7193], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7193 [pid 5010] lstat("./100/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, [pid 7192] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4 [pid 7192] <... futex resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 7192] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] rmdir("./100/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./100") = 0 [pid 5010] mkdir("./101", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5012] <... umount2 resumed>) = 0 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 5012] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... close resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7193 attached [pid 7193] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7193] memfd_create("syzkaller", 0 [pid 5012] lstat("./100/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7194 ./strace-static-x86_64: Process 7194 attached [pid 5012] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7194] set_robust_list(0x555556dec5e0, 24 [pid 7193] <... memfd_create resumed>) = 3 [pid 7194] <... set_robust_list resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7194] chdir("./101" [pid 5012] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7194] <... chdir resumed>) = 0 [pid 7194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... openat resumed>) = 4 [pid 7194] <... prctl resumed>) = 0 [pid 7193] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] fstat(4, [pid 7194] setpgid(0, 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7194] <... setpgid resumed>) = 0 [pid 5012] getdents64(4, [pid 7194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... umount2 resumed>) = 0 [pid 7194] <... openat resumed>) = 3 [pid 5012] getdents64(4, [pid 5011] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7194] write(3, "1000", 4 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7194] <... write resumed>) = 4 [pid 5012] close(4 [pid 5011] lstat("./101/file0", [pid 7194] close(3 [pid 5012] <... close resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7194] <... close resumed>) = 0 [pid 5012] rmdir("./100/file0" [pid 5011] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7194] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... rmdir resumed>) = 0 [pid 7194] <... symlink resumed>) = 0 [pid 7194] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7194] <... futex resumed>) = 0 [pid 5012] getdents64(3, [pid 5011] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... openat resumed>) = 4 [pid 7194] <... mmap resumed>) = 0x7f76b0b56000 [pid 5012] close(3 [pid 5011] fstat(4, [pid 7194] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... close resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7194] <... mprotect resumed>) = 0 [pid 5012] rmdir("./100" [pid 5011] getdents64(4, [pid 7194] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... rmdir resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7194] <... clone resumed>, parent_tid=[7195], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7195 [pid 5012] mkdir("./101", 0777 [pid 5011] getdents64(4, [pid 7194] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7195 attached [pid 7194] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] close(4 [pid 7195] set_robust_list(0x7f76b0b769e0, 24 [pid 5012] <... openat resumed>) = 3 [pid 5011] <... close resumed>) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 7195] <... set_robust_list resumed>) = 0 [pid 5011] rmdir("./101/file0" [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] close(3 [pid 5011] <... rmdir resumed>) = 0 [pid 7195] memfd_create("syzkaller", 0 [pid 5012] <... close resumed>) = 0 [pid 5011] getdents64(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] lstat("./99/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7195] <... memfd_create resumed>) = 3 [pid 5011] close(3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7196 [pid 5011] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./99/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7195] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] rmdir("./101" [pid 5009] <... openat resumed>) = 4 [pid 5009] fstat(4, [pid 5011] <... rmdir resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7196 attached [pid 5011] mkdir("./102", 0777 [pid 5009] getdents64(4, [pid 7196] set_robust_list(0x555556dec5e0, 24 [pid 5011] <... mkdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7196] <... set_robust_list resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5009] getdents64(4, [pid 7196] chdir("./101" [pid 5011] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7196] <... chdir resumed>) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5009] close(4 [pid 7196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... close resumed>) = 0 [pid 7196] <... prctl resumed>) = 0 [pid 5009] rmdir("./99/file0" [pid 7196] setpgid(0, 0 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7196] <... setpgid resumed>) = 0 [pid 5011] close(3 [pid 7196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] <... close resumed>) = 0 [pid 7196] <... openat resumed>) = 3 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7196] write(3, "1000", 4) = 4 [pid 7196] close(3 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7197 [pid 7196] <... close resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 7196] symlink("/dev/binderfs", "./binderfs" [pid 5009] getdents64(3, [pid 7196] <... symlink resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7197 attached [pid 7196] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] close(3 [pid 7197] set_robust_list(0x555556dec5e0, 24 [pid 7196] <... futex resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 7197] <... set_robust_list resumed>) = 0 [pid 7196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] rmdir("./99" [pid 7196] <... mmap resumed>) = 0x7f76b0b56000 [pid 7197] chdir("./102" [pid 7196] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7197] <... chdir resumed>) = 0 [pid 7196] <... mprotect resumed>) = 0 [pid 7197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7196] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7197] <... prctl resumed>) = 0 [pid 7196] <... clone resumed>, parent_tid=[7198], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7198 [pid 7197] setpgid(0, 0 [pid 7196] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... setpgid resumed>) = 0 [pid 7196] <... futex resumed>) = 0 [pid 7197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7196] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7197] <... openat resumed>) = 3 [pid 7197] write(3, "1000", 4) = 4 [pid 7197] close(3) = 0 [pid 7197] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7198 attached [pid 7198] set_robust_list(0x7f76b0b769e0, 24 [pid 7197] <... symlink resumed>) = 0 [pid 7197] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7198] <... set_robust_list resumed>) = 0 [pid 7197] <... mmap resumed>) = 0x7f76b0b56000 [pid 7193] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7198] memfd_create("syzkaller", 0 [pid 7197] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7198] <... memfd_create resumed>) = 3 [pid 7198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7197] <... mprotect resumed>) = 0 [pid 7198] <... mmap resumed>) = 0x7f76a8756000 [pid 7197] clone(child_stack=0x7f76b0b763f0, 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 7199 attached [pid 5009] <... rmdir resumed>) = 0 [pid 7199] set_robust_list(0x7f76b0b769e0, 24 [pid 7197] <... clone resumed>, parent_tid=[7199], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7199 [pid 5009] mkdir("./100", 0777 [pid 7199] <... set_robust_list resumed>) = 0 [pid 7197] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... mkdir resumed>) = 0 [pid 7199] memfd_create("syzkaller", 0 [pid 7197] <... futex resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7199] <... memfd_create resumed>) = 3 [pid 7197] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] <... openat resumed>) = 3 [pid 7199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 7199] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7200 ./strace-static-x86_64: Process 7200 attached [pid 7200] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7200] chdir("./100") = 0 [pid 7200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7200] setpgid(0, 0) = 0 [pid 7200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7200] write(3, "1000", 4 [pid 7195] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7200] <... write resumed>) = 4 [pid 7200] close(3) = 0 [pid 7200] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7200] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7200] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7200] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7201], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7201 [pid 7200] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7200] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7201 attached [pid 7201] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7201] memfd_create("syzkaller", 0) = 3 [pid 7201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7199] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7198] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7195] <... write resumed>) = 4194304 [pid 7195] munmap(0x7f76a8756000, 4194304) = 0 [pid 7195] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7201] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7195] <... openat resumed>) = 4 [pid 7193] <... write resumed>) = 4194304 [pid 7195] ioctl(4, LOOP_SET_FD, 3 [pid 7193] munmap(0x7f76a8756000, 4194304) = 0 [pid 7193] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7193] ioctl(4, LOOP_SET_FD, 3 [pid 7195] <... ioctl resumed>) = 0 [pid 7195] close(3) = 0 [pid 7195] mkdir("./file0", 0777) = 0 [pid 7195] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7199] <... write resumed>) = 4194304 [pid 7199] munmap(0x7f76a8756000, 4194304 [pid 7193] <... ioctl resumed>) = 0 [pid 7193] close(3) = 0 [pid 7193] mkdir("./file0", 0777) = 0 [pid 7193] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7199] <... munmap resumed>) = 0 [ 223.066826][ T7195] loop2: detected capacity change from 0 to 8192 [ 223.075542][ T7193] loop0: detected capacity change from 0 to 8192 [ 223.096031][ T7195] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7199] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 223.119302][ T7193] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.132831][ T7193] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 223.135635][ T7195] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 223.142640][ T7193] REISERFS (device loop0): using ordered data mode [ 223.152854][ T7199] loop3: detected capacity change from 0 to 8192 [ 223.158228][ T7193] reiserfs: using flush barriers [pid 7199] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7199] close(3) = 0 [pid 7199] mkdir("./file0", 0777) = 0 [pid 7199] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7198] <... write resumed>) = 4194304 [pid 7198] munmap(0x7f76a8756000, 4194304) = 0 [pid 7198] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 223.170644][ T7193] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.189365][ T7199] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.195375][ T7195] REISERFS (device loop2): using ordered data mode [ 223.208786][ T7198] loop4: detected capacity change from 0 to 8192 [pid 7198] ioctl(4, LOOP_SET_FD, 3 [pid 7201] <... write resumed>) = 4194304 [pid 7198] <... ioctl resumed>) = 0 [pid 7198] close(3) = 0 [pid 7198] mkdir("./file0", 0777) = 0 [pid 7201] munmap(0x7f76a8756000, 4194304 [pid 7198] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7201] <... munmap resumed>) = 0 [pid 7201] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7201] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7201] close(3) = 0 [ 223.213956][ T7193] REISERFS (device loop0): checking transaction log (loop0) [ 223.221206][ T7195] reiserfs: using flush barriers [ 223.224436][ T7193] REISERFS (device loop0): Using r5 hash to sort names [ 223.232847][ T7199] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 223.238220][ T7193] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.249309][ T7201] loop1: detected capacity change from 0 to 8192 [pid 7201] mkdir("./file0", 0777 [pid 7193] <... mount resumed>) = 0 [pid 7193] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7193] chdir("./file0") = 0 [pid 7193] ioctl(4, LOOP_CLR_FD) = 0 [pid 7193] close(4) = 0 [pid 7193] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7192] <... futex resumed>) = 0 [pid 7193] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7192] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7192] <... futex resumed>) = 0 [pid 7193] mkdir("./file1", 000 [pid 7192] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7193] <... mkdir resumed>) = 0 [pid 7193] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7192] <... futex resumed>) = 0 [pid 7193] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7192] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7192] <... futex resumed>) = 0 [ 223.256940][ T7193] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 223.272800][ T7198] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.274476][ T7195] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.285897][ T7198] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 223.286002][ T7198] REISERFS (device loop4): using ordered data mode [pid 7193] mkdir("./bus", 000 [pid 7192] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7201] <... mkdir resumed>) = 0 [pid 7193] <... mkdir resumed>) = 0 [pid 7193] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7201] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7193] <... futex resumed>) = 1 [pid 7192] <... futex resumed>) = 0 [pid 7193] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7192] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7192] <... futex resumed>) = 0 [pid 7193] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 223.323800][ T7193] overlayfs: upper fs needs to support d_type. [ 223.333611][ T7195] REISERFS (device loop2): checking transaction log (loop2) [ 223.341401][ T7199] REISERFS (device loop3): using ordered data mode [ 223.345411][ T7201] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.348236][ T7199] reiserfs: using flush barriers [ 223.363626][ T7198] reiserfs: using flush barriers [pid 7192] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7192] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7192] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7192] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7207], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7207 [pid 7192] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 223.367211][ T7195] REISERFS (device loop2): Using r5 hash to sort names [ 223.372766][ T7198] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.379206][ T7193] overlayfs: upper fs does not support tmpfile. [ 223.398679][ T7198] REISERFS (device loop4): checking transaction log (loop4) [ 223.411284][ T7198] REISERFS (device loop4): Using r5 hash to sort names [pid 7192] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7207 attached [ 223.411415][ T7195] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.418470][ T7198] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.431653][ T7199] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.459917][ T7198] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7207] set_robust_list(0x7f76a8b559e0, 24 [pid 7198] <... mount resumed>) = 0 [pid 7198] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7198] chdir("./file0") = 0 [pid 7198] ioctl(4, LOOP_CLR_FD) = 0 [pid 7198] close(4) = 0 [pid 7198] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = 0 [pid 7196] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7196] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7198] <... futex resumed>) = 1 [pid 7198] mkdir("./file1", 000) = 0 [pid 7198] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = 0 [pid 7196] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7196] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7198] <... futex resumed>) = 1 [pid 7198] mkdir("./bus", 000) = 0 [pid 7198] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = 0 [pid 7196] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7196] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7198] <... futex resumed>) = 1 [pid 7198] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7207] <... set_robust_list resumed>) = 0 [pid 7207] mkdir(".", 0777) = -1 EEXIST (File exists) [ 223.464821][ T7201] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 223.478219][ T7198] overlayfs: upper fs needs to support d_type. [ 223.485817][ T7198] overlayfs: upper fs does not support tmpfile. [ 223.493191][ T7198] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 223.493736][ T7193] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 223.503354][ T7198] overlayfs: failed to resolve './file0': -2 [ 223.515618][ T7201] REISERFS (device loop1): using ordered data mode [pid 7207] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7196] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7196] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7196] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7196] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7196] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7208], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7208 [pid 7196] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 223.522170][ T7201] reiserfs: using flush barriers [ 223.533100][ T7199] REISERFS (device loop3): checking transaction log (loop3) [ 223.540302][ T7207] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 223.543630][ T7195] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7196] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7208 attached [pid 7207] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7207] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] <... futex resumed>) = 0 [pid 7207] <... futex resumed>) = 1 [pid 7207] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7195] <... mount resumed>) = 0 [pid 7195] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7195] chdir("./file0") = 0 [pid 7195] ioctl(4, LOOP_CLR_FD) = 0 [pid 7195] close(4) = 0 [pid 7195] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] <... futex resumed>) = 0 [pid 7194] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7194] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7195] <... futex resumed>) = 1 [pid 7198] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7208] set_robust_list(0x7f76a8b559e0, 24 [pid 7198] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7198] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7195] mkdir("./file1", 000) = 0 [pid 7195] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] <... futex resumed>) = 0 [pid 7194] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7194] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7195] <... futex resumed>) = 1 [pid 7195] mkdir("./bus", 000) = 0 [pid 7195] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] <... futex resumed>) = 0 [pid 7194] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] <... set_robust_list resumed>) = 0 [pid 7194] <... futex resumed>) = 0 [pid 7194] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7208] mkdir(".", 0777 [pid 7195] <... futex resumed>) = 1 [pid 7195] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7208] <... mkdir resumed>) = -1 EEXIST (File exists) [ 223.563079][ T7201] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.582311][ T7193] overlayfs: failed to resolve './file0': -2 [ 223.589596][ T7199] REISERFS (device loop3): Using r5 hash to sort names [ 223.593817][ T7195] overlayfs: upper fs needs to support d_type. [ 223.597634][ T7199] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7208] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7194] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7193] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7194] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7193] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7194] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7192] exit_group(0 [pid 7207] <... futex resumed>) = ? [pid 7194] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7192] <... exit_group resumed>) = ? [pid 7207] +++ exited with 0 +++ [pid 7194] <... clone resumed>, parent_tid=[7209], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7209 [pid 7194] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7194] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7208] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7199] <... mount resumed>) = 0 [pid 7208] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 7209 attached [pid 7209] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7209] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7209] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7193] +++ exited with 0 +++ [pid 7192] +++ exited with 0 +++ [pid 7199] <... openat resumed>) = 3 [pid 7208] <... futex resumed>) = 1 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7192, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 7199] chdir("./file0" [pid 7196] <... futex resumed>) = 0 [pid 7196] exit_group(0 [pid 7198] <... futex resumed>) = ? [pid 7196] <... exit_group resumed>) = ? [pid 7198] +++ exited with 0 +++ [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7208] +++ exited with 0 +++ [pid 7196] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7196, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 7199] <... chdir resumed>) = 0 [pid 7199] ioctl(4, LOOP_CLR_FD [pid 5008] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7199] <... ioctl resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7199] close(4 [ 223.621663][ T7195] overlayfs: upper fs does not support tmpfile. [ 223.622420][ T7199] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 223.641850][ T7208] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 223.644996][ T7201] REISERFS (device loop1): checking transaction log (loop1) [ 223.657040][ T7195] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5008] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7199] <... close resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... openat resumed>) = 3 [pid 7199] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... openat resumed>) = 3 [pid 5008] fstat(3, [pid 7199] <... futex resumed>) = 1 [pid 7197] <... futex resumed>) = 0 [pid 5012] fstat(3, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7199] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7197] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7195] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 7199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7197] <... futex resumed>) = 0 [pid 7195] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(3, [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7199] mkdir("./file1", 000 [pid 7197] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7195] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7199] <... mkdir resumed>) = 0 [pid 7195] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7199] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./100/binderfs", [pid 7199] <... futex resumed>) = 1 [pid 7197] <... futex resumed>) = 0 [pid 5012] lstat("./101/binderfs", [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7199] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7197] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./100/binderfs" [pid 7199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7197] <... futex resumed>) = 0 [pid 5012] unlink("./101/binderfs" [pid 5008] <... unlink resumed>) = 0 [pid 7199] mkdir("./bus", 000 [pid 7197] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... unlink resumed>) = 0 [pid 5008] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7199] <... mkdir resumed>) = 0 [pid 5012] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7199] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7197] <... futex resumed>) = 0 [pid 7199] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7197] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 223.683445][ T7195] overlayfs: failed to resolve './file0': -2 [ 223.689956][ T7209] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 223.705154][ T7201] REISERFS (device loop1): Using r5 hash to sort names [ 223.718503][ T7201] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7197] <... futex resumed>) = 0 [pid 7199] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7197] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7209] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 223.747662][ T7199] overlayfs: upper fs needs to support d_type. [ 223.754171][ T7199] overlayfs: upper fs does not support tmpfile. [ 223.783496][ T7201] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7209] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7194] <... futex resumed>) = 0 [pid 7209] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7194] exit_group(0 [pid 7209] <... futex resumed>) = ? [pid 7195] <... futex resumed>) = ? [pid 7194] <... exit_group resumed>) = ? [pid 7209] +++ exited with 0 +++ [pid 7201] <... mount resumed>) = 0 [pid 7195] +++ exited with 0 +++ [pid 7194] +++ exited with 0 +++ [pid 7201] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7194, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 7201] <... openat resumed>) = 3 [pid 7201] chdir("./file0") = 0 [pid 7197] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7201] ioctl(4, LOOP_CLR_FD [pid 7197] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7201] <... ioctl resumed>) = 0 [pid 7197] <... futex resumed>) = 0 [pid 5010] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7201] close(4 [pid 7197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7201] <... close resumed>) = 0 [pid 7197] <... mmap resumed>) = 0x7f76a8b35000 [pid 5010] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7201] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 223.787311][ T7199] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7197] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... openat resumed>) = 3 [pid 7201] <... futex resumed>) = 1 [pid 7200] <... futex resumed>) = 0 [pid 7197] <... mprotect resumed>) = 0 [pid 5010] fstat(3, [pid 5008] <... umount2 resumed>) = 0 [pid 7201] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7210 attached [pid 7201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7200] <... futex resumed>) = 0 [pid 5010] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7210] set_robust_list(0x7f76a8b559e0, 24 [pid 7201] mkdir("./file1", 000 [pid 7200] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7197] <... clone resumed>, parent_tid=[7210], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7210 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7197] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./100/file0", [pid 7197] <... futex resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7197] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] lstat("./101/binderfs", [pid 5008] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7210] <... set_robust_list resumed>) = 0 [pid 7201] <... mkdir resumed>) = 0 [pid 7199] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7210] mkdir(".", 0777 [pid 7201] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] unlink("./101/binderfs" [pid 5008] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7210] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7201] <... futex resumed>) = 1 [pid 7200] <... futex resumed>) = 0 [pid 7199] <... futex resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 7210] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7201] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] fstat(4, [pid 7201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7200] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7201] mkdir("./bus", 000 [pid 7200] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./100/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./100") = 0 [pid 5008] mkdir("./101", 0777 [pid 7201] <... mkdir resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 7201] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7201] <... futex resumed>) = 1 [pid 7200] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7201] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7200] <... futex resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7201] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7200] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7211 [ 223.843981][ T7199] overlayfs: failed to resolve './file0': -2 [ 223.865491][ T7210] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" ./strace-static-x86_64: Process 7211 attached [pid 7211] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7211] chdir("./101") = 0 [pid 7211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7211] setpgid(0, 0) = 0 [pid 7211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7211] write(3, "1000", 4) = 4 [pid 7211] close(3) = 0 [pid 7211] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5012] <... umount2 resumed>) = 0 [pid 7211] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7211] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7211] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7210] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./101/file0", [pid 7211] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7210] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7212 attached [pid 7210] <... futex resumed>) = 1 [pid 7200] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... futex resumed>) = 0 [pid 7211] <... clone resumed>, parent_tid=[7212], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7212 [pid 7200] <... futex resumed>) = 0 [pid 7197] exit_group(0 [pid 7212] set_robust_list(0x7f76b0b769e0, 24 [pid 7211] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7199] <... futex resumed>) = ? [pid 7197] <... exit_group resumed>) = ? [pid 5012] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7212] <... set_robust_list resumed>) = 0 [pid 7211] <... futex resumed>) = 0 [pid 7210] +++ exited with 0 +++ [pid 7200] <... mmap resumed>) = 0x7f76a8b35000 [pid 7199] +++ exited with 0 +++ [pid 7197] +++ exited with 0 +++ [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7212] memfd_create("syzkaller", 0 [pid 7211] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7200] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5012] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7197, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7212] <... memfd_create resumed>) = 3 [pid 7200] <... mprotect resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 7212] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7201] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7200] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] fstat(4, [pid 7212] <... mmap resumed>) = 0x7f76a8756000 [pid 7201] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7201] <... futex resumed>) = 0 [pid 7200] <... clone resumed>, parent_tid=[7213], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7213 [pid 7201] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] getdents64(4, [pid 5011] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7200] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7213 attached [pid 5012] getdents64(4, [pid 5011] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 223.895594][ T7201] overlayfs: upper fs needs to support d_type. [ 223.901865][ T7201] overlayfs: upper fs does not support tmpfile. [ 223.928291][ T7201] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 223.939471][ T7201] overlayfs: failed to resolve './file0': -2 [pid 7213] set_robust_list(0x7f76a8b559e0, 24 [pid 5011] <... openat resumed>) = 3 [pid 7213] <... set_robust_list resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] fstat(3, [pid 7213] mkdir(".", 0777 [pid 5012] close(4 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7213] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5012] <... close resumed>) = 0 [pid 5011] getdents64(3, [pid 7213] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] rmdir("./101/file0" [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] <... rmdir resumed>) = 0 [pid 5011] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] getdents64(3, [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] lstat("./102/binderfs", [pid 5012] close(3 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] <... close resumed>) = 0 [pid 5011] unlink("./102/binderfs" [pid 5012] rmdir("./101" [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... rmdir resumed>) = 0 [pid 5012] mkdir("./102", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7213] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7213] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] <... futex resumed>) = 0 [pid 7200] exit_group(0 [pid 7201] <... futex resumed>) = ? [pid 7200] <... exit_group resumed>) = ? [pid 7201] +++ exited with 0 +++ [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7214 [pid 7213] <... futex resumed>) = ? [pid 7213] +++ exited with 0 +++ [pid 7200] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7200, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5009] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./100/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./100/binderfs") = 0 [pid 5009] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7214 attached [pid 7214] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7214] chdir("./102") = 0 [pid 7214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7214] setpgid(0, 0) = 0 [ 223.994462][ T7213] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7214] write(3, "1000", 4) = 4 [pid 7214] close(3) = 0 [pid 7214] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7214] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7214] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7214] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7215], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7215 [pid 7214] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7214] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7215 attached [pid 7215] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7215] memfd_create("syzkaller", 0) = 3 [pid 7215] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5010] <... umount2 resumed>) = 0 [pid 7215] <... mmap resumed>) = 0x7f76a8756000 [pid 7212] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./101/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./101/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./101" [pid 5011] <... umount2 resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5010] mkdir("./102", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 5011] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... close resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] lstat("./102/file0", ./strace-static-x86_64: Process 7216 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7216 [pid 5011] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7216] set_robust_list(0x555556dec5e0, 24 [pid 5011] <... openat resumed>) = 4 [pid 7216] <... set_robust_list resumed>) = 0 [pid 5011] fstat(4, [pid 7216] chdir("./102" [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7216] <... chdir resumed>) = 0 [pid 5011] getdents64(4, [pid 7216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7212] <... write resumed>) = 4194304 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7216] <... prctl resumed>) = 0 [pid 5011] getdents64(4, [pid 7216] setpgid(0, 0 [pid 7212] munmap(0x7f76a8756000, 4194304 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7216] <... setpgid resumed>) = 0 [pid 7212] <... munmap resumed>) = 0 [pid 7216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7212] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5011] close(4 [pid 7216] <... openat resumed>) = 3 [pid 7212] <... openat resumed>) = 4 [pid 5011] <... close resumed>) = 0 [pid 7216] write(3, "1000", 4 [pid 7212] ioctl(4, LOOP_SET_FD, 3 [pid 5011] rmdir("./102/file0" [pid 7216] <... write resumed>) = 4 [pid 7216] close(3 [pid 5011] <... rmdir resumed>) = 0 [pid 7216] <... close resumed>) = 0 [pid 5011] getdents64(3, [pid 7216] symlink("/dev/binderfs", "./binderfs" [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7216] <... symlink resumed>) = 0 [pid 5011] close(3 [pid 7216] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... close resumed>) = 0 [pid 7216] <... futex resumed>) = 0 [pid 7212] <... ioctl resumed>) = 0 [pid 5011] rmdir("./102" [pid 7216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7212] close(3 [pid 7216] <... mmap resumed>) = 0x7f76b0b56000 [pid 7212] <... close resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 7216] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7212] mkdir("./file0", 0777 [pid 5011] mkdir("./103", 0777 [pid 7216] <... mprotect resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 7216] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7212] <... mkdir resumed>) = 0 [pid 7215] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7212] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 7217 attached [pid 7216] <... clone resumed>, parent_tid=[7217], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7217 [pid 5009] <... umount2 resumed>) = 0 [pid 7217] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7217] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5009] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./100/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7216] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... openat resumed>) = 3 [ 224.190647][ T7212] loop0: detected capacity change from 0 to 8192 [ 224.226226][ T7212] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./100/file0") = 0 [pid 5009] getdents64(3, [pid 7216] <... futex resumed>) = 1 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7217] <... futex resumed>) = 0 [pid 7216] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7217] memfd_create("syzkaller", 0 [pid 5011] close(3 [pid 7217] <... memfd_create resumed>) = 3 [pid 5011] <... close resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./100" [pid 7217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7217] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] <... rmdir resumed>) = 0 [pid 5009] mkdir("./101", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 ./strace-static-x86_64: Process 7219 attached [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7219 [pid 7219] set_robust_list(0x555556dec5e0, 24 [pid 5009] close(3 [pid 7219] <... set_robust_list resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 7219] chdir("./103" [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7219] <... chdir resumed>) = 0 [pid 7219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7220 [pid 7219] setpgid(0, 0) = 0 [ 224.239740][ T7212] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 224.275501][ T7212] REISERFS (device loop0): using ordered data mode [ 224.282345][ T7212] reiserfs: using flush barriers ./strace-static-x86_64: Process 7220 attached [pid 7219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7220] set_robust_list(0x555556dec5e0, 24 [pid 7219] <... openat resumed>) = 3 [pid 7220] <... set_robust_list resumed>) = 0 [pid 7220] chdir("./101" [pid 7219] write(3, "1000", 4 [pid 7220] <... chdir resumed>) = 0 [pid 7219] <... write resumed>) = 4 [pid 7220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7219] close(3 [pid 7220] <... prctl resumed>) = 0 [pid 7219] <... close resumed>) = 0 [pid 7217] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7215] <... write resumed>) = 4194304 [pid 7219] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7219] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7220] setpgid(0, 0 [pid 7219] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7219] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7220] <... setpgid resumed>) = 0 [pid 7215] munmap(0x7f76a8756000, 4194304 [pid 7220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7219] <... clone resumed>, parent_tid=[7221], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7221 [pid 7219] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7219] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7215] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7221 attached [pid 7220] <... openat resumed>) = 3 [pid 7221] set_robust_list(0x7f76b0b769e0, 24 [pid 7220] write(3, "1000", 4 [pid 7215] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7221] <... set_robust_list resumed>) = 0 [pid 7220] <... write resumed>) = 4 [pid 7215] <... openat resumed>) = 4 [pid 7221] memfd_create("syzkaller", 0 [pid 7220] close(3 [ 224.293879][ T7212] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.324324][ T7212] REISERFS (device loop0): checking transaction log (loop0) [pid 7215] ioctl(4, LOOP_SET_FD, 3 [pid 7221] <... memfd_create resumed>) = 3 [pid 7220] <... close resumed>) = 0 [pid 7221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7220] symlink("/dev/binderfs", "./binderfs" [pid 7215] <... ioctl resumed>) = 0 [pid 7220] <... symlink resumed>) = 0 [pid 7215] close(3 [pid 7220] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] <... close resumed>) = 0 [pid 7220] <... futex resumed>) = 0 [pid 7215] mkdir("./file0", 0777 [pid 7220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7215] <... mkdir resumed>) = 0 [pid 7220] <... mmap resumed>) = 0x7f76b0b56000 [pid 7217] <... write resumed>) = 4194304 [pid 7215] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7220] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7217] munmap(0x7f76a8756000, 4194304 [pid 7220] <... mprotect resumed>) = 0 [pid 7217] <... munmap resumed>) = 0 [ 224.345455][ T7215] loop4: detected capacity change from 0 to 8192 [ 224.366405][ T7212] REISERFS (device loop0): Using r5 hash to sort names [ 224.373596][ T7212] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7220] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7217] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 7223 attached ) = 4 [pid 7212] <... mount resumed>) = 0 [pid 7212] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7212] chdir("./file0") = 0 [pid 7212] ioctl(4, LOOP_CLR_FD [pid 7223] set_robust_list(0x7f76b0b769e0, 24 [pid 7220] <... clone resumed>, parent_tid=[7223], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7223 [pid 7223] <... set_robust_list resumed>) = 0 [pid 7220] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] ioctl(4, LOOP_SET_FD, 3 [pid 7223] memfd_create("syzkaller", 0 [pid 7220] <... futex resumed>) = 0 [pid 7212] <... ioctl resumed>) = 0 [ 224.396952][ T7215] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 224.399459][ T7212] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 224.419816][ T7215] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 224.431661][ T7217] loop2: detected capacity change from 0 to 8192 [pid 7212] close(4 [pid 7223] <... memfd_create resumed>) = 3 [pid 7221] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7220] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7217] <... ioctl resumed>) = 0 [pid 7223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7217] close(3 [pid 7223] <... mmap resumed>) = 0x7f76a8756000 [pid 7217] <... close resumed>) = 0 [pid 7217] mkdir("./file0", 0777) = 0 [ 224.445619][ T7215] REISERFS (device loop4): using ordered data mode [ 224.452197][ T7215] reiserfs: using flush barriers [ 224.463816][ T7215] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.480928][ T7215] REISERFS (device loop4): checking transaction log (loop4) [ 224.490269][ T7215] REISERFS (device loop4): Using r5 hash to sort names [pid 7217] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7212] <... close resumed>) = 0 [pid 7212] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7211] <... futex resumed>) = 0 [pid 7212] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7211] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7211] <... futex resumed>) = 0 [pid 7211] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7212] mkdir("./file1", 000) = 0 [pid 7212] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7211] <... futex resumed>) = 0 [pid 7212] mkdir("./bus", 000 [pid 7211] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] <... mkdir resumed>) = 0 [pid 7211] <... futex resumed>) = 0 [pid 7212] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7212] <... futex resumed>) = 0 [pid 7211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7212] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7211] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7211] <... futex resumed>) = 0 [pid 7215] <... mount resumed>) = 0 [pid 7212] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 224.490993][ T7217] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 224.498329][ T7215] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 224.524330][ T7215] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7211] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7215] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7215] chdir("./file0") = 0 [pid 7215] ioctl(4, LOOP_CLR_FD) = 0 [ 224.545728][ T7217] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 224.555508][ T7217] REISERFS (device loop2): using ordered data mode [ 224.555844][ T7212] overlayfs: upper fs needs to support d_type. [ 224.562580][ T7217] reiserfs: using flush barriers [ 224.577357][ T7212] overlayfs: upper fs does not support tmpfile. [pid 7215] close(4 [pid 7211] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7215] <... close resumed>) = 0 [pid 7211] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] <... futex resumed>) = 0 [pid 7215] <... futex resumed>) = 1 [pid 7214] <... futex resumed>) = 0 [pid 7211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7215] mkdir("./file1", 000 [pid 7214] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] <... mmap resumed>) = 0x7f76a8b35000 [pid 7215] <... mkdir resumed>) = 0 [pid 7214] <... futex resumed>) = 0 [pid 7211] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7215] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7211] <... mprotect resumed>) = 0 [pid 7214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7215] <... futex resumed>) = 0 [pid 7214] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] mkdir("./bus", 000 [pid 7214] <... futex resumed>) = 0 [pid 7211] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7215] <... mkdir resumed>) = 0 [pid 7214] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7215] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7211] <... clone resumed>, parent_tid=[7225], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7225 [pid 7215] <... futex resumed>) = 0 [pid 7214] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7214] <... futex resumed>) = 0 [pid 7211] <... futex resumed>) = 0 [pid 7214] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7211] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7221] <... write resumed>) = 4194304 [ 224.578303][ T7217] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.584598][ T7212] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 224.608816][ T7212] overlayfs: failed to resolve './file0': -2 [ 224.627627][ T7215] overlayfs: upper fs needs to support d_type. [ 224.633889][ T7215] overlayfs: upper fs does not support tmpfile. [pid 7221] munmap(0x7f76a8756000, 4194304./strace-static-x86_64: Process 7225 attached [pid 7223] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7221] <... munmap resumed>) = 0 [pid 7225] set_robust_list(0x7f76a8b559e0, 24 [pid 7221] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7215] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7212] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7225] <... set_robust_list resumed>) = 0 [pid 7221] <... openat resumed>) = 4 [pid 7215] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7225] mkdir(".", 0777 [pid 7221] ioctl(4, LOOP_SET_FD, 3 [pid 7215] <... futex resumed>) = 1 [pid 7212] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7225] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7215] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7214] <... futex resumed>) = 0 [ 224.645615][ T7217] REISERFS (device loop2): checking transaction log (loop2) [ 224.655655][ T7217] REISERFS (device loop2): Using r5 hash to sort names [ 224.660744][ T7215] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 224.671486][ T7215] overlayfs: failed to resolve './file0': -2 [ 224.689005][ T7221] loop3: detected capacity change from 0 to 8192 [pid 7225] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7221] <... ioctl resumed>) = 0 [pid 7214] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] <... futex resumed>) = 0 [pid 7221] close(3) = 0 [pid 7221] mkdir("./file0", 0777) = 0 [pid 7221] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7214] <... futex resumed>) = 1 [pid 7212] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7215] <... futex resumed>) = 0 [pid 7214] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7215] mkdir(".", 0777) = -1 EEXIST (File exists) [ 224.695564][ T7217] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 224.712263][ T7221] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 224.714066][ T7217] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7215] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7217] <... mount resumed>) = 0 [pid 7225] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7225] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7225] <... futex resumed>) = 1 [pid 7217] <... openat resumed>) = 3 [pid 7211] <... futex resumed>) = 0 [pid 7225] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7217] chdir("./file0" [pid 7211] exit_group(0 [pid 7217] <... chdir resumed>) = 0 [pid 7225] <... futex resumed>) = ? [pid 7217] ioctl(4, LOOP_CLR_FD [pid 7212] <... futex resumed>) = ? [pid 7211] <... exit_group resumed>) = ? [pid 7225] +++ exited with 0 +++ [pid 7217] <... ioctl resumed>) = 0 [pid 7212] +++ exited with 0 +++ [pid 7217] close(4 [pid 7211] +++ exited with 0 +++ [pid 7217] <... close resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7211, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5008] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./101", 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, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./101/binderfs") = 0 [pid 5008] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7215] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7215] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7214] <... futex resumed>) = 0 [pid 7217] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] exit_group(0 [pid 7217] <... futex resumed>) = 1 [pid 7216] <... futex resumed>) = 0 [pid 7214] <... exit_group resumed>) = ? [pid 7216] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] mkdir("./file1", 000 [pid 7216] <... futex resumed>) = 0 [pid 7217] <... mkdir resumed>) = 0 [pid 7216] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7217] <... futex resumed>) = 0 [pid 7216] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] mkdir("./bus", 000 [pid 7216] <... futex resumed>) = 0 [pid 7216] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] <... mkdir resumed>) = 0 [pid 7217] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7216] <... futex resumed>) = 0 [pid 7217] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 224.736512][ T7225] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 224.738214][ T7215] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 224.765572][ T7221] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 224.778497][ T7221] REISERFS (device loop3): using ordered data mode [pid 7216] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7216] <... futex resumed>) = 0 [pid 7216] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7215] +++ exited with 0 +++ [pid 7214] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7214, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5012] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./102/binderfs") = 0 [pid 5012] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7223] <... write resumed>) = 4194304 [pid 7223] munmap(0x7f76a8756000, 4194304) = 0 [pid 7223] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 224.800006][ T7221] reiserfs: using flush barriers [ 224.800299][ T7217] overlayfs: upper fs needs to support d_type. [ 224.812782][ T7221] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.825933][ T7217] overlayfs: upper fs does not support tmpfile. [ 224.841164][ T7217] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7223] ioctl(4, LOOP_SET_FD, 3 [pid 7216] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7216] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7223] <... ioctl resumed>) = 0 [pid 7216] <... mmap resumed>) = 0x7f76a8b35000 [pid 7216] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7223] close(3) = 0 [pid 7216] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7223] mkdir("./file0", 0777) = 0 [pid 7216] <... clone resumed>, parent_tid=[7227], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7227 [pid 7223] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7216] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7216] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7227 attached [ 224.849933][ T7223] loop1: detected capacity change from 0 to 8192 [ 224.868868][ T7217] overlayfs: failed to resolve './file0': -2 [ 224.879814][ T7221] REISERFS (device loop3): checking transaction log (loop3) [ 224.882861][ T7223] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7227] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7217] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7227] mkdir(".", 0777 [pid 7217] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7227] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7217] <... futex resumed>) = 0 [pid 7227] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 224.901804][ T7221] REISERFS (device loop3): Using r5 hash to sort names [ 224.909296][ T7221] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 224.922122][ T7223] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 224.922224][ T7223] REISERFS (device loop1): using ordered data mode [ 224.922241][ T7223] reiserfs: using flush barriers [pid 7217] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7221] <... mount resumed>) = 0 [pid 7221] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7221] chdir("./file0") = 0 [pid 7221] ioctl(4, LOOP_CLR_FD) = 0 [pid 5012] <... umount2 resumed>) = 0 [ 224.928626][ T7227] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 224.948964][ T7223] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.975606][ T7221] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7221] close(4 [pid 5012] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7227] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7221] <... close resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7221] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] lstat("./102/file0", [pid 7221] <... futex resumed>) = 1 [pid 7219] <... futex resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7227] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7219] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7227] <... futex resumed>) = 1 [pid 7221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7219] <... futex resumed>) = 0 [pid 7216] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7227] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7221] mkdir("./file1", 000 [pid 7219] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7216] exit_group(0 [pid 5012] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7227] <... futex resumed>) = ? [pid 7221] <... mkdir resumed>) = 0 [pid 7217] <... futex resumed>) = ? [pid 7216] <... exit_group resumed>) = ? [pid 5012] <... openat resumed>) = 4 [ 224.997849][ T7223] REISERFS (device loop1): checking transaction log (loop1) [ 225.016262][ T7223] REISERFS (device loop1): Using r5 hash to sort names [ 225.023401][ T7223] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7227] +++ exited with 0 +++ [pid 7221] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(4, [pid 7221] <... futex resumed>) = 1 [pid 7219] <... futex resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7221] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7219] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(4, [pid 7221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7219] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7221] mkdir("./bus", 000 [pid 7219] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] +++ exited with 0 +++ [pid 5012] getdents64(4, [pid 7221] <... mkdir resumed>) = 0 [pid 7216] +++ exited with 0 +++ [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7221] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] close(4 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7216, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 7221] <... futex resumed>) = 1 [pid 7219] <... futex resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 7221] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7219] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] rmdir("./102/file0" [pid 5010] <... restart_syscall resumed>) = 0 [pid 7223] <... mount resumed>) = 0 [pid 7221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7219] <... futex resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 7223] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7221] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7219] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] getdents64(3, [pid 7223] <... openat resumed>) = 3 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 7223] chdir("./file0" [pid 5012] close(3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7223] <... chdir resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7223] ioctl(4, LOOP_CLR_FD [pid 5012] rmdir("./102" [pid 5008] lstat("./101/file0", [pid 7223] <... ioctl resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 225.059484][ T7223] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 225.090298][ T7221] overlayfs: upper fs needs to support d_type. [ 225.101887][ T7221] overlayfs: upper fs does not support tmpfile. [pid 7223] close(4 [pid 5008] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7223] <... close resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7223] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7223] <... futex resumed>) = 1 [pid 5008] <... openat resumed>) = 4 [pid 7223] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./101/file0") = 0 [pid 5012] mkdir("./103", 0777 [pid 5008] getdents64(3, [pid 7220] <... futex resumed>) = 0 [pid 5010] fstat(3, [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./101" [pid 7220] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... mkdir resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7223] <... futex resumed>) = 0 [pid 7220] <... futex resumed>) = 1 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5010] getdents64(3, [pid 5008] mkdir("./102", 0777 [pid 7223] mkdir("./file1", 000 [pid 7220] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... mkdir resumed>) = 0 [pid 7223] <... mkdir resumed>) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5010] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7223] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 3 [pid 7223] <... futex resumed>) = 1 [pid 7220] <... futex resumed>) = 0 [pid 5012] close(3 [pid 5010] lstat("./102/binderfs", [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7223] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7220] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7220] <... futex resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] close(3 [pid 7223] mkdir("./bus", 000 [pid 5008] <... close resumed>) = 0 [pid 7223] <... mkdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7223] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7220] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7219] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] unlink("./102/binderfs" [pid 7223] <... futex resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7229 [pid 7223] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7229 attached [pid 7220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7219] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7229] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7229] chdir("./102") = 0 [pid 5010] <... unlink resumed>) = 0 [pid 7220] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7219] <... futex resumed>) = 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7230 [pid 5010] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7223] <... futex resumed>) = 0 [pid 7220] <... futex resumed>) = 1 [ 225.110781][ T7221] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 225.133211][ T7221] overlayfs: failed to resolve './file0': -2 [pid 7223] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7220] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7219] <... mmap resumed>) = 0x7f76a8b35000 ./strace-static-x86_64: Process 7230 attached [pid 7229] setpgid(0, 0 [pid 7219] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7229] <... setpgid resumed>) = 0 [pid 7230] set_robust_list(0x555556dec5e0, 24 [pid 7229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7219] <... mprotect resumed>) = 0 [pid 7230] <... set_robust_list resumed>) = 0 [pid 7229] <... openat resumed>) = 3 [pid 7221] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7229] write(3, "1000", 4) = 4 [pid 7229] close(3) = 0 [pid 7229] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7229] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7229] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7229] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7231], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7231 [pid 7221] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] chdir("./103" [pid 7229] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] <... futex resumed>) = 0 [pid 7219] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7229] <... futex resumed>) = 0 [pid 7229] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7221] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7230] <... chdir resumed>) = 0 [pid 7219] <... clone resumed>, parent_tid=[7232], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7232 [pid 7230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7219] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... prctl resumed>) = 0 [pid 7219] <... futex resumed>) = 0 [pid 7230] setpgid(0, 0) = 0 [pid 7219] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7231 attached ./strace-static-x86_64: Process 7232 attached [pid 7231] set_robust_list(0x7f76b0b769e0, 24 [pid 7230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7232] set_robust_list(0x7f76a8b559e0, 24 [pid 7231] <... set_robust_list resumed>) = 0 [pid 7232] <... set_robust_list resumed>) = 0 [pid 7231] memfd_create("syzkaller", 0 [pid 7232] mkdir(".", 0777 [pid 7231] <... memfd_create resumed>) = 3 [pid 7230] <... openat resumed>) = 3 [pid 7232] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7230] write(3, "1000", 4 [pid 7232] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7231] <... mmap resumed>) = 0x7f76a8756000 [pid 7230] <... write resumed>) = 4 [pid 7230] close(3) = 0 [pid 7230] symlink("/dev/binderfs", "./binderfs" [pid 7220] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7230] <... symlink resumed>) = 0 [pid 7220] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7220] <... futex resumed>) = 0 [ 225.157572][ T7223] overlayfs: upper fs needs to support d_type. [ 225.163869][ T7223] overlayfs: upper fs does not support tmpfile. [ 225.187103][ T7223] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7230] <... futex resumed>) = 0 [pid 7220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7220] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7230] <... mmap resumed>) = 0x7f76b0b56000 [pid 7220] <... mprotect resumed>) = 0 [pid 7230] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7220] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7230] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7220] <... clone resumed>, parent_tid=[7233], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7233 [pid 7220] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7220] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7230] <... clone resumed>, parent_tid=[7234], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7234 [pid 7230] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7234 attached ./strace-static-x86_64: Process 7233 attached ) = 0 [pid 7234] set_robust_list(0x7f76b0b769e0, 24 [pid 7233] set_robust_list(0x7f76a8b559e0, 24 [pid 7234] <... set_robust_list resumed>) = 0 [pid 7233] <... set_robust_list resumed>) = 0 [pid 7230] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7233] mkdir(".", 0777 [pid 7234] memfd_create("syzkaller", 0 [pid 7233] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7234] <... memfd_create resumed>) = 3 [pid 7233] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7232] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7232] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7219] <... futex resumed>) = 0 [pid 7219] exit_group(0 [pid 7221] <... futex resumed>) = ? [pid 7219] <... exit_group resumed>) = ? [pid 7221] +++ exited with 0 +++ [pid 7232] <... futex resumed>) = ? [ 225.218430][ T7232] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 225.236341][ T7223] overlayfs: failed to resolve './file0': -2 [pid 7232] +++ exited with 0 +++ [pid 7219] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7219, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5011] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7231] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7223] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] unlink("./103/binderfs" [pid 7234] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7233] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7223] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... unlink resumed>) = 0 [pid 7223] <... futex resumed>) = 0 [pid 7223] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7233] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7233] <... futex resumed>) = 1 [pid 7220] <... futex resumed>) = 0 [pid 7220] exit_group(0 [pid 7223] <... futex resumed>) = ? [pid 7220] <... exit_group resumed>) = ? [pid 7223] +++ exited with 0 +++ [ 225.269473][ T7233] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7233] +++ exited with 0 +++ [pid 7220] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7220, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5009] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./101/binderfs") = 0 [pid 5009] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7231] <... write resumed>) = 4194304 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./102/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./102/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./102") = 0 [pid 5010] mkdir("./103", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 7234] <... write resumed>) = 4194304 [pid 7231] munmap(0x7f76a8756000, 4194304 [pid 5011] <... umount2 resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7234] munmap(0x7f76a8756000, 4194304 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7235 [pid 7231] <... munmap resumed>) = 0 [pid 5011] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7234] <... munmap resumed>) = 0 [pid 7231] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./103/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7235 attached [pid 7234] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7231] <... openat resumed>) = 4 [pid 5011] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7235] set_robust_list(0x555556dec5e0, 24 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7235] <... set_robust_list resumed>) = 0 [pid 7234] <... openat resumed>) = 4 [pid 7231] ioctl(4, LOOP_SET_FD, 3 [pid 5011] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7235] chdir("./103" [pid 5011] <... openat resumed>) = 4 [pid 7235] <... chdir resumed>) = 0 [pid 7235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7235] setpgid(0, 0) = 0 [pid 7235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7235] write(3, "1000", 4) = 4 [pid 7235] close(3) = 0 [pid 7235] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7235] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7235] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7235] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7236], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7236 [pid 7235] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7235] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7236 attached [pid 7236] set_robust_list(0x7f76b0b769e0, 24 [pid 7234] ioctl(4, LOOP_SET_FD, 3 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7236] <... set_robust_list resumed>) = 0 [pid 7236] memfd_create("syzkaller", 0) = 3 [pid 7236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7234] <... ioctl resumed>) = 0 [pid 5011] getdents64(4, [pid 7234] close(3) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7234] mkdir("./file0", 0777 [pid 7231] <... ioctl resumed>) = 0 [pid 5011] getdents64(4, [pid 5009] <... umount2 resumed>) = 0 [pid 7234] <... mkdir resumed>) = 0 [pid 7231] close(3 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7234] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7231] <... close resumed>) = 0 [pid 5011] close(4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7231] mkdir("./file0", 0777 [pid 5011] <... close resumed>) = 0 [pid 5009] lstat("./101/file0", [pid 5011] rmdir("./103/file0" [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7231] <... mkdir resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5009] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7231] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5011] getdents64(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [ 225.490089][ T7231] loop0: detected capacity change from 0 to 8192 [ 225.507498][ T7234] loop4: detected capacity change from 0 to 8192 [pid 5009] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] close(3) = 0 [pid 5009] <... openat resumed>) = 4 [pid 5011] rmdir("./103" [pid 5009] fstat(4, [pid 5011] <... rmdir resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] mkdir("./104", 0777 [pid 5009] getdents64(4, [pid 5011] <... mkdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [ 225.531147][ T7234] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.547777][ T7231] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.561656][ T7234] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 225.572345][ T7231] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5009] getdents64(4, [pid 7236] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5011] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5009] close(4 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... close resumed>) = 0 [pid 5011] close(3 [ 225.582315][ T7234] REISERFS (device loop4): using ordered data mode [ 225.589661][ T7231] REISERFS (device loop0): using ordered data mode [ 225.596775][ T7234] reiserfs: using flush barriers [ 225.604211][ T7234] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 225.621745][ T7231] reiserfs: using flush barriers [pid 5009] rmdir("./101/file0") = 0 [pid 5011] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] getdents64(3, [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7239 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./101") = 0 [pid 5009] mkdir("./102", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 225.628198][ T7231] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 225.645347][ T7231] REISERFS (device loop0): checking transaction log (loop0) [ 225.655471][ T7234] REISERFS (device loop4): checking transaction log (loop4) [ 225.675651][ T7231] REISERFS (device loop0): Using r5 hash to sort names [pid 5009] close(3./strace-static-x86_64: Process 7239 attached [pid 7236] <... write resumed>) = 4194304 [pid 5009] <... close resumed>) = 0 [pid 7239] set_robust_list(0x555556dec5e0, 24 [pid 7236] munmap(0x7f76a8756000, 4194304 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7239] <... set_robust_list resumed>) = 0 [pid 7236] <... munmap resumed>) = 0 [pid 7239] chdir("./104" [pid 7236] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7240 [pid 7239] <... chdir resumed>) = 0 [pid 7236] <... openat resumed>) = 4 [pid 7239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7236] ioctl(4, LOOP_SET_FD, 3 [pid 7239] <... prctl resumed>) = 0 [pid 7239] setpgid(0, 0) = 0 [pid 7239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7239] write(3, "1000", 4) = 4 [pid 7239] close(3) = 0 [pid 7239] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7239] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7239] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7239] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7241], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7241 [pid 7239] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7239] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7236] <... ioctl resumed>) = 0 [pid 7236] close(3) = 0 [pid 7236] mkdir("./file0", 0777./strace-static-x86_64: Process 7241 attached ) = 0 [pid 7241] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7241] memfd_create("syzkaller", 0 [pid 7236] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7241] <... memfd_create resumed>) = 3 [pid 7241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 225.682812][ T7231] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 225.699497][ T7236] loop2: detected capacity change from 0 to 8192 [ 225.700371][ T7234] REISERFS (device loop4): Using r5 hash to sort names [ 225.716645][ T7234] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! ./strace-static-x86_64: Process 7240 attached [pid 7240] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7240] chdir("./102") = 0 [pid 7240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7240] setpgid(0, 0) = 0 [pid 7240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7240] write(3, "1000", 4) = 4 [pid 7240] close(3) = 0 [pid 7240] symlink("/dev/binderfs", "./binderfs" [pid 7234] <... mount resumed>) = 0 [pid 7234] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7234] chdir("./file0") = 0 [pid 7234] ioctl(4, LOOP_CLR_FD) = 0 [pid 7234] close(4) = 0 [pid 7234] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... futex resumed>) = 0 [pid 7230] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7230] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7234] <... futex resumed>) = 1 [pid 7234] mkdir("./file1", 000) = 0 [pid 7234] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... futex resumed>) = 0 [pid 7230] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7230] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7234] <... futex resumed>) = 1 [pid 7234] mkdir("./bus", 000) = 0 [pid 7234] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] <... symlink resumed>) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7230] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7230] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7234] <... futex resumed>) = 1 [pid 7234] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 225.731480][ T7236] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.753287][ T7234] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 225.768031][ T7231] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7240] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7240] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7240] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7243], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7243 ./strace-static-x86_64: Process 7243 attached [pid 7240] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7240] <... futex resumed>) = 0 [pid 7230] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7230] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7240] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7230] <... mmap resumed>) = 0x7f76a8b35000 [pid 7230] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7230] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7244], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7244 [pid 7230] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7230] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7243] memfd_create("syzkaller", 0 [pid 7234] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7234] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] <... memfd_create resumed>) = 3 [pid 7234] <... futex resumed>) = 0 [pid 7234] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7231] <... mount resumed>) = 0 [pid 7231] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7231] chdir("./file0") = 0 [pid 7231] ioctl(4, LOOP_CLR_FD) = 0 [ 225.782027][ T7234] overlayfs: upper fs needs to support d_type. [ 225.789810][ T7234] overlayfs: upper fs does not support tmpfile. [ 225.795292][ T7236] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 225.797914][ T7234] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 225.815789][ T7234] overlayfs: failed to resolve './file0': -2 [pid 7231] close(4 [pid 7243] <... mmap resumed>) = 0x7f76a8756000 [pid 7231] <... close resumed>) = 0 [pid 7231] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7229] <... futex resumed>) = 0 [pid 7231] mkdir("./file1", 000 [pid 7229] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] <... mkdir resumed>) = 0 [pid 7229] <... futex resumed>) = 0 [pid 7229] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7231] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7229] <... futex resumed>) = 0 [pid 7231] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7229] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7229] <... futex resumed>) = 0 [pid 7231] mkdir("./bus", 000 [pid 7229] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7231] <... mkdir resumed>) = 0 [pid 7231] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7229] <... futex resumed>) = 0 [pid 7231] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7229] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7229] <... futex resumed>) = 0 [pid 7231] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7229] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7244 attached [pid 7244] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7244] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7244] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7241] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7229] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7229] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7229] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7229] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7245], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7245 [pid 7229] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7229] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7245 attached [pid 7245] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7245] mkdir(".", 0777) = -1 EEXIST (File exists) [ 225.858255][ T7231] overlayfs: upper fs needs to support d_type. [ 225.858254][ T7236] REISERFS (device loop2): using ordered data mode [ 225.858274][ T7236] reiserfs: using flush barriers [ 225.878967][ T7236] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 225.922567][ T7244] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 225.942027][ T7231] overlayfs: upper fs does not support tmpfile. [ 225.943158][ T7236] REISERFS (device loop2): checking transaction log (loop2) [pid 7245] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7244] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7243] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7241] <... write resumed>) = 4194304 [pid 7245] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7244] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7229] <... futex resumed>) = 0 [pid 7245] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7244] <... futex resumed>) = 1 [pid 7230] <... futex resumed>) = 0 [pid 7241] munmap(0x7f76a8756000, 4194304 [pid 7244] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7230] exit_group(0 [pid 7244] <... futex resumed>) = ? [pid 7241] <... munmap resumed>) = 0 [pid 7234] <... futex resumed>) = ? [pid 7230] <... exit_group resumed>) = ? [pid 7234] +++ exited with 0 +++ [ 225.977946][ T7245] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 225.992539][ T7231] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 226.001282][ T7236] REISERFS (device loop2): Using r5 hash to sort names [ 226.013328][ T7231] overlayfs: failed to resolve './file0': -2 [pid 7244] +++ exited with 0 +++ [pid 7241] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7230] +++ exited with 0 +++ [pid 7241] <... openat resumed>) = 4 [pid 7241] ioctl(4, LOOP_SET_FD, 3 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7230, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5012] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./103/binderfs") = 0 [pid 5012] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7241] <... ioctl resumed>) = 0 [pid 7231] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7241] close(3 [pid 7231] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] <... close resumed>) = 0 [pid 7236] <... mount resumed>) = 0 [pid 7231] <... futex resumed>) = 0 [pid 7229] exit_group(0 [pid 7245] <... futex resumed>) = ? [pid 7241] mkdir("./file0", 0777 [pid 7236] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7229] <... exit_group resumed>) = ? [pid 7245] +++ exited with 0 +++ [pid 7241] <... mkdir resumed>) = 0 [pid 7231] +++ exited with 0 +++ [pid 7229] +++ exited with 0 +++ [pid 7241] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7236] <... openat resumed>) = 3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7229, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} --- [pid 7236] chdir("./file0") = 0 [ 226.019806][ T7236] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.045682][ T7241] loop3: detected capacity change from 0 to 8192 [ 226.052619][ T7236] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7236] ioctl(4, LOOP_CLR_FD [pid 7243] <... write resumed>) = 4194304 [pid 7236] <... ioctl resumed>) = 0 [pid 5008] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7243] munmap(0x7f76a8756000, 4194304 [pid 7236] close(4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7243] <... munmap resumed>) = 0 [pid 7236] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7236] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 3 [pid 7236] <... futex resumed>) = 1 [pid 7235] <... futex resumed>) = 0 [pid 5008] fstat(3, [pid 7236] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7235] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7235] <... futex resumed>) = 0 [pid 5008] getdents64(3, [pid 7236] mkdir("./file1", 000 [pid 7235] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7243] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7236] <... mkdir resumed>) = 0 [pid 5008] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7243] <... openat resumed>) = 4 [pid 7236] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7243] ioctl(4, LOOP_SET_FD, 3 [pid 7236] <... futex resumed>) = 1 [pid 7235] <... futex resumed>) = 0 [pid 5008] lstat("./102/binderfs", [pid 7236] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7235] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7235] <... futex resumed>) = 0 [pid 5008] unlink("./102/binderfs" [pid 7236] mkdir("./bus", 000 [pid 7235] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... unlink resumed>) = 0 [pid 7236] <... mkdir resumed>) = 0 [pid 5008] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7236] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7235] <... futex resumed>) = 0 [pid 7236] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7235] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7235] <... futex resumed>) = 0 [ 226.076892][ T7241] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.090866][ T7241] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 226.101703][ T7241] REISERFS (device loop3): using ordered data mode [ 226.112708][ T7243] loop1: detected capacity change from 0 to 8192 [pid 7236] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7235] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7243] <... ioctl resumed>) = 0 [pid 7243] close(3) = 0 [pid 7243] mkdir("./file0", 0777) = 0 [ 226.133412][ T7236] overlayfs: upper fs needs to support d_type. [ 226.140123][ T7241] reiserfs: using flush barriers [ 226.149134][ T7236] overlayfs: upper fs does not support tmpfile. [ 226.160115][ T7241] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 226.171189][ T7236] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7243] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7235] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7235] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7235] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7235] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7248], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7248 [pid 7235] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7235] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7248 attached [pid 7248] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7248] mkdir(".", 0777) = -1 EEXIST (File exists) [ 226.183993][ T7241] REISERFS (device loop3): checking transaction log (loop3) [ 226.206501][ T7243] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.208647][ T7241] REISERFS (device loop3): Using r5 hash to sort names [pid 7248] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7241] <... mount resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 226.244163][ T7241] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.246896][ T7236] overlayfs: failed to resolve './file0': -2 [ 226.258009][ T7241] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 226.274672][ T7248] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7241] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5012] <... umount2 resumed>) = 0 [pid 5008] lstat("./102/file0", [pid 7241] <... openat resumed>) = 3 [pid 5012] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7241] chdir("./file0") = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7241] ioctl(4, LOOP_CLR_FD [pid 5012] lstat("./103/file0", [pid 7241] <... ioctl resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7241] close(4 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7241] <... close resumed>) = 0 [pid 5012] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7241] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 4 [pid 7241] <... futex resumed>) = 1 [pid 5012] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(4, [pid 7239] <... futex resumed>) = 0 [pid 7239] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7241] mkdir("./file1", 000 [pid 7239] <... futex resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 7236] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7241] <... mkdir resumed>) = 0 [pid 7239] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] getdents64(4, [pid 7236] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(4, [pid 7236] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7248] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5012] getdents64(4, [ 226.281907][ T7243] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 226.299925][ T7243] REISERFS (device loop1): using ordered data mode [ 226.309298][ T7243] reiserfs: using flush barriers [ 226.315892][ T7243] 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 [ 226.334022][ T7243] REISERFS (device loop1): checking transaction log (loop1) [pid 7248] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7236] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 7248] <... futex resumed>) = 1 [pid 5012] getdents64(4, [pid 7248] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7241] <... futex resumed>) = 1 [pid 7239] <... futex resumed>) = 0 [pid 7235] <... futex resumed>) = 0 [pid 5012] close(4 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7239] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... close resumed>) = 0 [pid 7239] <... futex resumed>) = 0 [pid 5012] rmdir("./103/file0" [pid 7239] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... rmdir resumed>) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./103") = 0 [pid 7241] mkdir("./bus", 000 [pid 7235] exit_group(0 [pid 5012] mkdir("./104", 0777 [pid 5008] close(4 [pid 7248] <... futex resumed>) = ? [pid 7241] <... mkdir resumed>) = 0 [pid 7236] <... futex resumed>) = ? [pid 7235] <... exit_group resumed>) = ? [pid 5012] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7249 [pid 7248] +++ exited with 0 +++ [pid 5008] <... close resumed>) = 0 [pid 7241] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7236] +++ exited with 0 +++ [pid 7235] +++ exited with 0 +++ [pid 7243] <... mount resumed>) = 0 [pid 7243] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7243] chdir("./file0") = 0 [pid 7243] ioctl(4, LOOP_CLR_FD [pid 7241] <... futex resumed>) = 1 [pid 7239] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7249 attached [pid 7241] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7239] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7235, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7243] <... ioctl resumed>) = 0 [pid 5008] rmdir("./102/file0" [pid 7249] set_robust_list(0x555556dec5e0, 24 [pid 7241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7239] <... futex resumed>) = 0 [pid 5010] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7249] <... set_robust_list resumed>) = 0 [pid 7243] close(4 [pid 7241] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7239] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... rmdir resumed>) = 0 [pid 7249] chdir("./104" [ 226.348076][ T7243] REISERFS (device loop1): Using r5 hash to sort names [ 226.356009][ T7243] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.370728][ T7243] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5010] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] getdents64(3, [pid 7249] <... chdir resumed>) = 0 [pid 7243] <... close resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7243] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] fstat(3, [pid 5008] close(3 [pid 7249] <... prctl resumed>) = 0 [pid 7243] <... futex resumed>) = 1 [pid 7240] <... futex resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7249] setpgid(0, 0 [pid 7240] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... close resumed>) = 0 [pid 7249] <... setpgid resumed>) = 0 [pid 7243] mkdir("./file1", 000 [pid 5010] getdents64(3, [pid 7249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7243] <... mkdir resumed>) = 0 [pid 7240] <... futex resumed>) = 0 [pid 5008] rmdir("./102" [pid 7249] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7249] write(3, "1000", 4 [pid 7243] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... rmdir resumed>) = 0 [pid 7249] <... write resumed>) = 4 [pid 7243] <... futex resumed>) = 0 [pid 7240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5010] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] mkdir("./103", 0777 [pid 7249] close(3 [pid 7243] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7241] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7240] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... mkdir resumed>) = 0 [pid 7249] <... close resumed>) = 0 [pid 7243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7241] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] <... futex resumed>) = 0 [pid 5010] lstat("./103/binderfs", [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7249] symlink("/dev/binderfs", "./binderfs" [pid 7243] mkdir("./bus", 000 [pid 7241] <... futex resumed>) = 0 [pid 7240] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7239] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7249] <... symlink resumed>) = 0 [pid 7243] <... mkdir resumed>) = 0 [pid 7241] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7239] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] unlink("./103/binderfs" [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7249] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7239] <... futex resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7249] <... futex resumed>) = 0 [pid 7243] <... futex resumed>) = 1 [pid 7241] mkdir(".", 0777 [pid 7240] <... futex resumed>) = 0 [pid 7239] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3 [pid 7249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7243] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7241] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7240] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... close resumed>) = 0 [pid 7249] <... mmap resumed>) = 0x7f76b0b56000 [pid 7243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 226.410866][ T7241] overlayfs: upper fs needs to support d_type. [ 226.423998][ T7241] overlayfs: upper fs does not support tmpfile. [ 226.432577][ T7241] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 226.442371][ T7241] overlayfs: failed to resolve './file0': -2 [pid 7241] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7240] <... futex resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7249] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7243] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7240] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7249] <... mprotect resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7250 [pid 7249] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7251], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7251 [pid 7249] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7249] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7251 attached ./strace-static-x86_64: Process 7250 attached [pid 7241] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7251] set_robust_list(0x7f76b0b769e0, 24 [pid 7250] set_robust_list(0x555556dec5e0, 24 [pid 7241] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] <... set_robust_list resumed>) = 0 [pid 7241] <... futex resumed>) = 1 [pid 7239] <... futex resumed>) = 0 [pid 7239] exit_group(0) = ? [pid 7251] <... set_robust_list resumed>) = 0 [pid 7250] chdir("./103") = 0 [pid 7250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7250] setpgid(0, 0) = 0 [pid 7250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7250] write(3, "1000", 4 [pid 7251] memfd_create("syzkaller", 0 [pid 7250] <... write resumed>) = 4 [pid 7250] close(3) = 0 [ 226.482270][ T7241] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 226.503190][ T7243] overlayfs: upper fs needs to support d_type. [ 226.510767][ T7243] overlayfs: upper fs does not support tmpfile. [ 226.520492][ T7243] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7251] <... memfd_create resumed>) = 3 [pid 7250] symlink("/dev/binderfs", "./binderfs" [pid 7241] +++ exited with 0 +++ [pid 7239] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7239, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 7250] <... symlink resumed>) = 0 [pid 7251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7250] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7251] <... mmap resumed>) = 0x7f76a8756000 [pid 7250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7250] <... mmap resumed>) = 0x7f76b0b56000 [pid 7250] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] <... openat resumed>) = 3 [pid 5011] fstat(3, [pid 7250] <... mprotect resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7240] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7250] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] getdents64(3, [pid 7240] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7250] <... clone resumed>, parent_tid=[7252], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7252 [pid 7240] <... futex resumed>) = 0 [pid 7250] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7240] <... mmap resumed>) = 0x7f76a8b35000 [pid 7250] <... futex resumed>) = 0 [pid 5011] lstat("./104/binderfs", [pid 7240] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7250] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7240] <... mprotect resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7240] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] unlink("./104/binderfs" [pid 7240] <... clone resumed>, parent_tid=[7253], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7253 [pid 7240] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... unlink resumed>) = 0 [pid 7240] <... futex resumed>) = 0 [pid 7240] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7253 attached [pid 7253] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7253] mkdir(".", 0777) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 7252 attached [pid 7252] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7253] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7252] memfd_create("syzkaller", 0 [pid 7243] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7252] <... memfd_create resumed>) = 3 [pid 7243] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7243] <... futex resumed>) = 0 [pid 7252] <... mmap resumed>) = 0x7f76a8756000 [ 226.536022][ T7243] overlayfs: failed to resolve './file0': -2 [pid 7243] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7253] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7251] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7253] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7240] <... futex resumed>) = 0 [pid 7240] exit_group(0 [pid 7243] <... futex resumed>) = ? [pid 7240] <... exit_group resumed>) = ? [pid 7243] +++ exited with 0 +++ [pid 7253] +++ exited with 0 +++ [pid 7240] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7240, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5009] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 226.593726][ T7253] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5009] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] getdents64(3, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] lstat("./103/file0", [pid 5009] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] lstat("./102/binderfs", [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] unlink("./102/binderfs" [pid 5010] <... openat resumed>) = 4 [pid 5009] <... unlink resumed>) = 0 [pid 5010] fstat(4, [pid 5009] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./103/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./103") = 0 [pid 5010] mkdir("./104", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7254 ./strace-static-x86_64: Process 7254 attached [pid 7254] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7254] chdir("./104") = 0 [pid 7254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7254] setpgid(0, 0) = 0 [pid 7254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7254] write(3, "1000", 4 [pid 5011] <... umount2 resumed>) = 0 [pid 7254] <... write resumed>) = 4 [pid 7254] close(3) = 0 [pid 7254] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7252] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7254] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7254] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7254] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7255], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7255 [pid 7254] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7254] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7255 attached [pid 7255] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7255] memfd_create("syzkaller", 0) = 3 [pid 7255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7251] <... write resumed>) = 4194304 [pid 5011] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./104/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7251] munmap(0x7f76a8756000, 4194304 [pid 5011] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] fstat(4, [pid 7251] <... munmap resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, [pid 7251] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7251] ioctl(4, LOOP_SET_FD, 3 [pid 5011] close(4 [pid 7252] <... write resumed>) = 4194304 [pid 5011] <... close resumed>) = 0 [pid 7252] munmap(0x7f76a8756000, 4194304 [pid 5011] rmdir("./104/file0" [pid 7251] <... ioctl resumed>) = 0 [pid 7251] close(3 [pid 7252] <... munmap resumed>) = 0 [pid 7252] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5011] <... rmdir resumed>) = 0 [pid 7252] <... openat resumed>) = 4 [pid 5011] getdents64(3, [pid 7252] ioctl(4, LOOP_SET_FD, 3 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7251] <... close resumed>) = 0 [pid 7251] mkdir("./file0", 0777) = 0 [pid 7251] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5011] close(3) = 0 [pid 5011] rmdir("./104") = 0 [pid 5011] mkdir("./105", 0777 [pid 7252] <... ioctl resumed>) = 0 [pid 7252] close(3 [pid 5011] <... mkdir resumed>) = 0 [pid 7252] <... close resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7252] mkdir("./file0", 0777 [pid 5011] <... openat resumed>) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7252] <... mkdir resumed>) = 0 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7252] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5011] close(3) = 0 [ 226.807658][ T7251] loop4: detected capacity change from 0 to 8192 [ 226.823402][ T7252] loop0: detected capacity change from 0 to 8192 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7257 [pid 7255] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7257 attached [pid 7257] set_robust_list(0x555556dec5e0, 24 [pid 5009] <... umount2 resumed>) = 0 [pid 7257] <... set_robust_list resumed>) = 0 [pid 7257] chdir("./105") = 0 [pid 7257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7257] setpgid(0, 0 [pid 5009] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./102/file0", [pid 7257] <... setpgid resumed>) = 0 [pid 7257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7257] <... openat resumed>) = 3 [pid 5009] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7257] write(3, "1000", 4) = 4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7257] close(3) = 0 [pid 5009] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7257] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... openat resumed>) = 4 [pid 7257] <... symlink resumed>) = 0 [ 226.845761][ T7251] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.867246][ T7252] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.882368][ T7252] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 226.894438][ T7252] REISERFS (device loop0): using ordered data mode [ 226.902609][ T7252] reiserfs: using flush barriers [pid 7257] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] fstat(4, [pid 7257] <... futex resumed>) = 0 [pid 7257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7257] <... mmap resumed>) = 0x7f76b0b56000 [pid 5009] getdents64(4, [pid 7257] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7257] <... mprotect resumed>) = 0 [pid 5009] getdents64(4, [pid 7257] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4 [pid 7257] <... clone resumed>, parent_tid=[7259], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7259 [pid 5009] <... close resumed>) = 0 [pid 7257] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] rmdir("./102/file0" [pid 7257] <... futex resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 7257] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7259 attached [pid 5009] close(3 [pid 7259] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] <... close resumed>) = 0 [pid 7259] <... set_robust_list resumed>) = 0 [pid 5009] rmdir("./102" [ 226.904153][ T7251] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 226.935973][ T7252] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7259] memfd_create("syzkaller", 0 [pid 5009] <... rmdir resumed>) = 0 [pid 7259] <... memfd_create resumed>) = 3 [pid 7255] <... write resumed>) = 4194304 [pid 5009] mkdir("./103", 0777 [pid 7259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] <... mkdir resumed>) = 0 [pid 7259] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7255] munmap(0x7f76a8756000, 4194304 [pid 5009] <... openat resumed>) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3 [pid 7255] <... munmap resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7255] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7260 ./strace-static-x86_64: Process 7260 attached [pid 7260] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7260] chdir("./103") = 0 [pid 7260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7255] <... openat resumed>) = 4 [pid 7260] <... prctl resumed>) = 0 [pid 7260] setpgid(0, 0 [ 226.944557][ T7251] REISERFS (device loop4): using ordered data mode [ 226.959478][ T7251] reiserfs: using flush barriers [ 226.969578][ T7251] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 226.986774][ T7251] REISERFS (device loop4): checking transaction log (loop4) [ 226.996065][ T7252] REISERFS (device loop0): checking transaction log (loop0) [pid 7255] ioctl(4, LOOP_SET_FD, 3 [pid 7260] <... setpgid resumed>) = 0 [pid 7255] <... ioctl resumed>) = 0 [pid 7260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7260] write(3, "1000", 4) = 4 [pid 7260] close(3) = 0 [pid 7260] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7260] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7255] close(3 [pid 7260] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7255] <... close resumed>) = 0 [pid 7260] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7255] mkdir("./file0", 0777 [pid 7260] <... clone resumed>, parent_tid=[7261], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7261 [pid 7260] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7260] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7261 attached [pid 7261] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7261] memfd_create("syzkaller", 0) = 3 [pid 7261] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7255] <... mkdir resumed>) = 0 [ 227.005939][ T7255] loop2: detected capacity change from 0 to 8192 [ 227.006580][ T7252] REISERFS (device loop0): Using r5 hash to sort names [ 227.019635][ T7251] REISERFS (device loop4): Using r5 hash to sort names [ 227.030473][ T7251] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7255] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7259] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7251] <... mount resumed>) = 0 [pid 7251] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7251] chdir("./file0") = 0 [pid 7251] ioctl(4, LOOP_CLR_FD) = 0 [ 227.046883][ T7252] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.054790][ T7251] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 227.075322][ T7255] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 227.088162][ T7252] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 227.098106][ T7255] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7251] close(4) = 0 [pid 7251] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7249] <... futex resumed>) = 0 [pid 7251] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7249] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7249] <... futex resumed>) = 0 [pid 7251] mkdir("./file1", 000 [pid 7249] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7251] <... mkdir resumed>) = 0 [pid 7251] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7249] <... futex resumed>) = 0 [pid 7252] <... mount resumed>) = 0 [pid 7251] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7249] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7249] <... futex resumed>) = 0 [pid 7261] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7252] <... openat resumed>) = 3 [pid 7251] mkdir("./bus", 000 [ 227.125413][ T7255] REISERFS (device loop2): using ordered data mode [ 227.132478][ T7255] reiserfs: using flush barriers [ 227.142363][ T7255] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 227.159161][ T7255] REISERFS (device loop2): checking transaction log (loop2) [pid 7249] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] chdir("./file0" [pid 7251] <... mkdir resumed>) = 0 [pid 7252] <... chdir resumed>) = 0 [pid 7251] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] ioctl(4, LOOP_CLR_FD [pid 7251] <... futex resumed>) = 1 [pid 7249] <... futex resumed>) = 0 [pid 7252] <... ioctl resumed>) = 0 [pid 7251] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7249] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] close(4 [pid 7251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7249] <... futex resumed>) = 0 [pid 7252] <... close resumed>) = 0 [pid 7251] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7249] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7259] <... write resumed>) = 4194304 [pid 7255] <... mount resumed>) = 0 [pid 7252] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] munmap(0x7f76a8756000, 4194304 [pid 7255] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7252] <... futex resumed>) = 1 [pid 7250] <... futex resumed>) = 0 [pid 7252] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] <... munmap resumed>) = 0 [pid 7255] <... openat resumed>) = 3 [pid 7252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7250] <... futex resumed>) = 0 [pid 7259] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7255] chdir("./file0" [pid 7252] mkdir("./file1", 000 [pid 7250] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7259] <... openat resumed>) = 4 [pid 7255] <... chdir resumed>) = 0 [pid 7252] <... mkdir resumed>) = 0 [pid 7259] ioctl(4, LOOP_SET_FD, 3 [pid 7255] ioctl(4, LOOP_CLR_FD [ 227.176139][ T7255] REISERFS (device loop2): Using r5 hash to sort names [ 227.183280][ T7255] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.196290][ T7255] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 227.199797][ T7251] overlayfs: upper fs needs to support d_type. [pid 7252] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7250] <... futex resumed>) = 0 [pid 7252] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7250] <... futex resumed>) = 0 [pid 7259] <... ioctl resumed>) = 0 [pid 7255] <... ioctl resumed>) = 0 [pid 7252] mkdir("./bus", 000 [pid 7250] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7259] close(3 [pid 7255] close(4 [pid 7252] <... mkdir resumed>) = 0 [pid 7261] <... write resumed>) = 4194304 [pid 7259] <... close resumed>) = 0 [pid 7255] <... close resumed>) = 0 [pid 7252] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7261] munmap(0x7f76a8756000, 4194304 [pid 7259] mkdir("./file0", 0777 [pid 7255] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] <... futex resumed>) = 1 [pid 7250] <... futex resumed>) = 0 [pid 7249] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = 0 [pid 7252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7250] <... futex resumed>) = 0 [pid 7249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7252] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7250] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7249] <... mmap resumed>) = 0x7f76a8b35000 [pid 7261] <... munmap resumed>) = 0 [pid 7259] <... mkdir resumed>) = 0 [pid 7255] <... futex resumed>) = 1 [pid 7254] <... futex resumed>) = 0 [pid 7249] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [ 227.237387][ T7259] loop3: detected capacity change from 0 to 8192 [ 227.256219][ T7251] overlayfs: upper fs does not support tmpfile. [ 227.263203][ T7251] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 227.273713][ T7252] overlayfs: upper fs needs to support d_type. [ 227.276036][ T7251] overlayfs: failed to resolve './file0': -2 [pid 7249] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7261] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7259] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7255] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7254] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7263 attached [pid 7261] <... openat resumed>) = 4 [pid 7255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7254] <... futex resumed>) = 0 [pid 7251] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7249] <... clone resumed>, parent_tid=[7263], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7263 [pid 7263] set_robust_list(0x7f76a8b559e0, 24 [pid 7261] ioctl(4, LOOP_SET_FD, 3 [pid 7255] mkdir("./file1", 000 [pid 7254] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7251] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] <... set_robust_list resumed>) = 0 [pid 7261] <... ioctl resumed>) = 0 [pid 7255] <... mkdir resumed>) = 0 [pid 7251] <... futex resumed>) = 0 [pid 7249] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] mkdir(".", 0777 [pid 7255] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7263] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7255] <... futex resumed>) = 1 [pid 7254] <... futex resumed>) = 0 [pid 7263] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7255] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7254] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7254] <... futex resumed>) = 0 [pid 7255] mkdir("./bus", 000 [pid 7254] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] close(3 [pid 7255] <... mkdir resumed>) = 0 [pid 7261] <... close resumed>) = 0 [pid 7255] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] mkdir("./file0", 0777 [pid 7255] <... futex resumed>) = 1 [pid 7254] <... futex resumed>) = 0 [pid 7261] <... mkdir resumed>) = 0 [pid 7255] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7254] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7254] <... futex resumed>) = 0 [ 227.287552][ T7252] overlayfs: upper fs does not support tmpfile. [ 227.294518][ T7252] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 227.302567][ T7259] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 227.314208][ T7261] loop1: detected capacity change from 0 to 8192 [ 227.317017][ T7259] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7255] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7254] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7249] <... futex resumed>) = 0 [pid 7250] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7250] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7250] <... futex resumed>) = 0 [pid 7252] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7263] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7263] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7263] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7252] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7252] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] <... mmap resumed>) = 0x7f76a8b35000 [pid 7250] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7254] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7250] <... mprotect resumed>) = 0 [pid 7254] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7254] <... futex resumed>) = 0 [pid 7249] <... futex resumed>) = 0 [ 227.333910][ T7255] overlayfs: upper fs needs to support d_type. [ 227.336236][ T7252] overlayfs: failed to resolve './file0': -2 [ 227.344538][ T7263] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 227.348036][ T7259] REISERFS (device loop3): using ordered data mode [ 227.360977][ T7255] overlayfs: upper fs does not support tmpfile. [ 227.366930][ T7259] reiserfs: using flush barriers [ 227.374536][ T7255] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7250] <... clone resumed>, parent_tid=[7266], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7266 [pid 7249] exit_group(0 [pid 7254] <... mmap resumed>) = 0x7f76a8b35000 [pid 7254] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7254] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7267], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7267 [pid 7254] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7254] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7267 attached [pid 7267] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7267] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7267] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 7266 attached [pid 7266] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7266] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... exit_group resumed>) = ? [pid 7263] <... futex resumed>) = ? [pid 7251] <... futex resumed>) = ? [pid 7250] <... futex resumed>) = 1 [pid 7263] +++ exited with 0 +++ [pid 7251] +++ exited with 0 +++ [pid 7250] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7266] <... futex resumed>) = 0 [pid 7266] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7249] +++ exited with 0 +++ [ 227.386026][ T7261] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 227.386118][ T7259] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 227.409720][ T7261] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 227.416787][ T7259] REISERFS (device loop3): checking transaction log (loop3) [pid 7266] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7249, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5012] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./104/binderfs") = 0 [ 227.436320][ T7261] REISERFS (device loop1): using ordered data mode [ 227.437742][ T7255] overlayfs: failed to resolve './file0': -2 [ 227.443093][ T7261] reiserfs: using flush barriers [ 227.453984][ T7259] REISERFS (device loop3): Using r5 hash to sort names [ 227.463049][ T7259] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.476614][ T7259] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5012] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7259] <... mount resumed>) = 0 [pid 7267] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7259] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7259] chdir("./file0") = 0 [pid 7259] ioctl(4, LOOP_CLR_FD) = 0 [pid 7259] close(4) = 0 [pid 7259] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7257] <... futex resumed>) = 0 [pid 7259] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7257] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7257] <... futex resumed>) = 0 [pid 7259] mkdir("./file1", 000 [pid 7257] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7259] <... mkdir resumed>) = 0 [pid 7259] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7257] <... futex resumed>) = 0 [pid 7267] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7257] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7267] <... futex resumed>) = 1 [pid 7259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7257] <... futex resumed>) = 0 [pid 7267] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7259] mkdir("./bus", 000 [pid 7257] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7259] <... mkdir resumed>) = 0 [pid 7259] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7257] <... futex resumed>) = 0 [pid 7259] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7257] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7257] <... futex resumed>) = 0 [ 227.485800][ T7261] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 227.488099][ T7267] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 227.502809][ T7261] REISERFS (device loop1): checking transaction log (loop1) [ 227.517438][ T7266] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7259] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7257] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7254] <... futex resumed>) = 0 [pid 7255] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7255] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7254] exit_group(0 [pid 7255] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7267] <... futex resumed>) = ? [pid 7255] <... futex resumed>) = ? [pid 7254] <... exit_group resumed>) = ? [pid 7267] +++ exited with 0 +++ [pid 7255] +++ exited with 0 +++ [pid 7254] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7254, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5010] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7257] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] lstat("./104/binderfs", [pid 7257] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7257] <... futex resumed>) = 0 [pid 5010] unlink("./104/binderfs" [pid 7257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... unlink resumed>) = 0 [pid 7257] <... mmap resumed>) = 0x7f76a8b35000 [ 227.543412][ T7259] overlayfs: upper fs needs to support d_type. [ 227.550519][ T7261] REISERFS (device loop1): Using r5 hash to sort names [ 227.559251][ T7261] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.575917][ T7259] overlayfs: upper fs does not support tmpfile. [ 227.586036][ T7259] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5010] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7257] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7266] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7257] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7266] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7257] <... clone resumed>, parent_tid=[7268], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7268 [pid 7250] <... futex resumed>) = 0 [pid 7257] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7266] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7257] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7250] exit_group(0 [pid 7266] <... futex resumed>) = ? [pid 7252] <... futex resumed>) = ? [pid 7250] <... exit_group resumed>) = ? [pid 7266] +++ exited with 0 +++ [pid 7252] +++ exited with 0 +++ [pid 7250] +++ exited with 0 +++ ./strace-static-x86_64: Process 7268 attached [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7250, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 7268] set_robust_list(0x7f76a8b559e0, 24 [pid 5008] <... restart_syscall resumed>) = 0 [pid 7268] <... set_robust_list resumed>) = 0 [pid 7268] mkdir(".", 0777 [pid 5008] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7268] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7268] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./103/binderfs") = 0 [pid 5008] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7261] <... mount resumed>) = 0 [pid 7261] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7261] chdir("./file0") = 0 [pid 7261] ioctl(4, LOOP_CLR_FD) = 0 [pid 7261] close(4) = 0 [pid 7261] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... futex resumed>) = 0 [pid 7260] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7260] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] <... futex resumed>) = 1 [pid 7261] mkdir("./file1", 000) = 0 [pid 7261] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... futex resumed>) = 0 [pid 7260] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7260] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] <... futex resumed>) = 1 [pid 7261] mkdir("./bus", 000) = 0 [pid 7261] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... futex resumed>) = 0 [pid 7260] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7260] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] <... futex resumed>) = 1 [ 227.652340][ T7261] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 227.654567][ T7268] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7261] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./104/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./104/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./104") = 0 [pid 7260] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7260] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7260] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7260] clone(child_stack=0x7f76a8b553f0, 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 7269 attached , parent_tid=[7269], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7269 [pid 7260] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] set_robust_list(0x7f76a8b559e0, 24 [pid 7260] <... futex resumed>) = 0 [pid 5012] mkdir("./105", 0777 [pid 7260] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... mkdir resumed>) = 0 [pid 7269] <... set_robust_list resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7269] mkdir(".", 0777 [pid 5012] <... openat resumed>) = 3 [pid 7269] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7270 [pid 7269] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 7270 attached [pid 7270] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7270] chdir("./105") = 0 [pid 7270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7270] setpgid(0, 0) = 0 [ 227.696797][ T7261] overlayfs: upper fs needs to support d_type. [ 227.729123][ T7261] overlayfs: upper fs does not support tmpfile. [pid 7270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7270] write(3, "1000", 4) = 4 [pid 7270] close(3) = 0 [pid 7270] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7270] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7270] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7270] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7271], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7271 [pid 5010] <... umount2 resumed>) = 0 [pid 7270] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7270] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7271 attached [pid 7271] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7271] memfd_create("syzkaller", 0) = 3 [pid 7271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5010] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./104/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./104/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./104") = 0 [ 227.774293][ T7269] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5010] mkdir("./105", 0777 [pid 7269] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7268] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... mkdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 7269] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] ioctl(3, LOOP_CLR_FD [pid 7271] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] <... futex resumed>) = 1 [pid 7268] <... futex resumed>) = 1 [pid 7260] <... futex resumed>) = 0 [pid 7257] <... futex resumed>) = 0 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] close(3 [pid 7269] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7268] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... close resumed>) = 0 [pid 5008] lstat("./103/file0", [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7272 [pid 5008] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7259] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7272 attached [pid 7259] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7272] set_robust_list(0x555556dec5e0, 24 [pid 7259] <... futex resumed>) = 0 [pid 7257] exit_group(0 [pid 7272] <... set_robust_list resumed>) = 0 [pid 7268] <... futex resumed>) = ? [pid 7261] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7257] <... exit_group resumed>) = ? [pid 5008] <... openat resumed>) = 4 [pid 7272] chdir("./105" [pid 7259] +++ exited with 0 +++ [pid 7272] <... chdir resumed>) = 0 [pid 7272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7272] setpgid(0, 0) = 0 [pid 7272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7272] write(3, "1000", 4) = 4 [pid 7272] close(3) = 0 [pid 7272] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7268] +++ exited with 0 +++ [pid 7261] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7257] +++ exited with 0 +++ [pid 5008] fstat(4, [pid 7272] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... futex resumed>) = 0 [pid 7260] exit_group(0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7257, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7272] <... futex resumed>) = 0 [pid 7260] <... exit_group resumed>) = ? [pid 7272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7269] <... futex resumed>) = ? [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7272] <... mmap resumed>) = 0x7f76b0b56000 [pid 7269] +++ exited with 0 +++ [pid 5011] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7272] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7272] <... mprotect resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7272] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7261] +++ exited with 0 +++ [pid 7260] +++ exited with 0 +++ [pid 5011] <... openat resumed>) = 3 [ 227.827240][ T7259] overlayfs: failed to resolve './file0': -2 [ 227.837260][ T7261] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 227.861027][ T7261] overlayfs: failed to resolve './file0': -2 [pid 5008] getdents64(4, [pid 5011] fstat(3, [pid 7272] <... clone resumed>, parent_tid=[7273], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7273 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7260, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7272] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(3, [pid 5009] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(4, [pid 7272] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7272] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] close(4 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... openat resumed>) = 3 [pid 5011] lstat("./105/binderfs", [pid 5009] fstat(3, [pid 5008] <... close resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] rmdir("./103/file0" [pid 5011] unlink("./105/binderfs" [pid 5009] getdents64(3, [pid 5011] <... unlink resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... rmdir resumed>) = 0 [pid 5011] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, ./strace-static-x86_64: Process 7273 attached [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7273] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] lstat("./103/binderfs", [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7273] <... set_robust_list resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7273] memfd_create("syzkaller", 0 [pid 5009] unlink("./103/binderfs" [pid 5008] close(3 [pid 7273] <... memfd_create resumed>) = 3 [pid 5009] <... unlink resumed>) = 0 [pid 5009] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... close resumed>) = 0 [pid 7273] <... mmap resumed>) = 0x7f76a8756000 [pid 5008] rmdir("./103") = 0 [pid 5008] mkdir("./104", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 7271] <... write resumed>) = 4194304 [pid 7271] munmap(0x7f76a8756000, 4194304) = 0 [pid 7271] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7271] ioctl(4, LOOP_SET_FD, 3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7271] <... ioctl resumed>) = 0 [pid 7271] close(3) = 0 [pid 7271] mkdir("./file0", 0777 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7274 [pid 7271] <... mkdir resumed>) = 0 [pid 7271] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7274 attached [pid 7274] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7274] chdir("./104") = 0 [pid 7274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7274] setpgid(0, 0) = 0 [pid 7274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7274] write(3, "1000", 4) = 4 [pid 7274] close(3) = 0 [pid 7274] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7274] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7274] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7274] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7276 [pid 7274] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 227.972664][ T7271] loop4: detected capacity change from 0 to 8192 [ 227.994163][ T7271] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7274] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7276 attached [pid 7276] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7276] memfd_create("syzkaller", 0) = 3 [ 228.017853][ T7271] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7273] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7276] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] <... umount2 resumed>) = 0 [pid 5009] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./103/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 228.063709][ T7271] REISERFS (device loop4): using ordered data mode [ 228.070756][ T7271] reiserfs: using flush barriers [ 228.078002][ T7271] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 228.095110][ T7271] REISERFS (device loop4): checking transaction log (loop4) [ 228.106290][ T7271] REISERFS (device loop4): Using r5 hash to sort names [pid 5009] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7273] <... write resumed>) = 4194304 [pid 5009] getdents64(4, [pid 7273] munmap(0x7f76a8756000, 4194304 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4 [pid 7273] <... munmap resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 7273] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] rmdir("./103/file0" [pid 7273] <... openat resumed>) = 4 [pid 5011] <... umount2 resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./103") = 0 [pid 5009] mkdir("./104", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [ 228.113425][ T7271] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.153246][ T7271] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7273] ioctl(4, LOOP_SET_FD, 3 [pid 5011] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3 [pid 7273] <... ioctl resumed>) = 0 [pid 7271] <... mount resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... close resumed>) = 0 [pid 7273] close(3 [pid 7271] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5011] lstat("./105/file0", [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7273] <... close resumed>) = 0 [pid 7271] <... openat resumed>) = 3 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7273] mkdir("./file0", 0777 [pid 7271] chdir("./file0" [pid 5011] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7277 ./strace-static-x86_64: Process 7277 attached [pid 7276] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7273] <... mkdir resumed>) = 0 [pid 7271] <... chdir resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7277] set_robust_list(0x555556dec5e0, 24 [pid 7273] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7271] ioctl(4, LOOP_CLR_FD [pid 5011] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7277] <... set_robust_list resumed>) = 0 [pid 7271] <... ioctl resumed>) = 0 [pid 5011] <... openat resumed>) = 4 [pid 7277] chdir("./104" [pid 7271] close(4 [pid 5011] fstat(4, [pid 7277] <... chdir resumed>) = 0 [pid 7271] <... close resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7271] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(4, [pid 7277] <... prctl resumed>) = 0 [pid 7271] <... futex resumed>) = 1 [pid 7270] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7277] setpgid(0, 0 [pid 7271] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7270] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(4, [pid 7277] <... setpgid resumed>) = 0 [pid 7271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7270] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7271] mkdir("./file1", 000 [pid 7270] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] close(4 [pid 7277] <... openat resumed>) = 3 [pid 7271] <... mkdir resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 7277] write(3, "1000", 4 [pid 7271] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] rmdir("./105/file0" [pid 7277] <... write resumed>) = 4 [pid 7271] <... futex resumed>) = 1 [pid 7270] <... futex resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 7277] close(3 [ 228.163747][ T7273] loop2: detected capacity change from 0 to 8192 [pid 7271] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7270] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(3, [pid 7277] <... close resumed>) = 0 [pid 7271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7270] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7277] symlink("/dev/binderfs", "./binderfs" [pid 7271] mkdir("./bus", 000 [pid 7270] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] close(3 [pid 7277] <... symlink resumed>) = 0 [pid 7271] <... mkdir resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 7277] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7271] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] rmdir("./105" [pid 7277] <... futex resumed>) = 0 [pid 7271] <... futex resumed>) = 1 [pid 7270] <... futex resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 7277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7271] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7270] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] mkdir("./106", 0777 [pid 7277] <... mmap resumed>) = 0x7f76b0b56000 [pid 7271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7270] <... futex resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 7277] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7271] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7270] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7277] <... mprotect resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 7277] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7277] <... clone resumed>, parent_tid=[7279], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7279 [pid 5011] close(3 [pid 7277] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... close resumed>) = 0 [pid 7277] <... futex resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7277] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7280 [ 228.209519][ T7273] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.236389][ T7271] overlayfs: upper fs needs to support d_type. [ 228.242924][ T7271] overlayfs: upper fs does not support tmpfile. ./strace-static-x86_64: Process 7279 attached [pid 7279] set_robust_list(0x7f76b0b769e0, 24./strace-static-x86_64: Process 7280 attached [pid 7280] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7280] chdir("./106" [pid 7279] <... set_robust_list resumed>) = 0 [pid 7270] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7280] <... chdir resumed>) = 0 [pid 7270] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7270] <... futex resumed>) = 0 [pid 7280] <... prctl resumed>) = 0 [pid 7270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7280] setpgid(0, 0 [pid 7270] <... mmap resumed>) = 0x7f76a8b35000 [pid 7280] <... setpgid resumed>) = 0 [pid 7270] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7270] <... mprotect resumed>) = 0 [pid 7280] <... openat resumed>) = 3 [pid 7270] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7280] write(3, "1000", 4 [pid 7279] memfd_create("syzkaller", 0 [pid 7280] <... write resumed>) = 4 [pid 7279] <... memfd_create resumed>) = 3 [pid 7270] <... clone resumed>, parent_tid=[7281], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7281 [pid 7280] close(3 [pid 7270] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] <... close resumed>) = 0 [pid 7270] <... futex resumed>) = 0 [pid 7280] symlink("/dev/binderfs", "./binderfs" [pid 7270] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7281 attached [pid 7280] <... symlink resumed>) = 0 [pid 7279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7281] set_robust_list(0x7f76a8b559e0, 24 [pid 7280] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] <... set_robust_list resumed>) = 0 [pid 7280] <... futex resumed>) = 0 [pid 7279] <... mmap resumed>) = 0x7f76a8756000 [pid 7281] mkdir(".", 0777 [pid 7280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7281] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7280] <... mmap resumed>) = 0x7f76b0b56000 [pid 7281] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7280] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7280] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7282], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7282 [pid 7280] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7271] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7280] <... futex resumed>) = 0 [pid 7280] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7271] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 228.259937][ T7273] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 228.270768][ T7271] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 228.280423][ T7271] overlayfs: failed to resolve './file0': -2 [ 228.287369][ T7273] REISERFS (device loop2): using ordered data mode [ 228.296591][ T7273] reiserfs: using flush barriers [pid 7271] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7282 attached [pid 7276] <... write resumed>) = 4194304 [pid 7282] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7281] <... mount resumed>) = -1 EINVAL (Invalid argument) [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 7276] munmap(0x7f76a8756000, 4194304 [pid 7282] memfd_create("syzkaller", 0 [pid 7281] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] <... munmap resumed>) = 0 [pid 7281] <... futex resumed>) = 1 [pid 7281] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7282] <... memfd_create resumed>) = 3 [pid 7276] ioctl(4, LOOP_SET_FD, 3 [ 228.321935][ T7281] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 228.338307][ T7273] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 228.356737][ T7273] REISERFS (device loop2): checking transaction log (loop2) [pid 7270] <... futex resumed>) = 0 [pid 7282] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7276] <... ioctl resumed>) = 0 [pid 7276] close(3) = 0 [pid 7276] mkdir("./file0", 0777 [pid 7270] exit_group(0 [pid 7282] <... mmap resumed>) = 0x7f76a8756000 [pid 7281] <... futex resumed>) = ? [pid 7271] <... futex resumed>) = ? [pid 7270] <... exit_group resumed>) = ? [pid 7281] +++ exited with 0 +++ [pid 7271] +++ exited with 0 +++ [pid 7270] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7270, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5012] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7276] <... mkdir resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7276] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5012] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./105/binderfs") = 0 [ 228.367226][ T7276] loop0: detected capacity change from 0 to 8192 [ 228.367721][ T7273] REISERFS (device loop2): Using r5 hash to sort names [ 228.405141][ T7276] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5012] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 228.406141][ T7273] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.443389][ T7276] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7282] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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(0x7f76a8756000, 4194304) = 0 [pid 7279] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7279] ioctl(4, LOOP_SET_FD, 3 [pid 7273] <... mount resumed>) = 0 [pid 7273] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7273] chdir("./file0") = 0 [pid 7273] ioctl(4, LOOP_CLR_FD) = 0 [pid 7273] close(4 [ 228.483723][ T7273] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 228.486200][ T7276] REISERFS (device loop0): using ordered data mode [ 228.518780][ T7279] loop1: detected capacity change from 0 to 8192 [pid 7279] <... ioctl resumed>) = 0 [pid 7273] <... close resumed>) = 0 [pid 7279] close(3 [pid 7273] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... close resumed>) = 0 [pid 7273] <... futex resumed>) = 1 [pid 7272] <... futex resumed>) = 0 [pid 7279] mkdir("./file0", 0777 [pid 7273] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7272] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... mkdir resumed>) = 0 [pid 7273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7272] <... futex resumed>) = 0 [pid 7279] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7273] mkdir("./file1", 000 [pid 7272] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7273] <... mkdir resumed>) = 0 [pid 7273] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7272] <... futex resumed>) = 0 [pid 7273] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7272] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7272] <... futex resumed>) = 0 [ 228.545544][ T7276] reiserfs: using flush barriers [pid 7273] mkdir("./bus", 000) = 0 [pid 7273] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7273] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./105/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7272] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./105/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./105") = 0 [pid 5012] mkdir("./106", 0777 [pid 7272] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... mkdir resumed>) = 0 [pid 7273] <... futex resumed>) = 0 [pid 7272] <... futex resumed>) = 1 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 228.568108][ T7276] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 228.586179][ T7279] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.606604][ T7276] REISERFS (device loop0): checking transaction log (loop0) [pid 7273] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7272] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7285 [ 228.607434][ T7273] overlayfs: upper fs needs to support d_type. [ 228.614281][ T7279] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 228.621818][ T7276] REISERFS (device loop0): Using r5 hash to sort names [ 228.629577][ T7279] REISERFS (device loop1): using ordered data mode [ 228.643997][ T7279] reiserfs: using flush barriers [pid 7272] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7272] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7285 attached ) = 0 [pid 7285] set_robust_list(0x555556dec5e0, 24 [pid 7272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7272] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7272] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7286], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7286 [pid 7272] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 228.663182][ T7279] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 228.666698][ T7273] overlayfs: upper fs does not support tmpfile. [ 228.684221][ T7279] REISERFS (device loop1): checking transaction log (loop1) [ 228.695061][ T7276] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.708343][ T7276] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7272] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7285] <... set_robust_list resumed>) = 0 [pid 7282] <... write resumed>) = 4194304 [pid 7276] <... mount resumed>) = 0 ./strace-static-x86_64: Process 7286 attached [pid 7285] chdir("./106" [pid 7286] set_robust_list(0x7f76a8b559e0, 24 [pid 7285] <... chdir resumed>) = 0 [pid 7286] <... set_robust_list resumed>) = 0 [pid 7285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7286] mkdir(".", 0777 [pid 7285] <... prctl resumed>) = 0 [pid 7286] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7285] setpgid(0, 0 [pid 7286] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7285] <... setpgid resumed>) = 0 [pid 7285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7282] munmap(0x7f76a8756000, 4194304 [pid 7276] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7285] <... openat resumed>) = 3 [pid 7285] write(3, "1000", 4) = 4 [pid 7285] close(3) = 0 [pid 7285] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7285] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7282] <... munmap resumed>) = 0 [pid 7285] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7276] <... openat resumed>) = 3 [pid 7285] <... mprotect resumed>) = 0 [ 228.711433][ T7279] REISERFS (device loop1): Using r5 hash to sort names [ 228.725153][ T7273] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 228.742029][ T7279] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.742393][ T7273] overlayfs: failed to resolve './file0': -2 [pid 7282] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7285] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7276] chdir("./file0" [pid 7282] <... openat resumed>) = 4 [pid 7279] <... mount resumed>) = 0 [pid 7276] <... chdir resumed>) = 0 [pid 7282] ioctl(4, LOOP_SET_FD, 3 [pid 7279] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7276] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 7287 attached [pid 7286] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7285] <... clone resumed>, parent_tid=[7287], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7287 [pid 7287] set_robust_list(0x7f76b0b769e0, 24 [pid 7286] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7287] <... set_robust_list resumed>) = 0 [pid 7286] <... futex resumed>) = 1 [pid 7285] <... futex resumed>) = 0 [pid 7272] <... futex resumed>) = 0 [pid 7287] memfd_create("syzkaller", 0 [pid 7286] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7285] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7287] <... memfd_create resumed>) = 3 [pid 7287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7279] <... openat resumed>) = 3 [pid 7276] <... ioctl resumed>) = 0 [pid 7279] chdir("./file0" [pid 7276] close(4 [pid 7282] <... ioctl resumed>) = 0 [pid 7279] <... chdir resumed>) = 0 [pid 7276] <... close resumed>) = 0 [pid 7282] close(3 [pid 7279] ioctl(4, LOOP_CLR_FD [pid 7276] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... close resumed>) = 0 [pid 7279] <... ioctl resumed>) = 0 [pid 7276] <... futex resumed>) = 1 [pid 7274] <... futex resumed>) = 0 [pid 7282] mkdir("./file0", 0777 [pid 7279] close(4 [pid 7276] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7274] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... mkdir resumed>) = 0 [pid 7279] <... close resumed>) = 0 [pid 7276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7274] <... futex resumed>) = 0 [pid 7282] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7279] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] mkdir("./file1", 000 [pid 7274] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7273] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7279] <... futex resumed>) = 1 [pid 7277] <... futex resumed>) = 0 [pid 7276] <... mkdir resumed>) = 0 [pid 7273] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] <... futex resumed>) = 0 [pid 7279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] <... futex resumed>) = 0 [pid 7276] <... futex resumed>) = 1 [pid 7274] <... futex resumed>) = 0 [pid 7273] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 228.755011][ T7279] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 228.764169][ T7286] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 228.775074][ T7282] loop3: detected capacity change from 0 to 8192 [pid 7272] exit_group(0 [pid 7279] mkdir("./file1", 000 [pid 7277] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7276] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7279] <... mkdir resumed>) = 0 [pid 7279] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7279] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7286] <... futex resumed>) = ? [pid 7277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7274] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] <... futex resumed>) = ? [pid 7272] <... exit_group resumed>) = ? [pid 7286] +++ exited with 0 +++ [pid 7277] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] <... futex resumed>) = 0 [pid 7274] <... futex resumed>) = 1 [pid 7273] +++ exited with 0 +++ [pid 7276] mkdir("./bus", 000 [pid 7279] <... futex resumed>) = 0 [pid 7277] <... futex resumed>) = 1 [pid 7276] <... mkdir resumed>) = 0 [pid 7274] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7272] +++ exited with 0 +++ [pid 7279] mkdir("./bus", 000 [pid 7277] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7276] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7279] <... mkdir resumed>) = 0 [pid 7276] <... futex resumed>) = 0 [pid 7274] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7272, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7279] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7274] <... futex resumed>) = 0 [pid 5010] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7279] <... futex resumed>) = 1 [pid 7277] <... futex resumed>) = 0 [pid 7274] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7279] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] <... futex resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [ 228.826661][ T7282] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.859359][ T7276] overlayfs: upper fs needs to support d_type. [ 228.870358][ T7276] overlayfs: upper fs does not support tmpfile. [pid 7279] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7277] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./105/binderfs", [pid 7287] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./105/binderfs") = 0 [pid 5010] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 228.879208][ T7279] overlayfs: upper fs needs to support d_type. [ 228.890917][ T7279] overlayfs: upper fs does not support tmpfile. [ 228.905945][ T7282] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 228.911889][ T7276] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 228.917274][ T7282] REISERFS (device loop3): using ordered data mode [pid 7274] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7277] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7274] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] <... futex resumed>) = 0 [pid 7277] <... futex resumed>) = 0 [ 228.930040][ T7282] reiserfs: using flush barriers [ 228.934254][ T7279] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 228.938276][ T7282] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 228.958002][ T7276] overlayfs: failed to resolve './file0': -2 [ 228.959653][ T7282] REISERFS (device loop3): checking transaction log (loop3) [ 228.970082][ T7279] overlayfs: failed to resolve './file0': -2 [pid 7274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7274] <... mmap resumed>) = 0x7f76a8b35000 [pid 7277] <... mmap resumed>) = 0x7f76a8b35000 [pid 7274] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7277] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7274] <... mprotect resumed>) = 0 [pid 7277] <... mprotect resumed>) = 0 [pid 7274] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7276] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7276] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7277] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7276] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7274] <... clone resumed>, parent_tid=[7289], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7289 [pid 7274] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] <... clone resumed>, parent_tid=[7290], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7290 [pid 7274] <... futex resumed>) = 0 [pid 7277] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7277] <... futex resumed>) = 0 [pid 7277] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7279] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7279] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7279] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7290 attached [pid 7290] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7290] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7290] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 7289 attached [pid 7289] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7289] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7289] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] <... mount resumed>) = 0 [pid 7282] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 228.980620][ T7282] REISERFS (device loop3): Using r5 hash to sort names [ 228.989954][ T7282] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 229.006939][ T7282] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7282] chdir("./file0") = 0 [pid 7282] ioctl(4, LOOP_CLR_FD) = 0 [pid 7282] close(4) = 0 [pid 7282] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7280] <... futex resumed>) = 0 [pid 7282] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7280] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] <... futex resumed>) = 0 [pid 7282] mkdir("./file1", 000 [pid 7280] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7282] <... mkdir resumed>) = 0 [pid 7282] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7280] <... futex resumed>) = 0 [pid 7282] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] mkdir("./bus", 000 [pid 7280] <... futex resumed>) = 0 [pid 7282] <... mkdir resumed>) = 0 [pid 7282] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7282] <... futex resumed>) = 0 [pid 7280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7282] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7280] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] <... futex resumed>) = 0 [pid 7282] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7280] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7287] <... write resumed>) = 4194304 [pid 7287] munmap(0x7f76a8756000, 4194304) = 0 [pid 7290] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7290] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7277] <... futex resumed>) = 0 [pid 7277] exit_group(0 [pid 7279] <... futex resumed>) = ? [pid 7277] <... exit_group resumed>) = ? [pid 7279] +++ exited with 0 +++ [pid 7287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 229.060469][ T7290] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 229.076148][ T7289] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 229.103182][ T7282] overlayfs: upper fs needs to support d_type. [pid 7287] ioctl(4, LOOP_SET_FD, 3 [pid 7289] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7289] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7274] <... futex resumed>) = 0 [pid 7289] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7290] +++ exited with 0 +++ [pid 7277] +++ exited with 0 +++ [pid 7274] exit_group(0 [pid 7289] <... futex resumed>) = ? [pid 7276] <... futex resumed>) = ? [pid 7274] <... exit_group resumed>) = ? [pid 7289] +++ exited with 0 +++ [pid 7276] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7277, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7287] <... ioctl resumed>) = 0 [pid 7287] close(3 [pid 7274] +++ exited with 0 +++ [pid 7287] <... close resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7274, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5009] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [pid 5009] fstat(3, [pid 5008] fstat(3, [pid 5009] <... 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 5009] getdents64(3, [pid 5008] getdents64(3, [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./104/binderfs", [pid 5008] lstat("./104/binderfs", [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./104/binderfs" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5008] unlink("./104/binderfs" [pid 5009] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... unlink resumed>) = 0 [pid 5008] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7287] mkdir("./file0", 0777) = 0 [pid 7287] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7280] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7280] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [ 229.118466][ T7282] overlayfs: upper fs does not support tmpfile. [ 229.120035][ T7287] loop4: detected capacity change from 0 to 8192 [pid 7280] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7292], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7292 [pid 5010] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7292 attached [pid 7292] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7292] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7280] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7292] <... futex resumed>) = 0 [pid 7280] <... futex resumed>) = 1 [pid 7292] mkdir(".", 0777 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7280] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7292] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5010] lstat("./105/file0", [pid 7292] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./105/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [ 229.158906][ T7287] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 229.162579][ T7282] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 229.176387][ T7287] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 229.191390][ T7287] REISERFS (device loop4): using ordered data mode [ 229.204303][ T7287] reiserfs: using flush barriers [pid 5010] rmdir("./105") = 0 [pid 5010] mkdir("./106", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 229.211673][ T7287] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 229.236822][ T7292] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 229.247863][ T7287] REISERFS (device loop4): checking transaction log (loop4) [pid 5010] close(3) = 0 [pid 7292] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7292] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7280] <... futex resumed>) = 0 [pid 7292] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7293 [pid 7287] <... mount resumed>) = 0 [pid 7287] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7287] chdir("./file0") = 0 [pid 7287] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 7293 attached ) = 0 [pid 7293] set_robust_list(0x555556dec5e0, 24 [pid 7287] close(4 [pid 7293] <... set_robust_list resumed>) = 0 [pid 7287] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 7293] chdir("./106") = 0 [pid 7287] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7287] <... futex resumed>) = 1 [pid 7285] <... futex resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7293] setpgid(0, 0 [pid 7287] mkdir("./file1", 000 [pid 7285] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... setpgid resumed>) = 0 [pid 7285] <... futex resumed>) = 0 [pid 7287] <... mkdir resumed>) = 0 [pid 5009] lstat("./104/file0", [pid 7293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7285] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7293] <... openat resumed>) = 3 [pid 7287] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7293] write(3, "1000", 4 [pid 7287] <... futex resumed>) = 0 [pid 7285] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7293] <... write resumed>) = 4 [pid 7287] mkdir("./bus", 000 [pid 7285] <... futex resumed>) = 0 [pid 7293] close(3 [pid 7287] <... mkdir resumed>) = 0 [pid 7285] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7293] <... close resumed>) = 0 [pid 7287] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5009] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 229.264833][ T7282] overlayfs: failed to resolve './file0': -2 [ 229.272763][ T7287] REISERFS (device loop4): Using r5 hash to sort names [ 229.283000][ T7287] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 229.296515][ T7287] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7293] symlink("/dev/binderfs", "./binderfs" [pid 7287] <... futex resumed>) = 0 [pid 7285] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... symlink resumed>) = 0 [pid 7287] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7285] <... futex resumed>) = 0 [pid 5009] <... openat resumed>) = 4 [pid 7293] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] fstat(4, [pid 7293] <... futex resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] getdents64(4, [pid 7293] <... mmap resumed>) = 0x7f76b0b56000 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7293] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7293] <... mprotect resumed>) = 0 [pid 5009] close(4 [pid 7293] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] <... close resumed>) = 0 [pid 5009] rmdir("./104/file0" [pid 7293] <... clone resumed>, parent_tid=[7294], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7294 [pid 5009] <... rmdir resumed>) = 0 [pid 7293] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] getdents64(3, [pid 7293] <... futex resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7293] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] close(3) = 0 [pid 5009] rmdir("./104"./strace-static-x86_64: Process 7294 attached ) = 0 [pid 7294] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] mkdir("./105", 0777 [pid 7294] <... set_robust_list resumed>) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7294] memfd_create("syzkaller", 0 [pid 5009] <... openat resumed>) = 3 [pid 7294] <... memfd_create resumed>) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 7294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 229.358610][ T7287] overlayfs: upper fs needs to support d_type. [ 229.365047][ T7287] overlayfs: upper fs does not support tmpfile. [pid 5009] close(3 [pid 7294] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] <... close resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7295 ./strace-static-x86_64: Process 7295 attached [pid 7295] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7295] chdir("./105") = 0 [pid 7295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7295] setpgid(0, 0) = 0 [pid 7295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7295] write(3, "1000", 4) = 4 [pid 7295] close(3) = 0 [pid 7295] symlink("/dev/binderfs", "./binderfs" [pid 7285] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7285] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7295] <... symlink resumed>) = 0 [pid 7285] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7295] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] <... mprotect resumed>) = 0 [pid 7295] <... futex resumed>) = 0 [pid 7285] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7282] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7282] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] exit_group(0 [pid 7295] <... mmap resumed>) = 0x7f76b0b56000 [pid 7292] <... futex resumed>) = ? [pid 7285] <... clone resumed>, parent_tid=[7296], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7296 [ 229.408443][ T7287] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7282] <... futex resumed>) = ? [pid 7280] <... exit_group resumed>) = ? [pid 7295] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7285] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] +++ exited with 0 +++ ./strace-static-x86_64: Process 7296 attached [pid 7295] <... mprotect resumed>) = 0 [pid 7285] <... futex resumed>) = 0 [pid 7296] set_robust_list(0x7f76a8b559e0, 24 [pid 7295] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7285] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7296] <... set_robust_list resumed>) = 0 [pid 7296] mkdir(".", 0777 [pid 7295] <... clone resumed>, parent_tid=[7297], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7297 [pid 7296] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7295] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7295] <... futex resumed>) = 0 [pid 7295] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7297 attached [pid 7297] set_robust_list(0x7f76b0b769e0, 24 [pid 7292] +++ exited with 0 +++ [pid 7280] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7280, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7297] <... set_robust_list resumed>) = 0 [pid 7297] memfd_create("syzkaller", 0) = 3 [pid 7297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7297] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, [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 7287] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 7287] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(3, [pid 7287] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7287] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./106/binderfs", [pid 5008] lstat("./104/file0", [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./106/binderfs" [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5008] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./104/file0", 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, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./104/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./104" [pid 7296] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7296] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... rmdir resumed>) = 0 [ 229.449935][ T7287] overlayfs: failed to resolve './file0': -2 [ 229.477521][ T7296] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] mkdir("./105", 0777 [pid 7296] <... futex resumed>) = 1 [pid 7285] <... futex resumed>) = 0 [pid 7296] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7285] exit_group(0 [pid 5008] <... mkdir resumed>) = 0 [pid 7296] <... futex resumed>) = ? [pid 7287] <... futex resumed>) = ? [pid 7285] <... exit_group resumed>) = ? [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7296] +++ exited with 0 +++ [pid 7287] +++ exited with 0 +++ [pid 7285] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7285, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5008] <... openat resumed>) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... close resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7298 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./106/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./106/binderfs") = 0 [pid 5012] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7298 attached [pid 7298] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] chdir("./105" [pid 7294] <... write resumed>) = 4194304 [pid 7298] <... chdir resumed>) = 0 [pid 7294] munmap(0x7f76a8756000, 4194304 [pid 7298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7298] setpgid(0, 0) = 0 [pid 7298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7294] <... munmap resumed>) = 0 [pid 7298] <... openat resumed>) = 3 [pid 7298] write(3, "1000", 4 [pid 7294] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7298] <... write resumed>) = 4 [pid 7298] close(3 [pid 7294] <... openat resumed>) = 4 [pid 7298] <... close resumed>) = 0 [pid 7294] ioctl(4, LOOP_SET_FD, 3 [pid 7298] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7298] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7294] <... ioctl resumed>) = 0 [pid 7298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7294] close(3 [pid 7298] <... mmap resumed>) = 0x7f76b0b56000 [pid 7294] <... close resumed>) = 0 [pid 7298] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7294] mkdir("./file0", 0777 [pid 7298] <... mprotect resumed>) = 0 [pid 7298] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7294] <... mkdir resumed>) = 0 [pid 7298] <... clone resumed>, parent_tid=[7299], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7299 [pid 7298] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7298] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7294] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7299 attached [pid 7299] set_robust_list(0x7f76b0b769e0, 24) = 0 [ 229.626769][ T7294] loop2: detected capacity change from 0 to 8192 [pid 7299] memfd_create("syzkaller", 0) = 3 [pid 5011] <... umount2 resumed>) = 0 [pid 7299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./106/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7299] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] <... openat resumed>) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./106/file0") = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [ 229.671795][ T7294] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 229.686014][ T7294] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [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 5011] rmdir("./106") = 0 [pid 5011] mkdir("./107", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7297] <... write resumed>) = 4194304 [pid 5011] <... openat resumed>) = 3 [pid 7297] munmap(0x7f76a8756000, 4194304 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3 [pid 7297] <... munmap resumed>) = 0 [pid 5012] <... umount2 resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7301 ./strace-static-x86_64: Process 7301 attached [pid 7301] set_robust_list(0x555556dec5e0, 24 [pid 7297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5012] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7297] <... openat resumed>) = 4 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 229.724904][ T7294] REISERFS (device loop2): using ordered data mode [ 229.750636][ T7294] reiserfs: using flush barriers [ 229.757584][ 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 7301] <... set_robust_list resumed>) = 0 [pid 7297] ioctl(4, LOOP_SET_FD, 3 [pid 5012] lstat("./106/file0", [pid 7301] chdir("./107") = 0 [pid 7301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7301] setpgid(0, 0) = 0 [pid 7301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7301] write(3, "1000", 4) = 4 [pid 7301] close(3) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7301] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7301] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7297] <... ioctl resumed>) = 0 [pid 7301] <... mmap resumed>) = 0x7f76b0b56000 [pid 7301] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7301] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7302], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7302 [pid 7301] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7301] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7302 attached [pid 7302] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7302] memfd_create("syzkaller", 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7302] <... memfd_create resumed>) = 3 [pid 7297] close(3 [pid 7302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7297] <... close resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7297] mkdir("./file0", 0777 [pid 7294] <... mount resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 7297] <... mkdir resumed>) = 0 [pid 5012] fstat(4, [pid 7297] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7294] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7294] <... openat resumed>) = 3 [pid 5012] getdents64(4, [pid 7294] chdir("./file0" [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7294] <... chdir resumed>) = 0 [pid 5012] getdents64(4, [pid 7294] ioctl(4, LOOP_CLR_FD [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [ 229.775670][ T7294] REISERFS (device loop2): checking transaction log (loop2) [ 229.784179][ T7297] loop1: detected capacity change from 0 to 8192 [ 229.792556][ T7294] REISERFS (device loop2): Using r5 hash to sort names [ 229.800715][ T7294] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 229.814947][ T7294] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5012] close(4) = 0 [pid 7294] <... ioctl resumed>) = 0 [pid 5012] rmdir("./106/file0" [pid 7294] close(4) = 0 [ 229.833104][ T7297] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 229.855301][ T7297] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 229.864847][ T7297] REISERFS (device loop1): using ordered data mode [ 229.873040][ T7297] reiserfs: using flush barriers [pid 5012] <... rmdir resumed>) = 0 [pid 7302] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7294] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(3, [pid 7299] <... write resumed>) = 4194304 [pid 7294] <... futex resumed>) = 1 [pid 7293] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7299] munmap(0x7f76a8756000, 4194304 [pid 7294] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] close(3 [pid 7299] <... munmap resumed>) = 0 [pid 7294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7293] <... futex resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 7299] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7293] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] rmdir("./106" [pid 7299] <... openat resumed>) = 4 [pid 5012] <... rmdir resumed>) = 0 [pid 7299] ioctl(4, LOOP_SET_FD, 3 [pid 5012] mkdir("./107", 0777 [pid 7294] mkdir("./file1", 000 [pid 5012] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7294] <... mkdir resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 7294] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7294] <... futex resumed>) = 1 [pid 7293] <... futex resumed>) = 0 [pid 7294] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 229.885500][ T7297] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 229.904704][ T7297] REISERFS (device loop1): checking transaction log (loop1) [ 229.916292][ T7297] REISERFS (device loop1): Using r5 hash to sort names [ 229.920833][ T7299] loop0: detected capacity change from 0 to 8192 [pid 5012] close(3 [pid 7294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7293] <... futex resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7304 [pid 7299] <... ioctl resumed>) = 0 [pid 7299] close(3) = 0 [pid 7299] mkdir("./file0", 0777) = 0 [pid 7299] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7294] mkdir("./bus", 000 [pid 7293] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7294] <... mkdir resumed>) = 0 [pid 7294] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7304 attached ) = 1 [pid 7293] <... futex resumed>) = 0 [pid 7294] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7304] set_robust_list(0x555556dec5e0, 24 [pid 7294] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7293] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7304] <... set_robust_list resumed>) = 0 [pid 7304] chdir("./107") = 0 [pid 7304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7304] setpgid(0, 0) = 0 [pid 7304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7304] write(3, "1000", 4) = 4 [pid 7304] close(3) = 0 [pid 7304] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7304] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7304] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7304] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7306 [pid 7304] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 229.943932][ T7297] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 229.964199][ T7294] overlayfs: upper fs needs to support d_type. [ 229.971093][ T7299] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7304] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7293] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7306 attached [pid 7302] <... write resumed>) = 4194304 [pid 7293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7297] <... mount resumed>) = 0 [pid 7297] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7297] chdir("./file0") = 0 [pid 7297] ioctl(4, LOOP_CLR_FD) = 0 [pid 7297] close(4) = 0 [pid 7297] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7297] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7295] <... futex resumed>) = 0 [pid 7293] <... mmap resumed>) = 0x7f76a8b35000 [pid 7295] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7306] set_robust_list(0x7f76b0b769e0, 24 [pid 7302] munmap(0x7f76a8756000, 4194304 [pid 7297] <... futex resumed>) = 0 [pid 7295] <... futex resumed>) = 1 [pid 7293] <... mprotect resumed>) = 0 [pid 7297] mkdir("./file1", 000 [pid 7295] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7293] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7297] <... mkdir resumed>) = 0 [pid 7297] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] <... set_robust_list resumed>) = 0 [pid 7302] <... munmap resumed>) = 0 [pid 7297] <... futex resumed>) = 1 [pid 7295] <... futex resumed>) = 0 [ 230.008124][ T7294] overlayfs: upper fs does not support tmpfile. [ 230.015481][ T7297] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 230.022351][ T7299] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 230.028387][ T7294] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 230.045447][ T7299] REISERFS (device loop0): using ordered data mode [ 230.052928][ T7299] reiserfs: using flush barriers [pid 7297] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] memfd_create("syzkaller", 0 [pid 7302] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7295] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... clone resumed>, parent_tid=[7307], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7307 ./strace-static-x86_64: Process 7307 attached [pid 7307] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7307] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] <... memfd_create resumed>) = 3 [pid 7297] mkdir("./bus", 000 [pid 7295] <... futex resumed>) = 0 [pid 7293] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... openat resumed>) = 4 [pid 7307] <... futex resumed>) = 0 [pid 7306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7302] ioctl(4, LOOP_SET_FD, 3 [pid 7297] <... mkdir resumed>) = 0 [pid 7295] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7293] <... futex resumed>) = 1 [pid 7307] mkdir(".", 0777 [pid 7306] <... mmap resumed>) = 0x7f76a8756000 [pid 7297] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7293] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7295] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] <... futex resumed>) = 0 [pid 7307] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7295] <... futex resumed>) = 0 [pid 7307] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7297] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7295] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7302] <... ioctl resumed>) = 0 [pid 7302] close(3) = 0 [pid 7302] mkdir("./file0", 0777) = 0 [ 230.055525][ T7294] overlayfs: failed to resolve './file0': -2 [ 230.065789][ T7299] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 230.083962][ T7299] REISERFS (device loop0): checking transaction log (loop0) [ 230.086510][ T7302] loop3: detected capacity change from 0 to 8192 [pid 7302] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7294] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7294] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7294] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7299] <... mount resumed>) = 0 [pid 7299] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7299] chdir("./file0") = 0 [pid 7299] ioctl(4, LOOP_CLR_FD) = 0 [pid 7299] close(4) = 0 [pid 7299] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... futex resumed>) = 0 [pid 7298] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7298] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] <... futex resumed>) = 1 [pid 7299] mkdir("./file1", 000) = 0 [pid 7299] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... futex resumed>) = 0 [pid 7298] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7298] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] <... futex resumed>) = 1 [pid 7299] mkdir("./bus", 000 [pid 7295] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7295] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [ 230.107704][ T7299] REISERFS (device loop0): Using r5 hash to sort names [ 230.109451][ T7297] overlayfs: upper fs needs to support d_type. [ 230.114841][ T7299] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 230.135894][ T7297] overlayfs: upper fs does not support tmpfile. [ 230.137463][ T7299] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 230.146018][ T7297] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7299] <... mkdir resumed>) = 0 [pid 7299] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... futex resumed>) = 0 [pid 7298] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7298] futex(0x7f76b0c5076c, 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,nfs_export=on," [pid 7295] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7295] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7309], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7309 [pid 7295] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 230.167186][ T7302] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 230.173166][ T7299] overlayfs: upper fs needs to support d_type. [ 230.187702][ T7307] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 230.188481][ T7299] overlayfs: upper fs does not support tmpfile. [pid 7295] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7309 attached [pid 7306] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7298] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7309] mkdir(".", 0777) = -1 EEXIST (File exists) [ 230.213542][ T7299] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 230.218791][ T7297] overlayfs: failed to resolve './file0': -2 [ 230.227337][ T7302] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 230.237364][ T7302] REISERFS (device loop3): using ordered data mode [ 230.244375][ T7302] reiserfs: using flush barriers [ 230.251065][ T7302] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7309] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7307] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7298] <... futex resumed>) = 0 [pid 7307] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7307] <... futex resumed>) = 1 [pid 7293] <... futex resumed>) = 0 [pid 7307] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] <... mmap resumed>) = 0x7f76a8b35000 [pid 7297] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7293] exit_group(0 [pid 7309] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7307] <... futex resumed>) = ? [pid 7299] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7298] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7297] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] <... futex resumed>) = ? [pid 7293] <... exit_group resumed>) = ? [ 230.267936][ T7302] REISERFS (device loop3): checking transaction log (loop3) [ 230.273035][ T7309] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 230.278410][ T7299] overlayfs: failed to resolve './file0': -2 [ 230.304140][ T7302] REISERFS (device loop3): Using r5 hash to sort names [pid 7309] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] +++ exited with 0 +++ [pid 7298] <... mprotect resumed>) = 0 [pid 7294] +++ exited with 0 +++ [pid 7293] +++ exited with 0 +++ [pid 7309] <... futex resumed>) = 1 [pid 7298] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7295] <... futex resumed>) = 0 [pid 7309] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7295] exit_group(0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7293, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7309] <... futex resumed>) = ? [pid 7299] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... clone resumed>, parent_tid=[7310], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7310 [pid 7297] <... futex resumed>) = ? [pid 7295] <... exit_group resumed>) = ? [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 7309] +++ exited with 0 +++ [pid 7298] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... restart_syscall resumed>) = 0 [pid 7298] <... futex resumed>) = 0 [pid 7298] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7299] <... futex resumed>) = 0 [pid 5010] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7297] +++ exited with 0 +++ [pid 7295] +++ exited with 0 +++ [pid 5010] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7310 attached [pid 7302] <... mount resumed>) = 0 [pid 7299] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... openat resumed>) = 3 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7295, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 7310] set_robust_list(0x7f76a8b559e0, 24 [pid 7302] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5010] fstat(3, [pid 7310] <... set_robust_list resumed>) = 0 [pid 7302] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7310] mkdir(".", 0777 [pid 7302] chdir("./file0" [pid 5010] getdents64(3, [pid 7310] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7302] <... chdir resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7310] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7302] ioctl(4, LOOP_CLR_FD [pid 5010] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7302] <... ioctl resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7302] close(4 [ 230.311465][ T7302] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 230.325402][ T7302] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5010] lstat("./106/binderfs", [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7302] <... close resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7302] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] unlink("./106/binderfs" [pid 5009] <... openat resumed>) = 3 [pid 7302] <... futex resumed>) = 1 [pid 7301] <... futex resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5009] fstat(3, [pid 7310] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7306] <... write resumed>) = 4194304 [pid 7302] mkdir("./file1", 000 [pid 7301] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7310] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] munmap(0x7f76a8756000, 4194304 [pid 7302] <... mkdir resumed>) = 0 [pid 7301] <... futex resumed>) = 0 [pid 7301] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7310] <... futex resumed>) = 1 [pid 7306] <... munmap resumed>) = 0 [pid 7302] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... futex resumed>) = 0 [pid 7310] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7302] <... futex resumed>) = 1 [pid 5009] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7306] <... openat resumed>) = 4 [pid 7302] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7301] <... futex resumed>) = 0 [pid 7298] exit_group(0 [pid 7306] ioctl(4, LOOP_SET_FD, 3 [pid 7310] <... futex resumed>) = ? [pid 7306] <... ioctl resumed>) = 0 [pid 7301] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] <... futex resumed>) = ? [pid 7298] <... exit_group resumed>) = ? [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7306] close(3 [pid 7302] <... futex resumed>) = 0 [pid 7301] <... futex resumed>) = 1 [pid 7310] +++ exited with 0 +++ [pid 7306] <... close resumed>) = 0 [pid 7302] mkdir("./bus", 000 [pid 7301] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] +++ exited with 0 +++ [pid 7298] +++ exited with 0 +++ [pid 5009] lstat("./105/binderfs", [pid 7306] mkdir("./file0", 0777 [pid 7302] <... mkdir resumed>) = 0 [pid 7306] <... mkdir resumed>) = 0 [pid 7302] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7306] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7302] <... futex resumed>) = 1 [pid 7301] <... futex resumed>) = 0 [pid 5009] unlink("./105/binderfs" [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7298, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 7302] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7301] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7301] <... futex resumed>) = 0 [pid 7302] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7301] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... unlink resumed>) = 0 [pid 5008] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 230.358211][ T7310] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 230.387342][ T7306] loop4: detected capacity change from 0 to 8192 [ 230.404864][ T7302] overlayfs: upper fs needs to support d_type. [ 230.412272][ T7302] overlayfs: upper fs does not support tmpfile. [pid 5008] openat(AT_FDCWD, "./105", 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, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./105/binderfs") = 0 [pid 5008] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7301] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7301] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7301] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7301] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7312], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7312 [pid 7301] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 230.421767][ T7302] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 230.429496][ T7306] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 230.445094][ T7306] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7301] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7312 attached [pid 7312] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7312] mkdir(".", 0777) = -1 EEXIST (File exists) [ 230.486865][ T7302] overlayfs: failed to resolve './file0': -2 [ 230.498936][ T7306] REISERFS (device loop4): using ordered data mode [ 230.506142][ T7306] reiserfs: using flush barriers [ 230.514440][ T7306] 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 7312] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] <... umount2 resumed>) = 0 [pid 7302] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7302] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7302] <... futex resumed>) = 0 [pid 7302] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] lstat("./106/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./106/file0") = 0 [pid 5010] getdents64(3, [pid 7312] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 230.532071][ T7306] REISERFS (device loop4): checking transaction log (loop4) [ 230.546605][ T7306] REISERFS (device loop4): Using r5 hash to sort names [ 230.553759][ T7306] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 230.569944][ T7312] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7312] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] close(3 [pid 7312] <... futex resumed>) = 1 [pid 7301] <... futex resumed>) = 0 [pid 7312] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... close resumed>) = 0 [pid 7301] exit_group(0 [pid 7312] <... futex resumed>) = ? [pid 7302] <... futex resumed>) = ? [pid 7301] <... exit_group resumed>) = ? [pid 5010] rmdir("./106" [pid 7302] +++ exited with 0 +++ [pid 5010] <... rmdir resumed>) = 0 [pid 5010] mkdir("./107", 0777 [pid 7312] +++ exited with 0 +++ [pid 7301] +++ exited with 0 +++ [pid 5010] <... mkdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7301, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5011] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... openat resumed>) = 3 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5011] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = 0 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7306] <... mount resumed>) = 0 [pid 5011] lstat("./107/binderfs", [pid 5010] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7306] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 5008] lstat("./105/file0", [pid 7306] <... openat resumed>) = 3 [pid 5011] unlink("./107/binderfs" [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7306] chdir("./file0" [pid 5011] <... unlink resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7306] <... chdir resumed>) = 0 [pid 5011] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7313 [pid 5009] lstat("./105/file0", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7306] ioctl(4, LOOP_CLR_FD [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7306] <... ioctl resumed>) = 0 [pid 5009] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 4 [pid 7306] close(4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(4, [pid 7306] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7306] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... openat resumed>) = 4 [pid 5008] getdents64(4, [pid 7306] <... futex resumed>) = 1 [pid 7304] <... futex resumed>) = 0 [pid 5009] fstat(4, [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 7313 attached [pid 7306] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7304] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 7313] set_robust_list(0x555556dec5e0, 24 [pid 7306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7304] <... futex resumed>) = 0 [pid 5009] getdents64(4, [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7313] <... set_robust_list resumed>) = 0 [pid 7306] mkdir("./file1", 000 [pid 7304] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] close(4 [pid 7306] <... mkdir resumed>) = 0 [pid 5009] getdents64(4, [pid 5008] <... close resumed>) = 0 [pid 7306] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] rmdir("./105/file0" [pid 7313] chdir("./107" [pid 7306] <... futex resumed>) = 0 [pid 7304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5009] close(4 [pid 5008] <... rmdir resumed>) = 0 [pid 7313] <... chdir resumed>) = 0 [pid 7306] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7304] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... close resumed>) = 0 [pid 5008] getdents64(3, [pid 7313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7304] <... futex resumed>) = 0 [pid 5009] rmdir("./105/file0" [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7313] <... prctl resumed>) = 0 [pid 7306] mkdir("./bus", 000 [pid 7304] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... rmdir resumed>) = 0 [pid 5008] close(3 [pid 7313] setpgid(0, 0 [pid 7306] <... mkdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] <... close resumed>) = 0 [pid 7313] <... setpgid resumed>) = 0 [pid 7306] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] rmdir("./105" [pid 7313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7306] <... futex resumed>) = 1 [pid 7304] <... futex resumed>) = 0 [pid 5009] close(3 [pid 5008] <... rmdir resumed>) = 0 [pid 7313] <... openat resumed>) = 3 [pid 7306] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7304] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... close resumed>) = 0 [pid 5008] mkdir("./106", 0777 [pid 7313] write(3, "1000", 4 [pid 7306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7304] <... futex resumed>) = 0 [pid 5009] rmdir("./105" [pid 5008] <... mkdir resumed>) = 0 [pid 7313] <... write resumed>) = 4 [pid 7306] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 230.642791][ T7306] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7304] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... rmdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7313] close(3 [pid 5009] mkdir("./106", 0777 [pid 5008] <... openat resumed>) = 3 [pid 7313] <... close resumed>) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7313] symlink("/dev/binderfs", "./binderfs" [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7313] <... symlink resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] close(3 [pid 7313] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5008] <... close resumed>) = 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] close(3) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7314 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7315 ./strace-static-x86_64: Process 7314 attached [pid 7314] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7314] chdir("./106" [pid 7313] <... futex resumed>) = 0 [pid 7313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7314] <... chdir resumed>) = 0 [pid 7314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7313] <... mmap resumed>) = 0x7f76b0b56000 [pid 7314] <... prctl resumed>) = 0 [pid 7314] setpgid(0, 0 [pid 7313] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7314] <... setpgid resumed>) = 0 [pid 7314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7313] <... mprotect resumed>) = 0 [pid 7314] <... openat resumed>) = 3 [pid 7313] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7314] write(3, "1000", 4) = 4 [pid 7313] <... clone resumed>, parent_tid=[7316], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7316 [ 230.702388][ T7306] overlayfs: upper fs needs to support d_type. [ 230.713387][ T7306] overlayfs: upper fs does not support tmpfile. [pid 7314] close(3 [pid 7313] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7314] <... close resumed>) = 0 [pid 7313] <... futex resumed>) = 0 [pid 7304] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7316 attached ./strace-static-x86_64: Process 7315 attached [pid 7314] symlink("/dev/binderfs", "./binderfs" [pid 7313] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7304] <... futex resumed>) = 0 [pid 7316] set_robust_list(0x7f76b0b769e0, 24 [pid 7315] set_robust_list(0x555556dec5e0, 24 [pid 7314] <... symlink resumed>) = 0 [pid 7304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7314] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7304] <... mmap resumed>) = 0x7f76a8b35000 [pid 7316] <... set_robust_list resumed>) = 0 [pid 7315] <... set_robust_list resumed>) = 0 [pid 7314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7304] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7314] <... mmap resumed>) = 0x7f76b0b56000 [pid 7314] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7304] <... mprotect resumed>) = 0 [pid 7316] memfd_create("syzkaller", 0 [pid 7314] <... mprotect resumed>) = 0 [pid 7304] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7316] <... memfd_create resumed>) = 3 [pid 7315] chdir("./106" [pid 7314] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7315] <... chdir resumed>) = 0 [pid 7304] <... clone resumed>, parent_tid=[7317], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7317 [pid 7314] <... clone resumed>, parent_tid=[7318], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7318 [pid 7304] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... mmap resumed>) = 0x7f76a8756000 [pid 7315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7314] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7304] <... futex resumed>) = 0 [pid 5011] <... umount2 resumed>) = 0 [pid 7315] <... prctl resumed>) = 0 [pid 7314] <... futex resumed>) = 0 [pid 7304] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7317 attached [pid 7314] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7317] set_robust_list(0x7f76a8b559e0, 24 [pid 7315] setpgid(0, 0 [pid 5011] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7318 attached [pid 7317] <... set_robust_list resumed>) = 0 [pid 7318] set_robust_list(0x7f76b0b769e0, 24 [pid 7317] mkdir(".", 0777 [pid 7318] <... set_robust_list resumed>) = 0 [pid 7317] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7315] <... setpgid resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7318] memfd_create("syzkaller", 0 [pid 7317] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7318] <... memfd_create resumed>) = 3 [pid 7315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] lstat("./107/file0", [ 230.754510][ T7306] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7315] <... openat resumed>) = 3 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [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 7315] write(3, "1000", 4 [pid 5011] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7306] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7315] <... write resumed>) = 4 [pid 7306] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7315] close(3 [pid 5011] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7315] <... close resumed>) = 0 [pid 7306] <... futex resumed>) = 0 [pid 5011] <... openat resumed>) = 4 [pid 7315] symlink("/dev/binderfs", "./binderfs" [pid 5011] fstat(4, [pid 7315] <... symlink resumed>) = 0 [pid 7306] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7315] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(4, [pid 7315] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] getdents64(4, [pid 7315] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7315] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] close(4 [pid 7315] <... mprotect resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 7315] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] rmdir("./107/file0") = 0 [pid 7315] <... clone resumed>, parent_tid=[7319], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7319 [pid 5011] getdents64(3, [pid 7315] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7315] <... futex resumed>) = 0 [pid 5011] close(3 [pid 7315] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... close resumed>) = 0 [pid 5011] rmdir("./107") = 0 [pid 5011] mkdir("./108", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 ./strace-static-x86_64: Process 7319 attached [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7319] set_robust_list(0x7f76b0b769e0, 24 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7319] <... set_robust_list resumed>) = 0 [pid 5011] close(3 [pid 7319] memfd_create("syzkaller", 0 [pid 5011] <... close resumed>) = 0 [pid 7319] <... memfd_create resumed>) = 3 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7320 [pid 7317] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7320 attached [ 230.799276][ T7306] overlayfs: failed to resolve './file0': -2 [ 230.816021][ T7317] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7317] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7304] <... futex resumed>) = 0 [pid 7320] set_robust_list(0x555556dec5e0, 24 [pid 7317] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7304] exit_group(0 [pid 7320] <... set_robust_list resumed>) = 0 [pid 7317] <... futex resumed>) = ? [pid 7306] <... futex resumed>) = ? [pid 7304] <... exit_group resumed>) = ? [pid 7317] +++ exited with 0 +++ [pid 7306] +++ exited with 0 +++ [pid 7304] +++ exited with 0 +++ [pid 7320] chdir("./108" [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7304, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...> [pid 7320] <... chdir resumed>) = 0 [pid 5012] <... restart_syscall resumed>) = 0 [pid 7320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5012] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7320] setpgid(0, 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7320] <... setpgid resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... openat resumed>) = 3 [pid 7320] <... openat resumed>) = 3 [pid 5012] fstat(3, [pid 7320] write(3, "1000", 4 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7320] <... write resumed>) = 4 [pid 5012] getdents64(3, [pid 7320] close(3 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7320] <... close resumed>) = 0 [pid 5012] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7320] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./107/binderfs", [pid 7320] <... symlink resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7320] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] unlink("./107/binderfs" [pid 7320] <... futex resumed>) = 0 [pid 5012] <... unlink resumed>) = 0 [pid 7320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7320] <... mmap resumed>) = 0x7f76b0b56000 [pid 7320] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7320] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7318] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7320] <... clone resumed>, parent_tid=[7321], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7321 [pid 7320] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7320] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7321 attached [pid 7321] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7321] memfd_create("syzkaller", 0) = 3 [pid 7321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7316] <... write resumed>) = 4194304 [pid 7316] munmap(0x7f76a8756000, 4194304) = 0 [pid 7316] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7319] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7316] close(3) = 0 [pid 7316] mkdir("./file0", 0777) = 0 [ 230.979535][ T7316] loop2: detected capacity change from 0 to 8192 [pid 7316] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7321] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7318] <... write resumed>) = 4194304 [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./107/file0", [pid 7318] munmap(0x7f76a8756000, 4194304 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7318] <... munmap resumed>) = 0 [pid 5012] getdents64(4, [pid 7318] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, [pid 7318] <... openat resumed>) = 4 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7318] ioctl(4, LOOP_SET_FD, 3 [ 231.026610][ T7316] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.043674][ T7316] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5012] close(4) = 0 [pid 5012] rmdir("./107/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./107") = 0 [pid 5012] mkdir("./108", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7323 ./strace-static-x86_64: Process 7323 attached [pid 7323] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7323] chdir("./108") = 0 [pid 7323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7323] setpgid(0, 0 [pid 7318] <... ioctl resumed>) = 0 [pid 7323] <... setpgid resumed>) = 0 [pid 7319] <... write resumed>) = 4194304 [pid 7318] close(3 [pid 7323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7318] <... close resumed>) = 0 [pid 7323] <... openat resumed>) = 3 [pid 7318] mkdir("./file0", 0777 [pid 7323] write(3, "1000", 4 [pid 7318] <... mkdir resumed>) = 0 [pid 7323] <... write resumed>) = 4 [ 231.073596][ T7318] loop0: detected capacity change from 0 to 8192 [ 231.085383][ T7316] REISERFS (device loop2): using ordered data mode [ 231.091956][ T7316] reiserfs: using flush barriers [pid 7318] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7323] close(3) = 0 [pid 7323] symlink("/dev/binderfs", "./binderfs" [pid 7319] munmap(0x7f76a8756000, 4194304 [pid 7323] <... symlink resumed>) = 0 [pid 7323] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7319] <... munmap resumed>) = 0 [pid 7319] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7319] ioctl(4, LOOP_SET_FD, 3 [pid 7323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7319] <... ioctl resumed>) = 0 [pid 7319] close(3) = 0 [pid 7319] mkdir("./file0", 0777 [pid 7323] <... mmap resumed>) = 0x7f76b0b56000 [ 231.114253][ T7316] 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 [ 231.136369][ T7316] REISERFS (device loop2): checking transaction log (loop2) [ 231.136593][ T7318] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.145316][ T7319] loop1: detected capacity change from 0 to 8192 [ 231.165984][ T7318] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7323] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7319] <... mkdir resumed>) = 0 [pid 7321] <... write resumed>) = 4194304 [pid 7323] <... mprotect resumed>) = 0 [pid 7321] munmap(0x7f76a8756000, 4194304 [pid 7319] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7323] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7321] <... munmap resumed>) = 0 [pid 7321] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7323] <... clone resumed>, parent_tid=[7325], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7325 [pid 7321] <... openat resumed>) = 4 [pid 7323] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] ioctl(4, LOOP_SET_FD, 3 [pid 7323] <... futex resumed>) = 0 [pid 7323] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7325 attached [pid 7325] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7325] memfd_create("syzkaller", 0) = 3 [pid 7325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7316] <... mount resumed>) = 0 [pid 7316] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7316] chdir("./file0") = 0 [pid 7316] ioctl(4, LOOP_CLR_FD) = 0 [ 231.175699][ T7316] REISERFS (device loop2): Using r5 hash to sort names [ 231.182873][ T7316] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 231.196485][ T7316] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 231.197110][ T7321] loop3: detected capacity change from 0 to 8192 [ 231.213930][ T7318] REISERFS (device loop0): using ordered data mode [pid 7316] close(4) = 0 [pid 7316] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... futex resumed>) = 0 [pid 7313] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7313] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7316] <... futex resumed>) = 1 [pid 7316] mkdir("./file1", 000) = 0 [pid 7316] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... futex resumed>) = 0 [pid 7313] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7313] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7316] <... futex resumed>) = 1 [pid 7316] mkdir("./bus", 000) = 0 [pid 7316] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... futex resumed>) = 0 [pid 7313] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7313] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7316] <... futex resumed>) = 1 [pid 7316] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7321] <... ioctl resumed>) = 0 [pid 7321] close(3) = 0 [pid 7321] mkdir("./file0", 0777) = 0 [ 231.224921][ T7319] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.242749][ T7316] overlayfs: upper fs needs to support d_type. [ 231.251765][ T7316] overlayfs: upper fs does not support tmpfile. [ 231.260793][ T7318] reiserfs: using flush barriers [ 231.262468][ T7316] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7321] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7313] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7313] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7313] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7328], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7328 [pid 7313] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7313] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7328 attached [ 231.272487][ T7319] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 231.274385][ T7321] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.296572][ T7318] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 231.299105][ T7316] overlayfs: failed to resolve './file0': -2 [ 231.313414][ T7319] REISERFS (device loop1): using ordered data mode [pid 7328] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7328] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7328] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7325] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 231.320182][ T7321] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 231.338761][ T7321] REISERFS (device loop3): using ordered data mode [ 231.347832][ T7319] reiserfs: using flush barriers [ 231.358252][ T7321] reiserfs: using flush barriers [ 231.360934][ T7328] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 231.367807][ T7318] REISERFS (device loop0): checking transaction log (loop0) [ 231.377183][ T7319] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 231.384248][ T7321] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 231.406429][ T7318] REISERFS (device loop0): Using r5 hash to sort names [pid 7316] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7328] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7328] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... futex resumed>) = 0 [pid 7313] exit_group(0 [pid 7316] <... futex resumed>) = ? [pid 7313] <... exit_group resumed>) = ? [pid 7316] +++ exited with 0 +++ [pid 7328] <... futex resumed>) = ? [pid 7328] +++ exited with 0 +++ [pid 7313] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7313, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [ 231.417144][ T7321] REISERFS (device loop3): checking transaction log (loop3) [ 231.431953][ T7318] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 231.439947][ T7319] REISERFS (device loop1): checking transaction log (loop1) [ 231.457812][ T7321] REISERFS (device loop3): Using r5 hash to sort names [ 231.464994][ T7321] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 7325] <... write resumed>) = 4194304 [pid 7318] <... mount resumed>) = 0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5010] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7325] munmap(0x7f76a8756000, 4194304 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7325] <... munmap resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7325] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7325] <... openat resumed>) = 4 [pid 5010] lstat("./107/binderfs", [pid 7325] ioctl(4, LOOP_SET_FD, 3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7321] <... mount resumed>) = 0 [pid 5010] unlink("./107/binderfs") = 0 [ 231.475433][ T7318] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 231.478841][ T7321] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 231.496903][ T7319] REISERFS (device loop1): Using r5 hash to sort names [ 231.504084][ T7319] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 231.509951][ T7325] loop4: detected capacity change from 0 to 8192 [pid 5010] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7318] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7318] chdir("./file0") = 0 [pid 7325] <... ioctl resumed>) = 0 [pid 7321] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7319] <... mount resumed>) = 0 [pid 7325] close(3 [pid 7321] <... openat resumed>) = 3 [pid 7319] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7325] <... close resumed>) = 0 [pid 7321] chdir("./file0" [pid 7319] <... openat resumed>) = 3 [pid 7325] mkdir("./file0", 0777 [pid 7321] <... chdir resumed>) = 0 [pid 7319] chdir("./file0" [pid 7325] <... mkdir resumed>) = 0 [pid 7321] ioctl(4, LOOP_CLR_FD [pid 7319] <... chdir resumed>) = 0 [pid 7325] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7321] <... ioctl resumed>) = 0 [pid 7319] ioctl(4, LOOP_CLR_FD [pid 7321] close(4 [pid 7319] <... ioctl resumed>) = 0 [pid 7321] <... close resumed>) = 0 [pid 7319] close(4 [pid 7318] ioctl(4, LOOP_CLR_FD [pid 7321] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... ioctl resumed>) = 0 [pid 7318] close(4 [pid 7321] <... futex resumed>) = 1 [pid 7320] <... futex resumed>) = 0 [pid 7319] <... close resumed>) = 0 [ 231.517821][ T7319] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 231.546042][ T7325] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.562841][ T7325] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7318] <... close resumed>) = 0 [pid 7321] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7320] <... futex resumed>) = 0 [pid 7319] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] mkdir("./file1", 000 [pid 7320] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7319] <... futex resumed>) = 1 [pid 7318] <... futex resumed>) = 1 [pid 7315] <... futex resumed>) = 0 [pid 7314] <... futex resumed>) = 0 [pid 7321] <... mkdir resumed>) = 0 [pid 7319] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7318] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7315] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] <... futex resumed>) = 0 [pid 7321] <... futex resumed>) = 1 [pid 7320] <... futex resumed>) = 0 [pid 7319] mkdir("./file1", 000 [pid 7318] mkdir("./file1", 000 [pid 7315] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7314] <... futex resumed>) = 0 [pid 7321] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... mkdir resumed>) = 0 [pid 7321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7320] <... futex resumed>) = 0 [pid 7319] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] mkdir("./bus", 000 [pid 7320] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7319] <... futex resumed>) = 1 [pid 7318] <... mkdir resumed>) = 0 [pid 7315] <... futex resumed>) = 0 [ 231.592010][ T7325] REISERFS (device loop4): using ordered data mode [ 231.598892][ T7325] reiserfs: using flush barriers [pid 7314] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7321] <... mkdir resumed>) = 0 [pid 7319] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7318] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7321] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7318] <... futex resumed>) = 0 [pid 7315] <... futex resumed>) = 0 [pid 7314] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = 0 [pid 7321] <... futex resumed>) = 1 [pid 7320] <... futex resumed>) = 0 [pid 7319] mkdir("./bus", 000 [pid 7318] mkdir("./bus", 000 [pid 7315] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7314] <... futex resumed>) = 0 [pid 5010] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7321] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... mkdir resumed>) = 0 [pid 7318] <... mkdir resumed>) = 0 [pid 7314] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7320] <... futex resumed>) = 0 [pid 7319] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 231.637557][ T7325] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 231.659840][ T7325] REISERFS (device loop4): checking transaction log (loop4) [ 231.675287][ T7325] REISERFS (device loop4): Using r5 hash to sort names [pid 7318] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7321] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7320] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7319] <... futex resumed>) = 1 [pid 7318] <... futex resumed>) = 0 [pid 7315] <... futex resumed>) = 0 [pid 7314] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7318] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7315] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... futex resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7325] <... mount resumed>) = 0 [pid 7319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] <... futex resumed>) = 0 [pid 7314] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 231.683518][ T7321] overlayfs: upper fs needs to support d_type. [ 231.683535][ T7325] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 231.693984][ T7318] overlayfs: upper fs needs to support d_type. [ 231.706504][ T7325] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 231.723969][ T7321] overlayfs: upper fs does not support tmpfile. [pid 5010] lstat("./107/file0", [pid 7325] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7319] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7315] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7325] <... openat resumed>) = 3 [pid 7320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7320] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7320] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7325] chdir("./file0" [pid 7320] <... mprotect resumed>) = 0 [pid 5010] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7325] <... chdir resumed>) = 0 [pid 7320] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7330], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7330 [pid 7320] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7320] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7325] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 7330 attached [pid 5010] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7325] <... ioctl resumed>) = 0 [ 231.735062][ T7319] overlayfs: upper fs needs to support d_type. [ 231.735660][ T7318] overlayfs: upper fs does not support tmpfile. [ 231.749004][ T7318] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 231.749430][ T7319] overlayfs: upper fs does not support tmpfile. [ 231.758359][ T7318] overlayfs: failed to resolve './file0': -2 [ 231.773426][ T7321] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7330] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7325] close(4 [pid 7318] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] <... openat resumed>) = 4 [pid 7330] mkdir(".", 0777 [pid 7325] <... close resumed>) = 0 [pid 7318] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7314] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7315] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] <... futex resumed>) = 0 [pid 7314] <... futex resumed>) = 0 [pid 7315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7314] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7330] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7325] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... futex resumed>) = 0 [pid 7315] <... mmap resumed>) = 0x7f76a8b35000 [pid 5010] fstat(4, [pid 7315] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7330] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7325] <... futex resumed>) = 1 [pid 7323] <... futex resumed>) = 0 [pid 7318] mkdir(".", 0777 [pid 7315] <... mprotect resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7325] mkdir("./file1", 000 [pid 7323] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7315] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] getdents64(4, [pid 7323] <... futex resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7325] <... mkdir resumed>) = 0 [pid 7323] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7318] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7315] <... clone resumed>, parent_tid=[7331], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7331 [pid 5010] getdents64(4, [pid 7325] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] <... futex resumed>) = 0 [pid 7315] <... futex resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7325] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7323] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] close(4./strace-static-x86_64: Process 7331 attached [pid 7325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7323] <... futex resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 7325] mkdir("./bus", 000 [pid 7323] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] rmdir("./107/file0" [pid 7331] set_robust_list(0x7f76a8b559e0, 24 [pid 7325] <... mkdir resumed>) = 0 [pid 7331] <... set_robust_list resumed>) = 0 [pid 7331] mkdir(".", 0777 [pid 7325] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... rmdir resumed>) = 0 [pid 7331] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7325] <... futex resumed>) = 1 [pid 7323] <... futex resumed>) = 0 [pid 5010] getdents64(3, [ 231.781806][ T7319] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 231.790882][ T7319] overlayfs: failed to resolve './file0': -2 [ 231.826581][ T7321] overlayfs: failed to resolve './file0': -2 [pid 7331] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7325] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7323] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7331] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7331] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] <... futex resumed>) = 0 [pid 7331] <... futex resumed>) = 1 [pid 7331] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7330] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7330] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] <... futex resumed>) = 0 [pid 7330] <... futex resumed>) = 1 [pid 7330] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7323] <... futex resumed>) = 0 [pid 5010] close(3) = 0 [ 231.827132][ T7330] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 231.843319][ T7331] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 231.856130][ T7318] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 231.876568][ T7325] overlayfs: upper fs needs to support d_type. [pid 7323] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] rmdir("./107") = 0 [pid 7318] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] mkdir("./108", 0777 [pid 7318] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... mkdir resumed>) = 0 [pid 7318] <... futex resumed>) = 1 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7318] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7314] <... futex resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 7314] exit_group(0 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 7318] <... futex resumed>) = ? [pid 7314] <... exit_group resumed>) = ? [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7318] +++ exited with 0 +++ [pid 5010] close(3 [pid 7325] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7314] +++ exited with 0 +++ [pid 5010] <... close resumed>) = 0 [pid 7325] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7323] <... futex resumed>) = 0 [pid 7325] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7323] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7323] <... futex resumed>) = 0 [pid 7325] mkdir(".", 0777 [pid 7323] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7325] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7325] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7321] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7319] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7321] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] exit_group(0 [pid 7319] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7314, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7330] <... futex resumed>) = ? [pid 7321] <... futex resumed>) = ? [pid 7320] <... exit_group resumed>) = ? [ 231.883049][ T7325] overlayfs: upper fs does not support tmpfile. [ 231.891049][ T7325] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 231.903082][ T7325] overlayfs: failed to resolve './file0': -2 [ 231.924546][ T7325] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7319] <... futex resumed>) = 0 [pid 7315] exit_group(0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7332 [pid 7331] <... futex resumed>) = ? [pid 7330] +++ exited with 0 +++ [pid 7321] +++ exited with 0 +++ [pid 7320] +++ exited with 0 +++ [pid 7315] <... exit_group resumed>) = ? [pid 7331] +++ exited with 0 +++ [pid 7319] +++ exited with 0 +++ [pid 7315] +++ exited with 0 +++ [pid 5008] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7332 attached [pid 7325] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7320, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7315, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=28 /* 0.28 s */} --- [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7332] set_robust_list(0x555556dec5e0, 24 [pid 7325] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 7332] <... set_robust_list resumed>) = 0 [pid 7325] <... futex resumed>) = 1 [pid 7323] <... futex resumed>) = 0 [pid 5011] <... restart_syscall resumed>) = 0 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7332] chdir("./108" [pid 7325] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7323] exit_group(0 [pid 7332] <... chdir resumed>) = 0 [pid 7325] <... futex resumed>) = ? [pid 7323] <... exit_group resumed>) = ? [pid 5008] <... openat resumed>) = 3 [pid 7332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7325] +++ exited with 0 +++ [pid 5011] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] fstat(3, [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7332] <... prctl resumed>) = 0 [pid 7323] +++ exited with 0 +++ [pid 5011] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(3, [pid 7332] setpgid(0, 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7323, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5011] <... openat resumed>) = 3 [pid 5009] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7332] <... setpgid resumed>) = 0 [pid 5012] restart_syscall(<... resuming interrupted clone ...> [pid 5011] fstat(3, [pid 5009] <... openat resumed>) = 3 [pid 5008] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... restart_syscall resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] fstat(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7332] <... openat resumed>) = 3 [pid 5011] getdents64(3, [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] lstat("./106/binderfs", [pid 7332] write(3, "1000", 4 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] getdents64(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7332] <... write resumed>) = 4 [pid 5012] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] unlink("./106/binderfs" [pid 7332] close(3 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... unlink resumed>) = 0 [pid 7332] <... close resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] lstat("./108/binderfs", [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7332] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... openat resumed>) = 3 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] lstat("./106/binderfs", [pid 7332] <... symlink resumed>) = 0 [pid 7332] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(3, [pid 5011] unlink("./108/binderfs" [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7332] <... futex resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5009] unlink("./106/binderfs" [pid 7332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] getdents64(3, [pid 5011] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7332] <... mmap resumed>) = 0x7f76b0b56000 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] <... unlink resumed>) = 0 [pid 7332] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7332] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7332] <... clone resumed>, parent_tid=[7333], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7333 [pid 5012] lstat("./108/binderfs", [pid 7332] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7332] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] unlink("./108/binderfs") = 0 [pid 5012] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7333 attached [pid 7333] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7333] memfd_create("syzkaller", 0) = 3 [pid 7333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [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 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./106/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... umount2 resumed>) = 0 [pid 5011] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./108/file0", [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] lstat("./108/file0", [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5011] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] rmdir("./106/file0" [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... rmdir resumed>) = 0 [pid 5008] getdents64(3, [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5012] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... openat resumed>) = 4 [pid 5008] <... close resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 5011] fstat(4, [pid 5008] rmdir("./106") = 0 [pid 5012] fstat(4, [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] mkdir("./107", 0777 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, [pid 5008] <... mkdir resumed>) = 0 [pid 5012] getdents64(4, [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, [pid 5008] <... openat resumed>) = 3 [pid 5012] getdents64(4, [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4 [pid 5012] close(4 [pid 5011] <... close resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] <... close resumed>) = 0 [pid 5011] rmdir("./108/file0" [pid 5008] close(3 [pid 5012] rmdir("./108/file0" [pid 5011] <... rmdir resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5011] getdents64(3, [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] getdents64(3, [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... close resumed>) = 0 [pid 5012] close(3 [pid 5011] rmdir("./108" [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7334 [pid 5012] <... close resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5012] rmdir("./108" [pid 5011] mkdir("./109", 0777 [pid 5012] <... rmdir resumed>) = 0 [pid 5012] mkdir("./109", 0777 [pid 5011] <... mkdir resumed>) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5012] <... openat resumed>) = 3 [pid 5011] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] close(3 [pid 5011] close(3./strace-static-x86_64: Process 7334 attached [pid 7333] <... write resumed>) = 4194304 [pid 5012] <... close resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 7334] set_robust_list(0x555556dec5e0, 24 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7333] munmap(0x7f76a8756000, 4194304 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7335 [pid 7334] <... set_robust_list resumed>) = 0 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7336 [pid 7334] chdir("./107"./strace-static-x86_64: Process 7335 attached [pid 7335] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7335] chdir("./109" [pid 7334] <... chdir resumed>) = 0 [pid 7334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7335] <... chdir resumed>) = 0 [pid 7335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7334] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 7336 attached [pid 7335] <... prctl resumed>) = 0 [pid 7334] setpgid(0, 0 [pid 7333] <... munmap resumed>) = 0 [pid 7336] set_robust_list(0x555556dec5e0, 24 [pid 7335] setpgid(0, 0 [pid 7334] <... setpgid resumed>) = 0 [pid 7333] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7336] <... set_robust_list resumed>) = 0 [pid 7335] <... setpgid resumed>) = 0 [pid 7334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7336] chdir("./109" [pid 7333] <... openat resumed>) = 4 [pid 7336] <... chdir resumed>) = 0 [pid 7335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7334] <... openat resumed>) = 3 [pid 7333] ioctl(4, LOOP_SET_FD, 3 [pid 5009] <... umount2 resumed>) = 0 [pid 7336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7335] <... openat resumed>) = 3 [pid 7334] write(3, "1000", 4 [pid 7335] write(3, "1000", 4) = 4 [pid 7335] close(3) = 0 [pid 7335] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7335] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5009] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7336] <... prctl resumed>) = 0 [pid 7335] <... mmap resumed>) = 0x7f76b0b56000 [pid 7334] <... write resumed>) = 4 [pid 7333] <... ioctl resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7336] setpgid(0, 0 [pid 7335] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7334] close(3 [pid 7333] close(3 [pid 7336] <... setpgid resumed>) = 0 [pid 7335] <... mprotect resumed>) = 0 [pid 7334] <... close resumed>) = 0 [pid 7333] <... close resumed>) = 0 [pid 5009] lstat("./106/file0", [pid 7336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7335] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7334] symlink("/dev/binderfs", "./binderfs" [pid 7333] mkdir("./file0", 0777 [pid 7336] <... openat resumed>) = 3 [pid 7334] <... symlink resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7336] write(3, "1000", 4 [pid 7335] <... clone resumed>, parent_tid=[7337], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7337 [pid 7334] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... mkdir resumed>) = 0 [pid 5009] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7336] <... write resumed>) = 4 [pid 7335] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = 0 [pid 7333] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7337 attached [pid 7336] close(3 [pid 7335] <... futex resumed>) = 0 [pid 7334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7337] set_robust_list(0x7f76b0b769e0, 24 [pid 7336] <... close resumed>) = 0 [pid 7335] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7334] <... mmap resumed>) = 0x7f76b0b56000 [pid 5009] <... openat resumed>) = 4 [pid 7337] <... set_robust_list resumed>) = 0 [pid 7336] symlink("/dev/binderfs", "./binderfs" [pid 7334] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] fstat(4, [pid 7337] memfd_create("syzkaller", 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7337] <... memfd_create resumed>) = 3 [pid 5009] getdents64(4, [pid 7337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7337] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] getdents64(4, [pid 7336] <... symlink resumed>) = 0 [pid 7334] <... mprotect resumed>) = 0 [pid 7336] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] clone(child_stack=0x7f76b0b763f0, 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 7339 attached [pid 7336] <... futex resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7334] <... clone resumed>, parent_tid=[7339], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7339 [pid 7336] <... mmap resumed>) = 0x7f76b0b56000 [pid 7334] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7334] <... futex resumed>) = 0 [pid 7339] set_robust_list(0x7f76b0b769e0, 24 [pid 7336] <... mprotect resumed>) = 0 [pid 7334] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] close(4 [pid 7339] <... set_robust_list resumed>) = 0 [pid 7336] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] <... close resumed>) = 0 [pid 7339] memfd_create("syzkaller", 0 [pid 7336] <... clone resumed>, parent_tid=[7340], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7340 [pid 5009] rmdir("./106/file0" [pid 7339] <... memfd_create resumed>) = 3 [pid 7336] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7336] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] <... rmdir resumed>) = 0 [ 232.225981][ T7333] loop2: detected capacity change from 0 to 8192 [ 232.260120][ T7333] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 ./strace-static-x86_64: Process 7340 attached [pid 7339] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] getdents64(3, [pid 7340] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7340] <... set_robust_list resumed>) = 0 [pid 5009] close(3 [pid 7340] memfd_create("syzkaller", 0 [pid 5009] <... close resumed>) = 0 [pid 5009] rmdir("./106" [pid 7340] <... memfd_create resumed>) = 3 [pid 5009] <... rmdir resumed>) = 0 [pid 7340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] mkdir("./107", 0777 [pid 7340] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] <... mkdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3 [pid 7337] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... close resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7341 ./strace-static-x86_64: Process 7341 attached [pid 7341] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7341] chdir("./107") = 0 [pid 7341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7341] setpgid(0, 0) = 0 [pid 7341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7341] write(3, "1000", 4) = 4 [ 232.280598][ T7333] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 232.292056][ T7333] REISERFS (device loop2): using ordered data mode [ 232.300407][ T7333] reiserfs: using flush barriers [ 232.310516][ T7333] 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 7341] close(3) = 0 [pid 7341] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7341] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7341] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 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 7341] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7342], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7342 [pid 7341] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7341] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7342 attached [pid 7342] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7342] memfd_create("syzkaller", 0) = 3 [pid 7339] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 232.392325][ T7333] REISERFS (device loop2): checking transaction log (loop2) [pid 7340] <... write resumed>) = 4194304 [pid 7340] munmap(0x7f76a8756000, 4194304) = 0 [ 232.435870][ T7333] REISERFS (device loop2): Using r5 hash to sort names [ 232.445657][ T7333] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7340] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7340] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7340] close(3) = 0 [pid 7340] mkdir("./file0", 0777) = 0 [pid 7340] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7342] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7333] <... mount resumed>) = 0 [pid 7333] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7333] chdir("./file0") = 0 [pid 7333] ioctl(4, LOOP_CLR_FD) = 0 [pid 7333] close(4) = 0 [pid 7333] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7333] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7332] <... futex resumed>) = 0 [ 232.497246][ T7340] loop3: detected capacity change from 0 to 8192 [ 232.503818][ T7333] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7332] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... futex resumed>) = 0 [pid 7332] <... futex resumed>) = 1 [pid 7337] <... write resumed>) = 4194304 [pid 7333] mkdir("./file1", 000 [pid 7332] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7333] <... mkdir resumed>) = 0 [pid 7333] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7332] <... futex resumed>) = 0 [pid 7333] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7332] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7332] <... futex resumed>) = 0 [pid 7333] mkdir("./bus", 000 [pid 7332] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7337] munmap(0x7f76a8756000, 4194304 [pid 7333] <... mkdir resumed>) = 0 [pid 7337] <... munmap resumed>) = 0 [pid 7333] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7332] <... futex resumed>) = 0 [pid 7333] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7332] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7332] <... futex resumed>) = 0 [pid 7333] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7332] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7337] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 232.536025][ T7340] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.562009][ T7333] overlayfs: upper fs needs to support d_type. [ 232.568351][ T7333] overlayfs: upper fs does not support tmpfile. [ 232.575393][ T7333] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 232.584012][ T7333] overlayfs: failed to resolve './file0': -2 [ 232.589227][ T7337] loop4: detected capacity change from 0 to 8192 [pid 7337] ioctl(4, LOOP_SET_FD, 3 [pid 7339] <... write resumed>) = 4194304 [pid 7339] munmap(0x7f76a8756000, 4194304) = 0 [pid 7337] <... ioctl resumed>) = 0 [pid 7339] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7333] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7339] <... openat resumed>) = 4 [pid 7337] close(3 [pid 7333] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7339] ioctl(4, LOOP_SET_FD, 3 [pid 7333] <... futex resumed>) = 0 [pid 7337] <... close resumed>) = 0 [pid 7332] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] mkdir("./file0", 0777 [pid 7332] <... futex resumed>) = 0 [pid 7337] <... mkdir resumed>) = 0 [pid 7332] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7337] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7339] <... ioctl resumed>) = 0 [pid 7333] mkdir(".", 0777 [pid 7339] close(3 [pid 7333] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7339] <... close resumed>) = 0 [pid 7333] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 232.598735][ T7340] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 232.617735][ T7340] REISERFS (device loop3): using ordered data mode [ 232.627324][ T7339] loop0: detected capacity change from 0 to 8192 [ 232.633602][ T7340] reiserfs: using flush barriers [pid 7339] mkdir("./file0", 0777 [pid 7342] <... write resumed>) = 4194304 [pid 7339] <... mkdir resumed>) = 0 [pid 7342] munmap(0x7f76a8756000, 4194304 [pid 7339] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7342] <... munmap resumed>) = 0 [pid 7342] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 232.643832][ T7337] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.657768][ T7337] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 232.667135][ T7337] REISERFS (device loop4): using ordered data mode [ 232.673815][ T7340] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 232.675543][ T7342] loop1: detected capacity change from 0 to 8192 [pid 7342] ioctl(4, LOOP_SET_FD, 3 [pid 7333] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7333] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7333] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7332] <... futex resumed>) = 0 [ 232.692272][ T7333] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 232.710752][ T7339] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.711145][ T7337] reiserfs: using flush barriers [ 232.723930][ T7339] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 232.738894][ T7340] REISERFS (device loop3): checking transaction log (loop3) [pid 7332] exit_group(0) = ? [pid 7342] <... ioctl resumed>) = 0 [pid 7342] close(3) = 0 [pid 7342] mkdir("./file0", 0777 [pid 7333] <... futex resumed>) = ? [pid 7342] <... mkdir resumed>) = 0 [pid 7342] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7333] +++ exited with 0 +++ [pid 7332] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7332, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5010] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5010] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 232.748168][ T7340] REISERFS (device loop3): Using r5 hash to sort names [ 232.755547][ T7340] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.766039][ T7342] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.769522][ T7339] REISERFS (device loop0): using ordered data mode [ 232.788739][ T7339] reiserfs: using flush barriers [pid 5010] lstat("./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./108/binderfs") = 0 [pid 5010] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7340] <... mount resumed>) = 0 [ 232.793908][ T7337] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 232.805663][ T7340] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 232.811680][ T7342] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 232.820574][ T7337] REISERFS (device loop4): checking transaction log (loop4) [pid 7340] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7340] chdir("./file0") = 0 [pid 7340] ioctl(4, LOOP_CLR_FD) = 0 [pid 7340] close(4) = 0 [ 232.831945][ T7339] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 232.836932][ T7342] REISERFS (device loop1): using ordered data mode [ 232.860076][ T7342] reiserfs: using flush barriers [ 232.865140][ T7337] REISERFS (device loop4): Using r5 hash to sort names [ 232.876598][ T7342] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 232.883379][ T7339] REISERFS (device loop0): checking transaction log (loop0) [pid 7340] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7336] <... futex resumed>) = 0 [pid 7340] mkdir("./file1", 000 [pid 7336] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7336] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] <... mkdir resumed>) = 0 [pid 7340] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7336] <... futex resumed>) = 0 [pid 7336] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7336] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] mkdir("./bus", 000) = 0 [pid 7340] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7336] <... futex resumed>) = 0 [pid 7340] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7336] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 232.901966][ T7337] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.926355][ T7340] overlayfs: upper fs needs to support d_type. [ 232.932618][ T7340] overlayfs: upper fs does not support tmpfile. [ 232.943604][ T7339] REISERFS (device loop0): Using r5 hash to sort names [pid 7336] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7336] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7336] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [ 232.961165][ T7340] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 232.972166][ T7342] REISERFS (device loop1): checking transaction log (loop1) [ 232.981446][ T7339] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.985536][ T7337] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7336] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... umount2 resumed>) = 0 [pid 7336] <... clone resumed>, parent_tid=[7347], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7347 [pid 7336] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7336] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7347 attached [pid 7347] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7347] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7347] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./108/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [ 233.009415][ T7340] overlayfs: failed to resolve './file0': -2 [ 233.026882][ T7342] REISERFS (device loop1): Using r5 hash to sort names [ 233.034152][ T7342] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 233.035934][ T7347] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7340] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7337] <... mount resumed>) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./108/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./108") = 0 [pid 5010] mkdir("./109", 0777) = 0 [pid 7340] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7340] <... futex resumed>) = 0 [pid 7337] <... openat resumed>) = 3 [pid 5010] <... openat resumed>) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 7340] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] chdir("./file0" [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7337] <... chdir resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7348 [pid 7339] <... mount resumed>) = 0 [pid 7339] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7339] chdir("./file0") = 0 [pid 7339] ioctl(4, LOOP_CLR_FD [pid 7337] ioctl(4, LOOP_CLR_FD) = 0 [pid 7339] <... ioctl resumed>) = 0 [pid 7339] close(4) = 0 [pid 7337] close(4) = 0 [pid 7337] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = 0 [pid 7337] <... futex resumed>) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7334] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] mkdir("./file1", 000 [pid 7335] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = 0 [pid 7337] <... mkdir resumed>) = 0 [pid 7335] <... futex resumed>) = 0 [pid 7334] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] <... futex resumed>) = 1 [pid 7337] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] mkdir("./file1", 000 [pid 7337] <... futex resumed>) = 0 [pid 7335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7339] <... mkdir resumed>) = 0 [pid 7337] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7335] <... futex resumed>) = 0 [pid 7339] <... futex resumed>) = 1 [pid 7337] mkdir("./bus", 000 [pid 7335] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7334] <... futex resumed>) = 0 [pid 7339] mkdir("./bus", 000 [pid 7334] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] <... mkdir resumed>) = 0 [pid 7339] <... mkdir resumed>) = 0 [pid 7337] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = 0 [pid 7339] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] <... futex resumed>) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7334] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] <... futex resumed>) = 0 [pid 7337] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7339] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7335] <... futex resumed>) = 0 [ 233.048570][ T7342] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 233.073311][ T7339] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7334] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7337] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7335] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7334] <... futex resumed>) = 0 [pid 7339] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7334] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7347] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7347] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] <... futex resumed>) = 0 [pid 7336] exit_group(0) = ? [pid 7347] <... futex resumed>) = ? [pid 7347] +++ exited with 0 +++ [pid 7342] <... mount resumed>) = 0 ./strace-static-x86_64: Process 7348 attached [pid 7340] <... futex resumed>) = ? [pid 7342] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7342] chdir("./file0") = 0 [pid 7342] ioctl(4, LOOP_CLR_FD) = 0 [pid 7342] close(4) = 0 [pid 7342] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7342] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7348] set_robust_list(0x555556dec5e0, 24 [pid 7340] +++ exited with 0 +++ [pid 7341] <... futex resumed>) = 0 [pid 7336] +++ exited with 0 +++ [pid 7348] <... set_robust_list resumed>) = 0 [pid 7348] chdir("./109" [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7336, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7348] <... chdir resumed>) = 0 [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 7348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7341] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... restart_syscall resumed>) = 0 [pid 7348] <... prctl resumed>) = 0 [pid 7348] setpgid(0, 0 [pid 7342] <... futex resumed>) = 0 [pid 7341] <... futex resumed>) = 1 [pid 7348] <... setpgid resumed>) = 0 [pid 7342] mkdir("./file1", 000 [pid 7341] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7342] <... mkdir resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7348] <... openat resumed>) = 3 [ 233.107947][ T7337] overlayfs: upper fs needs to support d_type. [ 233.114813][ T7339] overlayfs: upper fs needs to support d_type. [ 233.115831][ T7337] overlayfs: upper fs does not support tmpfile. [ 233.134817][ T7337] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 233.135893][ T7339] overlayfs: upper fs does not support tmpfile. [pid 7342] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7348] write(3, "1000", 4 [pid 7342] <... futex resumed>) = 0 [pid 7334] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] <... openat resumed>) = 3 [pid 7348] <... write resumed>) = 4 [pid 7342] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7334] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] fstat(3, [pid 7348] close(3 [pid 7334] <... futex resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7348] <... close resumed>) = 0 [pid 7334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] getdents64(3, [pid 7348] symlink("/dev/binderfs", "./binderfs" [pid 7334] <... mmap resumed>) = 0x7f76a8b35000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7348] <... symlink resumed>) = 0 [pid 7341] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7334] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5011] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7348] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... futex resumed>) = 1 [pid 7335] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... mprotect resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7342] <... futex resumed>) = 0 [pid 7348] <... futex resumed>) = 0 [pid 7334] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] lstat("./109/binderfs", [pid 7348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7342] mkdir("./bus", 000 [pid 7341] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7335] <... futex resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7348] <... mmap resumed>) = 0x7f76b0b56000 [pid 7342] <... mkdir resumed>) = 0 [pid 7335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7334] <... clone resumed>, parent_tid=[7349], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7349 [pid 5011] unlink("./109/binderfs" [pid 7348] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7342] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] <... mmap resumed>) = 0x7f76a8b35000 [pid 7334] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... unlink resumed>) = 0 [pid 7348] <... mprotect resumed>) = 0 [pid 7342] <... futex resumed>) = 1 [pid 7341] <... futex resumed>) = 0 [pid 7335] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7334] <... futex resumed>) = 0 [ 233.153874][ T7337] overlayfs: failed to resolve './file0': -2 [pid 5011] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7349 attached [pid 7348] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7342] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7341] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7335] <... mprotect resumed>) = 0 [pid 7334] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7349] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7348] <... clone resumed>, parent_tid=[7350], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7350 [pid 7349] mkdir(".", 0777 [pid 7348] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7341] <... futex resumed>) = 0 [pid 7335] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7349] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7348] <... futex resumed>) = 0 [pid 7342] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7341] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7349] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7348] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7351 attached ./strace-static-x86_64: Process 7350 attached [pid 7337] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] set_robust_list(0x7f76a8b559e0, 24 [pid 7350] set_robust_list(0x7f76b0b769e0, 24 [pid 7337] <... futex resumed>) = 0 [pid 7335] <... clone resumed>, parent_tid=[7351], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7351 [pid 7339] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7351] <... set_robust_list resumed>) = 0 [pid 7350] <... set_robust_list resumed>) = 0 [pid 7339] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] mkdir(".", 0777 [pid 7350] memfd_create("syzkaller", 0 [pid 7339] <... futex resumed>) = 0 [pid 7335] <... futex resumed>) = 0 [pid 7341] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7339] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7351] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7350] <... memfd_create resumed>) = 3 [pid 7341] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7351] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 233.184021][ T7342] overlayfs: upper fs needs to support d_type. [ 233.186209][ T7339] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 233.199578][ T7339] overlayfs: failed to resolve './file0': -2 [ 233.204649][ T7349] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 233.225520][ T7342] overlayfs: upper fs does not support tmpfile. [pid 7350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7341] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7341] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7352], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7352 [pid 7341] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7341] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7352 attached [pid 7352] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7352] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7352] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7349] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7349] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = 0 [pid 7334] exit_group(0 [pid 7339] <... futex resumed>) = ? [pid 7334] <... exit_group resumed>) = ? [pid 7339] +++ exited with 0 +++ [pid 7349] <... futex resumed>) = ? [ 233.236083][ T7342] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 233.253521][ T7342] overlayfs: failed to resolve './file0': -2 [ 233.266564][ T7351] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7351] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7351] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7351] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] exit_group(0 [pid 7351] <... futex resumed>) = ? [pid 7337] <... futex resumed>) = ? [pid 7335] <... exit_group resumed>) = ? [pid 7349] +++ exited with 0 +++ [pid 7337] +++ exited with 0 +++ [pid 7334] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7334, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7351] +++ exited with 0 +++ [pid 7335] +++ exited with 0 +++ [pid 7350] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7335, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5012] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [ 233.289733][ T7352] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5012] fstat(3, [pid 5008] fstat(3, [pid 7342] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... 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 7342] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(3, [pid 5008] getdents64(3, [pid 7342] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7342] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./109/binderfs", [pid 5008] lstat("./107/binderfs", [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./109/binderfs" [pid 5008] unlink("./107/binderfs" [pid 5012] <... unlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5012] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7352] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7352] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7341] <... futex resumed>) = 0 [pid 7352] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7341] exit_group(0 [pid 7352] <... futex resumed>) = ? [pid 7342] <... futex resumed>) = ? [pid 7341] <... exit_group resumed>) = ? [pid 7352] +++ exited with 0 +++ [pid 7342] +++ exited with 0 +++ [pid 7341] +++ exited with 0 +++ [pid 5011] <... umount2 resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7341, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5009] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./107/binderfs", [pid 5011] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] unlink("./107/binderfs" [pid 5011] lstat("./109/file0", [pid 5009] <... unlink resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5012] <... umount2 resumed>) = 0 [pid 5011] rmdir("./109/file0" [pid 5012] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... rmdir resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] getdents64(3, [pid 5012] lstat("./109/file0", [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] close(3 [pid 5012] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... close resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] rmdir("./109" [pid 5012] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... rmdir resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 5011] mkdir("./110", 0777 [pid 5012] fstat(4, [pid 5011] <... mkdir resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5012] getdents64(4, [pid 5011] <... openat resumed>) = 3 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] <... close resumed>) = 0 [pid 5011] close(3 [pid 5012] rmdir("./109/file0" [pid 5011] <... close resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./109") = 0 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7353 [pid 5012] mkdir("./110", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 7353 attached [pid 7353] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7353] chdir("./110") = 0 [pid 7353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7353] setpgid(0, 0) = 0 [pid 7353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7353] write(3, "1000", 4) = 4 [pid 7353] close(3) = 0 [pid 7353] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7353] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7353] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7353] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7354], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7354 [pid 7353] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7353] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7354 attached [pid 7354] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7354] memfd_create("syzkaller", 0) = 3 [pid 7354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5012] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7355 ./strace-static-x86_64: Process 7355 attached [pid 7355] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7355] chdir("./110") = 0 [pid 7350] <... write resumed>) = 4194304 [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(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7355] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7355] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7356 [pid 7355] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7355] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7356 attached [pid 7356] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7356] memfd_create("syzkaller", 0) = 3 [pid 7356] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7350] munmap(0x7f76a8756000, 4194304) = 0 [pid 7350] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7350] ioctl(4, LOOP_SET_FD, 3 [pid 5009] <... umount2 resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7350] <... ioctl resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7350] close(3 [pid 5009] lstat("./107/file0", [pid 5008] lstat("./107/file0", [pid 7354] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7350] <... close resumed>) = 0 [pid 7350] mkdir("./file0", 0777) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7350] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... openat resumed>) = 4 [pid 5009] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 5009] fstat(4, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 5009] getdents64(4, [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, [pid 5008] getdents64(4, [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4 [pid 5008] close(4 [pid 5009] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5009] rmdir("./107/file0" [ 233.570437][ T7350] loop2: detected capacity change from 0 to 8192 [pid 5008] rmdir("./107/file0" [pid 5009] <... rmdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] <... rmdir resumed>) = 0 [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 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(3, [pid 5009] close(3 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... close resumed>) = 0 [pid 5008] close(3) = 0 [pid 5009] rmdir("./107" [pid 5008] rmdir("./107" [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5009] mkdir("./108", 0777 [pid 5008] mkdir("./108", 0777 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5009] <... openat resumed>) = 3 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5008] close(3) = 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7358 ./strace-static-x86_64: Process 7358 attached [pid 7358] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7358] chdir("./108") = 0 [pid 7358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7358] setpgid(0, 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7359 [pid 7358] <... setpgid resumed>) = 0 [ 233.631968][ T7350] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.652112][ T7350] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7358] write(3, "1000", 4) = 4 [pid 7358] close(3) = 0 [pid 7358] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7358] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7358] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7358] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7360], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7360 [pid 7358] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7358] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7359 attached [pid 7359] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7359] chdir("./108") = 0 [pid 7359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7359] setpgid(0, 0 [pid 7356] <... write resumed>) = 4194304 [pid 7359] <... setpgid resumed>) = 0 [pid 7356] munmap(0x7f76a8756000, 4194304 [pid 7359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7356] <... munmap resumed>) = 0 [pid 7356] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 233.688527][ T7350] REISERFS (device loop2): using ordered data mode [ 233.695106][ T7350] reiserfs: using flush barriers [pid 7356] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7360 attached [pid 7359] <... openat resumed>) = 3 [pid 7356] <... ioctl resumed>) = 0 [pid 7356] close(3) = 0 [pid 7356] mkdir("./file0", 0777) = 0 [pid 7356] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7359] write(3, "1000", 4 [pid 7360] set_robust_list(0x7f76b0b769e0, 24 [pid 7359] <... write resumed>) = 4 [pid 7359] close(3 [pid 7360] <... set_robust_list resumed>) = 0 [pid 7359] <... close resumed>) = 0 [pid 7360] memfd_create("syzkaller", 0 [pid 7359] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7360] <... memfd_create resumed>) = 3 [pid 7359] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7359] <... futex resumed>) = 0 [pid 7360] <... mmap resumed>) = 0x7f76a8756000 [pid 7359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7359] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [ 233.732396][ T7356] loop4: detected capacity change from 0 to 8192 [ 233.764098][ T7350] 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 7359] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7354] <... write resumed>) = 4194304 [pid 7354] munmap(0x7f76a8756000, 4194304) = 0 [pid 7354] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7354] ioctl(4, LOOP_SET_FD, 3 [pid 7359] <... clone resumed>, parent_tid=[7362], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7362 [pid 7354] <... ioctl resumed>) = 0 [pid 7354] close(3) = 0 [pid 7354] mkdir("./file0", 0777) = 0 [pid 7354] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7359] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7359] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7362 attached [pid 7362] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7362] memfd_create("syzkaller", 0) = 3 [ 233.773697][ T7354] loop3: detected capacity change from 0 to 8192 [ 233.793927][ T7356] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.808797][ T7356] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 233.821616][ T7354] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.824393][ T7356] REISERFS (device loop4): using ordered data mode [ 233.847152][ T7350] REISERFS (device loop2): checking transaction log (loop2) [ 233.856619][ T7354] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 233.868139][ T7356] reiserfs: using flush barriers [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 [ 233.881195][ T7350] REISERFS (device loop2): Using r5 hash to sort names [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 7362] <... write resumed>) = 4194304 [pid 7362] munmap(0x7f76a8756000, 4194304 [pid 7350] <... mount resumed>) = 0 [ 233.906903][ T7354] REISERFS (device loop3): using ordered data mode [ 233.909293][ T7350] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 233.916086][ T7356] 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 [ 233.927077][ T7350] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 233.951884][ T7354] reiserfs: using flush barriers [pid 7362] <... munmap resumed>) = 0 [pid 7350] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7362] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7350] <... openat resumed>) = 3 [pid 7362] <... openat resumed>) = 4 [pid 7350] chdir("./file0" [pid 7362] ioctl(4, LOOP_SET_FD, 3 [pid 7350] <... chdir resumed>) = 0 [pid 7350] ioctl(4, LOOP_CLR_FD) = 0 [ 233.961344][ T7354] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 233.980402][ T7362] loop1: detected capacity change from 0 to 8192 [ 233.988729][ T7356] REISERFS (device loop4): checking transaction log (loop4) [ 233.998076][ T7356] REISERFS (device loop4): Using r5 hash to sort names [pid 7350] close(4 [pid 7362] <... ioctl resumed>) = 0 [pid 7350] <... close resumed>) = 0 [pid 7362] close(3 [pid 7350] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... close resumed>) = 0 [pid 7350] <... futex resumed>) = 1 [pid 7348] <... futex resumed>) = 0 [pid 7356] <... mount resumed>) = 0 [pid 7362] mkdir("./file0", 0777 [pid 7350] mkdir("./file1", 000 [pid 7348] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7348] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] <... mkdir resumed>) = 0 [pid 7350] <... mkdir resumed>) = 0 [pid 7362] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7356] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7350] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7356] <... openat resumed>) = 3 [pid 7350] <... futex resumed>) = 1 [pid 7348] <... futex resumed>) = 0 [pid 7348] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7348] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7356] chdir("./file0" [pid 7350] mkdir("./bus", 000 [pid 7356] <... chdir resumed>) = 0 [pid 7350] <... mkdir resumed>) = 0 [pid 7356] ioctl(4, LOOP_CLR_FD [pid 7350] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7356] <... ioctl resumed>) = 0 [pid 7350] <... futex resumed>) = 1 [pid 7356] close(4 [pid 7350] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7348] <... futex resumed>) = 0 [ 234.005210][ T7356] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 234.018933][ T7356] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 234.030779][ T7354] REISERFS (device loop3): checking transaction log (loop3) [ 234.048109][ T7354] REISERFS (device loop3): Using r5 hash to sort names [pid 7348] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7356] <... close resumed>) = 0 [pid 7356] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7348] <... futex resumed>) = 0 [pid 7348] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7356] <... futex resumed>) = 1 [pid 7355] <... futex resumed>) = 0 [pid 7356] mkdir("./file1", 000 [pid 7355] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] <... write resumed>) = 4194304 [pid 7356] <... mkdir resumed>) = 0 [pid 7355] <... futex resumed>) = 0 [pid 7356] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7356] <... futex resumed>) = 0 [pid 7355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7356] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 234.060034][ T7362] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 234.074795][ T7350] overlayfs: upper fs needs to support d_type. [ 234.084689][ T7354] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 234.097805][ T7354] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7355] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] munmap(0x7f76a8756000, 4194304 [pid 7356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7355] <... futex resumed>) = 0 [pid 7354] <... mount resumed>) = 0 [pid 7348] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7360] <... munmap resumed>) = 0 [pid 7356] mkdir("./bus", 000 [ 234.108155][ T7362] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 234.115358][ T7350] overlayfs: upper fs does not support tmpfile. [ 234.117969][ T7362] REISERFS (device loop1): using ordered data mode [ 234.124184][ T7350] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 234.130515][ T7362] reiserfs: using flush barriers [ 234.143743][ T7362] 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 7355] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7354] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7348] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7356] <... mkdir resumed>) = 0 [pid 7354] <... openat resumed>) = 3 [pid 7348] <... futex resumed>) = 0 [pid 7360] <... openat resumed>) = 4 [pid 7356] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] chdir("./file0" [pid 7348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7360] ioctl(4, LOOP_SET_FD, 3 [pid 7356] <... futex resumed>) = 1 [pid 7355] <... futex resumed>) = 0 [pid 7350] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7354] <... chdir resumed>) = 0 [pid 7350] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7350] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7348] <... mmap resumed>) = 0x7f76a8b35000 [pid 7356] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7355] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] ioctl(4, LOOP_CLR_FD [pid 7348] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7348] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7365], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7365 [pid 7348] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7348] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7356] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7355] <... futex resumed>) = 0 [pid 7355] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7354] <... ioctl resumed>) = 0 [pid 7354] close(4./strace-static-x86_64: Process 7365 attached [pid 7365] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7365] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7365] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] <... ioctl resumed>) = 0 [pid 7360] close(3) = 0 [pid 7360] mkdir("./file0", 0777) = 0 [pid 7360] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7354] <... close resumed>) = 0 [pid 7354] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7353] <... futex resumed>) = 0 [pid 7354] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7353] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7353] <... futex resumed>) = 0 [pid 7354] mkdir("./file1", 000 [ 234.147258][ T7350] overlayfs: failed to resolve './file0': -2 [ 234.166834][ T7362] REISERFS (device loop1): checking transaction log (loop1) [ 234.176644][ T7360] loop0: detected capacity change from 0 to 8192 [ 234.186088][ T7356] overlayfs: upper fs needs to support d_type. [ 234.193857][ T7362] REISERFS (device loop1): Using r5 hash to sort names [pid 7353] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] <... mount resumed>) = 0 [pid 7355] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7354] <... mkdir resumed>) = 0 [pid 7362] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7355] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... openat resumed>) = 3 [pid 7355] <... futex resumed>) = 0 [pid 7354] <... futex resumed>) = 1 [pid 7353] <... futex resumed>) = 0 [pid 7362] chdir("./file0" [pid 7355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7354] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7353] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... chdir resumed>) = 0 [pid 7355] <... mmap resumed>) = 0x7f76a8b35000 [pid 7354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7353] <... futex resumed>) = 0 [pid 7362] ioctl(4, LOOP_CLR_FD [pid 7355] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7354] mkdir("./bus", 000 [pid 7353] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] <... ioctl resumed>) = 0 [pid 7355] <... mprotect resumed>) = 0 [pid 7354] <... mkdir resumed>) = 0 [pid 7362] close(4 [ 234.210845][ T7356] overlayfs: upper fs does not support tmpfile. [ 234.212789][ T7362] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 234.230015][ T7362] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 234.231446][ T7360] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7355] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7354] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... close resumed>) = 0 [pid 7354] <... futex resumed>) = 1 [pid 7353] <... futex resumed>) = 0 [pid 7362] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... clone resumed>, parent_tid=[7367], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7367 [pid 7354] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7353] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = 1 [pid 7355] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7353] <... futex resumed>) = 0 [pid 7362] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7355] <... futex resumed>) = 0 [pid 7354] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7353] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7359] <... futex resumed>) = 0 [pid 7359] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7362] <... futex resumed>) = 0 [pid 7359] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] mkdir("./file1", 000) = 0 [pid 7362] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7359] <... futex resumed>) = 0 [pid 7362] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] <... futex resumed>) = 0 [pid 7362] mkdir("./bus", 000 [pid 7359] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] <... mkdir resumed>) = 0 [pid 7362] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7359] <... futex resumed>) = 0 [pid 7362] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] <... futex resumed>) = 0 [ 234.266314][ T7365] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 234.281583][ T7354] overlayfs: upper fs needs to support d_type. [ 234.287980][ T7354] overlayfs: upper fs does not support tmpfile. [ 234.294883][ T7354] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 234.304422][ T7354] overlayfs: failed to resolve './file0': -2 [pid 7362] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7359] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7353] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7353] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7367 attached ) = 0 [pid 7367] set_robust_list(0x7f76a8b559e0, 24 [pid 7353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7367] <... set_robust_list resumed>) = 0 [pid 7367] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7367] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7354] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7353] <... mmap resumed>) = 0x7f76a8b35000 [ 234.319845][ T7362] overlayfs: upper fs needs to support d_type. [ 234.332154][ T7356] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 234.333179][ T7362] overlayfs: upper fs does not support tmpfile. [ 234.342412][ T7360] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 234.355650][ T7360] REISERFS (device loop0): using ordered data mode [pid 7354] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7359] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7359] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7354] <... futex resumed>) = 0 [pid 7353] <... mprotect resumed>) = 0 [pid 7359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7354] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7353] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7359] <... mmap resumed>) = 0x7f76a8b35000 [pid 7359] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7359] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7368 [pid 7359] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7359] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7365] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7369 attached ./strace-static-x86_64: Process 7368 attached [pid 7365] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7365] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7369] set_robust_list(0x7f76a8b559e0, 24 [pid 7368] set_robust_list(0x7f76a8b559e0, 24 [pid 7353] <... clone resumed>, parent_tid=[7369], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7369 [pid 7348] <... futex resumed>) = 0 [ 234.360373][ T7367] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 234.362401][ T7360] reiserfs: using flush barriers [ 234.382640][ T7360] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 234.400664][ T7360] REISERFS (device loop0): checking transaction log (loop0) [ 234.409638][ T7360] REISERFS (device loop0): Using r5 hash to sort names [pid 7369] <... set_robust_list resumed>) = 0 [pid 7368] <... set_robust_list resumed>) = 0 [pid 7353] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] mkdir(".", 0777 [pid 7368] mkdir(".", 0777 [pid 7353] <... futex resumed>) = 0 [pid 7348] exit_group(0 [pid 7367] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7367] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7367] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7369] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7368] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7365] <... futex resumed>) = ? [pid 7353] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7348] <... exit_group resumed>) = ? [pid 7365] +++ exited with 0 +++ [pid 7369] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7368] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7355] <... futex resumed>) = 0 [pid 7350] <... futex resumed>) = ? [pid 7362] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7362] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7360] <... mount resumed>) = 0 [pid 7360] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7360] chdir("./file0" [pid 7350] +++ exited with 0 +++ [pid 7348] +++ exited with 0 +++ [pid 7360] <... chdir resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7348, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7360] ioctl(4, LOOP_CLR_FD) = 0 [pid 7360] close(4 [ 234.413831][ T7362] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 234.416970][ T7360] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 234.436756][ T7362] overlayfs: failed to resolve './file0': -2 [ 234.443047][ T7360] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 234.454248][ T7356] overlayfs: failed to resolve './file0': -2 [pid 5010] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7360] <... close resumed>) = 0 [pid 7360] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7360] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] <... futex resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7358] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... openat resumed>) = 3 [pid 7358] <... futex resumed>) = 1 [pid 5010] fstat(3, [pid 7358] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7360] <... futex resumed>) = 0 [pid 5010] getdents64(3, [pid 7360] mkdir("./file1", 000 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7360] <... mkdir resumed>) = 0 [pid 5010] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7360] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7360] <... futex resumed>) = 1 [pid 7358] <... futex resumed>) = 0 [pid 5010] lstat("./109/binderfs", [pid 7360] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7358] <... futex resumed>) = 0 [pid 5010] unlink("./109/binderfs" [pid 7368] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7360] mkdir("./bus", 000 [pid 7358] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7368] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] <... mkdir resumed>) = 0 [pid 7356] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] <... unlink resumed>) = 0 [pid 7368] <... futex resumed>) = 1 [pid 7360] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] <... futex resumed>) = 0 [pid 5010] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7368] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7360] <... futex resumed>) = 1 [pid 7359] exit_group(0 [pid 7358] <... futex resumed>) = 0 [pid 7356] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = ? [pid 7360] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] <... exit_group resumed>) = ? [pid 7358] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7356] <... futex resumed>) = 0 [pid 7368] <... futex resumed>) = ? [pid 7362] +++ exited with 0 +++ [pid 7360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7358] <... futex resumed>) = 0 [pid 7356] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7355] exit_group(0 [pid 7367] <... futex resumed>) = ? [ 234.480314][ T7368] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 234.490739][ T7369] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7360] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7358] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7356] <... futex resumed>) = ? [pid 7355] <... exit_group resumed>) = ? [pid 7368] +++ exited with 0 +++ [pid 7367] +++ exited with 0 +++ [pid 7359] +++ exited with 0 +++ [pid 7356] +++ exited with 0 +++ [pid 7355] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7359, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7355, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5012] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./110/binderfs", [pid 5009] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] unlink("./110/binderfs" [pid 5009] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... unlink resumed>) = 0 [pid 5012] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... openat resumed>) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./108/binderfs") = 0 [ 234.532155][ T7360] overlayfs: upper fs needs to support d_type. [ 234.541401][ T7360] overlayfs: upper fs does not support tmpfile. [pid 5009] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7358] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7369] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7358] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] <... futex resumed>) = 0 [pid 7369] <... futex resumed>) = 1 [pid 7358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7353] <... futex resumed>) = 0 [pid 7369] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] <... mmap resumed>) = 0x7f76a8b35000 [pid 7353] exit_group(0 [pid 7369] <... futex resumed>) = ? [pid 7353] <... exit_group resumed>) = ? [pid 7369] +++ exited with 0 +++ [pid 7358] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7354] <... futex resumed>) = ? [pid 7360] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7360] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7360] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] <... mprotect resumed>) = 0 [pid 7354] +++ exited with 0 +++ [pid 7353] +++ exited with 0 +++ [pid 7358] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7353, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 7358] <... clone resumed>, parent_tid=[7370], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7370 [pid 7358] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7358] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./110/binderfs") = 0 [ 234.576265][ T7360] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 234.586998][ T7360] overlayfs: failed to resolve './file0': -2 [pid 5011] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7370 attached [pid 7370] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7370] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7370] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./109/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./109/file0" [pid 7370] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... rmdir resumed>) = 0 [pid 7370] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7358] <... futex resumed>) = 0 [pid 7370] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] exit_group(0 [pid 7370] <... futex resumed>) = ? [pid 7360] <... futex resumed>) = ? [pid 7358] <... exit_group resumed>) = ? [pid 7370] +++ exited with 0 +++ [pid 7360] +++ exited with 0 +++ [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3 [pid 7358] +++ exited with 0 +++ [pid 5010] <... close resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7358, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5010] rmdir("./109" [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5012] <... umount2 resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5010] mkdir("./110", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5009] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 234.668347][ T7370] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./108/file0", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./110/file0", [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 3 [pid 5012] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(3, [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] close(3 [pid 5009] <... openat resumed>) = 4 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... openat resumed>) = 4 [pid 5009] fstat(4, [pid 5012] fstat(4, [pid 5008] getdents64(3, [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] getdents64(4, [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] getdents64(4, [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, [pid 5012] getdents64(4, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4 [pid 5008] lstat("./108/binderfs", [pid 5012] close(4 [pid 5009] <... close resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] rmdir("./108/file0" [pid 5012] <... close resumed>) = 0 [pid 5008] unlink("./108/binderfs" [pid 5012] rmdir("./110/file0" [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7371 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] getdents64(3, [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3 [pid 5012] close(3 [pid 5009] <... close resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5009] rmdir("./108"./strace-static-x86_64: Process 7371 attached [pid 5012] rmdir("./110" [pid 5009] <... rmdir resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5009] mkdir("./109", 0777 [pid 5012] mkdir("./111", 0777 [pid 7371] set_robust_list(0x555556dec5e0, 24 [pid 5009] <... mkdir resumed>) = 0 [pid 7371] <... set_robust_list resumed>) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7371] chdir("./110" [pid 5012] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5009] <... openat resumed>) = 3 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5012] close(3 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] <... close resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] close(3) = 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7372 [pid 7371] <... chdir resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7373 [pid 7371] <... prctl resumed>) = 0 [pid 7371] setpgid(0, 0) = 0 [pid 7371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 7373 attached [pid 7371] write(3, "1000", 4) = 4 [pid 7373] set_robust_list(0x555556dec5e0, 24 [pid 7371] close(3) = 0 [pid 7373] <... set_robust_list resumed>) = 0 [pid 7371] symlink("/dev/binderfs", "./binderfs" [pid 7373] chdir("./109") = 0 [pid 7371] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 7372 attached [pid 7373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7371] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] <... prctl resumed>) = 0 [pid 7372] set_robust_list(0x555556dec5e0, 24 [pid 7371] <... futex resumed>) = 0 [pid 7373] setpgid(0, 0 [pid 7372] <... set_robust_list resumed>) = 0 [pid 7371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7373] <... setpgid resumed>) = 0 [pid 7373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7372] chdir("./111" [pid 7371] <... mmap resumed>) = 0x7f76b0b56000 [pid 7373] <... openat resumed>) = 3 [pid 7372] <... chdir resumed>) = 0 [pid 7371] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7373] write(3, "1000", 4 [pid 7372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7371] <... mprotect resumed>) = 0 [pid 7373] <... write resumed>) = 4 [pid 7372] <... prctl resumed>) = 0 [pid 7371] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7373] close(3 [pid 7372] setpgid(0, 0 [pid 7373] <... close resumed>) = 0 [pid 7372] <... setpgid resumed>) = 0 [pid 7371] <... clone resumed>, parent_tid=[7374], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7374 [pid 7373] symlink("/dev/binderfs", "./binderfs" [pid 7372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7371] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] <... symlink resumed>) = 0 [pid 7372] <... openat resumed>) = 3 [pid 7371] <... futex resumed>) = 0 [pid 7373] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] write(3, "1000", 4 [pid 7371] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7374 attached [pid 7373] <... futex resumed>) = 0 [pid 7372] <... write resumed>) = 4 [pid 7374] set_robust_list(0x7f76b0b769e0, 24 [pid 7373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7372] close(3 [pid 7374] <... set_robust_list resumed>) = 0 [pid 7373] <... mmap resumed>) = 0x7f76b0b56000 [pid 7372] <... close resumed>) = 0 [pid 7374] memfd_create("syzkaller", 0 [pid 7373] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7372] symlink("/dev/binderfs", "./binderfs" [pid 7374] <... memfd_create resumed>) = 3 [pid 7373] <... mprotect resumed>) = 0 [pid 7372] <... symlink resumed>) = 0 [pid 7374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7373] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7372] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7374] <... mmap resumed>) = 0x7f76a8756000 [pid 7373] <... clone resumed>, parent_tid=[7375], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7375 [pid 7372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7373] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] <... umount2 resumed>) = 0 [pid 7373] <... futex resumed>) = 0 [pid 7372] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7373] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7372] <... mprotect resumed>) = 0 [pid 7372] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7376 ./strace-static-x86_64: Process 7375 attached [pid 7372] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] set_robust_list(0x7f76b0b769e0, 24 [pid 7372] <... futex resumed>) = 0 [pid 7375] <... set_robust_list resumed>) = 0 [pid 7372] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7376 attached [pid 7375] memfd_create("syzkaller", 0) = 3 [pid 7375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7376] set_robust_list(0x7f76b0b769e0, 24 [pid 7375] <... mmap resumed>) = 0x7f76a8756000 [pid 7376] <... set_robust_list resumed>) = 0 [pid 5011] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7376] memfd_create("syzkaller", 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7376] <... memfd_create resumed>) = 3 [pid 5011] lstat("./110/file0", [pid 7376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7376] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./110/file0") = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./110") = 0 [pid 5011] mkdir("./111", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7377 [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 5008] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7377 attached [pid 5008] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7377] set_robust_list(0x555556dec5e0, 24) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7377] chdir("./111" [pid 5008] lstat("./108/file0", [pid 7377] <... chdir resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, [pid 7377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7377] <... prctl resumed>) = 0 [pid 5008] getdents64(4, [pid 7377] setpgid(0, 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7377] <... setpgid resumed>) = 0 [pid 5008] getdents64(4, [pid 7377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7377] <... openat resumed>) = 3 [pid 5008] close(4 [pid 7377] write(3, "1000", 4 [pid 7375] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7377] <... write resumed>) = 4 [pid 5008] rmdir("./108/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./108") = 0 [pid 5008] mkdir("./109", 0777 [pid 7377] close(3 [pid 5008] <... mkdir resumed>) = 0 [pid 7377] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7377] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... openat resumed>) = 3 [pid 7377] <... symlink resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7377] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7377] <... futex resumed>) = 0 [pid 5008] close(3 [pid 7377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... close resumed>) = 0 [pid 7377] <... mmap resumed>) = 0x7f76b0b56000 [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 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7377] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7378 [pid 7377] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7379], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7379 [pid 7377] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7377] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7378 attached [pid 7378] set_robust_list(0x555556dec5e0, 24./strace-static-x86_64: Process 7379 attached ) = 0 [pid 7379] set_robust_list(0x7f76b0b769e0, 24 [pid 7378] chdir("./109" [pid 7379] <... set_robust_list resumed>) = 0 [pid 7378] <... chdir resumed>) = 0 [pid 7379] memfd_create("syzkaller", 0 [pid 7378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7378] setpgid(0, 0) = 0 [pid 7378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7379] <... memfd_create resumed>) = 3 [pid 7378] write(3, "1000", 4 [pid 7379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7378] <... write resumed>) = 4 [pid 7378] close(3 [pid 7379] <... mmap resumed>) = 0x7f76a8756000 [pid 7378] <... close resumed>) = 0 [pid 7378] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7378] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7378] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7378] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7380], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7380 [pid 7378] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7378] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7380 attached [pid 7380] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7380] memfd_create("syzkaller", 0) = 3 [pid 7380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7374] <... write resumed>) = 4194304 [pid 7374] munmap(0x7f76a8756000, 4194304) = 0 [pid 7374] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7374] ioctl(4, LOOP_SET_FD, 3 [pid 7379] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] <... write resumed>) = 4194304 [pid 7374] <... ioctl resumed>) = 0 [pid 7375] munmap(0x7f76a8756000, 4194304 [pid 7374] close(3) = 0 [pid 7374] mkdir("./file0", 0777 [pid 7375] <... munmap resumed>) = 0 [pid 7374] <... mkdir resumed>) = 0 [pid 7375] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7374] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7375] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7375] close(3) = 0 [ 235.078726][ T7374] loop2: detected capacity change from 0 to 8192 [ 235.112370][ T7375] loop1: detected capacity change from 0 to 8192 [pid 7375] mkdir("./file0", 0777 [pid 7376] <... write resumed>) = 4194304 [pid 7375] <... mkdir resumed>) = 0 [pid 7380] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7376] munmap(0x7f76a8756000, 4194304 [pid 7375] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7376] <... munmap resumed>) = 0 [pid 7376] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 235.126311][ T7374] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.158050][ T7376] loop4: detected capacity change from 0 to 8192 [ 235.166416][ T7375] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7376] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7376] close(3) = 0 [pid 7376] mkdir("./file0", 0777) = 0 [pid 7376] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7380] <... write resumed>) = 4194304 [pid 7380] munmap(0x7f76a8756000, 4194304) = 0 [pid 7380] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 235.186783][ T7374] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 235.196952][ T7374] REISERFS (device loop2): using ordered data mode [ 235.203682][ T7376] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.203738][ T7374] reiserfs: using flush barriers [pid 7380] ioctl(4, LOOP_SET_FD, 3 [pid 7379] <... write resumed>) = 4194304 [pid 7379] munmap(0x7f76a8756000, 4194304) = 0 [pid 7379] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7379] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7379] close(3) = 0 [pid 7379] mkdir("./file0", 0777) = 0 [pid 7379] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7380] <... ioctl resumed>) = 0 [pid 7380] close(3) = 0 [pid 7380] mkdir("./file0", 0777) = 0 [ 235.205576][ T7374] 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 [ 235.220906][ T7380] loop0: detected capacity change from 0 to 8192 [ 235.222223][ T7374] REISERFS (device loop2): checking transaction log (loop2) [ 235.251760][ T7379] loop3: detected capacity change from 0 to 8192 [ 235.258376][ T7375] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 235.268113][ T7376] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 235.277897][ T7375] REISERFS (device loop1): using ordered data mode [ 235.279094][ T7379] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.284453][ T7375] reiserfs: using flush barriers [ 235.297521][ T7374] REISERFS (device loop2): Using r5 hash to sort names [ 235.303067][ T7376] REISERFS (device loop4): using ordered data mode [ 235.315540][ T7374] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.317739][ T7375] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 235.330147][ T7379] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 235.345316][ T7376] reiserfs: using flush barriers [ 235.354610][ T7379] REISERFS (device loop3): using ordered data mode [ 235.359496][ T7374] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 235.365726][ T7380] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7380] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7374] <... mount resumed>) = 0 [pid 7374] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7374] chdir("./file0") = 0 [pid 7374] ioctl(4, LOOP_CLR_FD) = 0 [ 235.376787][ T7376] 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 [ 235.388538][ T7379] reiserfs: using flush barriers [ 235.404139][ T7376] REISERFS (device loop4): checking transaction log (loop4) [ 235.416576][ T7380] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 235.426719][ T7375] REISERFS (device loop1): checking transaction log (loop1) [pid 7374] close(4) = 0 [pid 7374] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7371] <... futex resumed>) = 0 [pid 7374] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7371] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7371] <... futex resumed>) = 0 [pid 7374] mkdir("./file1", 000 [pid 7371] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] <... mkdir resumed>) = 0 [ 235.434358][ T7380] REISERFS (device loop0): using ordered data mode [ 235.439928][ T7376] REISERFS (device loop4): Using r5 hash to sort names [ 235.447755][ T7380] reiserfs: using flush barriers [ 235.453188][ T7380] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 235.453869][ T7375] REISERFS (device loop1): Using r5 hash to sort names [ 235.471105][ T7380] REISERFS (device loop0): checking transaction log (loop0) [pid 7374] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7371] <... futex resumed>) = 0 [pid 7374] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7371] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7371] <... futex resumed>) = 0 [pid 7374] mkdir("./bus", 000 [pid 7371] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] <... mkdir resumed>) = 0 [pid 7374] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7371] <... futex resumed>) = 0 [pid 7374] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7371] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7371] <... futex resumed>) = 0 [pid 7374] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 235.483760][ T7379] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 235.485131][ T7374] overlayfs: upper fs needs to support d_type. [ 235.501052][ T7379] REISERFS (device loop3): checking transaction log (loop3) [ 235.511200][ T7376] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.521194][ T7380] REISERFS (device loop0): Using r5 hash to sort names [pid 7371] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7371] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7371] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7371] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7386], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7386 [pid 7371] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7371] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7386 attached [pid 7386] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7386] mkdir(".", 0777) = -1 EEXIST (File exists) [ 235.528614][ T7375] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.546169][ T7379] REISERFS (device loop3): Using r5 hash to sort names [ 235.547807][ T7376] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 235.553893][ T7379] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.572370][ T7375] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7386] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] <... mount resumed>) = 0 [pid 7376] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7376] chdir("./file0") = 0 [pid 7376] ioctl(4, LOOP_CLR_FD) = 0 [pid 7376] close(4) = 0 [pid 7376] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... futex resumed>) = 0 [pid 7372] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7372] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7376] <... futex resumed>) = 1 [pid 7376] mkdir("./file1", 000) = 0 [pid 7376] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7372] <... futex resumed>) = 0 [pid 7376] mkdir("./bus", 000 [pid 7372] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] <... mkdir resumed>) = 0 [pid 7372] <... futex resumed>) = 0 [pid 7376] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7376] <... futex resumed>) = 0 [pid 7372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7376] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7372] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 235.585092][ T7380] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.602613][ T7386] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 235.602790][ T7380] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 235.626132][ T7379] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7372] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7380] <... mount resumed>) = 0 [pid 7380] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7379] <... mount resumed>) = 0 [pid 7380] <... openat resumed>) = 3 [pid 7379] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7380] chdir("./file0" [pid 7379] <... openat resumed>) = 3 [pid 7380] <... chdir resumed>) = 0 [pid 7379] chdir("./file0" [pid 7380] ioctl(4, LOOP_CLR_FD [pid 7379] <... chdir resumed>) = 0 [pid 7386] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7386] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... ioctl resumed>) = 0 [pid 7379] ioctl(4, LOOP_CLR_FD [pid 7380] close(4 [pid 7379] <... ioctl resumed>) = 0 [pid 7380] <... close resumed>) = 0 [pid 7379] close(4 [pid 7371] <... futex resumed>) = 0 [pid 7386] <... futex resumed>) = 1 [pid 7386] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7379] <... close resumed>) = 0 [pid 7380] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7379] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] <... futex resumed>) = 0 [pid 7380] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7379] <... futex resumed>) = 1 [pid 7378] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] <... futex resumed>) = 0 [pid 7380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7379] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] <... futex resumed>) = 0 [pid 7377] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] mkdir("./file1", 000 [pid 7379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7378] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] <... futex resumed>) = 0 [pid 7380] <... mkdir resumed>) = 0 [pid 7379] mkdir("./file1", 000 [pid 7377] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7375] <... mount resumed>) = 0 [pid 7380] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] <... mkdir resumed>) = 0 [pid 7375] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7380] <... futex resumed>) = 1 [pid 7379] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] <... futex resumed>) = 0 [pid 7375] <... openat resumed>) = 3 [pid 7380] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7379] <... futex resumed>) = 1 [pid 7378] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] <... futex resumed>) = 0 [pid 7375] chdir("./file0" [pid 7372] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7379] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] <... futex resumed>) = 0 [pid 7377] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... chdir resumed>) = 0 [pid 7372] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] ioctl(4, LOOP_CLR_FD [pid 7372] <... futex resumed>) = 0 [pid 7375] <... ioctl resumed>) = 0 [pid 7372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7375] close(4 [pid 7372] <... mmap resumed>) = 0x7f76a8b35000 [pid 7375] <... close resumed>) = 0 [pid 7372] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7380] mkdir("./bus", 000 [pid 7379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7378] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] <... futex resumed>) = 0 [ 235.632139][ T7374] overlayfs: upper fs does not support tmpfile. [ 235.642870][ T7376] overlayfs: upper fs needs to support d_type. [ 235.651114][ T7376] overlayfs: upper fs does not support tmpfile. [ 235.671374][ T7374] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7375] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... mprotect resumed>) = 0 [pid 7380] <... mkdir resumed>) = 0 [pid 7379] mkdir("./bus", 000 [pid 7377] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7375] <... futex resumed>) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7372] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7380] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] <... mkdir resumed>) = 0 [pid 7375] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... futex resumed>) = 1 [pid 7379] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] <... futex resumed>) = 0 [pid 7375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] <... futex resumed>) = 0 [pid 7372] <... clone resumed>, parent_tid=[7387], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7387 [pid 7380] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7379] <... futex resumed>) = 1 [pid 7378] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] <... futex resumed>) = 0 [pid 7375] mkdir("./file1", 000 [pid 7373] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7372] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7387 attached [pid 7380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7379] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] <... futex resumed>) = 0 [pid 7377] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... mkdir resumed>) = 0 [pid 7372] <... futex resumed>) = 0 [pid 7387] set_robust_list(0x7f76a8b559e0, 24 [pid 7380] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7378] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] <... futex resumed>) = 0 [pid 7375] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7387] <... set_robust_list resumed>) = 0 [pid 7375] <... futex resumed>) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7387] mkdir(".", 0777 [pid 7375] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7387] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7379] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7377] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] <... futex resumed>) = 0 [pid 7387] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7375] mkdir("./bus", 000 [pid 7373] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7375] <... mkdir resumed>) = 0 [pid 7375] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7375] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] <... futex resumed>) = 0 [pid 7375] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 235.689942][ T7376] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 235.703693][ T7374] overlayfs: failed to resolve './file0': -2 [ 235.718264][ T7380] overlayfs: upper fs needs to support d_type. [ 235.726262][ T7375] overlayfs: upper fs needs to support d_type. [ 235.726635][ T7379] overlayfs: upper fs needs to support d_type. [pid 7373] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7373] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7373] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7378] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7377] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7373] <... mprotect resumed>) = 0 [pid 7378] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7373] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7378] <... futex resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 7374] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] exit_group(0 [pid 7386] <... futex resumed>) = ? [pid 7374] <... futex resumed>) = ? [pid 7373] <... clone resumed>, parent_tid=[7388], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7388 [pid 7371] <... exit_group resumed>) = ? [pid 7378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7386] +++ exited with 0 +++ [pid 7374] +++ exited with 0 +++ [pid 7378] <... mmap resumed>) = 0x7f76a8b35000 [pid 7373] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] +++ exited with 0 +++ [ 235.732502][ T7375] overlayfs: upper fs does not support tmpfile. [ 235.739733][ T7380] overlayfs: upper fs does not support tmpfile. [ 235.757721][ T7387] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 235.765437][ T7379] overlayfs: upper fs does not support tmpfile. [pid 7378] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7377] <... mmap resumed>) = 0x7f76a8b35000 [pid 7373] <... futex resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7371, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 7378] <... mprotect resumed>) = 0 [pid 7373] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7377] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7378] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7387] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7377] <... mprotect resumed>) = 0 [pid 7387] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... futex resumed>) = 0 [pid 7387] <... futex resumed>) = 1 [pid 7387] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7377] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7389 attached [pid 7389] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7389] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] <... clone resumed>, parent_tid=[7389], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7389 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7378] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] <... clone resumed>, parent_tid=[7390], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7390 [pid 7378] <... futex resumed>) = 1 [pid 7377] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... openat resumed>) = 3 [pid 7378] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7377] <... futex resumed>) = 0 [pid 5010] fstat(3, [pid 7377] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7389] <... futex resumed>) = 0 [pid 5010] getdents64(3, [pid 7389] mkdir(".", 0777 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7389] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5010] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7389] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 235.797463][ T7376] overlayfs: failed to resolve './file0': -2 [ 235.800786][ T7375] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 235.805871][ T7380] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 235.828915][ T7389] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5010] lstat("./110/binderfs", ./strace-static-x86_64: Process 7388 attached [pid 7376] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7388] set_robust_list(0x7f76a8b559e0, 24 [pid 7376] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] unlink("./110/binderfs" [pid 7388] <... set_robust_list resumed>) = 0 [pid 7372] exit_group(0 [pid 7387] <... futex resumed>) = ? [pid 7372] <... exit_group resumed>) = ? [pid 7387] +++ exited with 0 +++ ./strace-static-x86_64: Process 7390 attached [pid 7390] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7390] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7390] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] <... futex resumed>) = ? [pid 5010] <... unlink resumed>) = 0 [pid 7388] mkdir(".", 0777 [pid 7376] +++ exited with 0 +++ [pid 7372] +++ exited with 0 +++ [ 235.846592][ T7379] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 235.857329][ T7379] overlayfs: failed to resolve './file0': -2 [ 235.857676][ T7375] overlayfs: failed to resolve './file0': -2 [pid 5010] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7388] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7372, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5012] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./111/binderfs" [pid 7389] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7388] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7379] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... unlink resumed>) = 0 [pid 7379] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7390] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7390] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7379] <... futex resumed>) = 0 [pid 7375] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7389] <... futex resumed>) = 1 [pid 7380] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] <... futex resumed>) = 0 [pid 7375] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7389] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7380] <... futex resumed>) = 0 [pid 7378] exit_group(0 [pid 7375] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] <... futex resumed>) = ? [pid 7378] <... exit_group resumed>) = ? [pid 7389] +++ exited with 0 +++ [pid 7380] +++ exited with 0 +++ [pid 7378] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7378, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5008] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./109", 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, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./109/binderfs") = 0 [ 235.888153][ T7380] overlayfs: failed to resolve './file0': -2 [ 235.905916][ T7390] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 235.910854][ T7388] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7390] <... futex resumed>) = 1 [pid 7377] <... futex resumed>) = 0 [pid 7390] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7377] exit_group(0) = ? [pid 7379] <... futex resumed>) = ? [pid 7390] <... futex resumed>) = ? [pid 7379] +++ exited with 0 +++ [pid 7390] +++ exited with 0 +++ [pid 7377] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7377, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5011] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, [pid 7388] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7388] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7388] <... futex resumed>) = 1 [pid 7373] <... futex resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7388] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] exit_group(0 [pid 5011] lstat("./111/binderfs", [pid 7388] <... futex resumed>) = ? [pid 7375] <... futex resumed>) = ? [pid 7373] <... exit_group resumed>) = ? [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7388] +++ exited with 0 +++ [pid 7375] +++ exited with 0 +++ [pid 7373] +++ exited with 0 +++ [pid 5011] unlink("./111/binderfs" [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7373, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./109/binderfs") = 0 [pid 5009] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./110/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./110/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./110") = 0 [pid 5010] mkdir("./111", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7391 ./strace-static-x86_64: Process 7391 attached [pid 7391] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7391] chdir("./111") = 0 [pid 7391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7391] setpgid(0, 0) = 0 [pid 7391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7391] write(3, "1000", 4) = 4 [pid 7391] close(3) = 0 [pid 7391] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7391] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7391] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7391] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7392], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7392 [pid 7391] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7391] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7392 attached [pid 7392] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7392] memfd_create("syzkaller", 0) = 3 [pid 7392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5009] <... umount2 resumed>) = 0 [pid 5009] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./109/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./109/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./109") = 0 [pid 5009] mkdir("./110", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7393 [pid 5012] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7393 attached [pid 7393] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7393] chdir("./110" [pid 5012] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7393] <... chdir resumed>) = 0 [pid 7393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5012] lstat("./111/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7393] setpgid(0, 0 [pid 5012] <... openat resumed>) = 4 [pid 7393] <... setpgid resumed>) = 0 [pid 7393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] fstat(4, [pid 7392] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5011] <... umount2 resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 7393] <... openat resumed>) = 3 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7393] write(3, "1000", 4) = 4 [pid 7393] close(3 [pid 5012] getdents64(4, [pid 7393] <... close resumed>) = 0 [pid 7393] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7393] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7393] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./111/file0" [pid 7393] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... rmdir resumed>) = 0 [pid 7393] <... clone resumed>, parent_tid=[7394], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7394 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7393] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] close(3 [pid 5008] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7393] <... futex resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7393] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] rmdir("./111" [pid 5008] lstat("./109/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] <... rmdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] mkdir("./112", 0777 [pid 5008] <... openat resumed>) = 4 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(4, [pid 5011] lstat("./111/file0", [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 5011] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(4, [pid 5012] <... openat resumed>) = 3 [pid 5011] openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5011] <... openat resumed>) = 4 [pid 5008] close(4 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] fstat(4, [pid 5008] <... close resumed>) = 0 ./strace-static-x86_64: Process 7394 attached [pid 5012] close(3 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] rmdir("./109/file0" [pid 5011] getdents64(4, [pid 5008] <... rmdir resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(3, [pid 5011] getdents64(4, [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5011] close(4 [pid 5008] <... close resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5008] rmdir("./109" [pid 5011] rmdir("./111/file0" [pid 5008] <... rmdir resumed>) = 0 [pid 7394] set_robust_list(0x7f76b0b769e0, 24 [pid 5011] <... rmdir resumed>) = 0 [pid 5008] mkdir("./110", 0777 [pid 7394] <... set_robust_list resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5011] getdents64(3, [pid 5008] <... mkdir resumed>) = 0 [pid 7394] memfd_create("syzkaller", 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7394] <... memfd_create resumed>) = 3 [pid 5011] close(3 [pid 5008] <... openat resumed>) = 3 [pid 7394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7395 [pid 5011] <... close resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7394] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] rmdir("./111" [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... rmdir resumed>) = 0 [pid 5008] close(3./strace-static-x86_64: Process 7395 attached [pid 5011] mkdir("./112", 0777 [pid 5008] <... close resumed>) = 0 [pid 7395] set_robust_list(0x555556dec5e0, 24 [pid 5011] <... mkdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7396 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 7395] <... set_robust_list resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7395] chdir("./112"./strace-static-x86_64: Process 7396 attached ) = 0 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7397 [pid 7396] set_robust_list(0x555556dec5e0, 24 [pid 7395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7396] <... set_robust_list resumed>) = 0 [pid 7395] <... prctl resumed>) = 0 [pid 7396] chdir("./110" [pid 7395] setpgid(0, 0 [pid 7396] <... chdir resumed>) = 0 [pid 7395] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 7397 attached [pid 7396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7397] set_robust_list(0x555556dec5e0, 24 [pid 7396] <... prctl resumed>) = 0 [pid 7395] <... openat resumed>) = 3 [pid 7397] <... set_robust_list resumed>) = 0 [pid 7396] setpgid(0, 0 [pid 7395] write(3, "1000", 4 [pid 7397] chdir("./112" [pid 7396] <... setpgid resumed>) = 0 [pid 7395] <... write resumed>) = 4 [pid 7397] <... chdir resumed>) = 0 [pid 7396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7395] close(3 [pid 7397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7396] <... openat resumed>) = 3 [pid 7395] <... close resumed>) = 0 [pid 7397] <... prctl resumed>) = 0 [pid 7396] write(3, "1000", 4 [pid 7395] symlink("/dev/binderfs", "./binderfs" [pid 7397] setpgid(0, 0 [pid 7396] <... write resumed>) = 4 [pid 7395] <... symlink resumed>) = 0 [pid 7397] <... setpgid resumed>) = 0 [pid 7396] close(3 [pid 7395] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7396] <... close resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7397] <... openat resumed>) = 3 [pid 7396] symlink("/dev/binderfs", "./binderfs" [pid 7395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7397] write(3, "1000", 4 [pid 7396] <... symlink resumed>) = 0 [pid 7395] <... mmap resumed>) = 0x7f76b0b56000 [pid 7397] <... write resumed>) = 4 [pid 7396] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7397] close(3 [pid 7396] <... futex resumed>) = 0 [pid 7395] <... mprotect resumed>) = 0 [pid 7397] <... close resumed>) = 0 [pid 7396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7395] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7397] symlink("/dev/binderfs", "./binderfs" [pid 7396] <... mmap resumed>) = 0x7f76b0b56000 [pid 7397] <... symlink resumed>) = 0 [pid 7396] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7398 attached [pid 7397] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] <... mprotect resumed>) = 0 [pid 7395] <... clone resumed>, parent_tid=[7398], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7398 [pid 7397] <... futex resumed>) = 0 [pid 7398] set_robust_list(0x7f76b0b769e0, 24 [pid 7397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7396] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7395] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] <... mmap resumed>) = 0x7f76b0b56000 [pid 7395] <... futex resumed>) = 0 [pid 7398] <... set_robust_list resumed>) = 0 [pid 7397] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7396] <... clone resumed>, parent_tid=[7399], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7399 [pid 7395] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7398] memfd_create("syzkaller", 0 [pid 7397] <... mprotect resumed>) = 0 [pid 7396] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7399 attached [pid 7398] <... memfd_create resumed>) = 3 [pid 7397] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7396] <... futex resumed>) = 0 [pid 7397] <... clone resumed>, parent_tid=[7400], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7400 [pid 7397] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7397] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7400 attached [pid 7400] set_robust_list(0x7f76b0b769e0, 24 [pid 7396] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7399] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7398] <... mmap resumed>) = 0x7f76a8756000 [pid 7400] <... set_robust_list resumed>) = 0 [pid 7400] memfd_create("syzkaller", 0) = 3 [pid 7399] memfd_create("syzkaller", 0 [pid 7400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7399] <... memfd_create resumed>) = 3 [pid 7400] <... mmap resumed>) = 0x7f76a8756000 [pid 7399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7394] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7392] <... write resumed>) = 4194304 [pid 7392] munmap(0x7f76a8756000, 4194304) = 0 [pid 7392] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7392] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7392] close(3) = 0 [pid 7392] mkdir("./file0", 0777) = 0 [pid 7392] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7399] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7398] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 236.379470][ T7392] loop2: detected capacity change from 0 to 8192 [pid 7400] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [ 236.446483][ T7392] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.482118][ T7392] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7400] munmap(0x7f76a8756000, 4194304) = 0 [pid 7400] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7400] ioctl(4, LOOP_SET_FD, 3 [pid 7394] <... write resumed>) = 4194304 [pid 7400] <... ioctl resumed>) = 0 [pid 7400] close(3 [pid 7394] munmap(0x7f76a8756000, 4194304 [pid 7400] <... close resumed>) = 0 [pid 7400] mkdir("./file0", 0777) = 0 [pid 7394] <... munmap resumed>) = 0 [pid 7394] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7394] ioctl(4, LOOP_SET_FD, 3 [pid 7400] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7394] <... ioctl resumed>) = 0 [ 236.522810][ T7392] REISERFS (device loop2): using ordered data mode [ 236.528992][ T7400] loop3: detected capacity change from 0 to 8192 [ 236.552131][ T7394] loop1: detected capacity change from 0 to 8192 [ 236.556177][ T7392] reiserfs: using flush barriers [pid 7399] <... write resumed>) = 4194304 [pid 7399] munmap(0x7f76a8756000, 4194304 [pid 7398] <... write resumed>) = 4194304 [pid 7394] close(3 [pid 7399] <... munmap resumed>) = 0 [pid 7398] munmap(0x7f76a8756000, 4194304 [pid 7394] <... close resumed>) = 0 [ 236.571253][ T7400] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.586171][ T7392] 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 [ 236.586902][ T7400] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 236.607359][ T7392] REISERFS (device loop2): checking transaction log (loop2) [pid 7399] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7399] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7394] mkdir("./file0", 0777) = 0 [pid 7394] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7398] <... munmap resumed>) = 0 [pid 7398] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 236.614382][ T7400] REISERFS (device loop3): using ordered data mode [ 236.625405][ T7399] loop0: detected capacity change from 0 to 8192 [ 236.625711][ T7400] reiserfs: using flush barriers [ 236.641560][ T7400] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.643388][ T7392] REISERFS (device loop2): Using r5 hash to sort names [ 236.658337][ T7400] REISERFS (device loop3): checking transaction log (loop3) [pid 7398] ioctl(4, LOOP_SET_FD, 3 [pid 7399] close(3 [pid 7398] <... ioctl resumed>) = 0 [pid 7398] close(3) = 0 [pid 7398] mkdir("./file0", 0777) = 0 [pid 7398] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7399] <... close resumed>) = 0 [pid 7399] mkdir("./file0", 0777) = 0 [pid 7399] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7392] <... mount resumed>) = 0 [pid 7392] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7392] chdir("./file0") = 0 [pid 7392] ioctl(4, LOOP_CLR_FD) = 0 [ 236.666941][ T7398] loop4: detected capacity change from 0 to 8192 [ 236.673181][ T7392] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 236.681691][ T7394] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.700068][ T7392] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 236.706667][ T7394] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7392] close(4) = 0 [ 236.723811][ T7400] REISERFS (device loop3): Using r5 hash to sort names [ 236.724219][ T7394] REISERFS (device loop1): using ordered data mode [ 236.738427][ T7394] reiserfs: using flush barriers [ 236.738441][ T7399] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.745050][ T7394] 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 7392] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7391] <... futex resumed>) = 0 [pid 7392] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7391] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7391] <... futex resumed>) = 0 [pid 7392] mkdir("./file1", 000 [pid 7391] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7392] <... mkdir resumed>) = 0 [pid 7392] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7391] <... futex resumed>) = 0 [pid 7392] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7391] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7391] <... futex resumed>) = 0 [ 236.756609][ T7398] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.773039][ T7394] REISERFS (device loop1): checking transaction log (loop1) [ 236.796272][ T7394] REISERFS (device loop1): Using r5 hash to sort names [ 236.797187][ T7400] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7392] mkdir("./bus", 000 [pid 7391] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7392] <... mkdir resumed>) = 0 [pid 7392] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7391] <... futex resumed>) = 0 [pid 7392] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7391] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7391] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7394] <... mount resumed>) = 0 [ 236.804476][ T7394] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 236.829065][ T7394] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 236.839471][ T7399] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 236.839483][ T7392] overlayfs: upper fs needs to support d_type. [ 236.839534][ T7392] overlayfs: upper fs does not support tmpfile. [ 236.848788][ T7399] REISERFS (device loop0): using ordered data mode [pid 7394] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7394] chdir("./file0") = 0 [pid 7394] ioctl(4, LOOP_CLR_FD) = 0 [pid 7391] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7391] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7394] close(4 [pid 7391] <... mmap resumed>) = 0x7f76a8b35000 [pid 7394] <... close resumed>) = 0 [pid 7391] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7391] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7406], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7406 [pid 7391] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7391] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7394] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 ./strace-static-x86_64: Process 7406 attached [pid 7393] <... futex resumed>) = 0 [ 236.867262][ T7392] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 236.879574][ T7399] reiserfs: using flush barriers [ 236.885099][ T7398] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 236.897358][ T7399] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.914860][ T7398] REISERFS (device loop4): using ordered data mode [pid 7394] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] set_robust_list(0x7f76a8b559e0, 24 [pid 7394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7406] <... set_robust_list resumed>) = 0 [pid 7394] mkdir("./file1", 000 [pid 7393] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7406] mkdir(".", 0777 [pid 7394] <... mkdir resumed>) = 0 [pid 7406] <... mkdir resumed>) = -1 EEXIST (File exists) [ 236.922136][ T7398] reiserfs: using flush barriers [ 236.931163][ T7398] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.936592][ T7392] overlayfs: failed to resolve './file0': -2 [ 236.949194][ T7399] REISERFS (device loop0): checking transaction log (loop0) [ 236.959413][ T7400] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7394] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7394] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7394] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7394] mkdir("./bus", 000 [pid 7393] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7394] <... mkdir resumed>) = 0 [pid 7394] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7400] <... mount resumed>) = 0 [pid 7400] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7394] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] chdir("./file0") = 0 [pid 7400] ioctl(4, LOOP_CLR_FD) = 0 [ 236.962236][ T7398] REISERFS (device loop4): checking transaction log (loop4) [ 236.978723][ T7399] REISERFS (device loop0): Using r5 hash to sort names [ 236.988476][ T7398] REISERFS (device loop4): Using r5 hash to sort names [ 236.994112][ T7406] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 237.010550][ T7398] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7400] close(4 [pid 7394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7392] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7400] <... close resumed>) = 0 [pid 7400] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7400] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7394] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7393] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7392] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] <... futex resumed>) = 0 [pid 7397] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] <... futex resumed>) = 0 [pid 7400] <... futex resumed>) = 0 [pid 7397] <... futex resumed>) = 1 [pid 7392] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7400] mkdir("./file1", 000) = 0 [pid 7400] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7400] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 237.035531][ T7399] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 237.048795][ T7399] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 237.058719][ T7398] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 237.072825][ T7394] overlayfs: upper fs needs to support d_type. [pid 7397] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7406] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7397] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] <... futex resumed>) = 0 [pid 7397] <... futex resumed>) = 1 [pid 7400] mkdir("./bus", 000) = 0 [pid 7391] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = 1 [pid 7400] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7391] exit_group(0 [pid 7400] <... futex resumed>) = 0 [pid 7399] <... mount resumed>) = 0 [pid 7398] <... mount resumed>) = 0 [pid 7391] <... exit_group resumed>) = ? [pid 7406] +++ exited with 0 +++ [pid 7400] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7399] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7398] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7392] <... futex resumed>) = ? [pid 7398] <... openat resumed>) = 3 [pid 7399] <... openat resumed>) = 3 [pid 7392] +++ exited with 0 +++ [pid 7391] +++ exited with 0 +++ [pid 7399] chdir("./file0" [pid 7397] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] chdir("./file0" [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7391, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5010] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5010] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./111/binderfs") = 0 [pid 5010] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7400] <... futex resumed>) = 0 [pid 7399] <... chdir resumed>) = 0 [pid 7398] <... chdir resumed>) = 0 [pid 7397] <... futex resumed>) = 1 [pid 7400] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7399] ioctl(4, LOOP_CLR_FD [pid 7398] ioctl(4, LOOP_CLR_FD [pid 7397] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7393] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7399] <... ioctl resumed>) = 0 [pid 7398] <... ioctl resumed>) = 0 [pid 7394] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7394] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7394] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] close(4 [pid 7398] close(4 [pid 7394] <... futex resumed>) = 0 [pid 7393] <... futex resumed>) = 1 [pid 7399] <... close resumed>) = 0 [pid 7398] <... close resumed>) = 0 [pid 7394] mkdir(".", 0777 [pid 7393] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7399] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7399] <... futex resumed>) = 1 [pid 7398] <... futex resumed>) = 1 [pid 7396] <... futex resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7394] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7399] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7398] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 237.081431][ T7394] overlayfs: upper fs does not support tmpfile. [ 237.092743][ T7394] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 237.112362][ T7394] overlayfs: failed to resolve './file0': -2 [ 237.117876][ T7400] overlayfs: upper fs needs to support d_type. [ 237.128213][ T7400] overlayfs: upper fs does not support tmpfile. [pid 7396] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7396] <... futex resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7396] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7395] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7399] mkdir("./file1", 000 [pid 7398] mkdir("./file1", 000 [pid 7399] <... mkdir resumed>) = 0 [pid 7398] <... mkdir resumed>) = 0 [pid 7397] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7394] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7399] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 237.149179][ T7394] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 237.169870][ T7400] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7399] <... futex resumed>) = 1 [pid 7398] <... futex resumed>) = 1 [pid 7397] <... futex resumed>) = 0 [pid 7396] <... futex resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7394] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7399] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7398] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7396] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] exit_group(0 [pid 7399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7397] <... mmap resumed>) = 0x7f76a8b35000 [pid 7396] <... futex resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7394] <... futex resumed>) = ? [pid 7393] <... exit_group resumed>) = ? [pid 7400] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7399] mkdir("./bus", 000 [pid 7398] mkdir("./bus", 000 [pid 7397] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7396] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7395] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7394] +++ exited with 0 +++ [pid 7393] +++ exited with 0 +++ [pid 7400] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... mkdir resumed>) = 0 [pid 7400] <... futex resumed>) = 0 [pid 7398] <... mkdir resumed>) = 0 [pid 7400] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7397] <... mprotect resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7393, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 7397] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7398] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7398] <... futex resumed>) = 1 [pid 7397] <... clone resumed>, parent_tid=[7407], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7407 [pid 7396] <... futex resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7399] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7398] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7396] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 237.197063][ T7400] overlayfs: failed to resolve './file0': -2 [pid 7395] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7397] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] <... futex resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7399] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7398] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7397] <... futex resumed>) = 0 [pid 7396] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7395] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7407 attached [pid 7407] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7407] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7407] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7397] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./110/binderfs") = 0 [pid 5009] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7396] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7396] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7396] <... futex resumed>) = 0 [pid 7396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7396] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7395] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] <... mprotect resumed>) = 0 [pid 7395] <... futex resumed>) = 0 [pid 7396] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7396] <... clone resumed>, parent_tid=[7408], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7408 [pid 7395] <... mmap resumed>) = 0x7f76a8b35000 [pid 7396] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7396] <... futex resumed>) = 0 [pid 7395] <... mprotect resumed>) = 0 [pid 7396] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7395] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7409 [pid 7395] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7395] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7409 attached [pid 7409] set_robust_list(0x7f76a8b559e0, 24) = 0 ./strace-static-x86_64: Process 7408 attached [pid 7409] mkdir(".", 0777 [pid 7408] set_robust_list(0x7f76a8b559e0, 24 [pid 7409] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7408] <... set_robust_list resumed>) = 0 [pid 7408] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7408] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 237.231203][ T7398] overlayfs: upper fs needs to support d_type. [ 237.238684][ T7399] overlayfs: upper fs needs to support d_type. [ 237.239149][ T7407] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 237.245110][ T7399] overlayfs: upper fs does not support tmpfile. [ 237.271789][ T7398] overlayfs: upper fs does not support tmpfile. [pid 7409] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] <... umount2 resumed>) = 0 [pid 7407] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7407] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7407] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7397] <... futex resumed>) = 0 [pid 7408] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7408] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] <... futex resumed>) = 0 [pid 7408] <... futex resumed>) = 1 [pid 7408] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7409] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7397] exit_group(0 [pid 5010] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7409] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7409] <... futex resumed>) = 1 [pid 7407] <... futex resumed>) = ? [ 237.316008][ T7398] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 237.323120][ T7409] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 237.325289][ T7408] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 237.350163][ T7398] overlayfs: failed to resolve './file0': -2 [pid 7400] <... futex resumed>) = ? [pid 7395] <... futex resumed>) = 0 [pid 5010] lstat("./111/file0", [pid 7407] +++ exited with 0 +++ [pid 7400] +++ exited with 0 +++ [pid 7397] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7397, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5011] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7409] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7398] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] lstat("./112/binderfs", [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7398] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7398] <... futex resumed>) = 0 [pid 5011] unlink("./112/binderfs" [pid 7398] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] <... unlink resumed>) = 0 [pid 5010] <... openat resumed>) = 4 [pid 7395] exit_group(0 [pid 5011] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] fstat(4, [pid 7409] <... futex resumed>) = ? [pid 7398] <... futex resumed>) = ? [pid 7395] <... exit_group resumed>) = ? [pid 7409] +++ exited with 0 +++ [pid 7398] +++ exited with 0 +++ [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7395] +++ exited with 0 +++ [pid 5010] getdents64(4, [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7395, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5012] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, [pid 7399] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... umount2 resumed>) = 0 [pid 7399] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] exit_group(0 [pid 5012] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(4, [pid 5009] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7408] <... futex resumed>) = ? [pid 7399] <... futex resumed>) = ? [pid 7396] <... exit_group resumed>) = ? [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7408] +++ exited with 0 +++ [pid 5012] lstat("./112/binderfs", [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./112/binderfs") = 0 [pid 5012] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7399] +++ exited with 0 +++ [pid 7396] +++ exited with 0 +++ [pid 5010] close(4 [pid 5009] lstat("./110/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] rmdir("./111/file0" [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7396, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... rmdir resumed>) = 0 [pid 5008] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(3, [pid 5009] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [ 237.367244][ T7399] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 237.397299][ T7399] overlayfs: failed to resolve './file0': -2 [pid 5009] <... openat resumed>) = 4 [pid 5010] close(3 [pid 5009] fstat(4, [pid 5008] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... close resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] rmdir("./111" [pid 5009] getdents64(4, [pid 5008] <... openat resumed>) = 3 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] fstat(3, [pid 5010] mkdir("./112", 0777 [pid 5009] getdents64(4, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(3, [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] close(4 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = 0 [pid 5008] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] rmdir("./110/file0" [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] close(3 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] lstat("./110/binderfs", [pid 5010] <... close resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] unlink("./110/binderfs" [pid 5009] close(3 [pid 5008] <... unlink resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7410 [pid 5009] <... close resumed>) = 0 [pid 5008] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] rmdir("./110") = 0 [pid 5009] mkdir("./111", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7411 ./strace-static-x86_64: Process 7410 attached [pid 7410] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7410] chdir("./112") = 0 [pid 7410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7410] setpgid(0, 0) = 0 [pid 7410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7410] write(3, "1000", 4) = 4 [pid 7410] close(3) = 0 ./strace-static-x86_64: Process 7411 attached [pid 7410] symlink("/dev/binderfs", "./binderfs" [pid 7411] set_robust_list(0x555556dec5e0, 24 [pid 7410] <... symlink resumed>) = 0 [pid 7411] <... set_robust_list resumed>) = 0 [pid 7411] chdir("./111" [pid 7410] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] <... chdir resumed>) = 0 [pid 7410] <... futex resumed>) = 0 [pid 7411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7411] <... prctl resumed>) = 0 [pid 7410] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] <... umount2 resumed>) = 0 [pid 7411] setpgid(0, 0 [pid 7410] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7411] <... setpgid resumed>) = 0 [pid 7410] <... mprotect resumed>) = 0 [pid 5011] lstat("./112/file0", [pid 7411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7410] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7411] <... openat resumed>) = 3 [pid 5011] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7412 attached [pid 7411] write(3, "1000", 4 [pid 5011] fstat(4, [pid 7412] set_robust_list(0x7f76b0b769e0, 24 [pid 7411] <... write resumed>) = 4 [pid 7410] <... clone resumed>, parent_tid=[7412], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7412 [pid 7412] <... set_robust_list resumed>) = 0 [pid 7411] close(3 [pid 7410] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7412] memfd_create("syzkaller", 0 [pid 7411] <... close resumed>) = 0 [pid 7410] <... futex resumed>) = 0 [pid 7412] <... memfd_create resumed>) = 3 [pid 7411] symlink("/dev/binderfs", "./binderfs" [pid 7410] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] getdents64(4, [pid 7412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7411] <... symlink resumed>) = 0 [pid 7411] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7412] <... mmap resumed>) = 0x7f76a8756000 [pid 7411] <... futex resumed>) = 0 [pid 5011] getdents64(4, [pid 7411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7411] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5011] close(4 [pid 7411] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... close resumed>) = 0 [pid 7411] <... clone resumed>, parent_tid=[7413], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7413 [pid 5011] rmdir("./112/file0" [pid 7411] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7411] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... rmdir resumed>) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./112") = 0 [pid 5011] mkdir("./113", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 ./strace-static-x86_64: Process 7413 attached [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7413] set_robust_list(0x7f76b0b769e0, 24 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] close(3 [pid 7413] <... set_robust_list resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7414 [pid 7413] memfd_create("syzkaller", 0) = 3 [pid 7413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5012] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7414 attached [pid 7414] set_robust_list(0x555556dec5e0, 24 [pid 5008] <... umount2 resumed>) = 0 [pid 7414] <... set_robust_list resumed>) = 0 [pid 7414] chdir("./113" [pid 5008] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7414] <... chdir resumed>) = 0 [pid 7414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7414] setpgid(0, 0 [pid 5008] lstat("./110/file0", [pid 7414] <... setpgid resumed>) = 0 [pid 5012] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7414] <... openat resumed>) = 3 [pid 5012] lstat("./112/file0", [pid 7414] write(3, "1000", 4 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7414] <... write resumed>) = 4 [pid 5012] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 4 [pid 7414] close(3 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7414] <... close resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(4, [pid 7414] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... openat resumed>) = 4 [pid 7414] <... symlink resumed>) = 0 [pid 5012] fstat(4, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7414] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7414] <... futex resumed>) = 0 [pid 5012] getdents64(4, [pid 5008] getdents64(4, [pid 7414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7414] <... mmap resumed>) = 0x7f76b0b56000 [pid 5012] getdents64(4, [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7414] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7414] <... mprotect resumed>) = 0 [pid 5012] close(4 [pid 5008] getdents64(4, [pid 7414] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] rmdir("./112/file0"./strace-static-x86_64: Process 7415 attached [pid 7414] <... clone resumed>, parent_tid=[7415], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7415 [pid 7412] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] <... rmdir resumed>) = 0 [pid 5008] close(4 [pid 7415] set_robust_list(0x7f76b0b769e0, 24 [pid 7414] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(3, [pid 7415] <... set_robust_list resumed>) = 0 [pid 7414] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] <... close resumed>) = 0 [pid 7415] memfd_create("syzkaller", 0 [pid 7414] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] close(3 [pid 7415] <... memfd_create resumed>) = 3 [pid 5012] <... close resumed>) = 0 [pid 5008] rmdir("./110/file0" [pid 7415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] rmdir("./112" [pid 7415] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] <... rmdir resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5012] mkdir("./113", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5008] getdents64(3, [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] close(3 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] <... close resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] close(3 [pid 7413] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7416 [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./110"./strace-static-x86_64: Process 7416 attached ) = 0 [pid 5008] mkdir("./111", 0777 [pid 7416] set_robust_list(0x555556dec5e0, 24 [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7416] <... set_robust_list resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7416] chdir("./113" [pid 5008] close(3 [pid 7416] <... chdir resumed>) = 0 [pid 7416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... close resumed>) = 0 [pid 7416] <... prctl resumed>) = 0 [pid 7416] setpgid(0, 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7416] <... setpgid resumed>) = 0 [pid 7416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7416] write(3, "1000", 4) = 4 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7417 [pid 7416] close(3) = 0 [pid 7416] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7417 attached ) = 0 [pid 7417] set_robust_list(0x555556dec5e0, 24 [pid 7416] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... set_robust_list resumed>) = 0 [pid 7416] <... futex resumed>) = 0 [pid 7417] chdir("./111" [pid 7416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7417] <... chdir resumed>) = 0 [pid 7416] <... mmap resumed>) = 0x7f76b0b56000 [pid 7417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7416] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7417] <... prctl resumed>) = 0 [pid 7416] <... mprotect resumed>) = 0 [pid 7417] setpgid(0, 0 [pid 7416] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7417] <... setpgid resumed>) = 0 [pid 7417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7416] <... clone resumed>, parent_tid=[7418], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7418 [pid 7417] <... openat resumed>) = 3 [pid 7416] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] write(3, "1000", 4 [pid 7416] <... futex resumed>) = 0 [pid 7417] <... write resumed>) = 4 [pid 7416] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7417] close(3) = 0 [pid 7417] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7418 attached ) = 0 [pid 7418] set_robust_list(0x7f76b0b769e0, 24 [pid 7417] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] <... set_robust_list resumed>) = 0 [pid 7417] <... futex resumed>) = 0 [pid 7418] memfd_create("syzkaller", 0 [pid 7417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7418] <... memfd_create resumed>) = 3 [pid 7417] <... mmap resumed>) = 0x7f76b0b56000 [pid 7418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7417] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7418] <... mmap resumed>) = 0x7f76a8756000 [pid 7417] <... mprotect resumed>) = 0 [pid 7417] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7419 [pid 7417] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7417] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7419 attached [pid 7419] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7419] memfd_create("syzkaller", 0) = 3 [pid 7419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7415] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [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 7418] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7412] <... write resumed>) = 4194304 [pid 7412] munmap(0x7f76a8756000, 4194304) = 0 [pid 7412] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7412] ioctl(4, LOOP_SET_FD, 3 [pid 7413] <... write resumed>) = 4194304 [pid 7412] <... ioctl resumed>) = 0 [pid 7413] munmap(0x7f76a8756000, 4194304 [pid 7412] close(3 [pid 7413] <... munmap resumed>) = 0 [pid 7412] <... close resumed>) = 0 [pid 7415] <... write resumed>) = 4194304 [pid 7413] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7412] mkdir("./file0", 0777 [pid 7415] munmap(0x7f76a8756000, 4194304 [pid 7413] <... openat resumed>) = 4 [pid 7413] ioctl(4, LOOP_SET_FD, 3 [pid 7412] <... mkdir resumed>) = 0 [pid 7412] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7415] <... munmap resumed>) = 0 [pid 7415] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7413] <... ioctl resumed>) = 0 [pid 7415] ioctl(4, LOOP_SET_FD, 3 [ 237.839569][ T7412] loop2: detected capacity change from 0 to 8192 [ 237.872075][ T7413] loop1: detected capacity change from 0 to 8192 [pid 7413] close(3) = 0 [pid 7413] mkdir("./file0", 0777 [pid 7415] <... ioctl resumed>) = 0 [pid 7413] <... mkdir resumed>) = 0 [pid 7415] close(3 [pid 7413] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7415] <... close resumed>) = 0 [pid 7415] mkdir("./file0", 0777) = 0 [ 237.888097][ T7415] loop3: detected capacity change from 0 to 8192 [ 237.896493][ T7412] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 237.919028][ T7413] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7415] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7418] <... write resumed>) = 4194304 [pid 7418] munmap(0x7f76a8756000, 4194304 [pid 7419] <... write resumed>) = 4194304 [pid 7419] munmap(0x7f76a8756000, 4194304) = 0 [pid 7418] <... munmap resumed>) = 0 [pid 7419] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 237.929036][ T7412] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 237.938180][ T7415] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 237.953665][ T7413] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 237.954667][ T7415] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 237.974598][ T7412] REISERFS (device loop2): using ordered data mode [ 237.981363][ T7415] REISERFS (device loop3): using ordered data mode [pid 7419] ioctl(4, LOOP_SET_FD, 3 [pid 7418] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7419] <... ioctl resumed>) = 0 [pid 7419] close(3) = 0 [pid 7419] mkdir("./file0", 0777) = 0 [pid 7419] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7418] <... openat resumed>) = 4 [pid 7418] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7418] close(3) = 0 [pid 7418] mkdir("./file0", 0777) = 0 [ 237.985189][ T7419] loop0: detected capacity change from 0 to 8192 [ 237.988789][ T7415] reiserfs: using flush barriers [ 238.000260][ T7413] REISERFS (device loop1): using ordered data mode [ 238.003475][ T7412] reiserfs: using flush barriers [ 238.007234][ T7418] loop4: detected capacity change from 0 to 8192 [ 238.014684][ T7413] reiserfs: using flush barriers [ 238.023442][ T7415] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 238.026454][ T7412] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 238.040209][ T7415] REISERFS (device loop3): checking transaction log (loop3) [ 238.056593][ T7419] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 238.064376][ T7412] REISERFS (device loop2): checking transaction log (loop2) [ 238.078456][ T7413] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 238.084342][ T7419] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 238.109413][ T7419] REISERFS (device loop0): using ordered data mode [ 238.110367][ T7412] REISERFS (device loop2): Using r5 hash to sort names [ 238.116421][ T7418] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 238.123764][ T7412] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.136190][ T7419] reiserfs: using flush barriers [ 238.154990][ T7415] REISERFS (device loop3): Using r5 hash to sort names [ 238.155098][ T7413] REISERFS (device loop1): checking transaction log (loop1) [ 238.162011][ T7418] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7418] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7412] <... mount resumed>) = 0 [pid 7412] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7412] chdir("./file0") = 0 [pid 7412] ioctl(4, LOOP_CLR_FD) = 0 [pid 7412] close(4) = 0 [pid 7412] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = 0 [pid 7410] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7412] <... futex resumed>) = 1 [pid 7412] mkdir("./file1", 000) = 0 [pid 7412] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = 0 [pid 7410] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7412] <... futex resumed>) = 1 [pid 7412] mkdir("./bus", 000) = 0 [pid 7412] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = 0 [pid 7410] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7412] <... futex resumed>) = 1 [ 238.171467][ T7419] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 238.179030][ T7415] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.195992][ T7419] REISERFS (device loop0): checking transaction log (loop0) [ 238.208949][ T7412] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 238.216496][ T7419] REISERFS (device loop0): Using r5 hash to sort names [ 238.232934][ T7418] REISERFS (device loop4): using ordered data mode [ 238.240342][ T7412] overlayfs: upper fs needs to support d_type. [ 238.246207][ T7419] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.251280][ T7412] overlayfs: upper fs does not support tmpfile. [ 238.266866][ T7413] REISERFS (device loop1): Using r5 hash to sort names [ 238.275038][ T7419] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 238.275813][ T7418] reiserfs: using flush barriers [pid 7412] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7419] <... mount resumed>) = 0 [pid 7410] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7410] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7410] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7410] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7425], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7425 [pid 7410] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7419] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7415] <... mount resumed>) = 0 [pid 7419] <... openat resumed>) = 3 [pid 7415] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7419] chdir("./file0" [pid 7415] chdir("./file0" [pid 7419] <... chdir resumed>) = 0 [pid 7415] <... chdir resumed>) = 0 [pid 7419] ioctl(4, LOOP_CLR_FD [pid 7415] ioctl(4, LOOP_CLR_FD [pid 7419] <... ioctl resumed>) = 0 [pid 7415] <... ioctl resumed>) = 0 [pid 7419] close(4 [pid 7415] close(4 [pid 7419] <... close resumed>) = 0 [pid 7415] <... close resumed>) = 0 [pid 7419] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... futex resumed>) = 1 [pid 7417] <... futex resumed>) = 0 [pid 7419] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7417] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] <... futex resumed>) = 1 [pid 7414] <... futex resumed>) = 0 [pid 7419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7417] <... futex resumed>) = 0 [pid 7414] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7414] <... futex resumed>) = 0 [pid 7414] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7415] mkdir("./file1", 000 [pid 7419] mkdir("./file1", 000 [pid 7415] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7425 attached [pid 7419] <... mkdir resumed>) = 0 [pid 7419] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 238.285150][ T7415] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 238.293755][ T7413] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.301097][ T7412] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 238.327958][ T7412] overlayfs: failed to resolve './file0': -2 [pid 7415] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... futex resumed>) = 1 [pid 7417] <... futex resumed>) = 0 [pid 7425] set_robust_list(0x7f76a8b559e0, 24 [pid 7419] mkdir("./bus", 000 [pid 7417] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] <... futex resumed>) = 0 [pid 7414] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7413] <... mount resumed>) = 0 [pid 7412] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7419] <... mkdir resumed>) = 0 [pid 7415] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7413] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7412] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] <... openat resumed>) = 3 [pid 7412] <... futex resumed>) = 0 [pid 7419] <... futex resumed>) = 0 [pid 7413] chdir("./file0" [pid 7412] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7419] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7413] <... chdir resumed>) = 0 [pid 7413] ioctl(4, LOOP_CLR_FD) = 0 [pid 7413] close(4 [pid 7425] <... set_robust_list resumed>) = 0 [pid 7419] <... futex resumed>) = 0 [pid 7417] <... futex resumed>) = 1 [pid 7414] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] <... close resumed>) = 0 [ 238.338800][ T7413] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 238.339169][ T7418] 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 [ 238.373434][ T7418] REISERFS (device loop4): checking transaction log (loop4) [ 238.382623][ T7418] REISERFS (device loop4): Using r5 hash to sort names [pid 7419] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7413] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7425] mkdir(".", 0777 [pid 7417] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7415] <... futex resumed>) = 0 [pid 7414] <... futex resumed>) = 1 [pid 7413] <... futex resumed>) = 1 [pid 7413] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7425] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7415] mkdir("./bus", 000 [pid 7414] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7411] <... futex resumed>) = 0 [pid 7425] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7417] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... futex resumed>) = 0 [pid 7417] <... futex resumed>) = 1 [pid 7415] <... mkdir resumed>) = 0 [pid 7411] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 238.406631][ T7418] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.420581][ T7418] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 238.435983][ T7419] overlayfs: upper fs needs to support d_type. [ 238.438645][ T7425] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7419] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7417] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7415] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] <... futex resumed>) = 0 [pid 7411] <... futex resumed>) = 1 [pid 7425] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7418] <... mount resumed>) = 0 [pid 7415] <... futex resumed>) = 1 [pid 7414] <... futex resumed>) = 0 [pid 7413] mkdir("./file1", 000 [pid 7411] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7425] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7415] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7413] <... mkdir resumed>) = 0 [pid 7413] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7413] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7414] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7425] <... futex resumed>) = 1 [pid 7418] <... openat resumed>) = 3 [pid 7415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7410] <... futex resumed>) = 0 [pid 7414] <... futex resumed>) = 0 [pid 7425] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7418] chdir("./file0" [pid 7415] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7411] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] exit_group(0 [pid 7418] <... chdir resumed>) = 0 [pid 7414] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7425] <... futex resumed>) = ? [pid 7418] ioctl(4, LOOP_CLR_FD [pid 7413] <... futex resumed>) = 0 [pid 7412] <... futex resumed>) = ? [pid 7411] <... futex resumed>) = 1 [pid 7410] <... exit_group resumed>) = ? [pid 7413] mkdir("./bus", 000 [pid 7412] +++ exited with 0 +++ [pid 7413] <... mkdir resumed>) = 0 [pid 7411] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7413] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7413] <... futex resumed>) = 0 [pid 7411] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7425] +++ exited with 0 +++ [pid 7418] <... ioctl resumed>) = 0 [ 238.442567][ T7419] overlayfs: upper fs does not support tmpfile. [ 238.466017][ T7419] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 238.474763][ T7419] overlayfs: failed to resolve './file0': -2 [ 238.486844][ T7415] overlayfs: upper fs needs to support d_type. [ 238.493111][ T7415] overlayfs: upper fs does not support tmpfile. [pid 7413] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7411] <... futex resumed>) = 0 [pid 7410] +++ exited with 0 +++ [pid 7418] close(4 [pid 7417] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7411] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7418] <... close resumed>) = 0 [pid 7417] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7410, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=27 /* 0.27 s */} --- [pid 7419] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... futex resumed>) = 0 [pid 7414] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 7419] <... futex resumed>) = 0 [pid 7418] <... futex resumed>) = 1 [pid 7417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7416] <... futex resumed>) = 0 [pid 7414] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... restart_syscall resumed>) = 0 [pid 7419] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7418] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7417] <... mmap resumed>) = 0x7f76a8b35000 [pid 7416] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... futex resumed>) = 0 [pid 7418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7417] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7416] <... futex resumed>) = 0 [pid 7415] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7418] mkdir("./file1", 000 [pid 7417] <... mprotect resumed>) = 0 [pid 7416] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7415] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... mmap resumed>) = 0x7f76a8b35000 [pid 5010] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7418] <... mkdir resumed>) = 0 [pid 7417] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7415] <... futex resumed>) = 0 [pid 7414] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, [pid 7418] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7414] <... mprotect resumed>) = 0 [pid 5010] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7418] <... futex resumed>) = 1 [pid 7417] <... clone resumed>, parent_tid=[7426], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7426 [pid 7416] <... futex resumed>) = 0 [pid 7414] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] lstat("./112/binderfs", ./strace-static-x86_64: Process 7426 attached [ 238.506455][ T7413] overlayfs: upper fs needs to support d_type. [ 238.512616][ T7415] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 238.516668][ T7413] overlayfs: upper fs does not support tmpfile. [ 238.522124][ T7415] overlayfs: failed to resolve './file0': -2 [ 238.547228][ T7413] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7418] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7417] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7426] set_robust_list(0x7f76a8b559e0, 24 [pid 7411] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] unlink("./112/binderfs" [pid 7426] <... set_robust_list resumed>) = 0 [pid 7411] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... unlink resumed>) = 0 [pid 7426] mkdir(".", 0777 [pid 7411] <... futex resumed>) = 0 [pid 5010] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7426] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7417] <... futex resumed>) = 0 [pid 7416] <... futex resumed>) = 0 [pid 7414] <... clone resumed>, parent_tid=[7427], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7427 [pid 7411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7427 attached [pid 7426] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7411] <... mmap resumed>) = 0x7f76a8b35000 [pid 7427] set_robust_list(0x7f76a8b559e0, 24 [pid 7418] mkdir("./bus", 000 [pid 7417] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7416] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7414] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7427] <... set_robust_list resumed>) = 0 [pid 7418] <... mkdir resumed>) = 0 [pid 7414] <... futex resumed>) = 0 [pid 7411] <... mprotect resumed>) = 0 [pid 7427] mkdir(".", 0777 [pid 7418] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7411] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7418] <... futex resumed>) = 1 [pid 7416] <... futex resumed>) = 0 [pid 7418] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7416] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7416] <... futex resumed>) = 0 [pid 7418] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7416] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7427] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7413] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7413] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 238.564498][ T7413] overlayfs: failed to resolve './file0': -2 [ 238.587815][ T7426] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 238.602903][ T7418] overlayfs: upper fs needs to support d_type. [pid 7413] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7427] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7411] <... clone resumed>, parent_tid=[7428], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7428 [pid 7411] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7428 attached [pid 7427] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7426] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7411] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7428] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7428] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7428] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7427] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] <... futex resumed>) = 1 [pid 7426] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7417] <... futex resumed>) = 0 [pid 7416] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7427] <... futex resumed>) = 1 [pid 7417] exit_group(0 [pid 7416] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... futex resumed>) = 0 [pid 7419] <... futex resumed>) = ? [pid 7417] <... exit_group resumed>) = ? [pid 7416] <... futex resumed>) = 0 [pid 7414] exit_group(0 [pid 7426] <... futex resumed>) = ? [pid 7419] +++ exited with 0 +++ [pid 7416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7415] <... futex resumed>) = ? [pid 7414] <... exit_group resumed>) = ? [pid 7416] <... mmap resumed>) = 0x7f76a8b35000 [ 238.610253][ T7418] overlayfs: upper fs does not support tmpfile. [ 238.618649][ T7418] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 238.625042][ T7427] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 238.628617][ T7418] overlayfs: failed to resolve './file0': -2 [pid 7415] +++ exited with 0 +++ [pid 7426] +++ exited with 0 +++ [pid 7417] +++ exited with 0 +++ [pid 7416] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7427] +++ exited with 0 +++ [pid 7418] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7416] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7414] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7417, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7418] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7416] <... clone resumed>, parent_tid=[7429], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7429 [pid 7418] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7416] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7414, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5010] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7429 attached [pid 7416] <... futex resumed>) = 0 [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 7429] set_robust_list(0x7f76a8b559e0, 24 [pid 7416] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7429] <... set_robust_list resumed>) = 0 [pid 5011] <... restart_syscall resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./112/file0", [pid 7429] mkdir(".", 0777 [pid 5011] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7429] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5011] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7429] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5011] <... openat resumed>) = 3 [pid 5011] fstat(3, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 3 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, [pid 5010] <... openat resumed>) = 4 [pid 5008] getdents64(3, [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] fstat(4, [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] getdents64(4, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./113/binderfs", [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] lstat("./111/binderfs", [pid 5010] getdents64(4, [pid 5011] unlink("./113/binderfs" [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5008] unlink("./111/binderfs" [pid 5010] close(4 [pid 5008] <... unlink resumed>) = 0 [pid 5011] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... close resumed>) = 0 [pid 5008] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7428] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7428] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] <... futex resumed>) = 0 [pid 7411] exit_group(0 [pid 7413] <... futex resumed>) = ? [pid 7411] <... exit_group resumed>) = ? [pid 7413] +++ exited with 0 +++ [pid 7428] <... futex resumed>) = ? [pid 7428] +++ exited with 0 +++ [pid 7411] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7411, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5010] rmdir("./112/file0") = 0 [pid 5009] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] getdents64(3, [pid 5009] <... openat resumed>) = 3 [pid 5009] fstat(3, [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] close(3 [pid 5009] getdents64(3, [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./112" [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... rmdir resumed>) = 0 [pid 5010] mkdir("./113", 0777 [pid 5009] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] <... mkdir resumed>) = 0 [pid 5009] lstat("./111/binderfs", [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] unlink("./111/binderfs" [pid 7429] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... unlink resumed>) = 0 [pid 7429] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] close(3 [pid 5009] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7429] <... futex resumed>) = 1 [pid 5010] <... close resumed>) = 0 [pid 7429] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7416] <... futex resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7416] exit_group(0 [pid 7418] <... futex resumed>) = ? [pid 7416] <... exit_group resumed>) = ? [pid 7429] <... futex resumed>) = ? [pid 7418] +++ exited with 0 +++ [ 238.676474][ T7428] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 238.710121][ T7429] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7430 [pid 7429] +++ exited with 0 +++ [pid 7416] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7416, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5012] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 7430 attached [pid 5012] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7430] set_robust_list(0x555556dec5e0, 24 [pid 5012] lstat("./113/binderfs", [pid 7430] <... set_robust_list resumed>) = 0 [pid 7430] chdir("./113" [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./113/binderfs" [pid 7430] <... chdir resumed>) = 0 [pid 5012] <... unlink resumed>) = 0 [pid 7430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7430] <... prctl resumed>) = 0 [pid 7430] setpgid(0, 0) = 0 [pid 7430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7430] write(3, "1000", 4) = 4 [pid 7430] close(3) = 0 [pid 7430] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7430] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7430] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7430] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7431], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7431 [pid 7430] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7430] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7431 attached [pid 7431] set_robust_list(0x7f76b0b769e0, 24 [pid 5008] <... umount2 resumed>) = 0 [pid 7431] <... set_robust_list resumed>) = 0 [pid 7431] memfd_create("syzkaller", 0) = 3 [pid 7431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5008] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./111/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./111/file0", 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, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./111/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./111") = 0 [pid 5008] mkdir("./112", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", 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=0x555556dec5d0) = 7432 ./strace-static-x86_64: Process 7432 attached [pid 7432] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7432] chdir("./112") = 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 [pid 5012] <... umount2 resumed>) = 0 [pid 7432] <... openat resumed>) = 3 [pid 7432] write(3, "1000", 4) = 4 [pid 7432] close(3) = 0 [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./113/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7432] symlink("/dev/binderfs", "./binderfs" [pid 5011] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7432] <... symlink resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7432] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... openat resumed>) = 4 [pid 5011] fstat(4, [pid 7432] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7432] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5011] getdents64(4, [pid 7432] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, [pid 7432] <... clone resumed>, parent_tid=[7433], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7433 [pid 7432] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4 [pid 7432] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... close resumed>) = 0 [pid 5011] rmdir("./113/file0") = 0 [pid 5012] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] getdents64(3, [pid 5012] lstat("./113/file0", [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7431] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7433 attached [pid 5012] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] close(3 [pid 5009] <... umount2 resumed>) = 0 [pid 7433] set_robust_list(0x7f76b0b769e0, 24 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7433] <... set_robust_list resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7433] memfd_create("syzkaller", 0 [pid 5012] <... openat resumed>) = 4 [pid 5009] lstat("./111/file0", [pid 7433] <... memfd_create resumed>) = 3 [pid 5012] fstat(4, [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7433] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] getdents64(4, [pid 5009] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] getdents64(4, [pid 5009] openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] rmdir("./113" [pid 5009] <... openat resumed>) = 4 [pid 5012] close(4 [pid 5009] fstat(4, [pid 5012] <... close resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] rmdir("./113/file0" [pid 5011] mkdir("./114", 0777 [pid 5009] getdents64(4, [pid 5012] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(3, [pid 5011] <... mkdir resumed>) = 0 [pid 5009] getdents64(4, [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5012] close(3 [pid 5009] close(4 [pid 5012] <... close resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = 0 [pid 5012] rmdir("./113" [pid 5009] rmdir("./111/file0" [pid 5012] <... rmdir resumed>) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5009] <... rmdir resumed>) = 0 [pid 5012] mkdir("./114", 0777 [pid 5009] getdents64(3, [pid 5012] <... mkdir resumed>) = 0 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5009] close(3 [pid 5012] <... openat resumed>) = 3 [pid 5011] close(3 [pid 5009] <... close resumed>) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5009] rmdir("./111" [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... close resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5012] close(3 [pid 5009] mkdir("./112", 0777 [pid 5012] <... close resumed>) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7434 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7435 ./strace-static-x86_64: Process 7435 attached [pid 7435] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7435] chdir("./112") = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7435] setpgid(0, 0) = 0 [pid 7435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7436 [pid 7435] write(3, "1000", 4 [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./strace-static-x86_64: Process 7436 attached ./strace-static-x86_64: Process 7434 attached [pid 7435] <... write resumed>) = 4 [pid 7435] close(3 [pid 7436] set_robust_list(0x555556dec5e0, 24 [pid 7435] <... close resumed>) = 0 [pid 7436] <... set_robust_list resumed>) = 0 [pid 7435] symlink("/dev/binderfs", "./binderfs" [pid 7434] set_robust_list(0x555556dec5e0, 24 [pid 7436] chdir("./114" [pid 7435] <... symlink resumed>) = 0 [pid 7434] <... set_robust_list resumed>) = 0 [pid 7436] <... chdir resumed>) = 0 [pid 7435] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] chdir("./114" [pid 7431] <... write resumed>) = 4194304 [pid 7435] <... futex resumed>) = 0 [pid 7434] <... chdir resumed>) = 0 [pid 7436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7431] munmap(0x7f76a8756000, 4194304 [pid 7435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7436] <... prctl resumed>) = 0 [pid 7435] <... mmap resumed>) = 0x7f76b0b56000 [pid 7435] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7436] setpgid(0, 0 [pid 7435] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7431] <... munmap resumed>) = 0 [pid 7436] <... setpgid resumed>) = 0 [pid 7435] <... clone resumed>, parent_tid=[7437], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7437 [pid 7434] <... prctl resumed>) = 0 [pid 7431] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7435] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] setpgid(0, 0 [pid 7431] <... openat resumed>) = 4 [pid 7436] <... openat resumed>) = 3 [pid 7435] <... futex resumed>) = 0 [pid 7434] <... setpgid resumed>) = 0 [pid 7431] ioctl(4, LOOP_SET_FD, 3 [pid 7436] write(3, "1000", 4 [pid 7435] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7436] <... write resumed>) = 4 [pid 7434] write(3, "1000", 4 [pid 7436] close(3 [pid 7434] <... write resumed>) = 4 [pid 7436] <... close resumed>) = 0 [pid 7434] close(3 [pid 7436] symlink("/dev/binderfs", "./binderfs" [pid 7434] <... close resumed>) = 0 [pid 7436] <... symlink resumed>) = 0 [pid 7434] symlink("/dev/binderfs", "./binderfs" [pid 7436] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7434] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 7437 attached [pid 7436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7434] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... mmap resumed>) = 0x7f76b0b56000 [pid 7437] set_robust_list(0x7f76b0b769e0, 24 [pid 7434] <... futex resumed>) = 0 [pid 7431] <... ioctl resumed>) = 0 [pid 7437] <... set_robust_list resumed>) = 0 [pid 7436] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7431] close(3 [pid 7436] <... mprotect resumed>) = 0 [pid 7434] <... mmap resumed>) = 0x7f76b0b56000 [pid 7437] memfd_create("syzkaller", 0 [pid 7436] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7434] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7431] <... close resumed>) = 0 [pid 7437] <... memfd_create resumed>) = 3 [pid 7434] <... mprotect resumed>) = 0 [pid 7431] mkdir("./file0", 0777 [pid 7437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7436] <... clone resumed>, parent_tid=[7438], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7438 [pid 7434] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7431] <... mkdir resumed>) = 0 [pid 7437] <... mmap resumed>) = 0x7f76a8756000 [pid 7436] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7439 attached ./strace-static-x86_64: Process 7438 attached [pid 7438] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7438] memfd_create("syzkaller", 0 [pid 7436] <... futex resumed>) = 0 [pid 7434] <... clone resumed>, parent_tid=[7439], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7439 [pid 7439] set_robust_list(0x7f76b0b769e0, 24 [pid 7438] <... memfd_create resumed>) = 3 [pid 7436] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7434] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] <... set_robust_list resumed>) = 0 [pid 7438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7434] <... futex resumed>) = 0 [pid 7438] <... mmap resumed>) = 0x7f76a8756000 [pid 7439] memfd_create("syzkaller", 0 [pid 7434] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7433] <... write resumed>) = 4194304 [pid 7439] <... memfd_create resumed>) = 3 [ 239.065036][ T7431] loop2: detected capacity change from 0 to 8192 [pid 7439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7433] munmap(0x7f76a8756000, 4194304) = 0 [ 239.124552][ T7431] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7433] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7433] ioctl(4, LOOP_SET_FD, 3 [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 7433] <... ioctl resumed>) = 0 [pid 7433] close(3) = 0 [pid 7433] mkdir("./file0", 0777) = 0 [pid 7433] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [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 [ 239.177719][ T7431] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 239.189331][ T7433] loop0: detected capacity change from 0 to 8192 [ 239.190889][ T7431] REISERFS (device loop2): using ordered data mode [ 239.204233][ T7431] reiserfs: using flush barriers [pid 7437] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [ 239.222559][ T7431] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.243049][ T7433] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7439] <... write resumed>) = 4194304 [pid 7439] munmap(0x7f76a8756000, 4194304 [pid 7437] munmap(0x7f76a8756000, 4194304 [pid 7439] <... munmap resumed>) = 0 [pid 7437] <... munmap resumed>) = 0 [pid 7439] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7439] ioctl(4, LOOP_SET_FD, 3 [pid 7437] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 239.296094][ T7433] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 239.310995][ T7431] REISERFS (device loop2): checking transaction log (loop2) [ 239.319045][ T7433] REISERFS (device loop0): using ordered data mode [ 239.326376][ T7433] reiserfs: using flush barriers [ 239.330064][ T7439] loop4: detected capacity change from 0 to 8192 [ 239.331487][ T7431] REISERFS (device loop2): Using r5 hash to sort names [pid 7437] ioctl(4, LOOP_SET_FD, 3 [pid 7439] <... ioctl resumed>) = 0 [pid 7431] <... mount resumed>) = 0 [pid 7439] close(3 [pid 7431] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7439] <... close resumed>) = 0 [pid 7431] <... openat resumed>) = 3 [pid 7439] mkdir("./file0", 0777 [pid 7431] chdir("./file0" [pid 7439] <... mkdir resumed>) = 0 [pid 7431] <... chdir resumed>) = 0 [pid 7439] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7431] ioctl(4, LOOP_CLR_FD) = 0 [ 239.343083][ T7437] loop1: detected capacity change from 0 to 8192 [ 239.347300][ T7431] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.351403][ T7433] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.364558][ T7431] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7431] close(4 [pid 7438] <... write resumed>) = 4194304 [pid 7437] <... ioctl resumed>) = 0 [pid 7431] <... close resumed>) = 0 [pid 7438] munmap(0x7f76a8756000, 4194304 [pid 7437] close(3 [pid 7431] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] <... close resumed>) = 0 [pid 7438] <... munmap resumed>) = 0 [pid 7437] mkdir("./file0", 0777 [pid 7431] <... futex resumed>) = 1 [pid 7430] <... futex resumed>) = 0 [pid 7438] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7437] <... mkdir resumed>) = 0 [pid 7431] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7430] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] <... openat resumed>) = 4 [pid 7437] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7430] <... futex resumed>) = 0 [pid 7438] ioctl(4, LOOP_SET_FD, 3 [pid 7431] mkdir("./file1", 000 [ 239.407292][ T7433] REISERFS (device loop0): checking transaction log (loop0) [ 239.416120][ T7439] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.430974][ T7433] REISERFS (device loop0): Using r5 hash to sort names [ 239.446602][ T7438] loop3: detected capacity change from 0 to 8192 [pid 7430] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7431] <... mkdir resumed>) = 0 [pid 7431] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7430] <... futex resumed>) = 0 [pid 7438] <... ioctl resumed>) = 0 [pid 7431] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 239.448875][ T7439] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 239.463614][ T7437] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.464540][ T7439] REISERFS (device loop4): using ordered data mode [ 239.477987][ T7433] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.484684][ T7439] reiserfs: using flush barriers [pid 7430] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] <... mount resumed>) = 0 [pid 7433] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7433] chdir("./file0") = 0 [pid 7433] ioctl(4, LOOP_CLR_FD) = 0 [pid 7433] close(4) = 0 [pid 7433] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] <... futex resumed>) = 0 [pid 7432] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7432] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7433] <... futex resumed>) = 1 [pid 7438] close(3 [pid 7431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7430] <... futex resumed>) = 0 [pid 7433] mkdir("./file1", 000) = 0 [pid 7433] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] <... futex resumed>) = 0 [pid 7432] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7432] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7433] <... futex resumed>) = 1 [pid 7433] mkdir("./bus", 000) = 0 [pid 7433] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] <... futex resumed>) = 0 [pid 7432] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7432] futex(0x7f76b0c5076c, 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,nfs_export=on," [pid 7438] <... close resumed>) = 0 [pid 7431] mkdir("./bus", 000 [pid 7430] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 239.501614][ T7437] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 239.505200][ T7439] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.511003][ T7433] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 239.541538][ T7437] REISERFS (device loop1): using ordered data mode [ 239.550018][ T7433] overlayfs: upper fs needs to support d_type. [pid 7438] mkdir("./file0", 0777) = 0 [pid 7431] <... mkdir resumed>) = 0 [pid 7438] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7431] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7430] <... futex resumed>) = 0 [pid 7431] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7430] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7431] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7430] <... futex resumed>) = 0 [pid 7432] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7432] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 239.555965][ T7439] REISERFS (device loop4): checking transaction log (loop4) [ 239.557233][ T7433] overlayfs: upper fs does not support tmpfile. [ 239.566548][ T7439] REISERFS (device loop4): Using r5 hash to sort names [ 239.571182][ T7437] reiserfs: using flush barriers [ 239.584605][ T7433] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7432] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7432] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7430] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7432] <... clone resumed>, parent_tid=[7446], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7446 [pid 7432] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7432] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7446 attached [pid 7446] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7446] mkdir(".", 0777) = -1 EEXIST (File exists) [ 239.598780][ T7438] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.601051][ T7433] overlayfs: failed to resolve './file0': -2 [ 239.613106][ T7431] overlayfs: upper fs needs to support d_type. [ 239.625026][ T7437] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.645415][ T7446] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7446] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7430] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7433] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7433] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7430] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7446] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7430] <... futex resumed>) = 0 [pid 7430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7430] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7430] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7446] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] <... clone resumed>, parent_tid=[7448], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7448 [pid 7432] <... futex resumed>) = 0 [pid 7432] exit_group(0 [pid 7433] <... futex resumed>) = ? [pid 7432] <... exit_group resumed>) = ? [pid 7433] +++ exited with 0 +++ [pid 7446] <... futex resumed>) = ? [pid 7446] +++ exited with 0 +++ [pid 7432] +++ exited with 0 +++ [pid 7430] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7448 attached ) = 0 [pid 7430] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7432, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 7448] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 5008] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7448] mkdir(".", 0777 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7448] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7448] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 239.646324][ T7431] overlayfs: upper fs does not support tmpfile. [ 239.659611][ T7439] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.666064][ T7438] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 239.698279][ T7437] REISERFS (device loop1): checking transaction log (loop1) [pid 5008] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, [pid 7439] <... mount resumed>) = 0 [pid 7439] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7439] chdir("./file0") = 0 [pid 7439] ioctl(4, LOOP_CLR_FD) = 0 [pid 7439] close(4 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./112/binderfs") = 0 [pid 7439] <... close resumed>) = 0 [pid 7439] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 239.708877][ T7431] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 239.712881][ T7439] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 239.719466][ T7431] overlayfs: failed to resolve './file0': -2 [ 239.727311][ T7438] REISERFS (device loop3): using ordered data mode [ 239.734406][ T7437] REISERFS (device loop1): Using r5 hash to sort names [pid 7439] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7434] <... futex resumed>) = 0 [pid 7434] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5008] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7434] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7439] <... futex resumed>) = 0 [pid 7439] mkdir("./file1", 000) = 0 [pid 7439] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7439] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7434] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] <... futex resumed>) = 0 [pid 7434] <... futex resumed>) = 1 [pid 7439] mkdir("./bus", 000) = 0 [pid 7434] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7439] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7434] <... futex resumed>) = 0 [pid 7439] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7434] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7434] <... futex resumed>) = 0 [ 239.753808][ T7448] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 239.784564][ T7438] reiserfs: using flush barriers [ 239.791725][ T7437] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7431] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7448] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7434] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7448] <... futex resumed>) = 1 [pid 7431] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] <... futex resumed>) = 0 [pid 7448] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7431] <... futex resumed>) = 0 [pid 7430] exit_group(0 [pid 7431] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7430] <... exit_group resumed>) = ? [pid 7448] <... futex resumed>) = ? [pid 7431] <... futex resumed>) = ? [pid 7448] +++ exited with 0 +++ [pid 7431] +++ exited with 0 +++ [pid 7430] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7430, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} --- [pid 5010] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7437] <... mount resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [ 239.794598][ T7439] overlayfs: upper fs needs to support d_type. [ 239.805391][ T7438] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.827409][ T7437] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 239.843670][ T7438] REISERFS (device loop3): checking transaction log (loop3) [ 239.853178][ T7439] overlayfs: upper fs does not support tmpfile. [pid 7437] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5010] fstat(3, [pid 7437] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7437] chdir("./file0" [pid 5010] getdents64(3, [pid 7437] <... chdir resumed>) = 0 [pid 7437] ioctl(4, LOOP_CLR_FD [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7437] <... ioctl resumed>) = 0 [pid 5010] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7437] close(4 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7437] <... close resumed>) = 0 [pid 7434] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] lstat("./113/binderfs", [pid 7437] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7439] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7437] <... futex resumed>) = 1 [pid 7435] <... futex resumed>) = 0 [pid 7434] <... mmap resumed>) = 0x7f76a8b35000 [pid 7439] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7435] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5010] unlink("./113/binderfs" [pid 7434] <... mprotect resumed>) = 0 [pid 7434] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7449 [pid 7439] <... futex resumed>) = 0 [pid 7437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7435] <... futex resumed>) = 0 [pid 7434] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... unlink resumed>) = 0 [pid 7439] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7437] mkdir("./file1", 000 [pid 7435] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7434] <... futex resumed>) = 0 [pid 7434] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7449 attached [pid 7449] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7449] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7449] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7437] <... mkdir resumed>) = 0 [pid 7437] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7435] <... futex resumed>) = 0 [pid 7437] mkdir("./bus", 000 [pid 7435] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] <... mkdir resumed>) = 0 [pid 7435] <... futex resumed>) = 0 [pid 7437] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7437] <... futex resumed>) = 0 [pid 7435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7437] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7435] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7435] <... futex resumed>) = 0 [pid 7437] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 239.860969][ T7439] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 239.872529][ T7439] overlayfs: failed to resolve './file0': -2 [ 239.885035][ T7438] REISERFS (device loop3): Using r5 hash to sort names [ 239.893977][ T7438] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7435] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7435] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 239.930552][ T7437] overlayfs: upper fs needs to support d_type. [ 239.932281][ T7449] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 239.951766][ T7437] overlayfs: upper fs does not support tmpfile. [pid 7435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7435] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7435] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7450], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7450 [pid 7435] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7435] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7450 attached [pid 7450] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7450] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7450] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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 7438] <... mount resumed>) = 0 [pid 5008] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7438] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7438] chdir("./file0" [pid 5008] lstat("./112/file0", [pid 7438] <... chdir resumed>) = 0 [pid 7438] ioctl(4, LOOP_CLR_FD [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7438] <... ioctl resumed>) = 0 [pid 7438] close(4 [pid 5008] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./112/file0", 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, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./112/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 7449] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7438] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 7449] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] rmdir("./112" [pid 7449] <... futex resumed>) = 1 [pid 7438] <... futex resumed>) = 1 [pid 7436] <... futex resumed>) = 0 [pid 7434] <... futex resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [ 239.974448][ T7437] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 239.996558][ T7438] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 240.016512][ T7450] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7449] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7438] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7436] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] exit_group(0 [pid 5008] mkdir("./113", 0777 [pid 7449] <... futex resumed>) = ? [pid 7439] <... futex resumed>) = ? [pid 7438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7436] <... futex resumed>) = 0 [pid 7434] <... exit_group resumed>) = ? [pid 5008] <... mkdir resumed>) = 0 [pid 7449] +++ exited with 0 +++ [pid 7439] +++ exited with 0 +++ [pid 7438] mkdir("./file1", 000 [pid 7436] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7434] +++ exited with 0 +++ [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7438] <... mkdir resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7438] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7434, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7438] <... futex resumed>) = 1 [pid 7436] <... futex resumed>) = 0 [pid 5012] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7438] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] close(3 [pid 5012] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... close resumed>) = 0 [pid 7438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7436] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... openat resumed>) = 3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7438] mkdir("./bus", 000 [pid 7436] <... futex resumed>) = 0 [pid 5012] fstat(3, [pid 7438] <... mkdir resumed>) = 0 [pid 7436] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7451 [pid 7438] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] getdents64(3, [pid 7438] <... futex resumed>) = 0 [pid 7436] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7438] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7436] <... futex resumed>) = 0 [pid 5012] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7451 attached [pid 7450] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7451] set_robust_list(0x555556dec5e0, 24 [pid 7450] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] lstat("./114/binderfs", [pid 7451] <... set_robust_list resumed>) = 0 [pid 7450] <... futex resumed>) = 1 [pid 7435] <... futex resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7451] chdir("./113" [pid 7450] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] unlink("./114/binderfs" [pid 7451] <... chdir resumed>) = 0 [pid 5012] <... unlink resumed>) = 0 [pid 7451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7451] <... prctl resumed>) = 0 [pid 7451] setpgid(0, 0 [pid 7436] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7451] <... setpgid resumed>) = 0 [pid 7451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7451] write(3, "1000", 4) = 4 [pid 7451] close(3) = 0 [pid 7451] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7451] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7451] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7451] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7452], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7452 [pid 7451] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7451] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7452 attached [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7452] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7452] memfd_create("syzkaller", 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7452] <... memfd_create resumed>) = 3 [pid 7437] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] lstat("./113/file0", [pid 7452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7437] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] <... mmap resumed>) = 0x7f76a8756000 [pid 7437] <... futex resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7437] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7435] exit_group(0 [ 240.089837][ T7437] overlayfs: failed to resolve './file0': -2 [ 240.096955][ T7438] overlayfs: upper fs needs to support d_type. [ 240.103393][ T7438] overlayfs: upper fs does not support tmpfile. [pid 5010] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7450] <... futex resumed>) = ? [pid 7437] <... futex resumed>) = ? [pid 7435] <... exit_group resumed>) = ? [pid 7450] +++ exited with 0 +++ [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7437] +++ exited with 0 +++ [pid 7435] +++ exited with 0 +++ [pid 5010] <... openat resumed>) = 4 [pid 5010] fstat(4, [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7435, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5010] getdents64(4, [pid 5009] <... restart_syscall resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7436] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] close(4 [pid 5009] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7436] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] rmdir("./113/file0" [pid 5009] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7436] <... mmap resumed>) = 0x7f76a8b35000 [pid 5010] <... rmdir resumed>) = 0 [pid 7436] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5010] getdents64(3, [pid 5009] <... openat resumed>) = 3 [pid 7436] <... mprotect resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] fstat(3, [pid 7436] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] close(3 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] getdents64(3, [pid 7436] <... clone resumed>, parent_tid=[7453], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7453 [pid 5010] rmdir("./113" [pid 7436] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... rmdir resumed>) = 0 [pid 7436] <... futex resumed>) = 0 [pid 5009] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7436] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] mkdir("./114", 0777 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... mkdir resumed>) = 0 [pid 5009] lstat("./112/binderfs", [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] unlink("./112/binderfs" [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] <... unlink resumed>) = 0 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7454 ./strace-static-x86_64: Process 7453 attached [pid 7453] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7453] mkdir(".", 0777./strace-static-x86_64: Process 7454 attached [pid 7454] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7454] chdir("./114" [pid 7453] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7454] <... chdir resumed>) = 0 [pid 7454] prctl(PR_SET_PDEATHSIG, SIGKILL [ 240.145988][ T7438] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 240.172625][ T7438] overlayfs: failed to resolve './file0': -2 [pid 7453] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7454] <... prctl resumed>) = 0 [pid 7454] setpgid(0, 0) = 0 [pid 7438] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7438] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7454] <... openat resumed>) = 3 [pid 7438] <... futex resumed>) = 0 [pid 7454] write(3, "1000", 4 [pid 7438] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] <... write resumed>) = 4 [pid 7454] close(3) = 0 [pid 7454] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5012] <... umount2 resumed>) = 0 [pid 7454] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7454] <... futex resumed>) = 0 [pid 5012] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7454] <... mmap resumed>) = 0x7f76b0b56000 [pid 5012] lstat("./114/file0", [pid 7454] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7454] <... mprotect resumed>) = 0 [pid 5012] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7454] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7454] <... clone resumed>, parent_tid=[7455], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7455 [pid 5012] <... openat resumed>) = 4 [pid 7454] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(4, [pid 7454] <... futex resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7454] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./114/file0") = 0 ./strace-static-x86_64: Process 7455 attached [pid 5012] getdents64(3, [pid 7455] set_robust_list(0x7f76b0b769e0, 24 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3 [pid 7455] <... set_robust_list resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5012] rmdir("./114") = 0 [pid 7455] memfd_create("syzkaller", 0 [pid 5012] mkdir("./115", 0777) = 0 [pid 7455] <... memfd_create resumed>) = 3 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7455] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 7455] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 7453] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7453] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... futex resumed>) = 0 [pid 7436] exit_group(0 [pid 7438] <... futex resumed>) = ? [pid 7436] <... exit_group resumed>) = ? [ 240.246391][ T7453] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7438] +++ exited with 0 +++ [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7456 [pid 7453] <... futex resumed>) = ? [pid 7453] +++ exited with 0 +++ [pid 7436] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7436, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- ./strace-static-x86_64: Process 7456 attached [pid 7456] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7456] chdir("./115") = 0 [pid 7456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7456] <... prctl resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7456] setpgid(0, 0 [pid 5011] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7456] <... setpgid resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 7456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] fstat(3, [pid 7456] <... openat resumed>) = 3 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, [pid 7456] write(3, "1000", 4 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7456] <... write resumed>) = 4 [pid 5011] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7456] close(3) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7456] symlink("/dev/binderfs", "./binderfs" [pid 5011] lstat("./114/binderfs", [pid 7456] <... symlink resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7456] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] unlink("./114/binderfs" [pid 7456] <... futex resumed>) = 0 [pid 7456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... unlink resumed>) = 0 [pid 7456] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7456] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 7456] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7456] <... clone resumed>, parent_tid=[7457], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7457 [pid 7456] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7456] <... futex resumed>) = 0 [pid 7456] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] lstat("./112/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7457 attached [pid 7457] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7457] memfd_create("syzkaller", 0 [pid 5009] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7457] <... memfd_create resumed>) = 3 [pid 7457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] <... openat resumed>) = 4 [pid 7457] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] fstat(4, [pid 7455] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./112/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./112") = 0 [pid 5009] mkdir("./113", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 7452] <... write resumed>) = 4194304 [pid 7452] munmap(0x7f76a8756000, 4194304 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7458 [pid 7452] <... munmap resumed>) = 0 [pid 7452] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7452] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7458 attached [pid 7458] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7458] chdir("./113") = 0 [pid 7458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7458] setpgid(0, 0) = 0 [pid 7458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7458] write(3, "1000", 4) = 4 [pid 7458] close(3) = 0 [pid 7458] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7458] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7458] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7452] <... ioctl resumed>) = 0 [pid 7458] <... mprotect resumed>) = 0 [pid 7458] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7452] close(3 [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 7452] <... close resumed>) = 0 [pid 7458] <... clone resumed>, parent_tid=[7459], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7459 [pid 7452] mkdir("./file0", 0777 [pid 7458] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] <... mkdir resumed>) = 0 [pid 7458] <... futex resumed>) = 0 [pid 7458] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7452] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7459 attached [ 240.448223][ T7452] loop0: detected capacity change from 0 to 8192 [pid 7459] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7455] <... write resumed>) = 4194304 [pid 5011] <... umount2 resumed>) = 0 [pid 7459] memfd_create("syzkaller", 0 [pid 7455] munmap(0x7f76a8756000, 4194304 [pid 5011] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7459] <... memfd_create resumed>) = 3 [pid 7459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7455] <... munmap resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7455] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5011] lstat("./114/file0", [pid 7455] <... openat resumed>) = 4 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7455] ioctl(4, LOOP_SET_FD, 3 [pid 5011] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7455] <... ioctl resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7455] close(3 [pid 5011] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7455] <... close resumed>) = 0 [pid 7455] mkdir("./file0", 0777 [pid 5011] <... openat resumed>) = 4 [pid 7455] <... mkdir resumed>) = 0 [pid 7455] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, [pid 7457] <... write resumed>) = 4194304 [ 240.506563][ T7452] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.538400][ T7455] loop2: detected capacity change from 0 to 8192 [ 240.541783][ T7452] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4 [pid 7457] munmap(0x7f76a8756000, 4194304 [pid 5011] <... close resumed>) = 0 [pid 7457] <... munmap resumed>) = 0 [pid 5011] rmdir("./114/file0" [pid 7457] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5011] <... rmdir resumed>) = 0 [pid 7457] ioctl(4, LOOP_SET_FD, 3 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./114") = 0 [ 240.560929][ T7455] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.577194][ T7455] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 240.581565][ T7452] REISERFS (device loop0): using ordered data mode [ 240.590541][ T7455] REISERFS (device loop2): using ordered data mode [ 240.596969][ T7457] loop4: detected capacity change from 0 to 8192 [ 240.599582][ T7455] reiserfs: using flush barriers [pid 5011] mkdir("./115", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7463 ./strace-static-x86_64: Process 7463 attached [pid 7459] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7463] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7463] chdir("./115") = 0 [pid 7463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7457] <... ioctl resumed>) = 0 [ 240.612271][ T7455] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 240.629344][ T7455] REISERFS (device loop2): checking transaction log (loop2) [ 240.650289][ T7455] REISERFS (device loop2): Using r5 hash to sort names [pid 7463] <... prctl resumed>) = 0 [pid 7457] close(3 [pid 7463] setpgid(0, 0 [pid 7457] <... close resumed>) = 0 [pid 7463] <... setpgid resumed>) = 0 [pid 7457] mkdir("./file0", 0777 [pid 7463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7457] <... mkdir resumed>) = 0 [pid 7463] <... openat resumed>) = 3 [pid 7457] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7463] write(3, "1000", 4 [pid 7455] <... mount resumed>) = 0 [pid 7463] <... write resumed>) = 4 [pid 7455] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7463] close(3 [pid 7455] <... openat resumed>) = 3 [pid 7463] <... close resumed>) = 0 [pid 7455] chdir("./file0" [pid 7463] symlink("/dev/binderfs", "./binderfs" [pid 7455] <... chdir resumed>) = 0 [pid 7463] <... symlink resumed>) = 0 [pid 7463] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 240.657653][ T7455] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 240.670435][ T7452] reiserfs: using flush barriers [ 240.675707][ T7455] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 240.679128][ T7452] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7463] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7463] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7465], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7465 [pid 7463] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7463] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7455] ioctl(4, LOOP_CLR_FD) = 0 [pid 7455] close(4) = 0 ./strace-static-x86_64: Process 7465 attached [pid 7465] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7465] memfd_create("syzkaller", 0) = 3 [pid 7465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7459] <... write resumed>) = 4194304 [pid 7455] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] munmap(0x7f76a8756000, 4194304 [pid 7455] <... futex resumed>) = 1 [pid 7454] <... futex resumed>) = 0 [ 240.707933][ T7457] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.735349][ T7457] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 240.744925][ T7457] REISERFS (device loop4): using ordered data mode [ 240.751954][ T7457] reiserfs: using flush barriers [pid 7459] <... munmap resumed>) = 0 [pid 7455] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7454] <... futex resumed>) = 0 [pid 7459] <... openat resumed>) = 4 [pid 7455] mkdir("./file1", 000 [pid 7454] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7459] ioctl(4, LOOP_SET_FD, 3 [pid 7455] <... mkdir resumed>) = 0 [pid 7459] <... ioctl resumed>) = 0 [ 240.758650][ T7457] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 240.778363][ T7457] REISERFS (device loop4): checking transaction log (loop4) [ 240.787237][ T7457] REISERFS (device loop4): Using r5 hash to sort names [ 240.795027][ T7459] loop1: detected capacity change from 0 to 8192 [ 240.796792][ T7452] REISERFS (device loop0): checking transaction log (loop0) [pid 7459] close(3 [pid 7455] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] <... close resumed>) = 0 [pid 7457] <... mount resumed>) = 0 [pid 7455] <... futex resumed>) = 1 [pid 7454] <... futex resumed>) = 0 [pid 7465] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7459] mkdir("./file0", 0777 [pid 7457] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7455] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] <... mkdir resumed>) = 0 [pid 7459] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7457] <... openat resumed>) = 3 [pid 7455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7454] <... futex resumed>) = 0 [pid 7452] <... mount resumed>) = 0 [pid 7457] chdir("./file0" [pid 7455] mkdir("./bus", 000 [pid 7454] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7457] <... chdir resumed>) = 0 [pid 7455] <... mkdir resumed>) = 0 [pid 7452] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7457] ioctl(4, LOOP_CLR_FD [pid 7455] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... ioctl resumed>) = 0 [pid 7455] <... futex resumed>) = 1 [pid 7454] <... futex resumed>) = 0 [ 240.801908][ T7457] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 240.821853][ T7457] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 240.833104][ T7452] REISERFS (device loop0): Using r5 hash to sort names [ 240.840336][ T7452] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 240.853464][ T7452] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7452] <... openat resumed>) = 3 [pid 7457] close(4 [pid 7455] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... close resumed>) = 0 [pid 7455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7454] <... futex resumed>) = 0 [pid 7452] chdir("./file0" [pid 7457] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7454] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7452] <... chdir resumed>) = 0 [pid 7457] <... futex resumed>) = 1 [pid 7456] <... futex resumed>) = 0 [pid 7452] ioctl(4, LOOP_CLR_FD [pid 7457] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7456] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] <... ioctl resumed>) = 0 [pid 7457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7456] <... futex resumed>) = 0 [pid 7452] close(4 [pid 7457] mkdir("./file1", 000 [pid 7456] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7452] <... close resumed>) = 0 [pid 7457] <... mkdir resumed>) = 0 [pid 7452] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] <... futex resumed>) = 1 [pid 7457] <... futex resumed>) = 0 [pid 7452] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7457] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7451] <... futex resumed>) = 0 [pid 7456] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... futex resumed>) = 0 [pid 7456] <... futex resumed>) = 1 [pid 7452] <... futex resumed>) = 0 [pid 7451] <... futex resumed>) = 1 [pid 7457] mkdir("./bus", 000 [pid 7452] mkdir("./file1", 000 [pid 7457] <... mkdir resumed>) = 0 [pid 7456] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7452] <... mkdir resumed>) = 0 [pid 7451] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7457] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7452] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7457] <... futex resumed>) = 0 [pid 7456] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] <... futex resumed>) = 0 [ 240.871565][ T7455] overlayfs: upper fs needs to support d_type. [ 240.879363][ T7459] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.894575][ T7455] overlayfs: upper fs does not support tmpfile. [ 240.902358][ T7459] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 240.911772][ T7459] REISERFS (device loop1): using ordered data mode [pid 7451] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7456] <... futex resumed>) = 0 [pid 7452] mkdir("./bus", 000 [pid 7451] <... futex resumed>) = 0 [pid 7465] <... write resumed>) = 4194304 [pid 7456] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7454] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7452] <... mkdir resumed>) = 0 [pid 7451] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7465] munmap(0x7f76a8756000, 4194304 [pid 7454] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 240.918414][ T7459] reiserfs: using flush barriers [ 240.920104][ T7457] overlayfs: upper fs needs to support d_type. [ 240.929800][ T7459] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 240.955115][ T7455] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7465] <... munmap resumed>) = 0 [pid 7454] <... futex resumed>) = 0 [pid 7452] <... futex resumed>) = 0 [pid 7451] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7451] <... futex resumed>) = 0 [pid 7465] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7456] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7451] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7465] <... openat resumed>) = 4 [pid 7457] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7456] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7454] <... mmap resumed>) = 0x7f76a8b35000 [pid 7465] ioctl(4, LOOP_SET_FD, 3 [pid 7457] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] <... futex resumed>) = 0 [ 240.968716][ T7457] overlayfs: upper fs does not support tmpfile. [ 240.975785][ T7457] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 240.984269][ T7457] overlayfs: failed to resolve './file0': -2 [ 240.988137][ T7452] overlayfs: upper fs needs to support d_type. [ 240.991177][ T7459] REISERFS (device loop1): checking transaction log (loop1) [ 241.006475][ T7465] loop3: detected capacity change from 0 to 8192 [ 241.006873][ T7455] overlayfs: failed to resolve './file0': -2 [pid 7454] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7465] <... ioctl resumed>) = 0 [pid 7457] <... futex resumed>) = 0 [pid 7456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7454] <... mprotect resumed>) = 0 [pid 7465] close(3 [pid 7456] <... mmap resumed>) = 0x7f76a8b35000 [pid 7465] <... close resumed>) = 0 [pid 7457] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7456] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7454] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7465] mkdir("./file0", 0777 [pid 7456] <... mprotect resumed>) = 0 [pid 7465] <... mkdir resumed>) = 0 [pid 7456] clone(child_stack=0x7f76a8b553f0, 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 7468 attached [pid 7465] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7454] <... clone resumed>, parent_tid=[7468], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7468 [pid 7451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7456] <... clone resumed>, parent_tid=[7469], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7469 [pid 7454] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7468] set_robust_list(0x7f76a8b559e0, 24 [pid 7456] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7454] <... futex resumed>) = 0 [pid 7451] <... futex resumed>) = 0 [pid 7468] <... set_robust_list resumed>) = 0 [pid 7456] <... futex resumed>) = 0 [pid 7455] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7454] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7468] mkdir(".", 0777 [pid 7456] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7455] <... futex resumed>) = 0 [pid 7451] <... mmap resumed>) = 0x7f76a8b35000 [ 241.016585][ T7459] REISERFS (device loop1): Using r5 hash to sort names [ 241.020152][ T7452] overlayfs: upper fs does not support tmpfile. [ 241.033017][ T7452] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 241.041358][ T7459] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 241.048299][ T7452] overlayfs: failed to resolve './file0': -2 ./strace-static-x86_64: Process 7469 attached [pid 7468] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7455] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7452] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7451] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7469] set_robust_list(0x7f76a8b559e0, 24 [pid 7468] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... mprotect resumed>) = 0 [pid 7469] <... set_robust_list resumed>) = 0 [pid 7452] <... futex resumed>) = 0 [ 241.069938][ T7465] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 241.094058][ T7465] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 241.094134][ T7468] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7469] mkdir(".", 0777 [pid 7452] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7451] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7469] <... mkdir resumed>) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 7472 attached [pid 7472] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7472] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7459] <... mount resumed>) = 0 [pid 7459] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7459] chdir("./file0") = 0 [pid 7459] ioctl(4, LOOP_CLR_FD) = 0 [pid 7459] close(4 [pid 7469] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7451] <... clone resumed>, parent_tid=[7472], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7472 [pid 7451] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7472] <... futex resumed>) = 0 [pid 7451] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7472] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7472] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7468] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7459] <... close resumed>) = 0 [pid 7468] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7468] <... futex resumed>) = 1 [pid 7459] <... futex resumed>) = 1 [pid 7458] <... futex resumed>) = 0 [pid 7454] <... futex resumed>) = 0 [pid 7468] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7459] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7458] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7454] exit_group(0 [pid 7468] <... futex resumed>) = ? [pid 7459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] <... futex resumed>) = 0 [pid 7454] <... exit_group resumed>) = ? [pid 7468] +++ exited with 0 +++ [pid 7459] mkdir("./file1", 000 [pid 7458] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7459] <... mkdir resumed>) = 0 [pid 7459] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7458] <... futex resumed>) = 0 [pid 7459] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7458] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] <... futex resumed>) = ? [pid 7459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] <... futex resumed>) = 0 [pid 7459] mkdir("./bus", 000 [pid 7458] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7459] <... mkdir resumed>) = 0 [pid 7455] +++ exited with 0 +++ [pid 7454] +++ exited with 0 +++ [pid 7459] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7458] <... futex resumed>) = 0 [ 241.113028][ T7465] REISERFS (device loop3): using ordered data mode [ 241.129548][ T7459] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 241.130295][ T7465] reiserfs: using flush barriers [ 241.154045][ T7465] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7454, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 7459] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7458] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 7459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] <... futex resumed>) = 0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 7459] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7458] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./114/binderfs") = 0 [pid 5010] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7469] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7469] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] <... futex resumed>) = 0 [pid 7456] exit_group(0) = ? [pid 7469] <... futex resumed>) = ? [pid 7469] +++ exited with 0 +++ [pid 7472] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7472] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... futex resumed>) = 0 [pid 7451] exit_group(0) = ? [pid 7457] <... futex resumed>) = ? [pid 7452] <... futex resumed>) = ? [pid 7472] <... futex resumed>) = ? [pid 7472] +++ exited with 0 +++ [ 241.183026][ T7469] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 241.197876][ T7459] overlayfs: upper fs needs to support d_type. [ 241.204847][ T7472] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 241.207491][ T7465] REISERFS (device loop3): checking transaction log (loop3) [ 241.223663][ T7459] overlayfs: upper fs does not support tmpfile. [pid 7457] +++ exited with 0 +++ [pid 7456] +++ exited with 0 +++ [pid 7452] +++ exited with 0 +++ [pid 7451] +++ exited with 0 +++ [pid 7458] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7458] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7458] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7458] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7473], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7473 [pid 7458] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7458] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7456, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7451, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5012] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... openat resumed>) = 3 [pid 5008] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] fstat(3, [pid 5008] <... openat resumed>) = 3 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] fstat(3, [pid 5012] getdents64(3, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] getdents64(3, [pid 5012] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 7473 attached [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 241.235356][ T7459] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 241.240146][ T7465] REISERFS (device loop3): Using r5 hash to sort names [ 241.267648][ T7459] overlayfs: failed to resolve './file0': -2 [pid 5008] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7473] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 5012] lstat("./115/binderfs", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7473] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] lstat("./113/binderfs", [pid 7473] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7459] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] unlink("./115/binderfs" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7459] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... unlink resumed>) = 0 [pid 5008] unlink("./113/binderfs" [pid 5012] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7459] <... futex resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 7459] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7473] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7473] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] <... futex resumed>) = 0 [pid 7458] exit_group(0 [pid 7459] <... futex resumed>) = ? [pid 7458] <... exit_group resumed>) = ? [pid 7459] +++ exited with 0 +++ [pid 7473] <... futex resumed>) = ? [pid 7473] +++ exited with 0 +++ [pid 7458] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7458, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5009] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5009] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./113/binderfs") = 0 [ 241.270036][ T7465] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 241.300320][ T7473] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5009] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7465] <... mount resumed>) = 0 [pid 7465] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7465] chdir("./file0") = 0 [pid 7465] ioctl(4, LOOP_CLR_FD) = 0 [pid 7465] close(4) = 0 [pid 7465] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] <... futex resumed>) = 0 [pid 7463] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7463] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7465] <... futex resumed>) = 1 [pid 7465] mkdir("./file1", 000) = 0 [ 241.361792][ T7465] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7465] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./114/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./114/file0" [pid 7463] <... futex resumed>) = 0 [pid 7463] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 7463] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] getdents64(3, [pid 7465] <... futex resumed>) = 1 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3 [pid 7465] mkdir("./bus", 000 [pid 5010] <... close resumed>) = 0 [pid 7465] <... mkdir resumed>) = 0 [pid 5010] rmdir("./114" [pid 7465] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7463] <... futex resumed>) = 0 [pid 7465] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7463] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... rmdir resumed>) = 0 [pid 7463] <... futex resumed>) = 0 [pid 7463] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] mkdir("./115", 0777 [pid 5012] <... umount2 resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5012] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./115/file0", [pid 5010] <... openat resumed>) = 3 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5012] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... close resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] <... openat resumed>) = 4 [pid 5012] fstat(4, [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7474 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, ./strace-static-x86_64: Process 7474 attached 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4 [pid 7474] set_robust_list(0x555556dec5e0, 24 [pid 5012] <... close resumed>) = 0 [pid 7474] <... set_robust_list resumed>) = 0 [pid 5012] rmdir("./115/file0" [pid 7474] chdir("./115" [pid 5012] <... rmdir resumed>) = 0 [pid 7474] <... chdir resumed>) = 0 [pid 5012] getdents64(3, [pid 7474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7474] <... prctl resumed>) = 0 [pid 7474] setpgid(0, 0 [pid 5012] close(3) = 0 [pid 7474] <... setpgid resumed>) = 0 [pid 5012] rmdir("./115" [pid 7474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... rmdir resumed>) = 0 [pid 5012] mkdir("./116", 0777 [pid 7474] <... openat resumed>) = 3 [pid 5012] <... mkdir resumed>) = 0 [pid 7474] write(3, "1000", 4 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7474] <... write resumed>) = 4 [pid 7474] close(3 [pid 5012] <... openat resumed>) = 3 [pid 7474] <... close resumed>) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 7474] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7474] <... symlink resumed>) = 0 [pid 5012] close(3 [pid 7474] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7474] <... futex resumed>) = 0 [pid 7463] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... close resumed>) = 0 [pid 7474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7463] <... futex resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7474] <... mmap resumed>) = 0x7f76b0b56000 [pid 7463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7463] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7474] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7463] <... mprotect resumed>) = 0 [pid 7474] <... mprotect resumed>) = 0 [pid 7463] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7475 [pid 5009] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7475 attached [ 241.448999][ T7465] overlayfs: upper fs needs to support d_type. [ 241.488834][ T7465] overlayfs: upper fs does not support tmpfile. [pid 7474] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7475] set_robust_list(0x555556dec5e0, 24 [pid 7463] <... clone resumed>, parent_tid=[7476], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7476 ./strace-static-x86_64: Process 7477 attached [pid 7475] <... set_robust_list resumed>) = 0 [pid 7463] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = 0 [pid 7463] <... futex resumed>) = 0 [pid 7463] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7476 attached [pid 7476] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7476] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7476] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7475] chdir("./116" [pid 7474] <... clone resumed>, parent_tid=[7477], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7477 [pid 7477] set_robust_list(0x7f76b0b769e0, 24 [pid 7475] <... chdir resumed>) = 0 [pid 7474] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] lstat("./113/file0", [pid 7477] <... set_robust_list resumed>) = 0 [pid 7475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7474] <... futex resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7477] memfd_create("syzkaller", 0 [pid 7475] <... prctl resumed>) = 0 [pid 5008] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7474] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7475] setpgid(0, 0 [pid 5009] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7477] <... memfd_create resumed>) = 3 [pid 7475] <... setpgid resumed>) = 0 [pid 7477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7477] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7475] <... openat resumed>) = 3 [pid 5008] lstat("./113/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./113/file0", 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, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./113/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5009] <... openat resumed>) = 4 [pid 5008] <... close resumed>) = 0 [pid 7475] write(3, "1000", 4 [pid 5009] fstat(4, [pid 7475] <... write resumed>) = 4 [pid 7475] close(3 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7475] <... close resumed>) = 0 [pid 5009] getdents64(4, [pid 7475] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7475] <... symlink resumed>) = 0 [pid 5009] getdents64(4, [pid 5008] rmdir("./113" [pid 7477] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7475] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7475] <... futex resumed>) = 0 [pid 7465] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] close(4 [pid 5008] mkdir("./114", 0777 [pid 7475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7465] <... futex resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 7475] <... mmap resumed>) = 0x7f76b0b56000 [pid 7465] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5009] rmdir("./113/file0" [pid 5008] <... mkdir resumed>) = 0 [pid 7475] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] <... rmdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7476] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7475] <... mprotect resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] <... openat resumed>) = 3 [pid 7476] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7475] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7476] <... futex resumed>) = 1 [pid 7463] <... futex resumed>) = 0 [pid 5009] close(3 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 7478 attached [pid 7476] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7475] <... clone resumed>, parent_tid=[7478], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7478 [pid 7463] exit_group(0 [pid 5009] <... close resumed>) = 0 [ 241.532338][ T7465] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 241.560423][ T7465] overlayfs: failed to resolve './file0': -2 [ 241.562801][ T7476] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] close(3 [pid 7478] set_robust_list(0x7f76b0b769e0, 24 [pid 7476] <... futex resumed>) = ? [pid 7475] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... futex resumed>) = ? [pid 7463] <... exit_group resumed>) = ? [pid 5009] rmdir("./113" [pid 5008] <... close resumed>) = 0 [pid 7478] <... set_robust_list resumed>) = 0 [pid 7476] +++ exited with 0 +++ [pid 7475] <... futex resumed>) = 0 [pid 7465] +++ exited with 0 +++ [pid 7463] +++ exited with 0 +++ [pid 5009] <... rmdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7478] memfd_create("syzkaller", 0 [pid 7475] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7463, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 5009] mkdir("./114", 0777 [pid 7478] <... memfd_create resumed>) = 3 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7479 [pid 7478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] <... mkdir resumed>) = 0 [pid 7478] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 7479 attached [pid 7479] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7479] chdir("./114") = 0 [pid 7479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7479] setpgid(0, 0) = 0 [pid 7479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... openat resumed>) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5011] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] close(3 [pid 7479] <... openat resumed>) = 3 [pid 5011] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... close resumed>) = 0 [pid 7479] write(3, "1000", 4 [pid 5011] <... openat resumed>) = 3 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7479] <... write resumed>) = 4 [pid 5011] fstat(3, [pid 7479] close(3) = 0 [pid 7479] symlink("/dev/binderfs", "./binderfs" [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7480 [pid 7479] <... symlink resumed>) = 0 [pid 5011] getdents64(3, [pid 7479] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7479] <... futex resumed>) = 0 [pid 5011] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7480 attached [pid 7479] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] lstat("./115/binderfs", [pid 7479] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7480] set_robust_list(0x555556dec5e0, 24 [pid 7479] <... mprotect resumed>) = 0 [pid 7477] <... write resumed>) = 4194304 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7480] <... set_robust_list resumed>) = 0 [pid 7479] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7477] munmap(0x7f76a8756000, 4194304 [pid 5011] unlink("./115/binderfs" [pid 7479] <... clone resumed>, parent_tid=[7481], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7481 [pid 5011] <... unlink resumed>) = 0 [pid 7480] chdir("./114" [pid 7479] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7480] <... chdir resumed>) = 0 [pid 7479] <... futex resumed>) = 0 [pid 7480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7479] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7481 attached [pid 7480] <... prctl resumed>) = 0 [pid 7481] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7481] memfd_create("syzkaller", 0 [pid 7480] setpgid(0, 0 [pid 7481] <... memfd_create resumed>) = 3 [pid 7480] <... setpgid resumed>) = 0 [pid 7481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7477] <... munmap resumed>) = 0 [pid 7480] write(3, "1000", 4 [pid 7478] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7477] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7480] <... write resumed>) = 4 [pid 7477] <... openat resumed>) = 4 [pid 7480] close(3 [pid 7477] ioctl(4, LOOP_SET_FD, 3 [pid 7480] <... close resumed>) = 0 [pid 7480] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7480] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7480] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7480] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7482], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7482 [pid 7477] <... ioctl resumed>) = 0 [pid 7480] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7477] close(3 [pid 7480] <... futex resumed>) = 0 [pid 7477] <... close resumed>) = 0 [pid 7480] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7477] mkdir("./file0", 0777./strace-static-x86_64: Process 7482 attached [pid 7482] set_robust_list(0x7f76b0b769e0, 24 [pid 7477] <... mkdir resumed>) = 0 [pid 7482] <... set_robust_list resumed>) = 0 [pid 7477] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7482] memfd_create("syzkaller", 0) = 3 [pid 7482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 241.697136][ T7477] loop2: detected capacity change from 0 to 8192 [ 241.745896][ T7477] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 241.766653][ T7477] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 241.777073][ T7477] REISERFS (device loop2): using ordered data mode [ 241.785025][ T7477] reiserfs: using flush barriers [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 7478] <... write resumed>) = 4194304 [ 241.797304][ T7477] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 241.814986][ T7477] REISERFS (device loop2): checking transaction log (loop2) [pid 7478] munmap(0x7f76a8756000, 4194304 [pid 7482] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7478] <... munmap resumed>) = 0 [pid 7478] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5011] <... umount2 resumed>) = 0 [pid 7478] ioctl(4, LOOP_SET_FD, 3 [pid 5011] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./115/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7478] <... ioctl resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7478] close(3) = 0 [pid 5011] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7478] mkdir("./file0", 0777 [pid 5011] <... openat resumed>) = 4 [pid 7478] <... mkdir resumed>) = 0 [pid 5011] fstat(4, [ 241.843632][ T7477] REISERFS (device loop2): Using r5 hash to sort names [ 241.860117][ T7478] loop4: detected capacity change from 0 to 8192 [pid 7478] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./115/file0") = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./115") = 0 [pid 5011] mkdir("./116", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 241.890764][ T7477] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 241.925367][ T7478] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5011] close(3 [pid 7482] <... write resumed>) = 4194304 [pid 5011] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7486 [pid 7482] munmap(0x7f76a8756000, 4194304 [pid 7477] <... mount resumed>) = 0 [pid 7477] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7482] <... munmap resumed>) = 0 [pid 7482] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7477] chdir("./file0") = 0 [pid 7482] <... openat resumed>) = 4 [pid 7477] ioctl(4, LOOP_CLR_FD) = 0 [pid 7477] close(4 [pid 7482] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7481] <... write resumed>) = 4194304 [pid 7482] close(3 [pid 7477] <... close resumed>) = 0 ./strace-static-x86_64: Process 7486 attached [pid 7482] <... close resumed>) = 0 [pid 7481] munmap(0x7f76a8756000, 4194304 [pid 7477] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] mkdir("./file0", 0777 [pid 7477] <... futex resumed>) = 1 [pid 7474] <... futex resumed>) = 0 [pid 7482] <... mkdir resumed>) = 0 [pid 7477] mkdir("./file1", 000 [pid 7474] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7474] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7482] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7477] <... mkdir resumed>) = 0 [pid 7477] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7474] <... futex resumed>) = 0 [ 241.929558][ T7477] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 241.955905][ T7482] loop1: detected capacity change from 0 to 8192 [ 241.956471][ T7478] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 241.973744][ T7478] REISERFS (device loop4): using ordered data mode [ 241.982639][ T7478] reiserfs: using flush barriers [pid 7477] mkdir("./bus", 000 [pid 7474] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7474] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7477] <... mkdir resumed>) = 0 [pid 7477] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7474] <... futex resumed>) = 0 [pid 7474] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7474] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7486] set_robust_list(0x555556dec5e0, 24 [pid 7481] <... munmap resumed>) = 0 [pid 7477] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7486] <... set_robust_list resumed>) = 0 [ 241.990551][ T7478] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 242.002377][ T7477] overlayfs: upper fs needs to support d_type. [ 242.007783][ T7478] REISERFS (device loop4): checking transaction log (loop4) [ 242.021000][ T7477] overlayfs: upper fs does not support tmpfile. [ 242.021913][ T7482] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7486] chdir("./116" [pid 7481] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7486] <... chdir resumed>) = 0 [pid 7481] <... openat resumed>) = 4 [pid 7474] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7486] prctl(PR_SET_PDEATHSIG, SIGKILL [ 242.028226][ T7477] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 242.047686][ T7478] REISERFS (device loop4): Using r5 hash to sort names [ 242.049137][ T7477] overlayfs: failed to resolve './file0': -2 [ 242.054773][ T7478] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 242.060910][ T7482] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 242.078545][ T7481] loop0: detected capacity change from 0 to 8192 [pid 7481] ioctl(4, LOOP_SET_FD, 3 [pid 7474] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] <... prctl resumed>) = 0 [pid 7474] <... futex resumed>) = 0 [pid 7486] setpgid(0, 0 [pid 7474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7486] <... setpgid resumed>) = 0 [pid 7477] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7474] <... mmap resumed>) = 0x7f76a8b35000 [pid 7486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7474] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7486] <... openat resumed>) = 3 [ 242.082845][ T7482] REISERFS (device loop1): using ordered data mode [ 242.098197][ T7482] reiserfs: using flush barriers [ 242.104614][ T7478] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 242.105373][ T7482] 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 7477] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] <... mprotect resumed>) = 0 [pid 7486] write(3, "1000", 4 [pid 7481] <... ioctl resumed>) = 0 [pid 7478] <... mount resumed>) = 0 [pid 7477] <... futex resumed>) = 0 [pid 7481] close(3 [pid 7478] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7477] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7481] <... close resumed>) = 0 [pid 7478] <... openat resumed>) = 3 [pid 7481] mkdir("./file0", 0777 [pid 7478] chdir("./file0" [pid 7481] <... mkdir resumed>) = 0 [pid 7478] <... chdir resumed>) = 0 [pid 7481] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7478] ioctl(4, LOOP_CLR_FD) = 0 [pid 7478] close(4) = 0 [pid 7478] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7475] <... futex resumed>) = 0 [pid 7478] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7475] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7475] <... futex resumed>) = 0 [pid 7478] mkdir("./file1", 000 [pid 7475] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7478] <... mkdir resumed>) = 0 [pid 7478] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7475] <... futex resumed>) = 0 [pid 7478] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7475] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7475] <... futex resumed>) = 0 [pid 7478] mkdir("./bus", 000 [pid 7475] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7478] <... mkdir resumed>) = 0 [pid 7478] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7475] <... futex resumed>) = 0 [pid 7478] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7475] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7475] <... futex resumed>) = 0 [pid 7478] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7475] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7486] <... write resumed>) = 4 [pid 7486] close(3 [pid 7474] <... clone resumed>, parent_tid=[7489], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7489 [pid 7474] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7474] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7486] <... close resumed>) = 0 ./strace-static-x86_64: Process 7489 attached [pid 7486] symlink("/dev/binderfs", "./binderfs" [pid 7489] set_robust_list(0x7f76a8b559e0, 24 [pid 7486] <... symlink resumed>) = 0 [pid 7489] <... set_robust_list resumed>) = 0 [pid 7489] mkdir(".", 0777 [pid 7486] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7486] <... futex resumed>) = 0 [ 242.135744][ T7481] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 242.137491][ T7482] REISERFS (device loop1): checking transaction log (loop1) [ 242.157937][ T7478] overlayfs: upper fs needs to support d_type. [ 242.164275][ T7478] overlayfs: upper fs does not support tmpfile. [ 242.176846][ T7481] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7489] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7475] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7475] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7475] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7475] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7490], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7490 [pid 7475] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7475] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7486] <... mmap resumed>) = 0x7f76b0b56000 ./strace-static-x86_64: Process 7490 attached [pid 7486] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7490] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7486] <... mprotect resumed>) = 0 [pid 7490] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7490] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7486] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7491], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7491 [pid 7486] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 242.186118][ T7482] REISERFS (device loop1): Using r5 hash to sort names [ 242.187500][ T7481] REISERFS (device loop0): using ordered data mode [ 242.197068][ T7478] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 242.201850][ T7481] reiserfs: using flush barriers [ 242.227373][ T7489] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7486] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7491 attached [pid 7489] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7491] set_robust_list(0x7f76b0b769e0, 24 [pid 7490] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7489] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] <... mount resumed>) = 0 [pid 7491] <... set_robust_list resumed>) = 0 [pid 7490] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... futex resumed>) = 1 [pid 7482] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7474] <... futex resumed>) = 0 [pid 7491] memfd_create("syzkaller", 0 [pid 7490] <... futex resumed>) = 1 [pid 7489] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7482] <... openat resumed>) = 3 [pid 7474] exit_group(0 [pid 7491] <... memfd_create resumed>) = 3 [pid 7490] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7489] <... futex resumed>) = ? [pid 7482] chdir("./file0" [pid 7474] <... exit_group resumed>) = ? [pid 7491] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7489] +++ exited with 0 +++ [pid 7482] <... chdir resumed>) = 0 [ 242.228418][ T7490] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 242.242344][ T7482] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 242.257275][ T7478] overlayfs: failed to resolve './file0': -2 [ 242.267792][ T7482] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7491] <... mmap resumed>) = 0x7f76a8756000 [pid 7482] ioctl(4, LOOP_CLR_FD) = 0 [pid 7477] <... futex resumed>) = ? [pid 7475] <... futex resumed>) = 0 [pid 7482] close(4 [pid 7477] +++ exited with 0 +++ [pid 7474] +++ exited with 0 +++ [pid 7482] <... close resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7474, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 7482] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7480] <... futex resumed>) = 0 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 7480] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7480] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7482] mkdir("./file1", 000 [pid 7478] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] <... restart_syscall resumed>) = 0 [pid 7482] <... mkdir resumed>) = 0 [pid 7482] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7480] <... futex resumed>) = 0 [pid 7480] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7480] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7482] mkdir("./bus", 000) = 0 [pid 5010] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7482] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] <... futex resumed>) = 1 [pid 7480] <... futex resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7482] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7480] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... futex resumed>) = 0 [ 242.273358][ T7481] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 242.330904][ T7481] REISERFS (device loop0): checking transaction log (loop0) [pid 7475] exit_group(0 [pid 7490] <... futex resumed>) = ? [pid 7480] <... futex resumed>) = 0 [pid 7475] <... exit_group resumed>) = ? [pid 5010] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7480] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7490] +++ exited with 0 +++ [pid 7478] +++ exited with 0 +++ [pid 7475] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7475, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...> [pid 5010] <... openat resumed>) = 3 [pid 5012] <... restart_syscall resumed>) = 0 [pid 5012] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] fstat(3, [pid 5012] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./116/binderfs") = 0 [pid 5012] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7491] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./115/binderfs") = 0 [pid 5010] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7480] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7480] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7480] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7480] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7492], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7492 [pid 7480] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7480] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7492 attached [pid 7492] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7492] mkdir(".", 0777) = -1 EEXIST (File exists) [ 242.339150][ T7482] overlayfs: upper fs needs to support d_type. [ 242.354082][ T7482] overlayfs: upper fs does not support tmpfile. [ 242.374781][ T7481] REISERFS (device loop0): Using r5 hash to sort names [ 242.375442][ T7482] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7492] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] <... mount resumed>) = 0 [pid 7481] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7481] chdir("./file0") = 0 [pid 7481] ioctl(4, LOOP_CLR_FD) = 0 [ 242.418973][ T7481] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 242.425919][ T7492] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 242.446129][ T7481] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7481] close(4 [pid 7492] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7491] <... write resumed>) = 4194304 [pid 7481] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = 0 [pid 7492] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7491] munmap(0x7f76a8756000, 4194304 [pid 7481] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] <... futex resumed>) = 1 [pid 7491] <... munmap resumed>) = 0 [pid 7481] <... futex resumed>) = 1 [pid 7480] <... futex resumed>) = 0 [pid 7479] <... futex resumed>) = 0 [pid 5010] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7492] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7491] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7482] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7481] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7479] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7491] <... openat resumed>) = 4 [pid 7482] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7491] ioctl(4, LOOP_SET_FD, 3 [pid 7482] <... futex resumed>) = 0 [pid 7481] mkdir("./file1", 000 [pid 7480] exit_group(0 [pid 7479] <... futex resumed>) = 0 [pid 5010] lstat("./115/file0", [pid 7492] <... futex resumed>) = ? [pid 7491] <... ioctl resumed>) = 0 [pid 7481] <... mkdir resumed>) = 0 [pid 7480] <... exit_group resumed>) = ? [pid 7479] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7492] +++ exited with 0 +++ [pid 7482] +++ exited with 0 +++ [pid 7480] +++ exited with 0 +++ [pid 7481] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7481] <... futex resumed>) = 1 [pid 7479] <... futex resumed>) = 0 [pid 5010] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7481] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7479] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7479] <... futex resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7480, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7491] close(3 [pid 7481] mkdir("./bus", 000 [pid 7479] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... openat resumed>) = 4 [pid 7481] <... mkdir resumed>) = 0 [pid 5010] fstat(4, [pid 7481] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7479] <... futex resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 242.509467][ T7482] overlayfs: failed to resolve './file0': -2 [ 242.534053][ T7491] loop3: detected capacity change from 0 to 8192 [pid 5009] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7479] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] getdents64(4, [pid 7481] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7479] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, [pid 5009] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./116/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, [pid 7491] <... close resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... openat resumed>) = 3 [pid 7491] mkdir("./file0", 0777 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4 [pid 5009] fstat(3, [pid 7491] <... mkdir resumed>) = 0 [pid 5012] close(4 [pid 5010] <... close resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7491] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5012] <... close resumed>) = 0 [pid 5010] rmdir("./115/file0" [pid 5009] getdents64(3, [pid 5012] rmdir("./116/file0" [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] <... rmdir resumed>) = 0 [pid 5010] getdents64(3, [pid 5009] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] getdents64(3, [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3 [pid 5009] lstat("./114/binderfs", [pid 5012] close(3 [pid 5010] <... close resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] <... close resumed>) = 0 [pid 5010] rmdir("./115" [pid 5009] unlink("./114/binderfs" [pid 5012] rmdir("./116" [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5010] mkdir("./116", 0777 [pid 5009] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] mkdir("./117", 0777 [pid 5010] <... mkdir resumed>) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 242.562326][ T7481] overlayfs: upper fs needs to support d_type. [ 242.569359][ T7481] overlayfs: upper fs does not support tmpfile. [ 242.577211][ T7481] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 242.587471][ T7481] overlayfs: failed to resolve './file0': -2 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5010] <... openat resumed>) = 3 [pid 7481] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... openat resumed>) = 3 [pid 7481] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7479] <... futex resumed>) = 0 [pid 7481] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7479] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7479] <... futex resumed>) = 0 [pid 7481] mkdir(".", 0777 [pid 7479] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7481] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7481] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5010] ioctl(3, LOOP_CLR_FD [pid 7481] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7481] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] <... futex resumed>) = 0 [pid 7479] exit_group(0) = ? [pid 7481] <... futex resumed>) = ? [pid 7481] +++ exited with 0 +++ [pid 7479] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7479, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./114", 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, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./114/binderfs") = 0 [pid 5008] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] close(3 [pid 5010] close(3 [pid 5012] <... close resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] <... close resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7494 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7495 ./strace-static-x86_64: Process 7494 attached [pid 7494] set_robust_list(0x555556dec5e0, 24) = 0 [ 242.606864][ T7491] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 242.614568][ T7481] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 242.622561][ T7491] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 242.643663][ T7491] REISERFS (device loop3): using ordered data mode [ 242.656095][ T7491] reiserfs: using flush barriers [pid 7494] chdir("./117") = 0 [pid 7494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7494] setpgid(0, 0) = 0 [pid 7494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7494] write(3, "1000", 4) = 4 [pid 7494] close(3) = 0 [pid 7494] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7494] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7494] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7494] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7496 [pid 7494] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7494] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7496 attached [pid 7496] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7496] memfd_create("syzkaller", 0) = 3 [pid 7496] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 ./strace-static-x86_64: Process 7495 attached [pid 7495] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7495] chdir("./116") = 0 [pid 7495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7495] setpgid(0, 0) = 0 [pid 7495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7495] write(3, "1000", 4) = 4 [pid 7495] close(3) = 0 [pid 7495] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7495] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7495] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [ 242.677466][ T7491] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7495] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7497], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7497 [pid 7495] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7496] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7495] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7497 attached [pid 7497] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7497] memfd_create("syzkaller", 0) = 3 [pid 7497] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 242.818218][ T7491] REISERFS (device loop3): checking transaction log (loop3) [pid 7497] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... umount2 resumed>) = 0 [pid 5009] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./114/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... openat resumed>) = 4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] fstat(4, [pid 5008] lstat("./114/file0", [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, [pid 5008] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7496] <... write resumed>) = 4194304 [pid 7496] munmap(0x7f76a8756000, 4194304 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4 [pid 5008] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 5009] rmdir("./114/file0" [pid 5008] fstat(4, [pid 7496] <... munmap resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7496] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 242.862130][ T7491] REISERFS (device loop3): Using r5 hash to sort names [ 242.884319][ T7491] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 242.903241][ T7496] loop4: detected capacity change from 0 to 8192 [pid 7496] ioctl(4, LOOP_SET_FD, 3 [pid 5008] getdents64(4, [pid 7496] <... ioctl resumed>) = 0 [pid 7496] close(3) = 0 [pid 7496] mkdir("./file0", 0777 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7496] <... mkdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] getdents64(4, [pid 7496] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4 [pid 5009] close(3 [pid 5008] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5008] rmdir("./114/file0" [pid 5009] rmdir("./114" [pid 5008] <... rmdir resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] getdents64(3, [pid 5009] mkdir("./115", 0777 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] close(3 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... close resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] rmdir("./114" [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5008] <... rmdir resumed>) = 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] mkdir("./115", 0777 [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7499 [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 7491] <... mount resumed>) = 0 [pid 7491] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7491] chdir("./file0") = 0 [pid 7491] ioctl(4, LOOP_CLR_FD) = 0 [pid 7491] close(4) = 0 [pid 7491] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] <... futex resumed>) = 0 [pid 7486] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7486] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7500 [pid 7491] <... futex resumed>) = 1 [ 242.908958][ T7491] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 242.932874][ T7496] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7491] mkdir("./file1", 000) = 0 ./strace-static-x86_64: Process 7500 attached ./strace-static-x86_64: Process 7499 attached [pid 7491] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7486] <... futex resumed>) = 0 [pid 7491] mkdir("./bus", 000 [pid 7486] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7491] <... mkdir resumed>) = 0 [pid 7486] <... futex resumed>) = 0 [pid 7491] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7491] <... futex resumed>) = 0 [pid 7486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7491] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7486] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7486] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7500] set_robust_list(0x555556dec5e0, 24 [pid 7499] set_robust_list(0x555556dec5e0, 24 [pid 7497] <... write resumed>) = 4194304 [pid 7500] <... set_robust_list resumed>) = 0 [pid 7499] <... set_robust_list resumed>) = 0 [pid 7497] munmap(0x7f76a8756000, 4194304 [pid 7500] chdir("./115" [pid 7499] chdir("./115" [pid 7497] <... munmap resumed>) = 0 [pid 7500] <... chdir resumed>) = 0 [pid 7499] <... chdir resumed>) = 0 [pid 7497] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7497] <... openat resumed>) = 4 [pid 7500] <... prctl resumed>) = 0 [pid 7499] <... prctl resumed>) = 0 [pid 7497] ioctl(4, LOOP_SET_FD, 3 [pid 7500] setpgid(0, 0 [pid 7499] setpgid(0, 0 [pid 7500] <... setpgid resumed>) = 0 [pid 7499] <... setpgid resumed>) = 0 [ 242.965478][ T7496] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 242.976369][ T7491] overlayfs: upper fs needs to support d_type. [ 242.979384][ T7496] REISERFS (device loop4): using ordered data mode [ 242.982860][ T7491] overlayfs: upper fs does not support tmpfile. [ 242.997232][ T7491] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 243.002516][ T7497] loop2: detected capacity change from 0 to 8192 [pid 7500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7500] <... openat resumed>) = 3 [pid 7499] <... openat resumed>) = 3 [pid 7500] write(3, "1000", 4 [pid 7499] write(3, "1000", 4 [pid 7491] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7486] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7500] <... write resumed>) = 4 [pid 7499] <... write resumed>) = 4 [pid 7500] close(3 [pid 7499] close(3 [pid 7500] <... close resumed>) = 0 [pid 7499] <... close resumed>) = 0 [pid 7486] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] symlink("/dev/binderfs", "./binderfs" [pid 7499] symlink("/dev/binderfs", "./binderfs" [pid 7491] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] <... futex resumed>) = 0 [pid 7500] <... symlink resumed>) = 0 [pid 7499] <... symlink resumed>) = 0 [pid 7497] <... ioctl resumed>) = 0 [pid 7500] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7499] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] <... futex resumed>) = 0 [pid 7499] <... futex resumed>) = 0 [pid 7500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7500] <... mmap resumed>) = 0x7f76b0b56000 [pid 7499] <... mmap resumed>) = 0x7f76b0b56000 [pid 7500] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7499] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7500] <... mprotect resumed>) = 0 [pid 7499] <... mprotect resumed>) = 0 [pid 7500] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7499] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7500] <... clone resumed>, parent_tid=[7501], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7501 [pid 7499] <... clone resumed>, parent_tid=[7502], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7502 [pid 7500] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7499] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] <... futex resumed>) = 0 [pid 7499] <... futex resumed>) = 0 [pid 7491] <... futex resumed>) = 0 [pid 7486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7500] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7499] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7497] close(3 [pid 7491] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7502 attached [pid 7497] <... close resumed>) = 0 [pid 7486] <... mmap resumed>) = 0x7f76a8b35000 [pid 7502] set_robust_list(0x7f76b0b769e0, 24 [pid 7497] mkdir("./file0", 0777 [pid 7486] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7501 attached [pid 7502] <... set_robust_list resumed>) = 0 [ 243.007159][ T7491] overlayfs: failed to resolve './file0': -2 [ 243.025144][ T7496] reiserfs: using flush barriers [ 243.033212][ T7496] 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 7502] memfd_create("syzkaller", 0 [pid 7501] set_robust_list(0x7f76b0b769e0, 24 [pid 7497] <... mkdir resumed>) = 0 [pid 7486] <... mprotect resumed>) = 0 [pid 7497] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7486] clone(child_stack=0x7f76a8b553f0, 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 7504 attached [pid 7502] <... memfd_create resumed>) = 3 [pid 7501] <... set_robust_list resumed>) = 0 [pid 7486] <... clone resumed>, parent_tid=[7504], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7504 [pid 7486] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 243.062221][ T7496] REISERFS (device loop4): checking transaction log (loop4) [ 243.072434][ T7496] REISERFS (device loop4): Using r5 hash to sort names [ 243.080723][ T7497] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.083200][ T7496] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 243.095894][ T7497] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7486] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7504] set_robust_list(0x7f76a8b559e0, 24 [pid 7502] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7501] memfd_create("syzkaller", 0 [pid 7504] <... set_robust_list resumed>) = 0 [pid 7502] <... mmap resumed>) = 0x7f76a8756000 [pid 7501] <... memfd_create resumed>) = 3 [pid 7496] <... mount resumed>) = 0 [pid 7504] mkdir(".", 0777 [pid 7501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7504] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7501] <... mmap resumed>) = 0x7f76a8756000 [pid 7504] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7496] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7496] chdir("./file0") = 0 [pid 7496] ioctl(4, LOOP_CLR_FD) = 0 [pid 7496] close(4) = 0 [pid 7496] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7494] <... futex resumed>) = 0 [pid 7496] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7494] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7494] <... futex resumed>) = 0 [pid 7496] mkdir("./file1", 000 [pid 7494] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7496] <... mkdir resumed>) = 0 [ 243.108204][ T7496] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 243.117630][ T7497] REISERFS (device loop2): using ordered data mode [ 243.131985][ T7497] reiserfs: using flush barriers [ 243.138623][ T7497] 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 7496] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7494] <... futex resumed>) = 0 [pid 7496] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7494] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7494] <... futex resumed>) = 0 [pid 7496] mkdir("./bus", 000 [pid 7494] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7496] <... mkdir resumed>) = 0 [pid 7496] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7494] <... futex resumed>) = 0 [pid 7496] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7494] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7494] <... futex resumed>) = 0 [pid 7496] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 243.163509][ T7504] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 243.174799][ T7497] REISERFS (device loop2): checking transaction log (loop2) [ 243.188371][ T7497] REISERFS (device loop2): Using r5 hash to sort names [ 243.194145][ T7496] overlayfs: upper fs needs to support d_type. [ 243.201720][ T7496] overlayfs: upper fs does not support tmpfile. [pid 7494] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7504] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7504] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] <... futex resumed>) = 0 [pid 7486] exit_group(0 [pid 7491] <... futex resumed>) = ? [pid 7486] <... exit_group resumed>) = ? [pid 7491] +++ exited with 0 +++ [pid 7504] <... futex resumed>) = ? [pid 7501] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7504] +++ exited with 0 +++ [pid 7486] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7486, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5011] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7494] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... openat resumed>) = 3 [pid 7494] <... futex resumed>) = 0 [pid 7494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] fstat(3, [pid 7494] <... mmap resumed>) = 0x7f76a8b35000 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7494] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5011] getdents64(3, [pid 7494] <... mprotect resumed>) = 0 [pid 7502] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7494] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7494] <... clone resumed>, parent_tid=[7505], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7505 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7505 attached [pid 7494] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] lstat("./116/binderfs", [pid 7505] set_robust_list(0x7f76a8b559e0, 24 [pid 7494] <... futex resumed>) = 0 [ 243.202036][ T7497] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 243.215989][ T7496] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7505] <... set_robust_list resumed>) = 0 [pid 7494] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7505] mkdir(".", 0777 [pid 5011] unlink("./116/binderfs" [pid 7505] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7505] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7505] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7501] <... write resumed>) = 4194304 [pid 7505] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7501] munmap(0x7f76a8756000, 4194304 [pid 7505] <... futex resumed>) = 1 [pid 7494] <... futex resumed>) = 0 [pid 7496] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7501] <... munmap resumed>) = 0 [pid 7505] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7501] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7496] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7501] <... openat resumed>) = 4 [pid 7501] ioctl(4, LOOP_SET_FD, 3 [pid 7494] exit_group(0) = ? [pid 7496] <... futex resumed>) = ? [pid 7496] +++ exited with 0 +++ [pid 7505] <... futex resumed>) = ? [pid 7505] +++ exited with 0 +++ [pid 7494] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7494, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [ 243.282216][ T7496] overlayfs: failed to resolve './file0': -2 [ 243.294428][ T7505] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 243.296486][ T7497] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5012] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./117/binderfs" [pid 7501] <... ioctl resumed>) = 0 [pid 5012] <... unlink resumed>) = 0 [pid 7501] close(3 [pid 5012] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7501] <... close resumed>) = 0 [pid 7501] mkdir("./file0", 0777) = 0 [ 243.358721][ T7501] loop0: detected capacity change from 0 to 8192 [pid 7501] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7497] <... mount resumed>) = 0 [pid 7497] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7497] <... openat resumed>) = 3 [pid 7497] chdir("./file0" [pid 5011] lstat("./116/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7497] <... chdir resumed>) = 0 [pid 7497] ioctl(4, LOOP_CLR_FD) = 0 [pid 7497] close(4 [ 243.404140][ T7501] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.421344][ T7501] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 243.431404][ T7501] REISERFS (device loop0): using ordered data mode [ 243.438573][ T7501] reiserfs: using flush barriers [pid 5011] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7497] <... close resumed>) = 0 [pid 7497] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... futex resumed>) = 0 [pid 7495] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7495] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7497] <... futex resumed>) = 1 [pid 7497] mkdir("./file1", 000) = 0 [pid 7497] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... futex resumed>) = 0 [pid 7495] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7495] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7497] <... futex resumed>) = 1 [pid 7497] mkdir("./bus", 000) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, [pid 7502] <... write resumed>) = 4194304 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7502] munmap(0x7f76a8756000, 4194304 [pid 7497] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(4, [pid 7497] <... futex resumed>) = 1 [pid 7495] <... futex resumed>) = 0 [pid 7497] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7495] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] <... munmap resumed>) = 0 [pid 7495] <... futex resumed>) = 0 [ 243.446624][ T7501] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 243.470170][ T7501] REISERFS (device loop0): checking transaction log (loop0) [ 243.482162][ T7497] overlayfs: upper fs needs to support d_type. [ 243.488720][ T7501] REISERFS (device loop0): Using r5 hash to sort names [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7502] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7495] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7502] <... openat resumed>) = 4 [pid 5011] close(4 [pid 5012] <... umount2 resumed>) = 0 [pid 7502] ioctl(4, LOOP_SET_FD, 3 [pid 7501] <... mount resumed>) = 0 [pid 5012] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... close resumed>) = 0 [pid 7501] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] rmdir("./116/file0" [pid 7502] <... ioctl resumed>) = 0 [pid 7502] close(3) = 0 [pid 7502] mkdir("./file0", 0777) = 0 [pid 7502] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7501] <... openat resumed>) = 3 [pid 7501] chdir("./file0") = 0 [pid 7501] ioctl(4, LOOP_CLR_FD) = 0 [pid 5012] lstat("./117/file0", [pid 7501] close(4) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 7501] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, [pid 7501] <... futex resumed>) = 1 [pid 7500] <... futex resumed>) = 0 [pid 5012] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7501] mkdir("./file1", 000 [pid 7500] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] close(3 [pid 7501] <... mkdir resumed>) = 0 [pid 7500] <... futex resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./117/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... close resumed>) = 0 [pid 7501] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... openat resumed>) = 4 [pid 5011] rmdir("./116" [pid 7501] <... futex resumed>) = 0 [pid 7500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] fstat(4, [pid 5011] <... rmdir resumed>) = 0 [pid 7501] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7500] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] mkdir("./117", 0777 [pid 7501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7500] <... futex resumed>) = 0 [pid 5012] getdents64(4, [pid 5011] <... mkdir resumed>) = 0 [pid 7501] mkdir("./bus", 000 [pid 7500] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7495] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7501] <... mkdir resumed>) = 0 [pid 7495] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(4, [pid 5011] <... openat resumed>) = 3 [pid 7501] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7501] <... futex resumed>) = 1 [ 243.505516][ T7501] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 243.515613][ T7497] overlayfs: upper fs does not support tmpfile. [ 243.519215][ T7501] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 243.532070][ T7497] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 243.535866][ T7502] loop1: detected capacity change from 0 to 8192 [ 243.544455][ T7497] overlayfs: failed to resolve './file0': -2 [pid 7500] <... futex resumed>) = 0 [pid 7495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] close(4 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7501] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7495] <... mmap resumed>) = 0x7f76a8b35000 [pid 7495] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7500] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... close resumed>) = 0 [pid 5011] close(3 [pid 7501] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7500] <... futex resumed>) = 0 [pid 7497] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7495] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] rmdir("./117/file0" [pid 5011] <... close resumed>) = 0 [pid 7500] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... rmdir resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [ 243.577413][ T7502] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.591364][ T7502] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 243.601875][ T7502] REISERFS (device loop1): using ordered data mode [ 243.608854][ T7502] reiserfs: using flush barriers [ 243.615144][ T7501] overlayfs: upper fs needs to support d_type. [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7508 [pid 5012] close(3) = 0 [pid 5012] rmdir("./117") = 0 [pid 5012] mkdir("./118", 0777./strace-static-x86_64: Process 7508 attached ) = 0 [pid 7508] set_robust_list(0x555556dec5e0, 24 [pid 7497] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7508] <... set_robust_list resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 7508] chdir("./117" [pid 5012] ioctl(3, LOOP_CLR_FD [pid 7508] <... chdir resumed>) = 0 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] close(3 [pid 7508] <... prctl resumed>) = 0 [pid 7497] <... futex resumed>) = 0 [pid 7495] <... clone resumed>, parent_tid=[7509], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7509 [pid 5012] <... close resumed>) = 0 [pid 7508] setpgid(0, 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7509 attached [pid 7508] <... setpgid resumed>) = 0 [pid 7497] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7495] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7510 [pid 7508] <... openat resumed>) = 3 [pid 7508] write(3, "1000", 4) = 4 [pid 7509] set_robust_list(0x7f76a8b559e0, 24 [ 243.615912][ T7502] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 243.634903][ T7501] overlayfs: upper fs does not support tmpfile. [ 243.639538][ T7502] REISERFS (device loop1): checking transaction log (loop1) [ 243.660090][ T7502] REISERFS (device loop1): Using r5 hash to sort names [pid 7508] close(3./strace-static-x86_64: Process 7510 attached [pid 7509] <... set_robust_list resumed>) = 0 [pid 7508] <... close resumed>) = 0 [pid 7502] <... mount resumed>) = 0 [pid 7500] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7495] <... futex resumed>) = 0 [pid 7509] mkdir(".", 0777 [pid 7508] symlink("/dev/binderfs", "./binderfs" [pid 7510] set_robust_list(0x555556dec5e0, 24 [pid 7509] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7508] <... symlink resumed>) = 0 [pid 7502] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7500] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7510] <... set_robust_list resumed>) = 0 [pid 7509] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7508] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] <... futex resumed>) = 0 [pid 7510] chdir("./118" [pid 7502] <... openat resumed>) = 3 [pid 7501] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7502] chdir("./file0" [pid 7501] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] <... chdir resumed>) = 0 [pid 7501] <... futex resumed>) = 0 [pid 7502] ioctl(4, LOOP_CLR_FD [pid 7501] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7502] <... ioctl resumed>) = 0 [pid 7502] close(4) = 0 [pid 7502] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7502] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 243.668688][ T7502] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 243.681822][ T7502] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 243.682281][ T7501] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 243.707404][ T7501] overlayfs: failed to resolve './file0': -2 [pid 7508] <... futex resumed>) = 0 [pid 7508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7508] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7510] <... chdir resumed>) = 0 [pid 7508] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7508] <... clone resumed>, parent_tid=[7511], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7511 [pid 7500] <... mmap resumed>) = 0x7f76a8b35000 [pid 7499] <... futex resumed>) = 0 [pid 7510] <... prctl resumed>) = 0 [pid 7508] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7499] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] setpgid(0, 0 [pid 7508] <... futex resumed>) = 0 [pid 7502] <... futex resumed>) = 0 [pid 7500] <... mprotect resumed>) = 0 [pid 7499] <... futex resumed>) = 1 [pid 7510] <... setpgid resumed>) = 0 [pid 7508] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7502] mkdir("./file1", 000 [pid 7500] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7499] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7509] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7509] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... futex resumed>) = 0 [pid 7502] <... mkdir resumed>) = 0 [pid 7495] exit_group(0 [pid 7497] <... futex resumed>) = ? [pid 7495] <... exit_group resumed>) = ? [pid 7510] <... openat resumed>) = 3 [pid 7502] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7512 attached ./strace-static-x86_64: Process 7511 attached [pid 7510] write(3, "1000", 4 [pid 7502] <... futex resumed>) = 1 [pid 7500] <... clone resumed>, parent_tid=[7512], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7512 [pid 7499] <... futex resumed>) = 0 [pid 7497] +++ exited with 0 +++ [pid 7509] <... futex resumed>) = ? [pid 7512] set_robust_list(0x7f76a8b559e0, 24 [pid 7511] set_robust_list(0x7f76b0b769e0, 24 [pid 7510] <... write resumed>) = 4 [pid 7502] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7500] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7499] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7512] <... set_robust_list resumed>) = 0 [pid 7511] <... set_robust_list resumed>) = 0 [pid 7510] close(3 [pid 7509] +++ exited with 0 +++ [pid 7502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7500] <... futex resumed>) = 0 [pid 7499] <... futex resumed>) = 0 [pid 7495] +++ exited with 0 +++ [pid 7512] mkdir(".", 0777 [pid 7511] memfd_create("syzkaller", 0 [pid 7510] <... close resumed>) = 0 [pid 7502] mkdir("./bus", 000 [pid 7500] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7499] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7495, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 7512] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7511] <... memfd_create resumed>) = 3 [pid 7510] symlink("/dev/binderfs", "./binderfs" [pid 7502] <... mkdir resumed>) = 0 [pid 7512] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 243.718932][ T7509] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7510] <... symlink resumed>) = 0 [pid 7502] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] <... mmap resumed>) = 0x7f76a8756000 [pid 7510] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] <... futex resumed>) = 1 [pid 7499] <... futex resumed>) = 0 [pid 7510] <... futex resumed>) = 0 [pid 7502] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7499] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7499] <... futex resumed>) = 0 [pid 7510] <... mmap resumed>) = 0x7f76b0b56000 [pid 7502] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7499] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7512] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7510] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5010] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7510] <... mprotect resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7510] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... openat resumed>) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, [pid 7510] <... clone resumed>, parent_tid=[7513], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7513 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7512] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7511] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7510] <... futex resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7510] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] lstat("./116/binderfs", ./strace-static-x86_64: Process 7513 attached [pid 7512] <... futex resumed>) = 1 [pid 7500] <... futex resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7513] set_robust_list(0x7f76b0b769e0, 24 [pid 7512] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7500] exit_group(0 [pid 5010] unlink("./116/binderfs" [pid 7513] <... set_robust_list resumed>) = 0 [pid 7512] <... futex resumed>) = ? [pid 7500] <... exit_group resumed>) = ? [pid 7501] <... futex resumed>) = ? [pid 5010] <... unlink resumed>) = 0 [pid 7513] memfd_create("syzkaller", 0 [pid 7512] +++ exited with 0 +++ [pid 7501] +++ exited with 0 +++ [pid 7500] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7500, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7513] <... memfd_create resumed>) = 3 [pid 5010] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./115", 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, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7513] <... mmap resumed>) = 0x7f76a8756000 [pid 5008] unlink("./115/binderfs") = 0 [pid 5008] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7499] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7499] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7499] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7499] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7514], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7514 [pid 7499] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 243.778926][ T7512] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 243.798102][ T7502] overlayfs: upper fs needs to support d_type. [ 243.805480][ T7502] overlayfs: upper fs does not support tmpfile. [ 243.819131][ T7502] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7499] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7514 attached [pid 7514] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7514] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7514] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7502] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7502] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [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 7502] <... futex resumed>) = 0 [pid 7502] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... umount2 resumed>) = 0 [pid 7514] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 243.866979][ T7502] overlayfs: failed to resolve './file0': -2 [ 243.895338][ T7514] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7514] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7499] <... futex resumed>) = 0 [pid 7499] exit_group(0 [pid 7514] exit_group(0 [pid 7502] <... futex resumed>) = ? [pid 7499] <... exit_group resumed>) = ? [pid 7514] +++ exited with 0 +++ [pid 7502] +++ exited with 0 +++ [pid 7499] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7499, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5010] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./116/file0", [pid 5009] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... openat resumed>) = 3 [pid 5010] <... openat resumed>) = 4 [pid 5009] fstat(3, [pid 5010] fstat(4, [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] getdents64(4, [pid 5009] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... close resumed>) = 0 [pid 5009] lstat("./115/binderfs", [pid 5010] rmdir("./116/file0" [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] unlink("./115/binderfs" [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5010] close(3 [pid 5009] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./116") = 0 [pid 5010] mkdir("./117", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 7513] <... write resumed>) = 4194304 [pid 5010] <... close resumed>) = 0 [pid 7511] <... write resumed>) = 4194304 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7511] munmap(0x7f76a8756000, 4194304 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7515 [pid 7513] munmap(0x7f76a8756000, 4194304 [pid 7511] <... munmap resumed>) = 0 [pid 7513] <... munmap resumed>) = 0 [pid 7513] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 7515 attached ) = 4 [pid 7513] ioctl(4, LOOP_SET_FD, 3 [pid 7515] set_robust_list(0x555556dec5e0, 24) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 7515] chdir("./117") = 0 [pid 7515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7511] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7515] <... prctl resumed>) = 0 [pid 7511] <... openat resumed>) = 4 [pid 7515] setpgid(0, 0) = 0 [pid 7511] ioctl(4, LOOP_SET_FD, 3 [pid 7515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7513] <... ioctl resumed>) = 0 [pid 7513] close(3 [pid 7515] write(3, "1000", 4 [pid 7513] <... close resumed>) = 0 [pid 7511] <... ioctl resumed>) = 0 [pid 5008] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7515] <... write resumed>) = 4 [pid 7513] mkdir("./file0", 0777 [pid 7515] close(3) = 0 [pid 7513] <... mkdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7513] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7515] symlink("/dev/binderfs", "./binderfs" [pid 5008] lstat("./115/file0", [pid 7515] <... symlink resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7515] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7515] <... futex resumed>) = 0 [pid 7515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7515] <... mmap resumed>) = 0x7f76b0b56000 [pid 7511] close(3 [pid 5008] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7515] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7511] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 7515] <... mprotect resumed>) = 0 [pid 7511] mkdir("./file0", 0777 [pid 5008] fstat(4, [pid 7515] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7511] <... mkdir resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7511] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5008] getdents64(4, [pid 7515] <... clone resumed>, parent_tid=[7517], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7517 [ 244.035045][ T7513] loop4: detected capacity change from 0 to 8192 [ 244.043152][ T7511] loop3: detected capacity change from 0 to 8192 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7515] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(4, [pid 7515] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7515] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] close(4) = 0 ./strace-static-x86_64: Process 7517 attached [pid 5008] rmdir("./115/file0") = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./115") = 0 [pid 5008] mkdir("./116", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7517] set_robust_list(0x7f76b0b769e0, 24 [pid 5008] close(3 [pid 7517] <... set_robust_list resumed>) = 0 [pid 5009] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 244.074923][ T7513] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.088494][ T7513] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 244.098436][ T7513] REISERFS (device loop4): using ordered data mode [ 244.105173][ T7513] reiserfs: using flush barriers [ 244.111626][ T7511] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5009] lstat("./115/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7519 ./strace-static-x86_64: Process 7519 attached [pid 7517] memfd_create("syzkaller", 0 [pid 5009] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7519] set_robust_list(0x555556dec5e0, 24 [pid 7517] <... memfd_create resumed>) = 3 [pid 7519] <... set_robust_list resumed>) = 0 [pid 7517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7519] chdir("./116" [pid 7517] <... mmap resumed>) = 0x7f76a8756000 [pid 7519] <... chdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7519] <... prctl resumed>) = 0 [pid 5009] <... openat resumed>) = 4 [pid 7519] setpgid(0, 0 [pid 5009] fstat(4, [pid 7519] <... setpgid resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] getdents64(4, [pid 7519] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7519] write(3, "1000", 4 [pid 5009] getdents64(4, [pid 7519] <... write resumed>) = 4 [ 244.113049][ T7513] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 244.125056][ T7511] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 244.150229][ T7511] REISERFS (device loop3): using ordered data mode [ 244.157632][ T7511] reiserfs: using flush barriers [ 244.163979][ T7511] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7519] close(3 [pid 5009] close(4 [pid 7519] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 7519] symlink("/dev/binderfs", "./binderfs" [pid 5009] rmdir("./115/file0" [pid 7519] <... symlink resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 7519] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] getdents64(3, [pid 7519] <... futex resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] close(3 [pid 7519] <... mmap resumed>) = 0x7f76b0b56000 [pid 5009] <... close resumed>) = 0 [pid 7519] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] rmdir("./115" [pid 7519] <... mprotect resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 7519] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] mkdir("./116", 0777) = 0 [pid 7519] <... clone resumed>, parent_tid=[7520], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7520 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7519] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... openat resumed>) = 3 [pid 7519] <... futex resumed>) = 0 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 7519] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] close(3 [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 5009] <... close resumed>) = 0 ./strace-static-x86_64: Process 7520 attached [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7520] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7521 [pid 7520] memfd_create("syzkaller", 0) = 3 [pid 7520] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 244.181310][ T7513] REISERFS (device loop4): checking transaction log (loop4) [ 244.191024][ T7513] REISERFS (device loop4): Using r5 hash to sort names [ 244.207124][ T7511] REISERFS (device loop3): checking transaction log (loop3) [ 244.208861][ T7513] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! ./strace-static-x86_64: Process 7521 attached [pid 7521] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7521] chdir("./116") = 0 [pid 7513] <... mount resumed>) = 0 [pid 7521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7513] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7521] <... prctl resumed>) = 0 [pid 7513] <... openat resumed>) = 3 [pid 7521] setpgid(0, 0 [pid 7513] chdir("./file0" [pid 7521] <... setpgid resumed>) = 0 [pid 7513] <... chdir resumed>) = 0 [pid 7521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7513] ioctl(4, LOOP_CLR_FD [pid 7521] <... openat resumed>) = 3 [pid 7513] <... ioctl resumed>) = 0 [pid 7521] write(3, "1000", 4 [pid 7513] close(4 [pid 7521] <... write resumed>) = 4 [pid 7513] <... close resumed>) = 0 [pid 7521] close(3) = 0 [pid 7521] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7521] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7513] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 244.236297][ T7513] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 244.275333][ T7511] REISERFS (device loop3): Using r5 hash to sort names [pid 7521] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7521] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7522], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7522 [pid 7521] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7521] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7513] <... futex resumed>) = 1 [pid 7510] <... futex resumed>) = 0 [pid 7517] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 7522 attached [pid 7522] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7522] memfd_create("syzkaller", 0) = 3 [pid 7513] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7510] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7517] munmap(0x7f76a8756000, 4194304 [pid 7513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7511] <... mount resumed>) = 0 [pid 7510] <... futex resumed>) = 0 [pid 7522] <... mmap resumed>) = 0x7f76a8756000 [pid 7517] <... munmap resumed>) = 0 [pid 7513] mkdir("./file1", 000 [pid 7511] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7510] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7520] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7513] <... mkdir resumed>) = 0 [pid 7511] <... openat resumed>) = 3 [pid 7517] <... openat resumed>) = 4 [pid 7513] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] chdir("./file0" [pid 7517] ioctl(4, LOOP_SET_FD, 3 [pid 7513] <... futex resumed>) = 1 [pid 7511] <... chdir resumed>) = 0 [pid 7510] <... futex resumed>) = 0 [ 244.283702][ T7511] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.304276][ T7511] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7513] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7511] ioctl(4, LOOP_CLR_FD [pid 7513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7510] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] <... ioctl resumed>) = 0 [pid 7513] mkdir("./bus", 000 [pid 7511] <... ioctl resumed>) = 0 [pid 7510] <... futex resumed>) = 0 [pid 7517] close(3 [pid 7513] <... mkdir resumed>) = 0 [pid 7511] close(4 [pid 7510] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7517] <... close resumed>) = 0 [pid 7513] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] <... close resumed>) = 0 [pid 7517] mkdir("./file0", 0777 [pid 7513] <... futex resumed>) = 0 [pid 7511] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7517] <... mkdir resumed>) = 0 [pid 7513] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7511] <... futex resumed>) = 1 [pid 7510] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7508] <... futex resumed>) = 0 [pid 7517] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7511] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7510] <... futex resumed>) = 0 [pid 7508] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7513] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7510] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7508] <... futex resumed>) = 0 [pid 7511] mkdir("./file1", 000 [pid 7508] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7511] <... mkdir resumed>) = 0 [ 244.349182][ T7517] loop2: detected capacity change from 0 to 8192 [ 244.387327][ T7513] overlayfs: upper fs needs to support d_type. [pid 7511] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7508] <... futex resumed>) = 0 [pid 7511] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7508] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7520] <... write resumed>) = 4194304 [pid 7511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7508] <... futex resumed>) = 0 [pid 7511] mkdir("./bus", 000 [pid 7510] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7508] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7511] <... mkdir resumed>) = 0 [pid 7510] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] <... futex resumed>) = 0 [pid 7511] <... futex resumed>) = 1 [pid 7510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7508] <... futex resumed>) = 0 [pid 7511] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7510] <... mmap resumed>) = 0x7f76a8b35000 [ 244.395137][ T7517] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.409243][ T7513] overlayfs: upper fs does not support tmpfile. [ 244.433081][ T7513] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 244.438478][ T7517] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7508] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7508] <... futex resumed>) = 0 [pid 7510] <... mprotect resumed>) = 0 [pid 7508] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7510] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7524 [pid 7510] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 244.450342][ T7517] REISERFS (device loop2): using ordered data mode [ 244.452387][ T7511] overlayfs: upper fs needs to support d_type. [ 244.457113][ T7517] reiserfs: using flush barriers [ 244.472292][ T7513] overlayfs: failed to resolve './file0': -2 [ 244.477161][ 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 [ 244.478746][ T7511] overlayfs: upper fs does not support tmpfile. [pid 7510] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7520] munmap(0x7f76a8756000, 4194304) = 0 ./strace-static-x86_64: Process 7524 attached [pid 7524] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7524] mkdir(".", 0777 [pid 7520] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7513] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7524] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7520] <... openat resumed>) = 4 [pid 7513] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7524] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7520] ioctl(4, LOOP_SET_FD, 3 [pid 7513] <... futex resumed>) = 0 [pid 7513] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7508] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7508] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7508] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7520] <... ioctl resumed>) = 0 [pid 7508] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7520] close(3) = 0 [pid 7508] <... clone resumed>, parent_tid=[7525], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7525 [pid 7511] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7520] mkdir("./file0", 0777 [pid 7508] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7525 attached [pid 7520] <... mkdir resumed>) = 0 [pid 7508] <... futex resumed>) = 0 [pid 7525] set_robust_list(0x7f76a8b559e0, 24 [pid 7520] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7508] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7525] <... set_robust_list resumed>) = 0 [pid 7525] mkdir(".", 0777) = -1 EEXIST (File exists) [ 244.507214][ T7511] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 244.514948][ T7520] loop0: detected capacity change from 0 to 8192 [ 244.522050][ T7524] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 244.523054][ T7511] overlayfs: failed to resolve './file0': -2 [ 244.544626][ T7517] REISERFS (device loop2): checking transaction log (loop2) [ 244.553684][ T7517] REISERFS (device loop2): Using r5 hash to sort names [ 244.553860][ T7520] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.562291][ T7517] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.577147][ T7525] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7525] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7524] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7511] <... futex resumed>) = 0 [pid 7524] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7524] <... futex resumed>) = 1 [pid 7517] <... mount resumed>) = 0 [pid 7510] <... futex resumed>) = 0 [pid 7510] exit_group(0 [pid 7513] <... futex resumed>) = ? [pid 7510] <... exit_group resumed>) = ? [pid 7513] +++ exited with 0 +++ [pid 7517] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7524] +++ exited with 0 +++ [pid 7517] <... openat resumed>) = 3 [pid 7510] +++ exited with 0 +++ [pid 7517] chdir("./file0" [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7510, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 7525] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7517] <... chdir resumed>) = 0 [pid 7517] ioctl(4, LOOP_CLR_FD) = 0 [pid 5012] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7517] close(4 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7525] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] <... close resumed>) = 0 [ 244.587146][ T7517] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 244.611133][ T7520] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 244.621061][ T7520] REISERFS (device loop0): using ordered data mode [ 244.627701][ T7520] reiserfs: using flush barriers [ 244.634134][ T7520] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5012] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7525] <... futex resumed>) = 1 [pid 7517] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7508] <... futex resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 7517] <... futex resumed>) = 1 [pid 7515] <... futex resumed>) = 0 [pid 7508] exit_group(0 [pid 5012] fstat(3, [pid 7517] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7515] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] <... futex resumed>) = ? [pid 7508] <... exit_group resumed>) = ? [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7515] <... futex resumed>) = 0 [pid 7511] +++ exited with 0 +++ [pid 5012] getdents64(3, [pid 7525] +++ exited with 0 +++ [pid 7517] mkdir("./file1", 000 [pid 7515] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7508] +++ exited with 0 +++ [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7517] <... mkdir resumed>) = 0 [pid 5012] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7517] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7508, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 7517] <... futex resumed>) = 1 [pid 7515] <... futex resumed>) = 0 [pid 5012] lstat("./118/binderfs", [pid 5011] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7517] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7515] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7515] <... futex resumed>) = 0 [pid 5012] unlink("./118/binderfs" [pid 5011] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7517] mkdir("./bus", 000 [pid 7515] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... unlink resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 7517] <... mkdir resumed>) = 0 [pid 5012] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] fstat(3, [pid 7517] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7517] <... futex resumed>) = 1 [pid 7515] <... futex resumed>) = 0 [pid 5011] getdents64(3, [pid 7520] <... mount resumed>) = 0 [pid 7517] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7515] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7522] <... write resumed>) = 4194304 [pid 7520] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7515] <... futex resumed>) = 0 [ 244.650926][ T7520] REISERFS (device loop0): checking transaction log (loop0) [ 244.659825][ T7520] REISERFS (device loop0): Using r5 hash to sort names [ 244.677263][ T7520] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.690527][ T7520] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5011] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7522] munmap(0x7f76a8756000, 4194304 [pid 7520] <... openat resumed>) = 3 [pid 7517] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7515] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7522] <... munmap resumed>) = 0 [pid 7520] chdir("./file0" [pid 5011] lstat("./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./117/binderfs" [pid 7522] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7520] <... chdir resumed>) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 7522] <... openat resumed>) = 4 [pid 7520] ioctl(4, LOOP_CLR_FD [pid 5011] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7522] ioctl(4, LOOP_SET_FD, 3 [pid 7520] <... ioctl resumed>) = 0 [pid 7522] <... ioctl resumed>) = 0 [pid 7520] close(4 [pid 7522] close(3 [pid 7520] <... close resumed>) = 0 [pid 7522] <... close resumed>) = 0 [pid 7520] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] mkdir("./file0", 0777 [pid 7520] <... futex resumed>) = 1 [pid 7519] <... futex resumed>) = 0 [pid 7522] <... mkdir resumed>) = 0 [pid 7520] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7519] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7519] <... futex resumed>) = 0 [pid 7515] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7520] mkdir("./file1", 000 [pid 7519] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 244.721231][ T7517] overlayfs: upper fs needs to support d_type. [ 244.732753][ T7517] overlayfs: upper fs does not support tmpfile. [ 244.740943][ T7522] loop1: detected capacity change from 0 to 8192 [ 244.748597][ T7517] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7515] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7520] <... mkdir resumed>) = 0 [pid 7515] <... futex resumed>) = 0 [pid 7520] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7515] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7515] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7520] <... futex resumed>) = 1 [pid 7519] <... futex resumed>) = 0 [pid 7520] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7519] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7515] <... clone resumed>, parent_tid=[7528], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7528 [pid 7520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7519] <... futex resumed>) = 0 [pid 7515] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7520] mkdir("./bus", 000 [pid 7519] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7515] <... futex resumed>) = 0 [pid 7520] <... mkdir resumed>) = 0 [pid 7515] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7528 attached [pid 7520] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7528] set_robust_list(0x7f76a8b559e0, 24 [pid 7520] <... futex resumed>) = 1 [pid 7519] <... futex resumed>) = 0 [ 244.784348][ T7517] overlayfs: failed to resolve './file0': -2 [ 244.791591][ T7522] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7528] <... set_robust_list resumed>) = 0 [pid 7520] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7519] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = 0 [pid 7528] mkdir(".", 0777 [pid 7520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7519] <... futex resumed>) = 0 [pid 5012] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7528] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7520] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7519] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 244.828522][ T7522] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 244.838281][ T7522] REISERFS (device loop1): using ordered data mode [ 244.844847][ T7522] reiserfs: using flush barriers [ 244.852206][ T7520] overlayfs: upper fs needs to support d_type. [ 244.858838][ T7522] 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 7528] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] lstat("./118/file0", [pid 5011] <... umount2 resumed>) = 0 [pid 7517] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7517] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7517] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7517] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] openat(AT_FDCWD, "./118/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... openat resumed>) = 4 [pid 5012] fstat(4, [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4 [pid 5011] lstat("./117/file0", [pid 7520] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... close resumed>) = 0 [pid 7520] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] rmdir("./118/file0" [pid 7520] <... futex resumed>) = 1 [pid 7519] <... futex resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7520] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7519] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(3, [pid 5011] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7519] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7528] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7520] mkdir(".", 0777 [pid 7519] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] close(3 [pid 5011] openat(AT_FDCWD, "./117/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7520] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5012] <... close resumed>) = 0 [pid 7528] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... openat resumed>) = 4 [pid 7528] <... futex resumed>) = 1 [pid 7515] <... futex resumed>) = 0 [pid 7520] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7515] exit_group(0 [pid 7528] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7515] <... exit_group resumed>) = ? [pid 5012] rmdir("./118" [pid 7517] <... futex resumed>) = ? [pid 5011] fstat(4, [pid 7517] +++ exited with 0 +++ [pid 5012] <... rmdir resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] mkdir("./119", 0777 [pid 7528] <... futex resumed>) = ? [pid 7528] +++ exited with 0 +++ [pid 7515] +++ exited with 0 +++ [ 244.885977][ T7520] overlayfs: upper fs does not support tmpfile. [ 244.891159][ T7528] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 244.893150][ T7520] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 244.914511][ T7520] overlayfs: failed to resolve './file0': -2 [ 244.922243][ T7522] REISERFS (device loop1): checking transaction log (loop1) [pid 5011] getdents64(4, [pid 5012] <... mkdir resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7515, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7520] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] getdents64(4, [pid 5012] <... openat resumed>) = 3 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5011] close(4 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... close resumed>) = 0 [pid 5012] close(3 [pid 5011] rmdir("./117/file0" [pid 5012] <... close resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] getdents64(3, [pid 7522] <... mount resumed>) = 0 [pid 7520] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7529 [pid 5011] close(3 [pid 5010] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7529 attached [pid 7522] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7520] <... futex resumed>) = 1 [pid 7519] <... futex resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7529] set_robust_list(0x555556dec5e0, 24 [pid 7522] <... openat resumed>) = 3 [pid 7520] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7519] exit_group(0 [pid 5011] rmdir("./117" [pid 5010] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7529] <... set_robust_list resumed>) = 0 [pid 7522] chdir("./file0" [pid 7520] <... futex resumed>) = ? [pid 7519] <... exit_group resumed>) = ? [pid 5011] <... rmdir resumed>) = 0 [pid 7529] chdir("./119" [pid 7522] <... chdir resumed>) = 0 [pid 7520] +++ exited with 0 +++ [pid 5010] <... openat resumed>) = 3 [pid 7522] ioctl(4, LOOP_CLR_FD) = 0 [pid 7519] +++ exited with 0 +++ [pid 5011] mkdir("./118", 0777 [pid 5010] fstat(3, [pid 7529] <... chdir resumed>) = 0 [pid 7522] close(4) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7519, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7522] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... mkdir resumed>) = 0 [pid 5010] getdents64(3, [pid 7529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7522] <... futex resumed>) = 1 [pid 7521] <... futex resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7529] <... prctl resumed>) = 0 [pid 7522] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7521] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... openat resumed>) = 3 [pid 5010] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7529] setpgid(0, 0 [pid 7522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7521] <... futex resumed>) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7529] <... setpgid resumed>) = 0 [pid 7522] mkdir("./file1", 000 [pid 7521] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] lstat("./117/binderfs", [pid 7529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7522] <... mkdir resumed>) = 0 [pid 5011] close(3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7529] <... openat resumed>) = 3 [pid 7522] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... close resumed>) = 0 [pid 5010] unlink("./117/binderfs" [pid 7522] <... futex resumed>) = 1 [pid 7521] <... futex resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7529] write(3, "1000", 4 [pid 7522] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7521] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... unlink resumed>) = 0 [pid 5008] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7521] <... futex resumed>) = 0 [pid 7529] <... write resumed>) = 4 [pid 7522] mkdir("./bus", 000 [pid 7521] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7529] close(3 [pid 7522] <... mkdir resumed>) = 0 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7530 [pid 7529] <... close resumed>) = 0 [pid 7522] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7522] <... futex resumed>) = 1 [pid 7521] <... futex resumed>) = 0 [pid 7522] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7521] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7530 attached [pid 7522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 244.939367][ T7522] REISERFS (device loop1): Using r5 hash to sort names [ 244.941346][ T7520] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 244.947599][ T7522] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.973085][ T7522] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7521] <... futex resumed>) = 0 [pid 7530] set_robust_list(0x555556dec5e0, 24 [pid 7529] symlink("/dev/binderfs", "./binderfs" [pid 7522] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7521] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... openat resumed>) = 3 [pid 7530] <... set_robust_list resumed>) = 0 [pid 7529] <... symlink resumed>) = 0 [pid 7530] chdir("./118" [pid 7529] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] fstat(3, [pid 7530] <... chdir resumed>) = 0 [pid 7530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7530] setpgid(0, 0) = 0 [pid 7530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7530] write(3, "1000", 4) = 4 [pid 7529] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7530] close(3 [pid 5008] getdents64(3, [pid 7530] <... close resumed>) = 0 [pid 7529] <... mmap resumed>) = 0x7f76b0b56000 [pid 7530] symlink("/dev/binderfs", "./binderfs" [pid 7529] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7530] <... symlink resumed>) = 0 [pid 7529] <... mprotect resumed>) = 0 [pid 7530] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7530] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7530] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7531], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7531 [pid 7530] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7530] <... futex resumed>) = 0 [pid 7530] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7529] clone(child_stack=0x7f76b0b763f0, 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("./116/binderfs", [pid 7529] <... clone resumed>, parent_tid=[7532], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7532 [pid 7529] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7529] <... futex resumed>) = 0 [pid 5008] unlink("./116/binderfs" [pid 7529] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7531 attached [pid 5008] <... unlink resumed>) = 0 [pid 7531] set_robust_list(0x7f76b0b769e0, 24./strace-static-x86_64: Process 7532 attached ) = 0 [pid 5008] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7532] set_robust_list(0x7f76b0b769e0, 24 [pid 7531] memfd_create("syzkaller", 0 [pid 7532] <... set_robust_list resumed>) = 0 [pid 7531] <... memfd_create resumed>) = 3 [pid 7532] memfd_create("syzkaller", 0 [pid 7531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7532] <... memfd_create resumed>) = 3 [pid 7531] <... mmap resumed>) = 0x7f76a8756000 [pid 7532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7521] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7521] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7521] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7521] clone(child_stack=0x7f76a8b553f0, 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=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7533 [pid 7521] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 245.015984][ T7522] overlayfs: upper fs needs to support d_type. [ 245.022251][ T7522] overlayfs: upper fs does not support tmpfile. [ 245.051398][ T7522] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7521] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7533 attached [pid 7533] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7533] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7533] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./117/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 245.121310][ T7533] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5010] openat(AT_FDCWD, "./117/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7533] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7532] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] <... openat resumed>) = 4 [pid 7533] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [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 7533] <... futex resumed>) = 1 [pid 7521] <... futex resumed>) = 0 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7533] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] getdents64(4, [pid 7522] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7522] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7522] <... futex resumed>) = 0 [pid 5010] getdents64(4, [pid 7522] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7521] exit_group(0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7533] <... futex resumed>) = ? [pid 7522] <... futex resumed>) = ? [pid 7521] <... exit_group resumed>) = ? [pid 5010] close(4 [pid 7533] +++ exited with 0 +++ [pid 7522] +++ exited with 0 +++ [pid 7521] +++ exited with 0 +++ [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./117/file0" [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7521, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5010] <... rmdir resumed>) = 0 [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5010] getdents64(3, [pid 5009] <... restart_syscall resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5009] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] rmdir("./117" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... rmdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = 0 [pid 5010] mkdir("./118", 0777 [pid 5009] <... openat resumed>) = 3 [pid 5009] fstat(3, [pid 5008] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [ 245.179336][ T7522] overlayfs: failed to resolve './file0': -2 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./116/file0", [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] close(3 [pid 5009] lstat("./116/binderfs", [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./116/binderfs") = 0 [pid 5009] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7534 [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./116/file0"./strace-static-x86_64: Process 7534 attached ) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7534] set_robust_list(0x555556dec5e0, 24 [pid 5008] close(3) = 0 [pid 5008] rmdir("./116" [pid 7534] <... set_robust_list resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] mkdir("./117", 0777 [pid 7534] chdir("./118" [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", 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 7534] <... chdir resumed>) = 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 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7535 [pid 7534] <... openat resumed>) = 3 [pid 7534] write(3, "1000", 4) = 4 [pid 7534] close(3./strace-static-x86_64: Process 7535 attached ) = 0 [pid 7535] set_robust_list(0x555556dec5e0, 24 [pid 7534] symlink("/dev/binderfs", "./binderfs" [pid 7535] <... set_robust_list resumed>) = 0 [pid 7534] <... symlink resumed>) = 0 [pid 7535] chdir("./117" [pid 7534] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... chdir resumed>) = 0 [pid 7534] <... futex resumed>) = 0 [pid 7535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7535] <... prctl resumed>) = 0 [pid 7534] <... mmap resumed>) = 0x7f76b0b56000 [pid 7535] setpgid(0, 0 [pid 7534] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7535] <... setpgid resumed>) = 0 [pid 7534] <... mprotect resumed>) = 0 [pid 7535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7534] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7535] <... openat resumed>) = 3 [pid 7535] write(3, "1000", 4 [pid 7534] <... clone resumed>, parent_tid=[7536], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7536 [pid 7535] <... write resumed>) = 4 [pid 7534] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] close(3 [pid 7534] <... futex resumed>) = 0 [pid 7535] <... close resumed>) = 0 [pid 7534] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7535] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7535] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7536 attached ) = 0x7f76b0b56000 [pid 7536] set_robust_list(0x7f76b0b769e0, 24 [pid 7535] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7536] <... set_robust_list resumed>) = 0 [pid 7535] <... mprotect resumed>) = 0 [pid 7536] memfd_create("syzkaller", 0 [pid 7535] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7536] <... memfd_create resumed>) = 3 [pid 7536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7535] <... clone resumed>, parent_tid=[7537], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7537 [pid 7536] <... mmap resumed>) = 0x7f76a8756000 [pid 7535] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7535] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7531] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 7537 attached [pid 7537] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7537] memfd_create("syzkaller", 0) = 3 [pid 7537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7532] <... write resumed>) = 4194304 [pid 7532] munmap(0x7f76a8756000, 4194304) = 0 [pid 7532] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7531] munmap(0x7f76a8756000, 4194304 [pid 7532] <... openat resumed>) = 4 [pid 7532] ioctl(4, LOOP_SET_FD, 3 [pid 7531] <... munmap resumed>) = 0 [pid 7531] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7531] ioctl(4, LOOP_SET_FD, 3 [pid 7532] <... ioctl resumed>) = 0 [pid 7532] close(3) = 0 [pid 7532] mkdir("./file0", 0777) = 0 [pid 7531] <... ioctl resumed>) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 7532] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./116/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7531] close(3 [pid 5009] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7531] <... close resumed>) = 0 [ 245.369758][ T7532] loop4: detected capacity change from 0 to 8192 [ 245.371556][ T7531] loop3: detected capacity change from 0 to 8192 [pid 7537] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./116/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./116") = 0 [pid 5009] mkdir("./117", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7531] mkdir("./file0", 0777) = 0 [pid 7531] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7539 ./strace-static-x86_64: Process 7539 attached [ 245.413565][ T7532] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7536] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7539] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7539] chdir("./117") = 0 [pid 7539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7539] setpgid(0, 0) = 0 [pid 7539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7539] write(3, "1000", 4) = 4 [pid 7539] close(3) = 0 [pid 7539] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7539] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7539] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7539] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7541], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7541 [pid 7539] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7539] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7541 attached [pid 7541] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7541] memfd_create("syzkaller", 0) = 3 [pid 7541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7537] <... write resumed>) = 4194304 [pid 7537] munmap(0x7f76a8756000, 4194304) = 0 [pid 7537] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 245.465399][ T7532] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 245.482140][ T7531] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.484711][ T7532] REISERFS (device loop4): using ordered data mode [pid 7537] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7537] close(3) = 0 [pid 7537] mkdir("./file0", 0777) = 0 [ 245.533254][ T7537] loop0: detected capacity change from 0 to 8192 [ 245.540838][ T7532] reiserfs: using flush barriers [ 245.545330][ T7531] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 245.556925][ T7531] REISERFS (device loop3): using ordered data mode [ 245.564111][ T7531] reiserfs: using flush barriers [pid 7537] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 245.564321][ T7532] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.570672][ T7531] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.602540][ T7537] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.603127][ T7531] REISERFS (device loop3): checking transaction log (loop3) [ 245.624723][ T7537] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 245.636729][ T7537] REISERFS (device loop0): using ordered data mode [ 245.637555][ T7531] REISERFS (device loop3): Using r5 hash to sort names [ 245.644184][ T7537] reiserfs: using flush barriers [ 245.658780][ T7537] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.665887][ T7532] REISERFS (device loop4): checking transaction log (loop4) [pid 7541] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7536] <... write resumed>) = 4194304 [pid 7536] munmap(0x7f76a8756000, 4194304) = 0 [ 245.675841][ T7537] REISERFS (device loop0): checking transaction log (loop0) [ 245.685774][ T7531] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 245.691181][ T7537] REISERFS (device loop0): Using r5 hash to sort names [ 245.709959][ T7537] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 245.723299][ T7537] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7536] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7537] <... mount resumed>) = 0 [pid 7537] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7537] chdir("./file0") = 0 [pid 7537] ioctl(4, LOOP_CLR_FD) = 0 [pid 7537] close(4) = 0 [pid 7537] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... futex resumed>) = 0 [pid 7536] <... openat resumed>) = 4 [pid 7536] ioctl(4, LOOP_SET_FD, 3 [pid 7535] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7535] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7537] <... futex resumed>) = 1 [pid 7537] mkdir("./file1", 000) = 0 [pid 7537] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... futex resumed>) = 0 [pid 7535] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7535] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7537] <... futex resumed>) = 1 [pid 7537] mkdir("./bus", 000) = 0 [pid 7537] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... futex resumed>) = 0 [pid 7535] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7535] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7537] <... futex resumed>) = 1 [pid 7537] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7541] <... write resumed>) = 4194304 [pid 7536] <... ioctl resumed>) = 0 [pid 7531] <... mount resumed>) = 0 [pid 7541] munmap(0x7f76a8756000, 4194304 [pid 7536] close(3 [pid 7541] <... munmap resumed>) = 0 [pid 7536] <... close resumed>) = 0 [pid 7541] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7536] mkdir("./file0", 0777 [pid 7531] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7541] <... openat resumed>) = 4 [pid 7536] <... mkdir resumed>) = 0 [pid 7531] <... openat resumed>) = 3 [ 245.723875][ T7531] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 245.748482][ T7536] loop2: detected capacity change from 0 to 8192 [ 245.752848][ T7537] overlayfs: upper fs needs to support d_type. [ 245.765641][ T7537] overlayfs: upper fs does not support tmpfile. [ 245.767531][ T7532] REISERFS (device loop4): Using r5 hash to sort names [pid 7541] ioctl(4, LOOP_SET_FD, 3 [pid 7536] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7531] chdir("./file0") = 0 [pid 7531] ioctl(4, LOOP_CLR_FD) = 0 [pid 7535] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7531] close(4 [pid 7535] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7531] <... close resumed>) = 0 [pid 7531] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7531] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7535] <... futex resumed>) = 0 [pid 7530] <... futex resumed>) = 0 [ 245.786197][ T7537] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 245.786709][ T7541] loop1: detected capacity change from 0 to 8192 [ 245.794920][ T7537] overlayfs: failed to resolve './file0': -2 [ 245.809183][ T7532] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 245.822667][ T7532] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7541] <... ioctl resumed>) = 0 [pid 7535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7532] <... mount resumed>) = 0 [pid 7530] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] close(3 [pid 7532] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7541] <... close resumed>) = 0 [pid 7532] <... openat resumed>) = 3 [pid 7541] mkdir("./file0", 0777 [pid 7532] chdir("./file0" [pid 7541] <... mkdir resumed>) = 0 [pid 7532] <... chdir resumed>) = 0 [pid 7541] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7532] ioctl(4, LOOP_CLR_FD) = 0 [pid 7532] close(4) = 0 [pid 7532] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7532] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7530] <... futex resumed>) = 1 [pid 7529] <... futex resumed>) = 0 [pid 7535] <... mmap resumed>) = 0x7f76a8b35000 [pid 7529] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7535] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7532] <... futex resumed>) = 0 [pid 7531] <... futex resumed>) = 0 [pid 7529] <... futex resumed>) = 1 [pid 7535] <... mprotect resumed>) = 0 [pid 7532] mkdir("./file1", 000) = 0 [pid 7532] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7532] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7531] mkdir("./file1", 000 [pid 7529] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7535] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7531] <... mkdir resumed>) = 0 [pid 7537] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7537] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7537] <... futex resumed>) = 0 [pid 7529] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... clone resumed>, parent_tid=[7545], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7545 [pid 7531] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7537] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7532] <... futex resumed>) = 0 [pid 7529] <... futex resumed>) = 1 [pid 7535] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] mkdir("./bus", 000 [pid 7531] <... futex resumed>) = 1 [pid 7530] <... futex resumed>) = 0 [pid 7535] <... futex resumed>) = 0 [pid 7529] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7532] <... mkdir resumed>) = 0 [pid 7532] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 245.825876][ T7536] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.848035][ T7541] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.848534][ T7536] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 245.875351][ T7536] REISERFS (device loop2): using ordered data mode [pid 7532] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7535] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7531] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7530] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7545 attached [pid 7545] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7545] mkdir(".", 0777 [pid 7531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7530] <... futex resumed>) = 0 [pid 7529] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] <... futex resumed>) = 0 [pid 7530] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7529] <... futex resumed>) = 1 [pid 7531] mkdir("./bus", 000 [pid 7532] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7531] <... mkdir resumed>) = 0 [pid 7529] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7545] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7545] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7531] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 245.883681][ T7536] reiserfs: using flush barriers [ 245.893742][ T7532] overlayfs: upper fs needs to support d_type. [ 245.895633][ T7541] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 245.905297][ T7532] overlayfs: upper fs does not support tmpfile. [ 245.909137][ T7536] 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 7531] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7530] <... futex resumed>) = 0 [pid 7530] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7531] <... futex resumed>) = 0 [pid 7530] <... futex resumed>) = 1 [pid 7531] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7530] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7529] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7529] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7529] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [ 245.931124][ T7545] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 245.932517][ T7536] REISERFS (device loop2): checking transaction log (loop2) [ 245.953998][ T7536] REISERFS (device loop2): Using r5 hash to sort names [ 245.962042][ T7532] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 245.962089][ T7531] overlayfs: upper fs needs to support d_type. [ 245.975784][ T7536] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7529] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7546], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7546 [pid 7529] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7529] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7546 attached [pid 7546] set_robust_list(0x7f76a8b559e0, 24 [pid 7545] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7536] <... mount resumed>) = 0 [pid 7532] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 245.986517][ T7541] REISERFS (device loop1): using ordered data mode [ 245.996861][ T7532] overlayfs: failed to resolve './file0': -2 [ 246.001153][ T7541] reiserfs: using flush barriers [ 246.003850][ T7536] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 246.012005][ T7531] overlayfs: upper fs does not support tmpfile. [pid 7546] <... set_robust_list resumed>) = 0 [pid 7545] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7536] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7532] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7546] mkdir(".", 0777 [pid 7545] <... futex resumed>) = 1 [pid 7536] <... openat resumed>) = 3 [pid 7532] <... futex resumed>) = 0 [pid 7530] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... futex resumed>) = 0 [pid 7545] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7536] chdir("./file0" [pid 7532] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7530] <... futex resumed>) = 0 [pid 7546] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7536] <... chdir resumed>) = 0 [pid 7535] exit_group(0 [pid 7530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7536] ioctl(4, LOOP_CLR_FD [pid 7535] <... exit_group resumed>) = ? [pid 7545] <... futex resumed>) = ? [pid 7537] <... futex resumed>) = ? [pid 7545] +++ exited with 0 +++ [pid 7536] <... ioctl resumed>) = 0 [pid 7530] <... mmap resumed>) = 0x7f76a8b35000 [pid 7537] +++ exited with 0 +++ [pid 7546] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7536] close(4 [pid 7535] +++ exited with 0 +++ [pid 7530] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7535, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} --- [pid 5008] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./117", 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, [pid 7536] <... close resumed>) = 0 [pid 7530] <... mprotect resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 246.019863][ T7541] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 246.029745][ T7531] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 246.041037][ T7541] REISERFS (device loop1): checking transaction log (loop1) [ 246.059799][ T7531] overlayfs: failed to resolve './file0': -2 [ 246.061068][ T7541] REISERFS (device loop1): Using r5 hash to sort names [pid 5008] unlink("./117/binderfs") = 0 [pid 5008] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7536] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7536] <... futex resumed>) = 1 [pid 7534] <... futex resumed>) = 0 [pid 7534] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7534] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7547 attached [pid 7547] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7547] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7536] mkdir("./file1", 000 [pid 7530] <... clone resumed>, parent_tid=[7547], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7547 [pid 7536] <... mkdir resumed>) = 0 [pid 7530] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7546] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7536] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7546] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] <... futex resumed>) = 0 [pid 7547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7546] <... futex resumed>) = 1 [pid 7541] <... mount resumed>) = 0 [pid 7536] <... futex resumed>) = 1 [pid 7530] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7546] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7536] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7529] <... futex resumed>) = 0 [pid 7534] <... futex resumed>) = 0 [pid 7534] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] exit_group(0 [pid 7536] <... futex resumed>) = 0 [pid 7534] <... futex resumed>) = 1 [pid 7529] <... exit_group resumed>) = ? [pid 7547] mkdir(".", 0777 [pid 7546] <... futex resumed>) = ? [pid 7541] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7536] mkdir("./bus", 000 [pid 7534] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7532] <... futex resumed>) = ? [pid 7547] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7546] +++ exited with 0 +++ [pid 7541] <... openat resumed>) = 3 [pid 7536] <... mkdir resumed>) = 0 [pid 7547] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7541] chdir("./file0" [pid 7536] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] +++ exited with 0 +++ [pid 7529] +++ exited with 0 +++ [pid 7541] <... chdir resumed>) = 0 [pid 7536] <... futex resumed>) = 1 [pid 7534] <... futex resumed>) = 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7529, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 7541] ioctl(4, LOOP_CLR_FD [pid 7536] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7534] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] <... ioctl resumed>) = 0 [pid 7536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7534] <... futex resumed>) = 0 [ 246.080145][ T7546] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 246.095945][ T7541] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 246.111666][ T7541] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7541] close(4 [pid 7536] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7534] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7541] <... close resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7541] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7541] <... futex resumed>) = 1 [pid 7539] <... futex resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 7541] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7539] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(3, [pid 7541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7539] <... futex resumed>) = 0 [pid 7531] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7541] mkdir("./file1", 000 [pid 7539] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7531] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(3, [pid 7541] <... mkdir resumed>) = 0 [pid 7531] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7541] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7531] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7541] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7541] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] lstat("./119/binderfs", [pid 7539] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7541] <... futex resumed>) = 0 [pid 7539] <... futex resumed>) = 1 [pid 5012] unlink("./119/binderfs" [pid 7541] mkdir("./bus", 000 [pid 5012] <... unlink resumed>) = 0 [pid 7541] <... mkdir resumed>) = 0 [pid 5012] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7541] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7541] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7539] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7539] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7539] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7541] <... futex resumed>) = 0 [ 246.143026][ T7536] overlayfs: upper fs needs to support d_type. [ 246.154412][ T7536] overlayfs: upper fs does not support tmpfile. [ 246.171626][ T7547] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 246.178121][ T7536] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7541] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7534] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7534] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7534] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7534] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7548], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7548 [pid 7534] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7534] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7548 attached [pid 7548] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7548] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7548] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7547] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7547] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7539] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7539] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7539] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7539] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7549], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7549 [pid 7539] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7539] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7547] <... futex resumed>) = 1 [pid 7530] <... futex resumed>) = 0 [pid 7547] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7530] exit_group(0 [pid 7531] <... futex resumed>) = ? [pid 7530] <... exit_group resumed>) = ? [pid 7531] +++ exited with 0 +++ ./strace-static-x86_64: Process 7549 attached [pid 7547] <... futex resumed>) = ? [pid 7549] set_robust_list(0x7f76a8b559e0, 24 [pid 7547] +++ exited with 0 +++ [pid 7530] +++ exited with 0 +++ [pid 7549] <... set_robust_list resumed>) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7530, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5011] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7549] mkdir(".", 0777 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7549] <... mkdir resumed>) = -1 EEXIST (File exists) [ 246.199258][ T7541] overlayfs: upper fs needs to support d_type. [ 246.233688][ T7541] overlayfs: upper fs does not support tmpfile. [pid 5011] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./118/binderfs" [pid 7549] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5011] <... unlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [ 246.266000][ T7548] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 246.302046][ T7549] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5011] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7548] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7548] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7548] <... futex resumed>) = 1 [pid 7534] <... futex resumed>) = 0 [pid 5008] lstat("./117/file0", [pid 7548] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./117/file0", 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, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7549] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(4, [pid 7549] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7549] <... futex resumed>) = 1 [pid 7539] <... futex resumed>) = 0 [ 246.342019][ T7536] overlayfs: failed to resolve './file0': -2 [ 246.362635][ T7541] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5008] close(4 [pid 7549] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... umount2 resumed>) = 0 [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] rmdir("./117/file0" [pid 5011] lstat("./118/file0", [pid 7536] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... rmdir resumed>) = 0 [pid 7536] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7534] exit_group(0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 7548] <... futex resumed>) = ? [pid 7536] <... futex resumed>) = ? [pid 7534] <... exit_group resumed>) = ? [pid 5011] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7548] +++ exited with 0 +++ [pid 7541] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7536] +++ exited with 0 +++ [pid 7541] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7541] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7534] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7534, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] close(3 [pid 5011] openat(AT_FDCWD, "./118/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... close resumed>) = 0 [pid 5011] <... openat resumed>) = 4 [pid 5008] rmdir("./117" [pid 7539] exit_group(0 [pid 5011] fstat(4, [pid 5012] lstat("./119/file0", [pid 7549] <... futex resumed>) = ? [pid 7541] <... futex resumed>) = ? [pid 7539] <... exit_group resumed>) = ? [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7549] +++ exited with 0 +++ [pid 7541] +++ exited with 0 +++ [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7539] +++ exited with 0 +++ [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7539, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5011] getdents64(4, [pid 5008] mkdir("./118", 0777 [pid 5010] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./119/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] getdents64(4, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] close(4 [pid 5008] <... openat resumed>) = 3 [pid 5010] <... openat resumed>) = 3 [pid 5009] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... close resumed>) = 0 [pid 5010] fstat(3, [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5011] rmdir("./118/file0" [pid 5009] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] <... openat resumed>) = 4 [pid 5011] <... rmdir resumed>) = 0 [pid 5010] getdents64(3, [pid 5009] fstat(3, [pid 5008] close(3 [pid 5011] getdents64(3, [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] close(3 [pid 5009] getdents64(3, [pid 5008] <... close resumed>) = 0 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./119/file0" [pid 5011] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] rmdir("./118" [pid 5010] lstat("./118/binderfs", [pid 5009] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... rmdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... rmdir resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] lstat("./117/binderfs", [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7550 [pid 5011] mkdir("./119", 0777 [pid 5010] unlink("./118/binderfs" [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7550 attached [pid 5012] getdents64(3, [pid 5011] <... mkdir resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5009] unlink("./117/binderfs" [pid 7550] set_robust_list(0x555556dec5e0, 24 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [ 246.387650][ T7541] overlayfs: failed to resolve './file0': -2 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5010] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7550] <... set_robust_list resumed>) = 0 [pid 5012] close(3 [pid 5011] <... openat resumed>) = 3 [pid 5009] <... unlink resumed>) = 0 [pid 7550] chdir("./118" [pid 5012] <... close resumed>) = 0 [pid 7550] <... chdir resumed>) = 0 [pid 5012] rmdir("./119" [pid 7550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] <... rmdir resumed>) = 0 [pid 7550] <... prctl resumed>) = 0 [pid 5012] mkdir("./120", 0777 [pid 7550] setpgid(0, 0 [pid 5012] <... mkdir resumed>) = 0 [pid 7550] <... setpgid resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... openat resumed>) = 3 [pid 7550] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 7550] write(3, "1000", 4 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7550] <... write resumed>) = 4 [pid 5012] close(3 [pid 7550] close(3 [pid 5012] <... close resumed>) = 0 [pid 7550] <... close resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7550] symlink("/dev/binderfs", "./binderfs" [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7550] <... symlink resumed>) = 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7551 [pid 7550] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7550] <... futex resumed>) = 0 [pid 7550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] close(3 [pid 7550] <... mmap resumed>) = 0x7f76b0b56000 [pid 7550] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] <... close resumed>) = 0 [pid 7550] <... mprotect resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7550] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7552], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7552 [pid 7550] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7550] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7551 attached [pid 7551] set_robust_list(0x555556dec5e0, 24 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7553 [pid 7551] <... set_robust_list resumed>) = 0 [pid 7551] chdir("./120") = 0 [pid 7551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7552 attached [pid 7551] setpgid(0, 0 [pid 7552] set_robust_list(0x7f76b0b769e0, 24 [pid 7551] <... setpgid resumed>) = 0 [pid 7552] <... set_robust_list resumed>) = 0 [pid 7551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7552] memfd_create("syzkaller", 0 [pid 7551] <... openat resumed>) = 3 [pid 7552] <... memfd_create resumed>) = 3 [pid 7551] write(3, "1000", 4./strace-static-x86_64: Process 7553 attached [pid 7552] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7551] <... write resumed>) = 4 [pid 7552] <... mmap resumed>) = 0x7f76a8756000 [pid 7551] close(3 [pid 7553] set_robust_list(0x555556dec5e0, 24 [pid 7551] <... close resumed>) = 0 [pid 7553] <... set_robust_list resumed>) = 0 [pid 7551] symlink("/dev/binderfs", "./binderfs" [pid 7553] chdir("./119" [pid 7551] <... symlink resumed>) = 0 [pid 7553] <... chdir resumed>) = 0 [pid 7551] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7551] <... futex resumed>) = 0 [pid 7553] <... prctl resumed>) = 0 [pid 7551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7553] setpgid(0, 0 [pid 7551] <... mmap resumed>) = 0x7f76b0b56000 [pid 7553] <... setpgid resumed>) = 0 [pid 7551] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7551] <... mprotect resumed>) = 0 [pid 7553] <... openat resumed>) = 3 [pid 7551] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7553] write(3, "1000", 4) = 4 [pid 7551] <... clone resumed>, parent_tid=[7554], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7554 [pid 7553] close(3 [pid 7551] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] <... close resumed>) = 0 [pid 7551] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7554 attached [pid 7553] symlink("/dev/binderfs", "./binderfs" [pid 7551] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7553] <... symlink resumed>) = 0 [pid 7554] set_robust_list(0x7f76b0b769e0, 24 [pid 7553] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7554] <... set_robust_list resumed>) = 0 [pid 7553] <... futex resumed>) = 0 [pid 7553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7554] memfd_create("syzkaller", 0 [pid 7553] <... mmap resumed>) = 0x7f76b0b56000 [pid 7554] <... memfd_create resumed>) = 3 [pid 7553] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7554] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7553] <... mprotect resumed>) = 0 [pid 7553] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7554] <... mmap resumed>) = 0x7f76a8756000 [pid 7553] <... clone resumed>, parent_tid=[7555], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7555 [pid 7553] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7553] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7555 attached [pid 7555] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7555] memfd_create("syzkaller", 0) = 3 [pid 7555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7552] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./118/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./118/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./118/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./118") = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 5010] mkdir("./119", 0777 [pid 5009] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... mkdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... openat resumed>) = 3 [pid 7554] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] lstat("./117/file0", [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./117/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7556 [pid 5009] <... openat resumed>) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7555] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 ./strace-static-x86_64: Process 7556 attached [pid 5009] rmdir("./117/file0" [pid 7556] set_robust_list(0x555556dec5e0, 24 [pid 5009] <... rmdir resumed>) = 0 [pid 7556] <... set_robust_list resumed>) = 0 [pid 5009] getdents64(3, [pid 7556] chdir("./119" [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7556] <... chdir resumed>) = 0 [pid 5009] close(3 [pid 7556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... close resumed>) = 0 [pid 7556] <... prctl resumed>) = 0 [pid 5009] rmdir("./117" [pid 7556] setpgid(0, 0 [pid 5009] <... rmdir resumed>) = 0 [pid 7556] <... setpgid resumed>) = 0 [pid 5009] mkdir("./118", 0777 [pid 7556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... mkdir resumed>) = 0 [pid 7556] <... openat resumed>) = 3 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7556] write(3, "1000", 4 [pid 5009] <... openat resumed>) = 3 [pid 7556] <... write resumed>) = 4 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 7556] close(3 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7556] <... close resumed>) = 0 [pid 5009] close(3 [pid 7556] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... close resumed>) = 0 [pid 7556] <... symlink resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7556] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7557 [pid 7556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7556] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7556] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7558 [pid 7556] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7556] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7557 attached [pid 7557] set_robust_list(0x555556dec5e0, 24) = 0 ./strace-static-x86_64: Process 7558 attached [pid 7557] chdir("./118" [pid 7558] set_robust_list(0x7f76b0b769e0, 24 [pid 7557] <... chdir resumed>) = 0 [pid 7558] <... set_robust_list resumed>) = 0 [pid 7558] memfd_create("syzkaller", 0) = 3 [pid 7558] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7557] setpgid(0, 0) = 0 [pid 7557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7557] write(3, "1000", 4) = 4 [pid 7557] close(3) = 0 [pid 7557] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7557] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7557] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7557] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7559], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7559 [pid 7557] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7557] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7559 attached [pid 7559] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7559] memfd_create("syzkaller", 0) = 3 [pid 7555] <... write resumed>) = 4194304 [pid 7559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7554] <... write resumed>) = 4194304 [pid 7559] <... mmap resumed>) = 0x7f76a8756000 [pid 7555] munmap(0x7f76a8756000, 4194304 [pid 7554] munmap(0x7f76a8756000, 4194304 [pid 7552] <... write resumed>) = 4194304 [pid 7558] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7555] <... munmap resumed>) = 0 [pid 7554] <... munmap resumed>) = 0 [pid 7552] munmap(0x7f76a8756000, 4194304 [pid 7555] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7554] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7552] <... munmap resumed>) = 0 [pid 7555] <... openat resumed>) = 4 [pid 7554] <... openat resumed>) = 4 [pid 7552] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7555] ioctl(4, LOOP_SET_FD, 3 [pid 7554] ioctl(4, LOOP_SET_FD, 3 [pid 7552] <... openat resumed>) = 4 [pid 7559] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7555] <... ioctl resumed>) = 0 [pid 7552] ioctl(4, LOOP_SET_FD, 3 [pid 7555] close(3) = 0 [pid 7554] <... ioctl resumed>) = 0 [pid 7555] mkdir("./file0", 0777 [pid 7554] close(3 [pid 7555] <... mkdir resumed>) = 0 [pid 7554] <... close resumed>) = 0 [pid 7552] <... ioctl resumed>) = 0 [pid 7555] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7554] mkdir("./file0", 0777 [pid 7552] close(3 [pid 7554] <... mkdir resumed>) = 0 [pid 7552] <... close resumed>) = 0 [pid 7554] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7552] mkdir("./file0", 0777) = 0 [ 246.818075][ T7555] loop3: detected capacity change from 0 to 8192 [ 246.824919][ T7554] loop4: detected capacity change from 0 to 8192 [ 246.832985][ T7552] loop0: detected capacity change from 0 to 8192 [ 246.851767][ T7554] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 246.855374][ T7555] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 246.864869][ T7554] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 246.887127][ T7554] REISERFS (device loop4): using ordered data mode [ 246.894306][ T7554] reiserfs: using flush barriers [ 246.899409][ T7552] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 246.914592][ T7552] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 246.924186][ T7552] REISERFS (device loop0): using ordered data mode [ 246.924643][ T7554] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 246.931301][ T7552] reiserfs: using flush barriers [ 246.951882][ T7554] REISERFS (device loop4): checking transaction log (loop4) [pid 7552] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7558] <... write resumed>) = 4194304 [pid 7558] munmap(0x7f76a8756000, 4194304) = 0 [pid 7558] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 246.961632][ T7555] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 246.973126][ T7555] REISERFS (device loop3): using ordered data mode [ 246.980309][ T7555] reiserfs: using flush barriers [ 246.989797][ T7555] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7558] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7558] close(3) = 0 [pid 7558] mkdir("./file0", 0777) = 0 [ 247.005453][ T7552] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.006897][ T7555] REISERFS (device loop3): checking transaction log (loop3) [ 247.023760][ T7558] loop2: detected capacity change from 0 to 8192 [ 247.029774][ T7554] REISERFS (device loop4): Using r5 hash to sort names [ 247.043389][ T7554] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 247.048797][ T7552] REISERFS (device loop0): checking transaction log (loop0) [pid 7558] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7559] <... write resumed>) = 4194304 [pid 7559] munmap(0x7f76a8756000, 4194304) = 0 [ 247.066036][ T7555] REISERFS (device loop3): Using r5 hash to sort names [ 247.066499][ T7558] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 247.079408][ T7554] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 247.096347][ T7555] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7559] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7555] <... mount resumed>) = 0 [pid 7554] <... mount resumed>) = 0 [pid 7559] ioctl(4, LOOP_SET_FD, 3 [pid 7555] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 247.112428][ T7555] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 247.116346][ T7552] REISERFS (device loop0): Using r5 hash to sort names [ 247.123115][ T7558] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 247.136469][ T7552] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 247.151041][ T7558] REISERFS (device loop2): using ordered data mode [ 247.151060][ T7558] reiserfs: using flush barriers [pid 7554] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7552] <... mount resumed>) = 0 [pid 7552] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7552] chdir("./file0") = 0 [pid 7552] ioctl(4, LOOP_CLR_FD) = 0 [pid 7552] close(4) = 0 [pid 7552] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7550] <... futex resumed>) = 0 [pid 7550] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] <... openat resumed>) = 3 [pid 7554] <... openat resumed>) = 3 [pid 7550] <... futex resumed>) = 0 [pid 7550] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7552] <... futex resumed>) = 1 [pid 7552] mkdir("./file1", 000) = 0 [pid 7552] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7550] <... futex resumed>) = 0 [pid 7550] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7550] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7552] <... futex resumed>) = 1 [pid 7552] mkdir("./bus", 000) = 0 [pid 7552] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7550] <... futex resumed>) = 0 [pid 7550] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7550] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7552] <... futex resumed>) = 1 [pid 7552] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7555] chdir("./file0" [pid 7554] chdir("./file0" [pid 7555] <... chdir resumed>) = 0 [pid 7554] <... chdir resumed>) = 0 [pid 7555] ioctl(4, LOOP_CLR_FD [pid 7554] ioctl(4, LOOP_CLR_FD [pid 7555] <... ioctl resumed>) = 0 [pid 7554] <... ioctl resumed>) = 0 [pid 7555] close(4 [pid 7554] close(4 [pid 7555] <... close resumed>) = 0 [pid 7554] <... close resumed>) = 0 [pid 7555] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7554] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] <... futex resumed>) = 1 [pid 7554] <... futex resumed>) = 1 [pid 7553] <... futex resumed>) = 0 [pid 7551] <... futex resumed>) = 0 [pid 7555] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7554] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7553] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7553] <... futex resumed>) = 0 [pid 7551] <... futex resumed>) = 0 [pid 7555] mkdir("./file1", 000 [ 247.157790][ T7558] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.165730][ T7552] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 247.179107][ T7559] loop1: detected capacity change from 0 to 8192 [pid 7551] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7555] <... mkdir resumed>) = 0 [pid 7554] mkdir("./file1", 000 [pid 7553] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7559] <... ioctl resumed>) = 0 [pid 7555] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7554] <... mkdir resumed>) = 0 [pid 7553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7559] close(3 [pid 7555] <... futex resumed>) = 0 [pid 7554] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7559] <... close resumed>) = 0 [pid 7555] mkdir("./bus", 000 [pid 7554] <... futex resumed>) = 1 [pid 7553] <... futex resumed>) = 0 [pid 7559] mkdir("./file0", 0777) = 0 [pid 7555] <... mkdir resumed>) = 0 [pid 7554] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7553] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7551] <... futex resumed>) = 0 [pid 7559] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7555] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7551] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] <... futex resumed>) = 0 [pid 7554] <... futex resumed>) = 0 [pid 7553] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] <... futex resumed>) = 1 [pid 7555] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7554] mkdir("./bus", 000 [pid 7553] <... futex resumed>) = 0 [pid 7551] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7554] <... mkdir resumed>) = 0 [pid 7553] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7554] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7550] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7550] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [ 247.213508][ T7558] REISERFS (device loop2): checking transaction log (loop2) [ 247.225846][ T7552] overlayfs: upper fs needs to support d_type. [ 247.232120][ T7552] overlayfs: upper fs does not support tmpfile. [ 247.248583][ T7555] overlayfs: upper fs needs to support d_type. [ 247.250829][ T7552] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7550] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7550] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7565], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7565 [pid 7550] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7550] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7554] <... futex resumed>) = 1 [pid 7554] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7551] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7565 attached [pid 7551] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7551] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7565] set_robust_list(0x7f76a8b559e0, 24 [pid 7554] <... futex resumed>) = 0 [pid 7565] <... set_robust_list resumed>) = 0 [pid 7554] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7565] mkdir(".", 0777) = -1 EEXIST (File exists) [ 247.255079][ T7555] overlayfs: upper fs does not support tmpfile. [ 247.271631][ T7558] REISERFS (device loop2): Using r5 hash to sort names [ 247.279865][ T7559] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 247.283501][ T7555] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 247.304258][ T7554] overlayfs: upper fs needs to support d_type. [pid 7565] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7553] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7553] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7553] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7551] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7553] <... mprotect resumed>) = 0 [pid 7551] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7551] <... futex resumed>) = 0 [pid 7553] <... clone resumed>, parent_tid=[7566], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7566 [pid 7553] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7553] <... futex resumed>) = 0 [pid 7553] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7551] <... mmap resumed>) = 0x7f76a8b35000 [pid 7551] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7566 attached ) = 0 [ 247.307572][ T7552] overlayfs: failed to resolve './file0': -2 [ 247.320852][ T7558] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 247.324591][ T7565] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 247.334412][ T7559] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7566] set_robust_list(0x7f76a8b559e0, 24 [pid 7565] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7551] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7567], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7567 [pid 7551] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7551] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7567 attached [pid 7567] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7567] mkdir(".", 0777 [pid 7566] <... set_robust_list resumed>) = 0 [pid 7565] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7566] mkdir(".", 0777 [pid 7565] <... futex resumed>) = 1 [pid 7550] <... futex resumed>) = 0 [pid 7558] <... mount resumed>) = 0 [pid 7567] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7567] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7566] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7565] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7558] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7566] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7558] <... openat resumed>) = 3 [pid 7552] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7558] chdir("./file0" [ 247.371878][ T7558] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 247.379312][ T7554] overlayfs: upper fs does not support tmpfile. [ 247.388553][ T7559] REISERFS (device loop1): using ordered data mode [ 247.402567][ T7559] reiserfs: using flush barriers [ 247.406695][ T7567] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7552] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7550] exit_group(0) = ? [pid 7552] <... futex resumed>) = ? [pid 7552] +++ exited with 0 +++ [pid 7565] <... futex resumed>) = ? [pid 7558] <... chdir resumed>) = 0 [pid 7567] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7567] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] <... futex resumed>) = 0 [pid 7567] <... futex resumed>) = 1 [pid 7558] ioctl(4, LOOP_CLR_FD) = 0 [pid 7558] close(4 [pid 7565] +++ exited with 0 +++ [pid 7550] +++ exited with 0 +++ [pid 7555] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7558] <... close resumed>) = 0 [pid 7558] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7550, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=27 /* 0.27 s */} --- [pid 7558] <... futex resumed>) = 1 [pid 7556] <... futex resumed>) = 0 [pid 7555] <... futex resumed>) = 0 [pid 7558] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7556] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 247.411895][ T7555] overlayfs: failed to resolve './file0': -2 [ 247.426072][ T7554] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 247.428133][ T7559] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.440589][ T7554] overlayfs: failed to resolve './file0': -2 [ 247.451926][ T7559] REISERFS (device loop1): checking transaction log (loop1) [pid 7555] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7567] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7556] <... futex resumed>) = 0 [pid 7558] mkdir("./file1", 000 [pid 5008] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7558] <... mkdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7558] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7558] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7558] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7556] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7554] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] unlink("./118/binderfs" [pid 7556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7554] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... unlink resumed>) = 0 [pid 7556] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7554] <... futex resumed>) = 0 [pid 5008] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7558] <... futex resumed>) = 0 [pid 7556] <... futex resumed>) = 1 [pid 7554] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7558] mkdir("./bus", 000 [pid 7556] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7551] exit_group(0 [pid 7558] <... mkdir resumed>) = 0 [pid 7567] <... futex resumed>) = ? [pid 7554] <... futex resumed>) = ? [pid 7551] <... exit_group resumed>) = ? [pid 7567] +++ exited with 0 +++ [pid 7558] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7554] +++ exited with 0 +++ [pid 7558] <... futex resumed>) = 1 [pid 7556] <... futex resumed>) = 0 [pid 7558] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7556] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7556] <... futex resumed>) = 0 [pid 7558] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 247.474228][ T7566] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 247.493141][ T7559] REISERFS (device loop1): Using r5 hash to sort names [ 247.502790][ T7559] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7556] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7566] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7551] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7551, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 7566] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] restart_syscall(<... resuming interrupted clone ...> [pid 7566] <... futex resumed>) = 1 [pid 7553] <... futex resumed>) = 0 [pid 5012] <... restart_syscall resumed>) = 0 [pid 7566] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7553] exit_group(0 [pid 7566] <... futex resumed>) = ? [pid 7553] <... exit_group resumed>) = ? [pid 7555] <... futex resumed>) = ? [pid 7555] +++ exited with 0 +++ [pid 7559] <... mount resumed>) = 0 [pid 7559] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7559] chdir("./file0") = 0 [pid 7559] ioctl(4, LOOP_CLR_FD) = 0 [pid 7559] close(4 [pid 7566] +++ exited with 0 +++ [pid 7556] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7553] +++ exited with 0 +++ [pid 5012] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7556] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7553, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7556] <... futex resumed>) = 0 [pid 7556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 5011] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7556] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7556] <... mprotect resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7556] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... openat resumed>) = 3 [pid 5012] <... openat resumed>) = 3 [pid 5011] fstat(3, [pid 7556] <... clone resumed>, parent_tid=[7568], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7568 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7556] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(3, [pid 5011] getdents64(3, [pid 7556] <... futex resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7556] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] getdents64(3, [pid 5011] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] lstat("./119/binderfs", [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] lstat("./120/binderfs", [pid 5011] unlink("./119/binderfs" [pid 7559] <... close resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 7559] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] unlink("./120/binderfs" [pid 5011] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7559] <... futex resumed>) = 1 [pid 7557] <... futex resumed>) = 0 [pid 5012] <... unlink resumed>) = 0 [pid 7559] mkdir("./file1", 000 [pid 7557] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 247.522636][ T7558] overlayfs: upper fs needs to support d_type. [ 247.533336][ T7558] overlayfs: upper fs does not support tmpfile. [ 247.544802][ T7558] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 247.553421][ T7559] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 247.559213][ T7558] overlayfs: failed to resolve './file0': -2 [pid 5012] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7559] <... mkdir resumed>) = 0 [pid 7557] <... futex resumed>) = 0 [pid 7559] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7557] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7568 attached [pid 7559] <... futex resumed>) = 0 [pid 7557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7568] set_robust_list(0x7f76a8b559e0, 24 [pid 7559] mkdir("./bus", 000 [pid 7557] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7568] <... set_robust_list resumed>) = 0 [pid 7559] <... mkdir resumed>) = 0 [pid 7557] <... futex resumed>) = 0 [pid 7568] mkdir(".", 0777 [pid 7559] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7557] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7568] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7559] <... futex resumed>) = 0 [pid 7557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7568] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7559] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7557] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7557] <... futex resumed>) = 0 [pid 7559] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7557] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = 0 [pid 7558] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7558] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7558] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 247.617316][ T7559] overlayfs: upper fs needs to support d_type. [ 247.623585][ T7559] overlayfs: upper fs does not support tmpfile. [ 247.649829][ T7568] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] lstat("./118/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7557] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7557] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7557] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5008] openat(AT_FDCWD, "./118/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7557] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7569], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7569 [pid 7557] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 4 [pid 7557] <... futex resumed>) = 0 [pid 5008] fstat(4, [pid 7557] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, ./strace-static-x86_64: Process 7569 attached [pid 7569] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7569] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7569] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7568] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7568] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7556] <... futex resumed>) = 0 [pid 7556] exit_group(0 [pid 7558] <... futex resumed>) = ? [pid 7556] <... exit_group resumed>) = ? [pid 7558] +++ exited with 0 +++ [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 7568] <... futex resumed>) = ? [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./118/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./118") = 0 [pid 5008] mkdir("./119", 0777) = 0 [ 247.673146][ T7559] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 7568] +++ exited with 0 +++ [pid 7556] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7556, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7570 [pid 5010] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./119/binderfs") = 0 [ 247.716462][ T7569] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5010] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7570 attached [pid 7569] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7569] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7570] set_robust_list(0x555556dec5e0, 24 [pid 7557] <... futex resumed>) = 0 [pid 7569] <... futex resumed>) = 1 [pid 7569] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7570] <... set_robust_list resumed>) = 0 [pid 7570] chdir("./119") = 0 [pid 7570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7570] setpgid(0, 0) = 0 [pid 7570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7570] write(3, "1000", 4) = 4 [pid 7570] close(3) = 0 [pid 7570] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7570] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7570] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7570] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7571 [pid 7570] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7570] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7571 attached [pid 7571] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7571] memfd_create("syzkaller", 0) = 3 [pid 7571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 247.770568][ T7559] overlayfs: failed to resolve './file0': -2 [pid 7559] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7559] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7559] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7557] exit_group(0 [pid 7569] <... futex resumed>) = ? [pid 7559] <... futex resumed>) = ? [pid 7557] <... exit_group resumed>) = ? [pid 7569] +++ exited with 0 +++ [pid 7559] +++ exited with 0 +++ [pid 7557] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7557, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5009] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./118/binderfs") = 0 [pid 5009] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = 0 [pid 5011] <... umount2 resumed>) = 0 [pid 5012] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./120/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./120/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] lstat("./119/file0", [pid 5012] <... openat resumed>) = 4 [pid 5012] fstat(4, [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] openat(AT_FDCWD, "./119/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] close(4 [pid 5011] <... openat resumed>) = 4 [pid 5012] <... close resumed>) = 0 [pid 5012] rmdir("./120/file0" [pid 5011] fstat(4, [pid 5012] <... rmdir resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, [pid 5011] getdents64(4, [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] close(3 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] <... close resumed>) = 0 [pid 5011] close(4 [pid 5012] rmdir("./120" [pid 5011] <... close resumed>) = 0 [pid 5011] rmdir("./119/file0" [pid 5012] <... rmdir resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5011] getdents64(3, [pid 5012] mkdir("./121", 0777 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5011] close(3) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] rmdir("./119" [pid 7571] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5011] <... rmdir resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5011] mkdir("./120", 0777) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... openat resumed>) = 3 [pid 5012] close(3 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5012] <... close resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] close(3 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7572 [pid 5011] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7573 ./strace-static-x86_64: Process 7572 attached [pid 7572] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7572] chdir("./121") = 0 [pid 7572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7572] setpgid(0, 0) = 0 [pid 7572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7572] write(3, "1000", 4) = 4 [pid 7572] close(3) = 0 [pid 7572] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7573 attached [pid 5010] <... umount2 resumed>) = 0 [pid 7572] <... symlink resumed>) = 0 [pid 7572] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7572] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7572] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7574 [pid 7572] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7572] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7573] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7573] chdir("./120") = 0 [pid 7573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7573] <... prctl resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7573] setpgid(0, 0 [pid 5010] lstat("./119/file0", [pid 7573] <... setpgid resumed>) = 0 [pid 7573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7573] write(3, "1000", 4 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7573] <... write resumed>) = 4 [pid 7573] close(3 [pid 5010] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7573] <... close resumed>) = 0 [pid 7573] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7574 attached [pid 7574] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7574] memfd_create("syzkaller", 0) = 3 [pid 7574] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7573] <... symlink resumed>) = 0 [pid 7573] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] openat(AT_FDCWD, "./119/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7573] <... futex resumed>) = 0 [pid 7573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... openat resumed>) = 4 [pid 5009] <... umount2 resumed>) = 0 [pid 7573] <... mmap resumed>) = 0x7f76b0b56000 [pid 7573] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5010] fstat(4, [pid 7573] <... mprotect resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7573] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7573] <... clone resumed>, parent_tid=[7575], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7575 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7573] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] close(4 [pid 7573] <... futex resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 7573] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] rmdir("./119/file0") = 0 [pid 5010] getdents64(3, [pid 5009] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./118/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./118/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 7575 attached [pid 5009] getdents64(4, [pid 7575] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7575] <... set_robust_list resumed>) = 0 [pid 5009] close(4 [pid 7575] memfd_create("syzkaller", 0 [pid 5009] <... close resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3 [pid 5009] rmdir("./118/file0" [pid 7575] <... memfd_create resumed>) = 3 [pid 5009] <... rmdir resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./119" [pid 7575] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] getdents64(3, [pid 7575] <... mmap resumed>) = 0x7f76a8756000 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] mkdir("./120", 0777 [pid 5009] close(3) = 0 [pid 5009] rmdir("./118" [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] mkdir("./119", 0777 [pid 5010] <... openat resumed>) = 3 [pid 5009] <... mkdir resumed>) = 0 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7576 attached [pid 7571] <... write resumed>) = 4194304 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7576] set_robust_list(0x555556dec5e0, 24 [pid 7571] munmap(0x7f76a8756000, 4194304 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7576 [pid 5009] <... openat resumed>) = 3 [pid 7576] <... set_robust_list resumed>) = 0 [pid 7571] <... munmap resumed>) = 0 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 7576] chdir("./120" [pid 7571] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7576] <... chdir resumed>) = 0 [pid 7571] <... openat resumed>) = 4 [pid 5009] close(3 [pid 7576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7571] ioctl(4, LOOP_SET_FD, 3 [pid 5009] <... close resumed>) = 0 [pid 7576] <... prctl resumed>) = 0 [pid 7575] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7574] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7571] <... ioctl resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7576] setpgid(0, 0 [pid 7571] close(3 [pid 7576] <... setpgid resumed>) = 0 [pid 7576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7576] write(3, "1000", 4) = 4 [pid 7576] close(3) = 0 [pid 7576] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7576] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7571] <... close resumed>) = 0 [pid 7576] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7571] mkdir("./file0", 0777 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7577 [pid 7576] <... mprotect resumed>) = 0 [pid 7571] <... mkdir resumed>) = 0 [pid 7576] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7571] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7577 attached [pid 7576] <... clone resumed>, parent_tid=[7578], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7578 [pid 7577] set_robust_list(0x555556dec5e0, 24 [pid 7576] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7577] <... set_robust_list resumed>) = 0 [pid 7576] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7578 attached [pid 7577] chdir("./119" [pid 7576] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7578] set_robust_list(0x7f76b0b769e0, 24 [pid 7577] <... chdir resumed>) = 0 [pid 7578] <... set_robust_list resumed>) = 0 [pid 7577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7578] memfd_create("syzkaller", 0 [ 248.057562][ T7571] loop0: detected capacity change from 0 to 8192 [pid 7577] setpgid(0, 0) = 0 [pid 7577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7577] write(3, "1000", 4) = 4 [pid 7577] close(3) = 0 [pid 7577] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7577] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7577] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7578] <... memfd_create resumed>) = 3 [pid 7577] <... mprotect resumed>) = 0 [pid 7578] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7577] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7578] <... mmap resumed>) = 0x7f76a8756000 [pid 7577] <... clone resumed>, parent_tid=[7580], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7580 [pid 7577] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7577] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7580 attached [pid 7580] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7580] memfd_create("syzkaller", 0) = 3 [pid 7580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 248.103338][ T7571] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7574] <... write resumed>) = 4194304 [pid 7574] munmap(0x7f76a8756000, 4194304) = 0 [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 7574] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 248.145342][ T7571] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 248.154635][ T7571] REISERFS (device loop0): using ordered data mode [ 248.161562][ T7571] reiserfs: using flush barriers [ 248.171041][ T7571] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7574] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7574] close(3) = 0 [pid 7574] mkdir("./file0", 0777) = 0 [pid 7578] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7574] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7575] <... write resumed>) = 4194304 [ 248.198606][ T7574] loop4: detected capacity change from 0 to 8192 [ 248.224672][ T7574] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7575] munmap(0x7f76a8756000, 4194304) = 0 [pid 7575] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7575] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7575] close(3) = 0 [pid 7575] mkdir("./file0", 0777) = 0 [ 248.250171][ T7571] REISERFS (device loop0): checking transaction log (loop0) [ 248.254483][ T7575] loop3: detected capacity change from 0 to 8192 [ 248.273102][ T7574] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 248.277829][ T7571] REISERFS (device loop0): Using r5 hash to sort names [pid 7575] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7580] <... write resumed>) = 4194304 [pid 7580] munmap(0x7f76a8756000, 4194304) = 0 [pid 7580] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7580] ioctl(4, LOOP_SET_FD, 3 [pid 7578] <... write resumed>) = 4194304 [ 248.291009][ T7575] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.306841][ T7574] REISERFS (device loop4): using ordered data mode [ 248.322835][ T7580] loop1: detected capacity change from 0 to 8192 [ 248.323480][ T7571] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 248.342951][ T7574] reiserfs: using flush barriers [pid 7578] munmap(0x7f76a8756000, 4194304) = 0 [pid 7580] <... ioctl resumed>) = 0 [pid 7578] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7571] <... mount resumed>) = 0 [pid 7580] close(3 [pid 7578] <... openat resumed>) = 4 [pid 7571] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7580] <... close resumed>) = 0 [pid 7578] ioctl(4, LOOP_SET_FD, 3 [pid 7571] <... openat resumed>) = 3 [ 248.346603][ T7571] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 248.349059][ T7575] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 248.367834][ T7575] REISERFS (device loop3): using ordered data mode [ 248.370108][ T7574] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 248.375989][ T7575] reiserfs: using flush barriers [pid 7580] mkdir("./file0", 0777) = 0 [pid 7580] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7571] chdir("./file0") = 0 [pid 7571] ioctl(4, LOOP_CLR_FD) = 0 [pid 7571] close(4 [pid 7578] <... ioctl resumed>) = 0 [pid 7571] <... close resumed>) = 0 [pid 7578] close(3) = 0 [pid 7578] mkdir("./file0", 0777) = 0 [ 248.392007][ T7574] REISERFS (device loop4): checking transaction log (loop4) [ 248.403541][ T7578] loop2: detected capacity change from 0 to 8192 [ 248.410678][ T7575] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 248.416189][ T7580] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.427373][ T7575] REISERFS (device loop3): checking transaction log (loop3) [pid 7578] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7571] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7570] <... futex resumed>) = 0 [pid 7571] mkdir("./file1", 000 [ 248.441516][ T7574] REISERFS (device loop4): Using r5 hash to sort names [ 248.457306][ T7574] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 248.466188][ T7575] REISERFS (device loop3): Using r5 hash to sort names [ 248.470326][ T7574] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 248.486466][ T7578] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7570] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7574] <... mount resumed>) = 0 [pid 7571] <... mkdir resumed>) = 0 [pid 7570] <... futex resumed>) = 0 [pid 7574] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7574] chdir("./file0") = 0 [pid 7574] ioctl(4, LOOP_CLR_FD) = 0 [pid 7574] close(4) = 0 [pid 7574] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7572] <... futex resumed>) = 0 [pid 7574] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7572] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7572] <... futex resumed>) = 0 [pid 7574] mkdir("./file1", 000 [pid 7572] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7574] <... mkdir resumed>) = 0 [pid 7574] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7572] <... futex resumed>) = 0 [pid 7574] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7572] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7572] <... futex resumed>) = 0 [pid 7574] mkdir("./bus", 000 [pid 7572] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7574] <... mkdir resumed>) = 0 [pid 7571] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7570] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7574] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7572] <... futex resumed>) = 0 [pid 7574] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7572] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7572] <... futex resumed>) = 0 [pid 7571] <... futex resumed>) = 0 [pid 7570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 248.487400][ T7580] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 248.499791][ T7578] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 248.519329][ T7578] REISERFS (device loop2): using ordered data mode [ 248.527785][ T7578] reiserfs: using flush barriers [ 248.529069][ T7574] overlayfs: upper fs needs to support d_type. [ 248.534703][ T7580] REISERFS (device loop1): using ordered data mode [pid 7574] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7572] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7571] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7570] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7570] <... futex resumed>) = 0 [pid 7571] mkdir("./bus", 000 [pid 7570] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7571] <... mkdir resumed>) = 0 [pid 7571] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7570] <... futex resumed>) = 0 [pid 7571] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7570] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7570] <... futex resumed>) = 0 [pid 7571] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7570] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7572] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7572] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7572] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7572] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7585], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7585 [pid 7572] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 248.545729][ T7578] 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 [ 248.565025][ T7580] reiserfs: using flush barriers [ 248.572934][ T7575] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 248.573799][ T7578] REISERFS (device loop2): checking transaction log (loop2) [ 248.593329][ T7574] overlayfs: upper fs does not support tmpfile. [pid 7572] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7585 attached [pid 7585] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7585] mkdir(".", 0777) = -1 EEXIST (File exists) [ 248.598421][ T7575] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 248.609500][ T7571] overlayfs: upper fs needs to support d_type. [ 248.612404][ T7585] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 248.615771][ T7580] 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 7585] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7570] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7585] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7585] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7572] <... futex resumed>) = 0 [pid 7585] <... futex resumed>) = 1 [pid 7585] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7575] <... mount resumed>) = 0 [pid 7570] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7575] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7570] <... futex resumed>) = 0 [ 248.616258][ T7580] REISERFS (device loop1): checking transaction log (loop1) [ 248.633637][ T7574] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 248.646700][ T7571] overlayfs: upper fs does not support tmpfile. [ 248.656682][ T7574] overlayfs: failed to resolve './file0': -2 [ 248.661872][ T7571] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 248.680092][ T7578] REISERFS (device loop2): Using r5 hash to sort names [ 248.681080][ T7580] REISERFS (device loop1): Using r5 hash to sort names [pid 7575] <... openat resumed>) = 3 [pid 7570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7575] chdir("./file0" [pid 7570] <... mmap resumed>) = 0x7f76a8b35000 [pid 7575] <... chdir resumed>) = 0 [pid 7570] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7578] <... mount resumed>) = 0 [pid 7578] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7578] chdir("./file0") = 0 [pid 7578] ioctl(4, LOOP_CLR_FD) = 0 [pid 7578] close(4) = 0 [pid 7578] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7576] <... futex resumed>) = 0 [pid 7576] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7576] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7578] <... futex resumed>) = 1 [pid 7578] mkdir("./file1", 000) = 0 [pid 7578] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7576] <... futex resumed>) = 0 [pid 7576] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7576] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7578] <... futex resumed>) = 1 [pid 7578] mkdir("./bus", 000) = 0 [pid 7574] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7574] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7574] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7578] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7576] <... futex resumed>) = 0 [pid 7576] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7576] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7578] <... futex resumed>) = 1 [pid 7578] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7572] exit_group(0 [pid 7585] <... futex resumed>) = ? [pid 7574] <... futex resumed>) = ? [pid 7585] +++ exited with 0 +++ [pid 7574] +++ exited with 0 +++ [pid 7572] <... exit_group resumed>) = ? [pid 7575] ioctl(4, LOOP_CLR_FD [pid 7570] <... mprotect resumed>) = 0 [pid 7570] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7575] <... ioctl resumed>) = 0 [pid 7575] close(4 [pid 7571] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 248.688533][ T7578] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 248.709953][ T7571] overlayfs: failed to resolve './file0': -2 [ 248.716372][ T7578] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 248.717747][ T7580] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7570] <... clone resumed>, parent_tid=[7586], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7586 [pid 7580] <... mount resumed>) = 0 [pid 7575] <... close resumed>) = 0 [pid 7572] +++ exited with 0 +++ [pid 7571] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7570] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7570] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7586 attached [pid 7586] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7586] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7586] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7575] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] <... futex resumed>) = 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7572, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 7575] <... futex resumed>) = 1 [pid 7573] <... futex resumed>) = 0 [pid 7571] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7573] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7575] mkdir("./file1", 000 [pid 5012] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7573] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7575] <... mkdir resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7575] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7575] <... futex resumed>) = 1 [pid 7573] <... futex resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 7573] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7575] mkdir("./bus", 000 [pid 7573] <... futex resumed>) = 0 [pid 5012] fstat(3, [pid 7573] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7580] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7575] <... mkdir resumed>) = 0 [pid 5012] getdents64(3, [pid 7575] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7580] <... openat resumed>) = 3 [pid 7575] <... futex resumed>) = 1 [pid 7573] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7580] chdir("./file0" [pid 7575] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7573] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7586] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7586] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7570] <... futex resumed>) = 0 [pid 7570] exit_group(0 [pid 7571] <... futex resumed>) = ? [pid 7570] <... exit_group resumed>) = ? [pid 7576] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7571] +++ exited with 0 +++ [pid 7576] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7576] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7576] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7587], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7587 [pid 7576] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7576] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7586] <... futex resumed>) = ? [pid 7580] <... chdir resumed>) = 0 [pid 7573] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7580] ioctl(4, LOOP_CLR_FD [pid 7573] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] lstat("./121/binderfs", [pid 7580] <... ioctl resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7580] close(4 [pid 5012] unlink("./121/binderfs" [pid 7580] <... close resumed>) = 0 [pid 5012] <... unlink resumed>) = 0 [pid 7580] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7580] <... futex resumed>) = 1 [pid 7577] <... futex resumed>) = 0 [pid 7577] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7580] mkdir("./file1", 000 [pid 7577] <... futex resumed>) = 0 [pid 7580] <... mkdir resumed>) = 0 [pid 7577] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7586] +++ exited with 0 +++ [pid 7570] +++ exited with 0 +++ [pid 7580] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7577] <... futex resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7570, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7580] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7577] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7577] <... futex resumed>) = 0 [pid 7580] mkdir("./bus", 000 [pid 7577] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7580] <... mkdir resumed>) = 0 [pid 5008] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7580] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7580] <... futex resumed>) = 1 [pid 7577] <... futex resumed>) = 0 [pid 7580] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7577] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7577] <... futex resumed>) = 0 [ 248.744856][ T7580] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 248.767646][ T7578] overlayfs: upper fs needs to support d_type. [ 248.768904][ T7586] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 248.779810][ T7578] overlayfs: upper fs does not support tmpfile. [ 248.796182][ T7575] overlayfs: upper fs needs to support d_type. [pid 7580] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7577] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, ./strace-static-x86_64: Process 7587 attached [pid 7587] set_robust_list(0x7f76a8b559e0, 24 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7587] <... set_robust_list resumed>) = 0 [pid 5008] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7587] mkdir(".", 0777 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7573] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] lstat("./119/binderfs", [pid 7573] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7573] <... futex resumed>) = 0 [pid 7573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] unlink("./119/binderfs" [pid 7587] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7573] <... mmap resumed>) = 0x7f76a8b35000 [pid 5008] <... unlink resumed>) = 0 [pid 7587] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5008] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7573] <... mprotect resumed>) = 0 [ 248.819773][ T7580] overlayfs: upper fs needs to support d_type. [ 248.820487][ T7578] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 248.833993][ T7575] overlayfs: upper fs does not support tmpfile. [ 248.840541][ T7580] overlayfs: upper fs does not support tmpfile. [pid 7573] clone(child_stack=0x7f76a8b553f0, 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 7588 attached [pid 7577] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7573] <... clone resumed>, parent_tid=[7588], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7588 [pid 7588] set_robust_list(0x7f76a8b559e0, 24 [pid 7577] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7573] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7588] <... set_robust_list resumed>) = 0 [pid 7577] <... futex resumed>) = 0 [pid 7573] <... futex resumed>) = 0 [pid 7587] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7573] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7587] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7576] <... futex resumed>) = 0 [pid 7587] <... futex resumed>) = 1 [pid 7577] <... mmap resumed>) = 0x7f76a8b35000 [pid 7587] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7577] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7577] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7588] mkdir(".", 0777 [pid 7577] <... clone resumed>, parent_tid=[7589], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7589 [pid 7588] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7588] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7577] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7589 attached [pid 7589] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7589] mkdir(".", 0777) = -1 EEXIST (File exists) [ 248.865069][ T7575] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 248.867187][ T7587] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 248.885976][ T7580] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 248.888558][ T7578] overlayfs: failed to resolve './file0': -2 [ 248.897324][ T7580] overlayfs: failed to resolve './file0': -2 [pid 7589] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 7588] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7580] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7589] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7588] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7580] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7578] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7575] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7589] <... futex resumed>) = 1 [pid 7588] <... futex resumed>) = 1 [pid 7580] <... futex resumed>) = 0 [pid 7578] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7577] <... futex resumed>) = 0 [pid 7575] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7573] <... futex resumed>) = 0 [pid 7589] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7588] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7580] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7577] exit_group(0 [pid 7575] <... futex resumed>) = 0 [pid 7573] exit_group(0 [pid 5012] <... umount2 resumed>) = 0 [pid 7589] <... futex resumed>) = ? [pid 7588] <... futex resumed>) = ? [pid 7580] <... futex resumed>) = ? [pid 7578] <... futex resumed>) = 0 [pid 7577] <... exit_group resumed>) = ? [pid 7576] exit_group(0 [pid 7573] <... exit_group resumed>) = ? [pid 7589] +++ exited with 0 +++ [pid 7588] +++ exited with 0 +++ [pid 7587] <... futex resumed>) = ? [pid 7580] +++ exited with 0 +++ [pid 7577] +++ exited with 0 +++ [pid 7576] <... exit_group resumed>) = ? [pid 7575] +++ exited with 0 +++ [pid 7573] +++ exited with 0 +++ [pid 5012] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7587] +++ exited with 0 +++ [pid 7578] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7573, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7577, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [ 248.938297][ T7588] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 248.956425][ T7589] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 248.978327][ T7575] overlayfs: failed to resolve './file0': -2 [pid 7576] +++ exited with 0 +++ [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5012] lstat("./121/file0", [pid 5011] <... restart_syscall resumed>) = 0 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7576, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5012] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] openat(AT_FDCWD, "./121/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... openat resumed>) = 4 [pid 5011] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... openat resumed>) = 3 [pid 5009] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] fstat(4, [pid 5011] <... openat resumed>) = 3 [pid 5010] fstat(3, [pid 5009] <... openat resumed>) = 3 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] fstat(3, [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] fstat(3, [pid 5012] getdents64(4, [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(3, [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] getdents64(3, [pid 5012] getdents64(4, [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] close(4 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./120/binderfs", [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... close resumed>) = 0 [pid 5011] lstat("./120/binderfs", [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] lstat("./119/binderfs", [pid 5012] rmdir("./121/file0" [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./120/binderfs" [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5011] unlink("./120/binderfs" [pid 5010] <... unlink resumed>) = 0 [pid 5009] unlink("./119/binderfs" [pid 5012] getdents64(3, [pid 5011] <... unlink resumed>) = 0 [pid 5010] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... unlink resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 5012] close(3) = 0 [pid 5008] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] rmdir("./121" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... rmdir resumed>) = 0 [pid 5012] mkdir("./122", 0777 [pid 5008] lstat("./119/file0", [pid 5012] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5008] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... close resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] openat(AT_FDCWD, "./119/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7590 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./119/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./119") = 0 [pid 5008] mkdir("./120", 0777./strace-static-x86_64: Process 7590 attached ) = 0 [pid 7590] set_robust_list(0x555556dec5e0, 24 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7590] <... set_robust_list resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7590] chdir("./122") = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7590] <... prctl resumed>) = 0 [pid 5008] close(3 [pid 7590] setpgid(0, 0) = 0 [pid 5008] <... close resumed>) = 0 [pid 7590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7590] <... openat resumed>) = 3 [pid 7590] write(3, "1000", 4) = 4 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7591 [pid 7590] close(3) = 0 [pid 7590] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7590] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7590] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7590] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7592], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7592 ./strace-static-x86_64: Process 7591 attached [pid 7590] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7590] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7591] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7591] chdir("./120") = 0 [pid 7591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7591] setpgid(0, 0) = 0 [pid 7591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7591] write(3, "1000", 4) = 4 [pid 7591] close(3) = 0 [pid 7591] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7591] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7591] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7591] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7593 [pid 7591] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7591] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7593 attached [pid 7593] set_robust_list(0x7f76b0b769e0, 24./strace-static-x86_64: Process 7592 attached ) = 0 [pid 7593] memfd_create("syzkaller", 0) = 3 [pid 7593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7592] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7592] memfd_create("syzkaller", 0) = 3 [pid 5009] <... umount2 resumed>) = 0 [pid 7592] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7592] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./119/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./119/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, [pid 5011] <... umount2 resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./119/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] close(3 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... close resumed>) = 0 [pid 5011] lstat("./120/file0", [pid 5009] rmdir("./119" [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5011] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] mkdir("./120", 0777 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... mkdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./120/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./120/file0") = 0 [pid 5009] <... openat resumed>) = 3 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./120/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./120/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5011] getdents64(3, [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3 [pid 5011] close(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 7592] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5011] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5011] rmdir("./120" [pid 5010] getdents64(4, [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] <... rmdir resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] mkdir("./121", 0777 [pid 5010] getdents64(4, [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7594 ./strace-static-x86_64: Process 7594 attached [pid 5011] <... mkdir resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7594] set_robust_list(0x555556dec5e0, 24 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5010] close(4 [pid 7594] <... set_robust_list resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 5010] <... close resumed>) = 0 [pid 7594] chdir("./120" [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5010] rmdir("./120/file0" [pid 7594] <... chdir resumed>) = 0 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7594] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] close(3 [pid 5010] <... rmdir resumed>) = 0 [pid 7594] <... prctl resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7595 [pid 7594] setpgid(0, 0 [pid 5010] getdents64(3, [pid 7594] <... setpgid resumed>) = 0 [pid 7594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7594] <... openat resumed>) = 3 [pid 5010] close(3./strace-static-x86_64: Process 7595 attached [pid 7594] write(3, "1000", 4 [pid 5010] <... close resumed>) = 0 [pid 7595] set_robust_list(0x555556dec5e0, 24 [pid 7594] <... write resumed>) = 4 [pid 5010] rmdir("./120" [pid 7595] <... set_robust_list resumed>) = 0 [pid 7594] close(3 [pid 7595] chdir("./121" [pid 7594] <... close resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 7595] <... chdir resumed>) = 0 [pid 7594] symlink("/dev/binderfs", "./binderfs" [pid 5010] mkdir("./121", 0777 [pid 7595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7594] <... symlink resumed>) = 0 [pid 7595] <... prctl resumed>) = 0 [pid 7594] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... mkdir resumed>) = 0 [pid 7595] setpgid(0, 0 [pid 7594] <... futex resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7595] <... setpgid resumed>) = 0 [pid 7594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... openat resumed>) = 3 [pid 7595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7594] <... mmap resumed>) = 0x7f76b0b56000 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 7595] <... openat resumed>) = 3 [pid 7594] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7595] write(3, "1000", 4 [pid 7594] <... mprotect resumed>) = 0 [pid 5010] close(3 [pid 7595] <... write resumed>) = 4 [pid 7594] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... close resumed>) = 0 [pid 7595] close(3 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7596 attached [pid 7595] <... close resumed>) = 0 [pid 7593] <... write resumed>) = 4194304 [pid 7595] symlink("/dev/binderfs", "./binderfs" [pid 7594] <... clone resumed>, parent_tid=[7596], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7596 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7597 [pid 7593] munmap(0x7f76a8756000, 4194304 [pid 7595] <... symlink resumed>) = 0 [pid 7594] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7597 attached [pid 7596] set_robust_list(0x7f76b0b769e0, 24 [pid 7595] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7594] <... futex resumed>) = 0 [pid 7593] <... munmap resumed>) = 0 [pid 7597] set_robust_list(0x555556dec5e0, 24 [pid 7596] <... set_robust_list resumed>) = 0 [pid 7595] <... futex resumed>) = 0 [pid 7594] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7593] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7597] <... set_robust_list resumed>) = 0 [pid 7596] memfd_create("syzkaller", 0 [pid 7595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7593] <... openat resumed>) = 4 [pid 7597] chdir("./121" [pid 7596] <... memfd_create resumed>) = 3 [pid 7595] <... mmap resumed>) = 0x7f76b0b56000 [pid 7593] ioctl(4, LOOP_SET_FD, 3 [pid 7597] <... chdir resumed>) = 0 [pid 7596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7595] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7596] <... mmap resumed>) = 0x7f76a8756000 [pid 7595] <... mprotect resumed>) = 0 [pid 7597] <... prctl resumed>) = 0 [pid 7593] <... ioctl resumed>) = 0 [pid 7592] <... write resumed>) = 4194304 [pid 7597] setpgid(0, 0 [pid 7595] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7593] close(3 [pid 7597] <... setpgid resumed>) = 0 [pid 7593] <... close resumed>) = 0 [pid 7597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7595] <... clone resumed>, parent_tid=[7598], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7598 [pid 7593] mkdir("./file0", 0777 [pid 7597] <... openat resumed>) = 3 [pid 7595] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7597] write(3, "1000", 4 [pid 7595] <... futex resumed>) = 0 [pid 7593] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7598 attached [pid 7597] <... write resumed>) = 4 [pid 7595] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7593] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7592] munmap(0x7f76a8756000, 4194304 [pid 7598] set_robust_list(0x7f76b0b769e0, 24 [pid 7597] close(3 [pid 7592] <... munmap resumed>) = 0 [pid 7598] <... set_robust_list resumed>) = 0 [pid 7597] <... close resumed>) = 0 [pid 7596] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7598] memfd_create("syzkaller", 0 [pid 7597] symlink("/dev/binderfs", "./binderfs" [pid 7598] <... memfd_create resumed>) = 3 [pid 7597] <... symlink resumed>) = 0 [pid 7598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7597] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7598] <... mmap resumed>) = 0x7f76a8756000 [pid 7597] <... futex resumed>) = 0 [pid 7592] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 249.364386][ T7593] loop0: detected capacity change from 0 to 8192 [ 249.400696][ T7593] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7592] ioctl(4, LOOP_SET_FD, 3 [pid 7597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7597] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7597] clone(child_stack=0x7f76b0b763f0, 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=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7600 [pid 7597] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7597] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7600 attached [pid 7600] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7600] memfd_create("syzkaller", 0 [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 7600] <... memfd_create resumed>) = 3 [pid 7600] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7592] <... ioctl resumed>) = 0 [pid 7600] <... mmap resumed>) = 0x7f76a8756000 [pid 7592] close(3) = 0 [pid 7592] mkdir("./file0", 0777) = 0 [ 249.421358][ T7592] loop4: detected capacity change from 0 to 8192 [ 249.450782][ T7593] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7592] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7598] <... write resumed>) = 4194304 [pid 7598] munmap(0x7f76a8756000, 4194304) = 0 [pid 7598] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7598] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7596] <... write resumed>) = 4194304 [pid 7598] close(3 [ 249.482953][ T7593] REISERFS (device loop0): using ordered data mode [ 249.490919][ T7592] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 249.510369][ T7598] loop3: detected capacity change from 0 to 8192 [ 249.513424][ T7593] reiserfs: using flush barriers [ 249.521690][ T7592] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7596] munmap(0x7f76a8756000, 4194304 [pid 7598] <... close resumed>) = 0 [pid 7596] <... munmap resumed>) = 0 [pid 7598] mkdir("./file0", 0777 [pid 7596] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7598] <... mkdir resumed>) = 0 [pid 7596] <... openat resumed>) = 4 [pid 7598] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 249.531305][ T7592] REISERFS (device loop4): using ordered data mode [ 249.540501][ T7592] reiserfs: using flush barriers [ 249.548376][ T7592] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 249.557986][ T7596] loop1: detected capacity change from 0 to 8192 [ 249.565039][ T7592] REISERFS (device loop4): checking transaction log (loop4) [pid 7596] ioctl(4, LOOP_SET_FD, 3 [ 249.578987][ T7598] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 249.579470][ T7592] REISERFS (device loop4): Using r5 hash to sort names [ 249.599806][ T7592] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 249.606337][ T7593] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7600] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7592] <... mount resumed>) = 0 [pid 7592] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7592] chdir("./file0") = 0 [pid 7592] ioctl(4, LOOP_CLR_FD) = 0 [pid 7592] close(4 [pid 7596] <... ioctl resumed>) = 0 [pid 7596] close(3 [pid 7592] <... close resumed>) = 0 [pid 7596] <... close resumed>) = 0 [pid 7596] mkdir("./file0", 0777 [ 249.612624][ T7592] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7592] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7596] <... mkdir resumed>) = 0 [pid 7592] <... futex resumed>) = 1 [pid 7590] <... futex resumed>) = 0 [pid 7596] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7592] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7590] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7590] <... futex resumed>) = 0 [pid 7592] mkdir("./file1", 000 [pid 7590] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7592] <... mkdir resumed>) = 0 [pid 7592] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7590] <... futex resumed>) = 0 [pid 7592] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7590] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7590] <... futex resumed>) = 0 [pid 7592] mkdir("./bus", 000 [pid 7590] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7592] <... mkdir resumed>) = 0 [pid 7592] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 249.657983][ T7598] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 249.675581][ T7598] REISERFS (device loop3): using ordered data mode [ 249.682418][ T7598] reiserfs: using flush barriers [ 249.683215][ T7596] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7590] <... futex resumed>) = 0 [pid 7592] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7590] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7590] <... futex resumed>) = 0 [pid 7592] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 249.704476][ T7598] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 249.722006][ T7598] REISERFS (device loop3): checking transaction log (loop3) [ 249.722094][ T7592] overlayfs: upper fs needs to support d_type. [ 249.730427][ T7598] REISERFS (device loop3): Using r5 hash to sort names [ 249.742781][ T7598] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7590] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7590] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7590] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7590] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7604], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7604 [pid 7590] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7590] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7604 attached [pid 7598] <... mount resumed>) = 0 [pid 7604] set_robust_list(0x7f76a8b559e0, 24 [pid 7598] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7604] <... set_robust_list resumed>) = 0 [pid 7604] mkdir(".", 0777 [pid 7598] <... openat resumed>) = 3 [pid 7604] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7598] chdir("./file0" [pid 7604] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] <... chdir resumed>) = 0 [ 249.747564][ T7593] REISERFS (device loop0): checking transaction log (loop0) [ 249.756207][ T7598] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 249.771962][ T7592] overlayfs: upper fs does not support tmpfile. [ 249.779497][ T7592] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 249.786259][ T7596] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 249.789472][ T7592] overlayfs: failed to resolve './file0': -2 [pid 7598] ioctl(4, LOOP_CLR_FD [pid 7604] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7598] <... ioctl resumed>) = 0 [pid 7604] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7598] close(4 [pid 7592] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7604] <... futex resumed>) = 1 [pid 7590] <... futex resumed>) = 0 [ 249.810862][ T7593] REISERFS (device loop0): Using r5 hash to sort names [ 249.815685][ T7604] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 249.826342][ T7596] REISERFS (device loop1): using ordered data mode [ 249.832634][ T7593] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7604] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7598] <... close resumed>) = 0 [pid 7592] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7598] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7592] <... futex resumed>) = 0 [pid 7600] <... write resumed>) = 4194304 [pid 7598] <... futex resumed>) = 1 [pid 7595] <... futex resumed>) = 0 [pid 7592] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7590] exit_group(0 [pid 7598] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7595] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] <... mount resumed>) = 0 [pid 7590] <... exit_group resumed>) = ? [pid 7604] <... futex resumed>) = ? [pid 7598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7595] <... futex resumed>) = 0 [pid 7592] <... futex resumed>) = ? [pid 7604] +++ exited with 0 +++ [pid 7600] munmap(0x7f76a8756000, 4194304 [pid 7598] mkdir("./file1", 000 [pid 7595] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7593] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7600] <... munmap resumed>) = 0 [pid 7598] <... mkdir resumed>) = 0 [pid 7593] <... openat resumed>) = 3 [pid 7592] +++ exited with 0 +++ [pid 7590] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7590, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=28 /* 0.28 s */} --- [pid 5012] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7600] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7600] <... openat resumed>) = 4 [pid 5012] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7600] ioctl(4, LOOP_SET_FD, 3 [pid 7598] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] chdir("./file0" [pid 5012] <... openat resumed>) = 3 [ 249.852889][ T7593] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 249.874721][ T7596] reiserfs: using flush barriers [ 249.882246][ T7596] 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 [ 249.903314][ T7596] REISERFS (device loop1): checking transaction log (loop1) [pid 7600] <... ioctl resumed>) = 0 [pid 7598] <... futex resumed>) = 1 [pid 7595] <... futex resumed>) = 0 [pid 7593] <... chdir resumed>) = 0 [pid 5012] fstat(3, [pid 7600] close(3 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7600] <... close resumed>) = 0 [pid 5012] getdents64(3, [pid 7600] mkdir("./file0", 0777 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7600] <... mkdir resumed>) = 0 [pid 5012] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7600] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7598] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7595] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] ioctl(4, LOOP_CLR_FD [pid 5012] lstat("./122/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./122/binderfs") = 0 [pid 5012] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7595] <... futex resumed>) = 0 [pid 7593] <... ioctl resumed>) = 0 [pid 7595] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7593] close(4) = 0 [pid 7593] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7591] <... futex resumed>) = 0 [pid 7593] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7591] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7591] <... futex resumed>) = 0 [ 249.912352][ T7596] REISERFS (device loop1): Using r5 hash to sort names [ 249.912354][ T7600] loop2: detected capacity change from 0 to 8192 [ 249.927057][ T7596] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 249.940612][ T7600] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 249.940849][ T7596] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7593] mkdir("./file1", 000 [pid 7591] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7598] mkdir("./bus", 000 [pid 7593] <... mkdir resumed>) = 0 [pid 7598] <... mkdir resumed>) = 0 [pid 7593] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7598] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] <... futex resumed>) = 1 [pid 7591] <... futex resumed>) = 0 [pid 7598] <... futex resumed>) = 1 [pid 7595] <... futex resumed>) = 0 [pid 7593] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7591] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7598] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7595] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7591] <... futex resumed>) = 0 [pid 7598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7595] <... futex resumed>) = 0 [pid 7593] mkdir("./bus", 000 [pid 7591] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7598] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7595] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7593] <... mkdir resumed>) = 0 [pid 7596] <... mount resumed>) = 0 [pid 7596] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7593] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7596] <... openat resumed>) = 3 [pid 7596] chdir("./file0") = 0 [pid 7596] ioctl(4, LOOP_CLR_FD) = 0 [pid 7596] close(4) = 0 [pid 7593] <... futex resumed>) = 1 [pid 7591] <... futex resumed>) = 0 [pid 7596] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7591] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7596] <... futex resumed>) = 1 [pid 7594] <... futex resumed>) = 0 [pid 7593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7591] <... futex resumed>) = 0 [pid 7596] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 249.965846][ T7600] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 249.975698][ T7600] REISERFS (device loop2): using ordered data mode [ 249.981103][ T7598] overlayfs: upper fs needs to support d_type. [ 249.982398][ T7600] reiserfs: using flush barriers [ 249.996339][ T7600] 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 7594] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7591] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7594] <... futex resumed>) = 0 [pid 7596] mkdir("./file1", 000) = 0 [pid 7594] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7596] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7596] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7594] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7594] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7596] <... futex resumed>) = 0 [pid 7596] mkdir("./bus", 000) = 0 [pid 7596] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7594] <... futex resumed>) = 0 [pid 7596] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7594] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7594] <... futex resumed>) = 0 [pid 7596] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7594] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7595] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7595] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7595] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [ 250.026779][ T7593] overlayfs: upper fs needs to support d_type. [ 250.026892][ T7598] overlayfs: upper fs does not support tmpfile. [ 250.045620][ T7596] overlayfs: upper fs needs to support d_type. [ 250.046014][ T7598] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 250.051845][ T7596] overlayfs: upper fs does not support tmpfile. [ 250.060499][ T7598] overlayfs: failed to resolve './file0': -2 [pid 7595] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7591] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7591] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7595] <... clone resumed>, parent_tid=[7606], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7606 [pid 7591] <... mmap resumed>) = 0x7f76a8b35000 ./strace-static-x86_64: Process 7606 attached [pid 7598] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7595] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7591] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7598] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7598] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7595] <... futex resumed>) = 0 [pid 7591] <... mprotect resumed>) = 0 [pid 7595] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7591] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7607], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7607 [pid 7606] set_robust_list(0x7f76a8b559e0, 24 [pid 7591] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7591] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7606] <... set_robust_list resumed>) = 0 [pid 7606] mkdir(".", 0777./strace-static-x86_64: Process 7607 attached ) = -1 EEXIST (File exists) [pid 7594] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7606] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7594] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7607] set_robust_list(0x7f76a8b559e0, 24 [pid 7594] <... futex resumed>) = 0 [pid 7594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7594] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7607] <... set_robust_list resumed>) = 0 [pid 7607] mkdir(".", 0777 [pid 7594] <... mprotect resumed>) = 0 [pid 7594] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7607] <... mkdir resumed>) = -1 EEXIST (File exists) [ 250.073402][ T7600] REISERFS (device loop2): checking transaction log (loop2) [ 250.076677][ T7593] overlayfs: upper fs does not support tmpfile. [ 250.089055][ T7600] REISERFS (device loop2): Using r5 hash to sort names [ 250.104303][ T7600] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 250.116292][ T7596] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7607] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7594] <... clone resumed>, parent_tid=[7608], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7608 [pid 7594] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7608 attached ) = 0 [pid 7608] set_robust_list(0x7f76a8b559e0, 24 [pid 7594] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7608] <... set_robust_list resumed>) = 0 [pid 7608] mkdir(".", 0777) = -1 EEXIST (File exists) [ 250.138098][ T7606] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 250.147901][ T7593] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 250.152736][ T7596] overlayfs: failed to resolve './file0': -2 [ 250.171054][ T7607] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7608] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7606] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7596] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7607] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7606] <... futex resumed>) = 1 [pid 7596] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7595] <... futex resumed>) = 0 [pid 7607] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7591] <... futex resumed>) = 0 [pid 7595] exit_group(0 [pid 7596] <... futex resumed>) = 0 [pid 7606] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... umount2 resumed>) = 0 [pid 7607] <... futex resumed>) = 1 [pid 7607] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7606] <... futex resumed>) = ? [pid 7598] <... futex resumed>) = ? [pid 7596] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7595] <... exit_group resumed>) = ? [pid 5012] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7606] +++ exited with 0 +++ [pid 7598] +++ exited with 0 +++ [pid 7600] <... mount resumed>) = 0 [pid 7600] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7600] chdir("./file0") = 0 [pid 7600] ioctl(4, LOOP_CLR_FD) = 0 [pid 7600] close(4 [pid 7608] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7595] +++ exited with 0 +++ [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7608] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] lstat("./122/file0", [pid 7608] <... futex resumed>) = 1 [pid 7594] <... futex resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7595, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7608] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7594] exit_group(0 [pid 5012] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7608] <... futex resumed>) = ? [pid 7596] <... futex resumed>) = ? [pid 7594] <... exit_group resumed>) = ? [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7608] +++ exited with 0 +++ [pid 7596] +++ exited with 0 +++ [pid 7600] <... close resumed>) = 0 [pid 7600] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7600] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7594] +++ exited with 0 +++ [pid 7597] <... futex resumed>) = 0 [pid 7597] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] openat(AT_FDCWD, "./122/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7597] <... futex resumed>) = 1 [pid 5012] <... openat resumed>) = 4 [pid 5011] <... openat resumed>) = 3 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7594, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7600] <... futex resumed>) = 0 [pid 7597] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] fstat(4, [pid 5011] fstat(3, [pid 5009] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7600] mkdir("./file1", 000 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] getdents64(4, [pid 5011] getdents64(3, [pid 5009] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] <... openat resumed>) = 3 [pid 7600] <... mkdir resumed>) = 0 [pid 5012] getdents64(4, [pid 5011] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] fstat(3, [pid 7600] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7600] <... futex resumed>) = 1 [pid 7597] <... futex resumed>) = 0 [pid 5012] close(4 [pid 5011] lstat("./121/binderfs", [pid 5009] getdents64(3, [pid 7600] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7597] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... close resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7597] <... futex resumed>) = 0 [pid 5012] rmdir("./122/file0" [pid 5011] unlink("./121/binderfs" [pid 5009] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7600] mkdir("./bus", 000 [pid 7597] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... rmdir resumed>) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7600] <... mkdir resumed>) = 0 [pid 7593] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] getdents64(3, [pid 5011] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] lstat("./120/binderfs", [pid 7600] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7593] <... futex resumed>) = 0 [ 250.191398][ T7600] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 250.203446][ T7608] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 250.205448][ T7593] overlayfs: failed to resolve './file0': -2 [pid 5012] close(3 [pid 5009] unlink("./120/binderfs" [pid 7600] <... futex resumed>) = 1 [pid 7597] <... futex resumed>) = 0 [pid 7593] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7591] exit_group(0 [pid 5012] <... close resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 7607] <... futex resumed>) = ? [pid 7600] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7597] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] <... futex resumed>) = ? [pid 7591] <... exit_group resumed>) = ? [pid 5012] rmdir("./122" [pid 5009] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7607] +++ exited with 0 +++ [pid 7600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7597] <... futex resumed>) = 0 [pid 7593] +++ exited with 0 +++ [pid 5012] <... rmdir resumed>) = 0 [pid 7600] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7597] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7591] +++ exited with 0 +++ [pid 5012] mkdir("./123", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7591, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5012] <... openat resumed>) = 3 [pid 5008] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] close(3 [pid 5008] <... openat resumed>) = 3 [pid 5012] <... close resumed>) = 0 [pid 5008] fstat(3, [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7609 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./120/binderfs") = 0 [pid 5008] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7609 attached [pid 7609] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7609] chdir("./123") = 0 [pid 7609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7609] setpgid(0, 0) = 0 [pid 7609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7597] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7609] <... openat resumed>) = 3 [pid 7597] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] write(3, "1000", 4 [pid 7597] <... futex resumed>) = 0 [ 250.290729][ T7600] overlayfs: upper fs needs to support d_type. [ 250.318307][ T7600] overlayfs: upper fs does not support tmpfile. [pid 7609] <... write resumed>) = 4 [pid 7597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7609] close(3) = 0 [pid 7609] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7609] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7597] <... mmap resumed>) = 0x7f76a8b35000 [pid 7609] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7597] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7609] <... mprotect resumed>) = 0 [pid 7597] <... mprotect resumed>) = 0 [pid 7609] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7597] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7609] <... clone resumed>, parent_tid=[7611], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7611 [pid 7597] <... clone resumed>, parent_tid=[7610], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7610 [pid 7609] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7597] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] <... futex resumed>) = 0 [pid 7597] <... futex resumed>) = 0 [pid 7609] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7597] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7610 attached [pid 7610] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7610] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7610] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 7611 attached [pid 7611] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7611] memfd_create("syzkaller", 0) = 3 [pid 7611] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 250.348813][ T7600] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 250.397713][ T7610] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5011] lstat("./121/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./121/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] <... umount2 resumed>) = 0 [pid 5011] fstat(4, [pid 7610] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7610] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(4, [pid 7610] <... futex resumed>) = 1 [pid 7597] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] lstat("./120/file0", [pid 7610] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] close(4 [pid 7600] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] <... close resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7600] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7597] exit_group(0 [pid 5011] rmdir("./121/file0" [pid 5009] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7610] <... futex resumed>) = ? [pid 7600] <... futex resumed>) = ? [pid 7597] <... exit_group resumed>) = ? [pid 7610] +++ exited with 0 +++ [pid 5011] <... rmdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7600] +++ exited with 0 +++ [pid 7597] +++ exited with 0 +++ [pid 5011] getdents64(3, [pid 5009] openat(AT_FDCWD, "./120/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7597, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5008] <... umount2 resumed>) = 0 [pid 5011] close(3 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5009] <... openat resumed>) = 4 [pid 5011] <... close resumed>) = 0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5008] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] rmdir("./121" [pid 5009] fstat(4, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... rmdir resumed>) = 0 [pid 5010] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] lstat("./120/file0", [pid 5011] mkdir("./122", 0777 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] getdents64(4, [pid 5010] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5010] fstat(3, [pid 5009] getdents64(4, [pid 7611] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5011] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5010] getdents64(3, [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] close(4 [pid 5008] openat(AT_FDCWD, "./120/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] close(3 [pid 5010] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... close resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] rmdir("./120/file0" [pid 5008] <... openat resumed>) = 4 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] lstat("./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] fstat(4, [pid 5010] unlink("./121/binderfs") = 0 [pid 5009] getdents64(3, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7612 [pid 5010] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [ 250.464319][ T7600] overlayfs: failed to resolve './file0': -2 [pid 5008] getdents64(4, [pid 5009] close(3 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... close resumed>) = 0 [pid 5008] getdents64(4, [pid 5009] rmdir("./120" [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7612 attached [pid 7612] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7612] chdir("./122" [pid 5009] <... rmdir resumed>) = 0 [pid 5008] close(4) = 0 [pid 7612] <... chdir resumed>) = 0 [pid 7612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] mkdir("./121", 0777 [pid 5008] rmdir("./120/file0" [pid 7612] <... prctl resumed>) = 0 [pid 7612] setpgid(0, 0 [pid 5009] <... mkdir resumed>) = 0 [pid 7612] <... setpgid resumed>) = 0 [pid 7612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... rmdir resumed>) = 0 [pid 7612] <... openat resumed>) = 3 [pid 7612] write(3, "1000", 4 [pid 5009] <... openat resumed>) = 3 [pid 5008] getdents64(3, [pid 7612] <... write resumed>) = 4 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 5009] close(3 [pid 7612] close(3 [pid 5009] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 7612] <... close resumed>) = 0 [pid 7612] symlink("/dev/binderfs", "./binderfs" [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] rmdir("./120" [pid 7612] <... symlink resumed>) = 0 [pid 7612] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7612] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7613 [pid 5008] <... rmdir resumed>) = 0 [pid 7612] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] mkdir("./121", 0777 [pid 7612] <... clone resumed>, parent_tid=[7614], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7614 [pid 7612] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... mkdir resumed>) = 0 [pid 7612] <... futex resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7612] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... openat resumed>) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 7613 attached ) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 7613] set_robust_list(0x555556dec5e0, 24 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7614 attached [pid 7613] <... set_robust_list resumed>) = 0 [pid 7614] set_robust_list(0x7f76b0b769e0, 24 [pid 7613] chdir("./121" [pid 7614] <... set_robust_list resumed>) = 0 [pid 7613] <... chdir resumed>) = 0 [pid 7614] memfd_create("syzkaller", 0 [pid 7613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7615 ./strace-static-x86_64: Process 7615 attached [pid 7614] <... memfd_create resumed>) = 3 [pid 7613] <... prctl resumed>) = 0 [pid 7615] set_robust_list(0x555556dec5e0, 24 [pid 7614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7613] setpgid(0, 0 [pid 7615] <... set_robust_list resumed>) = 0 [pid 7613] <... setpgid resumed>) = 0 [pid 7615] chdir("./121" [pid 7614] <... mmap resumed>) = 0x7f76a8756000 [pid 7613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7615] <... chdir resumed>) = 0 [pid 7613] <... openat resumed>) = 3 [pid 7613] write(3, "1000", 4 [pid 7615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7613] <... write resumed>) = 4 [pid 7615] <... prctl resumed>) = 0 [pid 7613] close(3 [pid 7611] <... write resumed>) = 4194304 [pid 7615] setpgid(0, 0 [pid 7613] <... close resumed>) = 0 [pid 7611] munmap(0x7f76a8756000, 4194304 [pid 7615] <... setpgid resumed>) = 0 [pid 7613] symlink("/dev/binderfs", "./binderfs" [pid 7611] <... munmap resumed>) = 0 [pid 7615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7613] <... symlink resumed>) = 0 [pid 7611] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7615] <... openat resumed>) = 3 [pid 7613] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] ioctl(4, LOOP_SET_FD, 3 [pid 7615] write(3, "1000", 4 [pid 7613] <... futex resumed>) = 0 [pid 7613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7615] <... write resumed>) = 4 [pid 7615] close(3 [pid 7613] <... mmap resumed>) = 0x7f76b0b56000 [pid 7615] <... close resumed>) = 0 [pid 7613] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7615] symlink("/dev/binderfs", "./binderfs" [pid 7613] <... mprotect resumed>) = 0 [pid 7615] <... symlink resumed>) = 0 [pid 7615] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7613] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7615] <... futex resumed>) = 0 [pid 7615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7613] <... clone resumed>, parent_tid=[7616], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7616 [pid 7615] <... mmap resumed>) = 0x7f76b0b56000 [pid 7615] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7613] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7615] <... mprotect resumed>) = 0 [pid 7613] <... futex resumed>) = 0 [pid 7611] <... ioctl resumed>) = 0 [pid 7615] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7613] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7611] close(3) = 0 [pid 7615] <... clone resumed>, parent_tid=[7617], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7617 [pid 7615] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] mkdir("./file0", 0777 [pid 7615] <... futex resumed>) = 0 [pid 7615] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7616 attached [pid 7616] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7611] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7617 attached [pid 7616] memfd_create("syzkaller", 0 [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 7611] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7617] set_robust_list(0x7f76b0b769e0, 24 [pid 7616] <... memfd_create resumed>) = 3 [pid 5010] <... umount2 resumed>) = 0 [pid 7616] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7617] <... set_robust_list resumed>) = 0 [pid 7616] <... mmap resumed>) = 0x7f76a8756000 [pid 7617] memfd_create("syzkaller", 0 [pid 5010] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7617] <... memfd_create resumed>) = 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7617] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5010] lstat("./121/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./121/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [ 250.624569][ T7611] loop4: detected capacity change from 0 to 8192 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./121/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./121") = 0 [pid 5010] mkdir("./122", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7619 ./strace-static-x86_64: Process 7619 attached [pid 7619] set_robust_list(0x555556dec5e0, 24) = 0 [ 250.683337][ T7611] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7616] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7619] chdir("./122") = 0 [pid 7619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7619] setpgid(0, 0) = 0 [pid 7619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7619] write(3, "1000", 4) = 4 [pid 7619] close(3) = 0 [pid 7619] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7619] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7619] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7619] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7620], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7620 ./strace-static-x86_64: Process 7620 attached [pid 7619] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7617] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7616] <... write resumed>) = 4194304 [pid 7620] set_robust_list(0x7f76b0b769e0, 24 [pid 7619] <... futex resumed>) = 0 [pid 7619] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7620] <... set_robust_list resumed>) = 0 [pid 7616] munmap(0x7f76a8756000, 4194304 [pid 7620] memfd_create("syzkaller", 0) = 3 [pid 7620] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7616] <... munmap resumed>) = 0 [pid 7616] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 250.729197][ T7611] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 250.755602][ T7611] REISERFS (device loop4): using ordered data mode [ 250.762186][ T7611] reiserfs: using flush barriers [pid 7616] ioctl(4, LOOP_SET_FD, 3 [pid 7614] <... write resumed>) = 4194304 [pid 7620] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7616] <... ioctl resumed>) = 0 [pid 7614] munmap(0x7f76a8756000, 4194304 [pid 7616] close(3) = 0 [pid 7616] mkdir("./file0", 0777) = 0 [pid 7616] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7614] <... munmap resumed>) = 0 [ 250.800504][ T7616] loop1: detected capacity change from 0 to 8192 [ 250.813482][ T7611] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 250.832131][ T7611] REISERFS (device loop4): checking transaction log (loop4) [ 250.840737][ T7611] REISERFS (device loop4): Using r5 hash to sort names [pid 7614] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7620] <... write resumed>) = 4194304 [pid 7614] ioctl(4, LOOP_SET_FD, 3 [pid 7620] munmap(0x7f76a8756000, 4194304 [pid 7614] <... ioctl resumed>) = 0 [pid 7620] <... munmap resumed>) = 0 [pid 7620] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7614] close(3 [pid 7620] <... openat resumed>) = 4 [pid 7614] <... close resumed>) = 0 [pid 7620] ioctl(4, LOOP_SET_FD, 3 [ 250.866089][ T7616] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 250.881122][ T7611] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 250.895629][ T7614] loop3: detected capacity change from 0 to 8192 [ 250.903430][ T7616] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7614] mkdir("./file0", 0777 [pid 7620] <... ioctl resumed>) = 0 [pid 7617] <... write resumed>) = 4194304 [pid 7614] <... mkdir resumed>) = 0 [pid 7611] <... mount resumed>) = 0 [pid 7611] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7611] chdir("./file0") = 0 [pid 7611] ioctl(4, LOOP_CLR_FD) = 0 [pid 7611] close(4 [pid 7620] close(3 [pid 7617] munmap(0x7f76a8756000, 4194304 [pid 7614] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7620] <... close resumed>) = 0 [pid 7611] <... close resumed>) = 0 [pid 7611] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] <... futex resumed>) = 0 [pid 7609] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7609] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7617] <... munmap resumed>) = 0 [pid 7620] mkdir("./file0", 0777 [pid 7617] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7611] <... futex resumed>) = 1 [ 250.916672][ T7620] loop2: detected capacity change from 0 to 8192 [ 250.916838][ T7611] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 250.932311][ T7616] REISERFS (device loop1): using ordered data mode [ 250.939753][ T7616] reiserfs: using flush barriers [pid 7611] mkdir("./file1", 000 [pid 7620] <... mkdir resumed>) = 0 [pid 7617] <... openat resumed>) = 4 [pid 7611] <... mkdir resumed>) = 0 [pid 7611] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] <... futex resumed>) = 0 [pid 7609] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7609] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7611] <... futex resumed>) = 1 [pid 7611] mkdir("./bus", 000) = 0 [pid 7611] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7609] <... futex resumed>) = 0 [pid 7611] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7609] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 250.953057][ T7616] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 250.960758][ T7611] overlayfs: upper fs needs to support d_type. [ 250.975478][ T7616] REISERFS (device loop1): checking transaction log (loop1) [ 250.978602][ T7617] loop0: detected capacity change from 0 to 8192 [ 250.989764][ T7614] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 251.003580][ T7620] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7617] ioctl(4, LOOP_SET_FD, 3 [pid 7609] <... futex resumed>) = 0 [pid 7617] <... ioctl resumed>) = 0 [pid 7617] close(3) = 0 [pid 7617] mkdir("./file0", 0777) = 0 [ 251.017064][ T7616] REISERFS (device loop1): Using r5 hash to sort names [ 251.024214][ T7611] overlayfs: upper fs does not support tmpfile. [ 251.024280][ T7616] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 251.032359][ T7611] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 251.050139][ T7614] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 251.050231][ T7614] REISERFS (device loop3): using ordered data mode [pid 7617] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7609] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7616] <... mount resumed>) = 0 [pid 7616] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7616] chdir("./file0") = 0 [pid 7616] ioctl(4, LOOP_CLR_FD) = 0 [pid 7616] close(4) = 0 [pid 7616] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7613] <... futex resumed>) = 0 [ 251.050248][ T7614] reiserfs: using flush barriers [ 251.052505][ T7620] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 251.061134][ T7616] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 251.069693][ T7614] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.073105][ T7620] REISERFS (device loop2): using ordered data mode [pid 7616] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7613] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7613] <... futex resumed>) = 0 [pid 7616] mkdir("./file1", 000 [pid 7613] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7609] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7616] <... mkdir resumed>) = 0 [pid 7609] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] <... futex resumed>) = 0 [pid 7616] <... futex resumed>) = 1 [pid 7613] <... futex resumed>) = 0 [pid 7609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7616] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7613] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] <... mmap resumed>) = 0x7f76a8b35000 [pid 7616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7613] <... futex resumed>) = 0 [pid 7609] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7616] mkdir("./bus", 000 [pid 7613] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7609] <... mprotect resumed>) = 0 [pid 7616] <... mkdir resumed>) = 0 [pid 7609] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7616] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7613] <... futex resumed>) = 0 [pid 7609] <... clone resumed>, parent_tid=[7625], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7625 ./strace-static-x86_64: Process 7625 attached [pid 7616] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7613] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7609] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7625] set_robust_list(0x7f76a8b559e0, 24 [pid 7616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7613] <... futex resumed>) = 0 [pid 7609] <... futex resumed>) = 0 [pid 7616] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7613] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7609] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7625] <... set_robust_list resumed>) = 0 [ 251.084021][ T7617] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 251.092602][ T7611] overlayfs: failed to resolve './file0': -2 [ 251.146708][ T7614] REISERFS (device loop3): checking transaction log (loop3) [ 251.154379][ T7616] overlayfs: upper fs needs to support d_type. [ 251.154436][ T7616] overlayfs: upper fs does not support tmpfile. [pid 7611] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7625] mkdir(".", 0777 [pid 7611] <... futex resumed>) = 0 [pid 7625] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7611] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 251.155007][ T7616] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 251.171516][ T7620] reiserfs: using flush barriers [ 251.187969][ T7617] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 251.197498][ T7617] REISERFS (device loop0): using ordered data mode [ 251.198222][ T7614] REISERFS (device loop3): Using r5 hash to sort names [ 251.204046][ T7617] reiserfs: using flush barriers [pid 7625] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7613] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7613] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7613] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7626], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7626 [pid 7613] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 251.208187][ T7616] overlayfs: failed to resolve './file0': -2 [ 251.211933][ T7617] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.217150][ T7614] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 251.222611][ T7625] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7613] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7616] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7616] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7616] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7614] <... mount resumed>) = 0 [pid 7614] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7614] chdir("./file0") = 0 [pid 7614] ioctl(4, LOOP_CLR_FD) = 0 [pid 7614] close(4) = 0 [pid 7614] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7612] <... futex resumed>) = 0 [pid 7612] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7612] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7614] <... futex resumed>) = 1 [pid 7614] mkdir("./file1", 000) = 0 [pid 7614] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7612] <... futex resumed>) = 0 [pid 7612] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7612] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7614] <... futex resumed>) = 1 [pid 7614] mkdir("./bus", 000) = 0 [pid 7614] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7612] <... futex resumed>) = 0 [pid 7612] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7612] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7614] <... futex resumed>) = 1 [pid 7614] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7625] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7625] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] <... futex resumed>) = 0 [pid 7609] exit_group(0) = ? [pid 7625] <... futex resumed>) = ? [pid 7625] +++ exited with 0 +++ ./strace-static-x86_64: Process 7626 attached [pid 7626] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7626] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7626] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7611] <... futex resumed>) = ? [ 251.241627][ T7614] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 251.273821][ T7620] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.292338][ T7617] REISERFS (device loop0): checking transaction log (loop0) [ 251.304339][ T7620] REISERFS (device loop2): checking transaction log (loop2) [pid 7611] +++ exited with 0 +++ [pid 7609] +++ exited with 0 +++ [pid 7626] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7609, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5012] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./123/binderfs") = 0 [pid 5012] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 251.311617][ T7626] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 251.313248][ T7614] overlayfs: upper fs needs to support d_type. [ 251.331888][ T7614] overlayfs: upper fs does not support tmpfile. [ 251.339002][ T7614] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 251.347263][ T7620] REISERFS (device loop2): Using r5 hash to sort names [ 251.354450][ T7620] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7612] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7612] <... futex resumed>) = 0 [pid 7626] <... futex resumed>) = 1 [pid 7613] <... futex resumed>) = 0 [pid 7612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7626] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7613] exit_group(0 [pid 7626] <... futex resumed>) = ? [pid 7616] <... futex resumed>) = ? [pid 7613] <... exit_group resumed>) = ? [pid 7612] <... mmap resumed>) = 0x7f76a8b35000 [pid 7626] +++ exited with 0 +++ [pid 7616] +++ exited with 0 +++ [pid 7613] +++ exited with 0 +++ [pid 7612] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7613, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 7612] <... mprotect resumed>) = 0 [pid 7612] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7627], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7627 [pid 5009] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7612] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7627 attached [pid 7612] <... futex resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7627] set_robust_list(0x7f76a8b559e0, 24 [pid 7612] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] <... openat resumed>) = 3 [pid 7627] <... set_robust_list resumed>) = 0 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 251.367752][ T7617] REISERFS (device loop0): Using r5 hash to sort names [ 251.375015][ T7617] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 251.394091][ T7614] overlayfs: failed to resolve './file0': -2 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./121/binderfs", [pid 7627] mkdir(".", 0777 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./121/binderfs") = 0 [pid 7627] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7627] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7620] <... mount resumed>) = 0 [pid 7617] <... mount resumed>) = 0 [pid 5009] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7620] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7617] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7620] <... openat resumed>) = 3 [pid 7617] <... openat resumed>) = 3 [pid 7620] chdir("./file0" [pid 7617] chdir("./file0" [pid 7620] <... chdir resumed>) = 0 [pid 7617] <... chdir resumed>) = 0 [pid 7620] ioctl(4, LOOP_CLR_FD [pid 7617] ioctl(4, LOOP_CLR_FD [pid 7620] <... ioctl resumed>) = 0 [pid 7617] <... ioctl resumed>) = 0 [pid 7620] close(4 [pid 7617] close(4 [pid 7620] <... close resumed>) = 0 [pid 7617] <... close resumed>) = 0 [pid 7620] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7617] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] <... futex resumed>) = 1 [pid 7617] <... futex resumed>) = 1 [pid 7620] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7617] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7619] <... futex resumed>) = 0 [pid 7615] <... futex resumed>) = 0 [pid 7619] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7615] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] <... futex resumed>) = 0 [pid 7619] <... futex resumed>) = 1 [pid 7617] <... futex resumed>) = 0 [pid 7615] <... futex resumed>) = 1 [pid 7620] mkdir("./file1", 000 [pid 7619] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7617] mkdir("./file1", 000 [pid 7614] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7620] <... mkdir resumed>) = 0 [pid 7617] <... mkdir resumed>) = 0 [pid 7615] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 251.414586][ T7617] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 251.424575][ T7620] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7614] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7617] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7614] <... futex resumed>) = 0 [pid 7617] <... futex resumed>) = 0 [pid 7614] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7617] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7620] <... futex resumed>) = 1 [pid 7619] <... futex resumed>) = 0 [pid 7615] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7619] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7615] <... futex resumed>) = 1 [pid 7620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7619] <... futex resumed>) = 0 [pid 7615] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7620] mkdir("./bus", 000 [pid 7619] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7620] <... mkdir resumed>) = 0 [pid 7617] <... futex resumed>) = 0 [pid 7620] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7619] <... futex resumed>) = 0 [pid 7620] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7619] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7619] <... futex resumed>) = 0 [pid 7620] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7619] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7617] mkdir("./bus", 000) = 0 [pid 7617] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7615] <... futex resumed>) = 0 [pid 7617] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7615] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = 0 [pid 7617] <... futex resumed>) = 0 [pid 7615] <... futex resumed>) = 1 [pid 7617] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 5012] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7615] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] lstat("./123/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 251.476858][ T7627] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 251.497136][ T7620] overlayfs: upper fs needs to support d_type. [ 251.504010][ T7620] overlayfs: upper fs does not support tmpfile. [ 251.512180][ T7617] overlayfs: upper fs needs to support d_type. [pid 5012] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./123/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4 [pid 7619] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] <... close resumed>) = 0 [pid 7627] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7619] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] rmdir("./123/file0" [pid 7627] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7619] <... futex resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 7627] <... futex resumed>) = 1 [pid 7619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7612] <... futex resumed>) = 0 [pid 5012] getdents64(3, [pid 7627] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7619] <... mmap resumed>) = 0x7f76a8b35000 [pid 7612] exit_group(0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7627] <... futex resumed>) = ? [pid 7619] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7614] <... futex resumed>) = ? [pid 7612] <... exit_group resumed>) = ? [pid 5012] close(3 [pid 7627] +++ exited with 0 +++ [pid 7619] <... mprotect resumed>) = 0 [pid 7614] +++ exited with 0 +++ [pid 7612] +++ exited with 0 +++ [pid 5012] <... close resumed>) = 0 [pid 7619] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7615] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] rmdir("./123" [pid 7615] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... rmdir resumed>) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7612, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 7619] <... clone resumed>, parent_tid=[7628], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7628 [pid 7615] <... futex resumed>) = 0 [pid 5012] mkdir("./124", 0777 [pid 5011] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7619] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7619] <... futex resumed>) = 0 [pid 7615] <... mmap resumed>) = 0x7f76a8b35000 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7619] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7615] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... openat resumed>) = 3 [pid 5011] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7628 attached [pid 7615] <... mprotect resumed>) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5011] fstat(3, [pid 7628] set_robust_list(0x7f76a8b559e0, 24 [pid 7615] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 251.523178][ T7620] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 251.542991][ T7617] overlayfs: upper fs does not support tmpfile. [ 251.558805][ T7620] overlayfs: failed to resolve './file0': -2 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7628] <... set_robust_list resumed>) = 0 [pid 5012] close(3 [pid 5011] getdents64(3, [pid 7628] mkdir(".", 0777 [pid 7615] <... clone resumed>, parent_tid=[7629], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7629 [pid 5012] <... close resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7628] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7615] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7630 [pid 5011] lstat("./122/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7629 attached [pid 5011] unlink("./122/binderfs" [pid 7629] set_robust_list(0x7f76a8b559e0, 24 [pid 5011] <... unlink resumed>) = 0 [pid 7629] <... set_robust_list resumed>) = 0 [pid 5011] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7629] mkdir(".", 0777 [pid 7628] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] <... futex resumed>) = 0 [pid 7629] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7615] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 251.582846][ T7617] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 251.614551][ T7628] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7629] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 7630 attached [pid 7620] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7620] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] set_robust_list(0x555556dec5e0, 24 [pid 7620] <... futex resumed>) = 0 [pid 7630] <... set_robust_list resumed>) = 0 [pid 7620] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7630] chdir("./124") = 0 [pid 7630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7630] setpgid(0, 0 [pid 7628] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = 0 [pid 7630] <... setpgid resumed>) = 0 [pid 7629] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7628] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7629] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7628] <... futex resumed>) = 1 [pid 7619] <... futex resumed>) = 0 [pid 5009] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7630] <... openat resumed>) = 3 [pid 7629] <... futex resumed>) = 1 [pid 7628] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7619] exit_group(0 [pid 7615] <... futex resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./121/file0", [pid 7630] write(3, "1000", 4 [pid 7629] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7628] <... futex resumed>) = ? [pid 7620] <... futex resumed>) = ? [pid 7619] <... exit_group resumed>) = ? [pid 7628] +++ exited with 0 +++ [pid 7620] +++ exited with 0 +++ [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7619] +++ exited with 0 +++ [pid 7630] <... write resumed>) = 4 [pid 5009] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7630] close(3 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7619, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7630] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7630] symlink("/dev/binderfs", "./binderfs" [pid 5009] openat(AT_FDCWD, "./121/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7630] <... symlink resumed>) = 0 [pid 5010] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7630] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... openat resumed>) = 4 [pid 7630] <... futex resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] fstat(4, [pid 7630] <... mmap resumed>) = 0x7f76b0b56000 [pid 5010] fstat(3, [pid 7630] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7630] <... mprotect resumed>) = 0 [pid 5010] getdents64(3, [pid 5009] getdents64(4, [pid 7630] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7630] <... clone resumed>, parent_tid=[7631], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7631 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7630] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] lstat("./122/binderfs", [pid 5009] getdents64(4, [pid 7630] <... futex resumed>) = 0 [pid 7617] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7630] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7617] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] unlink("./122/binderfs" [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7631 attached [pid 7617] <... futex resumed>) = 0 [ 251.623165][ T7629] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 251.667647][ T7617] overlayfs: failed to resolve './file0': -2 [pid 5010] <... unlink resumed>) = 0 [pid 5009] close(4 [pid 7631] set_robust_list(0x7f76b0b769e0, 24 [pid 7617] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7615] exit_group(0 [pid 5010] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... close resumed>) = 0 [pid 7631] <... set_robust_list resumed>) = 0 [pid 7629] <... futex resumed>) = ? [pid 7617] <... futex resumed>) = ? [pid 7615] <... exit_group resumed>) = ? [pid 5009] rmdir("./121/file0" [pid 7631] memfd_create("syzkaller", 0 [pid 7629] +++ exited with 0 +++ [pid 7631] <... memfd_create resumed>) = 3 [pid 5009] <... rmdir resumed>) = 0 [pid 7631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7617] +++ exited with 0 +++ [pid 7615] +++ exited with 0 +++ [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7615, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5009] close(3) = 0 [pid 5009] rmdir("./121") = 0 [pid 5008] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] mkdir("./122", 0777 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... openat resumed>) = 3 [pid 5009] <... openat resumed>) = 3 [pid 5008] fstat(3, [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] close(3) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7632 [pid 5008] lstat("./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./121/binderfs") = 0 [pid 5008] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7632 attached [pid 7632] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7632] chdir("./122") = 0 [pid 7632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7632] setpgid(0, 0) = 0 [pid 7632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7632] write(3, "1000", 4) = 4 [pid 7632] close(3) = 0 [pid 7632] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7632] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7632] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7632] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7633], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7633 [pid 7632] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7632] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7633 attached [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7633] set_robust_list(0x7f76b0b769e0, 24 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7633] <... set_robust_list resumed>) = 0 [pid 5011] lstat("./122/file0", [pid 7633] memfd_create("syzkaller", 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7633] <... memfd_create resumed>) = 3 [pid 5011] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7633] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] openat(AT_FDCWD, "./122/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./122/file0") = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./122") = 0 [pid 5011] mkdir("./123", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 7631] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7634 ./strace-static-x86_64: Process 7634 attached [pid 7634] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7634] chdir("./123") = 0 [pid 7634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7634] setpgid(0, 0) = 0 [pid 7634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7634] write(3, "1000", 4) = 4 [pid 5010] <... umount2 resumed>) = 0 [pid 7634] close(3 [pid 7633] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7634] <... close resumed>) = 0 [pid 5010] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7634] symlink("/dev/binderfs", "./binderfs" [pid 5008] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7634] <... symlink resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7634] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] lstat("./122/file0", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7634] <... futex resumed>) = 0 [pid 7634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] lstat("./121/file0", [pid 7634] <... mmap resumed>) = 0x7f76b0b56000 [pid 5010] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7634] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7634] <... mprotect resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./122/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7634] clone(child_stack=0x7f76b0b763f0, 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 5010] <... openat resumed>) = 4 [pid 5008] openat(AT_FDCWD, "./121/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7634] <... clone resumed>, parent_tid=[7635], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7635 [pid 5010] fstat(4, [pid 7634] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 4 [pid 7634] <... futex resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7634] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] fstat(4, [pid 5010] getdents64(4, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 5010] getdents64(4, [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(4, [pid 5010] close(4 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] <... close resumed>) = 0 [pid 5008] close(4 [pid 5010] rmdir("./122/file0" [pid 5008] <... close resumed>) = 0 ./strace-static-x86_64: Process 7635 attached [pid 5010] <... rmdir resumed>) = 0 [pid 5008] rmdir("./121/file0" [pid 5010] getdents64(3, [pid 7635] set_robust_list(0x7f76b0b769e0, 24 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7635] <... set_robust_list resumed>) = 0 [pid 7635] memfd_create("syzkaller", 0 [pid 5010] close(3 [pid 5008] getdents64(3, [pid 7635] <... memfd_create resumed>) = 3 [pid 5010] <... close resumed>) = 0 [pid 7635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] rmdir("./122" [pid 5008] close(3 [pid 7635] <... mmap resumed>) = 0x7f76a8756000 [pid 7631] <... write resumed>) = 4194304 [pid 5010] <... rmdir resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 7631] munmap(0x7f76a8756000, 4194304 [pid 5010] mkdir("./123", 0777 [pid 5008] rmdir("./121" [pid 7631] <... munmap resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7631] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5008] mkdir("./122", 0777 [pid 7631] <... openat resumed>) = 4 [pid 5010] <... openat resumed>) = 3 [pid 5008] <... mkdir resumed>) = 0 [pid 7631] ioctl(4, LOOP_SET_FD, 3 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 5008] <... openat resumed>) = 3 [pid 5010] <... close resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7636 [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7637 ./strace-static-x86_64: Process 7636 attached [pid 7636] set_robust_list(0x555556dec5e0, 24) = 0 ./strace-static-x86_64: Process 7637 attached [pid 7636] chdir("./123" [pid 7637] set_robust_list(0x555556dec5e0, 24 [pid 7636] <... chdir resumed>) = 0 [pid 7631] <... ioctl resumed>) = 0 [pid 7637] <... set_robust_list resumed>) = 0 [pid 7636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7637] chdir("./122" [pid 7636] <... prctl resumed>) = 0 [pid 7631] close(3 [pid 7637] <... chdir resumed>) = 0 [pid 7636] setpgid(0, 0 [pid 7631] <... close resumed>) = 0 [pid 7637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7636] <... setpgid resumed>) = 0 [pid 7631] mkdir("./file0", 0777 [pid 7637] <... prctl resumed>) = 0 [pid 7636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7637] setpgid(0, 0 [pid 7636] <... openat resumed>) = 3 [pid 7631] <... mkdir resumed>) = 0 [pid 7637] <... setpgid resumed>) = 0 [ 251.963730][ T7631] loop4: detected capacity change from 0 to 8192 [pid 7636] write(3, "1000", 4 [pid 7631] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7636] <... write resumed>) = 4 [pid 7637] <... openat resumed>) = 3 [pid 7636] close(3 [pid 7637] write(3, "1000", 4 [pid 7636] <... close resumed>) = 0 [pid 7637] <... write resumed>) = 4 [pid 7636] symlink("/dev/binderfs", "./binderfs" [pid 7637] close(3 [pid 7636] <... symlink resumed>) = 0 [pid 7637] <... close resumed>) = 0 [pid 7636] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7637] symlink("/dev/binderfs", "./binderfs" [pid 7636] <... futex resumed>) = 0 [pid 7637] <... symlink resumed>) = 0 [pid 7636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7637] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7636] <... mmap resumed>) = 0x7f76b0b56000 [pid 7637] <... futex resumed>) = 0 [pid 7636] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7636] <... mprotect resumed>) = 0 [pid 7637] <... mmap resumed>) = 0x7f76b0b56000 [pid 7636] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7637] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7636] <... clone resumed>, parent_tid=[7639], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7639 [pid 7637] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7636] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7635] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7636] <... futex resumed>) = 0 [pid 7637] <... clone resumed>, parent_tid=[7640], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7640 [pid 7636] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7637] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7637] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7639 attached ./strace-static-x86_64: Process 7640 attached [pid 7639] set_robust_list(0x7f76b0b769e0, 24 [pid 7640] set_robust_list(0x7f76b0b769e0, 24 [pid 7639] <... set_robust_list resumed>) = 0 [pid 7640] <... set_robust_list resumed>) = 0 [pid 7639] memfd_create("syzkaller", 0 [pid 7640] memfd_create("syzkaller", 0 [pid 7639] <... memfd_create resumed>) = 3 [pid 7639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7640] <... memfd_create resumed>) = 3 [pid 7640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7639] <... mmap resumed>) = 0x7f76a8756000 [pid 7640] <... mmap resumed>) = 0x7f76a8756000 [ 252.032567][ T7631] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.075445][ T7631] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 252.084796][ T7631] REISERFS (device loop4): using ordered data mode [ 252.091560][ T7631] reiserfs: using flush barriers [ 252.105468][ T7631] 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 7635] <... write resumed>) = 4194304 [pid 7633] <... write resumed>) = 4194304 [pid 7633] munmap(0x7f76a8756000, 4194304 [pid 7635] munmap(0x7f76a8756000, 4194304 [pid 7633] <... munmap resumed>) = 0 [pid 7633] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7635] <... munmap resumed>) = 0 [pid 7633] ioctl(4, LOOP_SET_FD, 3 [pid 7635] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7633] <... ioctl resumed>) = 0 [pid 7633] close(3) = 0 [pid 7633] mkdir("./file0", 0777 [pid 7635] <... openat resumed>) = 4 [pid 7635] ioctl(4, LOOP_SET_FD, 3 [pid 7633] <... mkdir resumed>) = 0 [pid 7633] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7635] <... ioctl resumed>) = 0 [pid 7640] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7639] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 252.132005][ T7631] REISERFS (device loop4): checking transaction log (loop4) [ 252.144915][ T7633] loop1: detected capacity change from 0 to 8192 [ 252.151795][ T7631] REISERFS (device loop4): Using r5 hash to sort names [ 252.160517][ T7635] loop3: detected capacity change from 0 to 8192 [pid 7635] close(3) = 0 [pid 7635] mkdir("./file0", 0777) = 0 [ 252.172849][ T7631] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 252.186173][ T7633] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.215897][ T7635] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7635] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7631] <... mount resumed>) = 0 [ 252.229050][ T7633] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 252.238463][ T7631] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 252.247705][ T7635] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 252.256234][ T7633] REISERFS (device loop1): using ordered data mode [ 252.257051][ T7635] REISERFS (device loop3): using ordered data mode [ 252.270048][ T7635] reiserfs: using flush barriers [pid 7631] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7631] chdir("./file0") = 0 [pid 7631] ioctl(4, LOOP_CLR_FD) = 0 [pid 7631] close(4) = 0 [pid 7631] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7630] <... futex resumed>) = 0 [pid 7631] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7630] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7630] <... futex resumed>) = 0 [pid 7631] mkdir("./file1", 000 [pid 7630] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 252.276417][ T7635] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 252.278784][ T7633] reiserfs: using flush barriers [ 252.292983][ T7635] REISERFS (device loop3): checking transaction log (loop3) [ 252.306297][ T7635] REISERFS (device loop3): Using r5 hash to sort names [ 252.313447][ T7635] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7639] <... write resumed>) = 4194304 [pid 7631] <... mkdir resumed>) = 0 [pid 7631] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7630] <... futex resumed>) = 0 [pid 7639] munmap(0x7f76a8756000, 4194304 [pid 7631] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7630] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7630] <... futex resumed>) = 0 [pid 7639] <... munmap resumed>) = 0 [pid 7631] mkdir("./bus", 000 [pid 7630] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 252.342205][ T7633] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 252.346172][ T7635] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 252.358937][ T7633] REISERFS (device loop1): checking transaction log (loop1) [ 252.379044][ T7633] REISERFS (device loop1): Using r5 hash to sort names [pid 7639] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7631] <... mkdir resumed>) = 0 [pid 7631] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7630] <... futex resumed>) = 0 [pid 7640] <... write resumed>) = 4194304 [pid 7639] <... openat resumed>) = 4 [pid 7631] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7630] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7630] <... futex resumed>) = 0 [pid 7631] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7630] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7640] munmap(0x7f76a8756000, 4194304 [pid 7639] ioctl(4, LOOP_SET_FD, 3 [pid 7635] <... mount resumed>) = 0 [pid 7633] <... mount resumed>) = 0 [pid 7640] <... munmap resumed>) = 0 [pid 7639] <... ioctl resumed>) = 0 [pid 7635] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7633] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7639] close(3 [pid 7635] <... openat resumed>) = 3 [pid 7633] <... openat resumed>) = 3 [pid 7639] <... close resumed>) = 0 [pid 7635] chdir("./file0" [pid 7633] chdir("./file0" [pid 7639] mkdir("./file0", 0777 [pid 7635] <... chdir resumed>) = 0 [pid 7633] <... chdir resumed>) = 0 [pid 7639] <... mkdir resumed>) = 0 [pid 7635] ioctl(4, LOOP_CLR_FD [pid 7633] ioctl(4, LOOP_CLR_FD [pid 7639] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7635] <... ioctl resumed>) = 0 [pid 7633] <... ioctl resumed>) = 0 [pid 7640] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 252.386314][ T7633] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 252.399909][ T7633] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 252.405146][ T7631] overlayfs: upper fs needs to support d_type. [ 252.410815][ T7639] loop2: detected capacity change from 0 to 8192 [ 252.416889][ T7631] overlayfs: upper fs does not support tmpfile. [ 252.431228][ T7631] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7635] close(4 [pid 7633] close(4 [pid 7640] <... openat resumed>) = 4 [pid 7635] <... close resumed>) = 0 [pid 7633] <... close resumed>) = 0 [pid 7640] ioctl(4, LOOP_SET_FD, 3 [pid 7635] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7633] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7635] <... futex resumed>) = 1 [pid 7634] <... futex resumed>) = 0 [pid 7633] <... futex resumed>) = 1 [pid 7632] <... futex resumed>) = 0 [pid 7635] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7634] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7633] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7632] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7634] <... futex resumed>) = 0 [pid 7633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7632] <... futex resumed>) = 0 [pid 7635] mkdir("./file1", 000 [pid 7634] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7633] mkdir("./file1", 000 [pid 7632] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7635] <... mkdir resumed>) = 0 [pid 7633] <... mkdir resumed>) = 0 [pid 7630] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7635] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7633] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7635] <... futex resumed>) = 1 [pid 7634] <... futex resumed>) = 0 [pid 7633] <... futex resumed>) = 1 [pid 7632] <... futex resumed>) = 0 [pid 7631] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7630] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7635] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7634] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7633] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7632] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] <... futex resumed>) = 0 [pid 7631] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7634] <... futex resumed>) = 0 [pid 7633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7632] <... futex resumed>) = 0 [pid 7631] <... futex resumed>) = 0 [pid 7630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7635] mkdir("./bus", 000 [pid 7634] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7633] mkdir("./bus", 000 [pid 7632] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7635] <... mkdir resumed>) = 0 [pid 7633] <... mkdir resumed>) = 0 [pid 7631] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7630] <... mmap resumed>) = 0x7f76a8b35000 [pid 7635] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7633] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7635] <... futex resumed>) = 1 [pid 7634] <... futex resumed>) = 0 [pid 7633] <... futex resumed>) = 1 [pid 7632] <... futex resumed>) = 0 [pid 7635] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7634] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7633] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7632] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] <... mprotect resumed>) = 0 [pid 7635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7634] <... futex resumed>) = 0 [pid 7633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7632] <... futex resumed>) = 0 [pid 7635] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7634] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 252.439419][ T7639] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.441573][ T7631] overlayfs: failed to resolve './file0': -2 [ 252.454360][ T7640] loop0: detected capacity change from 0 to 8192 [ 252.477021][ T7639] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7633] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7632] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7634] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7630] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7634] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7644 attached [ 252.488441][ T7639] REISERFS (device loop2): using ordered data mode [ 252.489119][ T7635] overlayfs: upper fs needs to support d_type. [ 252.496748][ T7639] reiserfs: using flush barriers [ 252.502994][ T7633] overlayfs: upper fs needs to support d_type. [ 252.508994][ T7639] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 252.515173][ T7633] overlayfs: upper fs does not support tmpfile. [ 252.530921][ T7639] REISERFS (device loop2): checking transaction log (loop2) [pid 7640] <... ioctl resumed>) = 0 [pid 7634] <... mmap resumed>) = 0x7f76a8b35000 [pid 7644] set_robust_list(0x7f76a8b559e0, 24 [pid 7634] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7644] <... set_robust_list resumed>) = 0 [pid 7640] close(3 [pid 7634] <... mprotect resumed>) = 0 [pid 7630] <... clone resumed>, parent_tid=[7644], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7644 [pid 7634] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7645], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7645 [pid 7634] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7634] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7645 attached [pid 7645] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7645] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7645] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7630] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7640] <... close resumed>) = 0 [pid 7644] mkdir(".", 0777 [pid 7640] mkdir("./file0", 0777 [pid 7630] <... futex resumed>) = 0 [pid 7640] <... mkdir resumed>) = 0 [pid 7630] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7644] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7640] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 252.546936][ T7639] REISERFS (device loop2): Using r5 hash to sort names [ 252.548430][ T7635] overlayfs: upper fs does not support tmpfile. [ 252.554046][ T7639] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 252.578499][ T7645] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7644] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7632] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7632] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7632] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7632] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7647], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7647 [pid 7632] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7632] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7647 attached [pid 7647] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7647] mkdir(".", 0777) = -1 EEXIST (File exists) [ 252.580571][ T7633] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 252.609819][ T7640] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.610014][ T7644] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 252.625359][ T7633] overlayfs: failed to resolve './file0': -2 [pid 7647] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7645] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7645] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7634] <... futex resumed>) = 0 [pid 7645] <... futex resumed>) = 1 [ 252.642797][ T7640] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 252.652967][ T7635] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 252.658799][ T7639] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 252.661848][ T7647] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 252.683215][ T7640] REISERFS (device loop0): using ordered data mode [ 252.688188][ T7635] overlayfs: failed to resolve './file0': -2 [pid 7645] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7633] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7644] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7644] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] <... futex resumed>) = 0 [pid 7630] exit_group(0) = ? [pid 7644] <... futex resumed>) = ? [pid 7644] +++ exited with 0 +++ [pid 7639] <... mount resumed>) = 0 [pid 7633] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] <... futex resumed>) = ? [pid 7647] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7647] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7632] <... futex resumed>) = 0 [pid 7632] exit_group(0) = ? [pid 7647] <... futex resumed>) = ? [pid 7647] +++ exited with 0 +++ [pid 7639] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7639] chdir("./file0") = 0 [pid 7639] ioctl(4, LOOP_CLR_FD) = 0 [pid 7639] close(4) = 0 [pid 7635] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7633] <... futex resumed>) = ? [pid 7631] +++ exited with 0 +++ [pid 7630] +++ exited with 0 +++ [pid 7639] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7635] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7639] <... futex resumed>) = 1 [pid 7636] <... futex resumed>) = 0 [pid 7635] <... futex resumed>) = 0 [pid 7639] mkdir("./file1", 000 [pid 7636] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7635] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7634] exit_group(0 [pid 7645] <... futex resumed>) = ? [pid 7639] <... mkdir resumed>) = 0 [pid 7636] <... futex resumed>) = 0 [pid 7635] <... futex resumed>) = ? [pid 7634] <... exit_group resumed>) = ? [pid 7645] +++ exited with 0 +++ [pid 7639] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7636] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7635] +++ exited with 0 +++ [pid 7634] +++ exited with 0 +++ [pid 7633] +++ exited with 0 +++ [pid 7632] +++ exited with 0 +++ [pid 7639] <... futex resumed>) = 0 [pid 7636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7630, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7634, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7632, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7639] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7636] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7636] <... futex resumed>) = 0 [pid 7639] mkdir("./bus", 000 [pid 7636] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7639] <... mkdir resumed>) = 0 [pid 7639] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7639] <... futex resumed>) = 1 [pid 7636] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7639] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7636] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7636] <... futex resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5011] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7639] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7636] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 252.695938][ T7640] reiserfs: using flush barriers [ 252.703366][ T7640] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 252.721598][ T7640] REISERFS (device loop0): checking transaction log (loop0) [ 252.733590][ T7640] REISERFS (device loop0): Using r5 hash to sort names [pid 5012] lstat("./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./124/binderfs") = 0 [pid 5012] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7640] <... mount resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... openat resumed>) = 3 [pid 5009] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] fstat(3, [pid 5009] <... openat resumed>) = 3 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] fstat(3, [pid 5011] getdents64(3, [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] getdents64(3, [pid 7640] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5011] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7640] <... openat resumed>) = 3 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7640] chdir("./file0" [pid 5011] lstat("./123/binderfs", [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7640] <... chdir resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] lstat("./122/binderfs", [pid 7640] ioctl(4, LOOP_CLR_FD [pid 5011] unlink("./123/binderfs" [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7640] <... ioctl resumed>) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5009] unlink("./122/binderfs" [pid 7640] close(4 [pid 5011] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... unlink resumed>) = 0 [pid 7640] <... close resumed>) = 0 [pid 5009] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7640] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7637] <... futex resumed>) = 0 [pid 7640] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7637] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7637] <... futex resumed>) = 0 [pid 7640] mkdir("./file1", 000 [pid 7637] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7640] <... mkdir resumed>) = 0 [pid 7636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 252.742197][ T7640] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 252.756374][ T7639] overlayfs: upper fs needs to support d_type. [ 252.756522][ T7640] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 252.762595][ T7639] overlayfs: upper fs does not support tmpfile. [pid 7640] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7637] <... futex resumed>) = 0 [pid 7636] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7640] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7637] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7637] <... futex resumed>) = 0 [pid 7640] mkdir("./bus", 000 [pid 7637] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7640] <... mkdir resumed>) = 0 [pid 7640] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7637] <... futex resumed>) = 0 [pid 7640] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7637] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7637] <... futex resumed>) = 0 [pid 7640] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7637] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7636] <... futex resumed>) = 0 [pid 7636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7636] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7636] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7648], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7648 [pid 7636] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7636] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7639] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7639] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7639] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7637] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7637] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7637] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [ 252.801059][ T7639] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 252.812775][ T7639] overlayfs: failed to resolve './file0': -2 [ 252.816108][ T7640] overlayfs: upper fs needs to support d_type. [pid 7637] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7649], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7649 [pid 7637] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7637] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7649 attached [pid 7649] set_robust_list(0x7f76a8b559e0, 24) = 0 ./strace-static-x86_64: Process 7648 attached [pid 7649] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7648] set_robust_list(0x7f76a8b559e0, 24 [pid 7649] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7648] <... set_robust_list resumed>) = 0 [pid 7648] mkdir(".", 0777) = -1 EEXIST (File exists) [ 252.861226][ T7640] overlayfs: upper fs does not support tmpfile. [pid 7648] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./124/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./124/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./124/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./124") = 0 [pid 5012] mkdir("./125", 0777) = 0 [ 252.901595][ T7649] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [ 252.946126][ T7648] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7649] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7648] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = 0 [pid 7649] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7648] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7649] <... futex resumed>) = 1 [pid 7648] <... futex resumed>) = 1 [pid 7637] <... futex resumed>) = 0 [pid 7636] <... futex resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7649] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7648] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7636] exit_group(0 [pid 5011] lstat("./123/file0", [pid 7648] <... futex resumed>) = ? [pid 7639] <... futex resumed>) = ? [pid 7636] <... exit_group resumed>) = ? [pid 7648] +++ exited with 0 +++ [pid 7639] +++ exited with 0 +++ [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7650 [pid 7636] +++ exited with 0 +++ [pid 5011] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7636, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5011] openat(AT_FDCWD, "./123/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5011] <... openat resumed>) = 4 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5011] fstat(4, ./strace-static-x86_64: Process 7650 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, [pid 5010] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] getdents64(4, [pid 5010] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7650] set_robust_list(0x555556dec5e0, 24 [pid 5011] close(4 [pid 5010] <... openat resumed>) = 3 [pid 7650] <... set_robust_list resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5010] fstat(3, [pid 5011] rmdir("./123/file0" [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7650] chdir("./125") = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5010] getdents64(3, [pid 7650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] getdents64(3, [pid 7650] <... prctl resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7650] setpgid(0, 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7650] <... setpgid resumed>) = 0 [pid 5010] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] close(3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] <... close resumed>) = 0 [pid 5010] lstat("./123/binderfs", [pid 7650] <... openat resumed>) = 3 [pid 5011] rmdir("./123" [pid 7650] write(3, "1000", 4 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7650] <... write resumed>) = 4 [pid 5011] <... rmdir resumed>) = 0 [pid 5010] unlink("./123/binderfs" [pid 7650] close(3 [pid 5011] mkdir("./124", 0777 [pid 7650] <... close resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 7650] symlink("/dev/binderfs", "./binderfs" [pid 5011] <... mkdir resumed>) = 0 [pid 5010] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7650] <... symlink resumed>) = 0 [pid 7650] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7650] <... futex resumed>) = 0 [pid 7650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 5011] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = 0 [pid 7640] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7650] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7650] <... mprotect resumed>) = 0 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7650] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] close(3) = 0 [pid 7650] <... clone resumed>, parent_tid=[7651], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7651 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7650] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7652 [pid 7650] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7640] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7640] <... futex resumed>) = 0 [pid 7640] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7637] exit_group(0 [pid 7649] <... futex resumed>) = ? [pid 7640] <... futex resumed>) = ? [pid 7637] <... exit_group resumed>) = ? [pid 5009] lstat("./122/file0", [pid 7649] +++ exited with 0 +++ [pid 7640] +++ exited with 0 +++ [pid 7637] +++ exited with 0 +++ [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7637, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./122/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, [pid 5008] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] close(4 [pid 5008] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5009] rmdir("./122/file0" [pid 5008] fstat(3, [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, [pid 5008] getdents64(3, [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [ 252.986812][ T7640] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 253.012237][ T7640] overlayfs: failed to resolve './file0': -2 [pid 5009] close(3 [pid 5008] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] rmdir("./122" [pid 5008] lstat("./122/binderfs", [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] mkdir("./123", 0777 [pid 5008] unlink("./122/binderfs" [pid 5009] <... mkdir resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7651 attached ./strace-static-x86_64: Process 7652 attached [pid 5009] <... openat resumed>) = 3 [pid 7651] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 7651] <... set_robust_list resumed>) = 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7652] set_robust_list(0x555556dec5e0, 24 [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7652] <... set_robust_list resumed>) = 0 [pid 7651] memfd_create("syzkaller", 0 [pid 7652] chdir("./124" [pid 7651] <... memfd_create resumed>) = 3 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7653 [pid 7652] <... chdir resumed>) = 0 [pid 7651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7651] <... mmap resumed>) = 0x7f76a8756000 [pid 7652] <... prctl resumed>) = 0 [pid 7652] setpgid(0, 0./strace-static-x86_64: Process 7653 attached [pid 7653] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7653] chdir("./123") = 0 [pid 7653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7653] setpgid(0, 0) = 0 [pid 7653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7653] write(3, "1000", 4) = 4 [pid 7653] close(3) = 0 [pid 7653] symlink("/dev/binderfs", "./binderfs" [pid 7652] <... setpgid resumed>) = 0 [pid 7652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7653] <... symlink resumed>) = 0 [pid 7653] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7652] <... openat resumed>) = 3 [pid 7653] <... futex resumed>) = 0 [pid 7652] write(3, "1000", 4 [pid 7653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7652] <... write resumed>) = 4 [pid 7653] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7652] close(3 [pid 7653] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7652] <... close resumed>) = 0 [pid 7652] symlink("/dev/binderfs", "./binderfs" [pid 7653] <... clone resumed>, parent_tid=[7654], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7654 [pid 7653] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7653] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7654 attached [pid 7652] <... symlink resumed>) = 0 [pid 7654] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7654] memfd_create("syzkaller", 0) = 3 [pid 7654] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7652] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7652] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7652] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7655], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7655 [pid 7652] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7652] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7651] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7655 attached [pid 7655] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7655] memfd_create("syzkaller", 0 [pid 5010] <... umount2 resumed>) = 0 [pid 7655] <... memfd_create resumed>) = 3 [pid 7655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5010] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7655] <... mmap resumed>) = 0x7f76a8756000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./123/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./123/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./123/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./123") = 0 [pid 5010] mkdir("./124", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./122/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./122/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, [pid 5010] <... close resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7654] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7656 [pid 5008] close(4) = 0 [pid 5008] rmdir("./122/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7656 attached [pid 5008] close(3 [pid 7656] set_robust_list(0x555556dec5e0, 24 [pid 5008] <... close resumed>) = 0 [pid 7656] <... set_robust_list resumed>) = 0 [pid 5008] rmdir("./122" [pid 7656] chdir("./124" [pid 5008] <... rmdir resumed>) = 0 [pid 7656] <... chdir resumed>) = 0 [pid 5008] mkdir("./123", 0777 [pid 7656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... mkdir resumed>) = 0 [pid 7656] <... prctl resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7656] setpgid(0, 0 [pid 5008] <... openat resumed>) = 3 [pid 7656] <... setpgid resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7655] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7651] <... write resumed>) = 4194304 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7656] <... openat resumed>) = 3 [pid 7651] munmap(0x7f76a8756000, 4194304 [pid 5008] close(3 [pid 7656] write(3, "1000", 4 [pid 5008] <... close resumed>) = 0 [pid 7656] <... write resumed>) = 4 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7656] close(3) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7657 [pid 7656] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7656] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7656] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7656] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7658], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7658 [pid 7656] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7656] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7658 attached [pid 7658] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7658] memfd_create("syzkaller", 0) = 3 [pid 7651] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7657 attached [pid 7651] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7651] ioctl(4, LOOP_SET_FD, 3 [pid 7657] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7651] <... ioctl resumed>) = 0 [pid 7657] chdir("./123" [pid 7651] close(3 [pid 7657] <... chdir resumed>) = 0 [pid 7651] <... close resumed>) = 0 [pid 7657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7651] mkdir("./file0", 0777 [pid 7657] <... prctl resumed>) = 0 [pid 7651] <... mkdir resumed>) = 0 [pid 7657] setpgid(0, 0) = 0 [pid 7651] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7657] write(3, "1000", 4) = 4 [pid 7657] close(3) = 0 [pid 7657] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7657] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7657] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7657] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7660], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7660 [pid 7657] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 253.305177][ T7651] loop4: detected capacity change from 0 to 8192 [ 253.338049][ T7651] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7657] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7660 attached [pid 7654] <... write resumed>) = 4194304 [pid 7660] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7660] memfd_create("syzkaller", 0) = 3 [pid 7660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7654] munmap(0x7f76a8756000, 4194304) = 0 [pid 7654] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7654] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7654] close(3) = 0 [pid 7658] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7654] mkdir("./file0", 0777) = 0 [ 253.372064][ T7651] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 253.385195][ T7651] REISERFS (device loop4): using ordered data mode [ 253.392640][ T7651] reiserfs: using flush barriers [ 253.398725][ T7654] loop1: detected capacity change from 0 to 8192 [ 253.407994][ T7651] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 253.425129][ T7651] REISERFS (device loop4): checking transaction log (loop4) [ 253.433549][ T7651] REISERFS (device loop4): Using r5 hash to sort names [ 253.441231][ T7651] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 253.454147][ T7651] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7654] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7660] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7655] <... write resumed>) = 4194304 [pid 7655] munmap(0x7f76a8756000, 4194304) = 0 [pid 7651] <... mount resumed>) = 0 [pid 7651] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7655] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7651] chdir("./file0") = 0 [pid 7655] <... openat resumed>) = 4 [pid 7651] ioctl(4, LOOP_CLR_FD) = 0 [pid 7651] close(4 [ 253.463674][ T7654] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 253.477061][ T7654] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 253.489118][ T7654] REISERFS (device loop1): using ordered data mode [ 253.496258][ T7654] reiserfs: using flush barriers [ 253.503916][ T7654] 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 7655] ioctl(4, LOOP_SET_FD, 3 [pid 7651] <... close resumed>) = 0 [pid 7651] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] <... futex resumed>) = 0 [pid 7650] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7651] <... futex resumed>) = 1 [pid 7650] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7651] mkdir("./file1", 000) = 0 [pid 7658] <... write resumed>) = 4194304 [pid 7651] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] munmap(0x7f76a8756000, 4194304 [pid 7651] <... futex resumed>) = 1 [pid 7650] <... futex resumed>) = 0 [pid 7651] mkdir("./bus", 000 [pid 7650] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7651] <... mkdir resumed>) = 0 [pid 7658] <... munmap resumed>) = 0 [pid 7650] <... futex resumed>) = 0 [pid 7658] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7651] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7658] <... openat resumed>) = 4 [pid 7651] <... futex resumed>) = 0 [pid 7650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7658] ioctl(4, LOOP_SET_FD, 3 [ 253.510583][ T7655] loop3: detected capacity change from 0 to 8192 [ 253.520652][ T7654] REISERFS (device loop1): checking transaction log (loop1) [ 253.535856][ T7654] REISERFS (device loop1): Using r5 hash to sort names [ 253.548852][ T7654] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7651] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7650] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7650] <... futex resumed>) = 0 [pid 7651] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7650] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7658] <... ioctl resumed>) = 0 [pid 7658] close(3) = 0 [pid 7658] mkdir("./file0", 0777) = 0 [ 253.579810][ T7658] loop2: detected capacity change from 0 to 8192 [ 253.587325][ T7651] overlayfs: upper fs needs to support d_type. [ 253.593578][ T7651] overlayfs: upper fs does not support tmpfile. [ 253.615857][ T7658] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7658] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7660] <... write resumed>) = 4194304 [pid 7650] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7650] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7650] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7650] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7660] munmap(0x7f76a8756000, 4194304 [pid 7650] <... clone resumed>, parent_tid=[7663], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7663 [pid 7655] <... ioctl resumed>) = 0 [pid 7650] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7655] close(3 [pid 7650] <... futex resumed>) = 0 [pid 7655] <... close resumed>) = 0 [pid 7650] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7655] mkdir("./file0", 0777./strace-static-x86_64: Process 7663 attached ) = 0 [pid 7663] set_robust_list(0x7f76a8b559e0, 24 [pid 7655] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7663] <... set_robust_list resumed>) = 0 [pid 7663] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7663] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7660] <... munmap resumed>) = 0 [ 253.619393][ T7654] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 253.633601][ T7658] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 253.648455][ T7651] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 253.648650][ T7658] REISERFS (device loop2): using ordered data mode [ 253.665379][ T7658] reiserfs: using flush barriers [ 253.672686][ T7658] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 253.676699][ T7655] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 253.689767][ T7658] REISERFS (device loop2): checking transaction log (loop2) [ 253.708017][ T7663] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7660] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7663] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7660] <... openat resumed>) = 4 [pid 7654] <... mount resumed>) = 0 [pid 7663] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7650] <... futex resumed>) = 0 [pid 7663] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7660] ioctl(4, LOOP_SET_FD, 3 [pid 7654] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7654] chdir("./file0") = 0 [pid 7654] ioctl(4, LOOP_CLR_FD) = 0 [ 253.710435][ T7655] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 253.733667][ T7651] overlayfs: failed to resolve './file0': -2 [ 253.737016][ T7655] REISERFS (device loop3): using ordered data mode [ 253.741424][ T7658] REISERFS (device loop2): Using r5 hash to sort names [ 253.746570][ T7655] reiserfs: using flush barriers [ 253.754751][ T7660] loop0: detected capacity change from 0 to 8192 [ 253.760973][ T7658] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7654] close(4) = 0 [pid 7654] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7653] <... futex resumed>) = 0 [pid 7654] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7653] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7653] <... futex resumed>) = 0 [pid 7654] mkdir("./file1", 000 [pid 7653] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7658] <... mount resumed>) = 0 [pid 7654] <... mkdir resumed>) = 0 [pid 7651] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7660] <... ioctl resumed>) = 0 [pid 7660] close(3 [pid 7658] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7654] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7651] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] <... close resumed>) = 0 [pid 7658] <... openat resumed>) = 3 [pid 7654] <... futex resumed>) = 1 [pid 7653] <... futex resumed>) = 0 [pid 7651] <... futex resumed>) = 0 [pid 7650] exit_group(0 [pid 7663] <... futex resumed>) = ? [pid 7660] mkdir("./file0", 0777 [pid 7658] chdir("./file0" [pid 7654] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7653] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] <... exit_group resumed>) = ? [pid 7663] +++ exited with 0 +++ [pid 7660] <... mkdir resumed>) = 0 [pid 7658] <... chdir resumed>) = 0 [pid 7654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7653] <... futex resumed>) = 0 [pid 7651] +++ exited with 0 +++ [pid 7650] +++ exited with 0 +++ [pid 7660] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7658] ioctl(4, LOOP_CLR_FD [pid 7654] mkdir("./bus", 000 [pid 7653] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7658] <... ioctl resumed>) = 0 [pid 7654] <... mkdir resumed>) = 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7650, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 7658] close(4 [pid 7654] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7658] <... close resumed>) = 0 [pid 7654] <... futex resumed>) = 1 [pid 7653] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7654] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7653] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7658] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7653] <... futex resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 7658] <... futex resumed>) = 1 [pid 7656] <... futex resumed>) = 0 [ 253.776212][ T7655] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 253.785448][ T7658] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7654] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7653] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] fstat(3, [pid 7658] mkdir("./file1", 000 [pid 7656] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7658] <... mkdir resumed>) = 0 [pid 7656] <... futex resumed>) = 0 [pid 5012] getdents64(3, [pid 7658] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7656] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7658] <... futex resumed>) = 0 [pid 7656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7658] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7656] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7656] <... futex resumed>) = 0 [pid 5012] lstat("./125/binderfs", [pid 7658] mkdir("./bus", 000 [pid 7656] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7658] <... mkdir resumed>) = 0 [pid 5012] unlink("./125/binderfs" [pid 7658] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... unlink resumed>) = 0 [pid 7658] <... futex resumed>) = 1 [pid 7656] <... futex resumed>) = 0 [ 253.838717][ T7660] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 253.841113][ T7654] overlayfs: upper fs needs to support d_type. [ 253.875850][ T7660] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5012] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7658] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7656] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7656] <... futex resumed>) = 0 [ 253.876997][ T7655] REISERFS (device loop3): checking transaction log (loop3) [ 253.895431][ T7660] REISERFS (device loop0): using ordered data mode [ 253.903510][ T7660] reiserfs: using flush barriers [ 253.906718][ T7658] overlayfs: upper fs needs to support d_type. [ 253.911146][ T7654] overlayfs: upper fs does not support tmpfile. [ 253.915191][ T7660] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7658] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7656] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7654] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7653] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7654] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7653] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7654] <... futex resumed>) = 0 [pid 7653] <... futex resumed>) = 0 [pid 7654] mkdir(".", 0777 [pid 7653] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7654] <... mkdir resumed>) = -1 EEXIST (File exists) [ 253.922174][ T7654] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 253.938101][ T7658] overlayfs: upper fs does not support tmpfile. [ 253.946831][ T7654] overlayfs: failed to resolve './file0': -2 [ 253.956744][ T7655] REISERFS (device loop3): Using r5 hash to sort names [ 253.963968][ T7655] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 253.979827][ T7660] REISERFS (device loop0): checking transaction log (loop0) [pid 7654] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 7654] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7653] <... futex resumed>) = 0 [pid 7656] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7656] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7656] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7656] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7666], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7666 [pid 7656] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 253.989439][ T7654] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 254.003728][ T7660] REISERFS (device loop0): Using r5 hash to sort names [ 254.004145][ T7658] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 254.020898][ T7658] overlayfs: failed to resolve './file0': -2 [pid 7656] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7654] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7653] exit_group(0./strace-static-x86_64: Process 7666 attached [pid 7666] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7666] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7666] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7653] <... exit_group resumed>) = ? [pid 7654] <... futex resumed>) = ? [pid 7654] +++ exited with 0 +++ [pid 7653] +++ exited with 0 +++ [pid 7658] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7653, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7658] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7658] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5009] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7655] <... mount resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7655] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 254.029924][ T7660] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 254.031064][ T7655] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 254.067309][ T7660] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5009] lstat("./123/binderfs", [pid 7660] <... mount resumed>) = 0 [pid 7655] <... openat resumed>) = 3 [pid 5012] <... umount2 resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7666] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7666] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7656] <... futex resumed>) = 0 [pid 7656] exit_group(0) = ? [pid 7666] <... futex resumed>) = ? [pid 7666] +++ exited with 0 +++ [pid 7660] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7655] chdir("./file0" [pid 5009] unlink("./123/binderfs" [pid 7658] <... futex resumed>) = ? [pid 7660] <... openat resumed>) = 3 [pid 7655] <... chdir resumed>) = 0 [pid 5012] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7660] chdir("./file0" [pid 7655] ioctl(4, LOOP_CLR_FD [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... unlink resumed>) = 0 [pid 7660] <... chdir resumed>) = 0 [pid 7655] <... ioctl resumed>) = 0 [pid 5012] lstat("./125/file0", [pid 5009] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7658] +++ exited with 0 +++ [pid 7656] +++ exited with 0 +++ [pid 7660] ioctl(4, LOOP_CLR_FD [pid 7655] close(4 [pid 7660] <... ioctl resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7656, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 7660] close(4 [pid 7655] <... close resumed>) = 0 [pid 5012] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 7660] <... close resumed>) = 0 [pid 7655] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... restart_syscall resumed>) = 0 [pid 7660] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7655] <... futex resumed>) = 1 [pid 7652] <... futex resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./125/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7660] <... futex resumed>) = 1 [pid 7657] <... futex resumed>) = 0 [pid 7655] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7652] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... openat resumed>) = 4 [pid 7660] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7657] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7652] <... futex resumed>) = 0 [pid 5010] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] fstat(4, [pid 7660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7657] <... futex resumed>) = 0 [pid 7655] mkdir("./file1", 000 [pid 7652] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7660] mkdir("./file1", 000 [pid 7657] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7655] <... mkdir resumed>) = 0 [pid 5012] getdents64(4, [pid 5010] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7660] <... mkdir resumed>) = 0 [pid 7655] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7655] <... futex resumed>) = 1 [pid 7652] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] <... openat resumed>) = 3 [pid 7660] <... futex resumed>) = 1 [pid 7657] <... futex resumed>) = 0 [pid 7655] mkdir("./bus", 000 [pid 7652] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(4, [pid 5010] fstat(3, [pid 7660] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7657] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7655] <... mkdir resumed>) = 0 [pid 7652] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [ 254.077676][ T7666] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7657] <... futex resumed>) = 0 [pid 7655] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7652] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] close(4 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7660] mkdir("./bus", 000 [pid 7657] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7655] <... futex resumed>) = 0 [pid 7652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] <... close resumed>) = 0 [pid 5010] getdents64(3, [pid 7660] <... mkdir resumed>) = 0 [pid 7655] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7652] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] rmdir("./125/file0" [pid 7660] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7652] <... futex resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7660] <... futex resumed>) = 1 [pid 7657] <... futex resumed>) = 0 [pid 7655] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7652] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... rmdir resumed>) = 0 [pid 5010] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7660] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7657] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7657] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] getdents64(3, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] lstat("./124/binderfs", [pid 7660] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 5012] close(3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] <... close resumed>) = 0 [pid 5010] unlink("./124/binderfs" [pid 5012] rmdir("./125" [pid 5010] <... unlink resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5010] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] mkdir("./126", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 7652] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 254.141427][ T7655] overlayfs: upper fs needs to support d_type. [ 254.155758][ T7660] overlayfs: upper fs needs to support d_type. [ 254.157294][ T7655] overlayfs: upper fs does not support tmpfile. [pid 7652] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7657] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7652] <... futex resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7657] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7657] <... futex resumed>) = 0 [pid 7652] <... mmap resumed>) = 0x7f76a8b35000 [pid 7657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7652] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7667 [pid 7657] <... mmap resumed>) = 0x7f76a8b35000 [pid 7652] <... mprotect resumed>) = 0 [pid 7657] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7652] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7657] <... mprotect resumed>) = 0 [pid 7657] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7652] <... clone resumed>, parent_tid=[7668], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7668 [pid 7652] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7657] <... clone resumed>, parent_tid=[7669], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7669 [pid 7652] <... futex resumed>) = 0 [pid 7657] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7652] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7657] <... futex resumed>) = 0 [pid 7657] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7668 attached [pid 7668] set_robust_list(0x7f76a8b559e0, 24) = 0 ./strace-static-x86_64: Process 7669 attached [pid 7668] mkdir(".", 0777 [pid 7669] set_robust_list(0x7f76a8b559e0, 24 [pid 7668] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7669] <... set_robust_list resumed>) = 0 [pid 7668] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 7667 attached [pid 7669] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7667] set_robust_list(0x555556dec5e0, 24 [pid 7669] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7667] <... set_robust_list resumed>) = 0 [ 254.191380][ T7660] overlayfs: upper fs does not support tmpfile. [ 254.218055][ T7655] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7667] chdir("./126") = 0 [pid 7667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7667] setpgid(0, 0) = 0 [pid 7667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7667] write(3, "1000", 4) = 4 [pid 7667] close(3 [pid 7655] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7667] <... close resumed>) = 0 [pid 7655] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7667] symlink("/dev/binderfs", "./binderfs" [pid 7655] <... futex resumed>) = 0 [pid 7667] <... symlink resumed>) = 0 [pid 7655] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7667] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7667] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7667] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7670], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7670 [pid 7667] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 254.237052][ T7660] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 254.242060][ T7655] overlayfs: failed to resolve './file0': -2 [ 254.262830][ T7669] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 254.276427][ T7668] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7667] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7670 attached [pid 5010] <... umount2 resumed>) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 7670] set_robust_list(0x7f76b0b769e0, 24 [pid 5010] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7670] <... set_robust_list resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7670] memfd_create("syzkaller", 0 [pid 5010] lstat("./124/file0", [pid 7670] <... memfd_create resumed>) = 3 [pid 7669] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7670] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7669] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7670] <... mmap resumed>) = 0x7f76a8756000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./123/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./123/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] openat(AT_FDCWD, "./124/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7669] <... futex resumed>) = 1 [pid 7660] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7657] <... futex resumed>) = 0 [pid 7669] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7660] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7657] exit_group(0 [pid 5010] <... openat resumed>) = 4 [pid 7669] <... futex resumed>) = ? [pid 7660] <... futex resumed>) = ? [pid 7657] <... exit_group resumed>) = ? [pid 5010] fstat(4, [pid 7669] +++ exited with 0 +++ [pid 7660] +++ exited with 0 +++ [pid 7657] +++ exited with 0 +++ [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, [pid 5010] getdents64(4, [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7657, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] close(4 [pid 5010] getdents64(4, [pid 5009] <... close resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 7668] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] rmdir("./124/file0" [pid 5009] rmdir("./123/file0" [pid 7668] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 7670] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7652] <... futex resumed>) = 0 [pid 5010] getdents64(3, [pid 7668] <... futex resumed>) = 1 [pid 5009] getdents64(3, [pid 7668] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7652] exit_group(0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7668] <... futex resumed>) = ? [pid 7655] <... futex resumed>) = ? [pid 7652] <... exit_group resumed>) = ? [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7668] +++ exited with 0 +++ [pid 7655] +++ exited with 0 +++ [pid 7652] +++ exited with 0 +++ [pid 5009] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 254.310803][ T7660] overlayfs: failed to resolve './file0': -2 [pid 5009] rmdir("./123" [pid 5008] <... openat resumed>) = 3 [pid 5010] close(3 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] fstat(3, [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7652, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5010] <... close resumed>) = 0 [pid 5009] mkdir("./124", 0777 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] rmdir("./124" [pid 5009] <... mkdir resumed>) = 0 [pid 5008] getdents64(3, [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] mkdir("./125", 0777 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] lstat("./123/binderfs", [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] close(3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5008] unlink("./123/binderfs" [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... unlink resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7671 ./strace-static-x86_64: Process 7671 attached [pid 5011] fstat(3, [pid 5010] <... openat resumed>) = 3 [pid 7671] set_robust_list(0x555556dec5e0, 24 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 7671] <... set_robust_list resumed>) = 0 [pid 5011] getdents64(3, [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] close(3 [pid 7671] chdir("./124" [pid 5010] <... close resumed>) = 0 [pid 5011] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7671] <... chdir resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] lstat("./124/binderfs", ./strace-static-x86_64: Process 7672 attached [pid 7671] <... prctl resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7672 [pid 7672] set_robust_list(0x555556dec5e0, 24 [pid 7671] setpgid(0, 0 [pid 5011] unlink("./124/binderfs" [pid 7671] <... setpgid resumed>) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 7671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7672] <... set_robust_list resumed>) = 0 [pid 7671] <... openat resumed>) = 3 [pid 7671] write(3, "1000", 4 [pid 7672] chdir("./125" [pid 7671] <... write resumed>) = 4 [pid 7672] <... chdir resumed>) = 0 [pid 7671] close(3 [pid 7672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7671] <... close resumed>) = 0 [pid 7672] setpgid(0, 0 [pid 7671] symlink("/dev/binderfs", "./binderfs" [pid 7672] <... setpgid resumed>) = 0 [pid 7671] <... symlink resumed>) = 0 [pid 7672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7671] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7672] <... openat resumed>) = 3 [pid 7672] write(3, "1000", 4 [pid 7671] <... futex resumed>) = 0 [pid 7672] <... write resumed>) = 4 [pid 7671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7672] close(3 [pid 7671] <... mmap resumed>) = 0x7f76b0b56000 [pid 7672] <... close resumed>) = 0 [pid 7671] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7670] <... write resumed>) = 4194304 [pid 7672] symlink("/dev/binderfs", "./binderfs" [pid 7671] <... mprotect resumed>) = 0 [pid 7670] munmap(0x7f76a8756000, 4194304 [pid 7672] <... symlink resumed>) = 0 [pid 7671] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7672] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7670] <... munmap resumed>) = 0 [pid 7672] <... futex resumed>) = 0 [pid 7671] <... clone resumed>, parent_tid=[7673], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7673 [pid 7670] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7671] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7670] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7673 attached [pid 7672] <... mmap resumed>) = 0x7f76b0b56000 [pid 7671] <... futex resumed>) = 0 [pid 7670] ioctl(4, LOOP_SET_FD, 3 [pid 7673] set_robust_list(0x7f76b0b769e0, 24 [pid 7672] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7671] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7672] <... mprotect resumed>) = 0 [pid 7673] <... set_robust_list resumed>) = 0 [pid 7672] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7673] memfd_create("syzkaller", 0) = 3 [pid 7673] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7672] <... clone resumed>, parent_tid=[7674], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7674 [pid 7673] <... mmap resumed>) = 0x7f76a8756000 [pid 7672] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7674 attached [pid 7674] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7674] memfd_create("syzkaller", 0) = 3 [pid 7674] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7672] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./123/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7670] <... ioctl resumed>) = 0 [pid 7670] close(3) = 0 [pid 7670] mkdir("./file0", 0777 [pid 5008] openat(AT_FDCWD, "./123/file0", 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, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./123/file0" [pid 7670] <... mkdir resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7670] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [ 254.477342][ T7670] loop4: detected capacity change from 0 to 8192 [pid 5008] close(3) = 0 [pid 5008] rmdir("./123") = 0 [pid 5008] mkdir("./124", 0777 [pid 7673] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 254.544629][ T7670] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5008] close(3) = 0 [pid 7673] <... write resumed>) = 4194304 [pid 7673] munmap(0x7f76a8756000, 4194304 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7676 attached [pid 7673] <... munmap resumed>) = 0 [pid 7673] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7676 [pid 7673] <... openat resumed>) = 4 [pid 7673] ioctl(4, LOOP_SET_FD, 3 [pid 7676] set_robust_list(0x555556dec5e0, 24 [pid 7674] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5011] <... umount2 resumed>) = 0 [pid 7676] <... set_robust_list resumed>) = 0 [pid 5011] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7676] chdir("./124" [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7676] <... chdir resumed>) = 0 [pid 5011] lstat("./124/file0", [pid 7676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7676] setpgid(0, 0 [pid 5011] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7676] <... setpgid resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] openat(AT_FDCWD, "./124/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7676] <... openat resumed>) = 3 [pid 5011] <... openat resumed>) = 4 [pid 7676] write(3, "1000", 4 [pid 5011] fstat(4, [pid 7676] <... write resumed>) = 4 [pid 7673] <... ioctl resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7676] close(3 [pid 7673] close(3 [pid 5011] getdents64(4, [pid 7676] <... close resumed>) = 0 [pid 7673] <... close resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7676] symlink("/dev/binderfs", "./binderfs" [pid 7673] mkdir("./file0", 0777 [pid 5011] getdents64(4, [pid 7676] <... symlink resumed>) = 0 [pid 7673] <... mkdir resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7676] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7673] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5011] close(4 [pid 7676] <... futex resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 7676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] rmdir("./124/file0" [pid 7676] <... mmap resumed>) = 0x7f76b0b56000 [pid 7676] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] <... rmdir resumed>) = 0 [pid 7676] <... mprotect resumed>) = 0 [ 254.592489][ T7670] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 254.602696][ T7670] REISERFS (device loop4): using ordered data mode [ 254.609451][ T7670] reiserfs: using flush barriers [ 254.614293][ T7673] loop1: detected capacity change from 0 to 8192 [ 254.621113][ T7670] 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 5011] getdents64(3, [pid 7676] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3 [pid 7676] <... clone resumed>, parent_tid=[7678], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7678 [pid 7676] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... close resumed>) = 0 [pid 7676] <... futex resumed>) = 0 [pid 5011] rmdir("./124" [pid 7676] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... rmdir resumed>) = 0 [pid 5011] mkdir("./125", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 ./strace-static-x86_64: Process 7678 attached [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7678] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 5011] close(3) = 0 [pid 7678] memfd_create("syzkaller", 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7679 attached [pid 7678] <... memfd_create resumed>) = 3 [pid 7674] <... write resumed>) = 4194304 [ 254.665772][ T7673] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 254.694196][ T7670] REISERFS (device loop4): checking transaction log (loop4) [ 254.704554][ T7673] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7679] set_robust_list(0x555556dec5e0, 24 [pid 7678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7674] munmap(0x7f76a8756000, 4194304 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7679 [pid 7679] <... set_robust_list resumed>) = 0 [pid 7678] <... mmap resumed>) = 0x7f76a8756000 [pid 7674] <... munmap resumed>) = 0 [pid 7679] chdir("./125") = 0 [pid 7679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7679] setpgid(0, 0) = 0 [pid 7679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7679] write(3, "1000", 4) = 4 [pid 7679] close(3) = 0 [pid 7679] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7679] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7674] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7670] <... mount resumed>) = 0 [pid 7679] <... mmap resumed>) = 0x7f76b0b56000 [pid 7674] <... openat resumed>) = 4 [pid 7679] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [ 254.711509][ T7670] REISERFS (device loop4): Using r5 hash to sort names [ 254.716580][ T7673] REISERFS (device loop1): using ordered data mode [ 254.722447][ T7670] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 254.728330][ T7673] reiserfs: using flush barriers [ 254.744094][ T7670] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 254.759505][ T7674] loop2: detected capacity change from 0 to 8192 [pid 7674] ioctl(4, LOOP_SET_FD, 3 [pid 7679] <... mprotect resumed>) = 0 [pid 7679] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7680], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7680 [pid 7679] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7679] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7670] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7670] chdir("./file0") = 0 [pid 7670] ioctl(4, LOOP_CLR_FD) = 0 [pid 7670] close(4./strace-static-x86_64: Process 7680 attached [pid 7674] <... ioctl resumed>) = 0 [pid 7680] set_robust_list(0x7f76b0b769e0, 24 [pid 7674] close(3 [pid 7680] <... set_robust_list resumed>) = 0 [pid 7674] <... close resumed>) = 0 [pid 7680] memfd_create("syzkaller", 0 [pid 7674] mkdir("./file0", 0777 [pid 7680] <... memfd_create resumed>) = 3 [pid 7674] <... mkdir resumed>) = 0 [pid 7680] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7674] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7680] <... mmap resumed>) = 0x7f76a8756000 [ 254.765762][ T7673] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 254.783480][ T7673] REISERFS (device loop1): checking transaction log (loop1) [ 254.793722][ T7673] REISERFS (device loop1): Using r5 hash to sort names [pid 7670] <... close resumed>) = 0 [pid 7670] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7667] <... futex resumed>) = 0 [pid 7667] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7667] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7670] mkdir("./file1", 000) = 0 [pid 7670] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7667] <... futex resumed>) = 0 [pid 7670] <... futex resumed>) = 1 [pid 7667] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7667] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7670] mkdir("./bus", 000) = 0 [pid 7670] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7667] <... futex resumed>) = 0 [pid 7670] <... futex resumed>) = 1 [pid 7667] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7670] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7667] <... futex resumed>) = 0 [ 254.807199][ T7674] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 254.807534][ T7673] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 254.833608][ T7674] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 254.857692][ T7670] overlayfs: upper fs needs to support d_type. [pid 7667] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7680] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7670] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7673] <... mount resumed>) = 0 [pid 7670] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7667] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7673] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7670] <... futex resumed>) = 0 [pid 7667] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7670] mkdir(".", 0777 [pid 7667] <... futex resumed>) = 0 [pid 7673] <... openat resumed>) = 3 [pid 7667] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7670] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7673] chdir("./file0" [pid 7670] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7673] <... chdir resumed>) = 0 [pid 7673] ioctl(4, LOOP_CLR_FD) = 0 [pid 7678] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7673] close(4) = 0 [ 254.864469][ T7670] overlayfs: upper fs does not support tmpfile. [ 254.872347][ T7670] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 254.875433][ T7674] REISERFS (device loop2): using ordered data mode [ 254.882219][ T7670] overlayfs: failed to resolve './file0': -2 [ 254.893072][ T7673] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 254.904874][ T7674] reiserfs: using flush barriers [pid 7673] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7673] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7671] <... futex resumed>) = 0 [pid 7670] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7680] <... write resumed>) = 4194304 [pid 7671] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7670] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 254.926392][ T7670] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 254.937692][ T7674] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 254.967990][ T7674] REISERFS (device loop2): checking transaction log (loop2) [pid 7680] munmap(0x7f76a8756000, 4194304 [pid 7673] <... futex resumed>) = 0 [pid 7671] <... futex resumed>) = 1 [pid 7670] <... futex resumed>) = 1 [pid 7667] <... futex resumed>) = 0 [pid 7673] mkdir("./file1", 000) = 0 [pid 7673] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7673] <... futex resumed>) = 0 [pid 7680] <... munmap resumed>) = 0 [pid 7673] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7670] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7667] exit_group(0 [pid 7680] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7671] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7670] <... futex resumed>) = ? [pid 7667] <... exit_group resumed>) = ? [pid 7680] <... openat resumed>) = 4 [pid 7673] <... futex resumed>) = 0 [pid 7671] <... futex resumed>) = 1 [pid 7670] +++ exited with 0 +++ [pid 7673] mkdir("./bus", 000 [pid 7680] ioctl(4, LOOP_SET_FD, 3 [pid 7673] <... mkdir resumed>) = 0 [pid 7671] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7667] +++ exited with 0 +++ [pid 7673] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7667, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7673] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7680] <... ioctl resumed>) = 0 [pid 7671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] getdents64(3, [pid 7671] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7673] <... futex resumed>) = 0 [pid 7671] <... futex resumed>) = 1 [ 254.976688][ T7674] REISERFS (device loop2): Using r5 hash to sort names [ 254.988204][ T7674] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 255.007254][ T7680] loop3: detected capacity change from 0 to 8192 [pid 5012] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7673] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7671] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7680] close(3 [pid 5012] lstat("./126/binderfs", [pid 7680] <... close resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7680] mkdir("./file0", 0777 [pid 5012] unlink("./126/binderfs" [pid 7680] <... mkdir resumed>) = 0 [pid 5012] <... unlink resumed>) = 0 [pid 7680] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5012] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7674] <... mount resumed>) = 0 [pid 7674] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7674] chdir("./file0") = 0 [pid 7674] ioctl(4, LOOP_CLR_FD) = 0 [ 255.021208][ T7673] overlayfs: upper fs needs to support d_type. [ 255.025443][ T7674] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 255.032826][ T7673] overlayfs: upper fs does not support tmpfile. [ 255.056252][ T7680] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.056388][ T7673] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7674] close(4 [pid 7678] <... write resumed>) = 4194304 [pid 7674] <... close resumed>) = 0 [pid 7671] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7678] munmap(0x7f76a8756000, 4194304 [pid 7674] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] <... munmap resumed>) = 0 [pid 7674] <... futex resumed>) = 1 [pid 7672] <... futex resumed>) = 0 [pid 7671] <... futex resumed>) = 0 [pid 7673] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7678] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7674] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7672] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7678] <... openat resumed>) = 4 [pid 7674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7673] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7672] <... futex resumed>) = 0 [pid 7671] <... mmap resumed>) = 0x7f76a8b35000 [pid 7678] ioctl(4, LOOP_SET_FD, 3 [pid 7674] mkdir("./file1", 000 [pid 7673] <... futex resumed>) = 0 [pid 7672] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 255.084862][ T7673] overlayfs: failed to resolve './file0': -2 [ 255.101445][ T7680] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 255.111408][ T7680] REISERFS (device loop3): using ordered data mode [ 255.118384][ T7680] reiserfs: using flush barriers [ 255.121153][ T7678] loop0: detected capacity change from 0 to 8192 [pid 7671] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7678] <... ioctl resumed>) = 0 [pid 7674] <... mkdir resumed>) = 0 [pid 7673] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7671] <... mprotect resumed>) = 0 [pid 7678] close(3 [pid 7674] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7678] <... close resumed>) = 0 [pid 7674] <... futex resumed>) = 1 [pid 7672] <... futex resumed>) = 0 [pid 7678] mkdir("./file0", 0777 [pid 7674] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7672] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] <... clone resumed>, parent_tid=[7683], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7683 [pid 7678] <... mkdir resumed>) = 0 [pid 7674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7672] <... futex resumed>) = 0 [pid 7671] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7674] mkdir("./bus", 000 [pid 7672] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7671] <... futex resumed>) = 0 [pid 7674] <... mkdir resumed>) = 0 [pid 7671] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7683 attached [pid 7674] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7683] set_robust_list(0x7f76a8b559e0, 24 [pid 7674] <... futex resumed>) = 1 [pid 7672] <... futex resumed>) = 0 [pid 7674] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7672] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7672] <... futex resumed>) = 0 [ 255.128676][ T7680] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 255.151549][ T7680] REISERFS (device loop3): checking transaction log (loop3) [ 255.171822][ T7678] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7674] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7672] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7683] <... set_robust_list resumed>) = 0 [pid 7683] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7683] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./126/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 255.186669][ T7680] REISERFS (device loop3): Using r5 hash to sort names [ 255.195777][ T7680] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 255.209788][ T7674] overlayfs: upper fs needs to support d_type. [ 255.223162][ T7683] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5012] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./126/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, [pid 7672] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7672] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(4, [pid 7672] <... futex resumed>) = 0 [ 255.242482][ T7678] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 255.252512][ T7678] REISERFS (device loop0): using ordered data mode [ 255.252758][ T7674] overlayfs: upper fs does not support tmpfile. [ 255.259513][ T7678] reiserfs: using flush barriers [ 255.272440][ T7678] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./126/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7672] <... mmap resumed>) = 0x7f76a8b35000 [pid 5012] close(3 [pid 7672] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... close resumed>) = 0 [pid 5012] rmdir("./126") = 0 [pid 5012] mkdir("./127", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7672] <... mprotect resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 7672] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7672] <... clone resumed>, parent_tid=[7685], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7685 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7686 [pid 7683] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7678] <... mount resumed>) = 0 [pid 7672] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7686 attached ./strace-static-x86_64: Process 7685 attached [ 255.277711][ T7680] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 255.289934][ T7678] REISERFS (device loop0): checking transaction log (loop0) [ 255.307177][ T7678] REISERFS (device loop0): Using r5 hash to sort names [ 255.314858][ T7678] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 255.329639][ T7678] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7686] set_robust_list(0x555556dec5e0, 24 [pid 7685] set_robust_list(0x7f76a8b559e0, 24 [pid 7686] <... set_robust_list resumed>) = 0 [pid 7685] <... set_robust_list resumed>) = 0 [pid 7686] chdir("./127" [pid 7685] mkdir(".", 0777 [pid 7683] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7672] <... futex resumed>) = 0 [pid 7686] <... chdir resumed>) = 0 [pid 7685] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7683] <... futex resumed>) = 1 [pid 7671] <... futex resumed>) = 0 [pid 7686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7685] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7686] <... prctl resumed>) = 0 [pid 7686] setpgid(0, 0 [pid 7678] <... openat resumed>) = 3 [pid 7672] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7683] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7686] <... setpgid resumed>) = 0 [pid 7671] exit_group(0 [pid 7686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7683] <... futex resumed>) = ? [pid 7680] <... mount resumed>) = 0 [pid 7678] chdir("./file0" [pid 7673] <... futex resumed>) = ? [pid 7671] <... exit_group resumed>) = ? [pid 7683] +++ exited with 0 +++ [pid 7680] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7678] <... chdir resumed>) = 0 [pid 7673] +++ exited with 0 +++ [pid 7671] +++ exited with 0 +++ [pid 7680] <... openat resumed>) = 3 [pid 7678] ioctl(4, LOOP_CLR_FD [pid 7680] chdir("./file0" [pid 7678] <... ioctl resumed>) = 0 [pid 7680] <... chdir resumed>) = 0 [pid 7678] close(4 [pid 7680] ioctl(4, LOOP_CLR_FD [pid 7678] <... close resumed>) = 0 [pid 7680] <... ioctl resumed>) = 0 [pid 7678] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7680] close(4 [pid 7678] <... futex resumed>) = 1 [pid 7680] <... close resumed>) = 0 [pid 7678] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7680] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7680] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7686] <... openat resumed>) = 3 [pid 7686] write(3, "1000", 4) = 4 [pid 7686] close(3) = 0 [pid 7686] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7686] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7679] <... futex resumed>) = 0 [pid 7676] <... futex resumed>) = 0 [pid 7674] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7671, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7679] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7674] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7686] <... mmap resumed>) = 0x7f76b0b56000 [pid 7680] <... futex resumed>) = 0 [pid 7679] <... futex resumed>) = 1 [pid 7678] <... futex resumed>) = 0 [pid 7676] <... futex resumed>) = 1 [pid 7674] <... futex resumed>) = 0 [pid 7686] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7680] mkdir("./file1", 000 [pid 7679] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7678] mkdir("./file1", 000 [pid 7676] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7674] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7686] <... mprotect resumed>) = 0 [pid 7680] <... mkdir resumed>) = 0 [pid 7678] <... mkdir resumed>) = 0 [pid 7686] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7680] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7680] <... futex resumed>) = 1 [pid 7679] <... futex resumed>) = 0 [pid 7678] <... futex resumed>) = 1 [pid 7676] <... futex resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7686] <... clone resumed>, parent_tid=[7687], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7687 [pid 7680] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7679] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7676] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7686] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7679] <... futex resumed>) = 0 [pid 7678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7676] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7687 attached [pid 7686] <... futex resumed>) = 0 [pid 7680] mkdir("./bus", 000 [pid 7679] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7678] mkdir("./bus", 000 [pid 7676] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... openat resumed>) = 3 [pid 7687] set_robust_list(0x7f76b0b769e0, 24 [pid 7686] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7680] <... mkdir resumed>) = 0 [pid 7678] <... mkdir resumed>) = 0 [pid 5009] fstat(3, [pid 7687] <... set_robust_list resumed>) = 0 [pid 7680] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7687] memfd_create("syzkaller", 0 [pid 7680] <... futex resumed>) = 1 [pid 7679] <... futex resumed>) = 0 [pid 7678] <... futex resumed>) = 1 [pid 7676] <... futex resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7687] <... memfd_create resumed>) = 3 [pid 7680] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7679] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7676] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] getdents64(3, [pid 7687] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7679] <... futex resumed>) = 0 [pid 7678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 255.340541][ T7674] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 255.349768][ T7674] overlayfs: failed to resolve './file0': -2 [ 255.363970][ T7685] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7680] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7679] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7678] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7676] <... futex resumed>) = 0 [pid 7687] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7676] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7685] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./124/binderfs", [pid 7685] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7672] <... futex resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./124/binderfs" [pid 7685] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7672] exit_group(0 [pid 5009] <... unlink resumed>) = 0 [pid 5009] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7685] <... futex resumed>) = ? [pid 7674] <... futex resumed>) = ? [pid 7672] <... exit_group resumed>) = ? [pid 7674] +++ exited with 0 +++ [pid 7685] +++ exited with 0 +++ [pid 7672] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7672, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5010] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7679] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] fstat(3, [pid 7679] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] getdents64(3, [pid 7679] <... mmap resumed>) = 0x7f76a8b35000 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7679] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5010] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7679] <... mprotect resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7679] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 255.401059][ T7678] overlayfs: upper fs needs to support d_type. [ 255.401059][ T7680] overlayfs: upper fs needs to support d_type. [ 255.401101][ T7678] overlayfs: upper fs does not support tmpfile. [ 255.415326][ T7680] overlayfs: upper fs does not support tmpfile. [ 255.422966][ T7678] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5010] lstat("./125/binderfs", ./strace-static-x86_64: Process 7688 attached {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7688] set_robust_list(0x7f76a8b559e0, 24 [pid 7679] <... clone resumed>, parent_tid=[7688], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7688 [pid 5010] unlink("./125/binderfs" [pid 7688] <... set_robust_list resumed>) = 0 [pid 7679] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] <... unlink resumed>) = 0 [pid 7688] mkdir(".", 0777 [pid 7679] <... futex resumed>) = 0 [pid 7676] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7688] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7679] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7676] <... futex resumed>) = 0 [pid 7676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7688] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7676] <... mmap resumed>) = 0x7f76a8b35000 [pid 7678] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7676] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7678] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7676] <... mprotect resumed>) = 0 [pid 7678] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7676] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7689], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7689 [ 255.456822][ T7678] overlayfs: failed to resolve './file0': -2 [ 255.490648][ T7680] overlayfs: upper fs does not support RENAME_WHITEOUT. ./strace-static-x86_64: Process 7689 attached [pid 7689] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7689] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7676] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7676] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7689] <... futex resumed>) = 0 [pid 7689] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7689] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 255.516042][ T7688] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7687] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7688] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7688] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7688] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7679] <... futex resumed>) = 0 [pid 7680] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7680] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7679] exit_group(0) = ? [pid 7688] <... futex resumed>) = ? [pid 7688] +++ exited with 0 +++ [pid 7680] +++ exited with 0 +++ [pid 7679] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7679, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5011] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 255.557987][ T7680] overlayfs: failed to resolve './file0': -2 [ 255.568392][ T7689] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5011] getdents64(3, [pid 5009] <... umount2 resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./124/file0", [pid 5011] lstat("./125/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] unlink("./125/binderfs" [pid 5009] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./124/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, [pid 7689] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, [pid 7689] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./124/file0" [pid 7689] <... futex resumed>) = 1 [pid 7676] <... futex resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 7689] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7676] exit_group(0 [pid 5009] getdents64(3, [pid 7689] <... futex resumed>) = ? [pid 7678] <... futex resumed>) = ? [pid 7676] <... exit_group resumed>) = ? [pid 7689] +++ exited with 0 +++ [pid 7678] +++ exited with 0 +++ [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7676] +++ exited with 0 +++ [pid 5009] close(3) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7676, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5009] rmdir("./124" [pid 5008] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] <... rmdir resumed>) = 0 [pid 5009] mkdir("./125", 0777 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] unlink("./124/binderfs") = 0 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5008] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] close(3 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./125/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./125/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] <... close resumed>) = 0 [pid 5010] fstat(4, [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7690 [pid 5010] close(4) = 0 [pid 5010] rmdir("./125/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3./strace-static-x86_64: Process 7690 attached ) = 0 [pid 7690] set_robust_list(0x555556dec5e0, 24 [pid 5010] rmdir("./125") = 0 [pid 5010] mkdir("./126", 0777 [pid 7690] <... set_robust_list resumed>) = 0 [pid 7690] chdir("./125") = 0 [pid 7690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] <... mkdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7690] <... prctl resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 7690] setpgid(0, 0 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 7690] <... setpgid resumed>) = 0 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] close(3 [pid 7690] <... openat resumed>) = 3 [pid 7690] write(3, "1000", 4) = 4 [pid 5010] <... close resumed>) = 0 [pid 7690] close(3 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7690] <... close resumed>) = 0 [pid 7690] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7690] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7691 [pid 7690] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7691 attached ) = 0 [pid 7691] set_robust_list(0x555556dec5e0, 24 [pid 7690] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7687] <... write resumed>) = 4194304 [pid 5011] <... umount2 resumed>) = 0 [pid 7691] <... set_robust_list resumed>) = 0 [pid 7691] chdir("./126" [pid 7690] <... clone resumed>, parent_tid=[7692], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7692 [pid 7690] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7691] <... chdir resumed>) = 0 [pid 7690] <... futex resumed>) = 0 [pid 7691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7690] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7691] <... prctl resumed>) = 0 [pid 7691] setpgid(0, 0) = 0 [pid 7691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7691] write(3, "1000", 4) = 4 [pid 7691] close(3) = 0 [pid 7691] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7692 attached [pid 7692] set_robust_list(0x7f76b0b769e0, 24 [pid 7691] <... symlink resumed>) = 0 [pid 7692] <... set_robust_list resumed>) = 0 [pid 7691] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] memfd_create("syzkaller", 0 [pid 7691] <... futex resumed>) = 0 [pid 5011] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7692] <... memfd_create resumed>) = 3 [pid 7691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... umount2 resumed>) = 0 [pid 7692] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7691] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7691] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5008] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7692] <... mmap resumed>) = 0x7f76a8756000 [pid 7691] <... mprotect resumed>) = 0 [pid 5011] lstat("./125/file0", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7691] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7691] <... clone resumed>, parent_tid=[7693], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7693 [pid 7691] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7687] munmap(0x7f76a8756000, 4194304 [pid 5011] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7691] <... futex resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7691] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] openat(AT_FDCWD, "./125/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] lstat("./124/file0", [pid 5011] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7693 attached [pid 5011] fstat(4, [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7693] set_robust_list(0x7f76b0b769e0, 24 [pid 7687] <... munmap resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7693] <... set_robust_list resumed>) = 0 [pid 5011] getdents64(4, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7693] memfd_create("syzkaller", 0 [pid 7687] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] openat(AT_FDCWD, "./124/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7693] <... memfd_create resumed>) = 3 [pid 7692] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7687] <... openat resumed>) = 4 [pid 5011] getdents64(4, [pid 7693] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7687] ioctl(4, LOOP_SET_FD, 3 [pid 5008] <... openat resumed>) = 4 [pid 7693] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] fstat(4, [pid 5011] close(4 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... close resumed>) = 0 [pid 5008] getdents64(4, [pid 5011] rmdir("./125/file0" [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... rmdir resumed>) = 0 [pid 5008] getdents64(4, [pid 5011] getdents64(3, [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(4 [pid 5011] close(3) = 0 [pid 5008] <... close resumed>) = 0 [pid 5011] rmdir("./125" [pid 5008] rmdir("./124/file0" [pid 5011] <... rmdir resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5011] mkdir("./126", 0777 [pid 5008] getdents64(3, [pid 7687] <... ioctl resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5008] close(3 [pid 5011] <... openat resumed>) = 3 [pid 5008] <... close resumed>) = 0 [pid 7687] close(3 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7687] <... close resumed>) = 0 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] rmdir("./124" [pid 7687] mkdir("./file0", 0777 [pid 5011] close(3 [pid 7687] <... mkdir resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7687] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] mkdir("./125", 0777) = 0 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7695 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [ 255.819139][ T7687] loop4: detected capacity change from 0 to 8192 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7695 attached [pid 7692] <... write resumed>) = 4194304 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7696 [pid 7695] set_robust_list(0x555556dec5e0, 24 [pid 7692] munmap(0x7f76a8756000, 4194304 [pid 7695] <... set_robust_list resumed>) = 0 [pid 7695] chdir("./126") = 0 ./strace-static-x86_64: Process 7696 attached [pid 7695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7696] set_robust_list(0x555556dec5e0, 24 [pid 7695] <... prctl resumed>) = 0 [pid 7696] <... set_robust_list resumed>) = 0 [pid 7695] setpgid(0, 0 [pid 7696] chdir("./125" [pid 7695] <... setpgid resumed>) = 0 [pid 7692] <... munmap resumed>) = 0 [pid 7696] <... chdir resumed>) = 0 [pid 7696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7696] setpgid(0, 0) = 0 [pid 7696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7696] write(3, "1000", 4) = 4 [pid 7696] close(3 [pid 7695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7692] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7696] <... close resumed>) = 0 [ 255.875745][ T7687] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.911396][ T7687] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7696] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7696] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] <... openat resumed>) = 3 [pid 7692] <... openat resumed>) = 4 [pid 7696] <... futex resumed>) = 0 [pid 7696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7696] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7696] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7695] write(3, "1000", 4 [pid 7692] ioctl(4, LOOP_SET_FD, 3 [pid 7696] <... clone resumed>, parent_tid=[7697], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7697 [pid 7695] <... write resumed>) = 4 [pid 7696] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7696] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7697 attached [pid 7697] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7697] memfd_create("syzkaller", 0 [pid 7695] close(3 [pid 7692] <... ioctl resumed>) = 0 [pid 7693] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7697] <... memfd_create resumed>) = 3 [pid 7697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7695] <... close resumed>) = 0 [pid 7692] close(3 [pid 7697] <... mmap resumed>) = 0x7f76a8756000 [pid 7695] symlink("/dev/binderfs", "./binderfs" [pid 7692] <... close resumed>) = 0 [pid 7695] <... symlink resumed>) = 0 [pid 7692] mkdir("./file0", 0777 [pid 7695] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] <... mkdir resumed>) = 0 [pid 7695] <... futex resumed>) = 0 [pid 7692] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7695] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [ 255.921870][ T7687] REISERFS (device loop4): using ordered data mode [ 255.929762][ T7687] reiserfs: using flush barriers [ 255.936720][ T7692] loop1: detected capacity change from 0 to 8192 [ 255.944908][ T7687] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 255.962217][ T7687] REISERFS (device loop4): checking transaction log (loop4) [pid 7695] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7699], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7699 [pid 7695] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7699 attached ) = 0 [pid 7699] set_robust_list(0x7f76b0b769e0, 24 [pid 7695] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7687] <... mount resumed>) = 0 [pid 7699] <... set_robust_list resumed>) = 0 [pid 7687] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7699] memfd_create("syzkaller", 0 [pid 7687] <... openat resumed>) = 3 [pid 7699] <... memfd_create resumed>) = 3 [pid 7687] chdir("./file0" [pid 7699] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7687] <... chdir resumed>) = 0 [pid 7699] <... mmap resumed>) = 0x7f76a8756000 [pid 7687] ioctl(4, LOOP_CLR_FD [pid 7693] <... write resumed>) = 4194304 [pid 7687] <... ioctl resumed>) = 0 [pid 7693] munmap(0x7f76a8756000, 4194304 [pid 7687] close(4 [pid 7693] <... munmap resumed>) = 0 [pid 7687] <... close resumed>) = 0 [pid 7687] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7686] <... futex resumed>) = 0 [pid 7687] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7686] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7686] <... futex resumed>) = 0 [pid 7687] mkdir("./file1", 000 [pid 7686] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7687] <... mkdir resumed>) = 0 [pid 7693] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7687] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7693] <... openat resumed>) = 4 [pid 7687] <... futex resumed>) = 1 [pid 7686] <... futex resumed>) = 0 [pid 7693] ioctl(4, LOOP_SET_FD, 3 [ 255.971265][ T7687] REISERFS (device loop4): Using r5 hash to sort names [ 255.978826][ T7687] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 255.992128][ T7687] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 255.993429][ T7692] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7687] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7686] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7686] <... futex resumed>) = 0 [pid 7687] mkdir("./bus", 000) = 0 [pid 7686] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7687] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7687] <... futex resumed>) = 0 [pid 7686] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7687] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7686] <... futex resumed>) = 0 [pid 7686] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7693] <... ioctl resumed>) = 0 [pid 7693] close(3) = 0 [pid 7693] mkdir("./file0", 0777) = 0 [pid 7693] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 256.051969][ T7693] loop2: detected capacity change from 0 to 8192 [ 256.063296][ T7687] overlayfs: upper fs needs to support d_type. [ 256.070107][ T7687] overlayfs: upper fs does not support tmpfile. [ 256.075460][ T7692] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 256.080392][ T7687] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 256.094740][ T7687] overlayfs: failed to resolve './file0': -2 [pid 7697] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7699] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7686] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 256.101997][ T7693] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 256.115630][ T7693] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 256.120019][ T7692] REISERFS (device loop1): using ordered data mode [ 256.126080][ T7693] REISERFS (device loop2): using ordered data mode [ 256.139193][ T7693] reiserfs: using flush barriers [ 256.145138][ T7692] reiserfs: using flush barriers [pid 7686] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7687] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7686] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7687] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7687] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7686] <... mprotect resumed>) = 0 [pid 7686] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7701], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7701 ./strace-static-x86_64: Process 7701 attached [pid 7701] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7701] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7686] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7701] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7701] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7686] <... futex resumed>) = 0 [ 256.146749][ T7693] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 256.168339][ T7693] REISERFS (device loop2): checking transaction log (loop2) [ 256.181433][ T7693] REISERFS (device loop2): Using r5 hash to sort names [pid 7686] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7693] <... mount resumed>) = 0 [pid 7693] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7693] chdir("./file0") = 0 [pid 7693] ioctl(4, LOOP_CLR_FD) = 0 [pid 7693] close(4) = 0 [pid 7693] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7691] <... futex resumed>) = 0 [pid 7693] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7691] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7691] <... futex resumed>) = 0 [pid 7693] mkdir("./file1", 000 [pid 7691] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7693] <... mkdir resumed>) = 0 [pid 7693] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7691] <... futex resumed>) = 0 [pid 7693] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7691] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7691] <... futex resumed>) = 0 [pid 7693] mkdir("./bus", 000 [pid 7691] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7693] <... mkdir resumed>) = 0 [pid 7693] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7691] <... futex resumed>) = 0 [pid 7693] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7691] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7691] <... futex resumed>) = 0 [pid 7693] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 256.198784][ T7692] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 256.199246][ T7693] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 256.202541][ T7701] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 256.216549][ T7693] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7691] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7699] <... write resumed>) = 4194304 [pid 7699] munmap(0x7f76a8756000, 4194304) = 0 [pid 7699] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 256.282117][ T7693] overlayfs: upper fs needs to support d_type. [ 256.291107][ T7693] overlayfs: upper fs does not support tmpfile. [ 256.302437][ T7693] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 256.316137][ T7693] overlayfs: failed to resolve './file0': -2 [pid 7699] ioctl(4, LOOP_SET_FD, 3 [pid 7701] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7699] <... ioctl resumed>) = 0 [pid 7697] <... write resumed>) = 4194304 [pid 7691] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7701] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] close(3 [pid 7691] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7697] munmap(0x7f76a8756000, 4194304 [pid 7701] <... futex resumed>) = 1 [pid 7699] <... close resumed>) = 0 [pid 7686] <... futex resumed>) = 0 [pid 7691] <... futex resumed>) = 0 [pid 7701] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7699] mkdir("./file0", 0777 [pid 7686] exit_group(0 [pid 7687] <... futex resumed>) = ? [pid 7686] <... exit_group resumed>) = ? [pid 7687] +++ exited with 0 +++ [pid 7697] <... munmap resumed>) = 0 [pid 7697] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7701] <... futex resumed>) = ? [pid 7699] <... mkdir resumed>) = 0 [pid 7693] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7691] <... mmap resumed>) = 0x7f76a8b35000 [pid 7697] <... openat resumed>) = 4 [pid 7701] +++ exited with 0 +++ [pid 7699] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7697] ioctl(4, LOOP_SET_FD, 3 [ 256.328382][ T7699] loop3: detected capacity change from 0 to 8192 [ 256.335921][ T7692] REISERFS (device loop1): checking transaction log (loop1) [ 256.344960][ T7692] REISERFS (device loop1): Using r5 hash to sort names [ 256.353700][ T7692] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 256.372368][ T7692] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7693] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7691] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7686] +++ exited with 0 +++ [pid 7693] <... futex resumed>) = 0 [pid 7692] <... mount resumed>) = 0 [pid 7691] <... mprotect resumed>) = 0 [pid 7693] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7692] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7691] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7692] <... openat resumed>) = 3 [pid 7692] chdir("./file0" [pid 7691] <... clone resumed>, parent_tid=[7702], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7702 [pid 7692] <... chdir resumed>) = 0 [pid 7691] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] ioctl(4, LOOP_CLR_FD [pid 7691] <... futex resumed>) = 0 [pid 7692] <... ioctl resumed>) = 0 [pid 7691] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7692] close(4) = 0 [pid 7692] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7690] <... futex resumed>) = 0 [pid 7692] mkdir("./file1", 000 [pid 7690] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] <... mkdir resumed>) = 0 [pid 7690] <... futex resumed>) = 0 [pid 7692] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7692] <... futex resumed>) = 0 [pid 7690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7692] mkdir("./bus", 000 [pid 7690] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] <... mkdir resumed>) = 0 [pid 7690] <... futex resumed>) = 0 [pid 7692] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7692] <... futex resumed>) = 0 [pid 7690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7692] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7690] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7690] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7702 attached [pid 7697] <... ioctl resumed>) = 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7686, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7702] set_robust_list(0x7f76a8b559e0, 24 [ 256.374206][ T7697] loop0: detected capacity change from 0 to 8192 [ 256.391692][ T7692] overlayfs: upper fs needs to support d_type. [ 256.400408][ T7699] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 256.406667][ T7692] overlayfs: upper fs does not support tmpfile. [ 256.414459][ T7699] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7697] close(3 [pid 7702] <... set_robust_list resumed>) = 0 [pid 7697] <... close resumed>) = 0 [pid 7702] mkdir(".", 0777 [pid 7697] mkdir("./file0", 0777 [pid 5012] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7690] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7690] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7690] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7690] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7702] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7690] <... mprotect resumed>) = 0 [pid 7697] <... mkdir resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7690] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7704], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7704 [pid 7702] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7690] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7690] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7704 attached [pid 7704] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7704] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7704] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, [ 256.429968][ T7699] REISERFS (device loop3): using ordered data mode [ 256.437339][ T7699] reiserfs: using flush barriers [ 256.439885][ T7692] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 256.459776][ T7699] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 256.462812][ T7692] overlayfs: failed to resolve './file0': -2 [pid 7697] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./127/binderfs", [pid 7692] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7692] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] unlink("./127/binderfs" [pid 7692] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... unlink resumed>) = 0 [ 256.485475][ T7704] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 256.499704][ T7699] REISERFS (device loop3): checking transaction log (loop3) [ 256.502394][ T7702] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 256.523681][ T7699] REISERFS (device loop3): Using r5 hash to sort names [pid 5012] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7704] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7704] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] <... futex resumed>) = 0 [pid 7690] exit_group(0 [pid 7692] <... futex resumed>) = ? [pid 7690] <... exit_group resumed>) = ? [pid 7692] +++ exited with 0 +++ [pid 7704] <... futex resumed>) = ? [pid 7704] +++ exited with 0 +++ [pid 7690] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7690, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5009] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5009] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./125/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./125/binderfs") = 0 [pid 5009] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7702] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7702] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7691] <... futex resumed>) = 0 [pid 7691] exit_group(0 [pid 7693] <... futex resumed>) = ? [pid 7691] <... exit_group resumed>) = ? [pid 7693] +++ exited with 0 +++ [pid 7702] <... futex resumed>) = ? [pid 7699] <... mount resumed>) = 0 [ 256.525176][ T7697] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 256.531891][ T7699] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 256.557842][ T7699] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 256.568604][ T7697] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 256.578120][ T7697] REISERFS (device loop0): using ordered data mode [pid 7699] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7699] chdir("./file0") = 0 [pid 7702] +++ exited with 0 +++ [pid 7699] ioctl(4, LOOP_CLR_FD [pid 7691] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7691, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5010] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5010] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./126/binderfs") = 0 [pid 7699] <... ioctl resumed>) = 0 [pid 5010] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7699] close(4) = 0 [pid 7699] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7695] <... futex resumed>) = 0 [pid 7695] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7695] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7699] mkdir("./file1", 000) = 0 [pid 7699] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7695] <... futex resumed>) = 0 [ 256.585157][ T7697] reiserfs: using flush barriers [ 256.596671][ T7697] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 256.616199][ T7697] REISERFS (device loop0): checking transaction log (loop0) [ 256.625011][ T7697] REISERFS (device loop0): Using r5 hash to sort names [pid 7699] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7695] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = 0 [pid 7695] <... futex resumed>) = 0 [pid 7695] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7699] mkdir("./bus", 000) = 0 [pid 5012] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7699] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7697] <... mount resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7699] <... futex resumed>) = 1 [pid 7697] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7695] <... futex resumed>) = 0 [pid 5012] lstat("./127/file0", [pid 7699] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7697] <... openat resumed>) = 3 [ 256.655411][ T7697] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 256.671091][ T7697] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7695] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7697] chdir("./file0" [pid 7695] <... futex resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7697] <... chdir resumed>) = 0 [pid 7695] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7697] ioctl(4, LOOP_CLR_FD [pid 5012] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = 0 [pid 7697] <... ioctl resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7697] close(4 [pid 5012] openat(AT_FDCWD, "./127/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7697] <... close resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 7697] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(4, [pid 5009] lstat("./125/file0", [pid 7697] <... futex resumed>) = 1 [pid 7696] <... futex resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7697] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7696] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(4, [pid 5009] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7696] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7697] mkdir("./file1", 000 [pid 7696] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] getdents64(4, [pid 5009] openat(AT_FDCWD, "./125/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7699] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7697] <... mkdir resumed>) = 0 [pid 7695] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... openat resumed>) = 4 [pid 7699] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7697] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] close(4 [pid 7699] <... futex resumed>) = 0 [pid 7697] <... futex resumed>) = 1 [pid 7696] <... futex resumed>) = 0 [pid 7695] <... futex resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5009] fstat(4, [pid 7699] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7697] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7696] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 256.702290][ T7699] overlayfs: upper fs needs to support d_type. [ 256.712039][ T7699] overlayfs: upper fs does not support tmpfile. [ 256.720723][ T7699] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 256.730909][ T7699] overlayfs: failed to resolve './file0': -2 [pid 7695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7696] <... futex resumed>) = 0 [pid 7695] <... mmap resumed>) = 0x7f76a8b35000 [pid 5012] rmdir("./127/file0" [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7696] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7695] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7697] mkdir("./bus", 000 [pid 7695] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7697] <... mkdir resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5009] getdents64(4, [pid 7697] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] <... clone resumed>, parent_tid=[7706], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7706 [pid 5012] getdents64(3, [pid 7695] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7697] <... futex resumed>) = 1 [pid 7696] <... futex resumed>) = 0 [pid 7695] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7697] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7696] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] close(3./strace-static-x86_64: Process 7706 attached [pid 7696] <... futex resumed>) = 0 [pid 5009] getdents64(4, [pid 7706] set_robust_list(0x7f76a8b559e0, 24 [pid 7696] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... close resumed>) = 0 [pid 7706] <... set_robust_list resumed>) = 0 [pid 7706] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7706] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] rmdir("./127" [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5009] close(4 [pid 5012] mkdir("./128", 0777 [pid 5010] <... umount2 resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5009] rmdir("./125/file0") = 0 [pid 5010] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5009] getdents64(3, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5010] lstat("./126/file0", [pid 5009] close(3 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... close resumed>) = 0 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] rmdir("./125" [pid 5012] close(3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... rmdir resumed>) = 0 [pid 5012] <... close resumed>) = 0 [ 256.807622][ T7697] overlayfs: upper fs needs to support d_type. [ 256.814869][ T7697] overlayfs: upper fs does not support tmpfile. [ 256.826469][ T7697] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 256.840151][ T7697] overlayfs: failed to resolve './file0': -2 [pid 5010] openat(AT_FDCWD, "./126/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] mkdir("./126", 0777 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] <... openat resumed>) = 4 [pid 5009] <... mkdir resumed>) = 0 [pid 5010] fstat(4, [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7707 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... openat resumed>) = 3 [pid 7706] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7696] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] getdents64(4, [pid 5009] ioctl(3, LOOP_CLR_FD [pid 7706] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7697] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7696] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7697] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7696] <... futex resumed>) = 0 [pid 5010] getdents64(4, [pid 5009] close(3 [pid 7706] <... futex resumed>) = 1 [pid 7697] <... futex resumed>) = 0 [pid 7696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7695] <... futex resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... close resumed>) = 0 [pid 7706] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7697] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7696] <... mmap resumed>) = 0x7f76a8b35000 [pid 7695] exit_group(0 [pid 5010] close(4 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7706] <... futex resumed>) = ? [pid 7699] <... futex resumed>) = ? [pid 7696] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7695] <... exit_group resumed>) = ? [pid 5010] <... close resumed>) = 0 ./strace-static-x86_64: Process 7707 attached [pid 7706] +++ exited with 0 +++ [pid 7699] +++ exited with 0 +++ [pid 7696] <... mprotect resumed>) = 0 [pid 5010] rmdir("./126/file0" [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7708 [pid 7707] set_robust_list(0x555556dec5e0, 24 [pid 7696] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7695] +++ exited with 0 +++ [pid 5010] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7708 attached [pid 7707] <... set_robust_list resumed>) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7695, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5010] getdents64(3, [pid 7707] chdir("./128" [pid 7696] <... clone resumed>, parent_tid=[7709], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7709 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7708] set_robust_list(0x555556dec5e0, 24 [pid 7707] <... chdir resumed>) = 0 [pid 7696] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] close(3 [pid 7708] <... set_robust_list resumed>) = 0 [pid 7707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7696] <... futex resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 7708] chdir("./126" [pid 7707] <... prctl resumed>) = 0 [pid 7696] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] rmdir("./126"./strace-static-x86_64: Process 7709 attached [pid 7708] <... chdir resumed>) = 0 [pid 7707] setpgid(0, 0 [pid 5010] <... rmdir resumed>) = 0 [pid 7709] set_robust_list(0x7f76a8b559e0, 24 [pid 7708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7707] <... setpgid resumed>) = 0 [pid 5011] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] mkdir("./127", 0777 [pid 7709] <... set_robust_list resumed>) = 0 [pid 7707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... mkdir resumed>) = 0 [pid 7708] <... prctl resumed>) = 0 [pid 7709] mkdir(".", 0777 [pid 7708] setpgid(0, 0 [pid 7707] <... openat resumed>) = 3 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7709] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7708] <... setpgid resumed>) = 0 [pid 7707] write(3, "1000", 4 [pid 5011] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... openat resumed>) = 3 [ 256.848469][ T7706] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7709] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7707] <... write resumed>) = 4 [pid 5011] <... openat resumed>) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 7708] <... openat resumed>) = 3 [pid 7707] close(3 [pid 5011] fstat(3, [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7708] write(3, "1000", 4 [pid 7707] <... close resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] close(3 [pid 7708] <... write resumed>) = 4 [pid 7707] symlink("/dev/binderfs", "./binderfs" [pid 5011] getdents64(3, [pid 5010] <... close resumed>) = 0 [pid 7708] close(3 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7708] <... close resumed>) = 0 [pid 5011] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7708] symlink("/dev/binderfs", "./binderfs" [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7708] <... symlink resumed>) = 0 [pid 5011] lstat("./126/binderfs", [pid 7708] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7708] <... futex resumed>) = 0 [pid 5011] unlink("./126/binderfs" [pid 7708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... unlink resumed>) = 0 [pid 7708] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7708] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7708] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7710], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7710 [pid 7708] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7708] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7710 attached [pid 7710] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7710] memfd_create("syzkaller", 0) = 3 [pid 7710] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7707] <... symlink resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7711 attached [pid 7709] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7707] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] set_robust_list(0x555556dec5e0, 24 [pid 7710] <... mmap resumed>) = 0x7f76a8756000 [pid 7709] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7707] <... futex resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7711 [pid 7711] <... set_robust_list resumed>) = 0 [pid 7709] <... futex resumed>) = 1 [pid 7707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7696] <... futex resumed>) = 0 [pid 7711] chdir("./127" [pid 7709] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7707] <... mmap resumed>) = 0x7f76b0b56000 [pid 7696] exit_group(0 [pid 7711] <... chdir resumed>) = 0 [pid 7709] <... futex resumed>) = ? [pid 7707] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7697] <... futex resumed>) = ? [pid 7696] <... exit_group resumed>) = ? [pid 7711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7709] +++ exited with 0 +++ [pid 7707] <... mprotect resumed>) = 0 [pid 7697] +++ exited with 0 +++ [pid 7711] <... prctl resumed>) = 0 [pid 7707] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7696] +++ exited with 0 +++ [pid 7711] setpgid(0, 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7696, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 7711] <... setpgid resumed>) = 0 [pid 7707] <... clone resumed>, parent_tid=[7712], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7712 [pid 7711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7707] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... openat resumed>) = 3 [pid 7707] <... futex resumed>) = 0 [pid 7711] write(3, "1000", 4 [pid 7707] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7711] <... write resumed>) = 4 [pid 5008] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7711] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7712 attached [pid 7711] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7711] symlink("/dev/binderfs", "./binderfs" [pid 7712] set_robust_list(0x7f76b0b769e0, 24 [pid 7711] <... symlink resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7711] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] <... set_robust_list resumed>) = 0 [pid 5008] fstat(3, [pid 7711] <... futex resumed>) = 0 [pid 7711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [ 256.905789][ T7709] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7711] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7711] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7712] memfd_create("syzkaller", 0 [pid 5008] getdents64(3, [pid 7711] <... clone resumed>, parent_tid=[7713], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7713 [pid 7712] <... memfd_create resumed>) = 3 [pid 7711] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7711] <... futex resumed>) = 0 [pid 7712] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7711] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7712] <... mmap resumed>) = 0x7f76a8756000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./125/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./125/binderfs") = 0 [pid 5008] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7713 attached [pid 7713] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7713] memfd_create("syzkaller", 0) = 3 [pid 7713] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7710] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./125/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7712] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./125/file0", 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, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./125/file0" [pid 5011] <... umount2 resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./125") = 0 [pid 5011] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] mkdir("./126", 0777 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... mkdir resumed>) = 0 [pid 7713] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5011] lstat("./126/file0", [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5011] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] openat(AT_FDCWD, "./126/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] close(3 [pid 5011] <... openat resumed>) = 4 [pid 5008] <... close resumed>) = 0 [pid 5011] fstat(4, [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7714 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./126/file0") = 0 ./strace-static-x86_64: Process 7714 attached [pid 5011] getdents64(3, [pid 7714] set_robust_list(0x555556dec5e0, 24 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7714] <... set_robust_list resumed>) = 0 [pid 5011] close(3 [pid 7714] chdir("./126" [pid 5011] <... close resumed>) = 0 [pid 7714] <... chdir resumed>) = 0 [pid 5011] rmdir("./126" [pid 7714] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] <... rmdir resumed>) = 0 [pid 7714] <... prctl resumed>) = 0 [pid 5011] mkdir("./127", 0777 [pid 7714] setpgid(0, 0 [pid 5011] <... mkdir resumed>) = 0 [pid 7714] <... setpgid resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] <... openat resumed>) = 3 [pid 7714] <... openat resumed>) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7714] write(3, "1000", 4 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7714] <... write resumed>) = 4 [pid 5011] close(3 [pid 7714] close(3 [pid 5011] <... close resumed>) = 0 [pid 7714] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7714] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7715 [pid 7714] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7714] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7714] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7716], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7716 [pid 7714] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7714] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7715 attached [pid 7710] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 7716 attached [pid 7715] set_robust_list(0x555556dec5e0, 24 [pid 7716] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7716] memfd_create("syzkaller", 0) = 3 [pid 7716] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7715] <... set_robust_list resumed>) = 0 [pid 7713] <... write resumed>) = 4194304 [pid 7712] <... write resumed>) = 4194304 [pid 7710] munmap(0x7f76a8756000, 4194304 [pid 7715] chdir("./127" [pid 7712] munmap(0x7f76a8756000, 4194304 [pid 7710] <... munmap resumed>) = 0 [pid 7715] <... chdir resumed>) = 0 [pid 7712] <... munmap resumed>) = 0 [pid 7710] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7710] <... openat resumed>) = 4 [pid 7715] <... prctl resumed>) = 0 [pid 7710] ioctl(4, LOOP_SET_FD, 3 [pid 7715] setpgid(0, 0) = 0 [pid 7715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7712] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7715] <... openat resumed>) = 3 [pid 7715] write(3, "1000", 4 [pid 7712] <... openat resumed>) = 4 [pid 7715] <... write resumed>) = 4 [pid 7715] close(3 [pid 7712] ioctl(4, LOOP_SET_FD, 3 [pid 7715] <... close resumed>) = 0 [pid 7715] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7715] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7710] <... ioctl resumed>) = 0 [pid 7715] <... futex resumed>) = 0 [pid 7715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7710] close(3 [pid 7715] <... mmap resumed>) = 0x7f76b0b56000 [pid 7715] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7710] <... close resumed>) = 0 [pid 7715] <... mprotect resumed>) = 0 [pid 7715] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7710] mkdir("./file0", 0777 [pid 7715] <... clone resumed>, parent_tid=[7717], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7717 [pid 7710] <... mkdir resumed>) = 0 [pid 7716] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7715] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7713] munmap(0x7f76a8756000, 4194304 [pid 7715] <... futex resumed>) = 0 [pid 7710] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7715] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7713] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7717 attached [pid 7713] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7713] ioctl(4, LOOP_SET_FD, 3 [pid 7712] <... ioctl resumed>) = 0 [pid 7712] close(3) = 0 [pid 7712] mkdir("./file0", 0777) = 0 [pid 7712] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7713] <... ioctl resumed>) = 0 [pid 7713] close(3) = 0 [pid 7713] mkdir("./file0", 0777) = 0 [pid 7713] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7717] set_robust_list(0x7f76b0b769e0, 24) = 0 [ 257.232793][ T7710] loop1: detected capacity change from 0 to 8192 [ 257.242370][ T7712] loop4: detected capacity change from 0 to 8192 [ 257.260820][ T7713] loop2: detected capacity change from 0 to 8192 [ 257.261809][ T7710] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7717] memfd_create("syzkaller", 0) = 3 [pid 7717] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 257.284712][ T7710] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 257.296102][ T7712] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 257.297196][ T7710] REISERFS (device loop1): using ordered data mode [ 257.309308][ T7713] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 257.328727][ T7710] reiserfs: using flush barriers [pid 7716] <... write resumed>) = 4194304 [ 257.345315][ T7712] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 257.355065][ T7712] REISERFS (device loop4): using ordered data mode [ 257.355156][ T7710] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 257.368676][ T7713] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 257.386035][ T7710] REISERFS (device loop1): checking transaction log (loop1) [ 257.387768][ T7712] reiserfs: using flush barriers [ 257.403092][ T7716] loop0: detected capacity change from 0 to 8192 [ 257.406807][ T7710] REISERFS (device loop1): Using r5 hash to sort names [ 257.414436][ T7713] REISERFS (device loop2): using ordered data mode [ 257.417233][ T7716] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7717] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7716] munmap(0x7f76a8756000, 4194304) = 0 [pid 7716] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7716] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7716] close(3) = 0 [pid 7716] mkdir("./file0", 0777) = 0 [ 257.423496][ T7712] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 257.452633][ T7713] reiserfs: using flush barriers [ 257.459594][ T7710] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 257.459644][ T7713] 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 7716] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7710] <... mount resumed>) = 0 [pid 7710] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7710] chdir("./file0") = 0 [ 257.472394][ T7710] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 257.498424][ T7716] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 257.508147][ T7716] REISERFS (device loop0): using ordered data mode [ 257.515046][ T7716] reiserfs: using flush barriers [ 257.522196][ T7712] REISERFS (device loop4): checking transaction log (loop4) [ 257.523490][ T7716] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7710] ioctl(4, LOOP_CLR_FD) = 0 [ 257.530323][ T7713] REISERFS (device loop2): checking transaction log (loop2) [ 257.555852][ T7713] REISERFS (device loop2): Using r5 hash to sort names [ 257.563014][ T7713] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 257.565326][ T7712] REISERFS (device loop4): Using r5 hash to sort names [ 257.577557][ T7713] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7710] close(4 [pid 7717] <... write resumed>) = 4194304 [pid 7710] <... close resumed>) = 0 [pid 7717] munmap(0x7f76a8756000, 4194304 [pid 7710] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7708] <... futex resumed>) = 0 [pid 7717] <... munmap resumed>) = 0 [pid 7708] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7710] mkdir("./file1", 000 [pid 7717] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7713] <... mount resumed>) = 0 [pid 7712] <... mount resumed>) = 0 [pid 7710] <... mkdir resumed>) = 0 [pid 7708] <... futex resumed>) = 0 [pid 7717] <... openat resumed>) = 4 [pid 7713] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7712] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7710] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7708] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7717] ioctl(4, LOOP_SET_FD, 3 [pid 7713] <... openat resumed>) = 3 [pid 7712] <... openat resumed>) = 3 [pid 7708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7712] chdir("./file0" [pid 7710] <... futex resumed>) = 0 [ 257.583464][ T7712] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 257.594680][ T7716] REISERFS (device loop0): checking transaction log (loop0) [ 257.611979][ T7712] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 257.629638][ T7716] REISERFS (device loop0): Using r5 hash to sort names [ 257.636931][ T7717] loop3: detected capacity change from 0 to 8192 [pid 7708] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7717] <... ioctl resumed>) = 0 [pid 7713] chdir("./file0" [pid 7712] <... chdir resumed>) = 0 [pid 7710] mkdir("./bus", 000 [pid 7708] <... futex resumed>) = 0 [pid 7717] close(3 [pid 7713] <... chdir resumed>) = 0 [pid 7712] ioctl(4, LOOP_CLR_FD [pid 7708] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7717] <... close resumed>) = 0 [pid 7713] ioctl(4, LOOP_CLR_FD [pid 7712] <... ioctl resumed>) = 0 [pid 7710] <... mkdir resumed>) = 0 [pid 7717] mkdir("./file0", 0777 [pid 7716] <... mount resumed>) = 0 [pid 7713] <... ioctl resumed>) = 0 [pid 7712] close(4 [pid 7710] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7717] <... mkdir resumed>) = 0 [pid 7716] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7713] close(4 [pid 7712] <... close resumed>) = 0 [pid 7710] <... futex resumed>) = 1 [pid 7708] <... futex resumed>) = 0 [pid 7717] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7716] <... openat resumed>) = 3 [pid 7713] <... close resumed>) = 0 [pid 7712] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7710] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7708] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] chdir("./file0" [pid 7713] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] <... futex resumed>) = 1 [pid 7710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7708] <... futex resumed>) = 0 [pid 7707] <... futex resumed>) = 0 [pid 7716] <... chdir resumed>) = 0 [pid 7713] <... futex resumed>) = 1 [pid 7712] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7711] <... futex resumed>) = 0 [pid 7710] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 257.644028][ T7716] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 257.657891][ T7716] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 257.679314][ T7710] overlayfs: upper fs needs to support d_type. [pid 7708] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7707] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] ioctl(4, LOOP_CLR_FD [pid 7713] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7711] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7707] <... futex resumed>) = 0 [pid 7716] <... ioctl resumed>) = 0 [pid 7713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7712] mkdir("./file1", 000 [pid 7711] <... futex resumed>) = 0 [pid 7707] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7716] close(4 [pid 7713] mkdir("./file1", 000 [pid 7712] <... mkdir resumed>) = 0 [pid 7711] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7716] <... close resumed>) = 0 [pid 7713] <... mkdir resumed>) = 0 [pid 7712] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7713] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] <... futex resumed>) = 1 [pid 7707] <... futex resumed>) = 0 [ 257.686164][ T7717] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7716] <... futex resumed>) = 1 [pid 7714] <... futex resumed>) = 0 [pid 7713] <... futex resumed>) = 1 [pid 7712] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7711] <... futex resumed>) = 0 [pid 7707] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7707] <... futex resumed>) = 0 [pid 7712] mkdir("./bus", 000 [pid 7707] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7716] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7714] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7713] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7712] <... mkdir resumed>) = 0 [pid 7711] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7714] <... futex resumed>) = 0 [pid 7713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7712] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... futex resumed>) = 0 [pid 7716] mkdir("./file1", 000 [pid 7714] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7713] mkdir("./bus", 000 [pid 7712] <... futex resumed>) = 1 [pid 7711] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7707] <... futex resumed>) = 0 [pid 7716] <... mkdir resumed>) = 0 [pid 7713] <... mkdir resumed>) = 0 [pid 7712] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7707] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7713] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7707] <... futex resumed>) = 0 [pid 7712] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7707] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7716] <... futex resumed>) = 1 [pid 7714] <... futex resumed>) = 0 [pid 7713] <... futex resumed>) = 1 [pid 7711] <... futex resumed>) = 0 [pid 7708] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7716] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7714] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7713] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7711] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7708] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7714] <... futex resumed>) = 0 [pid 7713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7711] <... futex resumed>) = 0 [pid 7708] <... futex resumed>) = 0 [pid 7716] mkdir("./bus", 000 [pid 7714] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 257.717795][ T7710] overlayfs: upper fs does not support tmpfile. [ 257.732574][ T7710] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 257.738048][ T7717] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 257.749663][ T7712] overlayfs: upper fs needs to support d_type. [ 257.758722][ T7712] overlayfs: upper fs does not support tmpfile. [pid 7713] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7711] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7716] <... mkdir resumed>) = 0 [pid 7708] <... mmap resumed>) = 0x7f76a8b35000 [pid 7716] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7708] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7716] <... futex resumed>) = 1 [pid 7714] <... futex resumed>) = 0 [pid 7708] <... mprotect resumed>) = 0 [pid 7716] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7714] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7708] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7714] <... futex resumed>) = 0 [pid 7716] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7714] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7708] <... clone resumed>, parent_tid=[7723], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7723 [pid 7708] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7707] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7708] <... futex resumed>) = 0 [pid 7708] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7712] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 257.760616][ T7713] overlayfs: upper fs needs to support d_type. [ 257.766712][ T7712] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 257.777192][ T7716] overlayfs: upper fs needs to support d_type. [ 257.781316][ T7712] overlayfs: failed to resolve './file0': -2 [ 257.784291][ T7716] overlayfs: upper fs does not support tmpfile. [ 257.792304][ T7710] overlayfs: failed to resolve './file0': -2 [pid 7707] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7707] <... futex resumed>) = 0 [pid 7711] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7711] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7711] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7724], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7724 [pid 7711] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7711] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7723 attached [pid 7723] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7723] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7723] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7712] <... futex resumed>) = 0 [pid 7707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7724 attached [pid 7724] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7724] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7724] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7714] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7714] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7714] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7714] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7725], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7725 [pid 7714] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 257.823220][ T7717] REISERFS (device loop3): using ordered data mode [ 257.829872][ T7717] reiserfs: using flush barriers [ 257.841159][ T7713] overlayfs: upper fs does not support tmpfile. [ 257.841208][ T7717] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7714] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7712] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7710] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7707] <... mmap resumed>) = 0x7f76a8b35000 [pid 7710] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7707] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7710] <... futex resumed>) = 0 [pid 7707] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7725 attached [pid 7725] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7725] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7725] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7710] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 257.857234][ T7723] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 257.866153][ T7717] REISERFS (device loop3): checking transaction log (loop3) [ 257.887820][ T7717] REISERFS (device loop3): Using r5 hash to sort names [ 257.894947][ T7717] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 257.897365][ T7724] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7707] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7726], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7726 ./strace-static-x86_64: Process 7726 attached [pid 7724] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7723] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7717] <... mount resumed>) = 0 [pid 7707] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7726] set_robust_list(0x7f76a8b559e0, 24 [pid 7723] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7717] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7707] <... futex resumed>) = 0 [pid 7726] <... set_robust_list resumed>) = 0 [pid 7723] <... futex resumed>) = 1 [pid 7717] <... openat resumed>) = 3 [pid 7707] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7723] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7717] chdir("./file0" [pid 7726] mkdir(".", 0777 [pid 7717] <... chdir resumed>) = 0 [pid 7708] <... futex resumed>) = 0 [pid 7717] ioctl(4, LOOP_CLR_FD) = 0 [pid 7717] close(4) = 0 [pid 7708] exit_group(0 [pid 7726] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7717] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7717] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7726] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7723] <... futex resumed>) = ? [pid 7715] <... futex resumed>) = 0 [pid 7710] <... futex resumed>) = ? [pid 7708] <... exit_group resumed>) = ? [pid 7723] +++ exited with 0 +++ [pid 7710] +++ exited with 0 +++ [pid 7715] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7708] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7708, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 7717] <... futex resumed>) = 0 [pid 7715] <... futex resumed>) = 1 [pid 7717] mkdir("./file1", 000 [pid 7715] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7717] <... mkdir resumed>) = 0 [pid 7717] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 257.923644][ T7717] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 257.928207][ T7716] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 257.944597][ T7713] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 257.946330][ T7725] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 257.963583][ T7713] overlayfs: failed to resolve './file0': -2 [pid 5009] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7717] <... futex resumed>) = 1 [pid 7715] <... futex resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7717] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7715] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7715] <... futex resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 7717] mkdir("./bus", 000 [pid 7715] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] fstat(3, [pid 7717] <... mkdir resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7717] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] getdents64(3, [pid 7717] <... futex resumed>) = 1 [pid 7715] <... futex resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7717] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7715] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7715] <... futex resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7717] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7715] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] lstat("./126/binderfs", [pid 7724] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7724] <... futex resumed>) = 1 [pid 7711] <... futex resumed>) = 0 [pid 5009] unlink("./126/binderfs" [pid 7724] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7726] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7725] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7726] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7725] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7726] <... futex resumed>) = 1 [pid 7725] <... futex resumed>) = 1 [pid 7714] <... futex resumed>) = 0 [pid 7707] <... futex resumed>) = 0 [ 257.976616][ T7726] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 257.985696][ T7717] overlayfs: upper fs needs to support d_type. [ 258.004783][ T7716] overlayfs: failed to resolve './file0': -2 [ 258.012138][ T7717] overlayfs: upper fs does not support tmpfile. [pid 7726] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7725] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7707] exit_group(0 [pid 5009] <... unlink resumed>) = 0 [pid 7712] <... futex resumed>) = ? [pid 7707] <... exit_group resumed>) = ? [pid 5009] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7726] <... futex resumed>) = ? [pid 7712] +++ exited with 0 +++ [pid 7726] +++ exited with 0 +++ [pid 7716] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7707] +++ exited with 0 +++ [pid 7716] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7716] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7707, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7714] exit_group(0 [pid 7725] <... futex resumed>) = ? [pid 7716] <... futex resumed>) = ? [pid 7714] <... exit_group resumed>) = ? [pid 7725] +++ exited with 0 +++ [pid 7716] +++ exited with 0 +++ [pid 7714] +++ exited with 0 +++ [pid 7713] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7715] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 258.022941][ T7717] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7713] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7714, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7715] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] exit_group(0 [pid 7724] <... futex resumed>) = ? [pid 7711] <... exit_group resumed>) = ? [pid 7724] +++ exited with 0 +++ [pid 7715] <... futex resumed>) = 0 [pid 7713] <... futex resumed>) = ? [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 7715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7713] +++ exited with 0 +++ [pid 7711] +++ exited with 0 +++ [pid 7715] <... mmap resumed>) = 0x7f76a8b35000 [pid 5012] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7711, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5008] <... restart_syscall resumed>) = 0 [pid 7715] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7715] <... mprotect resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 7715] clone(child_stack=0x7f76a8b553f0, 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 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] getdents64(3, [pid 5008] <... openat resumed>) = 3 [pid 7715] <... clone resumed>, parent_tid=[7727], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7727 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7715] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] fstat(3, [pid 5010] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7715] <... futex resumed>) = 0 [pid 5012] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7715] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... openat resumed>) = 3 [pid 5012] lstat("./128/binderfs", [pid 5010] fstat(3, [pid 5008] getdents64(3, [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] unlink("./128/binderfs" [pid 5010] getdents64(3, [pid 5008] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... unlink resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./126/binderfs", [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7727 attached [pid 5010] lstat("./127/binderfs", [pid 5008] unlink("./126/binderfs" [pid 7727] set_robust_list(0x7f76a8b559e0, 24 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./127/binderfs" [pid 7727] <... set_robust_list resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 7727] mkdir(".", 0777 [pid 5010] <... unlink resumed>) = 0 [pid 5008] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7727] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5010] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 258.048669][ T7717] overlayfs: failed to resolve './file0': -2 [pid 7727] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7717] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7717] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7717] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7727] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7727] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7727] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7715] <... futex resumed>) = 0 [pid 7715] exit_group(0 [pid 7727] <... futex resumed>) = ? [pid 7717] <... futex resumed>) = ? [pid 7715] <... exit_group resumed>) = ? [pid 7727] +++ exited with 0 +++ [pid 7717] +++ exited with 0 +++ [pid 7715] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7715, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 5011] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./127/binderfs") = 0 [pid 5011] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = 0 [pid 5009] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./126/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./126/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [ 258.092726][ T7727] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./126/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./126") = 0 [pid 5009] mkdir("./127", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7728 ./strace-static-x86_64: Process 7728 attached [pid 7728] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7728] chdir("./127") = 0 [pid 7728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7728] setpgid(0, 0) = 0 [pid 7728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7728] write(3, "1000", 4) = 4 [pid 7728] close(3) = 0 [pid 7728] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7728] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7728] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7728] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7729], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7729 [pid 7728] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7728] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7729 attached [pid 7729] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7729] memfd_create("syzkaller", 0) = 3 [pid 7729] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./127/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./127/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] <... openat resumed>) = 4 [pid 5012] lstat("./128/file0", [pid 5011] fstat(4, [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] getdents64(4, [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] openat(AT_FDCWD, "./128/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] getdents64(4, [pid 5012] <... openat resumed>) = 4 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] fstat(4, [pid 5011] close(4 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... close resumed>) = 0 [pid 5012] getdents64(4, [pid 5011] rmdir("./127/file0" [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, [pid 5011] <... rmdir resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] getdents64(3, [pid 5012] close(4 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5011] close(3 [pid 5008] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] rmdir("./128/file0" [pid 5011] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... rmdir resumed>) = 0 [pid 5011] rmdir("./127" [pid 5008] lstat("./126/file0", [pid 5012] getdents64(3, [pid 5011] <... rmdir resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] mkdir("./128", 0777 [pid 5008] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] close(3 [pid 5011] <... mkdir resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] rmdir("./128" [pid 5011] <... openat resumed>) = 3 [pid 5008] openat(AT_FDCWD, "./126/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... rmdir resumed>) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5012] mkdir("./129", 0777 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] <... umount2 resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 5012] <... mkdir resumed>) = 0 [pid 5011] close(3 [pid 5010] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] fstat(4, [pid 7729] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] lstat("./127/file0", [pid 5008] getdents64(4, ./strace-static-x86_64: Process 7730 attached [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7730] set_robust_list(0x555556dec5e0, 24 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7730 [pid 5010] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(4, [pid 7730] <... set_robust_list resumed>) = 0 [pid 5012] close(3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7730] chdir("./128" [pid 5012] <... close resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./127/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7730] <... chdir resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] <... openat resumed>) = 4 [pid 5008] close(4 [pid 7730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7730] setpgid(0, 0 [pid 5010] fstat(4, [pid 7730] <... setpgid resumed>) = 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7731 [pid 5008] <... close resumed>) = 0 [pid 7730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7730] <... openat resumed>) = 3 [pid 5010] getdents64(4, [pid 5008] rmdir("./126/file0"./strace-static-x86_64: Process 7731 attached [pid 7730] write(3, "1000", 4 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7731] set_robust_list(0x555556dec5e0, 24 [pid 5008] <... rmdir resumed>) = 0 [pid 7731] <... set_robust_list resumed>) = 0 [pid 5010] getdents64(4, [pid 5008] getdents64(3, [pid 7731] chdir("./129" [pid 7730] <... write resumed>) = 4 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7731] <... chdir resumed>) = 0 [pid 5010] close(4 [pid 5008] close(3 [pid 7731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5010] rmdir("./127/file0" [pid 5008] rmdir("./126" [pid 7731] <... prctl resumed>) = 0 [pid 7730] close(3 [pid 5010] <... rmdir resumed>) = 0 [pid 7730] <... close resumed>) = 0 [pid 7730] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... rmdir resumed>) = 0 [pid 7731] setpgid(0, 0 [pid 7730] <... symlink resumed>) = 0 [pid 5010] getdents64(3, [pid 5008] mkdir("./127", 0777 [pid 7731] <... setpgid resumed>) = 0 [pid 7730] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7730] <... futex resumed>) = 0 [pid 5010] close(3 [pid 5008] <... mkdir resumed>) = 0 [pid 7731] <... openat resumed>) = 3 [pid 7730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... close resumed>) = 0 [pid 7731] write(3, "1000", 4 [pid 7730] <... mmap resumed>) = 0x7f76b0b56000 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7731] <... write resumed>) = 4 [pid 7730] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5010] rmdir("./127" [pid 7731] close(3 [pid 7730] <... mprotect resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7731] <... close resumed>) = 0 [pid 7730] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... rmdir resumed>) = 0 [pid 7731] symlink("/dev/binderfs", "./binderfs" [pid 5010] mkdir("./128", 0777 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7731] <... symlink resumed>) = 0 [pid 7730] <... clone resumed>, parent_tid=[7732], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7732 [pid 7730] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... mkdir resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7731] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7730] <... futex resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] close(3./strace-static-x86_64: Process 7732 attached [pid 7731] <... futex resumed>) = 0 [pid 7730] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] <... openat resumed>) = 3 [pid 7732] set_robust_list(0x7f76b0b769e0, 24 [pid 7731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7729] <... write resumed>) = 4194304 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5008] <... close resumed>) = 0 [pid 7732] <... set_robust_list resumed>) = 0 [pid 7731] <... mmap resumed>) = 0x7f76b0b56000 [pid 7729] munmap(0x7f76a8756000, 4194304 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7732] memfd_create("syzkaller", 0 [pid 7731] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7729] <... munmap resumed>) = 0 [pid 5010] close(3 [pid 7731] <... mprotect resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 7731] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7733 [pid 7732] <... memfd_create resumed>) = 3 [pid 7731] <... clone resumed>, parent_tid=[7734], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7734 ./strace-static-x86_64: Process 7734 attached [pid 7732] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7731] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7729] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7735 ./strace-static-x86_64: Process 7733 attached [pid 7734] set_robust_list(0x7f76b0b769e0, 24 [pid 7732] <... mmap resumed>) = 0x7f76a8756000 [pid 7731] <... futex resumed>) = 0 [pid 7729] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7735 attached [pid 7735] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7731] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7735] chdir("./128" [pid 7729] ioctl(4, LOOP_SET_FD, 3 [pid 7735] <... chdir resumed>) = 0 [pid 7735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7735] setpgid(0, 0) = 0 [pid 7735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7735] write(3, "1000", 4) = 4 [pid 7735] close(3) = 0 [pid 7735] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7735] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7734] <... set_robust_list resumed>) = 0 [pid 7735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7734] memfd_create("syzkaller", 0 [pid 7733] set_robust_list(0x555556dec5e0, 24 [pid 7735] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7734] <... memfd_create resumed>) = 3 [pid 7733] <... set_robust_list resumed>) = 0 [pid 7735] <... mprotect resumed>) = 0 [pid 7734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7733] chdir("./127" [pid 7735] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7734] <... mmap resumed>) = 0x7f76a8756000 [pid 7733] <... chdir resumed>) = 0 [pid 7735] <... clone resumed>, parent_tid=[7736], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7736 [pid 7733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7735] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7733] <... prctl resumed>) = 0 [pid 7735] <... futex resumed>) = 0 [pid 7733] setpgid(0, 0 [pid 7735] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7733] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 7736 attached [pid 7733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7733] write(3, "1000", 4) = 4 [pid 7733] close(3 [pid 7736] set_robust_list(0x7f76b0b769e0, 24 [pid 7729] <... ioctl resumed>) = 0 [pid 7736] <... set_robust_list resumed>) = 0 [pid 7733] <... close resumed>) = 0 [pid 7729] close(3 [pid 7736] memfd_create("syzkaller", 0 [pid 7733] symlink("/dev/binderfs", "./binderfs" [pid 7729] <... close resumed>) = 0 [pid 7736] <... memfd_create resumed>) = 3 [pid 7733] <... symlink resumed>) = 0 [pid 7729] mkdir("./file0", 0777 [pid 7736] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7733] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7729] <... mkdir resumed>) = 0 [pid 7736] <... mmap resumed>) = 0x7f76a8756000 [pid 7733] <... futex resumed>) = 0 [pid 7729] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [ 258.449123][ T7729] loop1: detected capacity change from 0 to 8192 [pid 7733] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7733] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7738], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7738 [pid 7733] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7733] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7738 attached [pid 7738] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7738] memfd_create("syzkaller", 0) = 3 [pid 7738] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 258.497985][ T7729] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.538004][ T7729] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7736] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7732] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7734] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7736] <... write resumed>) = 4194304 [pid 7736] munmap(0x7f76a8756000, 4194304) = 0 [pid 7736] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 258.547726][ T7729] REISERFS (device loop1): using ordered data mode [ 258.565484][ T7729] reiserfs: using flush barriers [ 258.576684][ T7729] 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 7736] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7736] close(3) = 0 [pid 7738] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7736] mkdir("./file0", 0777) = 0 [pid 7736] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7734] <... write resumed>) = 4194304 [ 258.626711][ T7736] loop2: detected capacity change from 0 to 8192 [ 258.665899][ T7729] REISERFS (device loop1): checking transaction log (loop1) [pid 7734] munmap(0x7f76a8756000, 4194304) = 0 [pid 7734] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 258.677949][ T7736] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.691274][ T7729] REISERFS (device loop1): Using r5 hash to sort names [ 258.700236][ T7736] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 258.710493][ T7734] loop4: detected capacity change from 0 to 8192 [pid 7734] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7734] close(3) = 0 [pid 7734] mkdir("./file0", 0777) = 0 [pid 7732] <... write resumed>) = 4194304 [pid 7734] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 258.710916][ T7729] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 258.735652][ T7736] REISERFS (device loop2): using ordered data mode [ 258.744600][ T7736] reiserfs: using flush barriers [ 258.752692][ T7734] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.755161][ T7729] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7732] munmap(0x7f76a8756000, 4194304 [pid 7738] <... write resumed>) = 4194304 [pid 7732] <... munmap resumed>) = 0 [pid 7738] munmap(0x7f76a8756000, 4194304 [pid 7732] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7729] <... mount resumed>) = 0 [pid 7738] <... munmap resumed>) = 0 [pid 7732] <... openat resumed>) = 4 [pid 7729] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7738] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7732] ioctl(4, LOOP_SET_FD, 3 [pid 7729] <... openat resumed>) = 3 [pid 7738] <... openat resumed>) = 4 [ 258.774784][ T7734] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 258.775502][ T7736] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 258.784928][ T7734] REISERFS (device loop4): using ordered data mode [ 258.800751][ T7736] REISERFS (device loop2): checking transaction log (loop2) [ 258.814819][ T7734] reiserfs: using flush barriers [ 258.817626][ T7732] loop3: detected capacity change from 0 to 8192 [pid 7738] ioctl(4, LOOP_SET_FD, 3 [pid 7732] <... ioctl resumed>) = 0 [ 258.823147][ T7736] REISERFS (device loop2): Using r5 hash to sort names [ 258.827215][ T7734] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 258.833482][ T7736] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 258.850000][ T7734] REISERFS (device loop4): checking transaction log (loop4) [pid 7729] chdir("./file0" [pid 7736] <... mount resumed>) = 0 [pid 7736] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7736] chdir("./file0") = 0 [pid 7736] ioctl(4, LOOP_CLR_FD) = 0 [pid 7736] close(4 [pid 7732] close(3 [pid 7729] <... chdir resumed>) = 0 [pid 7732] <... close resumed>) = 0 [pid 7729] ioctl(4, LOOP_CLR_FD [pid 7732] mkdir("./file0", 0777 [pid 7729] <... ioctl resumed>) = 0 [pid 7732] <... mkdir resumed>) = 0 [pid 7729] close(4 [pid 7732] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7729] <... close resumed>) = 0 [pid 7729] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7728] <... futex resumed>) = 0 [pid 7728] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7729] mkdir("./file1", 000 [pid 7728] <... futex resumed>) = 0 [pid 7728] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7729] <... mkdir resumed>) = 0 [pid 7729] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7728] <... futex resumed>) = 0 [pid 7728] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7729] mkdir("./bus", 000 [pid 7728] <... futex resumed>) = 0 [pid 7738] <... ioctl resumed>) = 0 [pid 7736] <... close resumed>) = 0 [pid 7729] <... mkdir resumed>) = 0 [pid 7728] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7738] close(3 [pid 7736] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7729] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7738] <... close resumed>) = 0 [pid 7736] <... futex resumed>) = 1 [pid 7735] <... futex resumed>) = 0 [pid 7729] <... futex resumed>) = 0 [ 258.870280][ T7736] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 258.870975][ T7738] loop0: detected capacity change from 0 to 8192 [ 258.897262][ T7732] REISERFS warning: read_super_block: Using r5 hash to sort names [ 258.897262][ T7732] [ 258.897264][ T7734] REISERFS (device loop4): Using r5 hash to sort names [ 258.897293][ T7732] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7738] mkdir("./file0", 0777 [pid 7736] mkdir("./file1", 000 [pid 7735] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7729] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7728] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7738] <... mkdir resumed>) = 0 [pid 7736] <... mkdir resumed>) = 0 [pid 7735] <... futex resumed>) = 0 [pid 7728] <... futex resumed>) = 0 [pid 7738] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7736] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7735] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7728] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7736] <... futex resumed>) = 0 [pid 7735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 258.925597][ T7732] REISERFS (device loop3): using ordered data mode [ 258.927867][ T7734] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 258.934752][ T7732] reiserfs: using flush barriers [ 258.953486][ T7729] overlayfs: upper fs needs to support d_type. [ 258.965628][ T7734] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7736] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7735] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7734] <... mount resumed>) = 0 [pid 7736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7735] <... futex resumed>) = 0 [pid 7736] mkdir("./bus", 000 [pid 7735] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7736] <... mkdir resumed>) = 0 [pid 7736] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7735] <... futex resumed>) = 0 [pid 7736] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7735] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7734] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 258.966510][ T7738] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.981325][ T7729] overlayfs: upper fs does not support tmpfile. [ 258.995150][ T7729] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 259.004360][ T7729] overlayfs: failed to resolve './file0': -2 [ 259.017202][ T7736] overlayfs: upper fs needs to support d_type. [pid 7735] <... futex resumed>) = 0 [pid 7736] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7735] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7734] <... openat resumed>) = 3 [pid 7728] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7728] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7728] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7734] chdir("./file0" [pid 7728] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7734] <... chdir resumed>) = 0 [pid 7729] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7728] <... clone resumed>, parent_tid=[7743], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7743 [pid 7728] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7728] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7743 attached [ 259.023544][ T7736] overlayfs: upper fs does not support tmpfile. [ 259.024204][ T7738] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 259.040247][ T7732] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 259.057853][ T7738] REISERFS (device loop0): using ordered data mode [ 259.065039][ T7738] reiserfs: using flush barriers [ 259.065936][ T7732] REISERFS (device loop3): checking transaction log (loop3) [pid 7743] set_robust_list(0x7f76a8b559e0, 24 [pid 7735] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7734] ioctl(4, LOOP_CLR_FD [pid 7729] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7743] <... set_robust_list resumed>) = 0 [pid 7735] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7743] mkdir(".", 0777 [pid 7735] <... futex resumed>) = 0 [pid 7743] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7734] <... ioctl resumed>) = 0 [pid 7729] <... futex resumed>) = 0 [pid 7743] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7735] <... mmap resumed>) = 0x7f76a8b35000 [pid 7735] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7734] close(4 [ 259.072043][ T7736] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 259.078271][ T7738] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 259.086209][ T7736] overlayfs: failed to resolve './file0': -2 [ 259.121857][ T7738] REISERFS (device loop0): checking transaction log (loop0) [pid 7729] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7736] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7735] <... mprotect resumed>) = 0 [pid 7734] <... close resumed>) = 0 [pid 7736] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7734] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7736] <... futex resumed>) = 0 [pid 7734] <... futex resumed>) = 1 [pid 7731] <... futex resumed>) = 0 [pid 7736] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7734] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7731] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7731] <... futex resumed>) = 0 [pid 7734] mkdir("./file1", 000 [pid 7731] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7734] <... mkdir resumed>) = 0 [pid 7734] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7731] <... futex resumed>) = 0 [pid 7734] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7731] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7731] <... futex resumed>) = 0 [pid 7734] mkdir("./bus", 000 [pid 7731] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7734] <... mkdir resumed>) = 0 [pid 7734] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7731] <... futex resumed>) = 0 [pid 7734] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7731] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7731] <... futex resumed>) = 0 [pid 7734] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7731] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7735] clone(child_stack=0x7f76a8b553f0, 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 7744 attached [pid 7744] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7744] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7743] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7743] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7743] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7735] <... clone resumed>, parent_tid=[7744], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7744 [pid 7735] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7744] <... futex resumed>) = 0 [pid 7735] <... futex resumed>) = 1 [pid 7744] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7735] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7744] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7728] <... futex resumed>) = 0 [pid 7728] exit_group(0) = ? [ 259.130418][ T7743] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 259.146653][ T7734] overlayfs: upper fs needs to support d_type. [ 259.151326][ T7732] REISERFS (device loop3): Using r5 hash to sort names [ 259.152915][ T7734] overlayfs: upper fs does not support tmpfile. [ 259.160254][ T7732] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7743] <... futex resumed>) = ? [pid 7731] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7729] <... futex resumed>) = ? [pid 7743] +++ exited with 0 +++ [pid 7731] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7729] +++ exited with 0 +++ [pid 7728] +++ exited with 0 +++ [pid 7731] <... futex resumed>) = 0 [pid 7731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7731] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7731] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7745], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7745 [pid 7731] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7731] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7745 attached [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7728, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5009] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7745] set_robust_list(0x7f76a8b559e0, 24 [pid 5009] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./127/binderfs" [pid 7745] <... set_robust_list resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5009] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7745] mkdir(".", 0777 [pid 7744] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7745] <... mkdir resumed>) = -1 EEXIST (File exists) [ 259.183229][ T7738] REISERFS (device loop0): Using r5 hash to sort names [ 259.188122][ T7744] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 259.200756][ T7738] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7745] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7744] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7735] <... futex resumed>) = 0 [pid 7744] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7735] exit_group(0 [pid 7744] <... futex resumed>) = ? [pid 7736] <... futex resumed>) = ? [pid 7735] <... exit_group resumed>) = ? [pid 7744] +++ exited with 0 +++ [pid 7736] +++ exited with 0 +++ [pid 7735] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7735, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5010] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, [pid 7745] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7732] <... mount resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7745] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7732] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5010] lstat("./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./128/binderfs" [pid 7745] <... futex resumed>) = 1 [pid 7731] <... futex resumed>) = 0 [ 259.237468][ T7745] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 259.249525][ T7732] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 259.252747][ T7738] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 259.280638][ T7734] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5010] <... unlink resumed>) = 0 [pid 7745] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7732] <... openat resumed>) = 3 [pid 5010] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7732] chdir("./file0") = 0 [pid 7732] ioctl(4, LOOP_CLR_FD [pid 7738] <... mount resumed>) = 0 [pid 7738] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7734] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7732] <... ioctl resumed>) = 0 [pid 7732] close(4) = 0 [pid 7738] <... openat resumed>) = 3 [pid 7734] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7738] chdir("./file0" [pid 7734] <... futex resumed>) = 0 [pid 7738] <... chdir resumed>) = 0 [pid 7734] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7738] ioctl(4, LOOP_CLR_FD [pid 7731] exit_group(0 [pid 7745] <... futex resumed>) = ? [pid 7738] <... ioctl resumed>) = 0 [pid 7734] <... futex resumed>) = ? [pid 7732] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7731] <... exit_group resumed>) = ? [pid 7732] <... futex resumed>) = 1 [pid 7730] <... futex resumed>) = 0 [pid 7732] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7730] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7730] <... futex resumed>) = 0 [pid 7732] mkdir("./file1", 000 [pid 7730] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7745] +++ exited with 0 +++ [pid 7738] close(4 [pid 7734] +++ exited with 0 +++ [pid 7732] <... mkdir resumed>) = 0 [pid 7731] +++ exited with 0 +++ [pid 7738] <... close resumed>) = 0 [pid 7732] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7731, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 7738] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7732] <... futex resumed>) = 1 [pid 7730] <... futex resumed>) = 0 [pid 7738] <... futex resumed>) = 1 [pid 7733] <... futex resumed>) = 0 [pid 7732] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7730] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7738] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7733] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7730] <... futex resumed>) = 0 [pid 7738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7733] <... futex resumed>) = 0 [pid 7732] mkdir("./bus", 000 [pid 7730] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7738] mkdir("./file1", 000 [pid 7733] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7738] <... mkdir resumed>) = 0 [pid 7732] <... mkdir resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7738] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7732] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7738] <... futex resumed>) = 1 [pid 7733] <... futex resumed>) = 0 [pid 7732] <... futex resumed>) = 1 [pid 7730] <... futex resumed>) = 0 [pid 7738] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 259.298543][ T7734] overlayfs: failed to resolve './file0': -2 [pid 7733] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7732] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7730] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... openat resumed>) = 3 [pid 7738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7733] <... futex resumed>) = 0 [pid 7732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7730] <... futex resumed>) = 0 [pid 5012] fstat(3, [pid 7738] mkdir("./bus", 000 [pid 7733] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7732] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7730] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7738] <... mkdir resumed>) = 0 [pid 7738] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7733] <... futex resumed>) = 0 [pid 5012] getdents64(3, [pid 7738] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7733] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7733] <... futex resumed>) = 0 [pid 7738] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7733] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./129/binderfs") = 0 [pid 5012] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = 0 [pid 5009] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./127/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./127/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7730] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7730] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7730] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7730] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 259.364901][ T7732] overlayfs: upper fs needs to support d_type. [ 259.373471][ T7738] overlayfs: upper fs needs to support d_type. [ 259.392966][ T7738] overlayfs: upper fs does not support tmpfile. [ 259.398227][ T7732] overlayfs: upper fs does not support tmpfile. [pid 5009] fstat(4, [pid 7733] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7733] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7733] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7733] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7747], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7747 [pid 7733] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7733] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7730] <... clone resumed>, parent_tid=[7746], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7746 [pid 5009] getdents64(4, [pid 7730] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7747 attached ./strace-static-x86_64: Process 7746 attached ) = 0 [pid 7747] set_robust_list(0x7f76a8b559e0, 24 [pid 7746] set_robust_list(0x7f76a8b559e0, 24 [pid 7730] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7747] <... set_robust_list resumed>) = 0 [pid 7746] <... set_robust_list resumed>) = 0 [pid 7747] mkdir(".", 0777 [pid 7746] mkdir(".", 0777 [pid 5010] <... umount2 resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7747] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7732] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./127/file0" [pid 7747] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7746] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7732] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... rmdir resumed>) = 0 [pid 7746] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7732] <... futex resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] getdents64(3, [pid 7732] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] lstat("./128/file0", [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... close resumed>) = 0 [pid 5009] rmdir("./127" [pid 5010] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... rmdir resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 259.421202][ T7732] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 259.437195][ T7732] overlayfs: failed to resolve './file0': -2 [ 259.456344][ T7738] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5009] mkdir("./128", 0777 [pid 5010] openat(AT_FDCWD, "./128/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... mkdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5010] <... openat resumed>) = 4 [pid 5009] <... openat resumed>) = 3 [pid 5010] fstat(4, [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] getdents64(4, [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7748 ./strace-static-x86_64: Process 7748 attached [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7748] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7748] chdir("./128") = 0 [pid 7746] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] getdents64(4, [ 259.473007][ T7746] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 259.507539][ T7747] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7748] setpgid(0, 0) = 0 [pid 7748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7748] write(3, "1000", 4 [pid 7746] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7747] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] close(4 [pid 7748] <... write resumed>) = 4 [pid 7748] close(3) = 0 [pid 7748] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7748] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7747] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7746] <... futex resumed>) = 1 [pid 7730] <... futex resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 7748] <... futex resumed>) = 0 [pid 7747] <... futex resumed>) = 1 [pid 7746] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7738] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7733] <... futex resumed>) = 0 [pid 7730] exit_group(0 [pid 5010] rmdir("./128/file0" [pid 7748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7747] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7746] <... futex resumed>) = ? [pid 7738] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7733] exit_group(0 [pid 7732] <... futex resumed>) = ? [pid 7730] <... exit_group resumed>) = ? [pid 5010] <... rmdir resumed>) = 0 [pid 7748] <... mmap resumed>) = 0x7f76b0b56000 [pid 7747] <... futex resumed>) = ? [pid 7746] +++ exited with 0 +++ [pid 7738] <... futex resumed>) = ? [pid 7733] <... exit_group resumed>) = ? [pid 7732] +++ exited with 0 +++ [pid 7748] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7747] +++ exited with 0 +++ [pid 5010] getdents64(3, [pid 7748] <... mprotect resumed>) = 0 [pid 7748] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7738] +++ exited with 0 +++ [pid 7733] +++ exited with 0 +++ [pid 7730] +++ exited with 0 +++ [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7730, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5010] close(3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7733, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 7748] <... clone resumed>, parent_tid=[7749], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7749 ./strace-static-x86_64: Process 7749 attached [pid 7748] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 7749] set_robust_list(0x7f76b0b769e0, 24 [pid 7748] <... futex resumed>) = 0 [ 259.522304][ T7738] overlayfs: failed to resolve './file0': -2 [pid 5012] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] rmdir("./128" [pid 7749] <... set_robust_list resumed>) = 0 [pid 7748] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... rmdir resumed>) = 0 [pid 7749] memfd_create("syzkaller", 0 [pid 5012] lstat("./129/file0", [pid 5010] mkdir("./129", 0777 [pid 5008] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7749] <... memfd_create resumed>) = 3 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... mkdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7749] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7749] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [pid 5012] openat(AT_FDCWD, "./129/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] <... openat resumed>) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5008] fstat(3, [pid 5012] fstat(4, [pid 5011] fstat(3, [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] close(3 [pid 5008] getdents64(3, [pid 5012] getdents64(4, [pid 5011] getdents64(3, [pid 5010] <... close resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] getdents64(4, [pid 5011] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] close(4 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7750 [pid 5012] <... close resumed>) = 0 [pid 5011] lstat("./128/binderfs", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] rmdir("./129/file0" [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] lstat("./127/binderfs", [pid 5012] <... rmdir resumed>) = 0 [pid 5011] unlink("./128/binderfs" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] getdents64(3, [pid 5011] <... unlink resumed>) = 0 [pid 5008] unlink("./127/binderfs"./strace-static-x86_64: Process 7750 attached [pid 7749] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... unlink resumed>) = 0 [pid 7750] set_robust_list(0x555556dec5e0, 24 [pid 5012] close(3 [pid 5008] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... close resumed>) = 0 [pid 5012] rmdir("./129") = 0 [pid 5012] mkdir("./130", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3 [pid 7750] <... set_robust_list resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 7750] chdir("./129" [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7750] <... chdir resumed>) = 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7751 [pid 7750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7750] setpgid(0, 0) = 0 [pid 7750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7750] write(3, "1000", 4) = 4 [pid 7750] close(3) = 0 [pid 7750] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7751 attached [pid 7751] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7751] chdir("./130" [pid 7750] <... symlink resumed>) = 0 [pid 7750] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7751] <... chdir resumed>) = 0 [pid 7750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7750] <... mmap resumed>) = 0x7f76b0b56000 [pid 7750] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7751] <... prctl resumed>) = 0 [pid 7750] <... mprotect resumed>) = 0 [pid 7751] setpgid(0, 0 [pid 7750] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7751] <... setpgid resumed>) = 0 [pid 7751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7750] <... clone resumed>, parent_tid=[7752], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7752 [pid 7751] <... openat resumed>) = 3 [pid 7750] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7752 attached [pid 7751] write(3, "1000", 4 [pid 7750] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7752] set_robust_list(0x7f76b0b769e0, 24 [pid 7751] <... write resumed>) = 4 [pid 7752] <... set_robust_list resumed>) = 0 [pid 7751] close(3 [pid 7752] memfd_create("syzkaller", 0 [pid 7751] <... close resumed>) = 0 [pid 7752] <... memfd_create resumed>) = 3 [pid 7751] symlink("/dev/binderfs", "./binderfs" [pid 7752] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7751] <... symlink resumed>) = 0 [pid 7752] <... mmap resumed>) = 0x7f76a8756000 [pid 7751] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7751] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7751] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7753], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7753 [pid 7751] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7751] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7753 attached [pid 5008] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7753] set_robust_list(0x7f76b0b769e0, 24 [pid 5011] <... umount2 resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7753] <... set_robust_list resumed>) = 0 [pid 5011] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./127/file0", [pid 7753] memfd_create("syzkaller", 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7753] <... memfd_create resumed>) = 3 [pid 5011] lstat("./128/file0", [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7753] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7753] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./127/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./128/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... openat resumed>) = 4 [pid 7752] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5011] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, [pid 5008] getdents64(4, [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, [pid 5008] getdents64(4, [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4 [pid 5008] close(4 [pid 5011] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5011] rmdir("./128/file0" [pid 5008] rmdir("./127/file0" [pid 5011] <... rmdir resumed>) = 0 [pid 5011] getdents64(3, [pid 5008] <... rmdir resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(3, [pid 5011] close(3 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... close resumed>) = 0 [pid 5008] close(3 [pid 5011] rmdir("./128" [pid 5008] <... close resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5011] mkdir("./129", 0777 [pid 5008] rmdir("./127" [pid 5011] <... mkdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5008] <... rmdir resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 5008] mkdir("./128", 0777 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5008] <... mkdir resumed>) = 0 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5011] close(3) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7754 [pid 5008] close(3 [pid 7753] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 ./strace-static-x86_64: Process 7754 attached [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7755 [pid 7754] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7754] chdir("./129"./strace-static-x86_64: Process 7755 attached ) = 0 [pid 7755] set_robust_list(0x555556dec5e0, 24 [pid 7754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7755] <... set_robust_list resumed>) = 0 [pid 7754] <... prctl resumed>) = 0 [pid 7754] setpgid(0, 0 [pid 7755] chdir("./128") = 0 [pid 7754] <... setpgid resumed>) = 0 [pid 7749] <... write resumed>) = 4194304 [pid 7755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7755] <... prctl resumed>) = 0 [pid 7754] <... openat resumed>) = 3 [pid 7755] setpgid(0, 0 [pid 7754] write(3, "1000", 4 [pid 7755] <... setpgid resumed>) = 0 [pid 7754] <... write resumed>) = 4 [pid 7755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7754] close(3 [pid 7755] <... openat resumed>) = 3 [pid 7754] <... close resumed>) = 0 [pid 7755] write(3, "1000", 4 [pid 7754] symlink("/dev/binderfs", "./binderfs" [pid 7755] <... write resumed>) = 4 [pid 7754] <... symlink resumed>) = 0 [pid 7755] close(3 [pid 7754] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7755] <... close resumed>) = 0 [pid 7754] <... futex resumed>) = 0 [pid 7755] symlink("/dev/binderfs", "./binderfs" [pid 7754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7755] <... symlink resumed>) = 0 [pid 7755] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7754] <... mmap resumed>) = 0x7f76b0b56000 [pid 7755] <... futex resumed>) = 0 [pid 7754] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7754] <... mprotect resumed>) = 0 [pid 7749] munmap(0x7f76a8756000, 4194304 [pid 7755] <... mmap resumed>) = 0x7f76b0b56000 [pid 7754] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7749] <... munmap resumed>) = 0 [pid 7755] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7754] <... clone resumed>, parent_tid=[7756], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7756 [pid 7755] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7754] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7755] <... clone resumed>, parent_tid=[7757], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7757 ./strace-static-x86_64: Process 7756 attached [pid 7755] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7754] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7749] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7756] set_robust_list(0x7f76b0b769e0, 24 [pid 7755] <... futex resumed>) = 0 [pid 7749] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7757 attached [pid 7756] <... set_robust_list resumed>) = 0 [pid 7755] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7752] <... write resumed>) = 4194304 [pid 7749] ioctl(4, LOOP_SET_FD, 3 [pid 7757] set_robust_list(0x7f76b0b769e0, 24 [pid 7756] memfd_create("syzkaller", 0 [pid 7752] munmap(0x7f76a8756000, 4194304 [pid 7757] <... set_robust_list resumed>) = 0 [pid 7756] <... memfd_create resumed>) = 3 [pid 7753] <... write resumed>) = 4194304 [pid 7757] memfd_create("syzkaller", 0 [pid 7756] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7757] <... memfd_create resumed>) = 3 [pid 7756] <... mmap resumed>) = 0x7f76a8756000 [pid 7753] munmap(0x7f76a8756000, 4194304 [pid 7752] <... munmap resumed>) = 0 [pid 7757] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7752] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7752] ioctl(4, LOOP_SET_FD, 3 [pid 7749] <... ioctl resumed>) = 0 [pid 7749] close(3) = 0 [pid 7749] mkdir("./file0", 0777) = 0 [pid 7749] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7752] <... ioctl resumed>) = 0 [pid 7752] close(3) = 0 [pid 7752] mkdir("./file0", 0777 [pid 7753] <... munmap resumed>) = 0 [pid 7753] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7752] <... mkdir resumed>) = 0 [pid 7753] <... openat resumed>) = 4 [pid 7752] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 259.863100][ T7749] loop1: detected capacity change from 0 to 8192 [ 259.888060][ T7752] loop2: detected capacity change from 0 to 8192 [ 259.902066][ T7753] loop4: detected capacity change from 0 to 8192 [pid 7753] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7753] close(3) = 0 [pid 7753] mkdir("./file0", 0777 [pid 7756] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7753] <... mkdir resumed>) = 0 [ 259.902188][ T7749] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 259.922141][ T7752] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 259.938014][ T7752] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7753] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 259.955767][ T7753] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 259.966304][ T7752] REISERFS (device loop2): using ordered data mode [ 259.976444][ T7753] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 259.976817][ T7752] reiserfs: using flush barriers [ 259.993113][ T7749] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 259.993601][ T7752] 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 [ 260.019846][ T7752] REISERFS (device loop2): checking transaction log (loop2) [ 260.028905][ T7753] REISERFS (device loop4): using ordered data mode [ 260.036130][ T7752] REISERFS (device loop2): Using r5 hash to sort names [ 260.037324][ T7753] reiserfs: using flush barriers [ 260.043339][ T7752] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7757] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 7752] <... mount resumed>) = 0 [pid 7757] munmap(0x7f76a8756000, 4194304 [pid 7752] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7757] <... munmap resumed>) = 0 [ 260.053566][ T7753] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 260.079216][ T7749] REISERFS (device loop1): using ordered data mode [ 260.085414][ T7752] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7752] chdir("./file0" [pid 7757] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7752] <... chdir resumed>) = 0 [pid 7752] ioctl(4, LOOP_CLR_FD [pid 7757] <... openat resumed>) = 4 [pid 7752] <... ioctl resumed>) = 0 [pid 7757] ioctl(4, LOOP_SET_FD, 3 [pid 7752] close(4 [pid 7756] <... write resumed>) = 4194304 [pid 7752] <... close resumed>) = 0 [pid 7752] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7752] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7757] <... ioctl resumed>) = 0 [pid 7757] close(3) = 0 [pid 7757] mkdir("./file0", 0777) = 0 [ 260.109954][ T7753] REISERFS (device loop4): checking transaction log (loop4) [ 260.119979][ T7749] reiserfs: using flush barriers [ 260.121235][ T7757] loop0: detected capacity change from 0 to 8192 [ 260.129175][ T7749] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 260.142975][ T7753] REISERFS (device loop4): Using r5 hash to sort names [pid 7757] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7756] munmap(0x7f76a8756000, 4194304 [pid 7750] <... futex resumed>) = 0 [pid 7750] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7752] <... futex resumed>) = 0 [pid 7750] <... futex resumed>) = 1 [pid 7752] mkdir("./file1", 000 [pid 7750] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7756] <... munmap resumed>) = 0 [pid 7752] <... mkdir resumed>) = 0 [pid 7756] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7752] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7752] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7756] <... openat resumed>) = 4 [pid 7750] <... futex resumed>) = 0 [pid 7753] <... mount resumed>) = 0 [pid 7753] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7753] chdir("./file0") = 0 [pid 7753] ioctl(4, LOOP_CLR_FD) = 0 [pid 7753] close(4) = 0 [pid 7753] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7751] <... futex resumed>) = 0 [pid 7751] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7751] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7753] <... futex resumed>) = 1 [pid 7753] mkdir("./file1", 000) = 0 [pid 7753] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7751] <... futex resumed>) = 0 [pid 7751] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7751] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7753] <... futex resumed>) = 1 [pid 7753] mkdir("./bus", 000) = 0 [pid 7753] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7751] <... futex resumed>) = 0 [pid 7751] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7751] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7753] <... futex resumed>) = 1 [ 260.154606][ T7753] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 260.159643][ T7749] REISERFS (device loop1): checking transaction log (loop1) [ 260.179779][ T7749] REISERFS (device loop1): Using r5 hash to sort names [ 260.182219][ T7753] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 260.187948][ T7757] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7753] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7750] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7756] ioctl(4, LOOP_SET_FD, 3 [pid 7752] <... futex resumed>) = 0 [pid 7750] <... futex resumed>) = 1 [pid 7749] <... mount resumed>) = 0 [pid 7749] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7749] chdir("./file0") = 0 [pid 7749] ioctl(4, LOOP_CLR_FD) = 0 [pid 7749] close(4) = 0 [pid 7752] mkdir("./bus", 000 [pid 7750] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7752] <... mkdir resumed>) = 0 [pid 7752] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7750] <... futex resumed>) = 0 [pid 7752] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7750] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7750] <... futex resumed>) = 0 [pid 7752] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7750] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7749] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7748] <... futex resumed>) = 0 [pid 7748] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7748] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7749] <... futex resumed>) = 1 [pid 7749] mkdir("./file1", 000) = 0 [pid 7749] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7748] <... futex resumed>) = 0 [pid 7748] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7748] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7749] <... futex resumed>) = 1 [pid 7749] mkdir("./bus", 000 [pid 7751] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7751] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 260.214855][ T7749] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 260.228485][ T7753] overlayfs: upper fs needs to support d_type. [ 260.229186][ T7749] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 260.244475][ T7756] loop3: detected capacity change from 0 to 8192 [ 260.255100][ T7752] overlayfs: upper fs needs to support d_type. [pid 7751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7751] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7749] <... mkdir resumed>) = 0 [pid 7756] <... ioctl resumed>) = 0 [pid 7749] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7756] close(3 [pid 7749] <... futex resumed>) = 1 [pid 7756] <... close resumed>) = 0 [pid 7751] <... mprotect resumed>) = 0 [pid 7749] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7748] <... futex resumed>) = 0 [pid 7756] mkdir("./file0", 0777) = 0 [ 260.265483][ T7757] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 260.266992][ T7753] overlayfs: upper fs does not support tmpfile. [ 260.275845][ T7757] REISERFS (device loop0): using ordered data mode [ 260.287807][ T7752] overlayfs: upper fs does not support tmpfile. [ 260.289011][ T7757] reiserfs: using flush barriers [pid 7756] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7751] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7748] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7750] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7750] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7749] <... futex resumed>) = 0 [pid 7748] <... futex resumed>) = 1 [pid 7750] <... mmap resumed>) = 0x7f76a8b35000 [pid 7749] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7750] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7750] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7751] <... clone resumed>, parent_tid=[7763], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7763 [pid 7750] <... clone resumed>, parent_tid=[7764], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7764 [pid 7750] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 260.302818][ T7757] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 260.303505][ T7753] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 260.327132][ T7756] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 260.328750][ T7753] overlayfs: failed to resolve './file0': -2 [ 260.348975][ T7749] overlayfs: upper fs needs to support d_type. [ 260.356218][ T7752] overlayfs: upper fs does not support RENAME_WHITEOUT. ./strace-static-x86_64: Process 7764 attached ./strace-static-x86_64: Process 7763 attached [pid 7753] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7751] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7750] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7748] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7763] set_robust_list(0x7f76a8b559e0, 24 [pid 7753] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7751] <... futex resumed>) = 0 [pid 7764] set_robust_list(0x7f76a8b559e0, 24 [pid 7763] <... set_robust_list resumed>) = 0 [pid 7753] <... futex resumed>) = 0 [pid 7751] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7764] <... set_robust_list resumed>) = 0 [pid 7763] mkdir(".", 0777 [pid 7764] mkdir(".", 0777 [pid 7763] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7764] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7763] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 260.365004][ T7752] overlayfs: failed to resolve './file0': -2 [ 260.372666][ T7749] overlayfs: upper fs does not support tmpfile. [ 260.373750][ T7757] REISERFS (device loop0): checking transaction log (loop0) [ 260.389301][ T7757] REISERFS (device loop0): Using r5 hash to sort names [ 260.396778][ T7757] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7764] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7757] <... mount resumed>) = 0 [pid 7753] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7752] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7748] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7748] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7748] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7748] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7765], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7765 [pid 7748] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 260.401234][ T7764] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 260.409928][ T7757] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 260.432087][ T7763] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 260.432659][ T7756] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 260.455533][ T7756] REISERFS (device loop3): using ordered data mode [pid 7748] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7764] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7763] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7757] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7752] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7765 attached [pid 7764] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7763] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7757] <... openat resumed>) = 3 [pid 7752] <... futex resumed>) = 0 [pid 7765] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7765] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7765] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7764] <... futex resumed>) = 1 [pid 7763] <... futex resumed>) = 1 [pid 7757] chdir("./file0" [pid 7752] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7751] <... futex resumed>) = 0 [pid 7750] <... futex resumed>) = 0 [pid 7764] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7763] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [ 260.455798][ T7749] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 260.462059][ T7756] reiserfs: using flush barriers [ 260.469249][ T7756] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 260.493115][ T7756] REISERFS (device loop3): checking transaction log (loop3) [ 260.509349][ T7749] overlayfs: failed to resolve './file0': -2 [pid 7757] <... chdir resumed>) = 0 [pid 7751] exit_group(0 [pid 7750] exit_group(0 [pid 7763] <... futex resumed>) = ? [pid 7757] ioctl(4, LOOP_CLR_FD [pid 7753] <... futex resumed>) = ? [pid 7751] <... exit_group resumed>) = ? [pid 7763] +++ exited with 0 +++ [pid 7757] <... ioctl resumed>) = 0 [pid 7753] +++ exited with 0 +++ [pid 7751] +++ exited with 0 +++ [pid 7757] close(4 [pid 7764] <... futex resumed>) = ? [pid 7757] <... close resumed>) = 0 [pid 7752] <... futex resumed>) = ? [pid 7750] <... exit_group resumed>) = ? [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7751, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7764] +++ exited with 0 +++ [pid 7757] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7752] +++ exited with 0 +++ [pid 7757] <... futex resumed>) = 1 [pid 7755] <... futex resumed>) = 0 [pid 7757] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7755] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7750] +++ exited with 0 +++ [pid 7757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7755] <... futex resumed>) = 0 [pid 7757] mkdir("./file1", 000 [pid 7755] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7757] <... mkdir resumed>) = 0 [pid 7757] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7750, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7757] <... futex resumed>) = 1 [pid 7755] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7757] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7755] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7755] <... futex resumed>) = 0 [ 260.518657][ T7765] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 260.533375][ T7756] REISERFS (device loop3): Using r5 hash to sort names [ 260.553492][ T7756] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5012] <... openat resumed>) = 3 [pid 7765] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7757] mkdir("./bus", 000 [pid 7755] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7765] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7757] <... mkdir resumed>) = 0 [pid 5012] fstat(3, [pid 7765] <... futex resumed>) = 1 [pid 7757] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7756] <... mount resumed>) = 0 [pid 7748] <... futex resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7757] <... futex resumed>) = 1 [pid 7755] <... futex resumed>) = 0 [pid 7757] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7755] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7755] <... futex resumed>) = 0 [pid 7757] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7755] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7765] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7756] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7749] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] getdents64(3, [pid 5010] fstat(3, [pid 7756] <... openat resumed>) = 3 [pid 7749] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7756] chdir("./file0" [pid 7749] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7756] <... chdir resumed>) = 0 [pid 7756] ioctl(4, LOOP_CLR_FD) = 0 [pid 7756] close(4) = 0 [pid 7749] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(3, [pid 7756] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7754] <... futex resumed>) = 0 [pid 7756] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7754] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7754] <... futex resumed>) = 0 [pid 7756] mkdir("./file1", 000 [pid 7754] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7756] <... mkdir resumed>) = 0 [pid 7756] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7754] <... futex resumed>) = 0 [pid 7756] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7754] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7748] exit_group(0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7754] <... futex resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7765] <... futex resumed>) = ? [pid 7756] mkdir("./bus", 000 [pid 7754] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7749] <... futex resumed>) = ? [pid 7748] <... exit_group resumed>) = ? [pid 5012] lstat("./130/binderfs", [pid 7756] <... mkdir resumed>) = 0 [pid 7765] +++ exited with 0 +++ [pid 7756] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7756] <... futex resumed>) = 1 [pid 7754] <... futex resumed>) = 0 [pid 7756] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7754] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 260.573079][ T7756] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 260.588305][ T7757] overlayfs: upper fs needs to support d_type. [ 260.595052][ T7757] overlayfs: upper fs does not support tmpfile. [ 260.604189][ T7757] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 260.614714][ T7757] overlayfs: failed to resolve './file0': -2 [pid 7754] <... futex resumed>) = 0 [pid 7749] +++ exited with 0 +++ [pid 7748] +++ exited with 0 +++ [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7756] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7754] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] unlink("./130/binderfs" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7748, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5012] <... unlink resumed>) = 0 [pid 5012] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] lstat("./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./129/binderfs") = 0 [pid 5010] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7757] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7757] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7757] <... futex resumed>) = 1 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7757] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5009] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./128/binderfs") = 0 [pid 5009] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7755] <... futex resumed>) = 0 [pid 7755] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7757] <... futex resumed>) = 0 [pid 7755] <... futex resumed>) = 1 [pid 7757] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7757] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 260.629778][ T7756] overlayfs: upper fs needs to support d_type. [ 260.639374][ T7756] overlayfs: upper fs does not support tmpfile. [ 260.647687][ T7756] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 260.665006][ T7756] overlayfs: failed to resolve './file0': -2 [pid 7755] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7757] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7757] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7754] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7757] <... futex resumed>) = 1 [ 260.671317][ T7757] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7754] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7757] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7755] <... futex resumed>) = 0 [pid 7754] <... futex resumed>) = 0 [pid 7756] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7755] exit_group(0 [pid 7754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7755] <... exit_group resumed>) = ? [pid 7757] <... futex resumed>) = ? [pid 7754] <... mmap resumed>) = 0x7f76a8b35000 [pid 7757] +++ exited with 0 +++ [pid 7755] +++ exited with 0 +++ [pid 7756] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7754] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7756] <... futex resumed>) = 0 [pid 7754] <... mprotect resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7755, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7756] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7754] clone(child_stack=0x7f76a8b553f0, 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 7766 attached [pid 5008] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7766] set_robust_list(0x7f76a8b559e0, 24 [pid 7754] <... clone resumed>, parent_tid=[7766], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7766 [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 7766] <... set_robust_list resumed>) = 0 [pid 7754] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7766] mkdir(".", 0777 [pid 7754] <... futex resumed>) = 0 [pid 5008] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7766] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7754] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7766] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] lstat("./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./128/binderfs") = 0 [pid 5008] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7766] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... umount2 resumed>) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 5010] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7766] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7754] <... futex resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7766] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7754] exit_group(0 [pid 5010] lstat("./129/file0", [pid 5009] lstat("./128/file0", [pid 7754] <... exit_group resumed>) = ? [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7756] <... futex resumed>) = ? [pid 7766] <... futex resumed>) = ? [pid 7766] +++ exited with 0 +++ [pid 7756] +++ exited with 0 +++ [pid 7754] +++ exited with 0 +++ [pid 5010] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7754, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5011] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] openat(AT_FDCWD, "./129/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] openat(AT_FDCWD, "./128/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... openat resumed>) = 4 [pid 5011] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... openat resumed>) = 4 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./129/binderfs") = 0 [pid 5011] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] fstat(4, [ 260.773149][ T7766] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5009] fstat(4, [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... umount2 resumed>) = 0 [pid 5010] getdents64(4, [pid 5009] getdents64(4, [pid 5012] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] getdents64(4, [pid 5009] getdents64(4, [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4 [pid 5009] close(4 [pid 5010] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5010] rmdir("./129/file0" [pid 5012] lstat("./130/file0", [pid 5010] <... rmdir resumed>) = 0 [pid 5009] rmdir("./128/file0") = 0 [pid 5010] getdents64(3, [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] getdents64(3, [pid 5010] close(3 [pid 5012] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] close(3 [pid 5010] rmdir("./129" [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... close resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] rmdir("./128" [pid 5012] openat(AT_FDCWD, "./130/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... rmdir resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 5010] mkdir("./130", 0777 [pid 5009] mkdir("./129", 0777 [pid 5012] fstat(4, [pid 5010] <... mkdir resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5012] getdents64(4, [pid 5010] <... openat resumed>) = 3 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5012] close(4 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5012] <... close resumed>) = 0 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5012] rmdir("./130/file0") = 0 [pid 5010] close(3 [pid 5012] getdents64(3, [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] <... close resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] close(3 [pid 5012] close(3 [pid 5009] <... close resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7767 [pid 5012] rmdir("./130" [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] <... rmdir resumed>) = 0 [pid 5012] mkdir("./131", 0777 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7768 [pid 5012] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 7767 attached [pid 7767] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7767] chdir("./130") = 0 [pid 7767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7767] setpgid(0, 0) = 0 [pid 7767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7767] write(3, "1000", 4) = 4 [pid 7767] close(3) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 7768 attached ) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7767] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7767] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7769 [pid 7767] <... futex resumed>) = 0 [pid 7768] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7768] chdir("./129") = 0 [pid 7768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7768] setpgid(0, 0) = 0 [pid 7768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7767] <... mmap resumed>) = 0x7f76b0b56000 [pid 7768] <... openat resumed>) = 3 [pid 7767] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7768] write(3, "1000", 4) = 4 [pid 7768] close(3) = 0 [pid 7767] <... mprotect resumed>) = 0 [pid 7768] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7767] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7768] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7767] <... clone resumed>, parent_tid=[7770], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7770 [pid 7767] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7768] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7767] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7769 attached [pid 7768] <... mprotect resumed>) = 0 [pid 7769] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7768] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7769] chdir("./131") = 0 [pid 7768] <... clone resumed>, parent_tid=[7771], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7771 [pid 7768] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7768] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7770 attached [pid 7769] <... prctl resumed>) = 0 [pid 7768] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7770] set_robust_list(0x7f76b0b769e0, 24 [pid 7769] setpgid(0, 0./strace-static-x86_64: Process 7771 attached [pid 7770] <... set_robust_list resumed>) = 0 [pid 7769] <... setpgid resumed>) = 0 [pid 7770] memfd_create("syzkaller", 0 [pid 7769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7771] set_robust_list(0x7f76b0b769e0, 24 [pid 7770] <... memfd_create resumed>) = 3 [pid 7769] <... openat resumed>) = 3 [pid 7771] <... set_robust_list resumed>) = 0 [pid 7770] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7769] write(3, "1000", 4 [pid 7770] <... mmap resumed>) = 0x7f76a8756000 [pid 7769] <... write resumed>) = 4 [pid 7771] memfd_create("syzkaller", 0 [pid 7769] close(3 [pid 7771] <... memfd_create resumed>) = 3 [pid 7769] <... close resumed>) = 0 [pid 7771] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7769] symlink("/dev/binderfs", "./binderfs" [pid 7771] <... mmap resumed>) = 0x7f76a8756000 [pid 7769] <... symlink resumed>) = 0 [pid 7769] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7769] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7769] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7772], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7772 [pid 7769] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7769] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7772 attached [pid 7772] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7772] memfd_create("syzkaller", 0) = 3 [pid 7772] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./129/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./128/file0", [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] openat(AT_FDCWD, "./129/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./128/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... openat resumed>) = 4 [pid 5008] <... openat resumed>) = 4 [pid 5011] fstat(4, [pid 5008] fstat(4, [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] close(4) = 0 [pid 5008] getdents64(4, [pid 5011] rmdir("./129/file0" [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5011] getdents64(3, [pid 5008] close(4 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3 [pid 5008] <... close resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5011] rmdir("./129" [pid 5008] rmdir("./128/file0" [pid 5011] <... rmdir resumed>) = 0 [pid 5011] mkdir("./130", 0777) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5008] getdents64(3, [pid 5011] <... openat resumed>) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] close(3 [pid 5008] close(3 [pid 5011] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7773 [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./128") = 0 [pid 5008] mkdir("./129", 0777 [pid 7771] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7773 attached [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7773] set_robust_list(0x555556dec5e0, 24) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7773] chdir("./130" [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7773] <... chdir resumed>) = 0 [pid 7773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7770] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7773] <... prctl resumed>) = 0 [pid 7773] setpgid(0, 0) = 0 [pid 7773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7773] write(3, "1000", 4 [pid 5008] close(3 [pid 7773] <... write resumed>) = 4 [pid 7773] close(3 [pid 5008] <... close resumed>) = 0 [pid 7773] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7773] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7773] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7774 ./strace-static-x86_64: Process 7774 attached [pid 7773] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7772] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7773] <... mprotect resumed>) = 0 [pid 7774] set_robust_list(0x555556dec5e0, 24 [pid 7773] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7774] <... set_robust_list resumed>) = 0 [pid 7774] chdir("./129" [pid 7773] <... clone resumed>, parent_tid=[7775], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7775 [pid 7774] <... chdir resumed>) = 0 [pid 7773] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7773] <... futex resumed>) = 0 [pid 7774] <... prctl resumed>) = 0 [pid 7773] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7774] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 7775 attached [pid 7774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7775] set_robust_list(0x7f76b0b769e0, 24 [pid 7774] <... openat resumed>) = 3 [pid 7774] write(3, "1000", 4) = 4 [pid 7774] close(3 [pid 7775] <... set_robust_list resumed>) = 0 [pid 7775] memfd_create("syzkaller", 0 [pid 7774] <... close resumed>) = 0 [pid 7775] <... memfd_create resumed>) = 3 [pid 7774] symlink("/dev/binderfs", "./binderfs" [pid 7775] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7774] <... symlink resumed>) = 0 [pid 7775] <... mmap resumed>) = 0x7f76a8756000 [pid 7774] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7774] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7774] clone(child_stack=0x7f76b0b763f0, 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 7776 attached , parent_tid=[7776], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7776 [pid 7776] set_robust_list(0x7f76b0b769e0, 24 [pid 7774] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7776] <... set_robust_list resumed>) = 0 [pid 7774] <... futex resumed>) = 0 [pid 7776] memfd_create("syzkaller", 0 [pid 7774] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7776] <... memfd_create resumed>) = 3 [pid 7771] <... write resumed>) = 4194304 [pid 7776] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7771] munmap(0x7f76a8756000, 4194304 [pid 7776] <... mmap resumed>) = 0x7f76a8756000 [pid 7771] <... munmap resumed>) = 0 [pid 7771] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7771] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7771] close(3) = 0 [pid 7771] mkdir("./file0", 0777) = 0 [pid 7771] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7775] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7770] <... write resumed>) = 4194304 [ 261.147168][ T7771] loop1: detected capacity change from 0 to 8192 [ 261.167388][ T7771] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7770] munmap(0x7f76a8756000, 4194304) = 0 [pid 7770] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7770] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7770] close(3) = 0 [pid 7770] mkdir("./file0", 0777) = 0 [pid 7770] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 261.206273][ T7771] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 261.217890][ T7770] loop2: detected capacity change from 0 to 8192 [ 261.236384][ T7770] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7776] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7772] <... write resumed>) = 4194304 [pid 7772] munmap(0x7f76a8756000, 4194304) = 0 [pid 7772] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7775] <... write resumed>) = 4194304 [pid 7772] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7772] close(3) = 0 [ 261.250963][ T7771] REISERFS (device loop1): using ordered data mode [ 261.265458][ T7770] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 261.275348][ T7771] reiserfs: using flush barriers [ 261.280402][ T7770] REISERFS (device loop2): using ordered data mode [ 261.281919][ T7771] 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 7772] mkdir("./file0", 0777) = 0 [pid 7772] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7775] munmap(0x7f76a8756000, 4194304) = 0 [pid 7775] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 261.303797][ T7772] loop4: detected capacity change from 0 to 8192 [ 261.311972][ T7771] REISERFS (device loop1): checking transaction log (loop1) [ 261.319476][ T7772] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 261.319512][ T7772] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 261.333004][ T7770] reiserfs: using flush barriers [ 261.347811][ T7771] REISERFS (device loop1): Using r5 hash to sort names [pid 7775] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7775] close(3) = 0 [pid 7775] mkdir("./file0", 0777) = 0 [ 261.355944][ T7775] loop3: detected capacity change from 0 to 8192 [ 261.356377][ T7771] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 261.375241][ T7770] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 261.392770][ T7770] REISERFS (device loop2): checking transaction log (loop2) [ 261.392845][ T7775] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 261.400650][ T7772] REISERFS (device loop4): using ordered data mode [ 261.416751][ T7771] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 261.420579][ T7772] reiserfs: using flush barriers [ 261.436014][ T7770] REISERFS (device loop2): Using r5 hash to sort names [ 261.443162][ T7770] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7775] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7770] <... mount resumed>) = 0 [pid 7770] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7770] chdir("./file0") = 0 [pid 7770] ioctl(4, LOOP_CLR_FD) = 0 [ 261.446412][ T7772] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 261.455968][ T7770] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 261.481798][ T7775] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 261.491374][ T7775] REISERFS (device loop3): using ordered data mode [ 261.498449][ T7775] reiserfs: using flush barriers [pid 7770] close(4 [pid 7771] <... mount resumed>) = 0 [pid 7770] <... close resumed>) = 0 [pid 7771] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7770] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] <... openat resumed>) = 3 [pid 7770] <... futex resumed>) = 1 [pid 7767] <... futex resumed>) = 0 [pid 7771] chdir("./file0" [pid 7770] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7767] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7776] <... write resumed>) = 4194304 [pid 7771] <... chdir resumed>) = 0 [pid 7770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7767] <... futex resumed>) = 0 [pid 7770] mkdir("./file1", 000 [pid 7767] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7770] <... mkdir resumed>) = 0 [pid 7770] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] ioctl(4, LOOP_CLR_FD [pid 7770] <... futex resumed>) = 1 [pid 7767] <... futex resumed>) = 0 [pid 7771] <... ioctl resumed>) = 0 [ 261.506030][ T7772] REISERFS (device loop4): checking transaction log (loop4) [ 261.516002][ T7775] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 261.534971][ T7772] REISERFS (device loop4): Using r5 hash to sort names [ 261.549777][ T7775] REISERFS (device loop3): checking transaction log (loop3) [pid 7770] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7767] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] close(4 [pid 7770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7767] <... futex resumed>) = 0 [pid 7770] mkdir("./bus", 000 [pid 7767] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7770] <... mkdir resumed>) = 0 [pid 7776] munmap(0x7f76a8756000, 4194304 [pid 7770] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] <... close resumed>) = 0 [pid 7770] <... futex resumed>) = 1 [pid 7767] <... futex resumed>) = 0 [pid 7770] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7767] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7767] <... futex resumed>) = 0 [pid 7776] <... munmap resumed>) = 0 [pid 7771] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7770] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7767] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7776] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7771] <... futex resumed>) = 1 [pid 7768] <... futex resumed>) = 0 [pid 7776] <... openat resumed>) = 4 [ 261.559634][ T7775] REISERFS (device loop3): Using r5 hash to sort names [ 261.570898][ T7772] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 261.584816][ T7775] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 261.590900][ T7770] overlayfs: upper fs needs to support d_type. [pid 7776] ioctl(4, LOOP_SET_FD, 3 [pid 7775] <... mount resumed>) = 0 [pid 7771] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7768] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7776] <... ioctl resumed>) = 0 [pid 7775] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7772] <... mount resumed>) = 0 [pid 7771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7768] <... futex resumed>) = 0 [pid 7776] close(3 [pid 7775] <... openat resumed>) = 3 [pid 7772] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7771] mkdir("./file1", 000 [pid 7768] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7776] <... close resumed>) = 0 [pid 7775] chdir("./file0" [pid 7772] <... openat resumed>) = 3 [pid 7771] <... mkdir resumed>) = 0 [pid 7776] mkdir("./file0", 0777) = 0 [ 261.597862][ T7775] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 261.609031][ T7776] loop0: detected capacity change from 0 to 8192 [ 261.614527][ T7772] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 261.626436][ T7770] overlayfs: upper fs does not support tmpfile. [ 261.640120][ T7770] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 261.647322][ T7776] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7776] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7775] <... chdir resumed>) = 0 [pid 7772] chdir("./file0" [pid 7771] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7767] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7771] <... futex resumed>) = 1 [pid 7767] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7767] <... futex resumed>) = 0 [pid 7767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7775] ioctl(4, LOOP_CLR_FD [pid 7772] <... chdir resumed>) = 0 [pid 7768] <... futex resumed>) = 0 [pid 7767] <... mmap resumed>) = 0x7f76a8b35000 [pid 7767] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7767] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7782], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7782 [pid 7767] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7767] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7782 attached [pid 7775] <... ioctl resumed>) = 0 [pid 7772] ioctl(4, LOOP_CLR_FD [pid 7770] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7768] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7775] close(4 [pid 7772] <... ioctl resumed>) = 0 [pid 7768] <... futex resumed>) = 1 [pid 7775] <... close resumed>) = 0 [pid 7772] close(4 [pid 7771] <... futex resumed>) = 0 [pid 7768] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7775] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] <... close resumed>) = 0 [pid 7775] <... futex resumed>) = 1 [pid 7773] <... futex resumed>) = 0 [pid 7772] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7775] mkdir("./file1", 000 [pid 7773] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] <... futex resumed>) = 1 [pid 7769] <... futex resumed>) = 0 [pid 7775] <... mkdir resumed>) = 0 [pid 7773] <... futex resumed>) = 0 [pid 7772] mkdir("./file1", 000 [pid 7769] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7775] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7773] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7772] <... mkdir resumed>) = 0 [pid 7771] mkdir("./bus", 000 [pid 7769] <... futex resumed>) = 0 [pid 7775] <... futex resumed>) = 0 [pid 7773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7772] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] <... mkdir resumed>) = 0 [pid 7769] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7775] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7773] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] <... futex resumed>) = 0 [pid 7769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7773] <... futex resumed>) = 0 [pid 7772] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7771] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7770] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7769] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7775] mkdir("./bus", 000 [pid 7773] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7771] <... futex resumed>) = 1 [pid 7770] <... futex resumed>) = 0 [pid 7769] <... futex resumed>) = 0 [pid 7768] <... futex resumed>) = 0 [pid 7775] <... mkdir resumed>) = 0 [ 261.647368][ T7776] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 261.663172][ T7770] overlayfs: failed to resolve './file0': -2 [ 261.685337][ T7776] REISERFS (device loop0): using ordered data mode [ 261.692643][ T7776] reiserfs: using flush barriers [pid 7772] mkdir("./bus", 000 [pid 7771] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7770] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7769] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7768] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7782] set_robust_list(0x7f76a8b559e0, 24 [pid 7775] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] <... mkdir resumed>) = 0 [pid 7768] <... futex resumed>) = 0 [pid 7782] <... set_robust_list resumed>) = 0 [pid 7775] <... futex resumed>) = 1 [pid 7773] <... futex resumed>) = 0 [pid 7772] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7768] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7782] mkdir(".", 0777 [pid 7775] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7773] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] <... futex resumed>) = 1 [pid 7769] <... futex resumed>) = 0 [pid 7782] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7773] <... futex resumed>) = 0 [pid 7772] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7769] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7782] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7775] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7773] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7769] <... futex resumed>) = 0 [pid 7772] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7769] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7771] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7768] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7768] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 261.706893][ T7776] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 261.724860][ T7776] REISERFS (device loop0): checking transaction log (loop0) [ 261.725156][ T7775] overlayfs: upper fs needs to support d_type. [ 261.739551][ T7772] overlayfs: upper fs needs to support d_type. [ 261.745692][ T7776] REISERFS (device loop0): Using r5 hash to sort names [ 261.753143][ T7771] overlayfs: upper fs needs to support d_type. [pid 7768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7768] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7768] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7773] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7773] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7768] <... clone resumed>, parent_tid=[7783], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7783 [pid 7773] <... mmap resumed>) = 0x7f76a8b35000 [pid 7769] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7768] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7773] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7769] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7768] <... futex resumed>) = 0 [pid 7773] <... mprotect resumed>) = 0 [pid 7769] <... futex resumed>) = 0 [pid 7768] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7773] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7773] <... clone resumed>, parent_tid=[7784], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7784 [ 261.760363][ T7771] overlayfs: upper fs does not support tmpfile. [ 261.771357][ T7771] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 261.775192][ T7782] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 261.781382][ T7771] overlayfs: failed to resolve './file0': -2 [ 261.798273][ T7775] overlayfs: upper fs does not support tmpfile. [pid 7769] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7773] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7769] <... mprotect resumed>) = 0 [pid 7773] <... futex resumed>) = 0 [pid 7769] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7773] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7769] <... clone resumed>, parent_tid=[7785], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7785 [pid 7769] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7769] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7785 attached ./strace-static-x86_64: Process 7784 attached ./strace-static-x86_64: Process 7783 attached [pid 7782] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7771] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7785] set_robust_list(0x7f76a8b559e0, 24 [pid 7784] set_robust_list(0x7f76a8b559e0, 24 [pid 7785] <... set_robust_list resumed>) = 0 [pid 7784] <... set_robust_list resumed>) = 0 [pid 7785] mkdir(".", 0777 [pid 7784] mkdir(".", 0777 [pid 7785] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7784] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7785] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7784] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7783] set_robust_list(0x7f76a8b559e0, 24 [pid 7782] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7776] <... mount resumed>) = 0 [pid 7775] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7771] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7783] <... set_robust_list resumed>) = 0 [pid 7782] <... futex resumed>) = 1 [pid 7776] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7775] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] <... futex resumed>) = 0 [pid 7767] <... futex resumed>) = 0 [pid 7783] mkdir(".", 0777 [pid 7782] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7776] <... openat resumed>) = 3 [pid 7775] <... futex resumed>) = 0 [pid 7771] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7783] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7775] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7776] chdir("./file0" [ 261.799698][ T7776] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 261.805771][ T7775] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 261.827773][ T7775] overlayfs: failed to resolve './file0': -2 [ 261.834831][ T7772] overlayfs: upper fs does not support tmpfile. [ 261.836294][ T7776] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7767] exit_group(0 [pid 7783] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7782] <... futex resumed>) = ? [pid 7776] <... chdir resumed>) = 0 [pid 7770] <... futex resumed>) = ? [pid 7767] <... exit_group resumed>) = ? [pid 7782] +++ exited with 0 +++ [pid 7776] ioctl(4, LOOP_CLR_FD) = 0 [pid 7776] close(4) = 0 [pid 7776] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7776] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7774] <... futex resumed>) = 0 [pid 7774] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7770] +++ exited with 0 +++ [pid 7767] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7767, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 7774] <... futex resumed>) = 1 [pid 7776] <... futex resumed>) = 0 [pid 7776] mkdir("./file1", 000) = 0 [pid 5010] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7776] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7776] <... futex resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7776] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... openat resumed>) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./130/binderfs") = 0 [pid 5010] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7785] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7785] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7785] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7774] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7769] <... futex resumed>) = 0 [pid 7774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 261.861940][ T7772] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 261.863178][ T7785] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 261.885017][ T7772] overlayfs: failed to resolve './file0': -2 [ 261.892754][ T7784] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7774] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7776] <... futex resumed>) = 0 [pid 7774] <... futex resumed>) = 1 [pid 7772] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7776] mkdir("./bus", 000 [pid 7774] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7772] <... futex resumed>) = 0 [pid 7769] exit_group(0 [pid 7776] <... mkdir resumed>) = 0 [pid 7772] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7776] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7785] <... futex resumed>) = ? [pid 7784] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7783] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7776] <... futex resumed>) = 0 [pid 7774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7772] <... futex resumed>) = ? [pid 7769] <... exit_group resumed>) = ? [pid 7785] +++ exited with 0 +++ [pid 7784] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7783] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7776] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7774] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] +++ exited with 0 +++ [pid 7769] +++ exited with 0 +++ [pid 7784] <... futex resumed>) = 1 [pid 7783] <... futex resumed>) = 1 [pid 7776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7774] <... futex resumed>) = 0 [pid 7773] <... futex resumed>) = 0 [pid 7768] <... futex resumed>) = 0 [ 261.915539][ T7783] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7784] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7783] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7776] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7774] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7773] exit_group(0 [pid 7768] exit_group(0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7769, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5010] <... umount2 resumed>) = 0 [pid 7784] <... futex resumed>) = ? [pid 7783] <... futex resumed>) = ? [pid 7775] <... futex resumed>) = ? [pid 7773] <... exit_group resumed>) = ? [pid 7771] <... futex resumed>) = ? [pid 7768] <... exit_group resumed>) = ? [pid 5012] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7784] +++ exited with 0 +++ [pid 7783] +++ exited with 0 +++ [pid 7775] +++ exited with 0 +++ [pid 7771] +++ exited with 0 +++ [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7773] +++ exited with 0 +++ [pid 5012] <... openat resumed>) = 3 [pid 5012] fstat(3, [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7773, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7768] +++ exited with 0 +++ [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] getdents64(3, [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./130/file0", [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7768, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5012] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... openat resumed>) = 3 [pid 5010] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... restart_syscall resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] fstat(3, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./131/binderfs", [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] openat(AT_FDCWD, "./130/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] getdents64(3, [pid 5010] <... openat resumed>) = 4 [pid 5009] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] unlink("./131/binderfs" [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] fstat(4, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... unlink resumed>) = 0 [pid 5011] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... openat resumed>) = 3 [pid 5011] lstat("./130/binderfs", [pid 5009] fstat(3, [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] unlink("./130/binderfs" [pid 5009] getdents64(3, [pid 5011] <... unlink resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 261.978141][ T7776] overlayfs: upper fs needs to support d_type. [ 261.984416][ T7776] overlayfs: upper fs does not support tmpfile. [ 262.013301][ T7776] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5009] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] getdents64(4, [pid 5009] lstat("./129/binderfs", [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] getdents64(4, [pid 5009] unlink("./129/binderfs" [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5009] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] close(4 [pid 7774] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] <... close resumed>) = 0 [pid 7774] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] rmdir("./130/file0" [pid 7774] <... futex resumed>) = 0 [pid 7774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... rmdir resumed>) = 0 [pid 7774] <... mmap resumed>) = 0x7f76a8b35000 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3 [pid 7774] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./130" [pid 7774] <... mprotect resumed>) = 0 [pid 7776] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7774] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... rmdir resumed>) = 0 [pid 7776] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7776] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7774] <... clone resumed>, parent_tid=[7786], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7786 [pid 5010] mkdir("./131", 0777 [pid 7774] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7786 attached [pid 7786] set_robust_list(0x7f76a8b559e0, 24 [pid 7774] <... futex resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 7774] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7786] <... set_robust_list resumed>) = 0 [ 262.024574][ T7776] overlayfs: failed to resolve './file0': -2 [pid 5010] <... openat resumed>) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 7786] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7786] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7787 ./strace-static-x86_64: Process 7787 attached [pid 7787] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7787] chdir("./131") = 0 [pid 7787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7787] setpgid(0, 0) = 0 [pid 7787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7787] write(3, "1000", 4) = 4 [pid 7787] close(3) = 0 [pid 7787] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7787] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7787] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7787] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7788], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7788 [pid 7787] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7787] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7788 attached [pid 7788] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7788] memfd_create("syzkaller", 0) = 3 [ 262.098218][ T7786] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7788] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7786] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7786] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7774] <... futex resumed>) = 0 [pid 7774] exit_group(0 [pid 7776] <... futex resumed>) = ? [pid 7774] <... exit_group resumed>) = ? [pid 7776] +++ exited with 0 +++ [pid 7786] <... futex resumed>) = ? [pid 7786] +++ exited with 0 +++ [pid 7774] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7774, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, [pid 5011] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(3, [pid 5011] lstat("./130/file0", [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./129/binderfs", [pid 5011] openat(AT_FDCWD, "./130/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] <... openat resumed>) = 4 [pid 5008] unlink("./129/binderfs" [pid 5011] fstat(4, [pid 5008] <... unlink resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./130/file0") = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./130") = 0 [pid 5011] mkdir("./131", 0777 [pid 5009] <... umount2 resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7789 ./strace-static-x86_64: Process 7789 attached [pid 7789] set_robust_list(0x555556dec5e0, 24 [pid 5009] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7789] <... set_robust_list resumed>) = 0 [pid 7789] chdir("./131") = 0 [pid 7789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7789] setpgid(0, 0) = 0 [pid 5009] lstat("./129/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7789] write(3, "1000", 4) = 4 [pid 7789] close(3) = 0 [pid 7789] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7789] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7789] <... mmap resumed>) = 0x7f76b0b56000 [pid 7789] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] openat(AT_FDCWD, "./129/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7789] <... mprotect resumed>) = 0 [pid 7789] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] <... openat resumed>) = 4 [pid 5009] fstat(4, [pid 7789] <... clone resumed>, parent_tid=[7790], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7790 [pid 7789] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7789] <... futex resumed>) = 0 [pid 5009] getdents64(4, ./strace-static-x86_64: Process 7790 attached [pid 7789] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7788] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7790] set_robust_list(0x7f76b0b769e0, 24 [pid 5012] <... umount2 resumed>) = 0 [pid 5009] getdents64(4, [pid 7790] <... set_robust_list resumed>) = 0 [pid 5012] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7790] memfd_create("syzkaller", 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7790] <... memfd_create resumed>) = 3 [pid 5009] close(4 [pid 7790] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] <... close resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./131/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7790] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] rmdir("./129/file0" [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./131/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] <... rmdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] close(3 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... close resumed>) = 0 [pid 5012] close(4) = 0 [pid 5009] rmdir("./129" [pid 5012] rmdir("./131/file0") = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5012] getdents64(3, [pid 5009] mkdir("./130", 0777 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3 [pid 5009] <... mkdir resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5012] rmdir("./131" [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5012] <... rmdir resumed>) = 0 [pid 5012] mkdir("./132", 0777 [pid 5009] <... openat resumed>) = 3 [pid 5012] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5012] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] close(3 [pid 5009] close(3 [pid 5012] <... close resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7791 [pid 5009] <... close resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7791 attached [pid 7791] set_robust_list(0x555556dec5e0, 24 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7792 [pid 7791] <... set_robust_list resumed>) = 0 [pid 7791] chdir("./132") = 0 [pid 7791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7791] setpgid(0, 0./strace-static-x86_64: Process 7792 attached ) = 0 [pid 7791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7792] set_robust_list(0x555556dec5e0, 24 [pid 7791] <... openat resumed>) = 3 [pid 7792] <... set_robust_list resumed>) = 0 [pid 7791] write(3, "1000", 4 [pid 7792] chdir("./130" [pid 7791] <... write resumed>) = 4 [pid 7792] <... chdir resumed>) = 0 [pid 7791] close(3 [pid 7792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7791] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 7792] <... prctl resumed>) = 0 [pid 7791] symlink("/dev/binderfs", "./binderfs" [pid 7792] setpgid(0, 0 [pid 7791] <... symlink resumed>) = 0 [pid 5008] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7792] <... setpgid resumed>) = 0 [pid 7791] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7791] <... futex resumed>) = 0 [pid 5008] lstat("./129/file0", [pid 7792] <... openat resumed>) = 3 [pid 7791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7792] write(3, "1000", 4 [pid 7791] <... mmap resumed>) = 0x7f76b0b56000 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7792] <... write resumed>) = 4 [pid 7791] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7792] close(3 [pid 7791] <... mprotect resumed>) = 0 [pid 5008] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7792] <... close resumed>) = 0 [pid 7791] clone(child_stack=0x7f76b0b763f0, 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 7792] symlink("/dev/binderfs", "./binderfs" [pid 5008] openat(AT_FDCWD, "./129/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7791] <... clone resumed>, parent_tid=[7793], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7793 [pid 7792] <... symlink resumed>) = 0 [pid 7792] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7791] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 4 [pid 7792] <... futex resumed>) = 0 [pid 7791] <... futex resumed>) = 0 [pid 5008] fstat(4, [pid 7792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7791] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7792] <... mmap resumed>) = 0x7f76b0b56000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7793 attached [pid 7792] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5008] getdents64(4, [pid 7793] set_robust_list(0x7f76b0b769e0, 24 [pid 7792] <... mprotect resumed>) = 0 [pid 7790] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7793] <... set_robust_list resumed>) = 0 [pid 7792] clone(child_stack=0x7f76b0b763f0, 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>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7793] memfd_create("syzkaller", 0 [pid 5008] getdents64(4, [pid 7793] <... memfd_create resumed>) = 3 [pid 7792] <... clone resumed>, parent_tid=[7794], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7794 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7793] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7792] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] close(4 [pid 7793] <... mmap resumed>) = 0x7f76a8756000 [pid 7792] <... futex resumed>) = 0 [pid 7792] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... close resumed>) = 0 ./strace-static-x86_64: Process 7794 attached [pid 5008] rmdir("./129/file0") = 0 [pid 7794] set_robust_list(0x7f76b0b769e0, 24 [pid 5008] getdents64(3, [pid 7794] <... set_robust_list resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 7794] memfd_create("syzkaller", 0 [pid 5008] <... close resumed>) = 0 [pid 7794] <... memfd_create resumed>) = 3 [pid 5008] rmdir("./129" [pid 7794] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] mkdir("./130", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", 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=0x555556dec5d0) = 7795 ./strace-static-x86_64: Process 7795 attached [pid 7795] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7793] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7788] <... write resumed>) = 4194304 [pid 7795] chdir("./130" [pid 7788] munmap(0x7f76a8756000, 4194304 [pid 7795] <... chdir resumed>) = 0 [pid 7788] <... munmap resumed>) = 0 [pid 7795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7788] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7795] <... prctl resumed>) = 0 [pid 7788] <... openat resumed>) = 4 [pid 7795] setpgid(0, 0) = 0 [pid 7788] ioctl(4, LOOP_SET_FD, 3 [pid 7795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7788] <... ioctl resumed>) = 0 [pid 7795] <... openat resumed>) = 3 [pid 7795] write(3, "1000", 4) = 4 [pid 7795] close(3) = 0 [pid 7795] symlink("/dev/binderfs", "./binderfs" [pid 7788] close(3 [pid 7795] <... symlink resumed>) = 0 [pid 7795] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7788] <... close resumed>) = 0 [pid 7795] <... futex resumed>) = 0 [pid 7795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7788] mkdir("./file0", 0777 [pid 7795] <... mmap resumed>) = 0x7f76b0b56000 [pid 7795] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7795] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7796], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7796 [pid 7795] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7788] <... mkdir resumed>) = 0 [pid 7795] <... futex resumed>) = 0 [pid 7795] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7788] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7796 attached [pid 7796] set_robust_list(0x7f76b0b769e0, 24 [pid 7794] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7796] <... set_robust_list resumed>) = 0 [pid 7796] memfd_create("syzkaller", 0) = 3 [pid 7796] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 262.455643][ T7788] loop2: detected capacity change from 0 to 8192 [ 262.489856][ T7788] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7790] <... write resumed>) = 4194304 [pid 7790] munmap(0x7f76a8756000, 4194304) = 0 [pid 7790] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7790] ioctl(4, LOOP_SET_FD, 3) = 0 [ 262.507077][ T7788] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 262.520807][ T7788] REISERFS (device loop2): using ordered data mode [ 262.528950][ T7788] reiserfs: using flush barriers [ 262.534735][ T7790] loop3: detected capacity change from 0 to 8192 [pid 7790] close(3 [pid 7793] <... write resumed>) = 4194304 [pid 7790] <... close resumed>) = 0 [pid 7793] munmap(0x7f76a8756000, 4194304 [pid 7790] mkdir("./file0", 0777 [pid 7793] <... munmap resumed>) = 0 [pid 7790] <... mkdir resumed>) = 0 [pid 7793] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7790] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7793] <... openat resumed>) = 4 [pid 7793] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7793] close(3) = 0 [pid 7793] mkdir("./file0", 0777) = 0 [ 262.553565][ T7788] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 262.570528][ T7788] REISERFS (device loop2): checking transaction log (loop2) [ 262.579288][ T7788] REISERFS (device loop2): Using r5 hash to sort names [ 262.583255][ T7793] loop4: detected capacity change from 0 to 8192 [ 262.587254][ T7788] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7793] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7788] <... mount resumed>) = 0 [pid 7788] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 262.606380][ T7790] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 262.606495][ T7788] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 262.625869][ T7793] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 262.629031][ T7790] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 262.651111][ T7790] REISERFS (device loop3): using ordered data mode [pid 7788] chdir("./file0") = 0 [pid 7796] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7788] ioctl(4, LOOP_CLR_FD [pid 7794] <... write resumed>) = 4194304 [pid 7788] <... ioctl resumed>) = 0 [ 262.657932][ T7790] reiserfs: using flush barriers [ 262.664363][ T7793] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 262.673968][ T7790] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 262.690308][ T7793] REISERFS (device loop4): using ordered data mode [ 262.697328][ T7790] REISERFS (device loop3): checking transaction log (loop3) [pid 7794] munmap(0x7f76a8756000, 4194304 [pid 7788] close(4) = 0 [pid 7788] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7794] <... munmap resumed>) = 0 [pid 7788] <... futex resumed>) = 1 [pid 7787] <... futex resumed>) = 0 [pid 7787] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7787] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7794] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7794] ioctl(4, LOOP_SET_FD, 3 [ 262.705169][ T7793] reiserfs: using flush barriers [ 262.711467][ T7790] REISERFS (device loop3): Using r5 hash to sort names [ 262.727324][ T7793] 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 [ 262.737892][ T7794] loop1: detected capacity change from 0 to 8192 [pid 7788] mkdir("./file1", 000) = 0 [pid 7788] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7787] <... futex resumed>) = 0 [pid 7788] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7787] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7787] <... futex resumed>) = 0 [pid 7788] mkdir("./bus", 000 [pid 7787] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7788] <... mkdir resumed>) = 0 [pid 7788] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7787] <... futex resumed>) = 0 [pid 7788] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7787] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7787] <... futex resumed>) = 0 [pid 7788] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7787] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7794] <... ioctl resumed>) = 0 [pid 7794] close(3) = 0 [pid 7794] mkdir("./file0", 0777) = 0 [ 262.743991][ T7790] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 262.776258][ T7788] overlayfs: upper fs needs to support d_type. [ 262.782698][ T7788] overlayfs: upper fs does not support tmpfile. [ 262.791958][ T7788] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7794] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7787] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7787] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7796] <... write resumed>) = 4194304 [pid 7787] <... futex resumed>) = 0 [pid 7796] munmap(0x7f76a8756000, 4194304 [pid 7787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7787] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7796] <... munmap resumed>) = 0 [pid 7796] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7787] <... mprotect resumed>) = 0 [pid 7790] <... mount resumed>) = 0 [ 262.801179][ T7794] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 262.801598][ T7793] REISERFS (device loop4): checking transaction log (loop4) [ 262.831801][ T7790] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 262.844263][ T7788] overlayfs: failed to resolve './file0': -2 [pid 7796] ioctl(4, LOOP_SET_FD, 3 [pid 7790] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7788] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7787] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7790] <... openat resumed>) = 3 [pid 7788] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] chdir("./file0" [pid 7788] <... futex resumed>) = 0 [pid 7787] <... clone resumed>, parent_tid=[7801], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7801 [pid 7790] <... chdir resumed>) = 0 [pid 7788] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7787] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] ioctl(4, LOOP_CLR_FD [pid 7787] <... futex resumed>) = 0 [pid 7790] <... ioctl resumed>) = 0 [pid 7787] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7790] close(4) = 0 ./strace-static-x86_64: Process 7801 attached [pid 7796] <... ioctl resumed>) = 0 [pid 7790] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7789] <... futex resumed>) = 0 [pid 7790] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7789] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7789] <... futex resumed>) = 0 [pid 7790] mkdir("./file1", 000 [pid 7789] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7790] <... mkdir resumed>) = 0 [pid 7790] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7789] <... futex resumed>) = 0 [pid 7790] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7789] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7789] <... futex resumed>) = 0 [pid 7790] mkdir("./bus", 000 [pid 7789] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7790] <... mkdir resumed>) = 0 [pid 7790] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7789] <... futex resumed>) = 0 [pid 7790] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7789] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7789] <... futex resumed>) = 0 [pid 7790] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 262.852676][ T7794] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 262.862595][ T7794] REISERFS (device loop1): using ordered data mode [ 262.871583][ T7796] loop0: detected capacity change from 0 to 8192 [ 262.875715][ T7793] REISERFS (device loop4): Using r5 hash to sort names [ 262.878404][ T7794] reiserfs: using flush barriers [ 262.892081][ T7790] overlayfs: upper fs needs to support d_type. [pid 7789] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7801] set_robust_list(0x7f76a8b559e0, 24 [pid 7796] close(3 [pid 7801] <... set_robust_list resumed>) = 0 [pid 7796] <... close resumed>) = 0 [pid 7801] mkdir(".", 0777 [pid 7796] mkdir("./file0", 0777 [pid 7789] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7801] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7789] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7796] <... mkdir resumed>) = 0 [pid 7789] <... futex resumed>) = 0 [pid 7789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7801] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7789] <... mmap resumed>) = 0x7f76a8b35000 [ 262.893902][ T7794] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 262.904718][ T7790] overlayfs: upper fs does not support tmpfile. [ 262.916448][ T7794] REISERFS (device loop1): checking transaction log (loop1) [ 262.922754][ T7793] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 262.930718][ T7794] REISERFS (device loop1): Using r5 hash to sort names [pid 7796] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7789] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7789] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7802], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7802 [pid 7789] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7789] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7802 attached [pid 7802] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7802] mkdir(".", 0777) = -1 EEXIST (File exists) [ 262.952442][ T7794] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 262.965758][ T7801] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 262.979122][ T7794] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 262.990114][ T7796] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7802] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7794] <... mount resumed>) = 0 [pid 7801] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7801] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7787] <... futex resumed>) = 0 [pid 7787] exit_group(0 [pid 7788] <... futex resumed>) = ? [pid 7787] <... exit_group resumed>) = ? [pid 7788] +++ exited with 0 +++ [pid 7801] <... futex resumed>) = ? [pid 7801] +++ exited with 0 +++ [pid 7787] +++ exited with 0 +++ [pid 7794] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7787, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7793] <... mount resumed>) = 0 [pid 7793] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7793] chdir("./file0") = 0 [pid 7793] ioctl(4, LOOP_CLR_FD) = 0 [pid 7793] close(4 [pid 7794] <... openat resumed>) = 3 [pid 7794] chdir("./file0") = 0 [pid 5010] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7794] ioctl(4, LOOP_CLR_FD [pid 5010] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7794] <... ioctl resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 7794] close(4) = 0 [pid 5010] fstat(3, [pid 7794] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7794] <... futex resumed>) = 1 [pid 7792] <... futex resumed>) = 0 [pid 5010] getdents64(3, [pid 7802] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7794] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7793] <... close resumed>) = 0 [pid 7792] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7792] <... futex resumed>) = 0 [pid 5010] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7794] mkdir("./file1", 000 [pid 7792] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7802] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7794] <... mkdir resumed>) = 0 [pid 7793] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] lstat("./131/binderfs", [pid 7802] <... futex resumed>) = 1 [pid 7794] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7793] <... futex resumed>) = 1 [pid 7791] <... futex resumed>) = 0 [pid 7789] <... futex resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7802] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7794] <... futex resumed>) = 1 [pid 7793] mkdir("./file1", 000 [pid 7792] <... futex resumed>) = 0 [pid 7791] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] unlink("./131/binderfs" [pid 7794] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7793] <... mkdir resumed>) = 0 [pid 7792] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7791] <... futex resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 7794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 262.995614][ T7802] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 263.004001][ T7796] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 263.023543][ T7793] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 263.026645][ T7796] REISERFS (device loop0): using ordered data mode [ 263.050462][ T7790] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7793] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7792] <... futex resumed>) = 0 [pid 7791] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7794] mkdir("./bus", 000 [pid 7793] <... futex resumed>) = 0 [pid 7792] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7794] <... mkdir resumed>) = 0 [pid 7793] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7791] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7794] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7791] <... futex resumed>) = 0 [pid 7794] <... futex resumed>) = 1 [pid 7792] <... futex resumed>) = 0 [pid 7791] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7794] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7792] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7792] <... futex resumed>) = 0 [pid 7793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 263.074396][ T7790] overlayfs: failed to resolve './file0': -2 [ 263.080711][ T7796] reiserfs: using flush barriers [ 263.090005][ T7796] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 263.108756][ T7796] REISERFS (device loop0): checking transaction log (loop0) [ 263.111108][ T7794] overlayfs: upper fs needs to support d_type. [pid 7794] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7792] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7793] mkdir("./bus", 000) = 0 [pid 7793] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7791] <... futex resumed>) = 0 [pid 7790] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7791] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7791] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7793] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7790] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7789] exit_group(0 [pid 7802] <... futex resumed>) = ? [pid 7790] <... futex resumed>) = ? [pid 7789] <... exit_group resumed>) = ? [pid 7802] +++ exited with 0 +++ [ 263.123704][ T7796] REISERFS (device loop0): Using r5 hash to sort names [ 263.131790][ T7794] overlayfs: upper fs does not support tmpfile. [ 263.136985][ T7796] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 263.154061][ T7796] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 263.166488][ T7794] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7790] +++ exited with 0 +++ [pid 7789] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7789, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5011] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7792] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7792] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7792] <... futex resumed>) = 0 [pid 5011] lstat("./131/binderfs", [pid 7792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7792] <... mmap resumed>) = 0x7f76a8b35000 [pid 5011] unlink("./131/binderfs" [pid 7792] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5011] <... unlink resumed>) = 0 [pid 7792] <... mprotect resumed>) = 0 [pid 5011] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7792] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7796] <... mount resumed>) = 0 [pid 7796] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7792] <... clone resumed>, parent_tid=[7804], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7804 [pid 7791] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7792] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7791] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7796] <... openat resumed>) = 3 [pid 7792] <... futex resumed>) = 0 [pid 7791] <... futex resumed>) = 0 [pid 7796] chdir("./file0" [pid 7792] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7796] <... chdir resumed>) = 0 [pid 7791] <... mmap resumed>) = 0x7f76a8b35000 ./strace-static-x86_64: Process 7804 attached [pid 7791] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7804] set_robust_list(0x7f76a8b559e0, 24 [pid 7796] ioctl(4, LOOP_CLR_FD [pid 7791] <... mprotect resumed>) = 0 [pid 7804] <... set_robust_list resumed>) = 0 [pid 7791] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7804] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7791] <... clone resumed>, parent_tid=[7805], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7805 [pid 7804] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7791] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7791] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7805 attached [pid 7805] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7805] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7805] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7796] <... ioctl resumed>) = 0 [pid 7793] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7796] close(4 [pid 7793] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7796] <... close resumed>) = 0 [pid 7796] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7793] <... futex resumed>) = 0 [pid 7796] <... futex resumed>) = 1 [pid 7795] <... futex resumed>) = 0 [pid 7793] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7796] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7795] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7795] <... futex resumed>) = 0 [pid 7796] mkdir("./file1", 000 [pid 7795] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7796] <... mkdir resumed>) = 0 [pid 7796] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7795] <... futex resumed>) = 0 [pid 7796] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7795] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7795] <... futex resumed>) = 0 [pid 7796] mkdir("./bus", 000 [pid 7795] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7796] <... mkdir resumed>) = 0 [pid 7796] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7795] <... futex resumed>) = 0 [pid 7796] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 263.170118][ T7793] overlayfs: upper fs needs to support d_type. [ 263.180811][ T7793] overlayfs: upper fs does not support tmpfile. [ 263.189639][ T7793] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 263.199075][ T7793] overlayfs: failed to resolve './file0': -2 [pid 7795] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7795] <... futex resumed>) = 0 [pid 7796] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 263.250092][ T7805] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 263.266158][ T7794] overlayfs: failed to resolve './file0': -2 [ 263.286427][ T7804] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7795] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7794] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7794] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7794] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7804] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7804] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7792] <... futex resumed>) = 0 [pid 7792] exit_group(0) = ? [pid 7804] <... futex resumed>) = ? [pid 7804] +++ exited with 0 +++ [pid 5010] <... umount2 resumed>) = 0 [pid 7805] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7805] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7791] <... futex resumed>) = 0 [pid 7791] exit_group(0) = ? [pid 7805] <... futex resumed>) = ? [pid 7805] +++ exited with 0 +++ [pid 7794] <... futex resumed>) = ? [pid 5010] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7795] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7793] <... futex resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./131/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7795] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7794] +++ exited with 0 +++ [pid 7792] +++ exited with 0 +++ [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./131/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7793] +++ exited with 0 +++ [pid 7791] +++ exited with 0 +++ [pid 5010] <... openat resumed>) = 4 [pid 7795] <... futex resumed>) = 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7791, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7792, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 7795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] fstat(4, [pid 7795] <... mmap resumed>) = 0x7f76a8b35000 [pid 5012] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] getdents64(4, [pid 5012] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] fstat(3, [pid 5010] getdents64(4, [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] getdents64(3, [pid 5010] close(4 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... close resumed>) = 0 [pid 5012] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] rmdir("./131/file0" [pid 7795] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... rmdir resumed>) = 0 [pid 5012] lstat("./132/binderfs", [pid 5010] getdents64(3, [pid 7795] <... mprotect resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7795] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] unlink("./132/binderfs" [pid 5010] close(3 [pid 5012] <... unlink resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7795] <... clone resumed>, parent_tid=[7806], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7806 [pid 5012] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] rmdir("./131" [pid 7795] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7795] <... futex resumed>) = 0 [pid 5010] mkdir("./132", 0777 [pid 7795] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] fstat(3, [pid 5010] <... openat resumed>) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 263.290006][ T7796] overlayfs: upper fs needs to support d_type. [ 263.334287][ T7796] overlayfs: upper fs does not support tmpfile. [pid 5010] close(3 [pid 5009] getdents64(3, [pid 5010] <... close resumed>) = 0 ./strace-static-x86_64: Process 7806 attached [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7806] set_robust_list(0x7f76a8b559e0, 24 [pid 5009] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7806] <... set_robust_list resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7807 [pid 7806] mkdir(".", 0777 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7806] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5009] lstat("./130/binderfs", [pid 7806] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7807 attached [pid 5011] <... umount2 resumed>) = 0 [pid 5009] unlink("./130/binderfs" [pid 7807] set_robust_list(0x555556dec5e0, 24 [pid 5011] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... unlink resumed>) = 0 [pid 7807] <... set_robust_list resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7807] chdir("./132" [pid 5011] lstat("./131/file0", [pid 7807] <... chdir resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7807] <... prctl resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7807] setpgid(0, 0 [pid 5011] openat(AT_FDCWD, "./131/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7807] <... setpgid resumed>) = 0 [pid 5011] <... openat resumed>) = 4 [ 263.367185][ T7796] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 263.386562][ T7796] overlayfs: failed to resolve './file0': -2 [pid 7807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] fstat(4, [pid 7807] <... openat resumed>) = 3 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7807] write(3, "1000", 4 [pid 5011] getdents64(4, [pid 7807] <... write resumed>) = 4 [pid 7806] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7806] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7795] <... futex resumed>) = 0 [pid 7806] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7807] close(3) = 0 [pid 7807] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7807] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] getdents64(4, [pid 7807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7807] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7807] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7796] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] close(4 [pid 7796] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... close resumed>) = 0 [pid 7807] <... clone resumed>, parent_tid=[7808], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7808 [pid 7796] <... futex resumed>) = 0 [pid 7795] exit_group(0 [pid 5011] rmdir("./131/file0" [pid 7807] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7806] <... futex resumed>) = ? [pid 7795] <... exit_group resumed>) = ? [pid 7807] <... futex resumed>) = 0 [pid 7806] +++ exited with 0 +++ [pid 5011] <... rmdir resumed>) = 0 [pid 7807] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7808 attached [pid 7808] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7796] +++ exited with 0 +++ [pid 7795] +++ exited with 0 +++ [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7795, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5011] close(3) = 0 [pid 5011] rmdir("./131" [pid 5008] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, [pid 5011] <... rmdir resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] mkdir("./132", 0777 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7808] memfd_create("syzkaller", 0 [pid 5008] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] <... mkdir resumed>) = 0 [pid 5008] lstat("./130/binderfs", [pid 7808] <... memfd_create resumed>) = 3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7808] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] unlink("./130/binderfs" [pid 7808] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5008] <... unlink resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 5008] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7809 ./strace-static-x86_64: Process 7809 attached [pid 7809] set_robust_list(0x555556dec5e0, 24) = 0 [ 263.410111][ T7806] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7809] chdir("./132") = 0 [pid 7809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7809] setpgid(0, 0) = 0 [pid 7809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7809] write(3, "1000", 4) = 4 [pid 7809] close(3) = 0 [pid 7809] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7809] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7809] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7809] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7810], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7810 [pid 7809] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7809] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7810 attached [pid 7810] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7810] memfd_create("syzkaller", 0) = 3 [pid 7810] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7808] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./132/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./132/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./132/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./132") = 0 [pid 5012] mkdir("./133", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5009] <... umount2 resumed>) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7811 ./strace-static-x86_64: Process 7811 attached [pid 7811] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7811] chdir("./133") = 0 [pid 5009] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7811] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7811] <... prctl resumed>) = 0 [pid 5009] lstat("./130/file0", [pid 7811] setpgid(0, 0) = 0 [pid 7811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7811] write(3, "1000", 4) = 4 [pid 5009] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7811] close(3) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7811] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5009] openat(AT_FDCWD, "./130/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7811] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7811] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 5009] <... openat resumed>) = 4 [pid 7811] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5009] fstat(4, [pid 7811] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7812 attached [pid 7811] <... clone resumed>, parent_tid=[7812], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7812 [pid 7811] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7811] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./130/file0", [pid 7812] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] getdents64(4, [pid 7812] <... set_robust_list resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./130/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7812] memfd_create("syzkaller", 0 [pid 5008] getdents64(4, [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7812] <... memfd_create resumed>) = 3 [pid 5009] close(4 [pid 5008] getdents64(4, [pid 7812] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7810] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4 [pid 7812] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] rmdir("./130/file0" [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./130/file0" [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] getdents64(3, [pid 5008] close(3) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3 [pid 5008] rmdir("./130" [pid 5009] <... close resumed>) = 0 [pid 5009] rmdir("./130" [pid 5008] <... rmdir resumed>) = 0 [pid 5008] mkdir("./131", 0777 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5009] mkdir("./131", 0777 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5009] <... mkdir resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5008] close(3 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7813 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] close(3./strace-static-x86_64: Process 7813 attached ) = 0 [pid 7813] set_robust_list(0x555556dec5e0, 24) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7813] chdir("./131") = 0 [pid 7813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7813] setpgid(0, 0) = 0 [pid 7813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7814 [pid 7813] write(3, "1000", 4) = 4 [pid 7813] close(3) = 0 [pid 7813] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7813] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7813] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7813] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7815], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7815 [pid 7813] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7813] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7815 attached [pid 7815] set_robust_list(0x7f76b0b769e0, 24) = 0 ./strace-static-x86_64: Process 7814 attached [pid 7815] memfd_create("syzkaller", 0) = 3 [pid 7814] set_robust_list(0x555556dec5e0, 24 [pid 7815] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7814] <... set_robust_list resumed>) = 0 [pid 7812] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7808] <... write resumed>) = 4194304 [pid 7814] chdir("./131" [pid 7808] munmap(0x7f76a8756000, 4194304 [pid 7814] <... chdir resumed>) = 0 [pid 7808] <... munmap resumed>) = 0 [pid 7814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7808] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7814] setpgid(0, 0 [pid 7808] <... openat resumed>) = 4 [pid 7814] <... setpgid resumed>) = 0 [pid 7814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7808] ioctl(4, LOOP_SET_FD, 3 [pid 7814] <... openat resumed>) = 3 [pid 7814] write(3, "1000", 4) = 4 [pid 7814] close(3) = 0 [pid 7814] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7814] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7814] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7814] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7816], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7816 [pid 7814] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7814] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7808] <... ioctl resumed>) = 0 [pid 7810] <... write resumed>) = 4194304 [pid 7808] close(3./strace-static-x86_64: Process 7816 attached ) = 0 [pid 7816] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7810] munmap(0x7f76a8756000, 4194304 [pid 7808] mkdir("./file0", 0777 [pid 7816] memfd_create("syzkaller", 0) = 3 [pid 7816] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7815] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7808] <... mkdir resumed>) = 0 [pid 7816] <... mmap resumed>) = 0x7f76a8756000 [pid 7808] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7810] <... munmap resumed>) = 0 [pid 7810] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 263.773362][ T7808] loop2: detected capacity change from 0 to 8192 [ 263.810118][ T7810] loop3: detected capacity change from 0 to 8192 [pid 7810] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7810] close(3) = 0 [pid 7810] mkdir("./file0", 0777) = 0 [pid 7810] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 263.818081][ T7808] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 263.845384][ T7808] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 263.855465][ T7808] REISERFS (device loop2): using ordered data mode [ 263.863351][ T7808] reiserfs: using flush barriers [pid 7816] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7812] <... write resumed>) = 4194304 [pid 7812] munmap(0x7f76a8756000, 4194304) = 0 [ 263.885931][ T7810] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 263.902397][ T7808] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 263.915311][ T7810] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 263.928499][ T7810] REISERFS (device loop3): using ordered data mode [pid 7812] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7812] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7815] <... write resumed>) = 4194304 [pid 7812] close(3) = 0 [pid 7812] mkdir("./file0", 0777) = 0 [pid 7812] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7815] munmap(0x7f76a8756000, 4194304) = 0 [ 263.935660][ T7810] reiserfs: using flush barriers [ 263.941281][ T7812] loop4: detected capacity change from 0 to 8192 [ 263.950141][ T7810] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 263.968325][ T7810] REISERFS (device loop3): checking transaction log (loop3) [ 263.970199][ T7808] REISERFS (device loop2): checking transaction log (loop2) [pid 7815] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 263.987980][ T7812] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 263.989132][ T7808] REISERFS (device loop2): Using r5 hash to sort names [ 264.009252][ T7810] REISERFS (device loop3): Using r5 hash to sort names [ 264.010358][ T7808] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 264.028581][ T7812] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7815] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7816] <... write resumed>) = 4194304 [pid 7816] munmap(0x7f76a8756000, 4194304 [pid 7815] close(3) = 0 [pid 7815] mkdir("./file0", 0777) = 0 [pid 7815] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7808] <... mount resumed>) = 0 [pid 7808] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7816] <... munmap resumed>) = 0 [pid 7816] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7816] ioctl(4, LOOP_SET_FD, 3 [pid 7808] <... openat resumed>) = 3 [pid 7816] <... ioctl resumed>) = 0 [ 264.029876][ T7815] loop0: detected capacity change from 0 to 8192 [ 264.040275][ T7810] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 264.044874][ T7808] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 264.071636][ T7812] REISERFS (device loop4): using ordered data mode [ 264.075697][ T7816] loop1: detected capacity change from 0 to 8192 [pid 7816] close(3) = 0 [pid 7816] mkdir("./file0", 0777) = 0 [pid 7816] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7808] chdir("./file0") = 0 [pid 7808] ioctl(4, LOOP_CLR_FD) = 0 [pid 7808] close(4) = 0 [pid 7808] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7807] <... futex resumed>) = 0 [pid 7808] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7807] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7807] <... futex resumed>) = 0 [pid 7808] mkdir("./file1", 000 [pid 7807] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7808] <... mkdir resumed>) = 0 [pid 7808] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 264.079880][ T7815] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 264.098489][ T7815] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 264.102191][ T7812] reiserfs: using flush barriers [ 264.108004][ T7815] REISERFS (device loop0): using ordered data mode [pid 7807] <... futex resumed>) = 0 [pid 7808] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7807] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7807] <... futex resumed>) = 0 [pid 7808] mkdir("./bus", 000 [pid 7807] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7808] <... mkdir resumed>) = 0 [pid 7810] <... mount resumed>) = 0 [pid 7808] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7810] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7808] <... futex resumed>) = 1 [pid 7807] <... futex resumed>) = 0 [pid 7810] <... openat resumed>) = 3 [pid 7808] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7807] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7810] chdir("./file0" [pid 7808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7807] <... futex resumed>) = 0 [pid 7810] <... chdir resumed>) = 0 [pid 7808] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7807] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7810] ioctl(4, LOOP_CLR_FD) = 0 [pid 7810] close(4) = 0 [pid 7810] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 264.126759][ T7816] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 264.132626][ T7815] reiserfs: using flush barriers [ 264.149637][ T7810] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 264.155683][ T7815] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 264.177585][ T7808] overlayfs: upper fs needs to support d_type. [pid 7810] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7809] <... futex resumed>) = 0 [pid 7809] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7810] <... futex resumed>) = 0 [pid 7809] <... futex resumed>) = 1 [pid 7807] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7810] mkdir("./file1", 000 [pid 7809] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7810] <... mkdir resumed>) = 0 [pid 7807] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7810] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7809] <... futex resumed>) = 0 [pid 7807] <... futex resumed>) = 0 [pid 7810] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7809] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7809] <... futex resumed>) = 0 [pid 7810] mkdir("./bus", 000 [pid 7809] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7810] <... mkdir resumed>) = 0 [pid 7807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7810] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7807] <... mmap resumed>) = 0x7f76a8b35000 [pid 7810] <... futex resumed>) = 1 [pid 7809] <... futex resumed>) = 0 [pid 7807] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7810] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7809] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7807] <... mprotect resumed>) = 0 [pid 7810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7809] <... futex resumed>) = 0 [pid 7807] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7810] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7809] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7807] <... clone resumed>, parent_tid=[7822], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7822 [ 264.184858][ T7816] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 264.194129][ T7808] overlayfs: upper fs does not support tmpfile. [ 264.194751][ T7808] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 264.203395][ T7816] REISERFS (device loop1): using ordered data mode [ 264.209393][ T7812] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 264.217165][ T7816] reiserfs: using flush barriers [pid 7807] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7807] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7822 attached [ 264.247494][ T7810] overlayfs: upper fs needs to support d_type. [ 264.254098][ T7810] overlayfs: upper fs does not support tmpfile. [ 264.256637][ T7815] REISERFS (device loop0): checking transaction log (loop0) [ 264.268296][ T7816] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 264.269466][ T7808] overlayfs: failed to resolve './file0': -2 [ 264.287411][ T7816] REISERFS (device loop1): checking transaction log (loop1) [pid 7822] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7809] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7822] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7822] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7809] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7809] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7809] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7823], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7823 [pid 7809] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7809] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7823 attached [ 264.296161][ T7810] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 264.301526][ T7812] REISERFS (device loop4): checking transaction log (loop4) [ 264.311535][ T7810] overlayfs: failed to resolve './file0': -2 [ 264.320151][ T7815] REISERFS (device loop0): Using r5 hash to sort names [ 264.320841][ T7812] REISERFS (device loop4): Using r5 hash to sort names [ 264.334637][ T7816] REISERFS (device loop1): Using r5 hash to sort names [ 264.335545][ T7812] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 264.356434][ T7815] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 264.369788][ T7812] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 264.371334][ T7816] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7823] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7812] <... mount resumed>) = 0 [pid 7823] mkdir(".", 0777 [pid 7815] <... mount resumed>) = 0 [pid 7812] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7822] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7822] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7807] <... futex resumed>) = 0 [pid 7822] <... futex resumed>) = 1 [pid 7822] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7823] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7823] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7815] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7812] <... openat resumed>) = 3 [pid 7810] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7808] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7815] chdir("./file0" [pid 7812] chdir("./file0" [pid 7810] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7807] exit_group(0 [pid 7815] <... chdir resumed>) = 0 [pid 7812] <... chdir resumed>) = 0 [pid 7810] <... futex resumed>) = 0 [pid 7808] <... futex resumed>) = 0 [pid 7812] ioctl(4, LOOP_CLR_FD [pid 7810] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7807] <... exit_group resumed>) = ? [pid 7812] <... ioctl resumed>) = 0 [pid 7808] +++ exited with 0 +++ [pid 7815] ioctl(4, LOOP_CLR_FD [pid 7812] close(4 [pid 7815] <... ioctl resumed>) = 0 [pid 7822] <... futex resumed>) = ? [pid 7816] <... mount resumed>) = 0 [pid 7815] close(4 [pid 7812] <... close resumed>) = 0 [pid 7822] +++ exited with 0 +++ [pid 7815] <... close resumed>) = 0 [pid 7807] +++ exited with 0 +++ [pid 7816] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7815] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7812] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7807, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 7816] <... openat resumed>) = 3 [pid 7815] <... futex resumed>) = 1 [pid 7813] <... futex resumed>) = 0 [pid 7816] chdir("./file0" [pid 7815] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7813] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7816] <... chdir resumed>) = 0 [pid 7815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7813] <... futex resumed>) = 0 [pid 5010] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7816] ioctl(4, LOOP_CLR_FD [pid 7815] mkdir("./file1", 000 [pid 7813] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7816] <... ioctl resumed>) = 0 [pid 7815] <... mkdir resumed>) = 0 [ 264.380159][ T7815] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 264.393543][ T7822] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 264.402697][ T7816] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5010] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7816] close(4 [pid 7815] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... openat resumed>) = 3 [pid 7816] <... close resumed>) = 0 [pid 7815] <... futex resumed>) = 1 [pid 7813] <... futex resumed>) = 0 [pid 5010] fstat(3, [pid 7816] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7815] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7813] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7816] <... futex resumed>) = 1 [pid 7815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7814] <... futex resumed>) = 0 [pid 7813] <... futex resumed>) = 0 [pid 7812] <... futex resumed>) = 1 [pid 7811] <... futex resumed>) = 0 [pid 5010] getdents64(3, [pid 7816] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7815] mkdir("./bus", 000 [pid 7814] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7813] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7812] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7811] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7815] <... mkdir resumed>) = 0 [pid 7814] <... futex resumed>) = 0 [pid 7812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7811] <... futex resumed>) = 0 [pid 5010] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7816] mkdir("./file1", 000 [pid 7815] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7814] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7812] mkdir("./file1", 000 [pid 7811] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7816] <... mkdir resumed>) = 0 [pid 7815] <... futex resumed>) = 1 [pid 7813] <... futex resumed>) = 0 [pid 7812] <... mkdir resumed>) = 0 [pid 5010] lstat("./132/binderfs", [pid 7816] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7815] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7813] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7812] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7816] <... futex resumed>) = 1 [pid 7815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7814] <... futex resumed>) = 0 [pid 7813] <... futex resumed>) = 0 [pid 5010] unlink("./132/binderfs" [pid 7816] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7815] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 264.439060][ T7823] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7813] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... unlink resumed>) = 0 [pid 7814] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7812] <... futex resumed>) = 1 [pid 7811] <... futex resumed>) = 0 [pid 5010] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7816] <... futex resumed>) = 0 [pid 7814] <... futex resumed>) = 1 [pid 7812] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7811] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7816] mkdir("./bus", 000 [pid 7814] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7811] <... futex resumed>) = 0 [pid 7816] <... mkdir resumed>) = 0 [pid 7812] mkdir("./bus", 000 [pid 7811] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7823] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7816] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7823] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7816] <... futex resumed>) = 1 [pid 7814] <... futex resumed>) = 0 [pid 7812] <... mkdir resumed>) = 0 [pid 7823] <... futex resumed>) = 1 [pid 7816] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7814] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7809] <... futex resumed>) = 0 [pid 7823] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7814] <... futex resumed>) = 0 [pid 7812] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7809] exit_group(0 [pid 7823] <... futex resumed>) = ? [pid 7816] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7814] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7812] <... futex resumed>) = 1 [pid 7811] <... futex resumed>) = 0 [pid 7810] <... futex resumed>) = ? [pid 7809] <... exit_group resumed>) = ? [pid 7811] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7810] +++ exited with 0 +++ [pid 7811] <... futex resumed>) = 0 [pid 7811] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7823] +++ exited with 0 +++ [pid 7812] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7809] +++ exited with 0 +++ [pid 7813] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7813] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 264.470319][ T7815] overlayfs: upper fs needs to support d_type. [ 264.489618][ T7815] overlayfs: upper fs does not support tmpfile. [ 264.505529][ T7816] overlayfs: upper fs needs to support d_type. [ 264.511913][ T7816] overlayfs: upper fs does not support tmpfile. [pid 7813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7813] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7813] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7824], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7824 [pid 7813] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7813] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7809, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5011] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 7824 attached [pid 7824] set_robust_list(0x7f76a8b559e0, 24 [pid 5011] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7824] <... set_robust_list resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7824] mkdir(".", 0777 [pid 5011] <... openat resumed>) = 3 [pid 5011] fstat(3, [pid 7824] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7824] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5011] getdents64(3, [pid 7811] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7814] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7811] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7814] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7811] <... futex resumed>) = 0 [pid 5011] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7814] <... futex resumed>) = 0 [pid 7811] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7811] <... mmap resumed>) = 0x7f76a8b35000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7814] <... mmap resumed>) = 0x7f76a8b35000 [pid 7811] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5011] lstat("./132/binderfs", [pid 7814] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7811] <... mprotect resumed>) = 0 [ 264.520738][ T7812] overlayfs: upper fs needs to support d_type. [ 264.526222][ T7815] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 264.538694][ T7812] overlayfs: upper fs does not support tmpfile. [ 264.543289][ T7815] overlayfs: failed to resolve './file0': -2 [ 264.562688][ T7816] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7814] <... mprotect resumed>) = 0 [pid 7811] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7811] <... clone resumed>, parent_tid=[7825], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7825 [pid 7811] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7811] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] unlink("./132/binderfs" [pid 7814] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7815] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] <... unlink resumed>) = 0 [pid 7814] <... clone resumed>, parent_tid=[7826], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7826 [pid 5011] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7814] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7815] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7814] <... futex resumed>) = 0 [pid 7815] <... futex resumed>) = 0 [pid 7814] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7815] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7826 attached [pid 7826] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7826] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7826] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7824] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7824] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7813] <... futex resumed>) = 0 [pid 7813] exit_group(0 [pid 7815] <... futex resumed>) = ? [pid 7813] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7825 attached [pid 7815] +++ exited with 0 +++ [pid 7825] set_robust_list(0x7f76a8b559e0, 24 [pid 7824] <... futex resumed>) = ? [pid 7824] +++ exited with 0 +++ [pid 7813] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7813, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [ 264.570091][ T7824] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 264.570589][ T7812] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 264.589421][ T7816] overlayfs: failed to resolve './file0': -2 [pid 5008] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7825] <... set_robust_list resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7825] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5008] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7825] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [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 [ 264.627626][ T7826] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7816] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7816] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7816] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./132/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./132/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7826] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] getdents64(4, [pid 7826] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7814] <... futex resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [ 264.668411][ T7825] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7826] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7814] exit_group(0 [pid 7826] <... futex resumed>) = ? [pid 7816] <... futex resumed>) = ? [pid 7814] <... exit_group resumed>) = ? [pid 5010] getdents64(4, [pid 7826] +++ exited with 0 +++ [pid 7825] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7816] +++ exited with 0 +++ [pid 7814] +++ exited with 0 +++ [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./132/file0" [pid 7825] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... rmdir resumed>) = 0 [pid 7825] <... futex resumed>) = 1 [pid 7811] <... futex resumed>) = 0 [pid 5010] getdents64(3, [pid 7825] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7814, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5010] close(3) = 0 [pid 5010] rmdir("./132" [pid 7812] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] <... rmdir resumed>) = 0 [pid 7812] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] mkdir("./133", 0777 [pid 7812] <... futex resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7812] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7811] exit_group(0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7825] <... futex resumed>) = ? [pid 7812] <... futex resumed>) = ? [pid 7811] <... exit_group resumed>) = ? [pid 5010] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7825] +++ exited with 0 +++ [pid 7812] +++ exited with 0 +++ [pid 7811] +++ exited with 0 +++ [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7811, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=29 /* 0.29 s */} --- [pid 5010] close(3 [pid 5009] <... openat resumed>) = 3 [pid 5012] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] fstat(3, [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7827 [pid 5012] fstat(3, [pid 5009] getdents64(3, [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, [pid 5011] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./132/file0", [pid 5012] lstat("./133/binderfs", [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] lstat("./131/binderfs", ./strace-static-x86_64: Process 7827 attached [pid 5012] unlink("./133/binderfs" [pid 5011] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7827] set_robust_list(0x555556dec5e0, 24 [pid 5012] <... unlink resumed>) = 0 [ 264.744643][ T7812] overlayfs: failed to resolve './file0': -2 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7827] <... set_robust_list resumed>) = 0 [pid 5012] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] openat(AT_FDCWD, "./132/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7827] chdir("./133" [pid 5009] unlink("./131/binderfs" [pid 7827] <... chdir resumed>) = 0 [pid 7827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7827] setpgid(0, 0) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 7827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] <... openat resumed>) = 4 [pid 5009] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7827] <... openat resumed>) = 3 [pid 5011] fstat(4, [pid 7827] write(3, "1000", 4 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7827] <... write resumed>) = 4 [pid 5011] getdents64(4, [pid 7827] close(3 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7827] <... close resumed>) = 0 [pid 5011] getdents64(4, [pid 7827] symlink("/dev/binderfs", "./binderfs" [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7827] <... symlink resumed>) = 0 [pid 5011] close(4 [pid 7827] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] <... close resumed>) = 0 [pid 7827] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] rmdir("./132/file0" [pid 7827] <... mmap resumed>) = 0x7f76b0b56000 [pid 7827] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 7827] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7827] <... clone resumed>, parent_tid=[7828], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7828 [pid 5011] close(3 [pid 7827] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... close resumed>) = 0 [pid 7827] <... futex resumed>) = 0 [pid 5011] rmdir("./132" [pid 7827] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7828 attached [pid 7828] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7828] memfd_create("syzkaller", 0) = 3 [pid 5011] mkdir("./133", 0777 [pid 7828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7828] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] <... openat resumed>) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7829 [pid 5008] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./131/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./131/file0", 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, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./131/file0"./strace-static-x86_64: Process 7829 attached [pid 7829] set_robust_list(0x555556dec5e0, 24 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] getdents64(3, [pid 7829] <... set_robust_list resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7829] chdir("./133") = 0 [pid 5008] close(3 [pid 7829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7829] setpgid(0, 0 [pid 5008] <... close resumed>) = 0 [pid 7829] <... setpgid resumed>) = 0 [pid 5008] rmdir("./131" [pid 7829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5008] <... rmdir resumed>) = 0 [pid 7829] write(3, "1000", 4 [pid 5008] mkdir("./132", 0777 [pid 7829] <... write resumed>) = 4 [pid 7829] close(3) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 7829] symlink("/dev/binderfs", "./binderfs" [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7829] <... symlink resumed>) = 0 [pid 7829] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 3 [pid 7829] <... futex resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7829] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5008] close(3 [pid 7829] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7828] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7829] <... clone resumed>, parent_tid=[7830], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7830 [pid 7829] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7829] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7831 ./strace-static-x86_64: Process 7830 attached [pid 7830] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7830] memfd_create("syzkaller", 0) = 3 [pid 7830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 ./strace-static-x86_64: Process 7831 attached [pid 7831] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7831] chdir("./132") = 0 [pid 7831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7831] setpgid(0, 0) = 0 [pid 7831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5012] <... umount2 resumed>) = 0 [pid 7831] write(3, "1000", 4) = 4 [pid 7831] close(3 [pid 5012] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7831] <... close resumed>) = 0 [pid 7831] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7831] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7831] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7831] <... mprotect resumed>) = 0 [pid 5012] lstat("./133/file0", [pid 7831] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7831] <... clone resumed>, parent_tid=[7832], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7832 [pid 5012] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7831] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7831] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] openat(AT_FDCWD, "./133/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 5012] rmdir("./133/file0"./strace-static-x86_64: Process 7832 attached ) = 0 [pid 5012] getdents64(3, [pid 7832] set_robust_list(0x7f76b0b769e0, 24 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7832] <... set_robust_list resumed>) = 0 [pid 5012] close(3 [pid 7832] memfd_create("syzkaller", 0 [pid 5012] <... close resumed>) = 0 [pid 7832] <... memfd_create resumed>) = 3 [pid 5012] rmdir("./133" [pid 7832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5012] <... rmdir resumed>) = 0 [pid 5012] mkdir("./134", 0777 [pid 5009] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./131/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./131/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7830] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] getdents64(4, [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7833 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 ./strace-static-x86_64: Process 7833 attached [pid 5009] rmdir("./131/file0" [pid 7833] set_robust_list(0x555556dec5e0, 24 [pid 5009] <... rmdir resumed>) = 0 [pid 5009] getdents64(3, [pid 7833] <... set_robust_list resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7833] chdir("./134" [pid 5009] close(3 [pid 7833] <... chdir resumed>) = 0 [pid 7828] <... write resumed>) = 4194304 [pid 5009] <... close resumed>) = 0 [pid 7833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7828] munmap(0x7f76a8756000, 4194304 [pid 5009] rmdir("./131" [pid 7833] <... prctl resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 7833] setpgid(0, 0 [pid 5009] mkdir("./132", 0777 [pid 7833] <... setpgid resumed>) = 0 [pid 7828] <... munmap resumed>) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 7833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7833] <... openat resumed>) = 3 [pid 7828] <... openat resumed>) = 4 [pid 5009] <... openat resumed>) = 3 [pid 7833] write(3, "1000", 4 [pid 7828] ioctl(4, LOOP_SET_FD, 3 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 7833] <... write resumed>) = 4 [pid 7828] <... ioctl resumed>) = 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7833] close(3 [pid 7828] close(3 [pid 5009] close(3 [pid 7833] <... close resumed>) = 0 [pid 7828] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 7833] symlink("/dev/binderfs", "./binderfs" [pid 7828] mkdir("./file0", 0777 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7833] <... symlink resumed>) = 0 [pid 7832] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7828] <... mkdir resumed>) = 0 [pid 7833] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7834 ./strace-static-x86_64: Process 7834 attached [pid 7834] set_robust_list(0x555556dec5e0, 24 [pid 7828] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7833] <... futex resumed>) = 0 [pid 7833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7833] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7833] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7836], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7836 [pid 7833] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7833] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7834] <... set_robust_list resumed>) = 0 [pid 7834] chdir("./132") = 0 [pid 7834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7834] setpgid(0, 0./strace-static-x86_64: Process 7836 attached ) = 0 [pid 7836] set_robust_list(0x7f76b0b769e0, 24 [pid 7834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7836] <... set_robust_list resumed>) = 0 [pid 7834] <... openat resumed>) = 3 [pid 7834] write(3, "1000", 4) = 4 [ 265.055634][ T7828] loop2: detected capacity change from 0 to 8192 [pid 7834] close(3) = 0 [pid 7834] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7834] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7834] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7834] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7837], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7837 [pid 7834] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7834] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7836] memfd_create("syzkaller", 0) = 3 [pid 7836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 7837 attached ) = 0x7f76a8756000 [pid 7837] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7837] memfd_create("syzkaller", 0) = 3 [pid 7837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7830] <... write resumed>) = 4194304 [ 265.114161][ T7828] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 265.154248][ T7828] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7830] munmap(0x7f76a8756000, 4194304 [pid 7832] <... write resumed>) = 4194304 [pid 7832] munmap(0x7f76a8756000, 4194304) = 0 [pid 7830] <... munmap resumed>) = 0 [pid 7830] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7830] ioctl(4, LOOP_SET_FD, 3 [pid 7832] ioctl(4, LOOP_SET_FD, 3 [pid 7836] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7832] <... ioctl resumed>) = 0 [pid 7830] <... ioctl resumed>) = 0 [pid 7832] close(3 [pid 7830] close(3 [pid 7832] <... close resumed>) = 0 [pid 7830] <... close resumed>) = 0 [pid 7832] mkdir("./file0", 0777 [pid 7830] mkdir("./file0", 0777 [pid 7832] <... mkdir resumed>) = 0 [pid 7830] <... mkdir resumed>) = 0 [pid 7832] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 265.199831][ T7828] REISERFS (device loop2): using ordered data mode [ 265.213630][ T7830] loop3: detected capacity change from 0 to 8192 [ 265.214513][ T7832] loop0: detected capacity change from 0 to 8192 [ 265.226634][ T7828] reiserfs: using flush barriers [ 265.233081][ T7828] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.256344][ T7828] REISERFS (device loop2): checking transaction log (loop2) [ 265.264383][ T7832] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 265.264391][ T7830] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 265.264426][ T7830] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7830] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 265.285281][ T7832] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 265.322247][ T7828] REISERFS (device loop2): Using r5 hash to sort names [ 265.339291][ T7828] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7837] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7836] <... write resumed>) = 4194304 [pid 7836] munmap(0x7f76a8756000, 4194304) = 0 [pid 7836] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7828] <... mount resumed>) = 0 [pid 7836] <... openat resumed>) = 4 [pid 7828] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7836] ioctl(4, LOOP_SET_FD, 3 [pid 7828] chdir("./file0") = 0 [ 265.352326][ T7830] REISERFS (device loop3): using ordered data mode [ 265.352475][ T7832] REISERFS (device loop0): using ordered data mode [ 265.366172][ T7828] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 265.376522][ T7830] reiserfs: using flush barriers [ 265.378305][ T7832] reiserfs: using flush barriers [ 265.391142][ T7836] loop4: detected capacity change from 0 to 8192 [pid 7828] ioctl(4, LOOP_CLR_FD) = 0 [pid 7828] close(4 [pid 7836] <... ioctl resumed>) = 0 [pid 7836] close(3 [pid 7828] <... close resumed>) = 0 [pid 7837] <... write resumed>) = 4194304 [pid 7837] munmap(0x7f76a8756000, 4194304 [pid 7836] <... close resumed>) = 0 [pid 7828] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7837] <... munmap resumed>) = 0 [pid 7836] mkdir("./file0", 0777 [pid 7828] <... futex resumed>) = 1 [pid 7827] <... futex resumed>) = 0 [pid 7836] <... mkdir resumed>) = 0 [pid 7828] mkdir("./file1", 000 [pid 7827] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7828] <... mkdir resumed>) = 0 [pid 7827] <... futex resumed>) = 0 [pid 7836] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7837] <... openat resumed>) = 4 [pid 7828] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7827] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 265.399337][ T7832] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.416465][ T7830] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.433012][ T7832] REISERFS (device loop0): checking transaction log (loop0) [pid 7837] ioctl(4, LOOP_SET_FD, 3 [pid 7828] <... futex resumed>) = 0 [pid 7827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7828] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7827] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7837] <... ioctl resumed>) = 0 [pid 7837] close(3) = 0 [pid 7837] mkdir("./file0", 0777) = 0 [pid 7837] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7827] <... futex resumed>) = 0 [pid 7828] mkdir("./bus", 000 [pid 7827] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7828] <... mkdir resumed>) = 0 [pid 7828] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7827] <... futex resumed>) = 0 [pid 7827] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7828] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7827] <... futex resumed>) = 0 [ 265.454114][ T7837] loop1: detected capacity change from 0 to 8192 [ 265.462249][ T7830] REISERFS (device loop3): checking transaction log (loop3) [ 265.464708][ T7836] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 265.488108][ T7830] REISERFS (device loop3): Using r5 hash to sort names [ 265.489859][ T7828] overlayfs: upper fs needs to support d_type. [ 265.496796][ T7830] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 265.515450][ T7828] overlayfs: upper fs does not support tmpfile. [ 265.516324][ T7832] REISERFS (device loop0): Using r5 hash to sort names [ 265.522482][ T7828] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 265.528677][ T7837] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 265.537105][ T7828] overlayfs: failed to resolve './file0': -2 [pid 7827] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7830] <... mount resumed>) = 0 [pid 7828] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7827] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7828] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7827] <... futex resumed>) = 0 [pid 7828] <... futex resumed>) = 0 [pid 7827] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7828] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7827] <... mmap resumed>) = 0x7f76a8b35000 [pid 7827] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7827] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7830] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7827] <... clone resumed>, parent_tid=[7842], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7842 [pid 7827] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 265.562130][ T7836] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 265.565541][ T7830] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 265.574036][ T7832] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 265.581175][ T7837] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 265.602961][ T7837] REISERFS (device loop1): using ordered data mode [pid 7827] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7830] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7842 attached [pid 7842] set_robust_list(0x7f76a8b559e0, 24 [pid 7830] chdir("./file0") = 0 [pid 7842] <... set_robust_list resumed>) = 0 [pid 7842] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7842] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7830] ioctl(4, LOOP_CLR_FD) = 0 [ 265.609026][ T7836] REISERFS (device loop4): using ordered data mode [ 265.609850][ T7837] reiserfs: using flush barriers [ 265.622603][ T7837] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.628900][ T7836] reiserfs: using flush barriers [ 265.640043][ T7837] REISERFS (device loop1): checking transaction log (loop1) [ 265.648474][ T7832] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7830] close(4) = 0 [ 265.653241][ T7837] REISERFS (device loop1): Using r5 hash to sort names [ 265.671844][ T7837] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 265.677781][ T7842] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7830] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7829] <... futex resumed>) = 0 [pid 7830] mkdir("./file1", 000 [pid 7829] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7830] <... mkdir resumed>) = 0 [pid 7829] <... futex resumed>) = 0 [pid 7830] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7829] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7830] <... futex resumed>) = 0 [pid 7829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7830] mkdir("./bus", 000 [pid 7829] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7830] <... mkdir resumed>) = 0 [pid 7829] <... futex resumed>) = 0 [pid 7830] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7829] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7830] <... futex resumed>) = 0 [pid 7829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7830] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7829] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7829] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7837] <... mount resumed>) = 0 [pid 7837] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7832] <... mount resumed>) = 0 [pid 7832] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7832] chdir("./file0") = 0 [pid 7832] ioctl(4, LOOP_CLR_FD) = 0 [pid 7832] close(4) = 0 [pid 7837] <... openat resumed>) = 3 [pid 7837] chdir("./file0") = 0 [pid 7832] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7832] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7831] <... futex resumed>) = 0 [pid 7831] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7837] ioctl(4, LOOP_CLR_FD [pid 7831] <... futex resumed>) = 1 [pid 7831] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7837] <... ioctl resumed>) = 0 [pid 7837] close(4) = 0 [pid 7832] <... futex resumed>) = 0 [pid 7832] mkdir("./file1", 000) = 0 [pid 7832] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7837] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7832] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7831] <... futex resumed>) = 0 [pid 7837] <... futex resumed>) = 1 [pid 7834] <... futex resumed>) = 0 [pid 7831] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7837] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7834] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7831] <... futex resumed>) = 0 [pid 7837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7834] <... futex resumed>) = 0 [ 265.684722][ T7836] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.703844][ T7830] overlayfs: upper fs needs to support d_type. [ 265.715025][ T7837] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 265.731824][ T7836] REISERFS (device loop4): checking transaction log (loop4) [ 265.756677][ T7830] overlayfs: upper fs does not support tmpfile. [pid 7831] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7829] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7842] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7837] mkdir("./file1", 000 [pid 7834] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7829] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7832] mkdir("./bus", 000 [pid 7829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7832] <... mkdir resumed>) = 0 [pid 7829] <... mmap resumed>) = 0x7f76a8b35000 [pid 7842] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7829] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7842] <... futex resumed>) = 1 [pid 7837] <... mkdir resumed>) = 0 [pid 7832] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7829] <... mprotect resumed>) = 0 [pid 7827] <... futex resumed>) = 0 [pid 7832] <... futex resumed>) = 1 [pid 7829] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7832] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7829] <... clone resumed>, parent_tid=[7843], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7843 [pid 7829] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7829] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7831] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7843 attached [pid 7843] set_robust_list(0x7f76a8b559e0, 24 [pid 7827] exit_group(0 [pid 7843] <... set_robust_list resumed>) = 0 [pid 7831] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7828] <... futex resumed>) = ? [pid 7827] <... exit_group resumed>) = ? [pid 7831] <... futex resumed>) = 1 [pid 7828] +++ exited with 0 +++ [pid 7831] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7842] +++ exited with 0 +++ [pid 7832] <... futex resumed>) = 0 [pid 7832] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7837] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7827] +++ exited with 0 +++ [pid 7843] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7843] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7837] <... futex resumed>) = 1 [pid 7834] <... futex resumed>) = 0 [pid 7834] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7827, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7837] mkdir("./bus", 000 [pid 7834] <... futex resumed>) = 0 [pid 7834] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7837] <... mkdir resumed>) = 0 [pid 7837] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7837] <... futex resumed>) = 1 [pid 7834] <... futex resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7834] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 265.763647][ T7830] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 265.773800][ T7836] REISERFS (device loop4): Using r5 hash to sort names [ 265.783845][ T7832] overlayfs: upper fs needs to support d_type. [ 265.785702][ T7836] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7834] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7837] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 5010] <... openat resumed>) = 3 [pid 7836] <... mount resumed>) = 0 [pid 7831] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] fstat(3, [pid 7843] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7843] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7829] <... futex resumed>) = 0 [pid 7843] <... futex resumed>) = 1 [pid 7843] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7831] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 265.810078][ T7843] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 265.811378][ T7836] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 265.824169][ T7832] overlayfs: upper fs does not support tmpfile. [ 265.839961][ T7837] overlayfs: upper fs needs to support d_type. [ 265.841834][ T7832] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 265.848921][ T7830] overlayfs: failed to resolve './file0': -2 [pid 7836] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7831] <... futex resumed>) = 0 [pid 5010] getdents64(3, [pid 7834] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7834] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7834] <... futex resumed>) = 0 [pid 7834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7831] <... mmap resumed>) = 0x7f76a8b35000 [pid 5010] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7831] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7834] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7834] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7844], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7844 [pid 7834] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7834] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7844 attached [pid 7831] <... mprotect resumed>) = 0 [pid 5010] lstat("./133/binderfs", [pid 7831] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./133/binderfs" [pid 7844] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5010] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7831] <... clone resumed>, parent_tid=[7845], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7845 [pid 7844] mkdir(".", 0777 [pid 7831] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7831] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7836] <... openat resumed>) = 3 [pid 7844] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7844] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7836] chdir("./file0") = 0 [pid 7836] ioctl(4, LOOP_CLR_FD) = 0 [pid 7836] close(4) = 0 [pid 7836] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7833] <... futex resumed>) = 0 [pid 7836] mkdir("./file1", 000 [pid 7833] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7836] <... mkdir resumed>) = 0 [pid 7833] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7836] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7833] <... futex resumed>) = 0 [pid 7836] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7845 attached [pid 7833] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7836] mkdir("./bus", 000 [pid 7845] set_robust_list(0x7f76a8b559e0, 24 [pid 7833] <... futex resumed>) = 0 [pid 7845] <... set_robust_list resumed>) = 0 [pid 7833] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7845] mkdir(".", 0777 [pid 7836] <... mkdir resumed>) = 0 [pid 7845] <... mkdir resumed>) = -1 EEXIST (File exists) [ 265.856012][ T7832] overlayfs: failed to resolve './file0': -2 [pid 7836] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7845] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7836] <... futex resumed>) = 1 [pid 7833] <... futex resumed>) = 0 [pid 7836] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7833] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7833] <... futex resumed>) = 0 [pid 7836] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 265.895959][ T7837] overlayfs: upper fs does not support tmpfile. [ 265.909421][ T7844] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 265.926701][ T7845] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7833] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7844] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7844] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7834] <... futex resumed>) = 0 [pid 7832] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7830] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7832] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7830] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7832] <... futex resumed>) = 0 [pid 7830] <... futex resumed>) = 0 [pid 7832] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7830] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7829] exit_group(0 [pid 7843] <... futex resumed>) = ? [pid 7830] <... futex resumed>) = ? [pid 7829] <... exit_group resumed>) = ? [pid 7843] +++ exited with 0 +++ [pid 7830] +++ exited with 0 +++ [pid 7829] +++ exited with 0 +++ [pid 7844] <... futex resumed>) = 1 [pid 7844] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7845] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7845] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7831] <... futex resumed>) = 0 [pid 7831] exit_group(0 [pid 7832] <... futex resumed>) = ? [pid 7831] <... exit_group resumed>) = ? [pid 7832] +++ exited with 0 +++ [pid 7845] <... futex resumed>) = ? [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7829, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 7845] +++ exited with 0 +++ [pid 7831] +++ exited with 0 +++ [pid 5011] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7831, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5011] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] getdents64(3, [pid 5008] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] fstat(3, [pid 5011] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./133/binderfs", [pid 5008] getdents64(3, [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] unlink("./133/binderfs" [pid 5008] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./132/binderfs") = 0 [pid 7833] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7833] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [ 265.943469][ T7837] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 265.955922][ T7836] overlayfs: upper fs needs to support d_type. [ 265.977637][ T7836] overlayfs: upper fs does not support tmpfile. [pid 7833] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7833] clone(child_stack=0x7f76a8b553f0, 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 7846 attached , parent_tid=[7846], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7846 [pid 7846] set_robust_list(0x7f76a8b559e0, 24 [pid 7833] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7833] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7846] <... set_robust_list resumed>) = 0 [pid 7846] mkdir(".", 0777) = -1 EEXIST (File exists) [ 266.002310][ T7837] overlayfs: failed to resolve './file0': -2 [ 266.031434][ T7836] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7846] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7837] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7837] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7834] exit_group(0 [pid 7844] <... futex resumed>) = ? [pid 7834] <... exit_group resumed>) = ? [pid 7844] +++ exited with 0 +++ [pid 7837] <... futex resumed>) = ? [pid 7837] +++ exited with 0 +++ [pid 7834] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7834, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=30 /* 0.30 s */} --- [pid 5009] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./132/binderfs") = 0 [ 266.046499][ T7846] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5009] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./133/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./133/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7846] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7846] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7833] <... futex resumed>) = 0 [pid 5010] getdents64(4, [pid 7846] <... futex resumed>) = 1 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7846] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./133/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./133") = 0 [pid 7836] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7836] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] mkdir("./134", 0777 [pid 7833] exit_group(0 [pid 7846] <... futex resumed>) = ? [pid 7833] <... exit_group resumed>) = ? [pid 7846] +++ exited with 0 +++ [pid 7836] <... futex resumed>) = ? [pid 5010] <... mkdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7836] +++ exited with 0 +++ [pid 7833] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7833, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5010] <... openat resumed>) = 3 [pid 5012] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 266.136636][ T7836] overlayfs: failed to resolve './file0': -2 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] <... umount2 resumed>) = 0 [pid 5012] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] close(3 [pid 5008] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, [pid 5010] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./134/binderfs") = 0 [pid 5012] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] lstat("./132/file0", [pid 5011] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./133/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./133/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./133/file0") = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./133") = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7847 [pid 5008] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] mkdir("./134", 0777 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./132/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... mkdir resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5008] fstat(4, [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 5011] close(3 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] <... close resumed>) = 0 [pid 5008] close(4 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./132/file0"./strace-static-x86_64: Process 7848 attached ./strace-static-x86_64: Process 7847 attached [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7848 [pid 5009] <... umount2 resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] getdents64(3, [pid 5009] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7848] set_robust_list(0x555556dec5e0, 24 [pid 7847] set_robust_list(0x555556dec5e0, 24 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7848] <... set_robust_list resumed>) = 0 [pid 7847] <... set_robust_list resumed>) = 0 [pid 5009] lstat("./132/file0", [pid 5008] close(3 [pid 7848] chdir("./134" [pid 7847] chdir("./134" [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... close resumed>) = 0 [pid 7848] <... chdir resumed>) = 0 [pid 7847] <... chdir resumed>) = 0 [pid 5009] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] rmdir("./132" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... rmdir resumed>) = 0 [pid 7847] <... prctl resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./132/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7848] <... prctl resumed>) = 0 [pid 7847] setpgid(0, 0 [pid 5008] mkdir("./133", 0777 [pid 5009] <... openat resumed>) = 4 [pid 7848] setpgid(0, 0 [pid 7847] <... setpgid resumed>) = 0 [pid 5009] fstat(4, [pid 7848] <... setpgid resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 7847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7847] <... openat resumed>) = 3 [pid 5009] getdents64(4, [pid 7848] <... openat resumed>) = 3 [pid 7848] write(3, "1000", 4 [pid 7847] write(3, "1000", 4 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7848] <... write resumed>) = 4 [pid 7847] <... write resumed>) = 4 [pid 5009] getdents64(4, [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7848] close(3 [pid 7847] close(3 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7848] <... close resumed>) = 0 [pid 5009] close(4 [pid 7847] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 7848] symlink("/dev/binderfs", "./binderfs" [pid 7847] symlink("/dev/binderfs", "./binderfs" [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5009] rmdir("./132/file0" [pid 7848] <... symlink resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 7847] <... symlink resumed>) = 0 [pid 7848] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] getdents64(3, [pid 7847] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7848] <... futex resumed>) = 0 [pid 7847] <... futex resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 7848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] close(3 [pid 5008] <... close resumed>) = 0 [pid 7848] <... mmap resumed>) = 0x7f76b0b56000 [pid 7847] <... mmap resumed>) = 0x7f76b0b56000 [pid 5009] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7848] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7847] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] rmdir("./132" [pid 7848] <... mprotect resumed>) = 0 [pid 7847] <... mprotect resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7849 attached [pid 7848] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7847] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] mkdir("./133", 0777 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7849 [pid 7849] set_robust_list(0x555556dec5e0, 24 [pid 5009] <... mkdir resumed>) = 0 [pid 7849] <... set_robust_list resumed>) = 0 [pid 7848] <... clone resumed>, parent_tid=[7850], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7850 [pid 7847] <... clone resumed>, parent_tid=[7851], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7851 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7849] chdir("./133" [pid 7848] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7847] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... openat resumed>) = 3 [pid 7849] <... chdir resumed>) = 0 [pid 7848] <... futex resumed>) = 0 [pid 7847] <... futex resumed>) = 0 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 7849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7848] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7847] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7849] <... prctl resumed>) = 0 [pid 5009] close(3 [pid 7849] setpgid(0, 0 [pid 5009] <... close resumed>) = 0 [pid 7849] <... setpgid resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7852 [pid 7849] write(3, "1000", 4) = 4 [pid 7849] close(3) = 0 [pid 7849] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7849] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7849] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7849] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7853], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7853 ./strace-static-x86_64: Process 7851 attached [pid 7849] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7851] set_robust_list(0x7f76b0b769e0, 24 [pid 7849] <... futex resumed>) = 0 [pid 7849] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7851] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7850 attached [pid 7851] memfd_create("syzkaller", 0) = 3 [pid 7850] set_robust_list(0x7f76b0b769e0, 24 [pid 7851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7850] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7853 attached [pid 7853] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7851] <... mmap resumed>) = 0x7f76a8756000 [pid 7853] memfd_create("syzkaller", 0 [pid 7850] memfd_create("syzkaller", 0 [pid 7853] <... memfd_create resumed>) = 3 [pid 7853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 ./strace-static-x86_64: Process 7852 attached [pid 7850] <... memfd_create resumed>) = 3 [pid 7850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7852] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7850] <... mmap resumed>) = 0x7f76a8756000 [pid 7852] chdir("./133") = 0 [pid 7852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7852] setpgid(0, 0) = 0 [pid 7852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7852] write(3, "1000", 4) = 4 [pid 7852] close(3) = 0 [pid 7852] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7852] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 5012] <... umount2 resumed>) = 0 [pid 7852] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5012] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7852] <... mprotect resumed>) = 0 [pid 5012] lstat("./134/file0", [pid 7852] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7854], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7854 [pid 7852] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7852] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./134/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./134/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./134") = 0 [pid 5012] mkdir("./135", 0777./strace-static-x86_64: Process 7854 attached ) = 0 [pid 7854] set_robust_list(0x7f76b0b769e0, 24 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7854] <... set_robust_list resumed>) = 0 [pid 7854] memfd_create("syzkaller", 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7855 [pid 7854] <... memfd_create resumed>) = 3 [pid 7854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 ./strace-static-x86_64: Process 7855 attached [pid 7855] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7855] chdir("./135") = 0 [pid 7855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7853] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7855] <... prctl resumed>) = 0 [pid 7855] setpgid(0, 0) = 0 [pid 7855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7855] write(3, "1000", 4) = 4 [pid 7855] close(3) = 0 [pid 7855] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7855] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7855] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7855] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7856], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7856 [pid 7855] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7855] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 7856 attached [pid 7856] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7851] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7856] memfd_create("syzkaller", 0) = 3 [pid 7856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7854] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7856] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7853] <... write resumed>) = 4194304 [pid 7853] munmap(0x7f76a8756000, 4194304 [pid 7851] <... write resumed>) = 4194304 [pid 7853] <... munmap resumed>) = 0 [pid 7853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7851] munmap(0x7f76a8756000, 4194304 [pid 7850] <... write resumed>) = 4194304 [pid 7853] ioctl(4, LOOP_SET_FD, 3 [pid 7854] <... write resumed>) = 4194304 [pid 7851] <... munmap resumed>) = 0 [pid 7850] munmap(0x7f76a8756000, 4194304 [pid 7854] munmap(0x7f76a8756000, 4194304 [pid 7851] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7853] <... ioctl resumed>) = 0 [pid 7850] <... munmap resumed>) = 0 [pid 7851] <... openat resumed>) = 4 [pid 7853] close(3) = 0 [pid 7854] <... munmap resumed>) = 0 [pid 7851] ioctl(4, LOOP_SET_FD, 3 [pid 7850] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7854] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7853] mkdir("./file0", 0777) = 0 [pid 7854] <... openat resumed>) = 4 [pid 7850] <... openat resumed>) = 4 [pid 7854] ioctl(4, LOOP_SET_FD, 3 [pid 7851] <... ioctl resumed>) = 0 [pid 7850] ioctl(4, LOOP_SET_FD, 3 [pid 7853] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7854] <... ioctl resumed>) = 0 [pid 7851] close(3 [pid 7850] <... ioctl resumed>) = 0 [pid 7854] close(3 [pid 7851] <... close resumed>) = 0 [ 266.586701][ T7853] loop0: detected capacity change from 0 to 8192 [ 266.600913][ T7851] loop2: detected capacity change from 0 to 8192 [ 266.610616][ T7854] loop1: detected capacity change from 0 to 8192 [ 266.617670][ T7850] loop3: detected capacity change from 0 to 8192 [pid 7850] close(3 [pid 7854] <... close resumed>) = 0 [pid 7851] mkdir("./file0", 0777 [pid 7850] <... close resumed>) = 0 [pid 7856] <... write resumed>) = 4194304 [pid 7854] mkdir("./file0", 0777) = 0 [pid 7854] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7850] mkdir("./file0", 0777 [pid 7856] munmap(0x7f76a8756000, 4194304 [pid 7851] <... mkdir resumed>) = 0 [pid 7850] <... mkdir resumed>) = 0 [pid 7856] <... munmap resumed>) = 0 [pid 7850] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7856] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7851] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7856] <... openat resumed>) = 4 [pid 7856] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7856] close(3) = 0 [pid 7856] mkdir("./file0", 0777) = 0 [ 266.626549][ T7853] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.641392][ T7853] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 266.652415][ T7853] REISERFS (device loop0): using ordered data mode [ 266.659138][ T7853] reiserfs: using flush barriers [ 266.666858][ T7856] loop4: detected capacity change from 0 to 8192 [ 266.666948][ T7853] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 266.686200][ T7850] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.690353][ T7851] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.702747][ T7854] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.715772][ T7850] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 266.729405][ T7854] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 266.738519][ T7853] REISERFS (device loop0): checking transaction log (loop0) [ 266.747581][ T7851] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 266.754444][ T7856] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.763881][ T7854] REISERFS (device loop1): using ordered data mode [ 266.783207][ T7850] REISERFS (device loop3): using ordered data mode [ 266.783880][ T7853] REISERFS (device loop0): Using r5 hash to sort names [ 266.790326][ T7851] REISERFS (device loop2): using ordered data mode [ 266.803607][ T7850] reiserfs: using flush barriers [ 266.803811][ T7853] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 266.809238][ T7854] reiserfs: using flush barriers [ 266.822415][ T7856] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7856] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7853] <... mount resumed>) = 0 [ 266.828041][ T7853] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 266.835746][ T7854] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 266.846256][ T7851] reiserfs: using flush barriers [ 266.861584][ T7856] REISERFS (device loop4): using ordered data mode [ 266.865604][ T7850] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7853] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7853] chdir("./file0") = 0 [ 266.872253][ T7856] reiserfs: using flush barriers [ 266.891369][ T7850] REISERFS (device loop3): checking transaction log (loop3) [ 266.893708][ T7851] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 266.902216][ T7854] REISERFS (device loop1): checking transaction log (loop1) [ 266.927546][ T7850] REISERFS (device loop3): Using r5 hash to sort names [pid 7853] ioctl(4, LOOP_CLR_FD) = 0 [ 266.928013][ T7851] REISERFS (device loop2): checking transaction log (loop2) [ 266.934686][ T7850] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 266.942696][ T7856] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 266.955020][ T7850] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 266.973315][ T7851] REISERFS (device loop2): Using r5 hash to sort names [pid 7853] close(4) = 0 [pid 7850] <... mount resumed>) = 0 [pid 7853] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7853] <... futex resumed>) = 1 [pid 7849] <... futex resumed>) = 0 [pid 7850] <... openat resumed>) = 3 [pid 7849] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7853] mkdir("./file1", 000 [pid 7850] chdir("./file0" [pid 7849] <... futex resumed>) = 0 [pid 7853] <... mkdir resumed>) = 0 [pid 7850] <... chdir resumed>) = 0 [pid 7849] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7853] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] ioctl(4, LOOP_CLR_FD [pid 7849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7853] <... futex resumed>) = 0 [pid 7850] <... ioctl resumed>) = 0 [ 266.981464][ T7856] REISERFS (device loop4): checking transaction log (loop4) [ 266.998165][ T7851] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 266.998801][ T7854] REISERFS (device loop1): Using r5 hash to sort names [ 267.010951][ T7856] REISERFS (device loop4): Using r5 hash to sort names [ 267.023528][ T7854] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7849] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7853] mkdir("./bus", 000 [pid 7850] close(4 [pid 7849] <... futex resumed>) = 0 [pid 7853] <... mkdir resumed>) = 0 [pid 7850] <... close resumed>) = 0 [pid 7849] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7853] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7851] <... mount resumed>) = 0 [pid 7850] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7853] <... futex resumed>) = 1 [pid 7851] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7850] <... futex resumed>) = 1 [pid 7853] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7851] <... openat resumed>) = 3 [pid 7849] <... futex resumed>) = 0 [pid 7848] <... futex resumed>) = 0 [pid 7850] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7849] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7848] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7851] chdir("./file0" [pid 7853] <... futex resumed>) = 0 [pid 7850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7851] <... chdir resumed>) = 0 [pid 7849] <... futex resumed>) = 1 [pid 7848] <... futex resumed>) = 0 [pid 7856] <... mount resumed>) = 0 [pid 7853] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7851] ioctl(4, LOOP_CLR_FD [pid 7850] mkdir("./file1", 000 [pid 7849] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7848] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 267.029782][ T7856] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 267.051270][ T7851] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 267.062199][ T7856] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 267.074381][ T7854] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7856] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7854] <... mount resumed>) = 0 [pid 7851] <... ioctl resumed>) = 0 [pid 7850] <... mkdir resumed>) = 0 [pid 7856] chdir("./file0" [pid 7854] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7851] close(4 [pid 7850] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7856] <... chdir resumed>) = 0 [pid 7854] <... openat resumed>) = 3 [pid 7851] <... close resumed>) = 0 [pid 7850] <... futex resumed>) = 1 [pid 7848] <... futex resumed>) = 0 [pid 7856] ioctl(4, LOOP_CLR_FD [pid 7854] chdir("./file0" [pid 7851] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7848] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7856] <... ioctl resumed>) = 0 [pid 7854] <... chdir resumed>) = 0 [pid 7851] <... futex resumed>) = 1 [pid 7850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7848] <... futex resumed>) = 0 [pid 7847] <... futex resumed>) = 0 [pid 7851] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7850] mkdir("./bus", 000 [ 267.077582][ T7853] overlayfs: upper fs needs to support d_type. [pid 7848] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7856] close(4 [pid 7854] ioctl(4, LOOP_CLR_FD [pid 7850] <... mkdir resumed>) = 0 [pid 7847] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7856] <... close resumed>) = 0 [pid 7854] <... ioctl resumed>) = 0 [pid 7850] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7848] <... futex resumed>) = 0 [pid 7856] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7854] close(4 [pid 7851] <... futex resumed>) = 0 [pid 7850] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7848] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7847] <... futex resumed>) = 1 [pid 7856] <... futex resumed>) = 1 [pid 7855] <... futex resumed>) = 0 [pid 7854] <... close resumed>) = 0 [pid 7851] mkdir("./file1", 000 [pid 7850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7848] <... futex resumed>) = 0 [pid 7847] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7856] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7855] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7854] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7851] <... mkdir resumed>) = 0 [pid 7850] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7849] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7848] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7855] <... futex resumed>) = 0 [pid 7854] <... futex resumed>) = 1 [pid 7852] <... futex resumed>) = 0 [pid 7851] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 267.113246][ T7853] overlayfs: upper fs does not support tmpfile. [ 267.138480][ T7853] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 267.139103][ T7850] overlayfs: upper fs needs to support d_type. [pid 7849] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7856] mkdir("./file1", 000 [pid 7855] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7854] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7852] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7851] <... futex resumed>) = 1 [pid 7849] <... futex resumed>) = 0 [pid 7847] <... futex resumed>) = 0 [pid 7852] <... futex resumed>) = 0 [pid 7851] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7856] <... mkdir resumed>) = 0 [pid 7854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7852] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7847] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7856] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7854] mkdir("./file1", 000 [pid 7853] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7851] mkdir("./bus", 000) = 0 [pid 7851] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7849] <... mmap resumed>) = 0x7f76a8b35000 [pid 7847] <... futex resumed>) = 0 [pid 7856] <... futex resumed>) = 1 [pid 7851] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7856] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7855] <... futex resumed>) = 0 [pid 7854] <... mkdir resumed>) = 0 [pid 7853] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7849] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7847] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7855] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7854] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7853] <... futex resumed>) = 0 [pid 7849] <... mprotect resumed>) = 0 [pid 7847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7856] <... futex resumed>) = 0 [pid 7855] <... futex resumed>) = 1 [pid 7854] <... futex resumed>) = 1 [pid 7853] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7852] <... futex resumed>) = 0 [pid 7847] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7856] mkdir("./bus", 000 [pid 7855] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7854] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7852] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7849] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7848] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7851] <... futex resumed>) = 0 [pid 7847] <... futex resumed>) = 1 [pid 7856] <... mkdir resumed>) = 0 [pid 7854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7852] <... futex resumed>) = 0 [ 267.161415][ T7853] overlayfs: failed to resolve './file0': -2 [ 267.167138][ T7850] overlayfs: upper fs does not support tmpfile. [ 267.180199][ T7850] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 267.194175][ T7850] overlayfs: failed to resolve './file0': -2 [pid 7851] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7848] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7847] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7862 attached [pid 7856] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7854] mkdir("./bus", 000 [pid 7852] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7850] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7849] <... clone resumed>, parent_tid=[7862], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7862 [pid 7848] <... futex resumed>) = 0 [pid 7862] set_robust_list(0x7f76a8b559e0, 24 [pid 7856] <... futex resumed>) = 1 [pid 7855] <... futex resumed>) = 0 [pid 7854] <... mkdir resumed>) = 0 [pid 7850] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7849] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7862] <... set_robust_list resumed>) = 0 [pid 7856] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7855] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7854] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] <... futex resumed>) = 0 [pid 7849] <... futex resumed>) = 0 [pid 7848] <... mmap resumed>) = 0x7f76a8b35000 [pid 7862] mkdir(".", 0777 [pid 7856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7855] <... futex resumed>) = 0 [pid 7854] <... futex resumed>) = 1 [pid 7852] <... futex resumed>) = 0 [pid 7850] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7849] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7848] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7862] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7856] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7855] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7854] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7852] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7848] <... mprotect resumed>) = 0 [pid 7852] <... futex resumed>) = 0 [pid 7848] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7852] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7848] <... clone resumed>, parent_tid=[7863], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7863 [pid 7848] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7848] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7863 attached [pid 7863] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7863] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7862] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7863] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 267.212839][ T7851] overlayfs: upper fs needs to support d_type. [ 267.220343][ T7851] overlayfs: upper fs does not support tmpfile. [ 267.229065][ T7851] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 267.239744][ T7851] overlayfs: failed to resolve './file0': -2 [ 267.253179][ T7854] overlayfs: upper fs needs to support d_type. [pid 7854] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7847] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7852] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7852] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7852] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7852] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7864], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7864 [pid 7852] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 267.253306][ T7856] overlayfs: upper fs needs to support d_type. [ 267.263654][ T7854] overlayfs: upper fs does not support tmpfile. [ 267.268019][ T7856] overlayfs: upper fs does not support tmpfile. [ 267.274048][ T7863] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 267.280173][ T7856] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 267.298899][ T7862] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7852] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7864 attached [pid 7862] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7847] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7864] set_robust_list(0x7f76a8b559e0, 24 [pid 7862] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7855] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7847] <... futex resumed>) = 0 [pid 7864] <... set_robust_list resumed>) = 0 [pid 7862] <... futex resumed>) = 1 [pid 7855] <... futex resumed>) = 0 [pid 7849] <... futex resumed>) = 0 [pid 7847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7864] mkdir(".", 0777 [pid 7855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7849] exit_group(0 [pid 7862] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7847] <... mmap resumed>) = 0x7f76a8b35000 [pid 7864] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7863] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7862] +++ exited with 0 +++ [pid 7855] <... mmap resumed>) = 0x7f76a8b35000 [pid 7853] <... futex resumed>) = ? [pid 7849] <... exit_group resumed>) = ? [pid 7847] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7864] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7863] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7855] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7853] +++ exited with 0 +++ [pid 7855] <... mprotect resumed>) = 0 [pid 7849] +++ exited with 0 +++ [pid 7847] <... mprotect resumed>) = 0 [pid 7848] <... futex resumed>) = 0 [pid 7855] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7848] exit_group(0 [pid 7850] <... futex resumed>) = ? [pid 7848] <... exit_group resumed>) = ? [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7849, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 7850] +++ exited with 0 +++ [pid 7847] clone(child_stack=0x7f76a8b553f0, 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 7865 attached [pid 7864] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7865] set_robust_list(0x7f76a8b559e0, 24./strace-static-x86_64: Process 7866 attached ) = 0 [pid 7864] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7863] <... futex resumed>) = ? [pid 7855] <... clone resumed>, parent_tid=[7865], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7865 [pid 7847] <... clone resumed>, parent_tid=[7866], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7866 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7865] mkdir(".", 0777 [pid 7863] +++ exited with 0 +++ [pid 7855] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7848] +++ exited with 0 +++ [pid 7847] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7865] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7864] <... futex resumed>) = 1 [pid 7855] <... futex resumed>) = 0 [pid 7847] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7865] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7864] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7855] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7847] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] fstat(3, [pid 7866] set_robust_list(0x7f76a8b559e0, 24 [pid 7856] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7852] <... futex resumed>) = 0 [pid 7851] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7856] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7851] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7848, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7856] <... futex resumed>) = 0 [pid 7851] <... futex resumed>) = 0 [ 267.304711][ T7854] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 267.315584][ T7856] overlayfs: failed to resolve './file0': -2 [ 267.339333][ T7864] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 267.357918][ T7854] overlayfs: failed to resolve './file0': -2 [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 5008] getdents64(3, [pid 7866] <... set_robust_list resumed>) = 0 [pid 7856] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7851] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] <... restart_syscall resumed>) = 0 [pid 7866] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7866] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5011] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7865] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7865] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7865] <... futex resumed>) = 1 [pid 7855] <... futex resumed>) = 0 [pid 5011] fstat(3, [pid 5008] lstat("./133/binderfs", [pid 7865] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7855] exit_group(0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7865] <... futex resumed>) = ? [pid 7856] <... futex resumed>) = ? [pid 7855] <... exit_group resumed>) = ? [pid 5011] getdents64(3, [pid 5008] unlink("./133/binderfs" [pid 7865] +++ exited with 0 +++ [pid 7856] +++ exited with 0 +++ [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7855] +++ exited with 0 +++ [pid 5011] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7855, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5011] unlink("./134/binderfs" [pid 5008] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] <... unlink resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... openat resumed>) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./135/binderfs") = 0 [pid 5012] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7866] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7854] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7866] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7854] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7866] <... futex resumed>) = 1 [pid 7854] <... futex resumed>) = 0 [pid 7866] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7854] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7847] <... futex resumed>) = 0 [pid 7852] exit_group(0 [pid 7847] exit_group(0 [pid 7866] <... futex resumed>) = ? [pid 7864] <... futex resumed>) = ? [pid 7854] <... futex resumed>) = ? [pid 7852] <... exit_group resumed>) = ? [pid 7851] <... futex resumed>) = ? [pid 7847] <... exit_group resumed>) = ? [pid 7866] +++ exited with 0 +++ [pid 7854] +++ exited with 0 +++ [pid 7851] +++ exited with 0 +++ [pid 7864] +++ exited with 0 +++ [pid 7852] +++ exited with 0 +++ [pid 7847] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7847, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7852, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 5010] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... openat resumed>) = 3 [pid 5009] <... openat resumed>) = 3 [pid 5010] fstat(3, [pid 5009] fstat(3, [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, [pid 5009] getdents64(3, [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./134/binderfs", [pid 5009] lstat("./133/binderfs", [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./134/binderfs" [pid 5009] unlink("./133/binderfs" [pid 5010] <... unlink resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5010] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 267.373425][ T7865] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 267.402136][ T7866] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5009] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./134/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./134/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... umount2 resumed>) = 0 [pid 5010] <... openat resumed>) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(4, [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4 [pid 5009] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] lstat("./135/file0", [pid 5010] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] rmdir("./134/file0" [pid 5009] lstat("./133/file0", [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./135/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... openat resumed>) = 4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./133/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] fstat(4, [pid 5012] getdents64(4, [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(3, [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(4 [pid 5009] getdents64(4, [pid 5012] <... close resumed>) = 0 [pid 5010] close(3 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] close(4 [pid 5012] rmdir("./135/file0" [pid 5009] <... close resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5010] rmdir("./134") = 0 [pid 5009] rmdir("./133/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] getdents64(3, [pid 5010] mkdir("./135", 0777 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5012] close(3 [pid 5009] close(3 [pid 5012] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5012] rmdir("./135" [pid 5009] rmdir("./133" [pid 5012] <... rmdir resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5012] mkdir("./136", 0777 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] mkdir("./134", 0777 [pid 5012] <... mkdir resumed>) = 0 [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... mkdir resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./134/file0", [pid 5010] close(3 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... openat resumed>) = 3 [pid 5012] <... openat resumed>) = 3 [pid 5011] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5011] openat(AT_FDCWD, "./134/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7867 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... openat resumed>) = 4 [pid 5009] close(3 [pid 5011] fstat(4, [pid 5012] close(3 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... close resumed>) = 0 [pid 5011] getdents64(4, [pid 5012] <... close resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7867 attached [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] getdents64(4, [pid 5008] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7868 attached [pid 7867] set_robust_list(0x555556dec5e0, 24 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7868] set_robust_list(0x555556dec5e0, 24 [pid 7867] <... set_robust_list resumed>) = 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7869 [pid 5011] close(4 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7868 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7868] <... set_robust_list resumed>) = 0 [pid 7867] chdir("./135" [pid 5011] <... close resumed>) = 0 [pid 5008] lstat("./133/file0", [pid 7868] chdir("./134" [pid 7867] <... chdir resumed>) = 0 [pid 5011] rmdir("./134/file0"./strace-static-x86_64: Process 7869 attached [pid 7868] <... chdir resumed>) = 0 [pid 7867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7869] set_robust_list(0x555556dec5e0, 24 [pid 7868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7867] <... prctl resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5008] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7869] <... set_robust_list resumed>) = 0 [pid 7868] <... prctl resumed>) = 0 [pid 7867] setpgid(0, 0 [pid 5011] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7869] chdir("./136" [pid 7868] setpgid(0, 0 [pid 7867] <... setpgid resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] openat(AT_FDCWD, "./133/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7869] <... chdir resumed>) = 0 [pid 7868] <... setpgid resumed>) = 0 [pid 7867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] close(3 [pid 7869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7867] <... openat resumed>) = 3 [pid 5011] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 7869] <... prctl resumed>) = 0 [pid 7868] <... openat resumed>) = 3 [pid 7867] write(3, "1000", 4 [pid 5011] rmdir("./134" [pid 5008] fstat(4, [pid 7869] setpgid(0, 0 [pid 7868] write(3, "1000", 4 [pid 7867] <... write resumed>) = 4 [pid 7869] <... setpgid resumed>) = 0 [pid 7868] <... write resumed>) = 4 [pid 7867] close(3 [pid 5011] <... rmdir resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7868] close(3 [pid 7867] <... close resumed>) = 0 [pid 7869] <... openat resumed>) = 3 [pid 7868] <... close resumed>) = 0 [pid 7867] symlink("/dev/binderfs", "./binderfs" [pid 5011] mkdir("./135", 0777 [pid 5008] getdents64(4, [pid 7869] write(3, "1000", 4 [pid 7868] symlink("/dev/binderfs", "./binderfs" [pid 7867] <... symlink resumed>) = 0 [pid 7869] <... write resumed>) = 4 [pid 7867] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... mkdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7869] close(3 [pid 7868] <... symlink resumed>) = 0 [pid 7867] <... futex resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7869] <... close resumed>) = 0 [pid 7867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7869] symlink("/dev/binderfs", "./binderfs" [pid 7867] <... mmap resumed>) = 0x7f76b0b56000 [pid 7869] <... symlink resumed>) = 0 [pid 7868] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7867] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] <... openat resumed>) = 3 [pid 5008] getdents64(4, [pid 7869] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7868] <... futex resumed>) = 0 [pid 7867] <... mprotect resumed>) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7869] <... futex resumed>) = 0 [pid 7868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7867] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] close(4 [pid 7869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7868] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] close(3 [pid 5008] <... close resumed>) = 0 ./strace-static-x86_64: Process 7870 attached [pid 7869] <... mmap resumed>) = 0x7f76b0b56000 [pid 7868] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7867] <... clone resumed>, parent_tid=[7870], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7870 [pid 5011] <... close resumed>) = 0 [pid 7869] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7867] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7869] <... mprotect resumed>) = 0 [pid 7868] <... mprotect resumed>) = 0 [pid 7867] <... futex resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] rmdir("./133/file0" [pid 7869] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7868] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7867] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7869] <... clone resumed>, parent_tid=[7871], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7871 [pid 7869] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7869] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7872 [pid 5008] getdents64(3, [pid 7868] <... clone resumed>, parent_tid=[7873], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7873 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7868] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] close(3 [pid 7868] <... futex resumed>) = 0 [pid 7868] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./133"./strace-static-x86_64: Process 7873 attached [pid 7873] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7873] memfd_create("syzkaller", 0 [pid 5008] mkdir("./134", 0777 [pid 7873] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 7871 attached [pid 7873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7871] set_robust_list(0x7f76b0b769e0, 24 [pid 5008] <... mkdir resumed>) = 0 [pid 7871] <... set_robust_list resumed>) = 0 [pid 7870] set_robust_list(0x7f76b0b769e0, 24 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 7872 attached [pid 7871] memfd_create("syzkaller", 0 [pid 7870] <... set_robust_list resumed>) = 0 [pid 7871] <... memfd_create resumed>) = 3 [pid 7870] memfd_create("syzkaller", 0 [pid 5008] <... openat resumed>) = 3 [pid 7872] set_robust_list(0x555556dec5e0, 24 [pid 7871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7870] <... memfd_create resumed>) = 3 [pid 7872] <... set_robust_list resumed>) = 0 [pid 7871] <... mmap resumed>) = 0x7f76a8756000 [pid 7870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7870] <... mmap resumed>) = 0x7f76a8756000 [pid 5008] close(3) = 0 [pid 7872] chdir("./135" [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7872] <... chdir resumed>) = 0 [pid 7872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7872] setpgid(0, 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7874 [pid 7872] <... setpgid resumed>) = 0 [pid 7872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 7874 attached [pid 7872] write(3, "1000", 4 [pid 7874] set_robust_list(0x555556dec5e0, 24 [pid 7872] <... write resumed>) = 4 [pid 7874] <... set_robust_list resumed>) = 0 [pid 7874] chdir("./134" [pid 7872] close(3 [pid 7874] <... chdir resumed>) = 0 [pid 7872] <... close resumed>) = 0 [pid 7874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7872] symlink("/dev/binderfs", "./binderfs" [pid 7874] <... prctl resumed>) = 0 [pid 7874] setpgid(0, 0 [pid 7872] <... symlink resumed>) = 0 [pid 7874] <... setpgid resumed>) = 0 [pid 7874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7872] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7874] <... openat resumed>) = 3 [pid 7872] <... futex resumed>) = 0 [pid 7874] write(3, "1000", 4 [pid 7872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7874] <... write resumed>) = 4 [pid 7874] close(3) = 0 [pid 7874] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7872] <... mmap resumed>) = 0x7f76b0b56000 [pid 7874] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7872] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7874] <... futex resumed>) = 0 [pid 7874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7872] <... mprotect resumed>) = 0 [pid 7874] <... mmap resumed>) = 0x7f76b0b56000 [pid 7874] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7872] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7874] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7875], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7875 [pid 7872] <... clone resumed>, parent_tid=[7876], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7876 [pid 7874] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7872] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7874] <... futex resumed>) = 0 [pid 7872] <... futex resumed>) = 0 [pid 7874] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7872] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7876 attached ./strace-static-x86_64: Process 7875 attached [pid 7876] set_robust_list(0x7f76b0b769e0, 24 [pid 7873] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7876] <... set_robust_list resumed>) = 0 [pid 7875] set_robust_list(0x7f76b0b769e0, 24 [pid 7876] memfd_create("syzkaller", 0 [pid 7875] <... set_robust_list resumed>) = 0 [pid 7870] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7876] <... memfd_create resumed>) = 3 [pid 7876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7875] memfd_create("syzkaller", 0 [pid 7876] <... mmap resumed>) = 0x7f76a8756000 [pid 7875] <... memfd_create resumed>) = 3 [pid 7875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7871] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7876] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7875] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7873] <... write resumed>) = 4194304 [pid 7870] <... write resumed>) = 4194304 [pid 7871] <... write resumed>) = 4194304 [pid 7870] munmap(0x7f76a8756000, 4194304 [pid 7873] munmap(0x7f76a8756000, 4194304 [pid 7870] <... munmap resumed>) = 0 [pid 7870] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7871] munmap(0x7f76a8756000, 4194304 [pid 7870] <... openat resumed>) = 4 [pid 7870] ioctl(4, LOOP_SET_FD, 3 [pid 7873] <... munmap resumed>) = 0 [pid 7873] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7873] ioctl(4, LOOP_SET_FD, 3 [pid 7871] <... munmap resumed>) = 0 [pid 7871] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7870] <... ioctl resumed>) = 0 [pid 7871] <... openat resumed>) = 4 [pid 7870] close(3 [pid 7871] ioctl(4, LOOP_SET_FD, 3 [pid 7870] <... close resumed>) = 0 [pid 7873] <... ioctl resumed>) = 0 [pid 7873] close(3) = 0 [pid 7873] mkdir("./file0", 0777) = 0 [pid 7870] mkdir("./file0", 0777) = 0 [pid 7870] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7873] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7871] <... ioctl resumed>) = 0 [pid 7871] close(3) = 0 [pid 7871] mkdir("./file0", 0777 [pid 7875] <... write resumed>) = 4194304 [pid 7871] <... mkdir resumed>) = 0 [ 267.951897][ T7870] loop2: detected capacity change from 0 to 8192 [ 267.959709][ T7873] loop1: detected capacity change from 0 to 8192 [ 267.969993][ T7871] loop4: detected capacity change from 0 to 8192 [pid 7875] munmap(0x7f76a8756000, 4194304 [pid 7871] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7875] <... munmap resumed>) = 0 [pid 7875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 267.994181][ T7870] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 267.994264][ T7873] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.022492][ T7870] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 268.034418][ T7870] REISERFS (device loop2): using ordered data mode [ 268.035121][ T7871] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.042523][ T7870] reiserfs: using flush barriers [ 268.054428][ T7873] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 268.061464][ T7875] loop0: detected capacity change from 0 to 8192 [ 268.069147][ T7873] REISERFS (device loop1): using ordered data mode [ 268.082453][ T7873] reiserfs: using flush barriers [pid 7875] ioctl(4, LOOP_SET_FD, 3 [pid 7876] <... write resumed>) = 4194304 [pid 7876] munmap(0x7f76a8756000, 4194304) = 0 [pid 7876] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7876] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7876] close(3) = 0 [pid 7876] mkdir("./file0", 0777) = 0 [pid 7876] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7875] <... ioctl resumed>) = 0 [pid 7875] close(3) = 0 [pid 7875] mkdir("./file0", 0777) = 0 [ 268.089419][ T7873] 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 [ 268.105181][ T7876] loop3: detected capacity change from 0 to 8192 [ 268.107890][ T7873] REISERFS (device loop1): checking transaction log (loop1) [ 268.119356][ T7870] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 268.124656][ T7871] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 268.136642][ T7870] REISERFS (device loop2): checking transaction log (loop2) [ 268.149454][ T7871] REISERFS (device loop4): using ordered data mode [ 268.153514][ T7873] REISERFS (device loop1): Using r5 hash to sort names [ 268.161480][ T7871] reiserfs: using flush barriers [ 268.167028][ T7870] REISERFS (device loop2): Using r5 hash to sort names [ 268.178508][ T7875] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.178571][ T7871] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 268.179001][ T7871] REISERFS (device loop4): checking transaction log (loop4) [ 268.194406][ T7873] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 268.208033][ T7875] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 268.228019][ T7876] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.238104][ T7871] REISERFS (device loop4): Using r5 hash to sort names [ 268.251985][ T7870] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 268.257265][ T7871] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 268.282749][ T7871] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7875] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7871] <... mount resumed>) = 0 [ 268.284190][ T7873] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 268.292291][ T7876] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 268.303440][ T7870] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 268.319387][ T7876] REISERFS (device loop3): using ordered data mode [ 268.319408][ T7876] reiserfs: using flush barriers [pid 7871] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7873] <... mount resumed>) = 0 [pid 7873] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7873] chdir("./file0") = 0 [pid 7873] ioctl(4, LOOP_CLR_FD) = 0 [pid 7873] close(4) = 0 [pid 7873] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7873] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7870] <... mount resumed>) = 0 [pid 7870] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7870] chdir("./file0") = 0 [pid 7870] ioctl(4, LOOP_CLR_FD) = 0 [pid 7870] close(4) = 0 [pid 7870] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7867] <... futex resumed>) = 0 [pid 7867] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7867] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7870] <... futex resumed>) = 1 [pid 7870] mkdir("./file1", 000) = 0 [pid 7870] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] <... openat resumed>) = 3 [pid 7867] <... futex resumed>) = 0 [pid 7867] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7867] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7870] <... futex resumed>) = 1 [pid 7870] mkdir("./bus", 000) = 0 [pid 7870] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7867] <... futex resumed>) = 0 [pid 7870] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7867] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] chdir("./file0" [pid 7868] <... futex resumed>) = 0 [pid 7867] <... futex resumed>) = 0 [pid 7871] <... chdir resumed>) = 0 [pid 7868] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7867] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7873] <... futex resumed>) = 0 [pid 7871] ioctl(4, LOOP_CLR_FD [pid 7868] <... futex resumed>) = 1 [pid 7873] mkdir("./file1", 000) = 0 [pid 7873] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7873] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7871] <... ioctl resumed>) = 0 [pid 7868] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7871] close(4 [pid 7868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 268.326242][ T7876] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 268.326681][ T7876] REISERFS (device loop3): checking transaction log (loop3) [ 268.363215][ T7875] REISERFS (device loop0): using ordered data mode [ 268.363564][ T7870] overlayfs: upper fs needs to support d_type. [ 268.377924][ T7875] reiserfs: using flush barriers [ 268.381210][ T7870] overlayfs: upper fs does not support tmpfile. [pid 7871] <... close resumed>) = 0 [pid 7868] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7868] <... futex resumed>) = 1 [pid 7873] <... futex resumed>) = 0 [pid 7871] <... futex resumed>) = 1 [pid 7868] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7873] mkdir("./bus", 000 [pid 7869] <... futex resumed>) = 0 [pid 7871] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7873] <... mkdir resumed>) = 0 [pid 7871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7869] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7873] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] mkdir("./file1", 000 [pid 7869] <... futex resumed>) = 0 [pid 7873] <... futex resumed>) = 1 [pid 7869] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7873] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7871] <... mkdir resumed>) = 0 [pid 7868] <... futex resumed>) = 0 [pid 7871] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7868] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7873] <... futex resumed>) = 0 [pid 7871] <... futex resumed>) = 1 [pid 7869] <... futex resumed>) = 0 [pid 7868] <... futex resumed>) = 1 [pid 7873] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7871] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7869] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7868] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7869] <... futex resumed>) = 0 [pid 7867] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7871] mkdir("./bus", 000 [pid 7869] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7867] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7871] <... mkdir resumed>) = 0 [pid 7867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7871] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7867] <... mmap resumed>) = 0x7f76a8b35000 [pid 7871] <... futex resumed>) = 1 [pid 7869] <... futex resumed>) = 0 [ 268.390948][ T7875] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 268.393027][ T7870] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 268.425168][ T7873] overlayfs: upper fs needs to support d_type. [ 268.437352][ T7870] overlayfs: failed to resolve './file0': -2 [pid 7867] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7871] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7869] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7867] <... mprotect resumed>) = 0 [pid 7867] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7882], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7882 [pid 7867] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7869] <... futex resumed>) = 0 [pid 7867] <... futex resumed>) = 0 [pid 7867] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7882 attached [pid 7882] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7882] mkdir(".", 0777 [pid 7871] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7869] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7882] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7882] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7870] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7870] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7870] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7868] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 268.444932][ T7876] REISERFS (device loop3): Using r5 hash to sort names [ 268.448460][ T7873] overlayfs: upper fs does not support tmpfile. [ 268.465941][ T7871] overlayfs: upper fs needs to support d_type. [ 268.472218][ T7871] overlayfs: upper fs does not support tmpfile. [ 268.484179][ T7875] REISERFS (device loop0): checking transaction log (loop0) [pid 7868] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7869] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7869] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7868] <... mmap resumed>) = 0x7f76a8b35000 [pid 7869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7868] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7869] <... mmap resumed>) = 0x7f76a8b35000 [pid 7868] <... mprotect resumed>) = 0 [pid 7869] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7868] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7869] <... mprotect resumed>) = 0 [pid 7869] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7868] <... clone resumed>, parent_tid=[7883], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7883 [pid 7869] <... clone resumed>, parent_tid=[7884], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7884 [pid 7869] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7868] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7869] <... futex resumed>) = 0 [pid 7868] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7869] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7884 attached [pid 7884] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7884] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7884] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 7883 attached [pid 7883] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7883] mkdir(".", 0777) = -1 EEXIST (File exists) [ 268.484552][ T7882] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 268.492535][ T7876] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 268.507923][ T7873] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 268.538917][ T7873] overlayfs: failed to resolve './file0': -2 [pid 7883] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7882] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7882] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7867] <... futex resumed>) = 0 [pid 7882] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7867] exit_group(0 [pid 7882] <... futex resumed>) = ? [pid 7870] <... futex resumed>) = ? [pid 7867] <... exit_group resumed>) = ? [pid 7882] +++ exited with 0 +++ [pid 7870] +++ exited with 0 +++ [pid 7867] +++ exited with 0 +++ [ 268.555168][ T7871] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 268.564504][ T7883] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 268.564556][ T7871] overlayfs: failed to resolve './file0': -2 [ 268.588194][ T7876] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7867, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 7873] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7873] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7873] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./135/binderfs") = 0 [pid 5010] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7883] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7883] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7868] <... futex resumed>) = 0 [pid 7868] exit_group(0 [pid 7873] <... futex resumed>) = ? [pid 7868] <... exit_group resumed>) = ? [pid 7873] +++ exited with 0 +++ [pid 7883] <... futex resumed>) = ? [pid 7883] +++ exited with 0 +++ [pid 7868] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7868, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5009] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./134/binderfs") = 0 [pid 5009] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7876] <... mount resumed>) = 0 [pid 7876] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 268.598452][ T7884] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 268.613076][ T7875] REISERFS (device loop0): Using r5 hash to sort names [ 268.640757][ T7875] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7884] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7871] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7884] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7884] <... futex resumed>) = 1 [pid 7871] <... futex resumed>) = 0 [pid 7869] <... futex resumed>) = 0 [pid 7876] chdir("./file0" [pid 7884] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7876] <... chdir resumed>) = 0 [pid 7871] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7869] exit_group(0 [pid 7876] ioctl(4, LOOP_CLR_FD [pid 7884] <... futex resumed>) = ? [pid 7876] <... ioctl resumed>) = 0 [pid 7871] <... futex resumed>) = ? [pid 7869] <... exit_group resumed>) = ? [pid 7884] +++ exited with 0 +++ [pid 7876] close(4 [pid 7871] +++ exited with 0 +++ [pid 7876] <... close resumed>) = 0 [pid 7876] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7876] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7869] +++ exited with 0 +++ [pid 7872] <... futex resumed>) = 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7869, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5012] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, [pid 7872] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7876] <... futex resumed>) = 0 [pid 7872] <... futex resumed>) = 1 [pid 5012] getdents64(3, [pid 7876] mkdir("./file1", 000 [pid 7872] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7876] <... mkdir resumed>) = 0 [pid 5012] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7876] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7876] <... futex resumed>) = 1 [pid 7872] <... futex resumed>) = 0 [pid 5012] lstat("./136/binderfs", [pid 7876] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7872] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7872] <... futex resumed>) = 0 [pid 5012] unlink("./136/binderfs" [pid 7876] mkdir("./bus", 000 [pid 7872] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... unlink resumed>) = 0 [pid 7876] <... mkdir resumed>) = 0 [pid 5012] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7876] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7872] <... futex resumed>) = 0 [pid 7876] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7872] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 268.659652][ T7875] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7872] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7876] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7875] <... mount resumed>) = 0 [pid 7875] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7875] chdir("./file0") = 0 [pid 7875] ioctl(4, LOOP_CLR_FD) = 0 [pid 7875] close(4) = 0 [pid 7875] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7874] <... futex resumed>) = 0 [pid 7874] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7875] mkdir("./file1", 000 [pid 7874] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7875] <... mkdir resumed>) = 0 [pid 7875] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7874] <... futex resumed>) = 0 [pid 7875] mkdir("./bus", 000 [pid 7874] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7875] <... mkdir resumed>) = 0 [pid 7874] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7875] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7875] <... futex resumed>) = 0 [ 268.710089][ T7876] overlayfs: upper fs needs to support d_type. [pid 7874] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7875] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7874] <... futex resumed>) = 0 [pid 7874] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7872] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7872] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7872] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7872] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7885], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7885 [pid 7872] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7872] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./135/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./135/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, ./strace-static-x86_64: Process 7885 attached [pid 7885] set_robust_list(0x7f76a8b559e0, 24 [pid 7874] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7885] <... set_robust_list resumed>) = 0 [pid 7874] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7874] <... futex resumed>) = 0 [pid 7885] mkdir(".", 0777 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [ 268.752563][ T7875] overlayfs: upper fs needs to support d_type. [ 268.755976][ T7876] overlayfs: upper fs does not support tmpfile. [ 268.765291][ T7875] overlayfs: upper fs does not support tmpfile. [ 268.765983][ T7875] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7885] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] close(4 [pid 7874] <... mmap resumed>) = 0x7f76a8b35000 [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./135/file0" [pid 7885] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7874] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... rmdir resumed>) = 0 [pid 7874] <... mprotect resumed>) = 0 [pid 5010] getdents64(3, [pid 7874] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7874] <... clone resumed>, parent_tid=[7886], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7886 [pid 5010] close(3 [pid 7874] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... close resumed>) = 0 [pid 7874] <... futex resumed>) = 0 [pid 5010] rmdir("./135" [pid 7874] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7886 attached [pid 5010] mkdir("./136", 0777 [pid 7886] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 7886] mkdir(".", 0777 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7886] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5010] <... openat resumed>) = 3 [pid 7886] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7887 ./strace-static-x86_64: Process 7887 attached [ 268.813569][ T7876] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7887] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7887] chdir("./136") = 0 [pid 7887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7887] setpgid(0, 0) = 0 [pid 7887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7887] write(3, "1000", 4) = 4 [pid 7887] close(3) = 0 [pid 7887] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7887] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7887] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7887] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7888], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7888 [pid 7887] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7887] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7888 attached [pid 7888] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7888] memfd_create("syzkaller", 0) = 3 [pid 7888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5009] <... umount2 resumed>) = 0 [pid 7886] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7886] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7874] <... futex resumed>) = 0 [pid 7886] <... futex resumed>) = 1 [ 268.855540][ T7886] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 268.856231][ T7885] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7886] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./136/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./136/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./136/file0") = 0 [pid 5009] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./136") = 0 [pid 5012] mkdir("./137", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7889 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./134/file0", ./strace-static-x86_64: Process 7889 attached [pid 7889] set_robust_list(0x555556dec5e0, 24 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7889] <... set_robust_list resumed>) = 0 [pid 7875] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7889] chdir("./137" [pid 7875] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7889] <... chdir resumed>) = 0 [pid 7875] <... futex resumed>) = 0 [pid 7874] exit_group(0 [pid 7889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7886] <... futex resumed>) = ? [pid 7874] <... exit_group resumed>) = ? [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7889] <... prctl resumed>) = 0 [pid 7886] +++ exited with 0 +++ [pid 7875] +++ exited with 0 +++ [pid 7874] +++ exited with 0 +++ [pid 5009] openat(AT_FDCWD, "./134/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7889] setpgid(0, 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7874, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5009] <... openat resumed>) = 4 [pid 7889] <... setpgid resumed>) = 0 [pid 5009] fstat(4, [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 7889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 7889] <... openat resumed>) = 3 [pid 5009] getdents64(4, [pid 7889] write(3, "1000", 4 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7889] <... write resumed>) = 4 [pid 5009] getdents64(4, [pid 5008] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7889] close(3 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7889] <... close resumed>) = 0 [pid 5009] close(4 [ 268.916724][ T7875] overlayfs: failed to resolve './file0': -2 [pid 5008] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7889] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 7889] <... symlink resumed>) = 0 [pid 5009] rmdir("./134/file0" [pid 5008] fstat(3, [pid 7889] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7889] <... futex resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] getdents64(3, [pid 7889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] getdents64(3, [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7889] <... mmap resumed>) = 0x7f76b0b56000 [pid 7885] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7885] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] close(3 [pid 7885] <... futex resumed>) = 1 [pid 7872] <... futex resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 7885] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5009] rmdir("./134") = 0 [pid 5009] mkdir("./135", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3 [pid 7889] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7888] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7876] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5009] <... close resumed>) = 0 [pid 5008] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7889] <... mprotect resumed>) = 0 [pid 7876] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7889] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7876] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7876] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7872] exit_group(0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7890 [pid 5008] lstat("./134/binderfs", [pid 7889] <... clone resumed>, parent_tid=[7891], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7891 [pid 7885] <... futex resumed>) = ? [pid 7876] <... futex resumed>) = ? [pid 7872] <... exit_group resumed>) = ? [pid 7889] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7885] +++ exited with 0 +++ [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7890 attached [pid 7876] +++ exited with 0 +++ [pid 7872] +++ exited with 0 +++ [pid 7890] set_robust_list(0x555556dec5e0, 24 [pid 7889] <... futex resumed>) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7872, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5008] unlink("./134/binderfs"./strace-static-x86_64: Process 7891 attached [pid 7890] <... set_robust_list resumed>) = 0 [pid 7889] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7891] set_robust_list(0x7f76b0b769e0, 24 [pid 7890] chdir("./135" [pid 5008] <... unlink resumed>) = 0 [pid 5011] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7891] <... set_robust_list resumed>) = 0 [pid 7890] <... chdir resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7890] <... prctl resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 7890] setpgid(0, 0) = 0 [pid 7890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5011] fstat(3, [pid 7890] write(3, "1000", 4) = 4 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7890] close(3 [pid 5011] getdents64(3, [pid 7890] <... close resumed>) = 0 [pid 7890] symlink("/dev/binderfs", "./binderfs" [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7890] <... symlink resumed>) = 0 [pid 5011] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7891] memfd_create("syzkaller", 0 [pid 7890] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7891] <... memfd_create resumed>) = 3 [pid 7890] <... futex resumed>) = 0 [pid 5011] lstat("./135/binderfs", [pid 7890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7890] <... mmap resumed>) = 0x7f76b0b56000 [pid 7890] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] unlink("./135/binderfs" [pid 7891] <... mmap resumed>) = 0x7f76a8756000 [pid 7890] <... mprotect resumed>) = 0 [ 268.983180][ T7876] overlayfs: failed to resolve './file0': -2 [pid 7890] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7890] <... clone resumed>, parent_tid=[7892], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7892 [pid 7890] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7890] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7892 attached [pid 7892] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7892] memfd_create("syzkaller", 0) = 3 [pid 7892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7891] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7892] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./135/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./135/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7888] <... write resumed>) = 4194304 [pid 5011] fstat(4, [pid 7888] munmap(0x7f76a8756000, 4194304 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./135/file0") = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./135") = 0 [pid 5011] mkdir("./136", 0777 [pid 7888] <... munmap resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 7888] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 7888] <... openat resumed>) = 4 [pid 7888] ioctl(4, LOOP_SET_FD, 3 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7893 ./strace-static-x86_64: Process 7893 attached [pid 5008] <... umount2 resumed>) = 0 [pid 7893] set_robust_list(0x555556dec5e0, 24 [pid 5008] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7893] <... set_robust_list resumed>) = 0 [pid 7891] <... write resumed>) = 4194304 [pid 7893] chdir("./136" [pid 7891] munmap(0x7f76a8756000, 4194304 [pid 7893] <... chdir resumed>) = 0 [pid 7893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7893] <... prctl resumed>) = 0 [pid 7893] setpgid(0, 0 [pid 5008] lstat("./134/file0", [pid 7893] <... setpgid resumed>) = 0 [pid 7893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7891] <... munmap resumed>) = 0 [pid 7888] <... ioctl resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7893] <... openat resumed>) = 3 [pid 7891] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7888] close(3 [pid 7893] write(3, "1000", 4 [pid 7891] <... openat resumed>) = 4 [pid 7888] <... close resumed>) = 0 [pid 5008] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7893] <... write resumed>) = 4 [pid 7891] ioctl(4, LOOP_SET_FD, 3 [pid 7888] mkdir("./file0", 0777 [pid 7893] close(3 [pid 7892] <... write resumed>) = 4194304 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7892] munmap(0x7f76a8756000, 4194304 [pid 5008] openat(AT_FDCWD, "./134/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7893] <... close resumed>) = 0 [pid 7891] <... ioctl resumed>) = 0 [pid 7888] <... mkdir resumed>) = 0 [pid 7893] symlink("/dev/binderfs", "./binderfs" [pid 7891] close(3 [pid 7888] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7893] <... symlink resumed>) = 0 [pid 7891] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 7893] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7891] mkdir("./file0", 0777 [ 269.232808][ T7888] loop2: detected capacity change from 0 to 8192 [ 269.271315][ T7891] loop4: detected capacity change from 0 to 8192 [pid 5008] fstat(4, [pid 7893] <... futex resumed>) = 0 [pid 7892] <... munmap resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7892] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] getdents64(4, [pid 7892] <... openat resumed>) = 4 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7892] ioctl(4, LOOP_SET_FD, 3 [pid 5008] getdents64(4, [pid 7893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7892] <... ioctl resumed>) = 0 [pid 7891] <... mkdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7892] close(3 [pid 5008] close(4 [pid 7892] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 7892] mkdir("./file0", 0777 [pid 5008] rmdir("./134/file0" [pid 7892] <... mkdir resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 7892] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5008] getdents64(3, [ 269.285870][ T7888] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.290873][ T7892] loop1: detected capacity change from 0 to 8192 [ 269.300580][ T7888] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 269.317248][ T7888] REISERFS (device loop2): using ordered data mode [pid 7893] <... mmap resumed>) = 0x7f76b0b56000 [pid 7891] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./134") = 0 [pid 5008] mkdir("./135", 0777 [pid 7893] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... mkdir resumed>) = 0 [pid 7893] <... mprotect resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7893] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... openat resumed>) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 7893] <... clone resumed>, parent_tid=[7897], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7897 [pid 5008] <... ioctl resumed>) = -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=0x555556dec5d0) = 7898 ./strace-static-x86_64: Process 7897 attached [pid 7897] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7897] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7898 attached [pid 7893] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7898] set_robust_list(0x555556dec5e0, 24 [pid 7897] <... futex resumed>) = 0 [pid 7893] <... futex resumed>) = 1 [pid 7898] <... set_robust_list resumed>) = 0 [pid 7897] memfd_create("syzkaller", 0 [pid 7898] chdir("./135" [pid 7897] <... memfd_create resumed>) = 3 [pid 7898] <... chdir resumed>) = 0 [pid 7897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7897] <... mmap resumed>) = 0x7f76a8756000 [pid 7898] <... prctl resumed>) = 0 [ 269.317761][ T7892] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.324001][ T7888] reiserfs: using flush barriers [ 269.347297][ T7892] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 269.356598][ T7888] 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 7898] setpgid(0, 0) = 0 [pid 7893] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7898] write(3, "1000", 4) = 4 [pid 7898] close(3) = 0 [pid 7898] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7898] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7898] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7898] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7899], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7899 [pid 7898] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7898] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7899 attached [pid 7899] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7899] memfd_create("syzkaller", 0) = 3 [pid 7899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 269.374447][ T7891] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.388276][ T7892] REISERFS (device loop1): using ordered data mode [ 269.397175][ T7888] REISERFS (device loop2): checking transaction log (loop2) [ 269.406505][ T7888] REISERFS (device loop2): Using r5 hash to sort names [ 269.414289][ T7888] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 269.427505][ T7891] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 269.437965][ T7891] REISERFS (device loop4): using ordered data mode [ 269.441451][ T7892] reiserfs: using flush barriers [ 269.444605][ T7891] reiserfs: using flush barriers [ 269.455553][ T7888] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 269.466681][ T7891] REISERFS (device loop4): 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 7888] <... mount resumed>) = 0 [pid 7888] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7888] chdir("./file0") = 0 [pid 7888] ioctl(4, LOOP_CLR_FD) = 0 [pid 7888] close(4) = 0 [pid 7888] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7887] <... futex resumed>) = 0 [pid 7887] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7888] mkdir("./file1", 000 [pid 7887] <... futex resumed>) = 0 [pid 7888] <... mkdir resumed>) = 0 [pid 7887] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7888] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7887] <... futex resumed>) = 0 [pid 7888] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7887] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7887] <... futex resumed>) = 0 [pid 7888] mkdir("./bus", 000 [pid 7887] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7888] <... mkdir resumed>) = 0 [pid 7888] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7887] <... futex resumed>) = 0 [pid 7888] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7887] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7888] <... futex resumed>) = 0 [pid 7887] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 269.466715][ T7892] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 269.483274][ T7891] REISERFS (device loop4): checking transaction log (loop4) [ 269.510776][ T7891] REISERFS (device loop4): Using r5 hash to sort names [pid 7888] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7897] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7887] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7887] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7899] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 269.546414][ T7888] overlayfs: upper fs needs to support d_type. [ 269.546849][ T7891] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 269.552652][ T7888] overlayfs: upper fs does not support tmpfile. [ 269.566398][ T7891] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7887] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7891] <... mount resumed>) = 0 [pid 7887] <... mprotect resumed>) = 0 [pid 7887] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7900], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7900 [pid 7887] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7887] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7900 attached [pid 7900] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7900] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7900] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7891] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7891] chdir("./file0") = 0 [pid 7891] ioctl(4, LOOP_CLR_FD) = 0 [pid 7891] close(4) = 0 [pid 7891] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7889] <... futex resumed>) = 0 [pid 7891] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7889] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7889] <... futex resumed>) = 0 [pid 7891] mkdir("./file1", 000 [pid 7889] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7891] <... mkdir resumed>) = 0 [ 269.607542][ T7888] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 269.636203][ T7900] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7897] <... write resumed>) = 4194304 [pid 7891] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7889] <... futex resumed>) = 0 [pid 7891] mkdir("./bus", 000 [pid 7889] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7897] munmap(0x7f76a8756000, 4194304 [pid 7889] <... futex resumed>) = 0 [pid 7891] <... mkdir resumed>) = 0 [pid 7889] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7891] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7891] <... futex resumed>) = 0 [pid 7889] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7891] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7889] <... futex resumed>) = 0 [pid 7889] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7897] <... munmap resumed>) = 0 [ 269.654285][ T7892] REISERFS (device loop1): checking transaction log (loop1) [ 269.671317][ T7891] overlayfs: upper fs needs to support d_type. [ 269.672232][ T7892] REISERFS (device loop1): Using r5 hash to sort names [ 269.686244][ T7891] overlayfs: upper fs does not support tmpfile. [ 269.689215][ T7892] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7897] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7900] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7900] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7887] <... futex resumed>) = 0 [pid 7900] <... futex resumed>) = 1 [pid 7900] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7897] <... openat resumed>) = 4 [pid 7889] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7897] ioctl(4, LOOP_SET_FD, 3 [pid 7889] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7892] <... mount resumed>) = 0 [pid 7892] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7892] chdir("./file0") = 0 [pid 7892] ioctl(4, LOOP_CLR_FD) = 0 [pid 7892] close(4 [pid 7889] <... futex resumed>) = 0 [pid 7889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7889] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7889] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7897] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 7901 attached [pid 7897] close(3 [pid 7889] <... clone resumed>, parent_tid=[7901], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7901 [pid 7888] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7901] set_robust_list(0x7f76a8b559e0, 24 [pid 7897] <... close resumed>) = 0 [pid 7889] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7888] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7901] <... set_robust_list resumed>) = 0 [pid 7897] mkdir("./file0", 0777 [pid 7889] <... futex resumed>) = 0 [pid 7888] <... futex resumed>) = 0 [pid 7887] exit_group(0 [pid 7900] <... futex resumed>) = ? [ 269.692851][ T7888] overlayfs: failed to resolve './file0': -2 [ 269.707704][ T7892] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 269.722322][ T7891] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 269.730167][ T7897] loop3: detected capacity change from 0 to 8192 [pid 7892] <... close resumed>) = 0 [pid 7887] <... exit_group resumed>) = ? [pid 7901] mkdir(".", 0777 [pid 7900] +++ exited with 0 +++ [pid 7897] <... mkdir resumed>) = 0 [pid 7892] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7889] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7901] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7897] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7892] <... futex resumed>) = 1 [pid 7892] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7890] <... futex resumed>) = 0 [pid 7888] +++ exited with 0 +++ [pid 7887] +++ exited with 0 +++ [pid 7901] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7899] <... write resumed>) = 4194304 [pid 7890] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7892] <... futex resumed>) = 0 [pid 7890] <... futex resumed>) = 1 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7887, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 7892] mkdir("./file1", 000 [pid 7890] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7892] <... mkdir resumed>) = 0 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 7892] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7892] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... restart_syscall resumed>) = 0 [pid 7890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7890] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7892] <... futex resumed>) = 0 [pid 7890] <... futex resumed>) = 1 [pid 7892] mkdir("./bus", 000 [pid 7890] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7892] <... mkdir resumed>) = 0 [pid 5010] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7892] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7892] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7890] <... futex resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7890] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7892] <... futex resumed>) = 0 [pid 7890] <... futex resumed>) = 1 [pid 5010] <... openat resumed>) = 3 [ 269.760021][ T7891] overlayfs: failed to resolve './file0': -2 [ 269.782502][ T7897] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7892] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7891] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7890] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] fstat(3, [pid 7901] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7899] munmap(0x7f76a8756000, 4194304 [pid 7891] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7901] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7899] <... munmap resumed>) = 0 [pid 7891] <... futex resumed>) = 0 [pid 5010] getdents64(3, [pid 7899] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7891] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7899] <... openat resumed>) = 4 [pid 5010] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 269.809985][ T7901] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 269.810479][ T7892] overlayfs: upper fs needs to support d_type. [ 269.829640][ T7897] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 269.829756][ T7897] REISERFS (device loop3): using ordered data mode [ 269.839960][ T7892] overlayfs: upper fs does not support tmpfile. [pid 7899] ioctl(4, LOOP_SET_FD, 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7901] <... futex resumed>) = 1 [pid 7889] <... futex resumed>) = 0 [pid 5010] lstat("./136/binderfs", [pid 7889] exit_group(0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7891] <... futex resumed>) = ? [pid 7889] <... exit_group resumed>) = ? [pid 5010] unlink("./136/binderfs" [pid 7891] +++ exited with 0 +++ [pid 5010] <... unlink resumed>) = 0 [pid 5010] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7899] <... ioctl resumed>) = 0 [pid 7899] close(3) = 0 [pid 7899] mkdir("./file0", 0777) = 0 [pid 7899] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7901] +++ exited with 0 +++ [pid 7892] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7889] +++ exited with 0 +++ [pid 7892] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7890] <... futex resumed>) = 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7889, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7890] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 269.854719][ T7892] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 269.861147][ T7899] loop0: detected capacity change from 0 to 8192 [ 269.864940][ T7892] overlayfs: failed to resolve './file0': -2 [ 269.880995][ T7897] reiserfs: using flush barriers [ 269.889310][ T7897] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7890] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7892] mkdir(".", 0777 [pid 5012] restart_syscall(<... resuming interrupted clone ...> [pid 7892] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5012] <... restart_syscall resumed>) = 0 [pid 7892] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./137/binderfs") = 0 [ 269.893554][ T7899] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.919583][ T7899] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 269.921596][ T7892] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 269.929895][ T7899] REISERFS (device loop0): using ordered data mode [ 269.949269][ T7899] reiserfs: using flush barriers [pid 5012] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7892] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7892] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7890] <... futex resumed>) = 0 [pid 7892] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7890] exit_group(0 [pid 7892] <... futex resumed>) = ? [pid 7890] <... exit_group resumed>) = ? [pid 7892] +++ exited with 0 +++ [pid 7890] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7890, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5009] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 269.955892][ T7897] REISERFS (device loop3): checking transaction log (loop3) [ 269.963515][ T7899] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 269.973888][ T7897] REISERFS (device loop3): Using r5 hash to sort names [ 269.988732][ T7897] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5009] unlink("./135/binderfs") = 0 [pid 7897] <... mount resumed>) = 0 [pid 7897] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7897] chdir("./file0") = 0 [pid 7897] ioctl(4, LOOP_CLR_FD) = 0 [pid 7897] close(4 [pid 5009] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7897] <... close resumed>) = 0 [pid 7897] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7893] <... futex resumed>) = 0 [pid 7893] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7893] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7897] <... futex resumed>) = 1 [pid 7897] mkdir("./file1", 000) = 0 [pid 7897] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7893] <... futex resumed>) = 0 [pid 7893] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7893] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7897] <... futex resumed>) = 1 [pid 7897] mkdir("./bus", 000) = 0 [pid 7897] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7893] <... futex resumed>) = 0 [pid 7893] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7893] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7897] <... futex resumed>) = 1 [ 270.006273][ T7899] REISERFS (device loop0): checking transaction log (loop0) [ 270.014923][ T7897] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 270.016804][ T7899] REISERFS (device loop0): Using r5 hash to sort names [ 270.043942][ T7897] overlayfs: upper fs needs to support d_type. [pid 7897] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7893] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7893] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7893] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7904], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7904 [pid 7893] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 270.059851][ T7897] overlayfs: upper fs does not support tmpfile. [pid 7893] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7904 attached [pid 7904] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7904] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7904] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./136/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 270.094993][ T7897] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 270.096780][ T7899] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 270.123904][ T7904] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5010] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] <... umount2 resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./136/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7904] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7904] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7893] <... futex resumed>) = 0 [pid 7904] <... futex resumed>) = 1 [pid 7904] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... openat resumed>) = 4 [pid 7897] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7897] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7893] exit_group(0 [pid 7904] <... futex resumed>) = ? [pid 7893] <... exit_group resumed>) = ? [pid 7904] +++ exited with 0 +++ [pid 7897] <... futex resumed>) = ? [pid 7897] +++ exited with 0 +++ [pid 7893] +++ exited with 0 +++ [pid 5012] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] fstat(4, [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7893, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, [pid 5011] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] fstat(3, [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] close(4 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5011] getdents64(3, [pid 5010] rmdir("./136/file0" [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... rmdir resumed>) = 0 [pid 5011] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(3, [pid 5009] <... umount2 resumed>) = 0 [pid 5009] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./135/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./136/binderfs", [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] openat(AT_FDCWD, "./135/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] unlink("./136/binderfs" [pid 5010] close(3 [pid 5009] <... openat resumed>) = 4 [pid 5009] fstat(4, [pid 5011] <... unlink resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5011] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] rmdir("./136" [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4 [pid 5010] <... rmdir resumed>) = 0 [pid 5010] mkdir("./137", 0777 [pid 5009] <... close resumed>) = 0 [pid 5009] rmdir("./135/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./135") = 0 [pid 5009] mkdir("./136", 0777) = 0 [pid 7899] <... mount resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7899] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5009] <... openat resumed>) = 3 [pid 7899] <... openat resumed>) = 3 [pid 7899] chdir("./file0" [pid 5009] ioctl(3, LOOP_CLR_FD [pid 7899] <... chdir resumed>) = 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7899] ioctl(4, LOOP_CLR_FD) = 0 [pid 5009] close(3) = 0 [pid 7899] close(4 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] lstat("./137/file0", [pid 5010] <... mkdir resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7899] <... close resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 7899] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7898] <... futex resumed>) = 0 [pid 7898] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] ioctl(3, LOOP_CLR_FD [pid 7898] <... futex resumed>) = 0 [pid 7898] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] openat(AT_FDCWD, "./137/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] close(3 [pid 7899] <... futex resumed>) = 1 [pid 5010] <... close resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7906 [ 270.177834][ T7897] overlayfs: failed to resolve './file0': -2 [ 270.192184][ T7899] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 7906 attached [pid 7899] mkdir("./file1", 000 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4 [pid 7899] <... mkdir resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5012] rmdir("./137/file0" [pid 7899] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7898] <... futex resumed>) = 0 [pid 7899] mkdir("./bus", 000 [pid 7898] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... rmdir resumed>) = 0 [pid 7906] set_robust_list(0x555556dec5e0, 24 [pid 7899] <... mkdir resumed>) = 0 [pid 7898] <... futex resumed>) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7905 [pid 5012] getdents64(3, [pid 7906] <... set_robust_list resumed>) = 0 [pid 7899] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7898] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7905 attached [pid 7899] <... futex resumed>) = 0 [pid 7898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] close(3 [pid 7906] chdir("./137" [pid 7905] set_robust_list(0x555556dec5e0, 24 [pid 7899] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7898] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... close resumed>) = 0 [pid 7906] <... chdir resumed>) = 0 [pid 7905] <... set_robust_list resumed>) = 0 [pid 7898] <... futex resumed>) = 0 [pid 5012] rmdir("./137" [pid 7906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7905] chdir("./136" [pid 7898] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7905] <... chdir resumed>) = 0 [pid 7905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7905] setpgid(0, 0) = 0 [pid 7905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7905] write(3, "1000", 4) = 4 [pid 7906] <... prctl resumed>) = 0 [pid 7905] close(3 [pid 5012] <... rmdir resumed>) = 0 [pid 7906] setpgid(0, 0 [pid 7905] <... close resumed>) = 0 [pid 5012] mkdir("./138", 0777 [pid 7906] <... setpgid resumed>) = 0 [pid 7905] symlink("/dev/binderfs", "./binderfs" [pid 7906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7905] <... symlink resumed>) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 7906] <... openat resumed>) = 3 [pid 7905] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7906] write(3, "1000", 4 [pid 7905] <... futex resumed>) = 0 [pid 7905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7906] <... write resumed>) = 4 [pid 7905] <... mmap resumed>) = 0x7f76b0b56000 [pid 5012] <... openat resumed>) = 3 [pid 7906] close(3 [pid 7905] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5012] ioctl(3, LOOP_CLR_FD [pid 7906] <... close resumed>) = 0 [pid 7905] <... mprotect resumed>) = 0 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7906] symlink("/dev/binderfs", "./binderfs" [pid 7905] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] close(3 [pid 7906] <... symlink resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 7906] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7905] <... clone resumed>, parent_tid=[7907], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7907 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7906] <... futex resumed>) = 0 [pid 7905] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7905] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7908 [pid 7906] <... mmap resumed>) = 0x7f76b0b56000 ./strace-static-x86_64: Process 7907 attached [pid 7906] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7907] set_robust_list(0x7f76b0b769e0, 24 [pid 7906] <... mprotect resumed>) = 0 [pid 7907] <... set_robust_list resumed>) = 0 [pid 7906] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7907] memfd_create("syzkaller", 0) = 3 [pid 7906] <... clone resumed>, parent_tid=[7909], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7909 [pid 7906] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7907] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7906] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7907] <... mmap resumed>) = 0x7f76a8756000 [pid 7898] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 270.252254][ T7899] overlayfs: upper fs needs to support d_type. [ 270.283781][ T7899] overlayfs: upper fs does not support tmpfile. [pid 7898] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7909 attached ./strace-static-x86_64: Process 7908 attached ) = 0 [pid 7909] set_robust_list(0x7f76b0b769e0, 24 [pid 7908] set_robust_list(0x555556dec5e0, 24 [pid 7898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7909] <... set_robust_list resumed>) = 0 [pid 7908] <... set_robust_list resumed>) = 0 [pid 7898] <... mmap resumed>) = 0x7f76a8b35000 [pid 7898] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7909] memfd_create("syzkaller", 0 [pid 7908] chdir("./138" [pid 7898] <... mprotect resumed>) = 0 [pid 7909] <... memfd_create resumed>) = 3 [pid 7908] <... chdir resumed>) = 0 [pid 7898] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7909] <... mmap resumed>) = 0x7f76a8756000 [pid 7908] <... prctl resumed>) = 0 [pid 7898] <... clone resumed>, parent_tid=[7910], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7910 [pid 7908] setpgid(0, 0 [pid 7898] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7898] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7910 attached [pid 7910] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7910] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7910] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7908] <... setpgid resumed>) = 0 [pid 7908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7908] write(3, "1000", 4) = 4 [pid 7908] close(3) = 0 [pid 7908] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7908] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] <... umount2 resumed>) = 0 [ 270.323988][ T7899] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7909] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7908] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7908] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] lstat("./136/file0", [pid 7908] <... mprotect resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7908] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7908] <... clone resumed>, parent_tid=[7911], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7911 [pid 7908] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] openat(AT_FDCWD, "./136/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7908] <... futex resumed>) = 0 [pid 7908] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... openat resumed>) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./136/file0") = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./136") = 0 [pid 5011] mkdir("./137", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 7911 attached ) = -1 ENXIO (No such device or address) [pid 7911] set_robust_list(0x7f76b0b769e0, 24 [pid 5011] close(3 [pid 7911] <... set_robust_list resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 7911] memfd_create("syzkaller", 0) = 3 [pid 7911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7899] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7899] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 270.377570][ T7899] overlayfs: failed to resolve './file0': -2 [ 270.384905][ T7910] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7899] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7912 [pid 7907] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7910] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7910] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7898] <... futex resumed>) = 0 [pid 7910] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7898] exit_group(0./strace-static-x86_64: Process 7912 attached [pid 7910] <... futex resumed>) = ? [pid 7899] <... futex resumed>) = ? [pid 7898] <... exit_group resumed>) = ? [pid 7910] +++ exited with 0 +++ [pid 7899] +++ exited with 0 +++ [pid 7898] +++ exited with 0 +++ [pid 7912] set_robust_list(0x555556dec5e0, 24 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7898, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 7912] <... set_robust_list resumed>) = 0 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 7912] chdir("./137" [pid 5008] <... restart_syscall resumed>) = 0 [pid 7912] <... chdir resumed>) = 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, [pid 7912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7912] <... prctl resumed>) = 0 [pid 5008] getdents64(3, [pid 7912] setpgid(0, 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7912] <... setpgid resumed>) = 0 [pid 5008] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7912] <... openat resumed>) = 3 [pid 5008] lstat("./135/binderfs", [pid 7912] write(3, "1000", 4 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7912] <... write resumed>) = 4 [pid 5008] unlink("./135/binderfs" [pid 7912] close(3 [pid 5008] <... unlink resumed>) = 0 [pid 7912] <... close resumed>) = 0 [pid 5008] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7912] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7912] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7912] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7912] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7913], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7913 [pid 7912] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7913 attached ) = 0 [pid 7912] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7913] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7913] memfd_create("syzkaller", 0) = 3 [pid 7913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7911] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7909] <... write resumed>) = 4194304 [pid 7909] munmap(0x7f76a8756000, 4194304) = 0 [pid 7909] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7909] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7909] close(3) = 0 [pid 7909] mkdir("./file0", 0777) = 0 [pid 7907] <... write resumed>) = 4194304 [pid 7909] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7907] munmap(0x7f76a8756000, 4194304) = 0 [pid 7907] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./135/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./135/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5008] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 270.570424][ T7909] loop2: detected capacity change from 0 to 8192 [ 270.607708][ T7909] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5008] getdents64(4, [pid 7913] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7907] <... openat resumed>) = 4 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./135/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./135") = 0 [pid 7907] ioctl(4, LOOP_SET_FD, 3 [pid 5008] mkdir("./136", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 7907] <... ioctl resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 7907] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7907] mkdir("./file0", 0777) = 0 [pid 7907] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7915 [ 270.623392][ T7909] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 270.637004][ T7907] loop1: detected capacity change from 0 to 8192 ./strace-static-x86_64: Process 7915 attached [pid 7915] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7915] chdir("./136") = 0 [pid 7915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7915] setpgid(0, 0) = 0 [pid 7915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7915] write(3, "1000", 4) = 4 [pid 7915] close(3) = 0 [pid 7915] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7911] <... write resumed>) = 4194304 [pid 7915] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7915] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7915] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7913] <... write resumed>) = 4194304 [pid 7911] munmap(0x7f76a8756000, 4194304 [pid 7915] <... clone resumed>, parent_tid=[7917], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7917 [pid 7915] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7913] munmap(0x7f76a8756000, 4194304 [pid 7915] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7913] <... munmap resumed>) = 0 [pid 7911] <... munmap resumed>) = 0 [pid 7913] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 7917 attached [ 270.676893][ T7907] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 270.701270][ T7909] REISERFS (device loop2): using ordered data mode [ 270.703132][ T7907] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 270.717905][ T7907] REISERFS (device loop1): using ordered data mode [pid 7911] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7913] <... openat resumed>) = 4 [pid 7913] ioctl(4, LOOP_SET_FD, 3 [pid 7917] set_robust_list(0x7f76b0b769e0, 24 [pid 7911] <... openat resumed>) = 4 [pid 7913] <... ioctl resumed>) = 0 [pid 7913] close(3) = 0 [pid 7917] <... set_robust_list resumed>) = 0 [pid 7911] ioctl(4, LOOP_SET_FD, 3 [pid 7913] mkdir("./file0", 0777) = 0 [pid 7913] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7917] memfd_create("syzkaller", 0 [pid 7911] <... ioctl resumed>) = 0 [pid 7917] <... memfd_create resumed>) = 3 [pid 7911] close(3 [pid 7917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7911] <... close resumed>) = 0 [pid 7917] <... mmap resumed>) = 0x7f76a8756000 [ 270.728493][ T7907] reiserfs: using flush barriers [ 270.732192][ T7913] loop3: detected capacity change from 0 to 8192 [ 270.735593][ T7909] reiserfs: using flush barriers [ 270.745434][ T7907] 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 [ 270.762604][ T7911] loop4: detected capacity change from 0 to 8192 [pid 7911] mkdir("./file0", 0777) = 0 [ 270.772268][ T7909] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 270.790612][ T7909] REISERFS (device loop2): checking transaction log (loop2) [ 270.798379][ T7913] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 270.812034][ T7909] REISERFS (device loop2): Using r5 hash to sort names [ 270.815789][ T7907] REISERFS (device loop1): checking transaction log (loop1) [pid 7911] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7909] <... mount resumed>) = 0 [pid 7917] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 270.819242][ T7909] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 270.839178][ T7909] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 270.840860][ T7913] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 270.849841][ T7907] REISERFS (device loop1): Using r5 hash to sort names [ 270.858723][ T7911] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7909] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7909] chdir("./file0") = 0 [pid 7909] ioctl(4, LOOP_CLR_FD) = 0 [pid 7909] close(4) = 0 [pid 7909] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7906] <... futex resumed>) = 0 [pid 7909] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7906] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7906] <... futex resumed>) = 0 [pid 7909] mkdir("./file1", 000 [pid 7906] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7909] <... mkdir resumed>) = 0 [pid 7909] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7906] <... futex resumed>) = 0 [pid 7909] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7906] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7906] <... futex resumed>) = 0 [pid 7909] mkdir("./bus", 000 [pid 7906] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7909] <... mkdir resumed>) = 0 [ 270.872369][ T7907] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 270.879477][ T7911] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 270.902193][ T7911] REISERFS (device loop4): using ordered data mode [ 270.905513][ T7913] REISERFS (device loop3): using ordered data mode [pid 7909] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7906] <... futex resumed>) = 0 [pid 7909] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7906] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7906] <... futex resumed>) = 0 [pid 7909] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7906] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7907] <... mount resumed>) = 0 [pid 7907] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7907] chdir("./file0") = 0 [pid 7907] ioctl(4, LOOP_CLR_FD [pid 7906] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7906] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7907] <... ioctl resumed>) = 0 [pid 7906] <... futex resumed>) = 0 [pid 7907] close(4 [pid 7906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7907] <... close resumed>) = 0 [pid 7906] <... mmap resumed>) = 0x7f76a8b35000 [pid 7907] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7906] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7907] <... futex resumed>) = 1 [pid 7905] <... futex resumed>) = 0 [pid 7907] mkdir("./file1", 000 [pid 7906] <... mprotect resumed>) = 0 [pid 7905] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7907] <... mkdir resumed>) = 0 [pid 7906] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7905] <... futex resumed>) = 0 [ 270.920965][ T7907] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 270.933679][ T7911] reiserfs: using flush barriers [ 270.934476][ T7909] overlayfs: upper fs needs to support d_type. [ 270.940484][ T7913] reiserfs: using flush barriers [ 270.950348][ T7909] overlayfs: upper fs does not support tmpfile. [ 270.950736][ T7911] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 270.965970][ T7909] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7907] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7905] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7907] <... futex resumed>) = 0 [pid 7905] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7907] mkdir("./bus", 000 [pid 7906] <... clone resumed>, parent_tid=[7920], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7920 [pid 7905] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7907] <... mkdir resumed>) = 0 [pid 7906] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7907] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7906] <... futex resumed>) = 0 [pid 7907] <... futex resumed>) = 1 [pid 7906] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7905] <... futex resumed>) = 0 [pid 7907] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7905] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7905] <... futex resumed>) = 0 [pid 7907] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7905] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7920 attached [pid 7917] <... write resumed>) = 4194304 [pid 7920] set_robust_list(0x7f76a8b559e0, 24 [pid 7917] munmap(0x7f76a8756000, 4194304 [pid 7920] <... set_robust_list resumed>) = 0 [pid 7920] mkdir(".", 0777 [pid 7917] <... munmap resumed>) = 0 [ 271.000688][ T7909] overlayfs: failed to resolve './file0': -2 [ 271.014068][ T7907] overlayfs: upper fs needs to support d_type. [ 271.022867][ T7907] overlayfs: upper fs does not support tmpfile. [ 271.031525][ T7913] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7920] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7917] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7909] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7905] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7920] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7917] <... openat resumed>) = 4 [pid 7909] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7905] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7905] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7905] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7921], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7921 [pid 7905] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7905] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7917] ioctl(4, LOOP_SET_FD, 3 [pid 7909] <... futex resumed>) = 0 [pid 7917] <... ioctl resumed>) = 0 [pid 7909] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7917] close(3) = 0 [pid 7917] mkdir("./file0", 0777) = 0 [ 271.034379][ T7907] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 271.050958][ T7911] REISERFS (device loop4): checking transaction log (loop4) [ 271.059109][ T7907] overlayfs: failed to resolve './file0': -2 [ 271.080236][ T7917] loop0: detected capacity change from 0 to 8192 [ 271.082725][ T7920] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7917] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7921 attached [pid 7907] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7921] set_robust_list(0x7f76a8b559e0, 24 [pid 7907] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7921] <... set_robust_list resumed>) = 0 [pid 7921] mkdir(".", 0777) = -1 EEXIST (File exists) [ 271.106717][ T7913] REISERFS (device loop3): checking transaction log (loop3) [ 271.120924][ T7913] REISERFS (device loop3): Using r5 hash to sort names [ 271.128947][ T7917] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 271.129513][ T7911] REISERFS (device loop4): Using r5 hash to sort names [pid 7921] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7907] <... futex resumed>) = 0 [pid 7921] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7907] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7921] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7920] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7920] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7921] <... futex resumed>) = 1 [pid 7905] <... futex resumed>) = 0 [pid 7921] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7905] exit_group(0 [pid 7921] <... futex resumed>) = ? [pid 7907] <... futex resumed>) = ? [pid 7905] <... exit_group resumed>) = ? [pid 7921] +++ exited with 0 +++ [pid 7907] +++ exited with 0 +++ [pid 7906] <... futex resumed>) = 0 [pid 7906] exit_group(0 [pid 7909] <... futex resumed>) = ? [pid 7906] <... exit_group resumed>) = ? [ 271.151987][ T7917] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 271.160500][ T7921] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 271.175018][ T7917] REISERFS (device loop0): using ordered data mode [ 271.176327][ T7913] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 271.182393][ T7917] reiserfs: using flush barriers [pid 7909] +++ exited with 0 +++ [pid 7905] +++ exited with 0 +++ [pid 7920] <... futex resumed>) = ? [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7905, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7920] +++ exited with 0 +++ [pid 7906] +++ exited with 0 +++ [pid 5009] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7906, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5009] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5009] <... openat resumed>) = 3 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, [pid 5010] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... openat resumed>) = 3 [pid 5009] lstat("./136/binderfs", [pid 5010] fstat(3, [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] unlink("./136/binderfs" [pid 5010] getdents64(3, [pid 5009] <... unlink resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./137/binderfs") = 0 [ 271.206264][ T7917] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 271.223457][ T7917] REISERFS (device loop0): checking transaction log (loop0) [ 271.233841][ T7917] REISERFS (device loop0): Using r5 hash to sort names [ 271.236429][ T7911] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5010] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7917] <... mount resumed>) = 0 [pid 7917] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7917] chdir("./file0") = 0 [pid 7911] <... mount resumed>) = 0 [pid 7917] ioctl(4, LOOP_CLR_FD [pid 7911] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7917] <... ioctl resumed>) = 0 [pid 7917] close(4 [pid 7911] <... openat resumed>) = 3 [pid 7917] <... close resumed>) = 0 [pid 7917] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7911] chdir("./file0" [pid 7917] <... futex resumed>) = 1 [pid 7915] <... futex resumed>) = 0 [pid 7911] <... chdir resumed>) = 0 [pid 7917] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7915] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7911] ioctl(4, LOOP_CLR_FD [pid 7917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7915] <... futex resumed>) = 0 [pid 7917] mkdir("./file1", 000 [pid 7915] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7911] <... ioctl resumed>) = 0 [pid 7917] <... mkdir resumed>) = 0 [pid 7911] close(4 [pid 7917] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7915] <... futex resumed>) = 0 [pid 7911] <... close resumed>) = 0 [pid 7917] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7915] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7911] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7915] <... futex resumed>) = 0 [pid 7917] mkdir("./bus", 000 [pid 7915] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7911] <... futex resumed>) = 1 [pid 7908] <... futex resumed>) = 0 [pid 7917] <... mkdir resumed>) = 0 [pid 7911] mkdir("./file1", 000 [pid 7908] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7917] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7908] <... futex resumed>) = 0 [pid 7908] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7911] <... mkdir resumed>) = 0 [pid 7917] <... futex resumed>) = 1 [pid 7915] <... futex resumed>) = 0 [pid 7911] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7917] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7915] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7911] <... futex resumed>) = 1 [pid 7908] <... futex resumed>) = 0 [pid 7917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7915] <... futex resumed>) = 0 [pid 7911] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 271.241568][ T7917] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 271.255598][ T7913] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 271.275403][ T7917] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 271.285874][ T7911] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7908] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7917] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7915] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7908] <... futex resumed>) = 0 [pid 7908] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7911] mkdir("./bus", 000) = 0 [pid 7911] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7908] <... futex resumed>) = 0 [pid 7911] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7908] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7908] <... futex resumed>) = 0 [pid 7911] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7908] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7913] <... mount resumed>) = 0 [pid 7913] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7913] chdir("./file0") = 0 [pid 7913] ioctl(4, LOOP_CLR_FD [pid 7915] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7913] <... ioctl resumed>) = 0 [pid 7915] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7913] close(4 [pid 7915] <... mmap resumed>) = 0x7f76a8b35000 [pid 7913] <... close resumed>) = 0 [pid 7915] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7913] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7915] <... mprotect resumed>) = 0 [pid 7913] <... futex resumed>) = 1 [pid 7912] <... futex resumed>) = 0 [pid 7915] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7913] mkdir("./file1", 000 [pid 7912] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7913] <... mkdir resumed>) = 0 [pid 7912] <... futex resumed>) = 0 [pid 7915] <... clone resumed>, parent_tid=[7923], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7923 [pid 7913] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7912] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7915] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7913] <... futex resumed>) = 0 [pid 7912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 271.315421][ T7917] overlayfs: upper fs needs to support d_type. [ 271.322458][ T7917] overlayfs: upper fs does not support tmpfile. [ 271.335523][ T7917] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 271.349815][ T7911] overlayfs: upper fs needs to support d_type. [pid 7915] <... futex resumed>) = 0 [pid 7913] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7912] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7923 attached [pid 7913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7912] <... futex resumed>) = 0 [pid 7923] set_robust_list(0x7f76a8b559e0, 24 [pid 7913] mkdir("./bus", 000 [pid 7912] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7923] <... set_robust_list resumed>) = 0 [pid 7913] <... mkdir resumed>) = 0 [pid 7923] mkdir(".", 0777 [pid 7913] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7923] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7915] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7913] <... futex resumed>) = 1 [pid 7912] <... futex resumed>) = 0 [pid 7923] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7913] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7912] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7912] <... futex resumed>) = 0 [pid 7913] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7912] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7908] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7908] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7908] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7908] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7925], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7925 [pid 7908] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7908] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7925 attached [pid 7925] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7925] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7925] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7912] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7912] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7912] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7912] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7926], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7926 [pid 7912] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 271.406643][ T7913] overlayfs: upper fs needs to support d_type. [ 271.412916][ T7913] overlayfs: upper fs does not support tmpfile. [ 271.422519][ T7917] overlayfs: failed to resolve './file0': -2 [ 271.430607][ T7911] overlayfs: upper fs does not support tmpfile. [ 271.433210][ T7923] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7912] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7926 attached [pid 7926] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7926] mkdir(".", 0777) = -1 EEXIST (File exists) [ 271.483344][ T7913] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 271.491285][ T7925] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7926] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7923] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = 0 [pid 7923] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7915] <... futex resumed>) = 0 [pid 7923] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5009] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7917] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 271.520859][ T7926] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 7917] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7915] exit_group(0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7923] <... futex resumed>) = ? [pid 7915] <... exit_group resumed>) = ? [pid 5009] lstat("./136/file0", [pid 7923] +++ exited with 0 +++ [pid 7917] +++ exited with 0 +++ [pid 7925] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7925] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7908] <... futex resumed>) = 0 [pid 7925] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7915] +++ exited with 0 +++ [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7915, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5009] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./136/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... openat resumed>) = 4 [pid 5008] <... openat resumed>) = 3 [pid 7926] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(3, [pid 7926] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] fstat(4, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 7926] <... futex resumed>) = 1 [pid 7912] <... futex resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7926] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./136/binderfs") = 0 [pid 5008] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./136/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./136") = 0 [pid 7913] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5009] mkdir("./137", 0777 [pid 7913] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 7913] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7912] exit_group(0 [pid 7926] <... futex resumed>) = ? [pid 7913] <... futex resumed>) = ? [ 271.563119][ T7911] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 271.587393][ T7913] overlayfs: failed to resolve './file0': -2 [ 271.596519][ T7911] overlayfs: failed to resolve './file0': -2 [pid 7912] <... exit_group resumed>) = ? [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7926] +++ exited with 0 +++ [pid 7913] +++ exited with 0 +++ [pid 5010] <... umount2 resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5010] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] lstat("./137/file0", [pid 5009] close(3 [pid 7912] +++ exited with 0 +++ [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... close resumed>) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7912, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5010] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./137/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7927 [pid 5011] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... openat resumed>) = 4 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] fstat(4, [pid 5011] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... openat resumed>) = 3 [pid 5010] getdents64(4, [pid 5011] fstat(3, [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7927 attached [pid 5010] close(4 [pid 7927] set_robust_list(0x555556dec5e0, 24 [pid 5010] <... close resumed>) = 0 [pid 7927] <... set_robust_list resumed>) = 0 [pid 5010] rmdir("./137/file0" [pid 7927] chdir("./137" [pid 7911] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 7927] <... chdir resumed>) = 0 [pid 7911] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(3, [pid 5010] getdents64(3, [pid 7927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7911] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7927] <... prctl resumed>) = 0 [pid 7911] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7908] exit_group(0 [pid 5011] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] close(3 [pid 7927] setpgid(0, 0 [pid 7925] <... futex resumed>) = ? [pid 7911] <... futex resumed>) = ? [pid 7908] <... exit_group resumed>) = ? [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... close resumed>) = 0 [pid 7927] <... setpgid resumed>) = 0 [pid 7925] +++ exited with 0 +++ [pid 7911] +++ exited with 0 +++ [pid 5010] rmdir("./137" [pid 7927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... rmdir resumed>) = 0 [pid 7927] <... openat resumed>) = 3 [pid 7908] +++ exited with 0 +++ [pid 5011] lstat("./137/binderfs", [pid 5010] mkdir("./138", 0777 [pid 7927] write(3, "1000", 4 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7908, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 7927] <... write resumed>) = 4 [pid 5011] unlink("./137/binderfs" [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7927] close(3 [pid 5011] <... unlink resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 7927] <... close resumed>) = 0 [pid 5012] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] ioctl(3, LOOP_CLR_FD [pid 7927] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7927] <... symlink resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] close(3 [pid 7927] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... openat resumed>) = 3 [pid 5010] <... close resumed>) = 0 [pid 7927] <... futex resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7928 [pid 7927] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7927] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7929], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7929 [pid 7927] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7927] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7928 attached [pid 7928] set_robust_list(0x555556dec5e0, 24 [pid 5012] fstat(3, [pid 7928] <... set_robust_list resumed>) = 0 [pid 7928] chdir("./138") = 0 [pid 7928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7928] setpgid(0, 0) = 0 [pid 7928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7928] write(3, "1000", 4) = 4 [pid 7928] close(3) = 0 [pid 7928] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, [pid 7928] <... symlink resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7928] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7928] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] lstat("./138/binderfs", [pid 7928] <... mmap resumed>) = 0x7f76b0b56000 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7929 attached [pid 7928] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5012] unlink("./138/binderfs" [pid 7929] set_robust_list(0x7f76b0b769e0, 24 [pid 7928] <... mprotect resumed>) = 0 [pid 5012] <... unlink resumed>) = 0 [pid 7929] <... set_robust_list resumed>) = 0 [pid 7928] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7929] memfd_create("syzkaller", 0 [pid 7928] <... clone resumed>, parent_tid=[7930], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7930 [pid 7928] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7929] <... memfd_create resumed>) = 3 [pid 7928] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7929] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 ./strace-static-x86_64: Process 7930 attached [pid 7930] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7930] memfd_create("syzkaller", 0) = 3 [pid 7930] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./136/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./136/file0", 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, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4 [pid 7929] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./136/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./136") = 0 [pid 5008] mkdir("./137", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 7930] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7931 ./strace-static-x86_64: Process 7931 attached [pid 7931] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7931] chdir("./137") = 0 [pid 7931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7931] setpgid(0, 0) = 0 [pid 7931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7931] write(3, "1000", 4) = 4 [pid 7931] close(3) = 0 [pid 7931] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7931] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7931] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7931] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7932], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7932 [pid 7931] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7931] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7932 attached [pid 7932] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7932] memfd_create("syzkaller", 0) = 3 [pid 7932] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./137/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./137/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... umount2 resumed>) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] getdents64(4, [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] lstat("./138/file0", [pid 5011] close(4 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... close resumed>) = 0 [pid 5012] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] rmdir("./137/file0" [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... rmdir resumed>) = 0 [pid 7929] <... write resumed>) = 4194304 [pid 5012] openat(AT_FDCWD, "./138/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] getdents64(3, [pid 7929] munmap(0x7f76a8756000, 4194304 [pid 5012] <... openat resumed>) = 4 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] fstat(4, [pid 5011] close(3 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... close resumed>) = 0 [pid 7932] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7929] <... munmap resumed>) = 0 [pid 5012] getdents64(4, [pid 5011] rmdir("./137" [pid 7929] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... rmdir resumed>) = 0 [pid 7929] <... openat resumed>) = 4 [pid 5012] getdents64(4, [pid 5011] mkdir("./138", 0777 [pid 7929] ioctl(4, LOOP_SET_FD, 3 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7930] <... write resumed>) = 4194304 [pid 5012] close(4 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7929] <... ioctl resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5011] close(3 [pid 7929] close(3 [pid 5012] rmdir("./138/file0" [pid 5011] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7933 [pid 7930] munmap(0x7f76a8756000, 4194304 [pid 7929] <... close resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 7929] mkdir("./file0", 0777 [pid 5012] getdents64(3, [pid 7929] <... mkdir resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7929] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5012] close(3) = 0 ./strace-static-x86_64: Process 7933 attached [pid 5012] rmdir("./138") = 0 [pid 7933] set_robust_list(0x555556dec5e0, 24 [pid 5012] mkdir("./139", 0777) = 0 [pid 7933] <... set_robust_list resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7933] chdir("./138") = 0 [pid 7930] <... munmap resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 7933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 272.048919][ T7929] loop1: detected capacity change from 0 to 8192 [pid 7930] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7930] ioctl(4, LOOP_SET_FD, 3 [pid 7933] <... prctl resumed>) = 0 [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7935 ./strace-static-x86_64: Process 7935 attached [pid 7935] set_robust_list(0x555556dec5e0, 24) = 0 [ 272.099205][ T7929] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 272.103987][ T7930] loop2: detected capacity change from 0 to 8192 [ 272.125319][ T7929] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7935] chdir("./139" [pid 7933] setpgid(0, 0 [pid 7935] <... chdir resumed>) = 0 [pid 7933] <... setpgid resumed>) = 0 [pid 7933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7933] <... openat resumed>) = 3 [pid 7935] <... prctl resumed>) = 0 [pid 7933] write(3, "1000", 4 [pid 7935] setpgid(0, 0 [pid 7933] <... write resumed>) = 4 [pid 7935] <... setpgid resumed>) = 0 [pid 7933] close(3 [pid 7935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7933] <... close resumed>) = 0 [pid 7935] <... openat resumed>) = 3 [pid 7933] symlink("/dev/binderfs", "./binderfs" [pid 7935] write(3, "1000", 4 [pid 7933] <... symlink resumed>) = 0 [pid 7935] <... write resumed>) = 4 [pid 7933] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7935] close(3 [pid 7933] <... futex resumed>) = 0 [pid 7935] <... close resumed>) = 0 [pid 7933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7935] symlink("/dev/binderfs", "./binderfs" [pid 7933] <... mmap resumed>) = 0x7f76b0b56000 [pid 7935] <... symlink resumed>) = 0 [pid 7933] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [ 272.146295][ T7929] REISERFS (device loop1): using ordered data mode [pid 7935] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7933] <... mprotect resumed>) = 0 [pid 7935] <... futex resumed>) = 0 [pid 7933] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7935] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7933] <... clone resumed>, parent_tid=[7936], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7936 [pid 7935] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7933] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7935] <... mprotect resumed>) = 0 [pid 7933] <... futex resumed>) = 0 [pid 7935] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7933] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7935] <... clone resumed>, parent_tid=[7937], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7937 [pid 7935] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7935] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7936 attached [pid 7930] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 7937 attached [pid 7936] set_robust_list(0x7f76b0b769e0, 24 [pid 7930] close(3 [pid 7937] set_robust_list(0x7f76b0b769e0, 24 [pid 7936] <... set_robust_list resumed>) = 0 [pid 7930] <... close resumed>) = 0 [pid 7937] <... set_robust_list resumed>) = 0 [pid 7936] memfd_create("syzkaller", 0 [ 272.189803][ T7929] reiserfs: using flush barriers [pid 7930] mkdir("./file0", 0777 [pid 7937] memfd_create("syzkaller", 0 [pid 7936] <... memfd_create resumed>) = 3 [pid 7930] <... mkdir resumed>) = 0 [pid 7937] <... memfd_create resumed>) = 3 [pid 7936] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7930] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7937] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7936] <... mmap resumed>) = 0x7f76a8756000 [pid 7937] <... mmap resumed>) = 0x7f76a8756000 [ 272.222208][ T7929] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.261322][ T7930] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7937] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7936] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7932] <... write resumed>) = 4194304 [pid 7932] munmap(0x7f76a8756000, 4194304 [pid 7936] <... write resumed>) = 4194304 [pid 7936] munmap(0x7f76a8756000, 4194304) = 0 [pid 7936] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 272.294878][ T7930] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 272.329494][ T7929] REISERFS (device loop1): checking transaction log (loop1) [pid 7936] ioctl(4, LOOP_SET_FD, 3 [pid 7932] <... munmap resumed>) = 0 [pid 7932] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7932] ioctl(4, LOOP_SET_FD, 3 [pid 7936] <... ioctl resumed>) = 0 [pid 7936] close(3) = 0 [pid 7936] mkdir("./file0", 0777) = 0 [pid 7936] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7937] <... write resumed>) = 4194304 [pid 7932] <... ioctl resumed>) = 0 [pid 7937] munmap(0x7f76a8756000, 4194304 [ 272.359124][ T7936] loop3: detected capacity change from 0 to 8192 [ 272.361098][ T7932] loop0: detected capacity change from 0 to 8192 [ 272.374370][ T7930] REISERFS (device loop2): using ordered data mode [ 272.389377][ T7929] REISERFS (device loop1): Using r5 hash to sort names [ 272.391169][ T7930] reiserfs: using flush barriers [pid 7932] close(3 [pid 7937] <... munmap resumed>) = 0 [pid 7932] <... close resumed>) = 0 [pid 7937] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7932] mkdir("./file0", 0777 [pid 7937] <... openat resumed>) = 4 [ 272.405671][ T7929] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 272.407571][ T7930] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.419250][ T7929] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 272.444393][ T7936] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7937] ioctl(4, LOOP_SET_FD, 3 [pid 7932] <... mkdir resumed>) = 0 [pid 7929] <... mount resumed>) = 0 [pid 7937] <... ioctl resumed>) = 0 [pid 7932] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7929] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7937] close(3) = 0 [pid 7929] <... openat resumed>) = 3 [pid 7937] mkdir("./file0", 0777 [pid 7929] chdir("./file0" [pid 7937] <... mkdir resumed>) = 0 [pid 7929] <... chdir resumed>) = 0 [pid 7937] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 272.459490][ T7936] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 272.469421][ T7937] loop4: detected capacity change from 0 to 8192 [ 272.476071][ T7936] REISERFS (device loop3): using ordered data mode [ 272.484428][ T7936] reiserfs: using flush barriers [ 272.493128][ T7932] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7929] ioctl(4, LOOP_CLR_FD) = 0 [ 272.506266][ T7932] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 272.516434][ T7932] REISERFS (device loop0): using ordered data mode [ 272.522043][ T7936] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.523041][ T7932] reiserfs: using flush barriers [ 272.524956][ T7930] REISERFS (device loop2): checking transaction log (loop2) [pid 7929] close(4) = 0 [pid 7929] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7927] <... futex resumed>) = 0 [pid 7929] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7927] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7927] <... futex resumed>) = 0 [pid 7929] mkdir("./file1", 000 [pid 7927] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7929] <... mkdir resumed>) = 0 [pid 7929] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7927] <... futex resumed>) = 0 [pid 7929] mkdir("./bus", 000 [pid 7927] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7929] <... mkdir resumed>) = 0 [pid 7927] <... futex resumed>) = 0 [pid 7929] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7927] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7929] <... futex resumed>) = 0 [pid 7927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7929] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7927] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 272.551629][ T7932] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.575372][ T7937] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 272.579755][ T7936] REISERFS (device loop3): checking transaction log (loop3) [ 272.602003][ T7929] overlayfs: upper fs needs to support d_type. [ 272.609531][ T7929] overlayfs: upper fs does not support tmpfile. [ 272.617162][ T7936] REISERFS (device loop3): Using r5 hash to sort names [ 272.624440][ T7937] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 272.624891][ T7936] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 272.635057][ T7929] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7927] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 7927] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7927] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7927] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7942], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7942 [pid 7927] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7927] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7936] <... mount resumed>) = 0 [pid 7936] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7936] chdir("./file0") = 0 [pid 7936] ioctl(4, LOOP_CLR_FD) = 0 [pid 7936] close(4) = 0 [pid 7936] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7933] <... futex resumed>) = 0 [pid 7933] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7933] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7936] <... futex resumed>) = 1 [pid 7936] mkdir("./file1", 000) = 0 [pid 7936] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7933] <... futex resumed>) = 0 [pid 7933] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7933] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7936] <... futex resumed>) = 1 [pid 7936] mkdir("./bus", 000) = 0 [pid 7936] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7933] <... futex resumed>) = 0 [pid 7933] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7933] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7936] <... futex resumed>) = 1 [pid 7936] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on,"./strace-static-x86_64: Process 7942 attached [pid 7942] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7942] mkdir(".", 0777) = -1 EEXIST (File exists) [ 272.646964][ T7936] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 272.676289][ T7932] REISERFS (device loop0): checking transaction log (loop0) [ 272.681744][ T7936] overlayfs: upper fs needs to support d_type. [ 272.696263][ T7937] REISERFS (device loop4): using ordered data mode [pid 7942] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7933] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7933] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7933] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7933] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7943], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7943 [pid 7933] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7933] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7943 attached [pid 7943] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7943] mkdir(".", 0777) = -1 EEXIST (File exists) [ 272.704880][ T7930] REISERFS (device loop2): Using r5 hash to sort names [ 272.704968][ T7942] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 272.727742][ T7932] REISERFS (device loop0): Using r5 hash to sort names [ 272.729046][ T7936] overlayfs: upper fs does not support tmpfile. [pid 7943] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7942] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7942] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7927] <... futex resumed>) = 0 [pid 7942] <... futex resumed>) = 1 [ 272.753400][ T7930] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 272.757430][ T7936] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 272.767593][ T7937] reiserfs: using flush barriers [ 272.773810][ T7943] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 272.779082][ T7932] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 272.794470][ T7929] overlayfs: failed to resolve './file0': -2 [pid 7942] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7943] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7943] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7933] <... futex resumed>) = 0 [pid 7943] <... futex resumed>) = 1 [pid 7943] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7932] <... mount resumed>) = 0 [pid 7932] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7932] chdir("./file0") = 0 [pid 7932] ioctl(4, LOOP_CLR_FD) = 0 [pid 7932] close(4 [pid 7936] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7930] <... mount resumed>) = 0 [pid 7929] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7936] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7929] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7936] <... futex resumed>) = 0 [pid 7929] <... futex resumed>) = 0 [pid 7936] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7929] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7932] <... close resumed>) = 0 [pid 7932] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7931] <... futex resumed>) = 0 [pid 7931] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7931] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7932] <... futex resumed>) = 1 [pid 7932] mkdir("./file1", 000) = 0 [pid 7932] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7931] <... futex resumed>) = 0 [pid 7931] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7931] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7932] <... futex resumed>) = 1 [pid 7932] mkdir("./bus", 000) = 0 [pid 7932] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7931] <... futex resumed>) = 0 [pid 7931] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7931] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7932] <... futex resumed>) = 1 [pid 7932] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7933] exit_group(0 [pid 7930] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7927] exit_group(0 [pid 7930] <... openat resumed>) = 3 [pid 7943] <... futex resumed>) = ? [pid 7942] <... futex resumed>) = ? [ 272.815058][ T7930] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 272.816540][ T7936] overlayfs: failed to resolve './file0': -2 [ 272.831850][ T7937] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.841569][ T7932] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7936] <... futex resumed>) = ? [pid 7933] <... exit_group resumed>) = ? [pid 7930] chdir("./file0" [pid 7929] <... futex resumed>) = ? [pid 7927] <... exit_group resumed>) = ? [pid 7943] +++ exited with 0 +++ [pid 7942] +++ exited with 0 +++ [pid 7936] +++ exited with 0 +++ [pid 7929] +++ exited with 0 +++ [pid 7933] +++ exited with 0 +++ [pid 7930] <... chdir resumed>) = 0 [pid 7927] +++ exited with 0 +++ [pid 7930] ioctl(4, LOOP_CLR_FD [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7933, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7927, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7930] <... ioctl resumed>) = 0 [pid 7930] close(4) = 0 [pid 5009] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7930] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7930] <... futex resumed>) = 1 [pid 7928] <... futex resumed>) = 0 [pid 7928] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7928] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7930] mkdir("./file1", 000 [pid 5009] <... openat resumed>) = 3 [pid 7930] <... mkdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7930] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] fstat(3, [pid 7930] <... futex resumed>) = 1 [pid 7928] <... futex resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 7928] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7930] mkdir("./bus", 000 [pid 7928] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] fstat(3, [pid 5009] getdents64(3, [pid 7931] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7930] <... mkdir resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7931] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7930] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7931] <... futex resumed>) = 0 [pid 7931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7931] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7931] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7930] <... futex resumed>) = 1 [pid 7928] <... futex resumed>) = 0 [pid 5011] getdents64(3, [pid 5009] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7931] <... clone resumed>, parent_tid=[7944], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7944 [pid 7930] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7928] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 272.886677][ T7932] overlayfs: upper fs needs to support d_type. [ 272.894351][ T7932] overlayfs: upper fs does not support tmpfile. [ 272.896313][ T7937] REISERFS (device loop4): checking transaction log (loop4) [ 272.909112][ T7932] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7931] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7928] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7931] <... futex resumed>) = 0 [pid 7930] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7928] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7931] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] lstat("./137/binderfs", ./strace-static-x86_64: Process 7944 attached [pid 7944] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7944] mkdir(".", 0777 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7944] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7944] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5011] lstat("./138/binderfs", [pid 5009] unlink("./137/binderfs" [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5011] unlink("./138/binderfs" [pid 5009] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7928] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7928] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7928] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7928] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7945], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7945 [pid 7928] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7928] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7945 attached [pid 7945] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7945] mkdir(".", 0777) = -1 EEXIST (File exists) [ 272.947766][ T7930] overlayfs: upper fs needs to support d_type. [ 272.954006][ T7932] overlayfs: failed to resolve './file0': -2 [ 272.956329][ T7944] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 272.978754][ T7937] REISERFS (device loop4): Using r5 hash to sort names [ 272.988722][ T7930] overlayfs: upper fs does not support tmpfile. [pid 7945] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7932] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7932] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7932] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7944] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7944] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7931] <... futex resumed>) = 0 [pid 7931] exit_group(0 [pid 7932] <... futex resumed>) = ? [pid 7931] <... exit_group resumed>) = ? [pid 7932] +++ exited with 0 +++ [pid 7944] <... futex resumed>) = ? [pid 7944] +++ exited with 0 +++ [pid 7931] +++ exited with 0 +++ [pid 7945] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7945] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7928] <... futex resumed>) = 0 [pid 7945] <... futex resumed>) = 1 [pid 7945] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7937] <... mount resumed>) = 0 [pid 7937] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7937] chdir("./file0") = 0 [pid 7937] ioctl(4, LOOP_CLR_FD) = 0 [pid 7937] close(4 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7931, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7937] <... close resumed>) = 0 [pid 7937] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7935] <... futex resumed>) = 0 [pid 7935] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7935] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7937] <... futex resumed>) = 1 [pid 5008] <... openat resumed>) = 3 [pid 7937] mkdir("./file1", 000 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 7937] <... mkdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7937] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7935] <... futex resumed>) = 0 [pid 5008] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7935] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7935] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./137/binderfs", [pid 7937] <... futex resumed>) = 1 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./137/binderfs" [pid 7937] mkdir("./bus", 000) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 7937] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7935] <... futex resumed>) = 0 [pid 5008] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7937] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7935] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 273.002058][ T7937] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 273.009906][ T7945] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 273.015672][ T7937] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 273.043588][ T7930] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7935] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7937] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7937] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7935] <... futex resumed>) = 0 [pid 7937] mkdir(".", 0777 [pid 7935] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7937] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7935] <... futex resumed>) = 0 [pid 7937] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 273.075005][ T7937] overlayfs: upper fs needs to support d_type. [ 273.078497][ T7930] overlayfs: failed to resolve './file0': -2 [ 273.083378][ T7937] overlayfs: upper fs does not support tmpfile. [ 273.095765][ T7937] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 273.106645][ T7937] overlayfs: failed to resolve './file0': -2 [pid 7935] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7930] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7930] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7930] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7928] exit_group(0 [pid 7945] <... futex resumed>) = ? [pid 7930] <... futex resumed>) = ? [pid 7928] <... exit_group resumed>) = ? [pid 7945] +++ exited with 0 +++ [pid 7930] +++ exited with 0 +++ [pid 7928] +++ exited with 0 +++ [pid 7937] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7928, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5010] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7937] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7935] <... futex resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 7935] exit_group(0 [pid 5010] fstat(3, [pid 7935] <... exit_group resumed>) = ? [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, [pid 7937] <... futex resumed>) = ? [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./138/binderfs") = 0 [pid 5010] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7937] +++ exited with 0 +++ [pid 7935] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7935, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5012] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./139/binderfs") = 0 [ 273.124560][ T7937] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5012] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./137/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./137/file0", 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, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./137/file0" [pid 5009] <... umount2 resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3) = 0 [pid 5008] rmdir("./137") = 0 [pid 5008] mkdir("./138", 0777 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = 0 [pid 5009] lstat("./137/file0", [pid 5008] <... mkdir resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5009] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./138/file0", [pid 5009] openat(AT_FDCWD, "./137/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... openat resumed>) = 4 [pid 5011] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] fstat(4, [pid 5011] openat(AT_FDCWD, "./138/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... openat resumed>) = 4 [pid 5009] getdents64(4, [pid 5011] fstat(4, [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, [pid 5011] getdents64(4, [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] close(3 [pid 5009] close(4 [pid 5011] getdents64(4, [pid 5009] <... close resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] rmdir("./137/file0" [pid 5011] close(4 [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] <... close resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5011] rmdir("./138/file0" [pid 5009] getdents64(3, [pid 5011] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7946 attached [pid 5011] getdents64(3, [pid 5009] close(3 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... close resumed>) = 0 [pid 5011] close(3 [pid 5009] rmdir("./137" [pid 5011] <... close resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7946 [pid 5009] <... rmdir resumed>) = 0 [pid 7946] set_robust_list(0x555556dec5e0, 24 [pid 5011] rmdir("./138" [pid 5009] mkdir("./138", 0777 [pid 5011] <... rmdir resumed>) = 0 [pid 7946] <... set_robust_list resumed>) = 0 [pid 5011] mkdir("./139", 0777 [pid 5009] <... mkdir resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7946] chdir("./138" [pid 5011] <... openat resumed>) = 3 [pid 5009] <... openat resumed>) = 3 [pid 7946] <... chdir resumed>) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5009] ioctl(3, LOOP_CLR_FD [pid 7946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7946] <... prctl resumed>) = 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] close(3 [pid 7946] setpgid(0, 0 [pid 5011] <... close resumed>) = 0 [pid 5009] close(3 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./138/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7946] <... setpgid resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... close resumed>) = 0 [pid 7946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7946] <... openat resumed>) = 3 [pid 5010] openat(AT_FDCWD, "./138/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7946] write(3, "1000", 4) = 4 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7947 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7948 [pid 7946] close(3) = 0 [pid 7946] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7946] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7947 attached ) = 0 [pid 7946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7947] set_robust_list(0x555556dec5e0, 24 [pid 7946] <... mmap resumed>) = 0x7f76b0b56000 [pid 5010] <... openat resumed>) = 4 [pid 7947] <... set_robust_list resumed>) = 0 [pid 7946] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5010] fstat(4, [pid 7946] <... mprotect resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7947] chdir("./139" [pid 7946] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] getdents64(4, [pid 7947] <... chdir resumed>) = 0 [pid 5012] <... umount2 resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 7948 attached [pid 7947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7946] <... clone resumed>, parent_tid=[7949], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7949 [pid 5012] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(4, ./strace-static-x86_64: Process 7949 attached [pid 7948] set_robust_list(0x555556dec5e0, 24 [pid 7947] <... prctl resumed>) = 0 [pid 7946] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7949] set_robust_list(0x7f76b0b769e0, 24 [pid 7948] <... set_robust_list resumed>) = 0 [pid 7947] setpgid(0, 0 [pid 7946] <... futex resumed>) = 0 [pid 5012] lstat("./139/file0", [pid 5010] close(4 [pid 7949] <... set_robust_list resumed>) = 0 [pid 7948] chdir("./138" [pid 7947] <... setpgid resumed>) = 0 [pid 7946] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 7949] memfd_create("syzkaller", 0 [pid 7948] <... chdir resumed>) = 0 [pid 7947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] rmdir("./138/file0" [pid 7949] <... memfd_create resumed>) = 3 [pid 7948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7947] <... openat resumed>) = 3 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7949] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7947] write(3, "1000", 4 [pid 5012] openat(AT_FDCWD, "./139/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... rmdir resumed>) = 0 [pid 7949] <... mmap resumed>) = 0x7f76a8756000 [pid 7948] <... prctl resumed>) = 0 [pid 7947] <... write resumed>) = 4 [pid 5012] <... openat resumed>) = 4 [pid 5010] getdents64(3, [pid 7948] setpgid(0, 0 [pid 7947] close(3 [pid 5012] fstat(4, [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7948] <... setpgid resumed>) = 0 [pid 7947] <... close resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] close(3 [pid 7948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7947] symlink("/dev/binderfs", "./binderfs" [pid 5012] getdents64(4, [pid 5010] <... close resumed>) = 0 [pid 7948] <... openat resumed>) = 3 [pid 7947] <... symlink resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] rmdir("./138" [pid 7948] write(3, "1000", 4 [pid 7947] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(4, [pid 5010] <... rmdir resumed>) = 0 [pid 7948] <... write resumed>) = 4 [pid 7947] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] mkdir("./139", 0777 [pid 7948] close(3 [pid 7947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] close(4 [pid 5010] <... mkdir resumed>) = 0 [pid 7948] <... close resumed>) = 0 [pid 7947] <... mmap resumed>) = 0x7f76b0b56000 [pid 5012] <... close resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7948] symlink("/dev/binderfs", "./binderfs" [pid 7947] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5012] rmdir("./139/file0" [pid 5010] <... openat resumed>) = 3 [pid 7948] <... symlink resumed>) = 0 [pid 7947] <... mprotect resumed>) = 0 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 7948] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7947] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... rmdir resumed>) = 0 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7948] <... futex resumed>) = 0 [pid 5012] getdents64(3, [pid 5010] close(3 [pid 7948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7947] <... clone resumed>, parent_tid=[7950], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7950 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] <... close resumed>) = 0 [pid 7948] <... mmap resumed>) = 0x7f76b0b56000 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7948] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7947] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] close(3 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7951 [pid 7948] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7947] <... futex resumed>) = 0 [pid 5012] <... close resumed>) = 0 ./strace-static-x86_64: Process 7950 attached [pid 7947] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] rmdir("./139" [pid 7950] set_robust_list(0x7f76b0b769e0, 24 [pid 7948] <... clone resumed>, parent_tid=[7952], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7952 [pid 7950] <... set_robust_list resumed>) = 0 [pid 7948] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... rmdir resumed>) = 0 [pid 7948] <... futex resumed>) = 0 [pid 7950] memfd_create("syzkaller", 0 [pid 5012] mkdir("./140", 0777./strace-static-x86_64: Process 7952 attached ./strace-static-x86_64: Process 7951 attached [pid 7949] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7948] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... mkdir resumed>) = 0 [pid 7952] set_robust_list(0x7f76b0b769e0, 24 [pid 7951] set_robust_list(0x555556dec5e0, 24 [pid 7950] <... memfd_create resumed>) = 3 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7952] <... set_robust_list resumed>) = 0 [pid 7951] <... set_robust_list resumed>) = 0 [pid 7950] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... openat resumed>) = 3 [pid 7952] memfd_create("syzkaller", 0 [pid 7951] chdir("./139" [pid 7950] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 7952] <... memfd_create resumed>) = 3 [pid 7951] <... chdir resumed>) = 0 [pid 7951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7951] setpgid(0, 0) = 0 [pid 7951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7951] write(3, "1000", 4) = 4 [pid 7951] close(3) = 0 [pid 7952] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7951] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7952] <... mmap resumed>) = 0x7f76a8756000 [pid 7951] <... symlink resumed>) = 0 [pid 5012] close(3 [pid 7951] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7951] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7951] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7951] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7953], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7953 [pid 7951] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... close resumed>) = 0 [pid 7951] <... futex resumed>) = 0 [pid 7951] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7953 attached [pid 7953] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7953] memfd_create("syzkaller", 0) = 3 [pid 7953] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7954 ./strace-static-x86_64: Process 7954 attached [pid 7954] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7954] chdir("./140") = 0 [pid 7954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7954] setpgid(0, 0) = 0 [pid 7954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7954] write(3, "1000", 4) = 4 [pid 7954] close(3) = 0 [pid 7954] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7954] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7954] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7954] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7955], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7955 [pid 7954] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7954] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7955 attached [pid 7955] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7955] memfd_create("syzkaller", 0) = 3 [pid 7955] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7952] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7950] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7949] <... write resumed>) = 4194304 [pid 7949] munmap(0x7f76a8756000, 4194304 [pid 7953] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7949] <... munmap resumed>) = 0 [pid 7949] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7949] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7949] close(3) = 0 [pid 7949] mkdir("./file0", 0777) = 0 [ 273.572346][ T7949] loop0: detected capacity change from 0 to 8192 [pid 7949] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 273.611454][ T7949] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7955] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7952] <... write resumed>) = 4194304 [pid 7952] munmap(0x7f76a8756000, 4194304) = 0 [pid 7952] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 273.655400][ T7949] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 273.665608][ T7949] REISERFS (device loop0): using ordered data mode [ 273.675504][ T7949] reiserfs: using flush barriers [ 273.682893][ T7952] loop1: detected capacity change from 0 to 8192 [pid 7952] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7953] <... write resumed>) = 4194304 [pid 7952] close(3) = 0 [pid 7952] mkdir("./file0", 0777 [pid 7953] munmap(0x7f76a8756000, 4194304 [pid 7952] <... mkdir resumed>) = 0 [pid 7952] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7953] <... munmap resumed>) = 0 [pid 7950] <... write resumed>) = 4194304 [pid 7953] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 273.691717][ T7949] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 273.725288][ T7949] REISERFS (device loop0): checking transaction log (loop0) [ 273.726857][ T7952] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7950] munmap(0x7f76a8756000, 4194304 [pid 7953] <... openat resumed>) = 4 [pid 7950] <... munmap resumed>) = 0 [pid 7953] ioctl(4, LOOP_SET_FD, 3 [ 273.748872][ T7952] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 273.751516][ T7949] REISERFS (device loop0): Using r5 hash to sort names [ 273.760036][ T7952] REISERFS (device loop1): using ordered data mode [ 273.772008][ T7949] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 273.773539][ T7952] reiserfs: using flush barriers [ 273.785708][ T7953] loop2: detected capacity change from 0 to 8192 [pid 7950] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7955] <... write resumed>) = 4194304 [pid 7953] <... ioctl resumed>) = 0 [pid 7950] <... openat resumed>) = 4 [pid 7955] munmap(0x7f76a8756000, 4194304 [pid 7953] close(3 [pid 7950] ioctl(4, LOOP_SET_FD, 3 [pid 7953] <... close resumed>) = 0 [pid 7949] <... mount resumed>) = 0 [pid 7949] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7955] <... munmap resumed>) = 0 [pid 7953] mkdir("./file0", 0777 [pid 7949] chdir("./file0") = 0 [pid 7955] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7953] <... mkdir resumed>) = 0 [pid 7955] <... openat resumed>) = 4 [pid 7953] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7950] <... ioctl resumed>) = 0 [pid 7955] ioctl(4, LOOP_SET_FD, 3 [pid 7949] ioctl(4, LOOP_CLR_FD) = 0 [pid 7949] close(4) = 0 [ 273.793822][ T7952] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 273.798607][ T7949] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 273.812669][ T7952] REISERFS (device loop1): checking transaction log (loop1) [ 273.824735][ T7950] loop3: detected capacity change from 0 to 8192 [ 273.843700][ T7955] loop4: detected capacity change from 0 to 8192 [pid 7949] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7946] <... futex resumed>) = 0 [pid 7946] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7946] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7949] <... futex resumed>) = 1 [pid 7950] close(3 [pid 7955] <... ioctl resumed>) = 0 [pid 7950] <... close resumed>) = 0 [pid 7955] close(3 [pid 7950] mkdir("./file0", 0777 [pid 7949] mkdir("./file1", 000) = 0 [pid 7949] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7946] <... futex resumed>) = 0 [pid 7949] mkdir("./bus", 000 [pid 7946] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7949] <... mkdir resumed>) = 0 [pid 7946] <... futex resumed>) = 0 [pid 7949] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7946] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7949] <... futex resumed>) = 0 [pid 7946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7949] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7946] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7946] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7955] <... close resumed>) = 0 [pid 7955] mkdir("./file0", 0777) = 0 [pid 7955] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7950] <... mkdir resumed>) = 0 [ 273.851690][ T7952] REISERFS (device loop1): Using r5 hash to sort names [ 273.860213][ T7952] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 273.877437][ T7949] overlayfs: upper fs needs to support d_type. [ 273.878008][ T7953] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 273.883670][ T7949] overlayfs: upper fs does not support tmpfile. [pid 7950] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7946] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7946] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7946] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [ 273.906900][ T7949] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 273.916632][ T7950] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 273.920022][ T7952] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 273.930183][ T7955] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7946] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7961], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7961 [pid 7946] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7946] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7961 attached [pid 7961] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7961] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7961] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7952] <... mount resumed>) = 0 [pid 7952] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 273.939054][ T7953] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 273.963995][ T7953] REISERFS (device loop2): using ordered data mode [ 273.968171][ T7950] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 273.971663][ T7953] reiserfs: using flush barriers [ 273.983361][ T7949] overlayfs: failed to resolve './file0': -2 [ 273.986677][ T7953] 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 7952] chdir("./file0") = 0 [pid 7961] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7961] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7946] <... futex resumed>) = 0 [pid 7961] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7952] ioctl(4, LOOP_CLR_FD) = 0 [pid 7952] close(4) = 0 [pid 7949] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 273.993961][ T7955] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 274.007358][ T7950] REISERFS (device loop3): using ordered data mode [ 274.022780][ T7961] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 274.029818][ T7953] REISERFS (device loop2): checking transaction log (loop2) [ 274.037675][ T7950] reiserfs: using flush barriers [ 274.046320][ T7955] REISERFS (device loop4): using ordered data mode [pid 7952] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7949] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7952] <... futex resumed>) = 1 [pid 7948] <... futex resumed>) = 0 [pid 7952] mkdir("./file1", 000 [pid 7948] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7952] <... mkdir resumed>) = 0 [pid 7948] <... futex resumed>) = 0 [pid 7952] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7948] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7946] exit_group(0 [pid 7961] <... futex resumed>) = ? [pid 7952] <... futex resumed>) = 0 [pid 7949] <... futex resumed>) = ? [pid 7948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7946] <... exit_group resumed>) = ? [pid 7952] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7948] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7948] <... futex resumed>) = 0 [pid 7952] mkdir("./bus", 000 [pid 7948] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7952] <... mkdir resumed>) = 0 [pid 7952] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7961] +++ exited with 0 +++ [pid 7952] <... futex resumed>) = 1 [pid 7948] <... futex resumed>) = 0 [pid 7952] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7948] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7949] +++ exited with 0 +++ [pid 7948] <... futex resumed>) = 0 [pid 7946] +++ exited with 0 +++ [ 274.056326][ T7955] reiserfs: using flush barriers [ 274.063188][ T7955] 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 [ 274.068879][ T7950] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 274.100414][ T7955] REISERFS (device loop4): checking transaction log (loop4) [pid 7952] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7948] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7946, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./138", 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, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./138/binderfs") = 0 [ 274.100786][ T7952] overlayfs: upper fs needs to support d_type. [ 274.109790][ T7955] REISERFS (device loop4): Using r5 hash to sort names [ 274.122174][ T7953] REISERFS (device loop2): Using r5 hash to sort names [ 274.125651][ T7955] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 274.134870][ T7953] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5008] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7948] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7948] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7948] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7948] clone(child_stack=0x7f76a8b553f0, 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 7962 attached [pid 7955] <... mount resumed>) = 0 [pid 7948] <... clone resumed>, parent_tid=[7962], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7962 [pid 7948] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7948] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7962] set_robust_list(0x7f76a8b559e0, 24 [ 274.143401][ T7950] REISERFS (device loop3): checking transaction log (loop3) [ 274.157724][ T7952] overlayfs: upper fs does not support tmpfile. [ 274.162721][ T7955] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 274.180183][ T7950] REISERFS (device loop3): Using r5 hash to sort names [ 274.183889][ T7952] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 274.188771][ T7950] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7955] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7962] <... set_robust_list resumed>) = 0 [pid 7955] <... openat resumed>) = 3 [pid 7962] mkdir(".", 0777 [pid 7955] chdir("./file0" [pid 7962] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7955] <... chdir resumed>) = 0 [pid 7962] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7955] ioctl(4, LOOP_CLR_FD) = 0 [pid 7955] close(4) = 0 [pid 7955] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7954] <... futex resumed>) = 0 [pid 7955] mkdir("./file1", 000 [pid 7954] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7955] <... mkdir resumed>) = 0 [pid 7954] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7955] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7954] <... futex resumed>) = 0 [pid 7955] mkdir("./bus", 000 [pid 7954] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7955] <... mkdir resumed>) = 0 [pid 7954] <... futex resumed>) = 0 [pid 7955] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7954] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7955] <... futex resumed>) = 0 [pid 7954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7955] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7954] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7954] <... futex resumed>) = 0 [pid 7955] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7954] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7953] <... mount resumed>) = 0 [pid 7953] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7953] chdir("./file0") = 0 [pid 7953] ioctl(4, LOOP_CLR_FD) = 0 [pid 7953] close(4) = 0 [pid 7953] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7951] <... futex resumed>) = 0 [pid 7951] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7951] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7953] <... futex resumed>) = 1 [pid 7953] mkdir("./file1", 000) = 0 [pid 7953] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7951] <... futex resumed>) = 0 [pid 7953] <... futex resumed>) = 1 [pid 7951] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7953] mkdir("./bus", 000 [pid 7951] <... futex resumed>) = 0 [pid 7953] <... mkdir resumed>) = 0 [pid 7951] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7953] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7951] <... futex resumed>) = 0 [ 274.201444][ T7953] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 274.234930][ T7952] overlayfs: failed to resolve './file0': -2 [ 274.249248][ T7955] overlayfs: upper fs needs to support d_type. [pid 7953] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7951] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7951] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7954] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7954] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7951] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7951] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7954] <... futex resumed>) = 0 [pid 7951] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7951] <... mmap resumed>) = 0x7f76a8b35000 [pid 7951] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7954] <... mmap resumed>) = 0x7f76a8b35000 [pid 7951] <... mprotect resumed>) = 0 [pid 7954] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7951] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7954] <... mprotect resumed>) = 0 [pid 7951] <... clone resumed>, parent_tid=[7963], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7963 [pid 7951] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7951] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7954] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7964], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7964 [pid 7954] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7950] <... mount resumed>) = 0 [pid 7954] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7950] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7950] chdir("./file0") = 0 [pid 7950] ioctl(4, LOOP_CLR_FD) = 0 [ 274.263305][ T7962] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 274.266733][ T7950] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 274.286740][ T7953] overlayfs: upper fs needs to support d_type. [ 274.293022][ T7953] overlayfs: upper fs does not support tmpfile. [ 274.299253][ T7955] overlayfs: upper fs does not support tmpfile. [ 274.302646][ T7953] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 7950] close(4) = 0 [pid 7950] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7947] <... futex resumed>) = 0 [pid 7950] mkdir("./file1", 000 [pid 7947] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7950] <... mkdir resumed>) = 0 [pid 7947] <... futex resumed>) = 0 [pid 7950] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7947] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7950] <... futex resumed>) = 0 [pid 7947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7950] mkdir("./bus", 000 [pid 7947] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7964 attached ./strace-static-x86_64: Process 7963 attached [pid 7962] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7950] <... mkdir resumed>) = 0 [pid 7947] <... futex resumed>) = 0 [pid 7950] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7947] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7964] set_robust_list(0x7f76a8b559e0, 24 [pid 7963] set_robust_list(0x7f76a8b559e0, 24 [pid 7962] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7950] <... futex resumed>) = 0 [pid 7947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7964] <... set_robust_list resumed>) = 0 [pid 7963] <... set_robust_list resumed>) = 0 [pid 7962] <... futex resumed>) = 1 [pid 7948] <... futex resumed>) = 0 [pid 7964] mkdir(".", 0777 [pid 7963] mkdir(".", 0777 [pid 7962] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7952] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7950] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7947] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7964] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7963] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7952] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7947] <... futex resumed>) = 0 [pid 7964] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7963] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7952] <... futex resumed>) = 0 [pid 7950] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7948] exit_group(0 [pid 7947] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7948] <... exit_group resumed>) = ? [ 274.340592][ T7955] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 274.348663][ T7953] overlayfs: failed to resolve './file0': -2 [ 274.371623][ T7950] overlayfs: upper fs needs to support d_type. [ 274.381661][ T7950] overlayfs: upper fs does not support tmpfile. [pid 7962] <... futex resumed>) = ? [pid 7952] +++ exited with 0 +++ [pid 7962] +++ exited with 0 +++ [pid 7948] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7948, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5009] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./138/binderfs") = 0 [pid 5009] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7953] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7953] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7953] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... umount2 resumed>) = 0 [pid 7947] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7947] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7947] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7947] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7965], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7965 [pid 7947] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7947] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 274.384876][ T7963] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 274.411781][ T7964] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 274.432447][ T7950] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5008] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./138/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./138/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7964] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7965 attached [pid 7964] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7963] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 4 [pid 7965] set_robust_list(0x7f76a8b559e0, 24 [pid 7964] <... futex resumed>) = 1 [pid 7963] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7955] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7954] <... futex resumed>) = 0 [pid 5008] fstat(4, [pid 7965] <... set_robust_list resumed>) = 0 [pid 7964] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7963] <... futex resumed>) = 1 [pid 7955] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7954] exit_group(0 [pid 7951] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7965] mkdir(".", 0777 [pid 7964] <... futex resumed>) = ? [pid 7963] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7955] <... futex resumed>) = ? [pid 7954] <... exit_group resumed>) = ? [pid 7951] exit_group(0 [pid 5008] getdents64(4, [pid 7965] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7964] +++ exited with 0 +++ [pid 7963] <... futex resumed>) = ? [pid 7955] +++ exited with 0 +++ [pid 7953] <... futex resumed>) = ? [pid 7951] <... exit_group resumed>) = ? [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7965] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7963] +++ exited with 0 +++ [pid 7954] +++ exited with 0 +++ [pid 7953] +++ exited with 0 +++ [pid 7951] +++ exited with 0 +++ [ 274.456264][ T7955] overlayfs: failed to resolve './file0': -2 [ 274.479715][ T7950] overlayfs: failed to resolve './file0': -2 [pid 5008] getdents64(4, [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7951, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7954, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5008] close(4 [pid 5012] restart_syscall(<... resuming interrupted clone ...> [pid 5008] <... close resumed>) = 0 [pid 5012] <... restart_syscall resumed>) = 0 [pid 5010] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] rmdir("./138/file0" [pid 7950] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... rmdir resumed>) = 0 [pid 7950] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] getdents64(3, [pid 7965] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7950] <... futex resumed>) = 0 [pid 5012] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7965] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7950] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] fstat(3, [pid 5008] close(3 [pid 7965] <... futex resumed>) = 1 [pid 7947] <... futex resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... close resumed>) = 0 [pid 7965] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7947] exit_group(0 [pid 5012] <... openat resumed>) = 3 [pid 5010] getdents64(3, [pid 5008] rmdir("./138" [pid 7965] <... futex resumed>) = ? [pid 7950] <... futex resumed>) = ? [pid 7947] <... exit_group resumed>) = ? [pid 5012] fstat(3, [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... rmdir resumed>) = 0 [pid 7965] +++ exited with 0 +++ [pid 7950] +++ exited with 0 +++ [pid 7947] +++ exited with 0 +++ [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] mkdir("./139", 0777 [pid 5012] getdents64(3, [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7947, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... mkdir resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] lstat("./139/binderfs", [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5012] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] unlink("./139/binderfs" [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5012] lstat("./140/binderfs", [pid 5010] <... unlink resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3 [pid 5012] unlink("./140/binderfs" [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./138/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... unlink resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... openat resumed>) = 3 [pid 5009] openat(AT_FDCWD, "./138/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, [pid 5011] fstat(3, [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [ 274.512120][ T7965] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] getdents64(3, [pid 5009] close(4) = 0 [pid 5009] rmdir("./138/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] close(3 [pid 5011] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... close resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7966 [pid 5009] rmdir("./138" [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... rmdir resumed>) = 0 [pid 5011] lstat("./139/binderfs", [pid 5009] mkdir("./139", 0777 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5011] unlink("./139/binderfs" [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5011] <... unlink resumed>) = 0 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7967 ./strace-static-x86_64: Process 7967 attached [pid 7967] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7967] chdir("./139") = 0 [pid 7967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7967] setpgid(0, 0) = 0 [pid 7967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7966 attached [pid 5011] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7967] <... openat resumed>) = 3 [pid 7966] set_robust_list(0x555556dec5e0, 24 [pid 7967] write(3, "1000", 4 [pid 7966] <... set_robust_list resumed>) = 0 [pid 7967] <... write resumed>) = 4 [pid 7966] chdir("./139" [pid 7967] close(3 [pid 7966] <... chdir resumed>) = 0 [pid 7967] <... close resumed>) = 0 [pid 7966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7967] symlink("/dev/binderfs", "./binderfs" [pid 7966] <... prctl resumed>) = 0 [pid 7967] <... symlink resumed>) = 0 [pid 7966] setpgid(0, 0 [pid 7967] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7966] <... setpgid resumed>) = 0 [pid 7967] <... futex resumed>) = 0 [pid 7966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7966] <... openat resumed>) = 3 [pid 7967] <... mmap resumed>) = 0x7f76b0b56000 [pid 7966] write(3, "1000", 4 [pid 7967] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7966] <... write resumed>) = 4 [pid 7967] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7966] close(3) = 0 [pid 7967] <... clone resumed>, parent_tid=[7968], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7968 [pid 7966] symlink("/dev/binderfs", "./binderfs" [pid 7967] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7966] <... symlink resumed>) = 0 [pid 7967] <... futex resumed>) = 0 [pid 7966] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7967] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7966] <... futex resumed>) = 0 [pid 7966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7966] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7966] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7969], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7969 [pid 7966] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7966] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7969 attached [pid 7969] set_robust_list(0x7f76b0b769e0, 24) = 0 ./strace-static-x86_64: Process 7968 attached [pid 7968] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7969] memfd_create("syzkaller", 0) = 3 [pid 7969] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7968] memfd_create("syzkaller", 0) = 3 [pid 7968] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./139/file0", [pid 5010] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./139/file0", [pid 5012] lstat("./140/file0", [pid 5011] openat(AT_FDCWD, "./139/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... openat resumed>) = 4 [pid 5012] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] fstat(4, [pid 5010] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] openat(AT_FDCWD, "./140/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] getdents64(4, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... openat resumed>) = 4 [pid 5010] openat(AT_FDCWD, "./139/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7969] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7968] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] fstat(4, [pid 5011] getdents64(4, [pid 5010] <... openat resumed>) = 4 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] fstat(4, [pid 5012] getdents64(4, [pid 5011] close(4 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... close resumed>) = 0 [pid 5012] getdents64(4, [pid 5010] getdents64(4, [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] rmdir("./139/file0" [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] close(4 [pid 5011] <... rmdir resumed>) = 0 [pid 5010] getdents64(4, [pid 5012] <... close resumed>) = 0 [pid 5011] getdents64(3, [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] rmdir("./140/file0" [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(4 [pid 5012] <... rmdir resumed>) = 0 [pid 5012] getdents64(3, [pid 5011] close(3 [pid 5010] <... close resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... close resumed>) = 0 [pid 5010] rmdir("./139/file0" [pid 5012] close(3 [pid 5011] rmdir("./139" [pid 5010] <... rmdir resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5011] mkdir("./140", 0777 [pid 5010] getdents64(3, [pid 5012] rmdir("./140" [pid 5011] <... mkdir resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5012] mkdir("./141", 0777 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5010] close(3 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] <... openat resumed>) = 3 [pid 5010] <... close resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5010] rmdir("./139" [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] <... rmdir resumed>) = 0 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] close(3 [pid 5010] mkdir("./140", 0777 [pid 5012] close(3 [pid 5011] <... close resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 ./strace-static-x86_64: Process 7970 attached [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7971 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7970 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7970] set_robust_list(0x555556dec5e0, 24 [pid 5010] close(3 [pid 7970] <... set_robust_list resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 7970] chdir("./140") = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7970] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7972 attached ) = 0 [pid 7972] set_robust_list(0x555556dec5e0, 24 [pid 7970] setpgid(0, 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7972 [pid 7972] <... set_robust_list resumed>) = 0 [pid 7970] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 7971 attached [pid 7972] chdir("./140") = 0 [pid 7971] set_robust_list(0x555556dec5e0, 24 [pid 7970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7971] <... set_robust_list resumed>) = 0 [pid 7970] <... openat resumed>) = 3 [pid 7972] <... prctl resumed>) = 0 [pid 7971] chdir("./141" [pid 7970] write(3, "1000", 4 [pid 7972] setpgid(0, 0 [pid 7971] <... chdir resumed>) = 0 [pid 7970] <... write resumed>) = 4 [pid 7969] <... write resumed>) = 4194304 [pid 7972] <... setpgid resumed>) = 0 [pid 7971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7970] close(3 [pid 7969] munmap(0x7f76a8756000, 4194304 [pid 7972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7971] <... prctl resumed>) = 0 [pid 7970] <... close resumed>) = 0 [pid 7971] setpgid(0, 0) = 0 [pid 7971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7972] <... openat resumed>) = 3 [pid 7971] <... openat resumed>) = 3 [pid 7970] symlink("/dev/binderfs", "./binderfs" [pid 7969] <... munmap resumed>) = 0 [pid 7972] write(3, "1000", 4 [pid 7971] write(3, "1000", 4 [pid 7970] <... symlink resumed>) = 0 [pid 7972] <... write resumed>) = 4 [pid 7971] <... write resumed>) = 4 [pid 7969] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7970] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7972] close(3 [pid 7971] close(3 [pid 7969] <... openat resumed>) = 4 [pid 7970] <... futex resumed>) = 0 [pid 7972] <... close resumed>) = 0 [pid 7971] <... close resumed>) = 0 [pid 7970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7969] ioctl(4, LOOP_SET_FD, 3 [pid 7972] symlink("/dev/binderfs", "./binderfs" [pid 7971] symlink("/dev/binderfs", "./binderfs" [pid 7970] <... mmap resumed>) = 0x7f76b0b56000 [pid 7971] <... symlink resumed>) = 0 [pid 7971] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7971] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7971] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7973], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7973 [pid 7971] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7971] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7969] <... ioctl resumed>) = 0 [pid 7972] <... symlink resumed>) = 0 [pid 7970] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7973 attached [pid 7972] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7970] <... mprotect resumed>) = 0 [pid 7972] <... futex resumed>) = 0 [pid 7970] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7973] set_robust_list(0x7f76b0b769e0, 24 [pid 7972] <... mmap resumed>) = 0x7f76b0b56000 [pid 7972] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7970] <... clone resumed>, parent_tid=[7974], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7974 [pid 7973] <... set_robust_list resumed>) = 0 [pid 7972] <... mprotect resumed>) = 0 [pid 7970] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7973] memfd_create("syzkaller", 0 [pid 7972] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7970] <... futex resumed>) = 0 [pid 7969] close(3./strace-static-x86_64: Process 7975 attached ./strace-static-x86_64: Process 7974 attached [pid 7973] <... memfd_create resumed>) = 3 [pid 7970] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7969] <... close resumed>) = 0 [pid 7975] set_robust_list(0x7f76b0b769e0, 24 [pid 7974] set_robust_list(0x7f76b0b769e0, 24 [pid 7973] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7972] <... clone resumed>, parent_tid=[7975], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7975 [pid 7969] mkdir("./file0", 0777 [pid 7968] <... write resumed>) = 4194304 [pid 7975] <... set_robust_list resumed>) = 0 [pid 7974] <... set_robust_list resumed>) = 0 [pid 7973] <... mmap resumed>) = 0x7f76a8756000 [pid 7972] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7969] <... mkdir resumed>) = 0 [pid 7968] munmap(0x7f76a8756000, 4194304 [pid 7975] memfd_create("syzkaller", 0 [pid 7974] memfd_create("syzkaller", 0 [pid 7972] <... futex resumed>) = 0 [pid 7969] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7968] <... munmap resumed>) = 0 [pid 7975] <... memfd_create resumed>) = 3 [pid 7974] <... memfd_create resumed>) = 3 [pid 7972] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 274.847240][ T7969] loop0: detected capacity change from 0 to 8192 [pid 7968] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7975] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7974] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7968] <... openat resumed>) = 4 [pid 7973] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7975] <... mmap resumed>) = 0x7f76a8756000 [pid 7974] <... mmap resumed>) = 0x7f76a8756000 [pid 7968] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7968] close(3) = 0 [pid 7968] mkdir("./file0", 0777) = 0 [ 274.901470][ T7969] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 274.916157][ T7969] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 274.925538][ T7969] REISERFS (device loop0): using ordered data mode [ 274.932493][ T7969] reiserfs: using flush barriers [ 274.937853][ T7968] loop1: detected capacity change from 0 to 8192 [pid 7968] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 274.951176][ T7969] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 274.975770][ T7968] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7975] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7974] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7975] <... write resumed>) = 4194304 [pid 7975] munmap(0x7f76a8756000, 4194304) = 0 [pid 7975] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 275.003350][ T7969] REISERFS (device loop0): checking transaction log (loop0) [ 275.026582][ T7968] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 275.041513][ T7969] REISERFS (device loop0): Using r5 hash to sort names [pid 7975] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7975] close(3) = 0 [pid 7975] mkdir("./file0", 0777) = 0 [ 275.055015][ T7975] loop2: detected capacity change from 0 to 8192 [ 275.057917][ T7969] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 275.083744][ T7968] REISERFS (device loop1): using ordered data mode [ 275.091122][ T7975] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7975] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7973] <... write resumed>) = 4194304 [pid 7973] munmap(0x7f76a8756000, 4194304) = 0 [pid 7973] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7973] ioctl(4, LOOP_SET_FD, 3 [pid 7974] <... write resumed>) = 4194304 [pid 7974] munmap(0x7f76a8756000, 4194304) = 0 [pid 7974] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 275.104322][ T7975] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 275.114051][ T7968] reiserfs: using flush barriers [ 275.121360][ T7975] REISERFS (device loop2): using ordered data mode [ 275.122448][ T7973] loop4: detected capacity change from 0 to 8192 [ 275.136344][ T7968] 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 7974] ioctl(4, LOOP_SET_FD, 3 [pid 7973] <... ioctl resumed>) = 0 [pid 7973] close(3) = 0 [pid 7973] mkdir("./file0", 0777) = 0 [pid 7973] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7974] <... ioctl resumed>) = 0 [pid 7969] <... mount resumed>) = 0 [pid 7969] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7969] chdir("./file0") = 0 [pid 7969] ioctl(4, LOOP_CLR_FD) = 0 [pid 7969] close(4) = 0 [pid 7969] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7966] <... futex resumed>) = 0 [pid 7966] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7966] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7969] <... futex resumed>) = 1 [ 275.137862][ T7974] loop3: detected capacity change from 0 to 8192 [ 275.153195][ T7969] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 275.163598][ T7975] reiserfs: using flush barriers [ 275.170587][ T7968] REISERFS (device loop1): checking transaction log (loop1) [ 275.182819][ T7975] 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 7969] mkdir("./file1", 000 [pid 7974] close(3) = 0 [pid 7974] mkdir("./file0", 0777) = 0 [pid 7969] <... mkdir resumed>) = 0 [pid 7974] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 275.200011][ T7973] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 275.201903][ T7975] REISERFS (device loop2): checking transaction log (loop2) [ 275.217022][ T7968] REISERFS (device loop1): Using r5 hash to sort names [ 275.222899][ T7973] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 275.229210][ T7968] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7969] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7966] <... futex resumed>) = 0 [pid 7969] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7966] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7966] <... futex resumed>) = 0 [pid 7969] mkdir("./bus", 000) = 0 [pid 7966] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7969] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7969] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7966] <... futex resumed>) = 0 [pid 7966] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7969] <... futex resumed>) = 0 [pid 7966] <... futex resumed>) = 1 [pid 7969] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 275.242038][ T7975] REISERFS (device loop2): Using r5 hash to sort names [ 275.263682][ T7968] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 275.273549][ T7974] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 275.273999][ T7973] REISERFS (device loop4): using ordered data mode [ 275.287190][ T7969] overlayfs: upper fs needs to support d_type. [pid 7966] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7968] <... mount resumed>) = 0 [pid 7968] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7968] chdir("./file0") = 0 [pid 7968] ioctl(4, LOOP_CLR_FD) = 0 [pid 7968] close(4 [pid 7966] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7966] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7968] <... close resumed>) = 0 [ 275.293740][ T7975] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 275.300428][ T7969] overlayfs: upper fs does not support tmpfile. [ 275.312169][ T7974] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 275.312286][ T7974] REISERFS (device loop3): using ordered data mode [ 275.334991][ T7974] reiserfs: using flush barriers [pid 7968] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7967] <... futex resumed>) = 0 [pid 7966] <... mmap resumed>) = 0x7f76a8b35000 [pid 7968] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7967] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7966] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7968] <... futex resumed>) = 0 [pid 7967] <... futex resumed>) = 1 [pid 7966] <... mprotect resumed>) = 0 [pid 7968] mkdir("./file1", 000) = 0 [pid 7968] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7968] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7967] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7966] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7967] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7966] <... clone resumed>, parent_tid=[7981], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7981 [pid 7968] <... futex resumed>) = 0 [ 275.343658][ T7974] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 275.362071][ T7969] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 275.365353][ T7973] reiserfs: using flush barriers [ 275.371553][ T7969] overlayfs: failed to resolve './file0': -2 [ 275.380696][ T7974] REISERFS (device loop3): checking transaction log (loop3) [pid 7967] <... futex resumed>) = 1 [pid 7966] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7981 attached [pid 7969] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7968] mkdir("./bus", 000 [pid 7981] set_robust_list(0x7f76a8b559e0, 24 [pid 7968] <... mkdir resumed>) = 0 [pid 7981] <... set_robust_list resumed>) = 0 [pid 7975] <... mount resumed>) = 0 [pid 7969] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7968] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7967] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7966] <... futex resumed>) = 0 [pid 7981] mkdir(".", 0777 [pid 7968] <... futex resumed>) = 0 [pid 7981] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7968] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7981] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7975] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7975] chdir("./file0") = 0 [pid 7969] <... futex resumed>) = 0 [pid 7967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7966] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7975] ioctl(4, LOOP_CLR_FD) = 0 [ 275.398235][ T7975] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 275.408716][ T7974] REISERFS (device loop3): Using r5 hash to sort names [ 275.410330][ T7973] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 275.429768][ T7974] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 275.432589][ T7973] REISERFS (device loop4): checking transaction log (loop4) [pid 7975] close(4) = 0 [pid 7969] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7967] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7975] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7972] <... futex resumed>) = 0 [pid 7975] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7972] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7968] <... futex resumed>) = 0 [pid 7967] <... futex resumed>) = 1 [pid 7975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7974] <... mount resumed>) = 0 [pid 7972] <... futex resumed>) = 0 [pid 7968] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7967] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7975] mkdir("./file1", 000 [pid 7974] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7972] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7975] <... mkdir resumed>) = 0 [pid 7975] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7972] <... futex resumed>) = 0 [ 275.456930][ T7974] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 275.458366][ T7973] REISERFS (device loop4): Using r5 hash to sort names [ 275.484229][ T7973] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 275.500805][ T7968] overlayfs: upper fs needs to support d_type. [pid 7975] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7974] <... openat resumed>) = 3 [pid 7972] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7972] <... futex resumed>) = 0 [pid 7975] mkdir("./bus", 000 [pid 7972] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7975] <... mkdir resumed>) = 0 [pid 7975] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7974] chdir("./file0" [pid 7972] <... futex resumed>) = 0 [pid 7975] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7972] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7972] <... futex resumed>) = 0 [pid 7975] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7972] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7974] <... chdir resumed>) = 0 [pid 7974] ioctl(4, LOOP_CLR_FD [pid 7981] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 275.508025][ T7981] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 275.510217][ T7968] overlayfs: upper fs does not support tmpfile. [ 275.528988][ T7968] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 275.537097][ T7975] overlayfs: upper fs needs to support d_type. [ 275.539729][ T7973] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7981] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7981] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7973] <... mount resumed>) = 0 [pid 7973] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7967] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7966] <... futex resumed>) = 0 [pid 7974] <... ioctl resumed>) = 0 [pid 7967] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7974] close(4 [pid 7967] <... futex resumed>) = 0 [pid 7966] exit_group(0 [pid 7974] <... close resumed>) = 0 [pid 7973] <... openat resumed>) = 3 [pid 7973] chdir("./file0") = 0 [pid 7973] ioctl(4, LOOP_CLR_FD [pid 7967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7981] <... futex resumed>) = ? [pid 7969] <... futex resumed>) = ? [pid 7966] <... exit_group resumed>) = ? [pid 7974] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7981] +++ exited with 0 +++ [pid 7967] <... mmap resumed>) = 0x7f76a8b35000 [pid 7973] <... ioctl resumed>) = 0 [pid 7973] close(4) = 0 [pid 7973] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7969] +++ exited with 0 +++ [pid 7973] <... futex resumed>) = 1 [pid 7972] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7966] +++ exited with 0 +++ [pid 7974] <... futex resumed>) = 1 [pid 7971] <... futex resumed>) = 0 [pid 7970] <... futex resumed>) = 0 [pid 7967] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 7974] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7973] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7972] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7971] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7970] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7967] <... mprotect resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7966, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 7974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7972] <... futex resumed>) = 0 [pid 7971] <... futex resumed>) = 0 [pid 7970] <... futex resumed>) = 0 [pid 7974] mkdir("./file1", 000 [pid 7973] mkdir("./file1", 000 [pid 7972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7971] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7970] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7967] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7974] <... mkdir resumed>) = 0 [pid 7973] <... mkdir resumed>) = 0 [pid 7972] <... mmap resumed>) = 0x7f76a8b35000 [pid 5008] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7974] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7973] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7972] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7973] <... futex resumed>) = 1 [pid 7972] <... mprotect resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7974] <... futex resumed>) = 1 [pid 7973] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7972] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7971] <... futex resumed>) = 0 [pid 7970] <... futex resumed>) = 0 [pid 7967] <... clone resumed>, parent_tid=[7982], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7982 [pid 5008] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7982 attached [pid 7974] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7971] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7970] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7967] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] fstat(3, [pid 7982] set_robust_list(0x7f76a8b559e0, 24 [pid 7974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7973] <... futex resumed>) = 0 [pid 7972] <... clone resumed>, parent_tid=[7983], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7983 [pid 7971] <... futex resumed>) = 1 [pid 7970] <... futex resumed>) = 0 [pid 7968] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7967] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7982] <... set_robust_list resumed>) = 0 [pid 7974] mkdir("./bus", 000 [pid 7973] mkdir("./bus", 000 [pid 7972] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 7971] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7970] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7968] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7967] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] getdents64(3, ./strace-static-x86_64: Process 7983 attached [ 275.543331][ T7975] overlayfs: upper fs does not support tmpfile. [ 275.544055][ T7975] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 275.577578][ T7968] overlayfs: failed to resolve './file0': -2 [pid 7982] mkdir(".", 0777 [pid 7974] <... mkdir resumed>) = 0 [pid 7973] <... mkdir resumed>) = 0 [pid 7972] <... futex resumed>) = 0 [pid 7968] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7983] set_robust_list(0x7f76a8b559e0, 24 [pid 7982] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7974] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7973] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7972] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7968] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7983] <... set_robust_list resumed>) = 0 [pid 7982] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7974] <... futex resumed>) = 1 [pid 7973] <... futex resumed>) = 1 [pid 7971] <... futex resumed>) = 0 [pid 7970] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7983] mkdir(".", 0777 [pid 7974] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7973] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7971] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7970] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] lstat("./139/binderfs", [pid 7975] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7983] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7975] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7971] <... futex resumed>) = 0 [pid 7970] <... futex resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7983] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7975] <... futex resumed>) = 0 [pid 7974] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7973] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7971] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7970] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] unlink("./139/binderfs" [pid 7975] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... unlink resumed>) = 0 [ 275.631357][ T7982] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 275.644588][ T7975] overlayfs: failed to resolve './file0': -2 [ 275.660559][ T7973] overlayfs: upper fs needs to support d_type. [ 275.660559][ T7974] overlayfs: upper fs needs to support d_type. [ 275.660610][ T7974] overlayfs: upper fs does not support tmpfile. [pid 5008] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7982] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7982] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7982] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7983] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7967] <... futex resumed>) = 0 [pid 7983] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7970] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7967] exit_group(0 [pid 7983] <... futex resumed>) = 1 [pid 7982] <... futex resumed>) = ? [pid 7972] <... futex resumed>) = 0 [pid 7970] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7968] <... futex resumed>) = ? [pid 7967] <... exit_group resumed>) = ? [pid 7968] +++ exited with 0 +++ [pid 7983] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7982] +++ exited with 0 +++ [pid 7972] exit_group(0 [pid 7971] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7970] <... futex resumed>) = 0 [pid 7967] +++ exited with 0 +++ [pid 7971] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7975] <... futex resumed>) = ? [pid 7972] <... exit_group resumed>) = ? [pid 7971] <... futex resumed>) = 0 [pid 7970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7967, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 7970] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 7975] +++ exited with 0 +++ [pid 7971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7970] <... mprotect resumed>) = 0 [pid 5009] <... restart_syscall resumed>) = 0 [pid 7983] <... futex resumed>) = ? [pid 7971] <... mmap resumed>) = 0x7f76a8b35000 [pid 7970] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7983] +++ exited with 0 +++ [pid 7972] +++ exited with 0 +++ [pid 7971] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7970] <... clone resumed>, parent_tid=[7984], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7984 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7972, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [ 275.670966][ T7973] overlayfs: upper fs does not support tmpfile. [ 275.678898][ T7983] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 275.684170][ T7973] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 275.695999][ T7974] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 275.712357][ T7973] overlayfs: failed to resolve './file0': -2 [pid 5009] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7971] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7970] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7970] <... futex resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7971] <... clone resumed>, parent_tid=[7985], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7985 [pid 7970] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... openat resumed>) = 3 [pid 7971] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] fstat(3, [pid 7971] <... futex resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7971] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] <... openat resumed>) = 3 [pid 5009] getdents64(3, ./strace-static-x86_64: Process 7985 attached ./strace-static-x86_64: Process 7984 attached [pid 5010] fstat(3, [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 7985] set_robust_list(0x7f76a8b559e0, 24 [pid 7984] set_robust_list(0x7f76a8b559e0, 24 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7985] <... set_robust_list resumed>) = 0 [pid 7984] <... set_robust_list resumed>) = 0 [pid 5010] getdents64(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7985] mkdir(".", 0777 [pid 7984] mkdir(".", 0777 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] lstat("./139/binderfs", [pid 7985] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7984] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5010] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7984] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] unlink("./139/binderfs" [pid 7985] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5010] lstat("./140/binderfs", [pid 5009] <... unlink resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] unlink("./140/binderfs") = 0 [ 275.747191][ T7974] overlayfs: failed to resolve './file0': -2 [ 275.783061][ T7985] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5010] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7985] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7974] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7973] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... umount2 resumed>) = 0 [pid 7985] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7984] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 7974] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7973] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7985] <... futex resumed>) = 1 [pid 7974] <... futex resumed>) = 0 [pid 7971] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7985] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7974] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7971] exit_group(0 [pid 5008] lstat("./139/file0", [pid 7985] <... futex resumed>) = ? [pid 7971] <... exit_group resumed>) = ? [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7985] +++ exited with 0 +++ [pid 5008] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./139/file0", 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, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4 [pid 7973] <... futex resumed>) = ? [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./139/file0") = 0 [pid 7973] +++ exited with 0 +++ [pid 7971] +++ exited with 0 +++ [pid 5008] getdents64(3, [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7971, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7984] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] close(3 [pid 7984] <... futex resumed>) = 1 [pid 7970] <... futex resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 7984] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7970] exit_group(0 [pid 5008] rmdir("./139" [pid 7984] <... futex resumed>) = ? [pid 7974] <... futex resumed>) = ? [pid 7970] <... exit_group resumed>) = ? [pid 5008] <... rmdir resumed>) = 0 [pid 7984] +++ exited with 0 +++ [pid 7974] +++ exited with 0 +++ [pid 5008] mkdir("./140", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 7970] +++ exited with 0 +++ [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7970, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW [ 275.796895][ T7984] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5012] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... openat resumed>) = 3 [pid 5011] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] fstat(3, [pid 5011] <... openat resumed>) = 3 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7986 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] fstat(3, [pid 5012] getdents64(3, [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] getdents64(3, [pid 5012] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] lstat("./141/binderfs", [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7986 attached [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] lstat("./140/binderfs", [pid 7986] set_robust_list(0x555556dec5e0, 24 [pid 5012] unlink("./141/binderfs" [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7986] <... set_robust_list resumed>) = 0 [pid 5012] <... unlink resumed>) = 0 [pid 5011] unlink("./140/binderfs" [pid 7986] chdir("./140" [pid 5012] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... unlink resumed>) = 0 [pid 7986] <... chdir resumed>) = 0 [pid 5011] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7986] setpgid(0, 0) = 0 [pid 7986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7986] write(3, "1000", 4) = 4 [pid 7986] close(3) = 0 [pid 7986] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7986] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7986] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7986] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7987], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7987 [pid 7986] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7986] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7987 attached [pid 7987] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7987] memfd_create("syzkaller", 0) = 3 [pid 7987] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 7987] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7987] munmap(0x7f76a8756000, 4194304) = 0 [pid 7987] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5009] <... umount2 resumed>) = 0 [pid 7987] <... openat resumed>) = 4 [pid 7987] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5009] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./139/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./139/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./139/file0") = 0 [pid 7987] close(3) = 0 [pid 7987] mkdir("./file0", 0777) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./139") = 0 [pid 7987] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] mkdir("./140", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 276.008162][ T7987] loop0: detected capacity change from 0 to 8192 [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 7989 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./140/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./140/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 7989 attached [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4 [pid 7989] set_robust_list(0x555556dec5e0, 24 [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./140/file0" [pid 7989] <... set_robust_list resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 7989] chdir("./140" [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./140" [pid 7989] <... chdir resumed>) = 0 [pid 7989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5010] mkdir("./141", 0777 [pid 7989] setpgid(0, 0 [pid 5010] <... mkdir resumed>) = 0 [pid 7989] <... setpgid resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... openat resumed>) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 7989] <... openat resumed>) = 3 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7989] write(3, "1000", 4) = 4 [pid 7989] close(3) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7990 ./strace-static-x86_64: Process 7990 attached [pid 7990] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7990] chdir("./141") = 0 [pid 7990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7990] setpgid(0, 0) = 0 [pid 7990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 276.050465][ T7987] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7989] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7990] <... openat resumed>) = 3 [pid 7990] write(3, "1000", 4) = 4 [pid 7990] close(3) = 0 [pid 7990] symlink("/dev/binderfs", "./binderfs" [pid 7989] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7990] <... symlink resumed>) = 0 [pid 7989] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7990] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] <... umount2 resumed>) = 0 [pid 7990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 7990] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7989] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7990] <... mprotect resumed>) = 0 [pid 7990] clone(child_stack=0x7f76b0b763f0, 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 7992 attached ./strace-static-x86_64: Process 7991 attached [pid 7989] <... clone resumed>, parent_tid=[7991], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7991 [pid 5012] <... umount2 resumed>) = 0 [pid 5011] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7992] set_robust_list(0x7f76b0b769e0, 24 [pid 7991] set_robust_list(0x7f76b0b769e0, 24 [pid 5012] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7992] <... set_robust_list resumed>) = 0 [pid 7991] <... set_robust_list resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./140/file0", [pid 7992] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7991] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] lstat("./141/file0", [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./140/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] openat(AT_FDCWD, "./141/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... openat resumed>) = 4 [pid 5012] <... openat resumed>) = 4 [pid 5011] fstat(4, [pid 5012] fstat(4, [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, [pid 5012] getdents64(4, [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, [pid 5012] getdents64(4, [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4 [pid 5012] close(4 [pid 5011] <... close resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5011] rmdir("./140/file0" [pid 5012] rmdir("./141/file0" [pid 5011] <... rmdir resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5011] getdents64(3, [pid 5012] getdents64(3, [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3 [pid 5012] close(3 [pid 5011] <... close resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5011] rmdir("./140" [pid 5012] rmdir("./141" [pid 5011] <... rmdir resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5011] mkdir("./141", 0777 [pid 5012] mkdir("./142", 0777 [pid 5011] <... mkdir resumed>) = 0 [pid 7989] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... mkdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7991] <... futex resumed>) = 0 [pid 7990] <... clone resumed>, parent_tid=[7992], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7992 [pid 7989] <... futex resumed>) = 1 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] <... openat resumed>) = 3 [pid 7991] memfd_create("syzkaller", 0 [pid 7990] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7989] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... openat resumed>) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 7992] <... futex resumed>) = 0 [pid 7991] <... memfd_create resumed>) = 3 [pid 7990] <... futex resumed>) = 1 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7992] memfd_create("syzkaller", 0 [pid 7991] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7990] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] close(3 [pid 7992] <... memfd_create resumed>) = 3 [pid 7991] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] close(3 [pid 5011] <... close resumed>) = 0 [pid 7992] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7993 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 7994 [ 276.095330][ T7987] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 276.104917][ T7987] REISERFS (device loop0): using ordered data mode [ 276.111998][ T7987] reiserfs: using flush barriers [ 276.118956][ T7987] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7992] <... mmap resumed>) = 0x7f76a8756000 ./strace-static-x86_64: Process 7994 attached ./strace-static-x86_64: Process 7993 attached [pid 7994] set_robust_list(0x555556dec5e0, 24) = 0 [pid 7994] chdir("./142" [pid 7993] set_robust_list(0x555556dec5e0, 24 [pid 7994] <... chdir resumed>) = 0 [pid 7993] <... set_robust_list resumed>) = 0 [pid 7994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7993] chdir("./141" [pid 7994] <... prctl resumed>) = 0 [pid 7993] <... chdir resumed>) = 0 [pid 7994] setpgid(0, 0 [pid 7993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7994] <... setpgid resumed>) = 0 [pid 7993] <... prctl resumed>) = 0 [pid 7994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7993] setpgid(0, 0 [pid 7994] <... openat resumed>) = 3 [pid 7993] <... setpgid resumed>) = 0 [pid 7994] write(3, "1000", 4) = 4 [pid 7993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7994] close(3 [pid 7993] <... openat resumed>) = 3 [pid 7994] <... close resumed>) = 0 [pid 7993] write(3, "1000", 4 [pid 7994] symlink("/dev/binderfs", "./binderfs" [pid 7993] <... write resumed>) = 4 [pid 7992] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 276.147629][ T7987] REISERFS (device loop0): checking transaction log (loop0) [ 276.161922][ T7987] REISERFS (device loop0): Using r5 hash to sort names [pid 7994] <... symlink resumed>) = 0 [pid 7993] close(3 [pid 7994] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7993] <... close resumed>) = 0 [pid 7991] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7994] <... futex resumed>) = 0 [pid 7993] symlink("/dev/binderfs", "./binderfs" [pid 7994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7993] <... symlink resumed>) = 0 [pid 7994] <... mmap resumed>) = 0x7f76b0b56000 [pid 7993] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7994] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7993] <... futex resumed>) = 0 [pid 7994] <... mprotect resumed>) = 0 [pid 7993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7994] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7993] <... mmap resumed>) = 0x7f76b0b56000 ./strace-static-x86_64: Process 7995 attached [pid 7993] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 7995] set_robust_list(0x7f76b0b769e0, 24 [pid 7994] <... clone resumed>, parent_tid=[7995], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7995 [pid 7993] <... mprotect resumed>) = 0 [pid 7995] <... set_robust_list resumed>) = 0 [pid 7994] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7993] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7995] memfd_create("syzkaller", 0 [pid 7994] <... futex resumed>) = 0 [pid 7995] <... memfd_create resumed>) = 3 [pid 7994] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7993] <... clone resumed>, parent_tid=[7996], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 7996 [pid 7995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7993] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7995] <... mmap resumed>) = 0x7f76a8756000 [pid 7993] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7996 attached [pid 7993] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7996] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 7996] memfd_create("syzkaller", 0) = 3 [pid 7996] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 276.227251][ T7987] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7995] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7987] <... mount resumed>) = 0 [pid 7987] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7991] <... write resumed>) = 4194304 [pid 7987] <... openat resumed>) = 3 [pid 7996] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7987] chdir("./file0" [pid 7991] munmap(0x7f76a8756000, 4194304 [pid 7987] <... chdir resumed>) = 0 [pid 7987] ioctl(4, LOOP_CLR_FD) = 0 [pid 7987] close(4) = 0 [ 276.289441][ T7987] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7987] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7991] <... munmap resumed>) = 0 [pid 7987] <... futex resumed>) = 1 [pid 7987] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7992] <... write resumed>) = 4194304 [pid 7986] <... futex resumed>) = 0 [pid 7991] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7986] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7991] <... openat resumed>) = 4 [pid 7987] <... futex resumed>) = 0 [pid 7986] <... futex resumed>) = 1 [pid 7991] ioctl(4, LOOP_SET_FD, 3 [pid 7987] mkdir("./file1", 000 [pid 7986] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7987] <... mkdir resumed>) = 0 [pid 7987] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7987] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7992] munmap(0x7f76a8756000, 4194304 [pid 7986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7991] <... ioctl resumed>) = 0 [pid 7986] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7991] close(3 [pid 7987] <... futex resumed>) = 0 [pid 7986] <... futex resumed>) = 1 [pid 7991] <... close resumed>) = 0 [pid 7987] mkdir("./bus", 000 [pid 7986] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7991] mkdir("./file0", 0777 [pid 7987] <... mkdir resumed>) = 0 [pid 7992] <... munmap resumed>) = 0 [pid 7991] <... mkdir resumed>) = 0 [pid 7987] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7991] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7987] <... futex resumed>) = 1 [pid 7986] <... futex resumed>) = 0 [pid 7987] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7986] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7986] <... futex resumed>) = 0 [ 276.357765][ T7991] loop1: detected capacity change from 0 to 8192 [ 276.387138][ T7987] overlayfs: upper fs needs to support d_type. [ 276.393808][ T7987] overlayfs: upper fs does not support tmpfile. [pid 7987] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7986] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7992] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7992] ioctl(4, LOOP_SET_FD, 3 [pid 7995] <... write resumed>) = 4194304 [pid 7995] munmap(0x7f76a8756000, 4194304 [pid 7992] <... ioctl resumed>) = 0 [pid 7992] close(3) = 0 [pid 7992] mkdir("./file0", 0777) = 0 [pid 7992] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7995] <... munmap resumed>) = 0 [pid 7995] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 276.400995][ T7991] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.419212][ T7992] loop2: detected capacity change from 0 to 8192 [ 276.422345][ T7991] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 276.428714][ T7987] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 276.435577][ T7991] REISERFS (device loop1): using ordered data mode [ 276.453127][ T7991] reiserfs: using flush barriers [pid 7995] ioctl(4, LOOP_SET_FD, 3 [pid 7986] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7987] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7996] <... write resumed>) = 4194304 [pid 7986] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 276.457658][ T7992] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.462381][ T7987] overlayfs: failed to resolve './file0': -2 [ 276.472039][ T7991] 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 7986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7986] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7986] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7999], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 7999 [pid 7986] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7986] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7999 attached [pid 7999] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 7999] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 7999] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7996] munmap(0x7f76a8756000, 4194304 [pid 7987] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7996] <... munmap resumed>) = 0 [pid 7995] <... ioctl resumed>) = 0 [pid 7987] <... futex resumed>) = 0 [pid 7996] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7995] close(3 [pid 7987] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7996] <... openat resumed>) = 4 [pid 7995] <... close resumed>) = 0 [pid 7996] ioctl(4, LOOP_SET_FD, 3 [pid 7995] mkdir("./file0", 0777) = 0 [pid 7995] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7996] <... ioctl resumed>) = 0 [pid 7999] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 276.504934][ T7992] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 276.514506][ T7995] loop4: detected capacity change from 0 to 8192 [ 276.524994][ T7992] REISERFS (device loop2): using ordered data mode [ 276.529465][ T7999] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 276.532061][ T7992] reiserfs: using flush barriers [ 276.551872][ T7996] loop3: detected capacity change from 0 to 8192 [pid 7996] close(3 [pid 7999] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7996] <... close resumed>) = 0 [pid 7999] <... futex resumed>) = 1 [pid 7996] mkdir("./file0", 0777 [pid 7999] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7996] <... mkdir resumed>) = 0 [pid 7996] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7986] <... futex resumed>) = 0 [pid 7986] exit_group(0 [pid 7999] <... futex resumed>) = ? [pid 7986] <... exit_group resumed>) = ? [pid 7999] +++ exited with 0 +++ [pid 7987] <... futex resumed>) = ? [ 276.562100][ T7991] REISERFS (device loop1): checking transaction log (loop1) [ 276.562417][ T7992] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.576668][ T7995] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.591948][ T7991] REISERFS (device loop1): Using r5 hash to sort names [pid 7987] +++ exited with 0 +++ [pid 7986] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7986, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5008] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./140", 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, 0x555556ded620 /* 4 entries */, 32768) = 112 [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 [ 276.599574][ T7995] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 276.607955][ T7991] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 276.618698][ T7995] REISERFS (device loop4): using ordered data mode [ 276.635772][ T7996] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.642628][ T7992] REISERFS (device loop2): checking transaction log (loop2) [ 276.649460][ T7995] reiserfs: using flush barriers [pid 5008] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7991] <... mount resumed>) = 0 [pid 7991] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7991] chdir("./file0") = 0 [pid 7991] ioctl(4, LOOP_CLR_FD) = 0 [pid 7991] close(4) = 0 [pid 7991] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7989] <... futex resumed>) = 0 [pid 7989] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7989] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7991] <... futex resumed>) = 1 [pid 7991] mkdir("./file1", 000) = 0 [pid 7991] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7989] <... futex resumed>) = 0 [pid 7989] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 276.656954][ T7996] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 276.663857][ T7991] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 276.680524][ T7996] REISERFS (device loop3): using ordered data mode [ 276.681707][ T7995] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.687403][ T7996] reiserfs: using flush barriers [pid 7989] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7991] <... futex resumed>) = 1 [pid 7991] mkdir("./bus", 000) = 0 [pid 7991] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7989] <... futex resumed>) = 0 [pid 7989] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7989] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7991] <... futex resumed>) = 1 [ 276.710926][ T7996] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.719663][ T7995] REISERFS (device loop4): checking transaction log (loop4) [ 276.730397][ T7992] REISERFS (device loop2): Using r5 hash to sort names [ 276.735338][ T7991] overlayfs: upper fs needs to support d_type. [ 276.748467][ T7991] overlayfs: upper fs does not support tmpfile. [pid 7991] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7989] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7989] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7989] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7989] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8002], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8002 [pid 7989] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7989] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8002 attached [pid 8002] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8002] mkdir(".", 0777) = -1 EEXIST (File exists) [ 276.757114][ T7991] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 276.765637][ T7992] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 276.766303][ T7995] REISERFS (device loop4): Using r5 hash to sort names [ 276.781748][ T7996] REISERFS (device loop3): checking transaction log (loop3) [ 276.794835][ T7991] overlayfs: failed to resolve './file0': -2 [ 276.804059][ T7996] REISERFS (device loop3): Using r5 hash to sort names [pid 8002] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7992] <... mount resumed>) = 0 [pid 7992] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7992] chdir("./file0" [pid 7991] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7992] <... chdir resumed>) = 0 [pid 7992] ioctl(4, LOOP_CLR_FD) = 0 [ 276.825765][ T7992] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 276.836788][ T7996] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 276.847644][ T8002] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 276.862733][ T7996] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7991] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7992] close(4 [pid 7991] <... futex resumed>) = 0 [pid 7996] <... mount resumed>) = 0 [pid 7992] <... close resumed>) = 0 [pid 7991] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... umount2 resumed>) = 0 [pid 7996] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7992] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7992] <... futex resumed>) = 1 [pid 7996] <... openat resumed>) = 3 [pid 7992] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7990] <... futex resumed>) = 0 [pid 5008] lstat("./140/file0", [pid 7996] chdir("./file0" [pid 7990] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7990] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8002] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8002] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7989] <... futex resumed>) = 0 [pid 7989] exit_group(0 [pid 7991] <... futex resumed>) = ? [pid 7989] <... exit_group resumed>) = ? [pid 7991] +++ exited with 0 +++ [pid 7996] <... chdir resumed>) = 0 [pid 7992] <... futex resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8002] <... futex resumed>) = ? [pid 7996] ioctl(4, LOOP_CLR_FD [pid 7992] mkdir("./file1", 000 [pid 5008] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7996] <... ioctl resumed>) = 0 [pid 7992] <... mkdir resumed>) = 0 [pid 7996] close(4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7996] <... close resumed>) = 0 [pid 7992] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7996] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7995] <... mount resumed>) = 0 [pid 7992] <... futex resumed>) = 1 [pid 7990] <... futex resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./140/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7996] <... futex resumed>) = 1 [pid 7995] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7993] <... futex resumed>) = 0 [pid 7992] mkdir("./bus", 000 [pid 7990] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7996] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7995] <... openat resumed>) = 3 [pid 7993] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7990] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 7996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7995] chdir("./file0" [pid 7993] <... futex resumed>) = 0 [pid 7992] <... mkdir resumed>) = 0 [pid 7990] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] fstat(4, [pid 7996] mkdir("./file1", 000 [pid 7995] <... chdir resumed>) = 0 [pid 7993] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7992] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8002] +++ exited with 0 +++ [pid 7996] <... mkdir resumed>) = 0 [pid 7995] ioctl(4, LOOP_CLR_FD [pid 7992] <... futex resumed>) = 0 [pid 7990] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7989] +++ exited with 0 +++ [pid 5008] getdents64(4, [pid 7996] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7995] <... ioctl resumed>) = 0 [pid 7992] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7990] <... futex resumed>) = 0 [pid 7996] <... futex resumed>) = 1 [pid 7995] close(4 [pid 7993] <... futex resumed>) = 0 [pid 7990] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 7996] mkdir("./bus", 000 [pid 7995] <... close resumed>) = 0 [pid 7993] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 276.879010][ T7995] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 276.893776][ T7995] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7993] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7989, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7996] <... mkdir resumed>) = 0 [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 7995] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5008] getdents64(4, [pid 7996] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7995] <... futex resumed>) = 1 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 7996] <... futex resumed>) = 1 [pid 7995] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7996] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7994] <... futex resumed>) = 0 [pid 7993] <... futex resumed>) = 0 [pid 5008] close(4 [pid 5009] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] rmdir("./140/file0" [pid 7994] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7993] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... openat resumed>) = 3 [pid 7996] <... futex resumed>) = 0 [pid 7995] <... futex resumed>) = 0 [pid 7994] <... futex resumed>) = 1 [pid 7993] <... futex resumed>) = 1 [pid 5008] <... rmdir resumed>) = 0 [pid 7996] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7995] mkdir("./file1", 000 [pid 7994] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7993] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7995] <... mkdir resumed>) = 0 [pid 5009] fstat(3, [pid 5008] getdents64(3, [pid 7995] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7994] <... futex resumed>) = 0 [pid 7995] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7994] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7994] <... futex resumed>) = 0 [pid 7995] mkdir("./bus", 000 [pid 7994] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7995] <... mkdir resumed>) = 0 [pid 7995] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7994] <... futex resumed>) = 0 [pid 7995] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 276.929962][ T7992] overlayfs: upper fs needs to support d_type. [ 276.941827][ T7992] overlayfs: upper fs does not support tmpfile. [ 276.945333][ T7996] overlayfs: upper fs needs to support d_type. [ 276.949978][ T7992] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 276.957517][ T7996] overlayfs: upper fs does not support tmpfile. [ 276.963998][ T7992] overlayfs: failed to resolve './file0': -2 [pid 7994] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7994] <... futex resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7995] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 7994] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7990] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7996] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7992] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7990] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] getdents64(3, [pid 5008] close(3 [pid 7996] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7992] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7990] <... futex resumed>) = 0 [pid 7996] <... futex resumed>) = 1 [pid 7993] <... futex resumed>) = 0 [pid 7992] <... futex resumed>) = 0 [pid 7990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... close resumed>) = 0 [pid 7996] mkdir(".", 0777 [pid 7993] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 7992] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7990] <... mmap resumed>) = 0x7f76a8b35000 [pid 7996] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7993] <... futex resumed>) = 0 [pid 7990] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5009] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] rmdir("./140" [pid 7996] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7993] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7990] <... mprotect resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7990] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... rmdir resumed>) = 0 [pid 5009] lstat("./140/binderfs", [pid 7990] <... clone resumed>, parent_tid=[8003], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8003 [pid 5008] mkdir("./141", 0777 [pid 7990] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7990] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] unlink("./140/binderfs" [pid 5008] <... mkdir resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 276.976798][ T7996] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 276.985723][ T7996] overlayfs: failed to resolve './file0': -2 [ 276.987969][ T7995] overlayfs: upper fs needs to support d_type. [pid 5009] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8003 attached [pid 5008] <... openat resumed>) = 3 [pid 8003] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 8003] mkdir(".", 0777 [pid 7994] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] <... close resumed>) = 0 [pid 8003] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7994] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8003] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7994] <... futex resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 7994] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7994] clone(child_stack=0x7f76a8b553f0, 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=0x555556dec5d0) = 8004 [pid 7994] <... clone resumed>, parent_tid=[8005], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8005 [pid 7994] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7994] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8004 attached [ 277.022351][ T7996] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 277.026479][ T7995] overlayfs: upper fs does not support tmpfile. [pid 8004] set_robust_list(0x555556dec5e0, 24 [pid 7996] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8004] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 8005 attached [pid 8004] chdir("./141") = 0 [pid 8004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8005] set_robust_list(0x7f76a8b559e0, 24 [pid 8004] <... prctl resumed>) = 0 [pid 8005] <... set_robust_list resumed>) = 0 [pid 8004] setpgid(0, 0 [pid 7996] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8004] <... setpgid resumed>) = 0 [pid 8005] mkdir(".", 0777 [pid 7996] <... futex resumed>) = 1 [pid 7993] <... futex resumed>) = 0 [pid 8005] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 7993] exit_group(0 [pid 8005] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 7993] <... exit_group resumed>) = ? [pid 8004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8004] write(3, "1000", 4) = 4 [ 277.063484][ T8003] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8004] close(3) = 0 [pid 7996] +++ exited with 0 +++ [pid 7993] +++ exited with 0 +++ [pid 8004] symlink("/dev/binderfs", "./binderfs" [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7993, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 8004] <... symlink resumed>) = 0 [pid 8004] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8004] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8004] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8003] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 8004] <... mprotect resumed>) = 0 [pid 5009] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] fstat(3, [pid 8004] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8003] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(3, [pid 5009] lstat("./140/file0", [pid 8004] <... clone resumed>, parent_tid=[8006], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8006 [pid 8003] <... futex resumed>) = 1 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8004] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8003] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8004] <... futex resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7990] <... futex resumed>) = 0 [pid 7990] exit_group(0 [pid 8003] <... futex resumed>) = ? [pid 7990] <... exit_group resumed>) = ? [pid 8003] +++ exited with 0 +++ [pid 8004] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] lstat("./141/binderfs", [pid 7992] <... futex resumed>) = ? [pid 5009] openat(AT_FDCWD, "./140/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8006 attached [pid 8006] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] <... openat resumed>) = 4 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8006] <... set_robust_list resumed>) = 0 [pid 8006] memfd_create("syzkaller", 0) = 3 [pid 7992] +++ exited with 0 +++ [pid 7990] +++ exited with 0 +++ [pid 5011] unlink("./141/binderfs" [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7990, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=25 /* 0.25 s */} --- [pid 5009] fstat(4, [pid 8005] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... unlink resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8005] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] getdents64(4, [pid 8005] <... futex resumed>) = 1 [pid 7994] <... futex resumed>) = 0 [pid 5010] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8005] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] getdents64(4, [pid 5010] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5010] fstat(3, [pid 5009] close(4 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, [pid 5009] <... close resumed>) = 0 [pid 8006] <... mmap resumed>) = 0x7f76a8756000 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [ 277.100965][ T8005] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 277.132555][ T7995] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5010] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] rmdir("./140/file0" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./141/binderfs") = 0 [pid 5010] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... rmdir resumed>) = 0 [pid 7995] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5009] getdents64(3, [pid 7995] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 7995] <... futex resumed>) = 0 [pid 7994] exit_group(0 [pid 5009] close(3 [pid 8005] <... futex resumed>) = ? [pid 7994] <... exit_group resumed>) = ? [pid 5009] <... close resumed>) = 0 [pid 8005] +++ exited with 0 +++ [pid 7995] +++ exited with 0 +++ [pid 7994] +++ exited with 0 +++ [pid 5009] rmdir("./140" [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7994, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5009] <... rmdir resumed>) = 0 [pid 5009] mkdir("./141", 0777 [pid 5012] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... mkdir resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5012] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... openat resumed>) = 3 [pid 5012] <... openat resumed>) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 8006] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] fstat(3, [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] close(3 [pid 5012] getdents64(3, [pid 5009] <... close resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [ 277.165689][ T7995] overlayfs: failed to resolve './file0': -2 [pid 5012] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8007 [pid 5012] lstat("./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./142/binderfs"./strace-static-x86_64: Process 8007 attached [pid 8007] set_robust_list(0x555556dec5e0, 24 [pid 5012] <... unlink resumed>) = 0 [pid 8007] <... set_robust_list resumed>) = 0 [pid 5012] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8007] chdir("./141") = 0 [pid 8007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8007] setpgid(0, 0) = 0 [pid 8007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8007] write(3, "1000", 4) = 4 [pid 8007] close(3) = 0 [pid 8007] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8007] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8007] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8007] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8008], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8008 [pid 8007] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8007] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8008 attached [pid 8008] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8008] memfd_create("syzkaller", 0) = 3 [pid 8008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./141/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./141/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./141/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./141") = 0 [pid 5011] <... umount2 resumed>) = 0 [pid 5010] mkdir("./142", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8009 ./strace-static-x86_64: Process 8009 attached [pid 8009] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8009] chdir("./142") = 0 [pid 8009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8009] setpgid(0, 0) = 0 [pid 8009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8009] write(3, "1000", 4) = 4 [pid 8009] close(3) = 0 [pid 8009] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8008] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8009] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8009] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8009] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8010], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8010 [pid 8009] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8009] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./141/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./141/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8010 attached ) = 4 [pid 8010] set_robust_list(0x7f76b0b769e0, 24 [pid 5011] fstat(4, [pid 8010] <... set_robust_list resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8010] memfd_create("syzkaller", 0 [pid 5011] getdents64(4, [pid 8010] <... memfd_create resumed>) = 3 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] getdents64(4, [pid 8010] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./141/file0") = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./141") = 0 [pid 5011] mkdir("./142", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8011 ./strace-static-x86_64: Process 8011 attached [pid 8011] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8011] chdir("./142") = 0 [pid 8011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8011] setpgid(0, 0) = 0 [pid 8011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8011] write(3, "1000", 4) = 4 [pid 8011] close(3) = 0 [pid 8011] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8011] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8011] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8011] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8012], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8012 [pid 8011] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = 0 [pid 8011] <... futex resumed>) = 0 [pid 8011] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8012 attached [pid 8012] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8012] memfd_create("syzkaller", 0 [pid 8006] <... write resumed>) = 4194304 [pid 5012] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8012] <... memfd_create resumed>) = 3 [pid 8012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8010] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8006] munmap(0x7f76a8756000, 4194304 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8006] <... munmap resumed>) = 0 [pid 5012] lstat("./142/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8006] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./142/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, [pid 8006] <... openat resumed>) = 4 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8006] ioctl(4, LOOP_SET_FD, 3 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./142/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./142") = 0 [pid 5012] mkdir("./143", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 8006] <... ioctl resumed>) = 0 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8006] close(3 [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8013 [pid 8006] <... close resumed>) = 0 [pid 8006] mkdir("./file0", 0777) = 0 [pid 8006] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8013 attached [pid 8013] set_robust_list(0x555556dec5e0, 24 [pid 8012] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8013] <... set_robust_list resumed>) = 0 [ 277.473839][ T8006] loop0: detected capacity change from 0 to 8192 [pid 8013] chdir("./143") = 0 [pid 8013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8013] setpgid(0, 0) = 0 [pid 8013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8013] write(3, "1000", 4) = 4 [pid 8013] close(3) = 0 [pid 8013] symlink("/dev/binderfs", "./binderfs" [pid 8008] <... write resumed>) = 4194304 [pid 8013] <... symlink resumed>) = 0 [pid 8013] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8013] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8008] munmap(0x7f76a8756000, 4194304 [pid 8013] <... mprotect resumed>) = 0 [pid 8013] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8008] <... munmap resumed>) = 0 [pid 8008] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 277.526992][ T8006] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 277.564121][ T8006] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 8008] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 8015 attached [pid 8013] <... clone resumed>, parent_tid=[8015], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8015 [pid 8008] <... ioctl resumed>) = 0 [pid 8015] set_robust_list(0x7f76b0b769e0, 24 [pid 8013] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] close(3 [pid 8013] <... futex resumed>) = 0 [pid 8015] <... set_robust_list resumed>) = 0 [pid 8013] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8008] <... close resumed>) = 0 [pid 8015] memfd_create("syzkaller", 0 [pid 8008] mkdir("./file0", 0777) = 0 [pid 8015] <... memfd_create resumed>) = 3 [pid 8008] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8010] <... write resumed>) = 4194304 [pid 8015] <... mmap resumed>) = 0x7f76a8756000 [ 277.567785][ T8008] loop1: detected capacity change from 0 to 8192 [ 277.591829][ T8006] REISERFS (device loop0): using ordered data mode [ 277.601673][ T8006] reiserfs: using flush barriers [ 277.607666][ T8008] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8010] munmap(0x7f76a8756000, 4194304) = 0 [pid 8010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8010] ioctl(4, LOOP_SET_FD, 3 [pid 8012] <... write resumed>) = 4194304 [pid 8015] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8012] munmap(0x7f76a8756000, 4194304 [pid 8010] <... ioctl resumed>) = 0 [pid 8012] <... munmap resumed>) = 0 [pid 8010] close(3) = 0 [pid 8010] mkdir("./file0", 0777) = 0 [ 277.621084][ T8006] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 277.640730][ T8010] loop2: detected capacity change from 0 to 8192 [ 277.641294][ T8006] REISERFS (device loop0): checking transaction log (loop0) [ 277.654863][ T8008] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 277.671000][ T8006] REISERFS (device loop0): Using r5 hash to sort names [pid 8012] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8010] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8012] <... openat resumed>) = 4 [ 277.671500][ T8008] REISERFS (device loop1): using ordered data mode [ 277.681098][ T8006] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 277.695317][ T8008] reiserfs: using flush barriers [ 277.700511][ T8006] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 277.704761][ T8010] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8012] ioctl(4, LOOP_SET_FD, 3 [pid 8006] <... mount resumed>) = 0 [pid 8012] <... ioctl resumed>) = 0 [pid 8006] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8006] chdir("./file0") = 0 [pid 8006] ioctl(4, LOOP_CLR_FD) = 0 [pid 8006] close(4) = 0 [pid 8015] <... write resumed>) = 4194304 [pid 8006] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8004] <... futex resumed>) = 0 [pid 8006] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8004] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8004] <... futex resumed>) = 0 [pid 8006] mkdir("./file1", 000 [pid 8004] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8006] <... mkdir resumed>) = 0 [pid 8006] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8015] munmap(0x7f76a8756000, 4194304 [pid 8006] <... futex resumed>) = 1 [pid 8004] <... futex resumed>) = 0 [pid 8006] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8004] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8004] <... futex resumed>) = 0 [pid 8012] close(3 [pid 8006] mkdir("./bus", 000 [pid 8004] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8012] <... close resumed>) = 0 [pid 8006] <... mkdir resumed>) = 0 [pid 8012] mkdir("./file0", 0777 [pid 8006] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8012] <... mkdir resumed>) = 0 [pid 8006] <... futex resumed>) = 1 [pid 8004] <... futex resumed>) = 0 [pid 8012] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8006] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8004] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8015] <... munmap resumed>) = 0 [pid 8006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8004] <... futex resumed>) = 0 [pid 8015] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8006] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 277.725919][ T8012] loop3: detected capacity change from 0 to 8192 [ 277.738121][ T8008] 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 8004] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8015] <... openat resumed>) = 4 [pid 8015] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8015] close(3) = 0 [pid 8015] mkdir("./file0", 0777) = 0 [ 277.773179][ T8006] overlayfs: upper fs needs to support d_type. [ 277.774597][ T8010] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 277.788231][ T8015] loop4: detected capacity change from 0 to 8192 [ 277.789218][ T8010] REISERFS (device loop2): using ordered data mode [ 277.797426][ T8006] overlayfs: upper fs does not support tmpfile. [ 277.801503][ T8010] reiserfs: using flush barriers [ 277.805751][ T8008] REISERFS (device loop1): checking transaction log (loop1) [pid 8015] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8004] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8004] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8004] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8004] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8019], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8019 [pid 8004] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 277.816768][ T8010] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 277.821256][ T8006] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 277.837585][ T8012] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 277.845980][ T8006] overlayfs: failed to resolve './file0': -2 [pid 8004] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8019 attached [pid 8019] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8019] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8019] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8006] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 277.874998][ T8010] REISERFS (device loop2): checking transaction log (loop2) [ 277.878365][ T8008] REISERFS (device loop1): Using r5 hash to sort names [ 277.882824][ T8012] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 277.897711][ T8015] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 277.898964][ T8012] REISERFS (device loop3): using ordered data mode [ 277.918490][ T8012] reiserfs: using flush barriers [ 277.923548][ T8010] REISERFS (device loop2): Using r5 hash to sort names [ 277.923973][ T8008] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 277.931501][ T8019] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 277.947059][ T8015] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 277.956678][ T8010] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8006] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 277.965740][ T8015] REISERFS (device loop4): using ordered data mode [ 277.985478][ T8015] reiserfs: using flush barriers [ 277.992094][ T8015] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.009153][ T8015] REISERFS (device loop4): checking transaction log (loop4) [ 278.018113][ T8010] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8006] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8019] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8010] <... mount resumed>) = 0 [pid 8019] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8010] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8019] <... futex resumed>) = 1 [pid 8010] <... openat resumed>) = 3 [pid 8004] <... futex resumed>) = 0 [pid 8019] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8010] chdir("./file0" [pid 8004] exit_group(0 [pid 8006] <... futex resumed>) = ? [pid 8019] <... futex resumed>) = ? [pid 8010] <... chdir resumed>) = 0 [pid 8006] +++ exited with 0 +++ [pid 8004] <... exit_group resumed>) = ? [pid 8019] +++ exited with 0 +++ [pid 8010] ioctl(4, LOOP_CLR_FD [pid 8004] +++ exited with 0 +++ [pid 8010] <... ioctl resumed>) = 0 [pid 8010] close(4 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8004, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 8010] <... close resumed>) = 0 [pid 5008] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./141", 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, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8010] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] unlink("./141/binderfs" [pid 8010] <... futex resumed>) = 1 [pid 8009] <... futex resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 8010] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8009] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 278.018325][ T8012] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.028014][ T8008] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 278.053094][ T8015] REISERFS (device loop4): Using r5 hash to sort names [pid 5008] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8009] <... futex resumed>) = 0 [pid 8009] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8010] mkdir("./file1", 000 [pid 8008] <... mount resumed>) = 0 [pid 8010] <... mkdir resumed>) = 0 [pid 8008] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8010] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] <... openat resumed>) = 3 [pid 8015] <... mount resumed>) = 0 [pid 8010] <... futex resumed>) = 1 [pid 8009] <... futex resumed>) = 0 [pid 8008] chdir("./file0" [pid 8015] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8010] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8009] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] <... chdir resumed>) = 0 [pid 8015] <... openat resumed>) = 3 [pid 8010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8009] <... futex resumed>) = 0 [pid 8008] ioctl(4, LOOP_CLR_FD [pid 8015] chdir("./file0" [pid 8010] mkdir("./bus", 000 [pid 8009] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8008] <... ioctl resumed>) = 0 [pid 8015] <... chdir resumed>) = 0 [pid 8010] <... mkdir resumed>) = 0 [pid 8008] close(4 [pid 8015] ioctl(4, LOOP_CLR_FD [pid 8010] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] <... close resumed>) = 0 [pid 8015] <... ioctl resumed>) = 0 [pid 8010] <... futex resumed>) = 1 [pid 8009] <... futex resumed>) = 0 [pid 8008] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8015] close(4 [pid 8010] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8009] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] <... futex resumed>) = 1 [pid 8007] <... futex resumed>) = 0 [pid 8015] <... close resumed>) = 0 [pid 8010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8009] <... futex resumed>) = 0 [pid 8008] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8007] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 278.078269][ T8015] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 278.086529][ T8012] REISERFS (device loop3): checking transaction log (loop3) [ 278.097752][ T8015] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 278.115123][ T8012] REISERFS (device loop3): Using r5 hash to sort names [pid 8015] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8010] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8009] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8007] <... futex resumed>) = 0 [pid 8015] <... futex resumed>) = 1 [pid 8013] <... futex resumed>) = 0 [pid 8008] mkdir("./file1", 000 [pid 8007] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8015] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8013] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] <... mkdir resumed>) = 0 [pid 8015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8013] <... futex resumed>) = 0 [pid 8008] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8015] mkdir("./file1", 000 [pid 8013] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8008] <... futex resumed>) = 1 [pid 8007] <... futex resumed>) = 0 [pid 8015] <... mkdir resumed>) = 0 [pid 8008] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8007] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8015] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8007] <... futex resumed>) = 0 [pid 8015] <... futex resumed>) = 1 [pid 8013] <... futex resumed>) = 0 [pid 8008] mkdir("./bus", 000 [pid 8007] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8015] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8013] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] <... mkdir resumed>) = 0 [pid 8015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8013] <... futex resumed>) = 0 [pid 8008] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8015] mkdir("./bus", 000 [pid 8013] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8008] <... futex resumed>) = 1 [pid 8007] <... futex resumed>) = 0 [pid 8015] <... mkdir resumed>) = 0 [pid 8008] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8007] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8015] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8007] <... futex resumed>) = 0 [pid 8015] <... futex resumed>) = 1 [pid 8013] <... futex resumed>) = 0 [ 278.156702][ T8010] overlayfs: upper fs needs to support d_type. [ 278.162968][ T8010] overlayfs: upper fs does not support tmpfile. [ 278.175932][ T8012] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8008] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8007] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8015] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8013] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8009] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] <... umount2 resumed>) = 0 [pid 8015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8013] <... futex resumed>) = 0 [pid 8009] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8015] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8013] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8009] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] lstat("./141/file0", [pid 8009] <... mmap resumed>) = 0x7f76a8b35000 [pid 8009] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8009] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8021], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8021 [pid 8009] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 278.223824][ T8008] overlayfs: upper fs needs to support d_type. [ 278.236019][ T8015] overlayfs: upper fs needs to support d_type. [ 278.236628][ T8010] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 278.242296][ T8015] overlayfs: upper fs does not support tmpfile. [ 278.251809][ T8010] overlayfs: failed to resolve './file0': -2 [ 278.256367][ T8008] overlayfs: upper fs does not support tmpfile. [pid 8009] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8021 attached [pid 8007] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8021] set_robust_list(0x7f76a8b559e0, 24 [pid 8010] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8007] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8021] <... set_robust_list resumed>) = 0 [pid 8010] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8007] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8021] mkdir(".", 0777 [pid 8010] <... futex resumed>) = 0 [pid 8007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] openat(AT_FDCWD, "./141/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8021] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8010] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8021] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8007] <... mmap resumed>) = 0x7f76a8b35000 [pid 5008] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 8007] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8007] <... mprotect resumed>) = 0 [pid 8007] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] getdents64(4, [pid 8012] <... mount resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, [pid 8007] <... clone resumed>, parent_tid=[8022], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8022 [ 278.275030][ T8012] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 278.283470][ T8015] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 278.286260][ T8008] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 278.308867][ T8008] overlayfs: failed to resolve './file0': -2 [pid 8007] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 8022 attached [pid 8013] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8013] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8013] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8022] set_robust_list(0x7f76a8b559e0, 24 [pid 8013] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8007] <... futex resumed>) = 0 [pid 8008] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] close(4 [pid 8013] <... clone resumed>, parent_tid=[8023], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8023 [pid 8013] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8012] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8013] <... futex resumed>) = 0 [pid 8013] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8012] <... openat resumed>) = 3 [pid 8012] chdir("./file0") = 0 [pid 8012] ioctl(4, LOOP_CLR_FD) = 0 [pid 8012] close(4) = 0 [pid 8012] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8012] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8023 attached [pid 8023] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8022] <... set_robust_list resumed>) = 0 [pid 8007] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8011] <... futex resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 8022] mkdir(".", 0777 [pid 8011] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8022] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8011] <... futex resumed>) = 1 [pid 8008] <... futex resumed>) = 0 [pid 5008] rmdir("./141/file0" [pid 8022] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8011] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8008] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8023] mkdir(".", 0777 [pid 8012] <... futex resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 8023] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8012] mkdir("./file1", 000 [pid 8023] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8012] <... mkdir resumed>) = 0 [pid 5008] getdents64(3, [pid 8012] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8012] <... futex resumed>) = 1 [pid 8011] <... futex resumed>) = 0 [pid 5008] close(3 [ 278.309798][ T8021] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 278.317234][ T8015] overlayfs: failed to resolve './file0': -2 [ 278.357946][ T8022] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8012] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8022] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8021] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8011] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... close resumed>) = 0 [pid 8011] <... futex resumed>) = 1 [pid 5008] rmdir("./141" [pid 8022] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8021] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8011] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... rmdir resumed>) = 0 [pid 8022] <... futex resumed>) = 1 [pid 8021] <... futex resumed>) = 1 [pid 8007] <... futex resumed>) = 0 [pid 5008] mkdir("./142", 0777 [pid 8023] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8022] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8021] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8015] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8012] <... futex resumed>) = 0 [pid 8009] <... futex resumed>) = 0 [pid 8007] exit_group(0 [pid 5008] <... mkdir resumed>) = 0 [pid 8015] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8012] mkdir("./bus", 000 [pid 8009] exit_group(0 [pid 8022] <... futex resumed>) = ? [pid 8008] <... futex resumed>) = ? [pid 8007] <... exit_group resumed>) = ? [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8022] +++ exited with 0 +++ [pid 8021] <... futex resumed>) = ? [pid 8015] <... futex resumed>) = 0 [pid 8012] <... mkdir resumed>) = 0 [pid 8010] <... futex resumed>) = ? [pid 8009] <... exit_group resumed>) = ? [pid 8008] +++ exited with 0 +++ [pid 8021] +++ exited with 0 +++ [pid 8015] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8012] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8010] +++ exited with 0 +++ [pid 8009] +++ exited with 0 +++ [pid 8007] +++ exited with 0 +++ [pid 5008] <... openat resumed>) = 3 [pid 8012] <... futex resumed>) = 1 [pid 8011] <... futex resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 8012] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8011] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8009, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8007, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8011] <... futex resumed>) = 0 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5008] close(3 [pid 8023] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8012] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8011] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... restart_syscall resumed>) = 0 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 8023] <... futex resumed>) = 1 [pid 8013] <... futex resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8023] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8013] exit_group(0 [pid 8023] <... futex resumed>) = ? [pid 8013] <... exit_group resumed>) = ? [pid 8023] +++ exited with 0 +++ [pid 8015] <... futex resumed>) = ? [pid 5010] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8015] +++ exited with 0 +++ [pid 8013] +++ exited with 0 +++ [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8024 [pid 5010] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8013, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5009] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... openat resumed>) = 3 [pid 5012] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] fstat(3, [pid 5009] <... openat resumed>) = 3 ./strace-static-x86_64: Process 8024 attached [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] fstat(3, [pid 5012] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] getdents64(3, [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8024] set_robust_list(0x555556dec5e0, 24 [pid 5012] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] getdents64(3, [pid 8024] <... set_robust_list resumed>) = 0 [pid 5012] fstat(3, [pid 8024] chdir("./142") = 0 [pid 8024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8024] setpgid(0, 0) = 0 [pid 8024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8024] <... openat resumed>) = 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8024] write(3, "1000", 4) = 4 [pid 8024] close(3) = 0 [pid 8024] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8024] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8024] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8024] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] lstat("./142/binderfs", [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 278.361058][ T8023] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 278.404449][ T8012] overlayfs: upper fs needs to support d_type. [ 278.415893][ T8012] overlayfs: upper fs does not support tmpfile. [pid 5012] getdents64(3, [pid 8024] <... clone resumed>, parent_tid=[8025], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8025 [pid 8011] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] lstat("./141/binderfs", [pid 8024] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8011] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] unlink("./142/binderfs" [pid 8024] <... futex resumed>) = 0 [pid 8011] <... futex resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8025 attached [pid 8024] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] lstat("./143/binderfs", [pid 5010] <... unlink resumed>) = 0 [pid 5009] unlink("./141/binderfs" [pid 8025] set_robust_list(0x7f76b0b769e0, 24 [pid 8011] <... mmap resumed>) = 0x7f76a8b35000 [pid 8011] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8011] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8026], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8026 [pid 8011] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8011] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8026 attached [pid 8026] set_robust_list(0x7f76a8b559e0, 24 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... unlink resumed>) = 0 [pid 8025] <... set_robust_list resumed>) = 0 [pid 8026] <... set_robust_list resumed>) = 0 [pid 8025] memfd_create("syzkaller", 0 [pid 5012] unlink("./143/binderfs" [pid 8025] <... memfd_create resumed>) = 3 [pid 5009] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... unlink resumed>) = 0 [pid 8025] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8026] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8026] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8012] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 278.446688][ T8012] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 278.460977][ T8012] overlayfs: failed to resolve './file0': -2 [pid 8012] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8012] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8026] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8026] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8011] <... futex resumed>) = 0 [pid 8011] exit_group(0) = ? [pid 8026] <... futex resumed>) = ? [pid 8026] +++ exited with 0 +++ [pid 8012] <... futex resumed>) = ? [pid 8012] +++ exited with 0 +++ [pid 8011] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8011, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5011] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./142/binderfs") = 0 [ 278.498367][ T8026] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5011] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8025] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./142/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./142/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./142/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./142") = 0 [pid 5010] mkdir("./143", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./143/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5012] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] openat(AT_FDCWD, "./143/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8025] <... write resumed>) = 4194304 [pid 5012] <... openat resumed>) = 4 [pid 8025] munmap(0x7f76a8756000, 4194304 [pid 5012] fstat(4, [pid 8025] <... munmap resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8027 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./143/file0") = 0 [pid 8025] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5012] getdents64(3, [pid 8025] <... openat resumed>) = 4 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3 [pid 8025] ioctl(4, LOOP_SET_FD, 3 [pid 5012] <... close resumed>) = 0 [pid 5012] rmdir("./143") = 0 [pid 5012] mkdir("./144", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8028 ./strace-static-x86_64: Process 8027 attached [pid 8027] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8027] chdir("./143") = 0 [pid 8027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 8027] setpgid(0, 0 [pid 8025] <... ioctl resumed>) = 0 [pid 5009] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8027] <... setpgid resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8025] close(3 [pid 5009] lstat("./141/file0", [pid 8027] <... openat resumed>) = 3 [pid 8025] <... close resumed>) = 0 ./strace-static-x86_64: Process 8028 attached [pid 8027] write(3, "1000", 4 [pid 8025] mkdir("./file0", 0777 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8027] <... write resumed>) = 4 [pid 5009] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8027] close(3 [pid 8025] <... mkdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8028] set_robust_list(0x555556dec5e0, 24 [pid 8027] <... close resumed>) = 0 [pid 8025] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] openat(AT_FDCWD, "./141/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8028] <... set_robust_list resumed>) = 0 [ 278.711475][ T8025] loop0: detected capacity change from 0 to 8192 [pid 8027] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5009] <... openat resumed>) = 4 [pid 8028] chdir("./144" [pid 8027] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... umount2 resumed>) = 0 [pid 5009] fstat(4, [pid 8028] <... chdir resumed>) = 0 [pid 8027] <... futex resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] getdents64(4, [pid 8028] <... prctl resumed>) = 0 [pid 8027] <... mmap resumed>) = 0x7f76b0b56000 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8028] setpgid(0, 0 [pid 8027] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] getdents64(4, [pid 8028] <... setpgid resumed>) = 0 [pid 8027] <... mprotect resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8027] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] close(4 [pid 8028] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = 0 [pid 8028] write(3, "1000", 4 [pid 8027] <... clone resumed>, parent_tid=[8030], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8030 [pid 5009] rmdir("./141/file0" [pid 8028] <... write resumed>) = 4 [pid 8027] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... rmdir resumed>) = 0 [pid 8028] close(3 [pid 8027] <... futex resumed>) = 0 [pid 5009] getdents64(3, [pid 8028] <... close resumed>) = 0 [pid 8027] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8028] symlink("/dev/binderfs", "./binderfs" [pid 5009] close(3 [pid 8028] <... symlink resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 8028] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] rmdir("./141" [pid 8028] <... futex resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 8028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] mkdir("./142", 0777 [pid 8028] <... mmap resumed>) = 0x7f76b0b56000 [pid 5009] <... mkdir resumed>) = 0 [pid 8028] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8028] <... mprotect resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 8028] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8028] <... clone resumed>, parent_tid=[8031], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8031 [pid 5009] close(3 [pid 8028] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... close resumed>) = 0 ./strace-static-x86_64: Process 8030 attached [pid 8028] <... futex resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8030] set_robust_list(0x7f76b0b769e0, 24 [pid 8028] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8030] <... set_robust_list resumed>) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8032 [pid 8030] memfd_create("syzkaller", 0) = 3 [pid 5011] lstat("./142/file0", [pid 8030] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 278.755992][ T8025] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 278.771426][ T8025] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 278.781355][ T8025] REISERFS (device loop0): using ordered data mode [ 278.793710][ T8025] reiserfs: using flush barriers ./strace-static-x86_64: Process 8032 attached [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 8031 attached [pid 8031] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8031] memfd_create("syzkaller", 0) = 3 [pid 8031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8032] set_robust_list(0x555556dec5e0, 24 [pid 5011] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8032] <... set_robust_list resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./142/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8032] chdir("./142" [pid 5011] <... openat resumed>) = 4 [pid 8032] <... chdir resumed>) = 0 [pid 5011] fstat(4, [pid 8032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8032] setpgid(0, 0 [pid 5011] getdents64(4, [pid 8032] <... setpgid resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8032] <... openat resumed>) = 3 [pid 5011] close(4 [pid 8032] write(3, "1000", 4 [pid 5011] <... close resumed>) = 0 [pid 8032] <... write resumed>) = 4 [pid 5011] rmdir("./142/file0" [pid 8032] close(3 [pid 5011] <... rmdir resumed>) = 0 [pid 8032] <... close resumed>) = 0 [pid 8032] symlink("/dev/binderfs", "./binderfs" [pid 5011] getdents64(3, [pid 8032] <... symlink resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3 [pid 8032] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] <... close resumed>) = 0 [pid 8032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] rmdir("./142" [pid 8032] <... mmap resumed>) = 0x7f76b0b56000 [pid 8030] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5011] <... rmdir resumed>) = 0 [pid 8032] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] mkdir("./143", 0777 [pid 8032] <... mprotect resumed>) = 0 [ 278.800426][ T8025] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.832937][ T8025] REISERFS (device loop0): checking transaction log (loop0) [ 278.845035][ T8025] REISERFS (device loop0): Using r5 hash to sort names [pid 5011] <... mkdir resumed>) = 0 [pid 8032] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 8032] <... clone resumed>, parent_tid=[8033], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8033 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8032] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] close(3./strace-static-x86_64: Process 8033 attached [pid 8032] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8031] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8025] <... mount resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 8033] set_robust_list(0x7f76b0b769e0, 24 [pid 8025] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8033] <... set_robust_list resumed>) = 0 [pid 8025] <... openat resumed>) = 3 [pid 8033] memfd_create("syzkaller", 0 [pid 8025] chdir("./file0" [pid 8033] <... memfd_create resumed>) = 3 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8034 [pid 8033] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8025] <... chdir resumed>) = 0 [pid 8025] ioctl(4, LOOP_CLR_FD [pid 8033] <... mmap resumed>) = 0x7f76a8756000 [pid 8025] <... ioctl resumed>) = 0 [pid 8025] close(4./strace-static-x86_64: Process 8034 attached [pid 8034] set_robust_list(0x555556dec5e0, 24 [pid 8025] <... close resumed>) = 0 [pid 8025] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8024] <... futex resumed>) = 0 [pid 8025] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8024] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8024] <... futex resumed>) = 0 [pid 8025] mkdir("./file1", 000 [ 278.856465][ T8025] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 278.871627][ T8025] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8024] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8025] <... mkdir resumed>) = 0 [pid 8025] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8024] <... futex resumed>) = 0 [pid 8025] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8024] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8024] <... futex resumed>) = 0 [pid 8025] mkdir("./bus", 000 [pid 8024] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8025] <... mkdir resumed>) = 0 [pid 8025] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8024] <... futex resumed>) = 0 [pid 8025] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8024] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8024] <... futex resumed>) = 0 [pid 8025] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8024] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8034] <... set_robust_list resumed>) = 0 [pid 8034] chdir("./143") = 0 [pid 8034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8034] setpgid(0, 0) = 0 [pid 8034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8034] write(3, "1000", 4) = 4 [pid 8034] close(3) = 0 [pid 8034] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8034] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8034] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8034] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8035], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8035 [pid 8034] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8034] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8033] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8024] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 8035 attached [pid 8024] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8035] set_robust_list(0x7f76b0b769e0, 24 [pid 8024] <... futex resumed>) = 0 [pid 8035] <... set_robust_list resumed>) = 0 [pid 8024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8035] memfd_create("syzkaller", 0 [pid 8024] <... mmap resumed>) = 0x7f76a8b35000 [pid 8035] <... memfd_create resumed>) = 3 [pid 8024] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8024] <... mprotect resumed>) = 0 [ 278.936070][ T8025] overlayfs: upper fs needs to support d_type. [ 278.942912][ T8025] overlayfs: upper fs does not support tmpfile. [ 278.960639][ T8025] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8024] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8036], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8036 [pid 8025] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8025] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8025] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8024] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8030] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 8036 attached [pid 8031] <... write resumed>) = 4194304 [pid 8024] <... futex resumed>) = 0 [pid 8036] set_robust_list(0x7f76a8b559e0, 24 [pid 8024] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8036] <... set_robust_list resumed>) = 0 [pid 8036] mkdir(".", 0777 [pid 8030] munmap(0x7f76a8756000, 4194304 [pid 8036] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8036] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8030] <... munmap resumed>) = 0 [pid 8030] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 278.998138][ T8025] overlayfs: failed to resolve './file0': -2 [pid 8030] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8030] close(3) = 0 [pid 8030] mkdir("./file0", 0777) = 0 [pid 8030] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8031] munmap(0x7f76a8756000, 4194304) = 0 [pid 8031] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8031] ioctl(4, LOOP_SET_FD, 3 [ 279.051832][ T8030] loop2: detected capacity change from 0 to 8192 [ 279.052372][ T8036] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 279.086732][ T8031] loop4: detected capacity change from 0 to 8192 [pid 8035] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8031] <... ioctl resumed>) = 0 [pid 8036] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8031] close(3 [pid 8036] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8031] <... close resumed>) = 0 [pid 8036] <... futex resumed>) = 1 [pid 8031] mkdir("./file0", 0777 [pid 8024] <... futex resumed>) = 0 [pid 8036] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8031] <... mkdir resumed>) = 0 [pid 8024] exit_group(0 [pid 8036] <... futex resumed>) = ? [pid 8031] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8025] <... futex resumed>) = ? [pid 8024] <... exit_group resumed>) = ? [pid 8036] +++ exited with 0 +++ [pid 8025] +++ exited with 0 +++ [pid 8033] <... write resumed>) = 4194304 [pid 8024] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8024, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 8033] munmap(0x7f76a8756000, 4194304 [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, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./142/binderfs") = 0 [ 279.093966][ T8030] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 279.119844][ T8031] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 279.127087][ T8030] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 279.133898][ T8031] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5008] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8033] <... munmap resumed>) = 0 [pid 8033] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8033] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8033] close(3) = 0 [ 279.155929][ T8031] REISERFS (device loop4): using ordered data mode [ 279.162486][ T8031] reiserfs: using flush barriers [ 279.169449][ T8033] loop1: detected capacity change from 0 to 8192 [ 279.176332][ T8030] REISERFS (device loop2): using ordered data mode [ 279.183111][ T8030] reiserfs: using flush barriers [ 279.190323][ T8031] 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 8033] mkdir("./file0", 0777 [pid 8035] <... write resumed>) = 4194304 [pid 8033] <... mkdir resumed>) = 0 [pid 8035] munmap(0x7f76a8756000, 4194304 [pid 8033] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8035] <... munmap resumed>) = 0 [pid 8035] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 279.206824][ T8030] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 279.211417][ T8031] REISERFS (device loop4): checking transaction log (loop4) [ 279.227798][ T8030] REISERFS (device loop2): checking transaction log (loop2) [ 279.243189][ T8030] REISERFS (device loop2): Using r5 hash to sort names [ 279.247137][ T8035] loop3: detected capacity change from 0 to 8192 [pid 8035] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8035] close(3) = 0 [pid 8035] mkdir("./file0", 0777) = 0 [ 279.250950][ T8030] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 279.268299][ T8031] REISERFS (device loop4): Using r5 hash to sort names [ 279.270019][ T8030] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 279.285684][ T8033] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8035] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8030] <... mount resumed>) = 0 [ 279.299924][ T8033] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 279.301867][ T8031] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 279.310640][ T8033] REISERFS (device loop1): using ordered data mode [ 279.329380][ T8033] reiserfs: using flush barriers [ 279.330125][ T8035] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 279.336777][ T8031] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8030] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8031] <... mount resumed>) = 0 [pid 8030] chdir("./file0" [pid 8031] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8030] <... chdir resumed>) = 0 [pid 8031] <... openat resumed>) = 3 [pid 8030] ioctl(4, LOOP_CLR_FD [pid 5008] <... umount2 resumed>) = 0 [pid 8031] chdir("./file0" [pid 8030] <... ioctl resumed>) = 0 [pid 5008] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8031] <... chdir resumed>) = 0 [pid 8030] close(4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8031] ioctl(4, LOOP_CLR_FD [pid 8030] <... close resumed>) = 0 [pid 5008] lstat("./142/file0", [pid 8031] <... ioctl resumed>) = 0 [pid 8030] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8031] close(4 [pid 8030] <... futex resumed>) = 1 [pid 8027] <... futex resumed>) = 0 [pid 5008] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8031] <... close resumed>) = 0 [pid 8030] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8031] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./142/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8031] <... futex resumed>) = 1 [pid 8028] <... futex resumed>) = 0 [pid 8027] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8031] mkdir("./file1", 000 [pid 8030] <... futex resumed>) = 0 [pid 8028] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8027] <... futex resumed>) = 1 [pid 5008] <... openat resumed>) = 4 [pid 8031] <... mkdir resumed>) = 0 [pid 8030] mkdir("./file1", 000 [pid 8028] <... futex resumed>) = 0 [pid 8027] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8031] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8030] <... mkdir resumed>) = 0 [ 279.348070][ T8033] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 279.383122][ T8035] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 279.393632][ T8035] REISERFS (device loop3): using ordered data mode [ 279.401418][ T8035] reiserfs: using flush barriers [pid 8028] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] fstat(4, [pid 8028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8028] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8028] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8031] <... futex resumed>) = 1 [pid 8030] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8028] <... futex resumed>) = 0 [pid 8031] mkdir("./bus", 000 [pid 8030] <... futex resumed>) = 1 [pid 8028] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=35000000} [pid 8027] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8031] <... mkdir resumed>) = 0 [pid 8030] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8027] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8031] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8027] <... futex resumed>) = 0 [pid 5008] getdents64(4, [pid 8027] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8031] <... futex resumed>) = 1 [pid 8030] mkdir("./bus", 000 [pid 8028] <... futex resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8031] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8030] <... mkdir resumed>) = 0 [pid 8028] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(4, [pid 8028] <... futex resumed>) = 0 [pid 8028] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8030] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [ 279.410194][ T8035] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 279.430596][ T8035] REISERFS (device loop3): checking transaction log (loop3) [ 279.437099][ T8033] REISERFS (device loop1): checking transaction log (loop1) [ 279.446580][ T8035] REISERFS (device loop3): Using r5 hash to sort names [pid 5008] close(4 [pid 8030] <... futex resumed>) = 1 [pid 8030] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8027] <... futex resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 8027] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8027] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] rmdir("./142/file0") = 0 [pid 8030] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [ 279.457328][ T8031] overlayfs: upper fs needs to support d_type. [ 279.463728][ T8031] overlayfs: upper fs does not support tmpfile. [ 279.471071][ T8035] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 279.487657][ T8030] overlayfs: upper fs needs to support d_type. [ 279.493910][ T8030] overlayfs: upper fs does not support tmpfile. [ 279.496091][ T8031] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8028] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] close(3 [pid 8027] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8027] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5008] <... close resumed>) = 0 [pid 8027] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] rmdir("./142" [pid 8027] <... futex resumed>) = 0 [pid 8027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 5008] <... rmdir resumed>) = 0 [pid 8027] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5008] mkdir("./143", 0777 [pid 8027] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8041], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8041 [pid 8027] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8027] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8028] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 8041 attached [pid 5008] <... mkdir resumed>) = 0 [pid 8041] set_robust_list(0x7f76a8b559e0, 24 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8041] <... set_robust_list resumed>) = 0 [pid 8035] <... mount resumed>) = 0 [pid 8031] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8028] <... mmap resumed>) = 0x7f76a8b35000 [ 279.502588][ T8033] REISERFS (device loop1): Using r5 hash to sort names [ 279.507775][ T8035] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 279.527446][ T8031] overlayfs: failed to resolve './file0': -2 [ 279.538219][ T8030] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 279.546213][ T8033] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8041] mkdir(".", 0777 [pid 8035] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8031] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8028] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... openat resumed>) = 3 [pid 8028] <... mprotect resumed>) = 0 [pid 8028] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8042], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8042 [pid 8028] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8028] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8042 attached [pid 8042] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8042] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8042] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8041] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8035] <... openat resumed>) = 3 [pid 8031] <... futex resumed>) = 0 [pid 8031] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] ioctl(3, LOOP_CLR_FD [pid 8041] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 279.547668][ T8030] overlayfs: failed to resolve './file0': -2 [pid 8035] chdir("./file0") = 0 [pid 8030] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8035] ioctl(4, LOOP_CLR_FD [pid 8030] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] close(3 [pid 8035] <... ioctl resumed>) = 0 [pid 8033] <... mount resumed>) = 0 [pid 8030] <... futex resumed>) = 0 [pid 8041] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8035] close(4 [pid 8033] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8030] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... close resumed>) = 0 [pid 8035] <... close resumed>) = 0 [pid 8033] <... openat resumed>) = 3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8035] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8033] chdir("./file0" [pid 8035] <... futex resumed>) = 1 [pid 8034] <... futex resumed>) = 0 [pid 8033] <... chdir resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8043 [pid 8041] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8035] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8034] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8033] ioctl(4, LOOP_CLR_FD [pid 8041] <... futex resumed>) = 1 [pid 8035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8034] <... futex resumed>) = 0 [pid 8033] <... ioctl resumed>) = 0 [pid 8027] <... futex resumed>) = 0 [pid 8041] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8035] mkdir("./file1", 000 [pid 8034] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8033] close(4 [ 279.582938][ T8041] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 279.588914][ T8033] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 279.618861][ T8042] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8027] exit_group(0 [pid 8041] <... futex resumed>) = ? [pid 8035] <... mkdir resumed>) = 0 [pid 8033] <... close resumed>) = 0 [pid 8030] <... futex resumed>) = ? [pid 8027] <... exit_group resumed>) = ? [pid 8041] +++ exited with 0 +++ [pid 8035] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8033] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8030] +++ exited with 0 +++ [pid 8035] <... futex resumed>) = 1 [pid 8033] <... futex resumed>) = 1 [pid 8032] <... futex resumed>) = 0 [pid 8035] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8033] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8032] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8032] <... futex resumed>) = 0 [pid 8033] mkdir("./file1", 000 [pid 8032] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8033] <... mkdir resumed>) = 0 [pid 8033] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8032] <... futex resumed>) = 0 [pid 8033] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8032] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8032] <... futex resumed>) = 0 [pid 8033] mkdir("./bus", 000 [pid 8032] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8033] <... mkdir resumed>) = 0 [pid 8033] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8032] <... futex resumed>) = 0 [pid 8033] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8032] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8032] <... futex resumed>) = 0 [pid 8033] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8032] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8043 attached [pid 8034] <... futex resumed>) = 0 [pid 8027] +++ exited with 0 +++ [pid 8043] set_robust_list(0x555556dec5e0, 24 [pid 8034] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8027, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 8043] <... set_robust_list resumed>) = 0 [pid 8035] <... futex resumed>) = 0 [pid 8034] <... futex resumed>) = 1 [pid 8035] mkdir("./bus", 000 [pid 8043] chdir("./143" [pid 8035] <... mkdir resumed>) = 0 [pid 8034] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8035] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8043] <... chdir resumed>) = 0 [pid 8043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8035] <... futex resumed>) = 0 [pid 8034] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8043] <... prctl resumed>) = 0 [pid 8035] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8034] <... futex resumed>) = 0 [pid 8042] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5010] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8043] setpgid(0, 0 [pid 8042] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8034] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8043] <... setpgid resumed>) = 0 [pid 8042] <... futex resumed>) = 1 [pid 8028] <... futex resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 279.630842][ T8033] overlayfs: upper fs needs to support d_type. [ 279.652797][ T8033] overlayfs: upper fs does not support tmpfile. [ 279.662110][ T8035] overlayfs: upper fs needs to support d_type. [ 279.670469][ T8033] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8042] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8028] exit_group(0 [pid 5010] <... openat resumed>) = 3 [pid 8043] <... openat resumed>) = 3 [pid 8042] <... futex resumed>) = ? [pid 8028] <... exit_group resumed>) = ? [pid 8043] write(3, "1000", 4 [pid 8042] +++ exited with 0 +++ [pid 8043] <... write resumed>) = 4 [pid 8043] close(3) = 0 [pid 8043] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8043] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8043] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8043] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8044], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8044 [pid 8043] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8043] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8033] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8032] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8031] <... futex resumed>) = ? [pid 5010] fstat(3, [pid 8033] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8032] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8033] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8033] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8032] <... futex resumed>) = 0 [pid 8031] +++ exited with 0 +++ [pid 8028] +++ exited with 0 +++ [ 279.686731][ T8035] overlayfs: upper fs does not support tmpfile. [ 279.687569][ T8033] overlayfs: failed to resolve './file0': -2 [ 279.693875][ T8035] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8034] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8032] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8028, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5010] getdents64(3, [pid 8034] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8044 attached [pid 8034] <... mmap resumed>) = 0x7f76a8b35000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8044] set_robust_list(0x7f76b0b769e0, 24 [pid 8034] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5012] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8044] <... set_robust_list resumed>) = 0 [pid 8034] <... mprotect resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 8044] memfd_create("syzkaller", 0 [pid 8034] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] fstat(3, [pid 8044] <... memfd_create resumed>) = 3 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8044] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8034] <... clone resumed>, parent_tid=[8045], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8045 [pid 5012] getdents64(3, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8044] <... mmap resumed>) = 0x7f76a8756000 [pid 8034] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] lstat("./143/binderfs", [pid 8034] <... futex resumed>) = 0 [pid 5012] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8034] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 8045 attached [pid 5012] lstat("./144/binderfs", [pid 5010] unlink("./143/binderfs" [pid 8045] set_robust_list(0x7f76a8b559e0, 24 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8045] <... set_robust_list resumed>) = 0 [pid 5012] unlink("./144/binderfs" [pid 5010] <... unlink resumed>) = 0 [pid 8045] mkdir(".", 0777 [pid 5012] <... unlink resumed>) = 0 [pid 8045] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8035] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8045] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8035] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 279.731251][ T8033] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 279.748931][ T8035] overlayfs: failed to resolve './file0': -2 [pid 8035] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8033] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8045] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8045] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8033] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8032] <... futex resumed>) = 0 [pid 8033] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8032] exit_group(0 [pid 8033] <... futex resumed>) = ? [pid 8032] <... exit_group resumed>) = ? [pid 8033] +++ exited with 0 +++ [pid 8032] +++ exited with 0 +++ [pid 8034] <... futex resumed>) = 0 [pid 8034] exit_group(0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8032, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 8035] <... futex resumed>) = ? [pid 8034] <... exit_group resumed>) = ? [pid 5009] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8035] +++ exited with 0 +++ [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./142/binderfs", [pid 8045] <... futex resumed>) = ? [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./142/binderfs" [pid 8045] +++ exited with 0 +++ [pid 8034] +++ exited with 0 +++ [pid 5009] <... unlink resumed>) = 0 [pid 5009] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8034, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5011] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5011] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./143/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./143/binderfs") = 0 [ 279.787497][ T8045] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5011] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8044] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] <... umount2 resumed>) = 0 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./143/file0", [pid 5012] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./144/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./144/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./144/file0" [pid 5010] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... rmdir resumed>) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./144") = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] mkdir("./145", 0777 [pid 5010] openat(AT_FDCWD, "./143/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5010] <... openat resumed>) = 4 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] close(3 [pid 5010] getdents64(4, [pid 5012] <... close resumed>) = 0 [pid 5011] <... umount2 resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... umount2 resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] getdents64(4, [pid 5009] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8046 [pid 5010] rmdir("./143/file0" [pid 5009] lstat("./142/file0", [pid 5011] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 8046 attached [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] getdents64(3, [pid 5009] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] lstat("./143/file0", [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8046] set_robust_list(0x555556dec5e0, 24 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] close(3 [pid 8046] <... set_robust_list resumed>) = 0 [pid 5011] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8044] <... write resumed>) = 4194304 [pid 5010] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./142/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8046] chdir("./145" [pid 8044] munmap(0x7f76a8756000, 4194304 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] rmdir("./143" [pid 5009] <... openat resumed>) = 4 [pid 8046] <... chdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./143/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... rmdir resumed>) = 0 [pid 5009] fstat(4, [pid 8046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] <... openat resumed>) = 4 [pid 5010] mkdir("./144", 0777 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8046] <... prctl resumed>) = 0 [pid 8044] <... munmap resumed>) = 0 [pid 5011] fstat(4, [pid 5010] <... mkdir resumed>) = 0 [pid 5009] getdents64(4, [pid 8046] setpgid(0, 0 [pid 8044] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8046] <... setpgid resumed>) = 0 [pid 8044] <... openat resumed>) = 4 [pid 5011] getdents64(4, [pid 5010] <... openat resumed>) = 3 [pid 5009] getdents64(4, [pid 8046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8046] <... openat resumed>) = 3 [pid 8044] ioctl(4, LOOP_SET_FD, 3 [pid 5011] getdents64(4, [pid 5010] close(3 [pid 5009] close(4 [pid 8046] write(3, "1000", 4 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 8046] <... write resumed>) = 4 [pid 5011] close(4 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] rmdir("./142/file0" [pid 8046] close(3 [pid 8044] <... ioctl resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8047 [pid 5009] <... rmdir resumed>) = 0 [pid 8046] <... close resumed>) = 0 [pid 5011] rmdir("./143/file0" [pid 8044] close(3./strace-static-x86_64: Process 8047 attached [pid 8046] symlink("/dev/binderfs", "./binderfs" [pid 8044] <... close resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5009] getdents64(3, [pid 8047] set_robust_list(0x555556dec5e0, 24 [pid 8046] <... symlink resumed>) = 0 [pid 8044] mkdir("./file0", 0777 [pid 5011] getdents64(3, [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8047] <... set_robust_list resumed>) = 0 [pid 8046] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8044] <... mkdir resumed>) = 0 [pid 8046] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3 [pid 8044] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8047] chdir("./144" [pid 8046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] close(3 [pid 5009] <... close resumed>) = 0 [pid 8047] <... chdir resumed>) = 0 [pid 8047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8046] <... mmap resumed>) = 0x7f76b0b56000 [pid 8047] <... prctl resumed>) = 0 [pid 8046] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] <... close resumed>) = 0 [pid 5009] rmdir("./142" [pid 8047] setpgid(0, 0) = 0 [pid 8046] <... mprotect resumed>) = 0 [pid 8047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5011] rmdir("./143" [pid 5009] <... rmdir resumed>) = 0 [pid 8046] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8047] write(3, "1000", 4) = 4 [pid 5011] <... rmdir resumed>) = 0 [pid 5009] mkdir("./143", 0777 [pid 8047] close(3 [pid 5011] mkdir("./144", 0777 [pid 8047] <... close resumed>) = 0 [pid 8047] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 8047] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8046] <... clone resumed>, parent_tid=[8049], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8049 [pid 5011] <... mkdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8047] <... futex resumed>) = 0 [pid 8046] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8046] <... futex resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5009] <... openat resumed>) = 3 [pid 8047] <... mmap resumed>) = 0x7f76b0b56000 [pid 8046] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8047] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] <... openat resumed>) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 8049 attached [pid 8047] <... mprotect resumed>) = 0 [pid 8049] set_robust_list(0x7f76b0b769e0, 24 [pid 8047] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8049] <... set_robust_list resumed>) = 0 [pid 8049] memfd_create("syzkaller", 0 [pid 8047] <... clone resumed>, parent_tid=[8050], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8050 [pid 8049] <... memfd_create resumed>) = 3 [pid 8047] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8047] <... futex resumed>) = 0 [pid 8049] <... mmap resumed>) = 0x7f76a8756000 [pid 8047] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 280.039486][ T8044] loop0: detected capacity change from 0 to 8192 [ 280.071908][ T8044] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] close(3./strace-static-x86_64: Process 8050 attached [pid 8050] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8050] memfd_create("syzkaller", 0) = 3 [pid 8050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5011] close(3 [pid 5009] <... close resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8051 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8052 ./strace-static-x86_64: Process 8051 attached [ 280.086506][ T8044] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 280.096874][ T8044] REISERFS (device loop0): using ordered data mode [ 280.103442][ T8044] reiserfs: using flush barriers [ 280.116552][ T8044] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8051] set_robust_list(0x555556dec5e0, 24./strace-static-x86_64: Process 8052 attached ) = 0 [pid 8052] set_robust_list(0x555556dec5e0, 24 [pid 8051] chdir("./143" [pid 8052] <... set_robust_list resumed>) = 0 [pid 8051] <... chdir resumed>) = 0 [pid 8052] chdir("./144" [pid 8051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8052] <... chdir resumed>) = 0 [pid 8051] <... prctl resumed>) = 0 [pid 8052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8051] setpgid(0, 0 [pid 8052] <... prctl resumed>) = 0 [pid 8051] <... setpgid resumed>) = 0 [pid 8052] setpgid(0, 0 [pid 8051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8052] <... setpgid resumed>) = 0 [pid 8051] <... openat resumed>) = 3 [pid 8052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8051] write(3, "1000", 4 [pid 8052] <... openat resumed>) = 3 [pid 8051] <... write resumed>) = 4 [pid 8052] write(3, "1000", 4 [pid 8051] close(3 [pid 8052] <... write resumed>) = 4 [pid 8051] <... close resumed>) = 0 [pid 8052] close(3 [pid 8051] symlink("/dev/binderfs", "./binderfs" [pid 8052] <... close resumed>) = 0 [pid 8051] <... symlink resumed>) = 0 [pid 8052] symlink("/dev/binderfs", "./binderfs" [pid 8051] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8052] <... symlink resumed>) = 0 [pid 8051] <... futex resumed>) = 0 [pid 8052] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8052] <... futex resumed>) = 0 [pid 8051] <... mmap resumed>) = 0x7f76b0b56000 [pid 8052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8051] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8044] <... mount resumed>) = 0 [pid 8052] <... mmap resumed>) = 0x7f76b0b56000 [pid 8051] <... mprotect resumed>) = 0 [pid 8044] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8052] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8051] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8049] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8044] <... openat resumed>) = 3 ./strace-static-x86_64: Process 8053 attached [pid 8052] <... mprotect resumed>) = 0 [pid 8050] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8053] set_robust_list(0x7f76b0b769e0, 24 [pid 8052] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8051] <... clone resumed>, parent_tid=[8053], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8053 [pid 8044] chdir("./file0" [pid 8053] <... set_robust_list resumed>) = 0 [pid 8051] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8044] <... chdir resumed>) = 0 [pid 8053] memfd_create("syzkaller", 0 [pid 8052] <... clone resumed>, parent_tid=[8054], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8054 [pid 8051] <... futex resumed>) = 0 [pid 8053] <... memfd_create resumed>) = 3 [pid 8052] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8051] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8044] ioctl(4, LOOP_CLR_FD [pid 8053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8052] <... futex resumed>) = 0 [pid 8053] <... mmap resumed>) = 0x7f76a8756000 [pid 8052] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8044] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 8054 attached [pid 8054] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8044] close(4 [pid 8054] memfd_create("syzkaller", 0) = 3 [ 280.133835][ T8044] REISERFS (device loop0): checking transaction log (loop0) [ 280.144719][ T8044] REISERFS (device loop0): Using r5 hash to sort names [ 280.153107][ T8044] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 280.166786][ T8044] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8054] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8044] <... close resumed>) = 0 [pid 8044] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8043] <... futex resumed>) = 0 [pid 8043] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8043] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8044] mkdir("./file1", 000) = 0 [pid 8044] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8043] <... futex resumed>) = 0 [pid 8044] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8043] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8043] <... futex resumed>) = 0 [pid 8044] mkdir("./bus", 000 [pid 8043] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8044] <... mkdir resumed>) = 0 [pid 8044] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8043] <... futex resumed>) = 0 [pid 8044] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8043] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8043] <... futex resumed>) = 0 [pid 8044] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8043] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8049] <... write resumed>) = 4194304 [pid 8049] munmap(0x7f76a8756000, 4194304 [pid 8043] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8043] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8043] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8043] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8049] <... munmap resumed>) = 0 [pid 8044] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8043] <... clone resumed>, parent_tid=[8055], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8055 [pid 8043] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8043] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8055 attached [pid 8055] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8049] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8044] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] mkdir(".", 0777 [pid 8049] <... openat resumed>) = 4 [pid 8044] <... futex resumed>) = 0 [pid 8055] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8053] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8049] ioctl(4, LOOP_SET_FD, 3 [pid 8044] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 280.252092][ T8044] overlayfs: upper fs needs to support d_type. [ 280.261426][ T8044] overlayfs: upper fs does not support tmpfile. [ 280.276297][ T8044] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 280.284775][ T8044] overlayfs: failed to resolve './file0': -2 [pid 8055] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8049] <... ioctl resumed>) = 0 [pid 8054] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8049] close(3) = 0 [pid 8050] <... write resumed>) = 4194304 [pid 8049] mkdir("./file0", 0777 [pid 8050] munmap(0x7f76a8756000, 4194304 [pid 8049] <... mkdir resumed>) = 0 [pid 8049] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8055] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8055] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8043] <... futex resumed>) = 0 [pid 8043] exit_group(0) = ? [pid 8044] <... futex resumed>) = ? [pid 8044] +++ exited with 0 +++ [pid 8055] <... futex resumed>) = ? [pid 8050] <... munmap resumed>) = 0 [ 280.327453][ T8049] loop4: detected capacity change from 0 to 8192 [ 280.341560][ T8055] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8050] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8055] +++ exited with 0 +++ [pid 8050] ioctl(4, LOOP_SET_FD, 3 [pid 8043] +++ exited with 0 +++ [pid 8050] <... ioctl resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8043, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8050] close(3 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 8050] <... close resumed>) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 8050] mkdir("./file0", 0777 [pid 8053] <... write resumed>) = 4194304 [pid 8050] <... mkdir resumed>) = 0 [pid 8053] munmap(0x7f76a8756000, 4194304 [pid 8050] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5008] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8053] <... munmap resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8053] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5008] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8053] <... openat resumed>) = 4 [pid 5008] <... openat resumed>) = 3 [pid 8053] ioctl(4, LOOP_SET_FD, 3 [ 280.391581][ T8049] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 280.395070][ T8050] loop2: detected capacity change from 0 to 8192 [ 280.421711][ T8049] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 280.433747][ T8049] REISERFS (device loop4): using ordered data mode [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8053] <... ioctl resumed>) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8054] <... write resumed>) = 4194304 [pid 8053] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8054] munmap(0x7f76a8756000, 4194304 [pid 8053] <... close resumed>) = 0 [pid 8053] mkdir("./file0", 0777) = 0 [pid 5008] lstat("./143/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./143/binderfs") = 0 [ 280.442864][ T8053] loop1: detected capacity change from 0 to 8192 [ 280.444084][ T8049] reiserfs: using flush barriers [ 280.459345][ T8050] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 280.461933][ T8049] 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("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8053] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8054] <... munmap resumed>) = 0 [pid 8054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8054] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8054] close(3) = 0 [pid 8054] mkdir("./file0", 0777) = 0 [ 280.478858][ T8050] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 280.490587][ T8049] REISERFS (device loop4): checking transaction log (loop4) [ 280.502556][ T8054] loop3: detected capacity change from 0 to 8192 [ 280.509039][ T8049] REISERFS (device loop4): Using r5 hash to sort names [ 280.517464][ T8050] REISERFS (device loop2): using ordered data mode [ 280.521153][ T8049] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 280.527979][ T8050] reiserfs: using flush barriers [ 280.540276][ T8053] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 280.545743][ T8049] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 280.565699][ T8054] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8054] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8049] <... mount resumed>) = 0 [pid 8049] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8049] chdir("./file0") = 0 [pid 8049] ioctl(4, LOOP_CLR_FD) = 0 [pid 8049] close(4) = 0 [pid 8049] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8046] <... futex resumed>) = 0 [pid 8046] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8046] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8049] <... futex resumed>) = 1 [pid 8049] mkdir("./file1", 000) = 0 [pid 8049] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8046] <... futex resumed>) = 0 [pid 8046] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8046] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8049] <... futex resumed>) = 1 [pid 8049] mkdir("./bus", 000) = 0 [pid 8049] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8046] <... futex resumed>) = 0 [pid 8046] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8046] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8049] <... futex resumed>) = 1 [ 280.565974][ T8050] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 280.599125][ T8054] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 280.628147][ T8053] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8049] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8046] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8046] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8046] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8046] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8060], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8060 [pid 8046] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8046] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8060 attached [pid 8060] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8060] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8060] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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 [ 280.639127][ T8054] REISERFS (device loop3): using ordered data mode [ 280.639584][ T8049] overlayfs: upper fs needs to support d_type. [ 280.653668][ T8049] overlayfs: upper fs does not support tmpfile. [ 280.665178][ T8054] reiserfs: using flush barriers [ 280.667990][ T8053] REISERFS (device loop1): using ordered data mode [ 280.684594][ T8050] REISERFS (device loop2): checking transaction log (loop2) [pid 5008] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 280.698157][ T8049] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 280.699712][ T8053] reiserfs: using flush barriers [ 280.706346][ T8060] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 280.710651][ T8054] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 280.725633][ T8050] REISERFS (device loop2): Using r5 hash to sort names [pid 8060] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./143/file0", [pid 8060] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 280.740620][ T8054] REISERFS (device loop3): checking transaction log (loop3) [ 280.749452][ T8053] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 280.755059][ T8050] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 280.772262][ T8049] overlayfs: failed to resolve './file0': -2 [ 280.783308][ T8050] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8060] <... futex resumed>) = 1 [pid 8050] <... mount resumed>) = 0 [pid 8046] <... futex resumed>) = 0 [pid 5008] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8060] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8050] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8050] <... openat resumed>) = 3 [pid 8049] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] openat(AT_FDCWD, "./143/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8049] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8049] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8046] exit_group(0 [pid 8049] <... futex resumed>) = ? [pid 8046] <... exit_group resumed>) = ? [pid 8049] +++ exited with 0 +++ [pid 8050] chdir("./file0" [pid 8060] <... futex resumed>) = ? [pid 5008] <... openat resumed>) = 4 [ 280.791475][ T8053] REISERFS (device loop1): checking transaction log (loop1) [ 280.800231][ T8054] REISERFS (device loop3): Using r5 hash to sort names [ 280.807941][ T8053] REISERFS (device loop1): Using r5 hash to sort names [ 280.813279][ T8054] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 280.833274][ T8054] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8060] +++ exited with 0 +++ [pid 8054] <... mount resumed>) = 0 [pid 8050] <... chdir resumed>) = 0 [pid 8046] +++ exited with 0 +++ [pid 5008] fstat(4, [pid 8050] ioctl(4, LOOP_CLR_FD [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8046, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8050] <... ioctl resumed>) = 0 [pid 5008] getdents64(4, [pid 8050] close(4 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8050] <... close resumed>) = 0 [pid 5012] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(4, [pid 8050] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8050] <... futex resumed>) = 1 [pid 5012] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8050] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... openat resumed>) = 3 [pid 5008] close(4 [pid 8047] <... futex resumed>) = 0 [pid 5012] fstat(3, [pid 5008] <... close resumed>) = 0 [pid 8054] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8047] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] rmdir("./143/file0" [pid 8054] <... openat resumed>) = 3 [pid 8050] <... futex resumed>) = 0 [pid 8047] <... futex resumed>) = 1 [pid 5012] getdents64(3, [pid 5008] <... rmdir resumed>) = 0 [pid 8054] chdir("./file0" [pid 8050] mkdir("./file1", 000 [pid 8047] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] getdents64(3, [pid 8054] <... chdir resumed>) = 0 [pid 8050] <... mkdir resumed>) = 0 [pid 5012] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8054] ioctl(4, LOOP_CLR_FD [pid 8050] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] close(3 [pid 8054] <... ioctl resumed>) = 0 [pid 8050] <... futex resumed>) = 1 [pid 8047] <... futex resumed>) = 0 [pid 5012] lstat("./145/binderfs", [pid 5008] <... close resumed>) = 0 [pid 8054] close(4 [pid 8050] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8047] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] rmdir("./143" [pid 8054] <... close resumed>) = 0 [pid 8050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8047] <... futex resumed>) = 0 [pid 5012] unlink("./145/binderfs" [pid 5008] <... rmdir resumed>) = 0 [pid 8054] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8050] mkdir("./bus", 000 [pid 8047] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... unlink resumed>) = 0 [pid 5008] mkdir("./144", 0777 [pid 8054] <... futex resumed>) = 1 [pid 8052] <... futex resumed>) = 0 [pid 8050] <... mkdir resumed>) = 0 [pid 5012] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... mkdir resumed>) = 0 [pid 8054] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8052] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8050] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8053] <... mount resumed>) = 0 [pid 8052] <... futex resumed>) = 0 [pid 8050] <... futex resumed>) = 0 [pid 8047] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8054] mkdir("./file1", 000 [pid 8053] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8052] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8050] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8047] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 8054] <... mkdir resumed>) = 0 [pid 8053] <... openat resumed>) = 3 [pid 8047] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8054] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8053] chdir("./file0" [pid 5008] ioctl(3, LOOP_CLR_FD [pid 8054] <... futex resumed>) = 1 [pid 8053] <... chdir resumed>) = 0 [pid 8052] <... futex resumed>) = 0 [ 280.843997][ T8053] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 280.884058][ T8053] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8054] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8053] ioctl(4, LOOP_CLR_FD [pid 8052] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8053] <... ioctl resumed>) = 0 [pid 8052] <... futex resumed>) = 0 [pid 8054] mkdir("./bus", 000 [pid 8053] close(4 [pid 8052] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8054] <... mkdir resumed>) = 0 [pid 8053] <... close resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8054] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8053] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] close(3 [pid 8054] <... futex resumed>) = 1 [pid 8053] <... futex resumed>) = 1 [pid 8052] <... futex resumed>) = 0 [pid 8051] <... futex resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 8054] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8053] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8052] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8051] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8052] <... futex resumed>) = 0 [pid 8051] <... futex resumed>) = 0 [pid 8054] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8053] mkdir("./file1", 000 [pid 8052] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8051] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8053] <... mkdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8053] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8051] <... futex resumed>) = 0 [pid 8053] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8051] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8051] <... futex resumed>) = 0 [ 280.910951][ T8050] overlayfs: upper fs needs to support d_type. [ 280.935878][ T8050] overlayfs: upper fs does not support tmpfile. [ 280.942123][ T8054] overlayfs: upper fs needs to support d_type. [ 280.945956][ T8050] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8053] mkdir("./bus", 000 [pid 8051] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8053] <... mkdir resumed>) = 0 [pid 8047] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8061 ./strace-static-x86_64: Process 8061 attached [pid 8053] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8047] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8061] set_robust_list(0x555556dec5e0, 24 [pid 8053] <... futex resumed>) = 1 [pid 8051] <... futex resumed>) = 0 [pid 8047] <... futex resumed>) = 0 [pid 8061] <... set_robust_list resumed>) = 0 [pid 8053] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8051] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8061] chdir("./144" [pid 8053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8051] <... futex resumed>) = 0 [pid 8047] <... mmap resumed>) = 0x7f76a8b35000 [pid 8053] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8051] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8047] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8047] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8062], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8062 [pid 8047] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8061] <... chdir resumed>) = 0 [pid 8047] <... futex resumed>) = 0 [pid 8061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8047] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8061] <... prctl resumed>) = 0 [pid 8061] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 8062 attached [pid 8061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8062] set_robust_list(0x7f76a8b559e0, 24 [pid 8061] <... openat resumed>) = 3 [pid 8061] write(3, "1000", 4 [pid 8062] <... set_robust_list resumed>) = 0 [pid 8062] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8062] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8052] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 280.958184][ T8054] overlayfs: upper fs does not support tmpfile. [ 280.972370][ T8050] overlayfs: failed to resolve './file0': -2 [ 280.986535][ T8053] overlayfs: upper fs needs to support d_type. [ 280.996430][ T8053] overlayfs: upper fs does not support tmpfile. [ 281.001937][ T8054] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8061] <... write resumed>) = 4 [pid 8052] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8061] close(3 [pid 8052] <... futex resumed>) = 0 [pid 8061] <... close resumed>) = 0 [pid 8052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8050] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8052] <... mmap resumed>) = 0x7f76a8b35000 [pid 8052] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8052] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8063], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8063 [pid 8052] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8052] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8063 attached [pid 8063] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8063] mkdir(".", 0777 [pid 8061] symlink("/dev/binderfs", "./binderfs" [pid 8050] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8063] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8061] <... symlink resumed>) = 0 [pid 8050] <... futex resumed>) = 0 [pid 8050] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8061] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8063] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8051] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8051] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8051] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8051] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8064], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8064 [pid 8051] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8051] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8061] <... mmap resumed>) = 0x7f76b0b56000 [pid 8061] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 8064 attached ) = 0 [pid 8064] set_robust_list(0x7f76a8b559e0, 24 [pid 8061] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8064] <... set_robust_list resumed>) = 0 [pid 8064] mkdir(".", 0777 [pid 8061] <... clone resumed>, parent_tid=[8065], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8065 [pid 8061] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8064] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8061] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 281.004322][ T8053] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 281.029422][ T8062] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 281.036965][ T8053] overlayfs: failed to resolve './file0': -2 [pid 8064] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 8065 attached [pid 8065] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8065] memfd_create("syzkaller", 0) = 3 [pid 8065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8062] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8062] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8047] <... futex resumed>) = 0 [pid 8047] exit_group(0 [pid 8050] <... futex resumed>) = ? [pid 8047] <... exit_group resumed>) = ? [pid 8062] <... futex resumed>) = ? [pid 8062] +++ exited with 0 +++ [pid 8050] +++ exited with 0 +++ [pid 8047] +++ exited with 0 +++ [pid 8063] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8063] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8052] <... futex resumed>) = 0 [pid 8063] <... futex resumed>) = 1 [pid 8063] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8047, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=27 /* 0.27 s */} --- [pid 5010] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8053] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5010] <... openat resumed>) = 3 [pid 8053] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] fstat(3, [pid 8053] <... futex resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8053] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./144/binderfs") = 0 [pid 5010] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8054] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8054] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8052] exit_group(0 [pid 8063] <... futex resumed>) = ? [pid 8052] <... exit_group resumed>) = ? [pid 8063] +++ exited with 0 +++ [pid 8054] <... futex resumed>) = ? [pid 8054] +++ exited with 0 +++ [pid 8052] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8052, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} --- [pid 5012] <... umount2 resumed>) = 0 [pid 5011] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 281.070636][ T8063] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 281.098052][ T8064] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 281.107310][ T8054] overlayfs: failed to resolve './file0': -2 [pid 5011] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] lstat("./145/file0", [pid 5011] <... openat resumed>) = 3 [pid 5011] fstat(3, [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] getdents64(3, [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] openat(AT_FDCWD, "./145/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... openat resumed>) = 4 [pid 5012] fstat(4, [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, [pid 5011] lstat("./144/binderfs", [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4 [pid 5011] unlink("./144/binderfs" [pid 5012] <... close resumed>) = 0 [pid 5012] rmdir("./145/file0") = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5012] getdents64(3, [pid 5011] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./145") = 0 [pid 5012] mkdir("./146", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 8064] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5012] ioctl(3, LOOP_CLR_FD [pid 8064] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8064] <... futex resumed>) = 1 [pid 8051] <... futex resumed>) = 0 [pid 5012] close(3 [pid 8064] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8051] exit_group(0 [pid 5012] <... close resumed>) = 0 [pid 8064] <... futex resumed>) = ? [pid 8053] <... futex resumed>) = ? [pid 8051] <... exit_group resumed>) = ? [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8064] +++ exited with 0 +++ [pid 8053] +++ exited with 0 +++ [pid 8051] +++ exited with 0 +++ [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8066 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8051, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5009] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, ./strace-static-x86_64: Process 8066 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8066] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8066] chdir("./146") = 0 [pid 8066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8066] setpgid(0, 0) = 0 [pid 8066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5009] getdents64(3, [pid 8066] write(3, "1000", 4 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8066] <... write resumed>) = 4 [pid 8065] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8066] close(3) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8066] symlink("/dev/binderfs", "./binderfs" [pid 5009] lstat("./143/binderfs", [pid 8066] <... symlink resumed>) = 0 [pid 8066] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8066] <... futex resumed>) = 0 [pid 5009] unlink("./143/binderfs" [pid 8066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 5009] <... unlink resumed>) = 0 [pid 8066] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5009] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8066] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8067], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8067 [pid 8066] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8066] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8067 attached [pid 8067] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8067] memfd_create("syzkaller", 0) = 3 [pid 8067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./144/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./144/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... umount2 resumed>) = 0 [pid 5011] <... openat resumed>) = 4 [pid 5011] fstat(4, [pid 5010] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] lstat("./144/file0", [pid 5011] getdents64(4, [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5010] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] rmdir("./144/file0" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... rmdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./144/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] <... openat resumed>) = 4 [pid 5011] close(3 [pid 5010] fstat(4, [pid 5011] <... close resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] rmdir("./144" [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... rmdir resumed>) = 0 [pid 5010] getdents64(4, [pid 8067] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5011] mkdir("./145", 0777 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./144/file0" [pid 5011] <... mkdir resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5010] getdents64(3, [pid 5011] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5010] close(3 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] <... close resumed>) = 0 [pid 5011] close(3 [pid 5010] rmdir("./144" [pid 5011] <... close resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] mkdir("./145", 0777) = 0 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8068 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8069 ./strace-static-x86_64: Process 8069 attached [pid 8069] set_robust_list(0x555556dec5e0, 24) = 0 ./strace-static-x86_64: Process 8068 attached [pid 8069] chdir("./145" [pid 8068] set_robust_list(0x555556dec5e0, 24 [pid 8069] <... chdir resumed>) = 0 [pid 8068] <... set_robust_list resumed>) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 8069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8068] chdir("./145" [pid 5009] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8068] <... chdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8069] <... prctl resumed>) = 0 [pid 8068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8069] setpgid(0, 0 [pid 8068] <... prctl resumed>) = 0 [pid 5009] lstat("./143/file0", [pid 8069] <... setpgid resumed>) = 0 [pid 8068] setpgid(0, 0 [pid 8069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8068] <... setpgid resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8069] <... openat resumed>) = 3 [pid 8068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8069] write(3, "1000", 4 [pid 8068] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8069] <... write resumed>) = 4 [pid 8068] write(3, "1000", 4 [pid 8067] <... write resumed>) = 4194304 [pid 5009] openat(AT_FDCWD, "./143/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8069] close(3 [pid 8068] <... write resumed>) = 4 [pid 8067] munmap(0x7f76a8756000, 4194304 [pid 5009] <... openat resumed>) = 4 [pid 8069] <... close resumed>) = 0 [pid 8068] close(3 [pid 8067] <... munmap resumed>) = 0 [pid 5009] fstat(4, [pid 8069] symlink("/dev/binderfs", "./binderfs" [pid 8068] <... close resumed>) = 0 [pid 8067] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8069] <... symlink resumed>) = 0 [pid 8068] symlink("/dev/binderfs", "./binderfs" [pid 8067] <... openat resumed>) = 4 [pid 5009] getdents64(4, [pid 8069] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8068] <... symlink resumed>) = 0 [pid 8067] ioctl(4, LOOP_SET_FD, 3 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8069] <... futex resumed>) = 0 [pid 8068] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] getdents64(4, [pid 8069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8068] <... futex resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8069] <... mmap resumed>) = 0x7f76b0b56000 [pid 8068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8065] <... write resumed>) = 4194304 [pid 8069] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8067] <... ioctl resumed>) = 0 [pid 5009] close(4 [pid 8068] <... mmap resumed>) = 0x7f76b0b56000 [pid 8067] close(3 [pid 5009] <... close resumed>) = 0 [pid 8069] <... mprotect resumed>) = 0 [pid 8068] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8069] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8067] <... close resumed>) = 0 [pid 8065] munmap(0x7f76a8756000, 4194304 [pid 5009] rmdir("./143/file0" [pid 8068] <... mprotect resumed>) = 0 [pid 8067] mkdir("./file0", 0777 [pid 5009] <... rmdir resumed>) = 0 [pid 8069] <... clone resumed>, parent_tid=[8070], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8070 [pid 8068] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8067] <... mkdir resumed>) = 0 [pid 5009] getdents64(3, [pid 8069] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8067] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8069] <... futex resumed>) = 0 [pid 8068] <... clone resumed>, parent_tid=[8071], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8071 [pid 8065] <... munmap resumed>) = 0 [pid 5009] close(3./strace-static-x86_64: Process 8071 attached ./strace-static-x86_64: Process 8070 attached [pid 8069] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8068] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8065] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5009] <... close resumed>) = 0 [pid 8068] <... futex resumed>) = 0 [pid 5009] rmdir("./143" [pid 8071] set_robust_list(0x7f76b0b769e0, 24 [pid 8070] set_robust_list(0x7f76b0b769e0, 24 [pid 8068] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8065] <... openat resumed>) = 4 [pid 8071] <... set_robust_list resumed>) = 0 [pid 8070] <... set_robust_list resumed>) = 0 [pid 8065] ioctl(4, LOOP_SET_FD, 3 [pid 5009] <... rmdir resumed>) = 0 [pid 8071] memfd_create("syzkaller", 0 [pid 8070] memfd_create("syzkaller", 0 [pid 8065] <... ioctl resumed>) = 0 [pid 8071] <... memfd_create resumed>) = 3 [pid 8070] <... memfd_create resumed>) = 3 [pid 8065] close(3 [pid 8071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8065] <... close resumed>) = 0 [ 281.446705][ T8067] loop4: detected capacity change from 0 to 8192 [ 281.466451][ T8067] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 281.470049][ T8065] loop0: detected capacity change from 0 to 8192 [ 281.480129][ T8067] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8071] <... mmap resumed>) = 0x7f76a8756000 [pid 8070] <... mmap resumed>) = 0x7f76a8756000 [pid 8065] mkdir("./file0", 0777) = 0 [pid 5009] mkdir("./144", 0777 [pid 8065] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] <... mkdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [ 281.496156][ T8067] REISERFS (device loop4): using ordered data mode [ 281.502701][ T8067] reiserfs: using flush barriers [ 281.509905][ T8067] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 281.526667][ T8067] REISERFS (device loop4): checking transaction log (loop4) [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8070] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8074 [ 281.536255][ T8065] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 281.556177][ T8067] REISERFS (device loop4): Using r5 hash to sort names [ 281.563314][ T8067] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 281.563984][ T8065] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal ./strace-static-x86_64: Process 8074 attached [pid 8074] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8074] chdir("./144") = 0 [pid 8074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8074] setpgid(0, 0) = 0 [pid 8074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8074] write(3, "1000", 4) = 4 [pid 8074] close(3) = 0 [pid 8074] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8071] <... write resumed>) = 4194304 [pid 8074] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8071] munmap(0x7f76a8756000, 4194304 [pid 8074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8067] <... mount resumed>) = 0 [pid 8074] <... mmap resumed>) = 0x7f76b0b56000 [pid 8074] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8074] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8075], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8075 [ 281.603929][ T8065] REISERFS (device loop0): using ordered data mode [ 281.617839][ T8065] reiserfs: using flush barriers [ 281.638117][ T8067] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8074] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8074] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8071] <... munmap resumed>) = 0 [pid 8067] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8071] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8067] <... openat resumed>) = 3 [pid 8071] <... openat resumed>) = 4 [pid 8067] chdir("./file0" [pid 8071] ioctl(4, LOOP_SET_FD, 3 [pid 8067] <... chdir resumed>) = 0 [pid 8067] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 8075 attached ) = 0 [pid 8075] set_robust_list(0x7f76b0b769e0, 24 [pid 8067] close(4 [pid 8075] <... set_robust_list resumed>) = 0 [pid 8071] <... ioctl resumed>) = 0 [pid 8067] <... close resumed>) = 0 [pid 8075] memfd_create("syzkaller", 0 [pid 8071] close(3 [pid 8067] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8075] <... memfd_create resumed>) = 3 [pid 8071] <... close resumed>) = 0 [pid 8067] <... futex resumed>) = 1 [pid 8066] <... futex resumed>) = 0 [pid 8075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8071] mkdir("./file0", 0777 [pid 8067] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 281.648362][ T8065] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 281.664829][ T8071] loop3: detected capacity change from 0 to 8192 [ 281.666669][ T8065] REISERFS (device loop0): checking transaction log (loop0) [ 281.687177][ T8065] REISERFS (device loop0): Using r5 hash to sort names [pid 8066] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8075] <... mmap resumed>) = 0x7f76a8756000 [pid 8071] <... mkdir resumed>) = 0 [pid 8067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8066] <... futex resumed>) = 0 [pid 8071] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8070] <... write resumed>) = 4194304 [pid 8067] mkdir("./file1", 000 [pid 8066] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8070] munmap(0x7f76a8756000, 4194304 [pid 8067] <... mkdir resumed>) = 0 [pid 8067] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8066] <... futex resumed>) = 0 [pid 8067] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8066] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8066] <... futex resumed>) = 0 [ 281.709844][ T8065] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 281.723721][ T8065] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 281.736203][ T8071] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8075] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8070] <... munmap resumed>) = 0 [pid 8067] mkdir("./bus", 000 [pid 8066] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8065] <... mount resumed>) = 0 [pid 8070] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8065] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8070] <... openat resumed>) = 4 [pid 8065] <... openat resumed>) = 3 [pid 8070] ioctl(4, LOOP_SET_FD, 3 [pid 8065] chdir("./file0" [pid 8067] <... mkdir resumed>) = 0 [pid 8065] <... chdir resumed>) = 0 [pid 8065] ioctl(4, LOOP_CLR_FD) = 0 [pid 8070] <... ioctl resumed>) = 0 [pid 8065] close(4 [pid 8070] close(3 [pid 8065] <... close resumed>) = 0 [pid 8070] <... close resumed>) = 0 [pid 8065] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8070] mkdir("./file0", 0777 [pid 8065] <... futex resumed>) = 1 [pid 8061] <... futex resumed>) = 0 [pid 8070] <... mkdir resumed>) = 0 [pid 8065] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8061] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8070] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8061] <... futex resumed>) = 0 [pid 8067] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8065] mkdir("./file1", 000 [pid 8061] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8065] <... mkdir resumed>) = 0 [pid 8067] <... futex resumed>) = 1 [pid 8066] <... futex resumed>) = 0 [pid 8065] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8067] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8066] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8065] <... futex resumed>) = 1 [pid 8061] <... futex resumed>) = 0 [pid 8067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8066] <... futex resumed>) = 0 [pid 8065] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8061] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8067] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8066] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8061] <... futex resumed>) = 0 [pid 8065] mkdir("./bus", 000 [pid 8061] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8065] <... mkdir resumed>) = 0 [pid 8065] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8061] <... futex resumed>) = 0 [pid 8065] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8061] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8061] <... futex resumed>) = 0 [pid 8065] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 281.760107][ T8071] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 281.769743][ T8070] loop2: detected capacity change from 0 to 8192 [ 281.770553][ T8071] REISERFS (device loop3): using ordered data mode [ 281.793164][ T8067] overlayfs: upper fs needs to support d_type. [ 281.800369][ T8065] overlayfs: upper fs needs to support d_type. [pid 8061] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8061] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8061] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8061] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8066] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8066] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8061] <... clone resumed>, parent_tid=[8078], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8078 ./strace-static-x86_64: Process 8078 attached [ 281.808903][ T8065] overlayfs: upper fs does not support tmpfile. [ 281.819799][ T8070] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 281.820641][ T8067] overlayfs: upper fs does not support tmpfile. [ 281.820717][ T8071] reiserfs: using flush barriers [ 281.840734][ T8071] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8066] <... futex resumed>) = 0 [pid 8061] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8061] <... futex resumed>) = 0 [pid 8078] set_robust_list(0x7f76a8b559e0, 24 [pid 8075] <... write resumed>) = 4194304 [pid 8066] <... mmap resumed>) = 0x7f76a8b35000 [pid 8061] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8078] <... set_robust_list resumed>) = 0 [pid 8066] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8078] mkdir(".", 0777 [pid 8066] <... mprotect resumed>) = 0 [pid 8078] <... mkdir resumed>) = -1 EEXIST (File exists) [ 281.861436][ T8071] REISERFS (device loop3): checking transaction log (loop3) [ 281.870171][ T8071] REISERFS (device loop3): Using r5 hash to sort names [ 281.877626][ T8071] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 281.890442][ T8071] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8066] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8078] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 8079 attached [pid 8071] <... mount resumed>) = 0 [pid 8066] <... clone resumed>, parent_tid=[8079], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8079 [pid 8079] set_robust_list(0x7f76a8b559e0, 24 [pid 8071] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8066] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8066] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8079] <... set_robust_list resumed>) = 0 [ 281.898650][ T8078] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 281.900164][ T8070] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 281.922425][ T8070] REISERFS (device loop2): using ordered data mode [ 281.927239][ T8067] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 281.929094][ T8070] reiserfs: using flush barriers [ 281.942955][ T8070] 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 8079] mkdir(".", 0777 [pid 8071] <... openat resumed>) = 3 [pid 8079] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8078] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8075] munmap(0x7f76a8756000, 4194304 [pid 8071] chdir("./file0" [pid 8079] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8078] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8075] <... munmap resumed>) = 0 [pid 8071] <... chdir resumed>) = 0 [pid 8078] <... futex resumed>) = 1 [pid 8075] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8071] ioctl(4, LOOP_CLR_FD [pid 8078] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8075] <... openat resumed>) = 4 [pid 8071] <... ioctl resumed>) = 0 [pid 8075] ioctl(4, LOOP_SET_FD, 3 [pid 8071] close(4) = 0 [pid 8061] <... futex resumed>) = 0 [pid 8071] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8068] <... futex resumed>) = 0 [pid 8071] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8068] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8068] <... futex resumed>) = 0 [pid 8071] mkdir("./file1", 000 [pid 8068] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8071] <... mkdir resumed>) = 0 [pid 8071] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8068] <... futex resumed>) = 0 [pid 8071] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8068] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8068] <... futex resumed>) = 0 [pid 8071] mkdir("./bus", 000 [pid 8068] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8071] <... mkdir resumed>) = 0 [pid 8071] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8068] <... futex resumed>) = 0 [pid 8071] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8068] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8068] <... futex resumed>) = 0 [pid 8071] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8068] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8075] <... ioctl resumed>) = 0 [pid 8075] close(3) = 0 [pid 8075] mkdir("./file0", 0777) = 0 [pid 8075] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8067] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8067] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 281.948746][ T8067] overlayfs: failed to resolve './file0': -2 [ 281.961602][ T8065] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 281.971020][ T8075] loop1: detected capacity change from 0 to 8192 [ 281.978964][ T8079] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 281.994276][ T8070] REISERFS (device loop2): checking transaction log (loop2) [ 281.996566][ T8071] overlayfs: upper fs needs to support d_type. [pid 8067] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8068] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8068] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8068] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8068] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8081], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8081 [pid 8068] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 282.004864][ T8065] overlayfs: failed to resolve './file0': -2 [ 282.019967][ T8071] overlayfs: upper fs does not support tmpfile. [ 282.023219][ T8070] REISERFS (device loop2): Using r5 hash to sort names [ 282.033776][ T8070] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 282.046002][ T8071] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8068] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8081 attached [pid 8081] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8081] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8081] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8079] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8079] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8066] <... futex resumed>) = 0 [pid 8066] exit_group(0 [pid 8067] <... futex resumed>) = ? [pid 8066] <... exit_group resumed>) = ? [pid 8067] +++ exited with 0 +++ [pid 8079] <... futex resumed>) = ? [pid 8065] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8065] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8065] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8061] exit_group(0 [pid 8078] <... futex resumed>) = ? [pid 8065] <... futex resumed>) = ? [pid 8061] <... exit_group resumed>) = ? [pid 8078] +++ exited with 0 +++ [pid 8065] +++ exited with 0 +++ [pid 8061] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8061, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8079] +++ exited with 0 +++ [pid 8070] <... mount resumed>) = 0 [pid 8066] +++ exited with 0 +++ [ 282.050177][ T8075] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 282.056702][ T8071] overlayfs: failed to resolve './file0': -2 [ 282.076705][ T8070] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 282.089527][ T8081] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 282.091305][ T8075] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5008] <... openat resumed>) = 3 [pid 8070] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5008] fstat(3, [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8066, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] fstat(3, [pid 5008] lstat("./144/binderfs", [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] getdents64(3, [pid 5008] unlink("./144/binderfs" [pid 8070] <... openat resumed>) = 3 [pid 8071] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... unlink resumed>) = 0 [pid 8071] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8071] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8070] chdir("./file0" [pid 8081] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8070] <... chdir resumed>) = 0 [pid 8081] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8070] ioctl(4, LOOP_CLR_FD [pid 8081] <... futex resumed>) = 1 [pid 8070] <... ioctl resumed>) = 0 [pid 8081] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8070] close(4) = 0 [pid 8070] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8068] <... futex resumed>) = 0 [pid 5012] lstat("./146/binderfs", [pid 8071] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8070] <... futex resumed>) = 1 [pid 8069] <... futex resumed>) = 0 [pid 8068] exit_group(0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8081] <... futex resumed>) = ? [pid 8071] <... futex resumed>) = ? [pid 8070] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8069] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8068] <... exit_group resumed>) = ? [pid 5012] unlink("./146/binderfs" [pid 8081] +++ exited with 0 +++ [pid 8071] +++ exited with 0 +++ [pid 8070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8069] <... futex resumed>) = 0 [pid 8070] mkdir("./file1", 000) = 0 [pid 8068] +++ exited with 0 +++ [pid 8070] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8069] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... unlink resumed>) = 0 [pid 8070] <... futex resumed>) = 0 [pid 8069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8070] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8069] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8070] mkdir("./bus", 000 [pid 8069] <... futex resumed>) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8068, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 8070] <... mkdir resumed>) = 0 [pid 8069] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8070] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8070] <... futex resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8069] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 282.112340][ T8075] REISERFS (device loop1): using ordered data mode [ 282.120124][ T8075] reiserfs: using flush barriers [ 282.131608][ T8075] 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 8070] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 5011] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8069] <... futex resumed>) = 0 [pid 8069] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] <... openat resumed>) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 282.169869][ T8070] overlayfs: upper fs needs to support d_type. [ 282.170006][ T8075] REISERFS (device loop1): checking transaction log (loop1) [ 282.187256][ T8070] overlayfs: upper fs does not support tmpfile. [ 282.194849][ T8070] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 282.200612][ T8075] REISERFS (device loop1): Using r5 hash to sort names [ 282.203956][ T8070] overlayfs: failed to resolve './file0': -2 [pid 5011] unlink("./145/binderfs") = 0 [pid 8070] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8070] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8069] <... futex resumed>) = 0 [pid 8069] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8070] mkdir(".", 0777 [pid 8069] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8070] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8070] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 282.210050][ T8075] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 282.255834][ T8075] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5011] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8075] <... mount resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 8075] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5008] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8075] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8075] chdir("./file0" [pid 5008] lstat("./144/file0", [pid 8075] <... chdir resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8075] ioctl(4, LOOP_CLR_FD [pid 5008] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8075] <... ioctl resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8075] close(4 [pid 5008] openat(AT_FDCWD, "./144/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8075] <... close resumed>) = 0 [pid 8070] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8070] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8069] <... futex resumed>) = 0 [pid 8069] exit_group(0) = ? [pid 8070] <... futex resumed>) = ? [pid 5008] <... openat resumed>) = 4 [pid 8075] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] fstat(4, [pid 8075] <... futex resumed>) = 1 [pid 8074] <... futex resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8075] mkdir("./file1", 000 [pid 8074] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8075] <... mkdir resumed>) = 0 [pid 8074] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8075] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(4, [pid 8075] <... futex resumed>) = 0 [pid 8074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8074] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8074] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8075] mkdir("./bus", 000 [pid 5008] getdents64(4, [pid 8075] <... mkdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8075] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] close(4) = 0 [pid 8075] <... futex resumed>) = 1 [pid 8074] <... futex resumed>) = 0 [pid 5008] rmdir("./144/file0" [pid 8075] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8074] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... rmdir resumed>) = 0 [pid 8074] <... futex resumed>) = 0 [pid 8070] +++ exited with 0 +++ [pid 8069] +++ exited with 0 +++ [pid 8074] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8069, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... close resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] rmdir("./144" [pid 5010] <... openat resumed>) = 3 [pid 5008] <... rmdir resumed>) = 0 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] mkdir("./145", 0777 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... mkdir resumed>) = 0 [pid 5010] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5010] lstat("./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./145/binderfs" [pid 5008] <... openat resumed>) = 3 [pid 5010] <... unlink resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5010] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... ioctl resumed>) = -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=0x555556dec5d0) = 8082 [ 282.258915][ T8070] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 282.302567][ T8075] overlayfs: upper fs needs to support d_type. ./strace-static-x86_64: Process 8082 attached [pid 8082] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8082] chdir("./145") = 0 [pid 8082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8082] setpgid(0, 0) = 0 [pid 8082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8082] write(3, "1000", 4) = 4 [pid 8082] close(3) = 0 [pid 8082] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8082] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8082] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8082] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8083], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8083 [pid 8082] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8082] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8074] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8074] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8074] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8084], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8084 [pid 8074] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8074] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8083 attached [pid 8083] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8083] memfd_create("syzkaller", 0./strace-static-x86_64: Process 8084 attached [pid 8084] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8084] mkdir(".", 0777 [pid 8083] <... memfd_create resumed>) = 3 [pid 8084] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 282.335796][ T8075] overlayfs: upper fs does not support tmpfile. [ 282.350467][ T8075] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8084] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5011] <... umount2 resumed>) = 0 [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./145/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./145/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, [pid 5012] lstat("./146/file0", [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./145/file0" [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... rmdir resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./146/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8075] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [ 282.422070][ T8075] overlayfs: failed to resolve './file0': -2 [ 282.427434][ T8084] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5011] close(3 [pid 5012] <... openat resumed>) = 4 [pid 8075] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(4, [pid 8075] <... futex resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8075] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] getdents64(4, [pid 5011] <... close resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] rmdir("./145" [pid 5012] getdents64(4, [pid 5011] <... rmdir resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./146/file0" [pid 5011] mkdir("./146", 0777 [pid 5012] <... rmdir resumed>) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3 [pid 5011] <... mkdir resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5012] rmdir("./146") = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5012] mkdir("./147", 0777 [pid 5011] <... openat resumed>) = 3 [pid 5012] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8085 [pid 5012] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8084] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8086 [pid 8084] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8074] <... futex resumed>) = 0 [pid 8074] exit_group(0) = ? [pid 8075] <... futex resumed>) = ? [pid 8075] +++ exited with 0 +++ ./strace-static-x86_64: Process 8085 attached [pid 8085] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8085] chdir("./146") = 0 [pid 8085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 8086 attached [pid 8085] setpgid(0, 0 [pid 8084] +++ exited with 0 +++ [pid 8074] +++ exited with 0 +++ [pid 5010] <... umount2 resumed>) = 0 [pid 8086] set_robust_list(0x555556dec5e0, 24 [pid 8085] <... setpgid resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8074, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 8086] <... set_robust_list resumed>) = 0 [pid 8085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8086] chdir("./147" [pid 8085] <... openat resumed>) = 3 [pid 8086] <... chdir resumed>) = 0 [pid 8085] write(3, "1000", 4 [pid 5010] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8085] <... write resumed>) = 4 [pid 8086] <... prctl resumed>) = 0 [pid 8085] close(3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8086] setpgid(0, 0 [pid 8085] <... close resumed>) = 0 [pid 5010] lstat("./145/file0", [pid 8086] <... setpgid resumed>) = 0 [pid 8085] symlink("/dev/binderfs", "./binderfs" [pid 8083] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8085] <... symlink resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8086] <... openat resumed>) = 3 [pid 8085] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8086] write(3, "1000", 4 [pid 8085] <... futex resumed>) = 0 [pid 8086] <... write resumed>) = 4 [pid 8086] close(3) = 0 [pid 8086] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8086] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8086] <... mmap resumed>) = 0x7f76b0b56000 [pid 8085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] openat(AT_FDCWD, "./145/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... openat resumed>) = 3 [pid 8086] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8085] <... mmap resumed>) = 0x7f76b0b56000 [pid 8086] <... mprotect resumed>) = 0 [pid 8085] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... openat resumed>) = 4 [pid 5009] fstat(3, [pid 8086] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8085] <... mprotect resumed>) = 0 [pid 5010] fstat(4, [pid 8085] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8086] <... clone resumed>, parent_tid=[8087], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8087 [pid 5010] getdents64(4, [pid 8086] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8085] <... clone resumed>, parent_tid=[8088], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8088 [pid 5009] getdents64(3, [pid 8086] <... futex resumed>) = 0 [pid 8085] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 8087 attached [pid 8086] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8085] <... futex resumed>) = 0 [pid 5010] getdents64(4, [pid 5009] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8087] set_robust_list(0x7f76b0b769e0, 24 [pid 8085] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8088 attached [pid 8087] <... set_robust_list resumed>) = 0 [pid 5010] close(4 [pid 5009] lstat("./144/binderfs", [pid 8088] set_robust_list(0x7f76b0b769e0, 24 [pid 8087] memfd_create("syzkaller", 0 [pid 5010] <... close resumed>) = 0 [pid 8088] <... set_robust_list resumed>) = 0 [pid 8087] <... memfd_create resumed>) = 3 [pid 5010] rmdir("./145/file0" [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8088] memfd_create("syzkaller", 0 [pid 8087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8088] <... memfd_create resumed>) = 3 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] unlink("./144/binderfs" [pid 8087] <... mmap resumed>) = 0x7f76a8756000 [pid 5010] getdents64(3, [pid 8088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 8088] <... mmap resumed>) = 0x7f76a8756000 [pid 5010] close(3 [pid 5009] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./145") = 0 [pid 5010] mkdir("./146", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8089 ./strace-static-x86_64: Process 8089 attached [pid 8089] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8089] chdir("./146" [pid 8087] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8089] <... chdir resumed>) = 0 [pid 8089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8089] setpgid(0, 0) = 0 [pid 8089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8089] write(3, "1000", 4 [pid 8083] <... write resumed>) = 4194304 [pid 8089] <... write resumed>) = 4 [pid 8083] munmap(0x7f76a8756000, 4194304 [pid 8089] close(3) = 0 [pid 8089] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8089] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8089] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8083] <... munmap resumed>) = 0 [pid 8089] <... mprotect resumed>) = 0 [pid 8089] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8089] <... clone resumed>, parent_tid=[8090], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8090 [pid 8088] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8083] ioctl(4, LOOP_SET_FD, 3 [pid 8089] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8090 attached [pid 8090] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8089] <... futex resumed>) = 0 [pid 8089] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8090] memfd_create("syzkaller", 0) = 3 [pid 8090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8083] <... ioctl resumed>) = 0 [pid 8083] close(3 [pid 5009] <... umount2 resumed>) = 0 [pid 8083] <... close resumed>) = 0 [pid 8083] mkdir("./file0", 0777 [pid 5009] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8083] <... mkdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8083] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] lstat("./144/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./144/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [ 282.691466][ T8083] loop0: detected capacity change from 0 to 8192 [pid 8087] <... write resumed>) = 4194304 [pid 5009] close(4 [pid 8087] munmap(0x7f76a8756000, 4194304 [pid 5009] <... close resumed>) = 0 [pid 8087] <... munmap resumed>) = 0 [pid 5009] rmdir("./144/file0" [pid 8087] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5009] <... rmdir resumed>) = 0 [pid 8087] <... openat resumed>) = 4 [pid 5009] getdents64(3, [pid 8087] ioctl(4, LOOP_SET_FD, 3 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./144") = 0 [pid 5009] mkdir("./145", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 8090] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8092 [ 282.751117][ T8083] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 282.769770][ T8087] loop4: detected capacity change from 0 to 8192 ./strace-static-x86_64: Process 8092 attached [pid 8087] <... ioctl resumed>) = 0 [pid 8092] set_robust_list(0x555556dec5e0, 24 [pid 8087] close(3 [pid 8092] <... set_robust_list resumed>) = 0 [pid 8092] chdir("./145" [pid 8087] <... close resumed>) = 0 [pid 8092] <... chdir resumed>) = 0 [pid 8092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8092] setpgid(0, 0) = 0 [pid 8087] mkdir("./file0", 0777 [pid 8092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8092] write(3, "1000", 4) = 4 [pid 8092] close(3) = 0 [pid 8092] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8092] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8087] <... mkdir resumed>) = 0 [pid 8092] <... mmap resumed>) = 0x7f76b0b56000 [pid 8087] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8092] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8092] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8094], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8094 [pid 8092] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 282.800122][ T8083] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 282.810243][ T8083] REISERFS (device loop0): using ordered data mode [ 282.817301][ T8083] reiserfs: using flush barriers [ 282.824200][ T8083] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8092] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8090] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 8094 attached [pid 8094] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8094] memfd_create("syzkaller", 0) = 3 [pid 8094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8090] munmap(0x7f76a8756000, 4194304 [pid 8094] <... mmap resumed>) = 0x7f76a8756000 [pid 8090] <... munmap resumed>) = 0 [ 282.855884][ T8087] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 282.874398][ T8083] REISERFS (device loop0): checking transaction log (loop0) [ 282.882378][ T8087] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 282.894774][ T8087] REISERFS (device loop4): using ordered data mode [pid 8090] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8088] <... write resumed>) = 4194304 [pid 8090] <... openat resumed>) = 4 [pid 8090] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8088] munmap(0x7f76a8756000, 4194304) = 0 [pid 8088] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8090] close(3 [ 282.901505][ T8083] REISERFS (device loop0): Using r5 hash to sort names [ 282.909078][ T8083] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 282.922278][ T8087] reiserfs: using flush barriers [ 282.928421][ T8090] loop2: detected capacity change from 0 to 8192 [ 282.936314][ T8083] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8088] ioctl(4, LOOP_SET_FD, 3 [pid 8090] <... close resumed>) = 0 [pid 8083] <... mount resumed>) = 0 [pid 8090] mkdir("./file0", 0777 [pid 8088] <... ioctl resumed>) = 0 [pid 8083] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8094] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8090] <... mkdir resumed>) = 0 [pid 8088] close(3) = 0 [pid 8088] mkdir("./file0", 0777) = 0 [pid 8088] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8083] <... openat resumed>) = 3 [pid 8090] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8083] chdir("./file0") = 0 [pid 8083] ioctl(4, LOOP_CLR_FD) = 0 [pid 8083] close(4) = 0 [pid 8083] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8082] <... futex resumed>) = 0 [pid 8083] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8082] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8082] <... futex resumed>) = 0 [ 282.945801][ T8087] 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 [ 282.947973][ T8088] loop3: detected capacity change from 0 to 8192 [ 282.962825][ T8087] REISERFS (device loop4): checking transaction log (loop4) [ 282.977236][ T8087] REISERFS (device loop4): Using r5 hash to sort names [ 282.984861][ T8087] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8083] mkdir("./file1", 000 [pid 8082] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8083] <... mkdir resumed>) = 0 [pid 8083] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8082] <... futex resumed>) = 0 [pid 8082] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8083] mkdir("./bus", 000) = 0 [pid 8082] <... futex resumed>) = 0 [pid 8083] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8082] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8083] <... futex resumed>) = 0 [pid 8082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 283.013205][ T8088] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 283.027269][ T8090] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 283.031815][ T8088] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 283.051035][ T8088] REISERFS (device loop3): using ordered data mode [ 283.058418][ T8088] reiserfs: using flush barriers [pid 8083] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8082] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8082] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8094] <... write resumed>) = 4194304 [pid 8094] munmap(0x7f76a8756000, 4194304 [pid 8087] <... mount resumed>) = 0 [ 283.060807][ T8083] overlayfs: upper fs needs to support d_type. [ 283.069933][ T8088] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 283.088854][ T8087] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 283.098753][ T8090] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 8094] <... munmap resumed>) = 0 [pid 8087] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8094] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8087] <... openat resumed>) = 3 [pid 8094] <... openat resumed>) = 4 [pid 8087] chdir("./file0" [pid 8094] ioctl(4, LOOP_SET_FD, 3 [pid 8087] <... chdir resumed>) = 0 [ 283.109005][ T8083] overlayfs: upper fs does not support tmpfile. [ 283.110810][ T8090] REISERFS (device loop2): using ordered data mode [ 283.120693][ T8088] REISERFS (device loop3): checking transaction log (loop3) [ 283.122343][ T8090] reiserfs: using flush barriers [ 283.132681][ T8083] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 283.138015][ T8094] loop1: detected capacity change from 0 to 8192 [pid 8087] ioctl(4, LOOP_CLR_FD [pid 8082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8087] <... ioctl resumed>) = 0 [pid 8087] close(4) = 0 [pid 8087] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8087] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8086] <... futex resumed>) = 0 [pid 8082] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8086] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8082] <... futex resumed>) = 0 [pid 8086] <... futex resumed>) = 1 [pid 8086] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8087] <... futex resumed>) = 0 [pid 8087] mkdir("./file1", 000) = 0 [pid 8082] <... mmap resumed>) = 0x7f76a8b35000 [pid 8087] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8082] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8087] <... futex resumed>) = 1 [pid 8087] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8094] <... ioctl resumed>) = 0 [pid 8094] close(3) = 0 [pid 8094] mkdir("./file0", 0777 [pid 8086] <... futex resumed>) = 0 [pid 8082] <... mprotect resumed>) = 0 [pid 8086] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8087] <... futex resumed>) = 0 [pid 8086] <... futex resumed>) = 1 [pid 8082] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8087] mkdir("./bus", 000) = 0 [pid 8087] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8087] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8086] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8083] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8083] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8086] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8083] <... futex resumed>) = 0 [pid 8087] <... futex resumed>) = 0 [pid 8086] <... futex resumed>) = 1 [pid 8082] <... clone resumed>, parent_tid=[8097], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8097 [pid 8087] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8086] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8083] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8082] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8097 attached [pid 8094] <... mkdir resumed>) = 0 [pid 8082] <... futex resumed>) = 0 [pid 8097] set_robust_list(0x7f76a8b559e0, 24 [pid 8094] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 283.148424][ T8090] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 283.155677][ T8083] overlayfs: failed to resolve './file0': -2 [ 283.180586][ T8088] REISERFS (device loop3): Using r5 hash to sort names [ 283.196085][ T8087] overlayfs: upper fs needs to support d_type. [ 283.202335][ T8087] overlayfs: upper fs does not support tmpfile. [pid 8082] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8097] <... set_robust_list resumed>) = 0 [pid 8097] mkdir(".", 0777) = -1 EEXIST (File exists) [ 283.212812][ T8088] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 283.218562][ T8087] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 283.240054][ T8087] overlayfs: failed to resolve './file0': -2 [ 283.240340][ T8094] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8097] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8086] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8086] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8087] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8087] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8087] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8086] <... mmap resumed>) = 0x7f76a8b35000 [pid 8086] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8086] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8099], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8099 [pid 8086] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8086] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8099 attached [pid 8099] set_robust_list(0x7f76a8b559e0, 24) = 0 [ 283.248158][ T8088] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 283.259575][ T8090] REISERFS (device loop2): checking transaction log (loop2) [ 283.273124][ T8097] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 283.276505][ T8094] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8099] mkdir(".", 0777 [pid 8088] <... mount resumed>) = 0 [pid 8088] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8088] chdir("./file0") = 0 [pid 8088] ioctl(4, LOOP_CLR_FD) = 0 [pid 8088] close(4 [pid 8099] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8088] <... close resumed>) = 0 [pid 8088] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8085] <... futex resumed>) = 0 [pid 8085] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8085] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8088] <... futex resumed>) = 1 [pid 8088] mkdir("./file1", 000) = 0 [pid 8088] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8085] <... futex resumed>) = 0 [pid 8088] mkdir("./bus", 000 [pid 8085] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8088] <... mkdir resumed>) = 0 [pid 8085] <... futex resumed>) = 0 [pid 8088] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8085] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8088] <... futex resumed>) = 0 [pid 8085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8088] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8085] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8099] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8085] <... futex resumed>) = 0 [ 283.310322][ T8094] REISERFS (device loop1): using ordered data mode [ 283.319142][ T8094] reiserfs: using flush barriers [ 283.325790][ T8090] REISERFS (device loop2): Using r5 hash to sort names [ 283.332917][ T8090] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 283.342565][ T8088] overlayfs: upper fs needs to support d_type. [ 283.347287][ T8090] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8085] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8090] <... mount resumed>) = 0 [pid 8097] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8097] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8097] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8090] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8082] <... futex resumed>) = 0 [pid 8090] <... openat resumed>) = 3 [ 283.361243][ T8094] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 283.364587][ T8088] overlayfs: upper fs does not support tmpfile. [ 283.380121][ T8094] REISERFS (device loop1): checking transaction log (loop1) [ 283.398256][ T8099] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8082] exit_group(0 [pid 8090] chdir("./file0" [pid 8085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8082] <... exit_group resumed>) = ? [pid 8090] <... chdir resumed>) = 0 [pid 8090] ioctl(4, LOOP_CLR_FD) = 0 [pid 8090] close(4 [pid 8097] <... futex resumed>) = ? [pid 8090] <... close resumed>) = 0 [pid 8085] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8083] <... futex resumed>) = ? [pid 8090] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8090] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8099] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8099] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8086] <... futex resumed>) = 0 [pid 8086] exit_group(0) = ? [pid 8099] <... futex resumed>) = ? [pid 8099] +++ exited with 0 +++ [pid 8097] +++ exited with 0 +++ [pid 8089] <... futex resumed>) = 0 [pid 8087] <... futex resumed>) = ? [pid 8085] <... futex resumed>) = 0 [pid 8083] +++ exited with 0 +++ [pid 8082] +++ exited with 0 +++ [pid 8089] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8082, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [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, [pid 8087] +++ exited with 0 +++ [pid 8086] +++ exited with 0 +++ [pid 8085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8090] <... futex resumed>) = 0 [pid 8089] <... futex resumed>) = 1 [pid 8085] <... mmap resumed>) = 0x7f76a8b35000 [pid 8090] mkdir("./file1", 000 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8089] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8085] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8086, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5008] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8090] <... mkdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./145/binderfs", [pid 8090] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8085] <... mprotect resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./145/binderfs" [pid 8090] <... futex resumed>) = 1 [pid 8089] <... futex resumed>) = 0 [pid 8085] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... unlink resumed>) = 0 [pid 8090] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8089] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 283.408585][ T8088] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 283.421539][ T8088] overlayfs: failed to resolve './file0': -2 [ 283.438974][ T8094] REISERFS (device loop1): Using r5 hash to sort names [pid 8089] <... futex resumed>) = 0 [pid 8085] <... clone resumed>, parent_tid=[8100], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8100 [pid 5012] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8100 attached [pid 8090] mkdir("./bus", 000 [pid 8088] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8088] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8088] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8100] set_robust_list(0x7f76a8b559e0, 24 [pid 8090] <... mkdir resumed>) = 0 [pid 8089] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8085] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... openat resumed>) = 3 [pid 8100] <... set_robust_list resumed>) = 0 [pid 8090] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8085] <... futex resumed>) = 0 [pid 5012] fstat(3, [pid 8100] mkdir(".", 0777 [pid 8090] <... futex resumed>) = 0 [pid 8089] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8085] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8100] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8090] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8089] <... futex resumed>) = 0 [pid 5012] getdents64(3, [pid 8089] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8100] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8094] <... mount resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8094] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8094] chdir("./file0") = 0 [pid 8094] ioctl(4, LOOP_CLR_FD [pid 5012] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8094] <... ioctl resumed>) = 0 [pid 8094] close(4) = 0 [ 283.453750][ T8094] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 283.470971][ T8094] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 283.480329][ T8090] overlayfs: upper fs needs to support d_type. [ 283.488928][ T8090] overlayfs: upper fs does not support tmpfile. [ 283.496641][ T8090] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8094] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8092] <... futex resumed>) = 0 [pid 8094] mkdir("./file1", 000 [pid 8092] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8100] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8094] <... mkdir resumed>) = 0 [pid 8092] <... futex resumed>) = 0 [pid 5012] lstat("./147/binderfs", [pid 8100] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8094] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8092] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8094] <... futex resumed>) = 0 [pid 8092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8094] mkdir("./bus", 000 [pid 8092] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8094] <... mkdir resumed>) = 0 [pid 8092] <... futex resumed>) = 0 [pid 8094] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8092] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8094] <... futex resumed>) = 0 [pid 8092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8094] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8092] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8100] <... futex resumed>) = 1 [pid 8094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8092] <... futex resumed>) = 0 [pid 8085] <... futex resumed>) = 0 [pid 5012] unlink("./147/binderfs" [pid 8094] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8092] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8100] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8089] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8085] exit_group(0 [pid 5012] <... unlink resumed>) = 0 [pid 8100] <... futex resumed>) = ? [pid 8090] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8089] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8085] <... exit_group resumed>) = ? [pid 5012] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8100] +++ exited with 0 +++ [pid 8089] <... futex resumed>) = 0 [pid 8088] <... futex resumed>) = ? [pid 8090] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8088] +++ exited with 0 +++ [pid 8085] +++ exited with 0 +++ [pid 8090] <... futex resumed>) = 0 [pid 8089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8090] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8089] <... mmap resumed>) = 0x7f76a8b35000 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8085, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 8089] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5011] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8089] <... mprotect resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8089] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8089] <... clone resumed>, parent_tid=[8101], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8101 [pid 5011] fstat(3, [pid 8089] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8089] <... futex resumed>) = 0 [pid 5011] getdents64(3, ./strace-static-x86_64: Process 8101 attached [pid 8094] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8089] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8101] set_robust_list(0x7f76a8b559e0, 24 [pid 8094] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8092] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8101] <... set_robust_list resumed>) = 0 [pid 8094] <... futex resumed>) = 0 [pid 8092] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8101] mkdir(".", 0777 [ 283.499394][ T8100] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 283.520380][ T8090] overlayfs: failed to resolve './file0': -2 [ 283.531056][ T8094] overlayfs: upper fs needs to support d_type. [ 283.539335][ T8094] overlayfs: upper fs does not support tmpfile. [ 283.548569][ T8094] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 283.558268][ T8094] overlayfs: failed to resolve './file0': -2 [pid 8094] mkdir(".", 0777 [pid 8092] <... futex resumed>) = 0 [pid 5011] lstat("./146/binderfs", [pid 8101] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8094] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8092] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8101] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8094] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5011] unlink("./146/binderfs" [pid 8101] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... unlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 8101] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8101] <... futex resumed>) = 1 [pid 8089] <... futex resumed>) = 0 [pid 8101] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8089] exit_group(0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8101] <... futex resumed>) = ? [pid 8090] <... futex resumed>) = ? [pid 8089] <... exit_group resumed>) = ? [pid 5008] lstat("./145/file0", [pid 8101] +++ exited with 0 +++ [pid 8090] +++ exited with 0 +++ [pid 8089] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8089, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5008] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "./145/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... openat resumed>) = 4 [pid 5010] <... openat resumed>) = 3 [pid 5010] fstat(3, [pid 5008] fstat(4, [pid 5010] <... 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 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] getdents64(4, [pid 5010] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] lstat("./146/binderfs", [pid 5008] getdents64(4, [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] unlink("./146/binderfs" [pid 5008] close(4 [pid 5010] <... unlink resumed>) = 0 [pid 5010] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./145/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [ 283.608244][ T8101] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 283.608492][ T8094] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] close(3) = 0 [pid 5008] rmdir("./145") = 0 [pid 5008] mkdir("./146", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", 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=0x555556dec5d0) = 8102 ./strace-static-x86_64: Process 8102 attached [pid 8102] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8102] chdir("./146") = 0 [pid 8102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8102] setpgid(0, 0) = 0 [pid 8102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8102] write(3, "1000", 4) = 4 [pid 8102] close(3) = 0 [pid 8102] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8102] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8102] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8102] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8103], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8103 [pid 8102] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8102] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8103 attached [pid 8103] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8103] memfd_create("syzkaller", 0) = 3 [pid 8094] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8094] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8103] <... mmap resumed>) = 0x7f76a8756000 [pid 8094] <... futex resumed>) = 1 [pid 8092] <... futex resumed>) = 0 [pid 8092] exit_group(0) = ? [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8094] +++ exited with 0 +++ [pid 8092] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8092, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5012] lstat("./147/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, [pid 5012] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = 0 [pid 5009] getdents64(3, [pid 5012] openat(AT_FDCWD, "./147/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] <... openat resumed>) = 4 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] fstat(4, [pid 5011] lstat("./146/file0", [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] lstat("./145/binderfs", [pid 5012] getdents64(4, [pid 5011] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] unlink("./145/binderfs" [pid 5012] getdents64(4, [pid 5011] openat(AT_FDCWD, "./146/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... unlink resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] <... openat resumed>) = 4 [pid 5009] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] close(4 [pid 5011] fstat(4, [pid 5012] <... close resumed>) = 0 [pid 5012] rmdir("./147/file0" [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5011] getdents64(4, [pid 5012] getdents64(3, [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] getdents64(4, [pid 5012] close(3 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8103] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] <... close resumed>) = 0 [pid 5011] close(4 [pid 5012] rmdir("./147" [pid 5011] <... close resumed>) = 0 [pid 5011] rmdir("./146/file0" [pid 5012] <... rmdir resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./146" [pid 5012] mkdir("./148", 0777 [pid 5011] <... rmdir resumed>) = 0 [pid 5011] mkdir("./147", 0777 [pid 5012] <... mkdir resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] <... openat resumed>) = 3 [pid 5010] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8104 ./strace-static-x86_64: Process 8104 attached [pid 8104] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8104] chdir("./147") = 0 [pid 8104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8104] setpgid(0, 0) = 0 [pid 8104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] lstat("./146/file0", [pid 5012] close(3 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... close resumed>) = 0 [pid 5010] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8104] <... openat resumed>) = 3 [pid 8104] write(3, "1000", 4) = 4 [pid 8104] close(3) = 0 [pid 8104] symlink("/dev/binderfs", "./binderfs" [pid 5010] openat(AT_FDCWD, "./146/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8104] <... symlink resumed>) = 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8105 [pid 5010] <... openat resumed>) = 4 [pid 8104] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] fstat(4, [pid 8104] <... futex resumed>) = 0 [pid 8104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8104] <... mmap resumed>) = 0x7f76b0b56000 [pid 5010] getdents64(4, [pid 8104] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 8105 attached [pid 8104] <... mprotect resumed>) = 0 [pid 5010] getdents64(4, [pid 8105] set_robust_list(0x555556dec5e0, 24 [pid 8104] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 8105] <... set_robust_list resumed>) = 0 [pid 5010] close(4 [pid 5009] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8105] chdir("./148" [pid 5010] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8105] <... chdir resumed>) = 0 [pid 8104] <... clone resumed>, parent_tid=[8106], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8106 [pid 5010] rmdir("./146/file0" [pid 5009] lstat("./145/file0", [pid 8105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8104] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8105] <... prctl resumed>) = 0 [pid 8104] <... futex resumed>) = 0 [pid 5010] getdents64(3, [pid 5009] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8105] setpgid(0, 0 [pid 8104] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8106 attached [pid 8105] <... setpgid resumed>) = 0 [pid 5010] close(3 [pid 5009] openat(AT_FDCWD, "./145/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8106] set_robust_list(0x7f76b0b769e0, 24 [pid 8105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... close resumed>) = 0 [pid 5009] <... openat resumed>) = 4 [pid 8106] <... set_robust_list resumed>) = 0 [pid 8105] <... openat resumed>) = 3 [pid 5010] rmdir("./146" [pid 5009] fstat(4, [pid 8106] memfd_create("syzkaller", 0 [pid 8105] write(3, "1000", 4 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8106] <... memfd_create resumed>) = 3 [pid 8105] <... write resumed>) = 4 [pid 5010] mkdir("./147", 0777 [pid 5009] getdents64(4, [pid 8106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8105] close(3 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8106] <... mmap resumed>) = 0x7f76a8756000 [pid 8105] <... close resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] getdents64(4, [pid 8105] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8105] <... symlink resumed>) = 0 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] close(4 [pid 8105] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8105] <... futex resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5010] close(3 [pid 8105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] rmdir("./145/file0" [pid 5010] <... close resumed>) = 0 [pid 8105] <... mmap resumed>) = 0x7f76b0b56000 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... rmdir resumed>) = 0 [pid 8105] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8107 [pid 5009] getdents64(3, [pid 8105] <... mprotect resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8105] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] close(3) = 0 [pid 8105] <... clone resumed>, parent_tid=[8108], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8108 [pid 5009] rmdir("./145" [pid 8105] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... rmdir resumed>) = 0 [pid 8105] <... futex resumed>) = 0 [pid 5009] mkdir("./146", 0777 [pid 8105] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] <... mkdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8108 attached [pid 8108] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8109 [pid 8108] <... set_robust_list resumed>) = 0 [pid 8108] memfd_create("syzkaller", 0) = 3 [pid 8108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 ./strace-static-x86_64: Process 8109 attached ./strace-static-x86_64: Process 8107 attached [pid 8107] set_robust_list(0x555556dec5e0, 24 [pid 8106] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8109] set_robust_list(0x555556dec5e0, 24 [pid 8107] <... set_robust_list resumed>) = 0 [pid 8109] <... set_robust_list resumed>) = 0 [pid 8107] chdir("./147" [pid 8103] <... write resumed>) = 4194304 [pid 8109] chdir("./146" [pid 8107] <... chdir resumed>) = 0 [pid 8103] munmap(0x7f76a8756000, 4194304 [pid 8109] <... chdir resumed>) = 0 [pid 8107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8107] setpgid(0, 0) = 0 [pid 8109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8103] <... munmap resumed>) = 0 [pid 8109] <... prctl resumed>) = 0 [pid 8107] <... openat resumed>) = 3 [pid 8103] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8109] setpgid(0, 0 [pid 8107] write(3, "1000", 4 [pid 8103] <... openat resumed>) = 4 [pid 8109] <... setpgid resumed>) = 0 [pid 8107] <... write resumed>) = 4 [pid 8103] ioctl(4, LOOP_SET_FD, 3 [pid 8109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8107] close(3) = 0 [pid 8107] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8107] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8109] <... openat resumed>) = 3 [pid 8107] <... futex resumed>) = 0 [pid 8109] write(3, "1000", 4 [pid 8107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8109] <... write resumed>) = 4 [pid 8107] <... mmap resumed>) = 0x7f76b0b56000 [pid 8109] close(3 [pid 8107] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8109] <... close resumed>) = 0 [pid 8107] <... mprotect resumed>) = 0 [pid 8109] symlink("/dev/binderfs", "./binderfs" [pid 8107] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8103] <... ioctl resumed>) = 0 [pid 8109] <... symlink resumed>) = 0 [pid 8103] close(3 [pid 8109] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8107] <... clone resumed>, parent_tid=[8110], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8110 [pid 8103] <... close resumed>) = 0 [pid 8109] <... futex resumed>) = 0 [pid 8107] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8103] mkdir("./file0", 0777./strace-static-x86_64: Process 8110 attached [pid 8109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8107] <... futex resumed>) = 0 [pid 8103] <... mkdir resumed>) = 0 [pid 8110] set_robust_list(0x7f76b0b769e0, 24 [pid 8109] <... mmap resumed>) = 0x7f76b0b56000 [pid 8107] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8103] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8110] <... set_robust_list resumed>) = 0 [pid 8109] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8109] clone(child_stack=0x7f76b0b763f0, 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 8112 attached [pid 8110] memfd_create("syzkaller", 0 [pid 8108] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8112] set_robust_list(0x7f76b0b769e0, 24 [pid 8110] <... memfd_create resumed>) = 3 [pid 8109] <... clone resumed>, parent_tid=[8112], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8112 [ 283.994156][ T8103] loop0: detected capacity change from 0 to 8192 [ 284.028272][ T8103] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8112] <... set_robust_list resumed>) = 0 [pid 8110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8109] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8112] memfd_create("syzkaller", 0 [pid 8110] <... mmap resumed>) = 0x7f76a8756000 [pid 8109] <... futex resumed>) = 0 [pid 8112] <... memfd_create resumed>) = 3 [pid 8109] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 284.044047][ T8103] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 284.056992][ T8103] REISERFS (device loop0): using ordered data mode [ 284.064624][ T8103] reiserfs: using flush barriers [ 284.074744][ T8103] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8106] <... write resumed>) = 4194304 [pid 8110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8106] munmap(0x7f76a8756000, 4194304) = 0 [ 284.094129][ T8103] REISERFS (device loop0): checking transaction log (loop0) [ 284.113985][ T8103] REISERFS (device loop0): Using r5 hash to sort names [pid 8106] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8112] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8106] <... openat resumed>) = 4 [pid 8106] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8106] close(3) = 0 [pid 8106] mkdir("./file0", 0777) = 0 [pid 8106] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8108] <... write resumed>) = 4194304 [pid 8108] munmap(0x7f76a8756000, 4194304) = 0 [ 284.143507][ T8103] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 284.163687][ T8106] loop3: detected capacity change from 0 to 8192 [pid 8108] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8108] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8108] close(3) = 0 [pid 8108] mkdir("./file0", 0777) = 0 [ 284.189571][ T8103] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 284.199552][ T8106] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 284.214304][ T8108] loop4: detected capacity change from 0 to 8192 [pid 8108] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8103] <... mount resumed>) = 0 [pid 8103] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8103] chdir("./file0") = 0 [pid 8103] ioctl(4, LOOP_CLR_FD) = 0 [pid 8103] close(4) = 0 [pid 8103] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8102] <... futex resumed>) = 0 [pid 8103] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8102] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8102] <... futex resumed>) = 0 [pid 8102] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8103] mkdir("./file1", 000) = 0 [pid 8103] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8102] <... futex resumed>) = 0 [pid 8103] <... futex resumed>) = 1 [pid 8102] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8103] mkdir("./bus", 000 [pid 8102] <... futex resumed>) = 0 [pid 8103] <... mkdir resumed>) = 0 [pid 8102] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8103] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8102] <... futex resumed>) = 0 [pid 8103] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8102] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8102] <... futex resumed>) = 0 [pid 8103] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 284.233706][ T8106] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 284.243825][ T8108] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 284.268426][ T8106] REISERFS (device loop3): using ordered data mode [pid 8102] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [ 284.286734][ T8106] reiserfs: using flush barriers [ 284.287269][ T8103] overlayfs: upper fs needs to support d_type. [ 284.297010][ T8108] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 284.298755][ T8106] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.307673][ T8108] REISERFS (device loop4): using ordered data mode [ 284.330235][ T8108] reiserfs: using flush barriers [pid 8102] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8112] <... write resumed>) = 4194304 [pid 8110] <... write resumed>) = 4194304 [pid 8102] <... mmap resumed>) = 0x7f76a8b35000 [pid 8102] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8112] munmap(0x7f76a8756000, 4194304 [pid 8102] <... mprotect resumed>) = 0 [pid 8102] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8115], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8115 [pid 8102] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8102] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8112] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 8115 attached [pid 8115] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8115] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8115] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8110] munmap(0x7f76a8756000, 4194304 [ 284.337559][ T8108] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.356639][ T8103] overlayfs: upper fs does not support tmpfile. [ 284.363598][ T8103] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 284.377866][ T8103] overlayfs: failed to resolve './file0': -2 [pid 8112] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8110] <... munmap resumed>) = 0 [pid 8103] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 284.385172][ T8106] REISERFS (device loop3): checking transaction log (loop3) [ 284.386289][ T8108] REISERFS (device loop4): checking transaction log (loop4) [ 284.402169][ T8106] REISERFS (device loop3): Using r5 hash to sort names [ 284.409537][ T8112] loop1: detected capacity change from 0 to 8192 [ 284.411600][ T8115] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8112] ioctl(4, LOOP_SET_FD, 3 [pid 8110] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8103] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8112] <... ioctl resumed>) = 0 [pid 8115] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8115] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8102] <... futex resumed>) = 0 [pid 8102] exit_group(0) = ? [pid 8115] <... futex resumed>) = ? [pid 8115] +++ exited with 0 +++ [pid 8112] close(3 [pid 8110] <... openat resumed>) = 4 [pid 8103] <... futex resumed>) = ? [pid 8112] <... close resumed>) = 0 [pid 8110] ioctl(4, LOOP_SET_FD, 3 [pid 8106] <... mount resumed>) = 0 [pid 8103] +++ exited with 0 +++ [pid 8102] +++ exited with 0 +++ [pid 8112] mkdir("./file0", 0777 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8102, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 8112] <... mkdir resumed>) = 0 [pid 8112] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5008] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 284.416667][ T8106] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 284.434519][ T8108] REISERFS (device loop4): Using r5 hash to sort names [ 284.442966][ T8106] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 284.452125][ T8108] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 284.463727][ T8110] loop2: detected capacity change from 0 to 8192 [ 284.471590][ T8108] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5008] getdents64(3, [pid 8110] <... ioctl resumed>) = 0 [pid 8108] <... mount resumed>) = 0 [pid 8106] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8108] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8106] <... openat resumed>) = 3 [pid 8108] <... openat resumed>) = 3 [pid 8106] chdir("./file0" [pid 8108] chdir("./file0" [pid 8106] <... chdir resumed>) = 0 [pid 8108] <... chdir resumed>) = 0 [pid 8106] ioctl(4, LOOP_CLR_FD [pid 8108] ioctl(4, LOOP_CLR_FD [pid 8106] <... ioctl resumed>) = 0 [pid 8108] <... ioctl resumed>) = 0 [pid 8106] close(4 [pid 8108] close(4 [pid 8106] <... close resumed>) = 0 [pid 8108] <... close resumed>) = 0 [pid 8106] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8108] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8106] <... futex resumed>) = 1 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8104] <... futex resumed>) = 0 [pid 8110] close(3 [pid 8108] <... futex resumed>) = 1 [pid 8106] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8105] <... futex resumed>) = 0 [pid 8104] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8110] <... close resumed>) = 0 [pid 8108] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8105] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8110] mkdir("./file0", 0777 [pid 8108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8106] mkdir("./file1", 000 [pid 8105] <... futex resumed>) = 0 [pid 8110] <... mkdir resumed>) = 0 [pid 8108] mkdir("./file1", 000 [pid 8106] <... mkdir resumed>) = 0 [pid 8105] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8110] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8108] <... mkdir resumed>) = 0 [pid 8106] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8108] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8106] <... futex resumed>) = 0 [pid 8108] <... futex resumed>) = 1 [pid 8106] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8105] <... futex resumed>) = 0 [pid 8108] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8105] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8105] <... futex resumed>) = 0 [pid 8108] mkdir("./bus", 000 [pid 8105] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8108] <... mkdir resumed>) = 0 [pid 8108] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8105] <... futex resumed>) = 0 [pid 8108] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8105] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8105] <... futex resumed>) = 0 [ 284.489311][ T8112] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 284.504774][ T8112] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 284.516781][ T8108] overlayfs: upper fs needs to support d_type. [ 284.519417][ T8112] REISERFS (device loop1): using ordered data mode [pid 8108] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8106] <... futex resumed>) = 0 [pid 8105] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8104] <... futex resumed>) = 1 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8106] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8104] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] lstat("./146/binderfs", [pid 8104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8104] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] unlink("./146/binderfs" [pid 8106] <... futex resumed>) = 0 [pid 8104] <... futex resumed>) = 1 [pid 5008] <... unlink resumed>) = 0 [pid 8106] mkdir("./bus", 000 [pid 8104] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8106] <... mkdir resumed>) = 0 [pid 8106] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8104] <... futex resumed>) = 0 [pid 8106] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 284.523895][ T8110] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 284.530429][ T8112] reiserfs: using flush barriers [ 284.543102][ T8108] overlayfs: upper fs does not support tmpfile. [ 284.554296][ T8112] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.571084][ T8112] REISERFS (device loop1): checking transaction log (loop1) [ 284.578843][ T8110] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 8104] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8105] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8104] <... futex resumed>) = 0 [pid 8106] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8105] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8104] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8105] <... futex resumed>) = 0 [pid 8105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8105] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [ 284.586163][ T8112] REISERFS (device loop1): Using r5 hash to sort names [ 284.588177][ T8110] REISERFS (device loop2): using ordered data mode [ 284.595125][ T8112] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 284.601497][ T8110] reiserfs: using flush barriers [ 284.621853][ T8108] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8105] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8118], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8118 [pid 8105] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8105] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8118 attached [pid 8118] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8118] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8104] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8118] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8104] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [ 284.628957][ T8110] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.649290][ T8106] overlayfs: upper fs needs to support d_type. [ 284.658492][ T8108] overlayfs: failed to resolve './file0': -2 [ 284.664923][ T8106] overlayfs: upper fs does not support tmpfile. [pid 8104] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8104] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8119], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8119 [pid 8104] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8104] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8119 attached [pid 8119] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8119] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8119] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8108] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 284.695830][ T8110] REISERFS (device loop2): checking transaction log (loop2) [ 284.703565][ T8118] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 284.716071][ T8110] REISERFS (device loop2): Using r5 hash to sort names [ 284.724213][ T8112] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 284.728454][ T8106] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8108] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8112] <... mount resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 8112] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8108] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8118] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8110] <... mount resumed>) = 0 [pid 8112] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8118] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8119] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8112] chdir("./file0" [pid 8110] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8118] <... futex resumed>) = 1 [pid 8112] <... chdir resumed>) = 0 [pid 8110] <... openat resumed>) = 3 [pid 8105] <... futex resumed>) = 0 [pid 5008] lstat("./146/file0", [pid 8119] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8118] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8112] ioctl(4, LOOP_CLR_FD [pid 8110] chdir("./file0" [pid 8106] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8105] exit_group(0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8119] <... futex resumed>) = 1 [pid 8118] <... futex resumed>) = ? [pid 8112] <... ioctl resumed>) = 0 [pid 8110] <... chdir resumed>) = 0 [pid 8108] <... futex resumed>) = ? [pid 8106] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8105] <... exit_group resumed>) = ? [pid 8104] <... futex resumed>) = 0 [pid 5008] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8119] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8118] +++ exited with 0 +++ [pid 8112] close(4 [pid 8110] ioctl(4, LOOP_CLR_FD [pid 8108] +++ exited with 0 +++ [pid 8106] <... futex resumed>) = 0 [pid 8105] +++ exited with 0 +++ [pid 8104] exit_group(0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8112] <... close resumed>) = 0 [pid 8110] <... ioctl resumed>) = 0 [pid 8104] <... exit_group resumed>) = ? [pid 8106] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8105, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...> [pid 8119] <... futex resumed>) = ? [pid 8112] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8110] close(4 [pid 5012] <... restart_syscall resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./146/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8119] +++ exited with 0 +++ [pid 8104] +++ exited with 0 +++ [pid 8112] <... futex resumed>) = 1 [pid 8110] <... close resumed>) = 0 [pid 8109] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8104, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5008] <... openat resumed>) = 4 [pid 8112] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8110] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8109] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(4, [pid 8112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8110] <... futex resumed>) = 1 [pid 8109] <... futex resumed>) = 0 [pid 8107] <... futex resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 284.741765][ T8110] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 284.757793][ T8119] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 284.759074][ T8110] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 284.782984][ T8106] overlayfs: failed to resolve './file0': -2 [pid 8112] mkdir("./file1", 000 [pid 8110] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8109] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8107] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(3, [pid 5011] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(4, [pid 8112] <... mkdir resumed>) = 0 [pid 8110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8107] <... futex resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8112] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8110] mkdir("./file1", 000 [pid 8107] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] getdents64(3, [pid 5011] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8112] <... futex resumed>) = 1 [pid 8110] <... mkdir resumed>) = 0 [pid 8109] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] <... openat resumed>) = 3 [pid 5008] getdents64(4, [pid 8112] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8110] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8109] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] fstat(3, [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8110] <... futex resumed>) = 1 [pid 8109] <... futex resumed>) = 0 [pid 8107] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] close(4 [pid 8112] mkdir("./bus", 000 [pid 8110] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8109] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8107] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] lstat("./148/binderfs", [pid 5011] getdents64(3, [pid 5008] <... close resumed>) = 0 [pid 8112] <... mkdir resumed>) = 0 [pid 8110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8107] <... futex resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] rmdir("./146/file0" [pid 8112] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8110] mkdir("./bus", 000 [pid 8107] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] unlink("./148/binderfs" [pid 5011] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8112] <... futex resumed>) = 1 [pid 8110] <... mkdir resumed>) = 0 [pid 8109] <... futex resumed>) = 0 [pid 5012] <... unlink resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... rmdir resumed>) = 0 [pid 8112] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8110] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8109] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] lstat("./147/binderfs", [pid 5008] getdents64(3, [pid 8112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8110] <... futex resumed>) = 1 [pid 8109] <... futex resumed>) = 0 [pid 8107] <... futex resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8112] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8110] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8109] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8107] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] unlink("./147/binderfs" [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8107] <... futex resumed>) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5008] close(3 [pid 5011] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8107] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./146") = 0 [pid 5008] mkdir("./147", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 284.873372][ T8110] overlayfs: upper fs needs to support d_type. [ 284.881030][ T8112] overlayfs: upper fs needs to support d_type. [ 284.884380][ T8110] overlayfs: upper fs does not support tmpfile. [pid 5008] close(3) = 0 [pid 8109] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8109] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8109] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8109] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8120], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8120 [pid 8109] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8109] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8120 attached , child_tidptr=0x555556dec5d0) = 8121 [pid 8107] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8107] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8120] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8120] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8120] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8107] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8107] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8122], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8122 [pid 8107] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8107] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8121 attached [pid 8121] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8121] chdir("./147") = 0 [pid 8121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8121] setpgid(0, 0) = 0 [ 284.918944][ T8110] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 284.931744][ T8112] overlayfs: upper fs does not support tmpfile. [pid 8121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8121] write(3, "1000", 4) = 4 [pid 8121] close(3) = 0 [pid 8121] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 8122 attached ) = 0 [pid 8122] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8122] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8121] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8110] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8121] <... futex resumed>) = 0 [pid 8110] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8122] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8110] <... futex resumed>) = 0 [pid 8121] <... mmap resumed>) = 0x7f76b0b56000 [pid 8110] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8121] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8121] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8123], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8123 [pid 8121] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8121] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8123 attached [pid 5012] <... umount2 resumed>) = 0 [ 284.976662][ T8110] overlayfs: failed to resolve './file0': -2 [ 284.986079][ T8120] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8120] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5012] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = 0 [pid 8123] set_robust_list(0x7f76b0b769e0, 24 [pid 8122] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8120] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8123] <... set_robust_list resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8120] <... futex resumed>) = 1 [pid 8109] <... futex resumed>) = 0 [pid 8123] memfd_create("syzkaller", 0 [pid 8120] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8122] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] lstat("./148/file0", [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8123] <... memfd_create resumed>) = 3 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8122] <... futex resumed>) = 1 [pid 8107] <... futex resumed>) = 0 [pid 5012] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] lstat("./147/file0", [pid 8107] exit_group(0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8112] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8110] <... futex resumed>) = ? [pid 8107] <... exit_group resumed>) = ? [pid 5012] openat(AT_FDCWD, "./148/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8123] <... mmap resumed>) = 0x7f76a8756000 [pid 8122] +++ exited with 0 +++ [pid 8110] +++ exited with 0 +++ [pid 5011] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8112] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8107] +++ exited with 0 +++ [pid 5012] <... openat resumed>) = 4 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] fstat(4, [pid 5011] openat(AT_FDCWD, "./147/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8107, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... openat resumed>) = 4 [pid 8109] exit_group(0 [pid 5012] getdents64(4, [pid 5011] fstat(4, [pid 8120] <... futex resumed>) = ? [pid 8109] <... exit_group resumed>) = ? [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8120] +++ exited with 0 +++ [pid 5012] getdents64(4, [pid 5011] getdents64(4, [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8112] <... futex resumed>) = ? [pid 5012] close(4 [pid 5011] getdents64(4, [pid 5012] <... close resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] rmdir("./148/file0" [pid 5011] close(4 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8112] +++ exited with 0 +++ [pid 8109] +++ exited with 0 +++ [pid 5012] <... rmdir resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] getdents64(3, [pid 5011] rmdir("./147/file0" [pid 5010] <... openat resumed>) = 3 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8109, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5010] fstat(3, [pid 5012] close(3 [pid 5011] getdents64(3, [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... close resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] getdents64(3, [pid 5012] rmdir("./148" [pid 5011] close(3 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... rmdir resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5010] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] mkdir("./149", 0777 [pid 5011] rmdir("./147" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... mkdir resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5010] lstat("./147/binderfs", [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] mkdir("./148", 0777 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5012] <... openat resumed>) = 3 [pid 5011] <... mkdir resumed>) = 0 [pid 5010] unlink("./147/binderfs" [pid 5009] fstat(3, [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5010] <... unlink resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] <... openat resumed>) = 3 [pid 5010] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] close(3 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5009] getdents64(3, [pid 5012] <... close resumed>) = 0 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] close(3) = 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8124 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8125 [ 285.021971][ T8122] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 285.028440][ T8112] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 285.045308][ T8112] overlayfs: failed to resolve './file0': -2 [pid 5009] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8125 attached [pid 8125] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8125] chdir("./148") = 0 [pid 8125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8125] setpgid(0, 0) = 0 [pid 8125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] lstat("./146/binderfs", [pid 8125] <... openat resumed>) = 3 [pid 8125] write(3, "1000", 4 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8125] <... write resumed>) = 4 [pid 8125] close(3) = 0 [pid 8125] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8125] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] unlink("./146/binderfs" [pid 8125] <... futex resumed>) = 0 [pid 8125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 5009] <... unlink resumed>) = 0 [pid 8125] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5009] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8125] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8126], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8126 [pid 8125] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8125] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8126 attached [pid 8126] set_robust_list(0x7f76b0b769e0, 24) = 0 ./strace-static-x86_64: Process 8124 attached [pid 8124] set_robust_list(0x555556dec5e0, 24 [pid 8126] memfd_create("syzkaller", 0) = 3 [pid 8126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8124] <... set_robust_list resumed>) = 0 [pid 8126] <... mmap resumed>) = 0x7f76a8756000 [pid 8124] chdir("./149") = 0 [pid 8124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8124] setpgid(0, 0) = 0 [pid 8124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8123] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8124] write(3, "1000", 4) = 4 [pid 8124] close(3) = 0 [pid 8124] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8124] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8124] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8124] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8127], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8127 [pid 8124] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8124] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8127 attached [pid 8127] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8127] memfd_create("syzkaller", 0) = 3 [pid 8127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5010] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./147/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./147/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./147/file0") = 0 [pid 8126] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./147") = 0 [pid 5010] mkdir("./148", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8128 ./strace-static-x86_64: Process 8128 attached [pid 8128] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8128] chdir("./148") = 0 [pid 8127] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8123] <... write resumed>) = 4194304 [pid 8128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... umount2 resumed>) = 0 [pid 5009] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./146/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./146/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8128] <... prctl resumed>) = 0 [pid 8123] munmap(0x7f76a8756000, 4194304 [pid 8128] setpgid(0, 0 [pid 8123] <... munmap resumed>) = 0 [pid 8128] <... setpgid resumed>) = 0 [pid 8123] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8123] <... openat resumed>) = 4 [pid 8128] <... openat resumed>) = 3 [pid 8123] ioctl(4, LOOP_SET_FD, 3 [pid 8128] write(3, "1000", 4 [pid 5009] <... openat resumed>) = 4 [pid 8128] <... write resumed>) = 4 [pid 5009] fstat(4, [pid 8128] close(3 [pid 8123] <... ioctl resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8128] <... close resumed>) = 0 [pid 8123] close(3 [pid 5009] getdents64(4, [pid 8128] symlink("/dev/binderfs", "./binderfs" [pid 8123] <... close resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8128] <... symlink resumed>) = 0 [pid 8123] mkdir("./file0", 0777 [pid 8128] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] getdents64(4, [pid 8128] <... futex resumed>) = 0 [pid 8123] <... mkdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8123] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] close(4 [pid 8128] <... mmap resumed>) = 0x7f76b0b56000 [pid 5009] <... close resumed>) = 0 [pid 8128] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] rmdir("./146/file0" [pid 8128] <... mprotect resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 8128] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8128] <... clone resumed>, parent_tid=[8130], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8130 [pid 5009] close(3) = 0 [pid 5009] rmdir("./146") = 0 [pid 5009] mkdir("./147", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 8130 attached [pid 5009] close(3 [pid 8130] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] <... close resumed>) = 0 [pid 8130] <... set_robust_list resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8130] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8131 [pid 8128] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8130] <... futex resumed>) = 0 [pid 8128] <... futex resumed>) = 1 [pid 8130] memfd_create("syzkaller", 0 [pid 8128] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8131 attached [pid 8130] <... memfd_create resumed>) = 3 [pid 8131] set_robust_list(0x555556dec5e0, 24 [pid 8130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8131] <... set_robust_list resumed>) = 0 [pid 8130] <... mmap resumed>) = 0x7f76a8756000 [ 285.314407][ T8123] loop0: detected capacity change from 0 to 8192 [ 285.342018][ T8123] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8131] chdir("./147") = 0 [pid 8131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8131] setpgid(0, 0) = 0 [pid 8131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8131] write(3, "1000", 4) = 4 [pid 8131] close(3) = 0 [pid 8131] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8131] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8131] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8127] <... write resumed>) = 4194304 [pid 8126] <... write resumed>) = 4194304 [pid 8131] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8132], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8132 [pid 8131] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8127] munmap(0x7f76a8756000, 4194304 [pid 8131] <... futex resumed>) = 0 [pid 8131] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8132 attached [pid 8132] set_robust_list(0x7f76b0b769e0, 24 [pid 8127] <... munmap resumed>) = 0 [pid 8132] <... set_robust_list resumed>) = 0 [pid 8127] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8132] memfd_create("syzkaller", 0) = 3 [ 285.386550][ T8123] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 285.403194][ T8123] REISERFS (device loop0): using ordered data mode [ 285.410193][ T8123] reiserfs: using flush barriers [pid 8132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8127] <... openat resumed>) = 4 [pid 8127] ioctl(4, LOOP_SET_FD, 3 [pid 8126] munmap(0x7f76a8756000, 4194304 [pid 8127] <... ioctl resumed>) = 0 [pid 8126] <... munmap resumed>) = 0 [pid 8126] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8127] close(3 [pid 8126] ioctl(4, LOOP_SET_FD, 3 [pid 8127] <... close resumed>) = 0 [pid 8127] mkdir("./file0", 0777) = 0 [ 285.421061][ T8123] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 285.438376][ T8123] REISERFS (device loop0): checking transaction log (loop0) [ 285.446784][ T8127] loop4: detected capacity change from 0 to 8192 [ 285.454789][ T8123] REISERFS (device loop0): Using r5 hash to sort names [ 285.462863][ T8123] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 285.465342][ T8126] loop3: detected capacity change from 0 to 8192 [pid 8127] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8123] <... mount resumed>) = 0 [pid 8130] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8126] <... ioctl resumed>) = 0 [pid 8123] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8126] close(3 [pid 8123] <... openat resumed>) = 3 [pid 8126] <... close resumed>) = 0 [pid 8123] chdir("./file0" [pid 8126] mkdir("./file0", 0777 [pid 8123] <... chdir resumed>) = 0 [pid 8126] <... mkdir resumed>) = 0 [pid 8123] ioctl(4, LOOP_CLR_FD [pid 8126] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8123] <... ioctl resumed>) = 0 [pid 8132] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8123] close(4) = 0 [ 285.476510][ T8123] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 285.495335][ T8127] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.511783][ T8127] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8123] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8121] <... futex resumed>) = 0 [pid 8123] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8121] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8121] <... futex resumed>) = 0 [pid 8123] mkdir("./file1", 000 [pid 8121] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8123] <... mkdir resumed>) = 0 [pid 8123] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8121] <... futex resumed>) = 0 [pid 8123] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8121] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8121] <... futex resumed>) = 0 [pid 8123] mkdir("./bus", 000 [pid 8121] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8123] <... mkdir resumed>) = 0 [pid 8123] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8121] <... futex resumed>) = 0 [ 285.540440][ T8126] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.553708][ T8127] REISERFS (device loop4): using ordered data mode [pid 8123] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 8121] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8123] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8121] <... futex resumed>) = 0 [ 285.581331][ T8126] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 285.583264][ T8127] reiserfs: using flush barriers [ 285.597734][ T8127] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 285.607673][ T8123] overlayfs: upper fs needs to support d_type. [ 285.614598][ T8126] REISERFS (device loop3): using ordered data mode [pid 8121] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8130] <... write resumed>) = 4194304 [pid 8121] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8130] munmap(0x7f76a8756000, 4194304 [pid 8121] <... futex resumed>) = 0 [pid 8130] <... munmap resumed>) = 0 [pid 8121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [ 285.627273][ T8126] reiserfs: using flush barriers [ 285.633112][ T8127] REISERFS (device loop4): checking transaction log (loop4) [ 285.641011][ T8126] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 285.657832][ T8126] REISERFS (device loop3): checking transaction log (loop3) [ 285.665584][ T8123] overlayfs: upper fs does not support tmpfile. [ 285.672514][ T8123] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8121] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8121] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8130] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8121] <... clone resumed>, parent_tid=[8135], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8135 [pid 8130] <... openat resumed>) = 4 [pid 8121] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8130] ioctl(4, LOOP_SET_FD, 3 [pid 8121] <... futex resumed>) = 0 [pid 8121] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8135 attached [pid 8135] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8135] mkdir(".", 0777) = -1 EEXIST (File exists) [ 285.681169][ T8126] REISERFS (device loop3): Using r5 hash to sort names [ 285.684911][ T8130] loop2: detected capacity change from 0 to 8192 [ 285.694820][ T8126] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 285.710277][ T8127] REISERFS (device loop4): Using r5 hash to sort names [ 285.711008][ T8123] overlayfs: failed to resolve './file0': -2 [pid 8135] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8130] <... ioctl resumed>) = 0 [pid 8130] close(3) = 0 [pid 8130] mkdir("./file0", 0777 [pid 8132] <... write resumed>) = 4194304 [pid 8130] <... mkdir resumed>) = 0 [pid 8130] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8126] <... mount resumed>) = 0 [pid 8126] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8126] chdir("./file0") = 0 [pid 8126] ioctl(4, LOOP_CLR_FD) = 0 [pid 8126] close(4) = 0 [pid 8126] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8125] <... futex resumed>) = 0 [pid 8126] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8125] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8125] <... futex resumed>) = 0 [pid 8126] mkdir("./file1", 000 [pid 8125] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8126] <... mkdir resumed>) = 0 [pid 8126] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8125] <... futex resumed>) = 0 [pid 8126] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8125] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8125] <... futex resumed>) = 0 [pid 8126] mkdir("./bus", 000 [pid 8125] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8123] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8126] <... mkdir resumed>) = 0 [pid 8123] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8126] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8123] <... futex resumed>) = 0 [pid 8126] <... futex resumed>) = 1 [pid 8125] <... futex resumed>) = 0 [pid 8123] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8126] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8125] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8125] <... futex resumed>) = 0 [pid 8126] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 285.723879][ T8126] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 285.741208][ T8127] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 285.762862][ T8126] overlayfs: upper fs needs to support d_type. [ 285.767246][ T8135] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8125] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8132] munmap(0x7f76a8756000, 4194304) = 0 [pid 8135] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8135] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8132] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8135] <... futex resumed>) = 1 [pid 8121] <... futex resumed>) = 0 [pid 8132] <... openat resumed>) = 4 [pid 8135] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8121] exit_group(0 [pid 8135] <... futex resumed>) = ? [pid 8132] ioctl(4, LOOP_SET_FD, 3 [pid 8127] <... mount resumed>) = 0 [pid 8123] <... futex resumed>) = ? [pid 8121] <... exit_group resumed>) = ? [pid 8123] +++ exited with 0 +++ [pid 8135] +++ exited with 0 +++ [pid 8127] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8125] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8121] +++ exited with 0 +++ [pid 8125] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8125] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8125] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8127] <... openat resumed>) = 3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8121, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 8125] <... clone resumed>, parent_tid=[8137], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8137 [pid 8125] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8127] chdir("./file0" [pid 8125] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8127] <... chdir resumed>) = 0 [pid 8127] ioctl(4, LOOP_CLR_FD [pid 8132] <... ioctl resumed>) = 0 [pid 8132] close(3) = 0 [ 285.770493][ T8126] overlayfs: upper fs does not support tmpfile. [ 285.795870][ T8127] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 285.808098][ T8126] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 285.815962][ T8132] loop1: detected capacity change from 0 to 8192 [ 285.817800][ T8126] overlayfs: failed to resolve './file0': -2 [pid 8132] mkdir("./file0", 0777) = 0 [pid 8132] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8137 attached [pid 8137] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8137] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8137] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8127] <... ioctl resumed>) = 0 [pid 8127] close(4 [pid 5008] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8127] <... close resumed>) = 0 [pid 8126] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8126] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8126] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8127] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8127] <... futex resumed>) = 1 [pid 8124] <... futex resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8127] mkdir("./file1", 000 [pid 8124] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 3 [pid 8127] <... mkdir resumed>) = 0 [pid 8124] <... futex resumed>) = 0 [pid 5008] fstat(3, [pid 8127] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8127] <... futex resumed>) = 0 [pid 8124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8124] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8124] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8127] mkdir("./bus", 000 [pid 5008] getdents64(3, [pid 8127] <... mkdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8127] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8127] <... futex resumed>) = 1 [pid 8124] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8127] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8124] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] lstat("./147/binderfs", [pid 8127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8124] <... futex resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8127] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8124] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] unlink("./147/binderfs") = 0 [ 285.831185][ T8130] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.851221][ T8132] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.865082][ T8132] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5008] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8137] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8124] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8124] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8124] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8124] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8139], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8139 [pid 8124] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8124] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8137] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8125] <... futex resumed>) = 0 [pid 8137] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8125] exit_group(0 [pid 8126] <... futex resumed>) = ? [pid 8125] <... exit_group resumed>) = ? [pid 8126] +++ exited with 0 +++ [ 285.875388][ T8137] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 285.875931][ T8127] overlayfs: upper fs needs to support d_type. [ 285.888783][ T8132] REISERFS (device loop1): using ordered data mode [ 285.902059][ T8130] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 285.913804][ T8130] REISERFS (device loop2): using ordered data mode [ 285.920857][ T8127] overlayfs: upper fs does not support tmpfile. [ 285.926508][ T8130] reiserfs: using flush barriers [pid 8137] <... futex resumed>) = ? ./strace-static-x86_64: Process 8139 attached [ 285.937255][ T8132] reiserfs: using flush barriers [ 285.939901][ T8130] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 285.944617][ T8127] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 285.959770][ T8132] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 285.967154][ T8127] overlayfs: failed to resolve './file0': -2 [pid 8139] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8127] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8139] mkdir(".", 0777 [pid 8137] +++ exited with 0 +++ [pid 8127] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8125] +++ exited with 0 +++ [pid 8139] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8127] <... futex resumed>) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8125, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [ 285.988559][ T8130] REISERFS (device loop2): checking transaction log (loop2) [ 285.997513][ T8132] REISERFS (device loop1): checking transaction log (loop1) [ 286.003310][ T8130] REISERFS (device loop2): Using r5 hash to sort names [ 286.013745][ T8132] REISERFS (device loop1): Using r5 hash to sort names [pid 8139] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8127] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./148/binderfs") = 0 [pid 5011] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8139] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = 0 [ 286.040038][ T8132] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 286.061171][ T8139] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 286.069812][ T8130] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8139] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] <... futex resumed>) = 0 [pid 5008] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8139] <... futex resumed>) = 1 [pid 8124] exit_group(0 [pid 8139] ???( [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8139] <... ??? resumed>) = ? [pid 8127] <... futex resumed>) = ? [pid 8124] <... exit_group resumed>) = ? [pid 5008] lstat("./147/file0", [pid 8139] +++ exited with 0 +++ [pid 8127] +++ exited with 0 +++ [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8132] <... mount resumed>) = 0 [pid 8124] +++ exited with 0 +++ [pid 5008] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8132] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8132] chdir("./file0") = 0 [pid 8132] ioctl(4, LOOP_CLR_FD) = 0 [pid 8132] close(4) = 0 [pid 8132] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8131] <... futex resumed>) = 0 [pid 8132] mkdir("./file1", 000 [pid 8131] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8132] <... mkdir resumed>) = 0 [pid 8131] <... futex resumed>) = 0 [pid 8132] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8131] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8132] <... futex resumed>) = 0 [pid 8131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8132] mkdir("./bus", 000 [pid 8131] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8132] <... mkdir resumed>) = 0 [pid 8131] <... futex resumed>) = 0 [pid 8132] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8131] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8132] <... futex resumed>) = 0 [pid 8131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8132] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8131] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8124, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5008] openat(AT_FDCWD, "./147/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8131] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 4 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(4, [pid 5012] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5008] getdents64(4, [pid 5012] fstat(3, [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, [pid 5012] getdents64(3, [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] close(4 [pid 5012] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] rmdir("./147/file0" [pid 5012] lstat("./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5012] unlink("./149/binderfs" [pid 5008] getdents64(3, [pid 5012] <... unlink resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3) = 0 [pid 5008] rmdir("./147") = 0 [ 286.092192][ T8132] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 286.106417][ T8130] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 286.120456][ T8132] overlayfs: upper fs needs to support d_type. [pid 5008] mkdir("./148", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", 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=0x555556dec5d0) = 8140 [pid 8130] <... mount resumed>) = 0 [pid 8130] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8130] chdir("./file0") = 0 [pid 8130] ioctl(4, LOOP_CLR_FD) = 0 [ 286.143670][ T8132] overlayfs: upper fs does not support tmpfile. [pid 8130] close(4) = 0 [pid 8131] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8130] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8131] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8130] <... futex resumed>) = 1 [pid 8128] <... futex resumed>) = 0 [pid 8131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8130] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8128] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8131] <... mmap resumed>) = 0x7f76a8b35000 [pid 8130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8128] <... futex resumed>) = 0 [pid 8131] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8130] mkdir("./file1", 000 [pid 8128] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8131] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8130] <... mkdir resumed>) = 0 [pid 8131] <... clone resumed>, parent_tid=[8141], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8141 [pid 8130] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8131] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8130] <... futex resumed>) = 1 [pid 8128] <... futex resumed>) = 0 [pid 8131] <... futex resumed>) = 0 [pid 8130] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8128] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8140 attached [pid 8131] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8128] <... futex resumed>) = 0 [pid 8130] mkdir("./bus", 000 [pid 8128] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8141 attached [pid 8140] set_robust_list(0x555556dec5e0, 24 [pid 8130] <... mkdir resumed>) = 0 [pid 8130] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8128] <... futex resumed>) = 0 [pid 8130] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8128] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8140] <... set_robust_list resumed>) = 0 [pid 8141] set_robust_list(0x7f76a8b559e0, 24 [pid 8140] chdir("./148" [pid 8130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8128] <... futex resumed>) = 0 [pid 8141] <... set_robust_list resumed>) = 0 [pid 8140] <... chdir resumed>) = 0 [pid 8130] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8141] mkdir(".", 0777 [pid 8140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8128] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8141] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8140] <... prctl resumed>) = 0 [pid 8141] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8140] setpgid(0, 0) = 0 [pid 8140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8140] write(3, "1000", 4) = 4 [pid 8140] close(3) = 0 [pid 8140] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8140] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 286.185922][ T8132] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 286.217680][ T8130] overlayfs: upper fs needs to support d_type. [pid 8140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8140] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8140] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8142], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8142 [pid 8140] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8140] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8142 attached [pid 8142] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8142] memfd_create("syzkaller", 0) = 3 [pid 8142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./148/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./148/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4 [pid 8128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8128] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8128] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5011] <... close resumed>) = 0 [pid 8128] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] rmdir("./148/file0" [pid 8128] <... clone resumed>, parent_tid=[8143], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8143 [pid 8128] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8128] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 8143 attached [pid 5011] getdents64(3, [pid 8143] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8143] mkdir(".", 0777 [pid 5011] close(3 [pid 8143] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5011] <... close resumed>) = 0 [ 286.230049][ T8141] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 286.244853][ T8130] overlayfs: upper fs does not support tmpfile. [ 286.261944][ T8130] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8143] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8141] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5011] rmdir("./148" [pid 8141] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... rmdir resumed>) = 0 [pid 8141] <... futex resumed>) = 1 [pid 8131] <... futex resumed>) = 0 [pid 5011] mkdir("./149", 0777 [pid 8141] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] <... mkdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 286.283912][ T8132] overlayfs: failed to resolve './file0': -2 [pid 5012] <... umount2 resumed>) = 0 [pid 5011] close(3 [pid 5012] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8144 [pid 8132] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8132] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] lstat("./149/file0", [pid 8132] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8131] exit_group(0 [pid 5012] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8144 attached [pid 8141] <... futex resumed>) = ? [pid 8132] <... futex resumed>) = ? [pid 8131] <... exit_group resumed>) = ? [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8144] set_robust_list(0x555556dec5e0, 24 [pid 8141] +++ exited with 0 +++ [pid 8132] +++ exited with 0 +++ [pid 8131] +++ exited with 0 +++ [pid 5012] openat(AT_FDCWD, "./149/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8144] <... set_robust_list resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 8144] chdir("./149" [pid 5012] fstat(4, [pid 8144] <... chdir resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8131, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 8144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, [pid 5009] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8144] <... prctl resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8144] setpgid(0, 0 [pid 5012] getdents64(4, [pid 5009] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8144] <... setpgid resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... openat resumed>) = 3 [pid 8144] <... openat resumed>) = 3 [pid 5012] close(4 [pid 5009] fstat(3, [pid 8144] write(3, "1000", 4) = 4 [pid 5012] <... close resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8144] close(3 [pid 5012] rmdir("./149/file0" [pid 8144] <... close resumed>) = 0 [pid 5009] getdents64(3, [pid 8144] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8144] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(3, [pid 8144] <... futex resumed>) = 0 [pid 5009] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] close(3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8144] <... mmap resumed>) = 0x7f76b0b56000 [pid 5012] <... close resumed>) = 0 [pid 5009] lstat("./147/binderfs", [pid 8144] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5012] rmdir("./149" [pid 8144] <... mprotect resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8144] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... rmdir resumed>) = 0 [ 286.313919][ T8143] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5009] unlink("./147/binderfs" [pid 5012] mkdir("./150", 0777 [pid 8144] <... clone resumed>, parent_tid=[8145], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8145 [pid 5009] <... unlink resumed>) = 0 [pid 8144] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5009] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8144] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8143] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... openat resumed>) = 3 [pid 8143] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8143] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8145 attached [pid 8145] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8145] memfd_create("syzkaller", 0) = 3 [pid 8145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8128] <... futex resumed>) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8146 [pid 8142] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 8146 attached [pid 8146] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8130] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8146] chdir("./150" [pid 8130] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8146] <... chdir resumed>) = 0 [pid 8146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8130] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8128] exit_group(0 [pid 8146] <... prctl resumed>) = 0 [pid 8146] setpgid(0, 0 [pid 8143] <... futex resumed>) = ? [pid 8130] <... futex resumed>) = ? [pid 8128] <... exit_group resumed>) = ? [pid 8146] <... setpgid resumed>) = 0 [pid 8143] +++ exited with 0 +++ [pid 8146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8146] write(3, "1000", 4) = 4 [pid 8146] close(3) = 0 [pid 8146] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8130] +++ exited with 0 +++ [pid 8128] +++ exited with 0 +++ [pid 8146] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8128, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 8146] <... futex resumed>) = 0 [pid 8146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8146] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8146] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8147], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8147 [pid 8146] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 286.379190][ T8130] overlayfs: failed to resolve './file0': -2 [pid 8146] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, ./strace-static-x86_64: Process 8147 attached [pid 8147] set_robust_list(0x7f76b0b769e0, 24 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8147] <... set_robust_list resumed>) = 0 [pid 5010] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8147] memfd_create("syzkaller", 0) = 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5010] lstat("./148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./148/binderfs") = 0 [pid 5010] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8145] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8147] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... umount2 resumed>) = 0 [pid 8142] <... write resumed>) = 4194304 [pid 8142] munmap(0x7f76a8756000, 4194304 [pid 5009] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8142] <... munmap resumed>) = 0 [pid 5010] <... umount2 resumed>) = 0 [pid 8142] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5009] lstat("./147/file0", [pid 8145] <... write resumed>) = 4194304 [pid 8142] <... openat resumed>) = 4 [pid 5010] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8145] munmap(0x7f76a8756000, 4194304 [pid 8142] ioctl(4, LOOP_SET_FD, 3 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./147/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8145] <... munmap resumed>) = 0 [pid 5009] <... openat resumed>) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./147/file0") = 0 [pid 5009] getdents64(3, [pid 5010] lstat("./148/file0", [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8145] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] close(3 [pid 8145] <... openat resumed>) = 4 [pid 5010] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... close resumed>) = 0 [pid 8145] ioctl(4, LOOP_SET_FD, 3 [pid 8142] <... ioctl resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] rmdir("./147") = 0 [pid 5009] mkdir("./148", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3 [pid 8147] <... write resumed>) = 4194304 [pid 8145] <... ioctl resumed>) = 0 [pid 8142] close(3 [pid 5010] openat(AT_FDCWD, "./148/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... close resumed>) = 0 [pid 8147] munmap(0x7f76a8756000, 4194304 [pid 8145] close(3 [pid 8142] <... close resumed>) = 0 [pid 5010] <... openat resumed>) = 4 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8147] <... munmap resumed>) = 0 [pid 8145] <... close resumed>) = 0 [pid 8142] mkdir("./file0", 0777 [pid 5010] fstat(4, [pid 8147] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8145] mkdir("./file0", 0777 [pid 8142] <... mkdir resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 8148 attached [pid 8147] <... openat resumed>) = 4 [pid 8145] <... mkdir resumed>) = 0 [pid 8142] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5010] getdents64(4, [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8148 [pid 8148] set_robust_list(0x555556dec5e0, 24 [ 286.623895][ T8142] loop0: detected capacity change from 0 to 8192 [ 286.634154][ T8145] loop3: detected capacity change from 0 to 8192 [pid 8147] ioctl(4, LOOP_SET_FD, 3 [pid 8145] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8148] <... set_robust_list resumed>) = 0 [pid 8148] chdir("./148") = 0 [pid 8148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8148] setpgid(0, 0) = 0 [pid 8148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8148] write(3, "1000", 4) = 4 [pid 8148] close(3) = 0 [pid 8148] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8148] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8148] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5010] getdents64(4, [pid 8148] <... mprotect resumed>) = 0 [pid 8148] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8150], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8150 [pid 8148] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8148] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8150 attached [pid 8150] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8147] <... ioctl resumed>) = 0 [pid 5010] close(4 [pid 8150] memfd_create("syzkaller", 0) = 3 [pid 8150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5010] <... close resumed>) = 0 [pid 8147] close(3 [pid 5010] rmdir("./148/file0" [pid 8147] <... close resumed>) = 0 [ 286.669736][ T8142] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 286.683216][ T8147] loop4: detected capacity change from 0 to 8192 [ 286.692691][ T8145] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 286.707027][ T8145] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 8147] mkdir("./file0", 0777 [pid 5010] <... rmdir resumed>) = 0 [pid 5010] getdents64(3, [pid 8147] <... mkdir resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3 [pid 8147] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./148") = 0 [pid 5010] mkdir("./149", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 8150] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] <... close resumed>) = 0 [ 286.709284][ T8142] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 286.740295][ T8142] REISERFS (device loop0): using ordered data mode [ 286.755779][ T8142] reiserfs: using flush barriers [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8153 ./strace-static-x86_64: Process 8153 attached [pid 8153] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8153] chdir("./149") = 0 [pid 8153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8153] setpgid(0, 0) = 0 [pid 8153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8153] write(3, "1000", 4) = 4 [pid 8153] close(3) = 0 [pid 8153] symlink("/dev/binderfs", "./binderfs") = 0 [ 286.761009][ T8147] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 286.774862][ T8147] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 286.780286][ T8142] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 286.784381][ T8147] REISERFS (device loop4): using ordered data mode [ 286.808602][ T8147] reiserfs: using flush barriers [ 286.811870][ T8145] REISERFS (device loop3): using ordered data mode [pid 8153] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8153] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8153] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8154], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8154 [pid 8153] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8153] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8154 attached [ 286.815976][ T8142] REISERFS (device loop0): checking transaction log (loop0) [ 286.827883][ T8147] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 286.855399][ T8145] reiserfs: using flush barriers [ 286.856891][ T8142] REISERFS (device loop0): Using r5 hash to sort names [pid 8154] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8150] <... write resumed>) = 4194304 [pid 8150] munmap(0x7f76a8756000, 4194304) = 0 [pid 8150] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8150] ioctl(4, LOOP_SET_FD, 3 [pid 8154] memfd_create("syzkaller", 0) = 3 [pid 8154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 286.863175][ T8147] REISERFS (device loop4): checking transaction log (loop4) [ 286.874921][ T8145] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 286.884044][ T8150] loop1: detected capacity change from 0 to 8192 [ 286.891760][ T8145] REISERFS (device loop3): checking transaction log (loop3) [ 286.906106][ T8142] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8150] <... ioctl resumed>) = 0 [pid 8150] close(3) = 0 [pid 8150] mkdir("./file0", 0777) = 0 [pid 8150] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8142] <... mount resumed>) = 0 [pid 8145] <... mount resumed>) = 0 [ 286.911903][ T8147] REISERFS (device loop4): Using r5 hash to sort names [ 286.919798][ T8145] REISERFS (device loop3): Using r5 hash to sort names [ 286.933678][ T8145] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 286.947184][ T8142] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 286.956831][ T8145] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8145] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8142] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8154] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8145] <... openat resumed>) = 3 [pid 8145] chdir("./file0" [pid 8142] <... openat resumed>) = 3 [pid 8147] <... mount resumed>) = 0 [pid 8145] <... chdir resumed>) = 0 [pid 8142] chdir("./file0" [pid 8147] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8145] ioctl(4, LOOP_CLR_FD [pid 8142] <... chdir resumed>) = 0 [pid 8147] <... openat resumed>) = 3 [pid 8142] ioctl(4, LOOP_CLR_FD [pid 8145] <... ioctl resumed>) = 0 [pid 8142] <... ioctl resumed>) = 0 [pid 8147] chdir("./file0" [pid 8145] close(4 [pid 8142] close(4 [pid 8147] <... chdir resumed>) = 0 [pid 8145] <... close resumed>) = 0 [ 286.967754][ T8147] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 286.974188][ T8150] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 286.980888][ T8147] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 287.003950][ T8150] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8147] ioctl(4, LOOP_CLR_FD [pid 8145] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8142] <... close resumed>) = 0 [pid 8147] <... ioctl resumed>) = 0 [pid 8145] <... futex resumed>) = 1 [pid 8144] <... futex resumed>) = 0 [pid 8142] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8147] close(4 [pid 8145] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8144] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8142] <... futex resumed>) = 1 [pid 8140] <... futex resumed>) = 0 [pid 8147] <... close resumed>) = 0 [pid 8145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8144] <... futex resumed>) = 0 [pid 8142] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8140] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8147] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8145] mkdir("./file1", 000 [pid 8144] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8140] <... futex resumed>) = 0 [pid 8147] <... futex resumed>) = 1 [pid 8146] <... futex resumed>) = 0 [pid 8147] mkdir("./file1", 000 [pid 8146] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8145] <... mkdir resumed>) = 0 [pid 8142] mkdir("./file1", 000 [pid 8140] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8147] <... mkdir resumed>) = 0 [pid 8146] <... futex resumed>) = 0 [pid 8145] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8142] <... mkdir resumed>) = 0 [pid 8147] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8146] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8145] <... futex resumed>) = 1 [pid 8144] <... futex resumed>) = 0 [pid 8142] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8147] <... futex resumed>) = 0 [pid 8146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8145] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8144] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8142] <... futex resumed>) = 1 [pid 8140] <... futex resumed>) = 0 [pid 8147] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8146] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8144] <... futex resumed>) = 0 [pid 8142] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8140] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8146] <... futex resumed>) = 0 [pid 8145] mkdir("./bus", 000 [pid 8144] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8140] <... futex resumed>) = 0 [pid 8147] mkdir("./bus", 000 [pid 8146] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8145] <... mkdir resumed>) = 0 [pid 8142] mkdir("./bus", 000 [pid 8140] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8147] <... mkdir resumed>) = 0 [pid 8145] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8142] <... mkdir resumed>) = 0 [pid 8147] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8145] <... futex resumed>) = 1 [pid 8144] <... futex resumed>) = 0 [pid 8142] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8147] <... futex resumed>) = 1 [pid 8146] <... futex resumed>) = 0 [pid 8145] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8144] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8142] <... futex resumed>) = 1 [pid 8140] <... futex resumed>) = 0 [pid 8147] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8146] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8144] <... futex resumed>) = 0 [pid 8142] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8140] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8146] <... futex resumed>) = 0 [pid 8145] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8144] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8140] <... futex resumed>) = 0 [pid 8147] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8146] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8142] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 287.016272][ T8150] REISERFS (device loop1): using ordered data mode [ 287.023612][ T8150] reiserfs: using flush barriers [ 287.059107][ T8145] overlayfs: upper fs needs to support d_type. [pid 8140] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8144] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8144] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8144] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8144] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8156], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8156 [pid 8144] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8144] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8146] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8140] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8146] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8140] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8156 attached [pid 8146] <... futex resumed>) = 0 [pid 8140] <... futex resumed>) = 0 [pid 8146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8156] set_robust_list(0x7f76a8b559e0, 24 [pid 8146] <... mmap resumed>) = 0x7f76a8b35000 [pid 8140] <... mmap resumed>) = 0x7f76a8b35000 [pid 8146] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8140] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8156] <... set_robust_list resumed>) = 0 [pid 8146] <... mprotect resumed>) = 0 [pid 8140] <... mprotect resumed>) = 0 [pid 8146] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8140] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8156] mkdir(".", 0777 [pid 8146] <... clone resumed>, parent_tid=[8157], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8157 [pid 8140] <... clone resumed>, parent_tid=[8158], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8158 [pid 8146] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8140] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8146] <... futex resumed>) = 0 [pid 8140] <... futex resumed>) = 0 [ 287.067086][ T8150] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 287.067948][ T8142] overlayfs: upper fs needs to support d_type. [ 287.084762][ T8150] REISERFS (device loop1): checking transaction log (loop1) [ 287.090846][ T8147] overlayfs: upper fs needs to support d_type. ./strace-static-x86_64: Process 8158 attached ./strace-static-x86_64: Process 8157 attached [pid 8156] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8154] <... write resumed>) = 4194304 [pid 8146] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8140] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8158] set_robust_list(0x7f76a8b559e0, 24 [pid 8157] set_robust_list(0x7f76a8b559e0, 24 [pid 8158] <... set_robust_list resumed>) = 0 [pid 8157] <... set_robust_list resumed>) = 0 [pid 8158] mkdir(".", 0777 [pid 8157] mkdir(".", 0777 [pid 8158] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8157] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8158] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8157] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8156] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8154] munmap(0x7f76a8756000, 4194304) = 0 [ 287.133294][ T8145] overlayfs: upper fs does not support tmpfile. [ 287.135368][ T8142] overlayfs: upper fs does not support tmpfile. [ 287.145365][ T8147] overlayfs: upper fs does not support tmpfile. [ 287.146912][ T8142] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 287.152907][ T8147] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 287.160901][ T8142] overlayfs: failed to resolve './file0': -2 [pid 8154] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8154] ioctl(4, LOOP_SET_FD, 3) = 0 [ 287.193540][ T8158] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 287.195375][ T8156] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 287.206928][ T8157] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 287.236775][ T8154] loop2: detected capacity change from 0 to 8192 [pid 8154] close(3 [pid 8158] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8158] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8140] <... futex resumed>) = 0 [pid 8158] <... futex resumed>) = 1 [pid 8158] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8154] <... close resumed>) = 0 [pid 8157] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8157] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8146] <... futex resumed>) = 0 [pid 8157] <... futex resumed>) = 1 [pid 8157] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8154] mkdir("./file0", 0777) = 0 [pid 8154] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8156] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8156] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8144] <... futex resumed>) = 0 [pid 8156] <... futex resumed>) = 1 [pid 8156] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8142] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8147] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8142] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8140] exit_group(0 [pid 8142] <... futex resumed>) = 0 [pid 8158] <... futex resumed>) = ? [pid 8147] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8140] <... exit_group resumed>) = ? [pid 8142] +++ exited with 0 +++ [ 287.245802][ T8150] REISERFS (device loop1): Using r5 hash to sort names [ 287.252310][ T8147] overlayfs: failed to resolve './file0': -2 [ 287.253602][ T8150] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 287.265423][ T8145] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8158] +++ exited with 0 +++ [pid 8147] <... futex resumed>) = 0 [pid 8146] exit_group(0 [pid 8140] +++ exited with 0 +++ [pid 8157] <... futex resumed>) = ? [pid 8146] <... exit_group resumed>) = ? [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8140, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 8157] +++ exited with 0 +++ [pid 8147] +++ exited with 0 +++ [pid 8146] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8146, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5012] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] fstat(3, [pid 5008] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5012] getdents64(3, [pid 5008] fstat(3, [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] lstat("./150/binderfs", [pid 5008] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] unlink("./150/binderfs" [pid 5008] lstat("./148/binderfs", [pid 5012] <... unlink resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] unlink("./148/binderfs") = 0 [pid 5008] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8145] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... umount2 resumed>) = 0 [pid 8145] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8145] <... futex resumed>) = 0 [pid 8144] exit_group(0 [pid 8156] <... futex resumed>) = ? [pid 8144] <... exit_group resumed>) = ? [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8156] +++ exited with 0 +++ [pid 5012] lstat("./150/file0", [pid 8145] +++ exited with 0 +++ [pid 8144] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8144, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 287.292400][ T8154] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 287.310317][ T8145] overlayfs: failed to resolve './file0': -2 [ 287.329492][ T8154] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5012] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./150/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... openat resumed>) = 4 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./149/binderfs" [pid 5012] fstat(4, [pid 5011] <... unlink resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [ 287.363335][ T8150] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 287.394122][ T8154] REISERFS (device loop2): using ordered data mode [ 287.401498][ T8154] reiserfs: using flush barriers [pid 5012] close(4) = 0 [pid 5012] rmdir("./150/file0" [pid 8150] <... mount resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 8150] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5012] getdents64(3, [pid 8150] <... openat resumed>) = 3 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8150] chdir("./file0" [pid 5012] close(3 [pid 8150] <... chdir resumed>) = 0 [pid 8150] ioctl(4, LOOP_CLR_FD) = 0 [pid 5012] <... close resumed>) = 0 [ 287.410392][ T8154] 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 [ 287.429840][ T8154] REISERFS (device loop2): checking transaction log (loop2) [ 287.441598][ T8154] REISERFS (device loop2): Using r5 hash to sort names [ 287.449571][ T8154] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8150] close(4 [pid 5012] rmdir("./150" [pid 8154] <... mount resumed>) = 0 [pid 8150] <... close resumed>) = 0 [pid 8154] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8150] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... rmdir resumed>) = 0 [pid 8154] <... openat resumed>) = 3 [pid 8150] <... futex resumed>) = 1 [pid 8148] <... futex resumed>) = 0 [pid 8154] chdir("./file0" [pid 8150] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8148] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] mkdir("./151", 0777 [pid 8154] <... chdir resumed>) = 0 [pid 8150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8148] <... futex resumed>) = 0 [pid 8154] ioctl(4, LOOP_CLR_FD [pid 8150] mkdir("./file1", 000 [pid 8148] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... mkdir resumed>) = 0 [pid 8154] <... ioctl resumed>) = 0 [pid 8150] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8154] close(4 [pid 8150] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8154] <... close resumed>) = 0 [pid 8150] <... futex resumed>) = 1 [pid 8148] <... futex resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 8154] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8150] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8148] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 8154] <... futex resumed>) = 1 [pid 8153] <... futex resumed>) = 0 [pid 8150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8148] <... futex resumed>) = 0 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8154] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8153] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8150] mkdir("./bus", 000 [pid 8148] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] close(3 [pid 8154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8153] <... futex resumed>) = 0 [pid 8150] <... mkdir resumed>) = 0 [ 287.463290][ T8154] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5012] <... close resumed>) = 0 [pid 8154] mkdir("./file1", 000 [pid 8153] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8150] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8154] <... mkdir resumed>) = 0 [pid 8150] <... futex resumed>) = 1 [pid 8148] <... futex resumed>) = 0 [pid 5011] <... umount2 resumed>) = 0 [pid 8150] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8148] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8154] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8148] <... futex resumed>) = 0 [pid 5011] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8160 attached [pid 8154] <... futex resumed>) = 1 [pid 8153] <... futex resumed>) = 0 [pid 8150] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8148] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8160 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8160] set_robust_list(0x555556dec5e0, 24 [pid 8154] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8153] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] lstat("./149/file0", [pid 8160] <... set_robust_list resumed>) = 0 [pid 8154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8153] <... futex resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8160] chdir("./151" [pid 8154] mkdir("./bus", 000 [pid 8153] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 8160] <... chdir resumed>) = 0 [pid 8154] <... mkdir resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8154] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] openat(AT_FDCWD, "./149/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8160] <... prctl resumed>) = 0 [pid 8154] <... futex resumed>) = 1 [pid 8153] <... futex resumed>) = 0 [pid 5011] <... openat resumed>) = 4 [pid 5008] lstat("./148/file0", [pid 8160] setpgid(0, 0 [pid 8154] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8153] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] fstat(4, [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8160] <... setpgid resumed>) = 0 [pid 8154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8153] <... futex resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8154] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8153] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] getdents64(4, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8160] <... openat resumed>) = 3 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [ 287.541976][ T8150] overlayfs: upper fs needs to support d_type. [ 287.556443][ T8150] overlayfs: upper fs does not support tmpfile. [ 287.563452][ T8150] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 287.578987][ T8150] overlayfs: failed to resolve './file0': -2 [ 287.583803][ T8154] overlayfs: upper fs needs to support d_type. [pid 5011] close(4 [pid 8160] write(3, "1000", 4 [pid 5011] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./148/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8160] <... write resumed>) = 4 [pid 5011] rmdir("./149/file0") = 0 [pid 8148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] getdents64(3, [pid 8148] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8148] <... futex resumed>) = 0 [pid 5011] close(3 [pid 8160] close(3 [pid 8150] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 8160] <... close resumed>) = 0 [pid 8150] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8148] <... mmap resumed>) = 0x7f76a8b35000 [pid 5011] rmdir("./149" [pid 5008] fstat(4, [pid 8160] symlink("/dev/binderfs", "./binderfs" [pid 8150] <... futex resumed>) = 0 [pid 8148] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5011] <... rmdir resumed>) = 0 [pid 8150] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8148] <... mprotect resumed>) = 0 [pid 5011] mkdir("./150", 0777 [pid 8148] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... mkdir resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8160] <... symlink resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8148] <... clone resumed>, parent_tid=[8161], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8161 [pid 5011] <... openat resumed>) = 3 [pid 8148] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 8148] <... futex resumed>) = 0 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8148] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8162 ./strace-static-x86_64: Process 8161 attached [pid 8161] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8161] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8161] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] getdents64(4, ./strace-static-x86_64: Process 8162 attached [pid 8160] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8154] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8162] set_robust_list(0x555556dec5e0, 24 [pid 8160] <... futex resumed>) = 0 [pid 8154] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8162] <... set_robust_list resumed>) = 0 [pid 8160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8154] <... futex resumed>) = 1 [pid 8162] chdir("./150" [pid 8160] <... mmap resumed>) = 0x7f76b0b56000 [pid 8154] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8162] <... chdir resumed>) = 0 [pid 8160] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8160] <... mprotect resumed>) = 0 [pid 8162] <... prctl resumed>) = 0 [pid 8160] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8162] setpgid(0, 0) = 0 [pid 8160] <... clone resumed>, parent_tid=[8163], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8163 [pid 8162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8160] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8162] <... openat resumed>) = 3 [pid 8160] <... futex resumed>) = 0 [pid 8162] write(3, "1000", 4 [pid 8160] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8162] <... write resumed>) = 4 [pid 8162] close(3 [pid 8153] <... futex resumed>) = 0 [pid 8162] <... close resumed>) = 0 [pid 8153] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] getdents64(4, [pid 8162] symlink("/dev/binderfs", "./binderfs" [pid 8154] <... futex resumed>) = 0 [pid 8153] <... futex resumed>) = 1 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8162] <... symlink resumed>) = 0 [pid 8154] mkdir(".", 0777 [pid 8153] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] close(4 [pid 8162] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8154] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5008] <... close resumed>) = 0 [pid 8162] <... futex resumed>) = 0 [ 287.592467][ T8154] overlayfs: upper fs does not support tmpfile. [ 287.600263][ T8154] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 287.611450][ T8154] overlayfs: failed to resolve './file0': -2 [pid 8154] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] rmdir("./148/file0" [pid 8162] <... mmap resumed>) = 0x7f76b0b56000 [pid 8162] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8162] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8164], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8164 [pid 8162] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8162] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8164 attached [pid 8164] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8164] memfd_create("syzkaller", 0) = 3 [pid 8164] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5008] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 8163 attached [pid 5008] getdents64(3, [pid 8163] set_robust_list(0x7f76b0b769e0, 24 [pid 8161] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8163] <... set_robust_list resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8163] memfd_create("syzkaller", 0 [pid 8161] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] close(3 [pid 8163] <... memfd_create resumed>) = 3 [pid 8163] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... close resumed>) = 0 [pid 8148] <... futex resumed>) = 0 [pid 8161] <... futex resumed>) = 1 [pid 8163] <... mmap resumed>) = 0x7f76a8756000 [pid 8161] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8148] exit_group(0 [pid 5008] rmdir("./148" [pid 8161] <... futex resumed>) = ? [pid 8150] <... futex resumed>) = ? [pid 8148] <... exit_group resumed>) = ? [pid 5008] <... rmdir resumed>) = 0 [pid 8150] +++ exited with 0 +++ [pid 5008] mkdir("./149", 0777 [pid 8154] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 8154] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8153] <... futex resumed>) = 0 [pid 8153] exit_group(0) = ? [pid 8154] <... futex resumed>) = ? [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8165 [pid 8161] +++ exited with 0 +++ [pid 8148] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8148, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5009] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5009] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8154] +++ exited with 0 +++ [pid 8153] +++ exited with 0 +++ [pid 5009] getdents64(3, [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8153, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5009] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8165 attached [pid 8165] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8165] chdir("./149") = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./148/binderfs", [pid 8165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8165] <... prctl resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] unlink("./148/binderfs" [pid 8165] setpgid(0, 0 [pid 5010] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... unlink resumed>) = 0 [pid 8165] <... setpgid resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] fstat(3, [pid 8165] <... openat resumed>) = 3 [pid 8165] write(3, "1000", 4) = 4 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8165] close(3 [pid 5010] getdents64(3, [pid 8165] <... close resumed>) = 0 [pid 8165] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8165] <... symlink resumed>) = 0 [ 287.650529][ T8161] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 287.671191][ T8154] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5010] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8165] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8165] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8165] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./149/binderfs", [pid 8165] <... clone resumed>, parent_tid=[8166], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8166 [pid 8165] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8165] <... futex resumed>) = 0 [pid 5010] unlink("./149/binderfs" [pid 8165] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] <... unlink resumed>) = 0 [pid 5010] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8166 attached [pid 8166] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8166] memfd_create("syzkaller", 0) = 3 [pid 8166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8163] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8164] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8166] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... umount2 resumed>) = 0 [pid 5010] <... umount2 resumed>) = 0 [pid 5009] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./148/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] lstat("./149/file0", [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] openat(AT_FDCWD, "./148/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... openat resumed>) = 4 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] fstat(4, [pid 5010] openat(AT_FDCWD, "./149/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... openat resumed>) = 4 [pid 5009] getdents64(4, [pid 5010] fstat(4, [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, [pid 5010] getdents64(4, [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] close(4 [pid 8164] <... write resumed>) = 4194304 [pid 5010] getdents64(4, [pid 5009] <... close resumed>) = 0 [pid 8164] munmap(0x7f76a8756000, 4194304 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] rmdir("./148/file0" [pid 8164] <... munmap resumed>) = 0 [pid 5010] close(4 [pid 5009] <... rmdir resumed>) = 0 [pid 8164] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5010] <... close resumed>) = 0 [pid 5009] getdents64(3, [pid 5010] rmdir("./149/file0" [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] close(3 [pid 5010] getdents64(3, [pid 8164] <... openat resumed>) = 4 [pid 5009] <... close resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] rmdir("./148" [pid 8164] ioctl(4, LOOP_SET_FD, 3 [pid 5010] close(3 [pid 5009] <... rmdir resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./149" [pid 5009] mkdir("./149", 0777 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5010] mkdir("./150", 0777 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5010] <... mkdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] <... openat resumed>) = 3 [pid 5010] <... openat resumed>) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] close(3 [pid 5010] close(3 [pid 5009] <... close resumed>) = 0 [pid 8164] <... ioctl resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8164] close(3) = 0 [pid 8164] mkdir("./file0", 0777 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8167 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8168 [pid 8164] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 8167 attached [pid 8167] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8167] chdir("./149") = 0 [pid 8167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8167] setpgid(0, 0) = 0 [pid 8167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8164] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8167] <... openat resumed>) = 3 ./strace-static-x86_64: Process 8168 attached [pid 8167] write(3, "1000", 4 [pid 8168] set_robust_list(0x555556dec5e0, 24 [pid 8167] <... write resumed>) = 4 [pid 8163] <... write resumed>) = 4194304 [pid 8168] <... set_robust_list resumed>) = 0 [pid 8167] close(3 [pid 8163] munmap(0x7f76a8756000, 4194304 [pid 8168] chdir("./150" [pid 8167] <... close resumed>) = 0 [ 287.913746][ T8164] loop3: detected capacity change from 0 to 8192 [pid 8168] <... chdir resumed>) = 0 [pid 8167] symlink("/dev/binderfs", "./binderfs" [pid 8163] <... munmap resumed>) = 0 [pid 8168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8167] <... symlink resumed>) = 0 [pid 8163] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8168] <... prctl resumed>) = 0 [pid 8167] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8163] <... openat resumed>) = 4 [pid 8168] setpgid(0, 0 [pid 8166] <... write resumed>) = 4194304 [pid 8168] <... setpgid resumed>) = 0 [pid 8168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8168] write(3, "1000", 4) = 4 [pid 8168] close(3) = 0 [pid 8168] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8168] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8167] <... futex resumed>) = 0 [pid 8166] munmap(0x7f76a8756000, 4194304 [pid 8163] ioctl(4, LOOP_SET_FD, 3 [pid 8168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8166] <... munmap resumed>) = 0 [pid 8163] <... ioctl resumed>) = 0 [pid 8166] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8166] ioctl(4, LOOP_SET_FD, 3 [pid 8168] <... mmap resumed>) = 0x7f76b0b56000 [pid 8167] <... mmap resumed>) = 0x7f76b0b56000 [ 287.972208][ T8164] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 287.989129][ T8164] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 287.999987][ T8164] REISERFS (device loop3): using ordered data mode [ 288.002262][ T8163] loop4: detected capacity change from 0 to 8192 [ 288.007644][ T8164] reiserfs: using flush barriers [pid 8163] close(3 [pid 8168] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8167] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8163] <... close resumed>) = 0 [pid 8168] <... mprotect resumed>) = 0 [pid 8167] <... mprotect resumed>) = 0 [pid 8163] mkdir("./file0", 0777 [pid 8168] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8167] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8163] <... mkdir resumed>) = 0 [pid 8163] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8168] <... clone resumed>, parent_tid=[8170], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8170 [pid 8167] <... clone resumed>, parent_tid=[8171], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8171 [pid 8168] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8167] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8168] <... futex resumed>) = 0 [pid 8167] <... futex resumed>) = 0 [pid 8168] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8167] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8166] <... ioctl resumed>) = 0 [pid 8166] close(3./strace-static-x86_64: Process 8170 attached [pid 8170] set_robust_list(0x7f76b0b769e0, 24 [pid 8166] <... close resumed>) = 0 [pid 8166] mkdir("./file0", 0777 [pid 8170] <... set_robust_list resumed>) = 0 [pid 8170] memfd_create("syzkaller", 0 [pid 8166] <... mkdir resumed>) = 0 [pid 8170] <... memfd_create resumed>) = 3 [pid 8170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 ./strace-static-x86_64: Process 8171 attached [pid 8171] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8171] memfd_create("syzkaller", 0) = 3 [pid 8171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 288.014773][ T8166] loop0: detected capacity change from 0 to 8192 [ 288.025036][ T8164] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 288.044434][ T8163] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 288.059161][ T8164] REISERFS (device loop3): checking transaction log (loop3) [pid 8166] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8170] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 288.066638][ T8163] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 288.079190][ T8164] REISERFS (device loop3): Using r5 hash to sort names [ 288.087302][ T8166] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 288.103189][ T8164] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 288.119161][ T8166] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 288.130749][ T8163] REISERFS (device loop4): using ordered data mode [ 288.139241][ T8163] reiserfs: using flush barriers [ 288.146718][ T8166] REISERFS (device loop0): using ordered data mode [ 288.155767][ T8164] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8171] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8164] <... mount resumed>) = 0 [pid 8164] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 288.156819][ T8163] 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 [ 288.176736][ T8166] reiserfs: using flush barriers [ 288.181583][ T8163] REISERFS (device loop4): checking transaction log (loop4) [ 288.194572][ T8163] REISERFS (device loop4): Using r5 hash to sort names [ 288.202050][ T8163] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8164] chdir("./file0") = 0 [pid 8164] ioctl(4, LOOP_CLR_FD [pid 8163] <... mount resumed>) = 0 [pid 8164] <... ioctl resumed>) = 0 [pid 8170] <... write resumed>) = 4194304 [pid 8164] close(4) = 0 [pid 8164] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8163] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8162] <... futex resumed>) = 0 [pid 8164] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8162] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8171] <... write resumed>) = 4194304 [pid 8170] munmap(0x7f76a8756000, 4194304 [pid 8163] <... openat resumed>) = 3 [pid 8162] <... futex resumed>) = 0 [pid 8171] munmap(0x7f76a8756000, 4194304 [pid 8170] <... munmap resumed>) = 0 [pid 8164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8163] chdir("./file0" [pid 8162] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8171] <... munmap resumed>) = 0 [pid 8163] <... chdir resumed>) = 0 [pid 8171] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8163] ioctl(4, LOOP_CLR_FD [pid 8171] <... openat resumed>) = 4 [pid 8164] mkdir("./file1", 000 [pid 8163] <... ioctl resumed>) = 0 [pid 8171] ioctl(4, LOOP_SET_FD, 3 [pid 8170] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8163] close(4 [pid 8170] <... openat resumed>) = 4 [pid 8164] <... mkdir resumed>) = 0 [pid 8163] <... close resumed>) = 0 [pid 8170] ioctl(4, LOOP_SET_FD, 3 [ 288.215023][ T8163] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 288.226121][ T8166] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 288.257869][ T8171] loop1: detected capacity change from 0 to 8192 [ 288.266393][ T8166] REISERFS (device loop0): checking transaction log (loop0) [pid 8163] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8164] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8163] <... futex resumed>) = 1 [pid 8160] <... futex resumed>) = 0 [pid 8163] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8170] <... ioctl resumed>) = 0 [pid 8170] close(3) = 0 [pid 8170] mkdir("./file0", 0777) = 0 [pid 8170] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8164] <... futex resumed>) = 1 [pid 8160] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8162] <... futex resumed>) = 0 [pid 8162] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8160] <... futex resumed>) = 1 [pid 8162] <... futex resumed>) = 0 [pid 8164] mkdir("./bus", 000 [pid 8163] <... futex resumed>) = 0 [pid 8163] mkdir("./file1", 000) = 0 [pid 8163] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8163] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8162] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8160] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8164] <... mkdir resumed>) = 0 [pid 8164] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8160] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8164] <... futex resumed>) = 1 [pid 8162] <... futex resumed>) = 0 [pid 8164] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8163] <... futex resumed>) = 0 [pid 8162] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8160] <... futex resumed>) = 1 [pid 8163] mkdir("./bus", 000 [pid 8162] <... futex resumed>) = 0 [pid 8160] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8164] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8163] <... mkdir resumed>) = 0 [pid 8162] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8163] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8160] <... futex resumed>) = 0 [pid 8163] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8160] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8160] <... futex resumed>) = 0 [pid 8163] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 288.269169][ T8170] loop2: detected capacity change from 0 to 8192 [ 288.276735][ T8166] REISERFS (device loop0): Using r5 hash to sort names [ 288.296458][ T8164] overlayfs: upper fs needs to support d_type. [ 288.297668][ T8163] overlayfs: upper fs needs to support d_type. [ 288.302715][ T8164] overlayfs: upper fs does not support tmpfile. [pid 8160] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8171] <... ioctl resumed>) = 0 [pid 8171] close(3) = 0 [pid 8171] mkdir("./file0", 0777) = 0 [pid 8171] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8162] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8162] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8162] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8160] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8160] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8160] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8162] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8160] <... mprotect resumed>) = 0 [pid 8160] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8162] <... clone resumed>, parent_tid=[8177], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8177 [pid 8160] <... clone resumed>, parent_tid=[8176], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8176 [pid 8160] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8162] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8162] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8160] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8177 attached [pid 8177] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8177] mkdir(".", 0777) = -1 EEXIST (File exists) [ 288.313237][ T8170] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 288.330572][ T8164] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 288.337968][ T8163] overlayfs: upper fs does not support tmpfile. [ 288.345994][ T8170] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 288.357763][ T8163] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 288.375600][ T8166] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 288.378082][ T8164] overlayfs: failed to resolve './file0': -2 [ 288.389560][ T8171] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 288.405324][ T8163] overlayfs: failed to resolve './file0': -2 [ 288.410690][ T8170] REISERFS (device loop2): using ordered data mode [pid 8177] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 8176 attached ) = -1 EINVAL (Invalid argument) [pid 8177] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8162] <... futex resumed>) = 0 [pid 8177] <... futex resumed>) = 1 [pid 8177] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8176] set_robust_list(0x7f76a8b559e0, 24 [pid 8164] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8164] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8164] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8176] <... set_robust_list resumed>) = 0 [pid 8166] <... mount resumed>) = 0 [pid 8162] exit_group(0 [pid 8176] mkdir(".", 0777 [pid 8162] <... exit_group resumed>) = ? [pid 8176] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8176] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8177] <... futex resumed>) = ? [pid 8166] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8164] <... futex resumed>) = ? [pid 8163] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 288.420111][ T8177] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 288.422200][ T8166] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 288.435472][ T8170] reiserfs: using flush barriers [ 288.444067][ T8171] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 288.458082][ T8171] REISERFS (device loop1): using ordered data mode [pid 8177] +++ exited with 0 +++ [pid 8166] <... openat resumed>) = 3 [pid 8164] +++ exited with 0 +++ [pid 8163] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8162] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8162, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 8166] chdir("./file0" [pid 8163] <... futex resumed>) = 0 [pid 8166] <... chdir resumed>) = 0 [pid 8163] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8166] ioctl(4, LOOP_CLR_FD) = 0 [ 288.460082][ T8170] 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 [ 288.467822][ T8171] reiserfs: using flush barriers [ 288.490093][ T8170] REISERFS (device loop2): checking transaction log (loop2) [ 288.496370][ T8176] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 288.497563][ T8171] 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 8166] close(4) = 0 [pid 5011] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8166] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8165] <... futex resumed>) = 0 [pid 8166] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8165] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8165] <... futex resumed>) = 0 [pid 8166] mkdir("./file1", 000 [pid 8165] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8166] <... mkdir resumed>) = 0 [pid 8166] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8165] <... futex resumed>) = 0 [pid 8166] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8165] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8165] <... futex resumed>) = 0 [pid 8166] mkdir("./bus", 000 [pid 8165] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8166] <... mkdir resumed>) = 0 [pid 8166] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8165] <... futex resumed>) = 0 [pid 8166] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8165] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8165] <... futex resumed>) = 0 [pid 8166] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8165] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8176] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8176] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8176] <... futex resumed>) = 1 [pid 8160] <... futex resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 8176] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 288.528395][ T8166] overlayfs: upper fs needs to support d_type. [ 288.528844][ T8171] REISERFS (device loop1): checking transaction log (loop1) [ 288.534642][ T8166] overlayfs: upper fs does not support tmpfile. [ 288.550674][ T8170] REISERFS (device loop2): Using r5 hash to sort names [ 288.551352][ T8166] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 288.557673][ T8171] REISERFS (device loop1): Using r5 hash to sort names [ 288.566667][ T8166] overlayfs: failed to resolve './file0': -2 [pid 5011] getdents64(3, [pid 8160] exit_group(0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./150/binderfs") = 0 [pid 5011] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8176] <... futex resumed>) = ? [pid 8165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8163] <... futex resumed>) = ? [pid 8160] <... exit_group resumed>) = ? [pid 8176] +++ exited with 0 +++ [pid 8165] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8163] +++ exited with 0 +++ [pid 8165] <... futex resumed>) = 0 [pid 8160] +++ exited with 0 +++ [pid 8165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8160, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 8165] <... mmap resumed>) = 0x7f76a8b35000 [pid 8165] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8165] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8178], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8178 [pid 8165] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8165] <... futex resumed>) = 0 [pid 8165] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8166] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... openat resumed>) = 3 [pid 8166] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(3, [pid 8166] <... futex resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8166] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] getdents64(3, ./strace-static-x86_64: Process 8178 attached [pid 8178] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8178] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8178] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 288.578989][ T8170] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 288.589904][ T8171] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5012] unlink("./151/binderfs") = 0 [pid 5012] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8171] <... mount resumed>) = 0 [pid 8171] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8171] chdir("./file0") = 0 [pid 8171] ioctl(4, LOOP_CLR_FD) = 0 [pid 8171] close(4 [pid 8178] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8170] <... mount resumed>) = 0 [pid 8178] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8170] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8178] <... futex resumed>) = 1 [pid 8170] <... openat resumed>) = 3 [pid 8165] <... futex resumed>) = 0 [pid 8178] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8171] <... close resumed>) = 0 [pid 8170] chdir("./file0" [pid 8165] exit_group(0 [pid 8171] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8166] <... futex resumed>) = ? [pid 8165] <... exit_group resumed>) = ? [pid 8171] <... futex resumed>) = 1 [pid 8167] <... futex resumed>) = 0 [pid 8166] +++ exited with 0 +++ [pid 8171] mkdir("./file1", 000 [pid 8167] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8178] <... futex resumed>) = ? [pid 8171] <... mkdir resumed>) = 0 [pid 8170] <... chdir resumed>) = 0 [pid 8167] <... futex resumed>) = 0 [pid 8171] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8167] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8178] +++ exited with 0 +++ [pid 8171] <... futex resumed>) = 0 [pid 8170] ioctl(4, LOOP_CLR_FD [pid 8167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8165] +++ exited with 0 +++ [pid 8171] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8170] <... ioctl resumed>) = 0 [pid 8167] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8165, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 8171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8170] close(4 [pid 8167] <... futex resumed>) = 0 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 8171] mkdir("./bus", 000 [pid 8170] <... close resumed>) = 0 [pid 8167] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... restart_syscall resumed>) = 0 [pid 8171] <... mkdir resumed>) = 0 [pid 8170] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8171] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8170] <... futex resumed>) = 1 [pid 8168] <... futex resumed>) = 0 [pid 8171] <... futex resumed>) = 1 [pid 8170] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 288.634406][ T8171] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 288.635331][ T8178] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 288.658888][ T8170] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8168] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8167] <... futex resumed>) = 0 [pid 5008] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8171] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8168] <... futex resumed>) = 0 [pid 8167] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8170] mkdir("./file1", 000 [pid 8168] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8167] <... futex resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8171] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8170] <... mkdir resumed>) = 0 [pid 8167] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... openat resumed>) = 3 [pid 5011] <... umount2 resumed>) = 0 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8170] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./149/binderfs", [pid 8170] <... futex resumed>) = 1 [pid 8168] <... futex resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8170] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8168] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] lstat("./150/file0", [pid 5008] unlink("./149/binderfs" [pid 8170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8168] <... futex resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 8170] mkdir("./bus", 000 [pid 8168] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8170] <... mkdir resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8170] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] openat(AT_FDCWD, "./150/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8170] <... futex resumed>) = 1 [pid 8168] <... futex resumed>) = 0 [pid 5011] <... openat resumed>) = 4 [pid 8170] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8168] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] fstat(4, [pid 8170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8168] <... futex resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8170] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8168] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [ 288.740255][ T8171] overlayfs: upper fs needs to support d_type. [ 288.751932][ T8171] overlayfs: upper fs does not support tmpfile. [ 288.773382][ T8170] overlayfs: upper fs needs to support d_type. [ 288.778919][ T8171] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4 [pid 8167] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] <... close resumed>) = 0 [pid 8167] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8167] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8167] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] rmdir("./150/file0" [pid 8167] <... clone resumed>, parent_tid=[8179], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8179 [pid 5011] <... rmdir resumed>) = 0 [pid 8167] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(3, [pid 8167] <... futex resumed>) = 0 [pid 8167] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3./strace-static-x86_64: Process 8179 attached ) = 0 [pid 8179] set_robust_list(0x7f76a8b559e0, 24 [pid 5011] rmdir("./150" [pid 8179] <... set_robust_list resumed>) = 0 [pid 8168] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] <... rmdir resumed>) = 0 [pid 8179] mkdir(".", 0777 [pid 8168] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] mkdir("./151", 0777 [pid 8179] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8168] <... futex resumed>) = 0 [pid 8179] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... mkdir resumed>) = 0 [pid 8168] <... mmap resumed>) = 0x7f76a8b35000 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8168] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5011] <... openat resumed>) = 3 [pid 8168] <... mprotect resumed>) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 8168] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] close(3 [pid 8168] <... clone resumed>, parent_tid=[8180], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8180 [pid 5011] <... close resumed>) = 0 [ 288.786524][ T8170] overlayfs: upper fs does not support tmpfile. [ 288.800897][ T8170] overlayfs: upper fs does not support RENAME_WHITEOUT. ./strace-static-x86_64: Process 8180 attached [pid 8168] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8180] set_robust_list(0x7f76a8b559e0, 24 [pid 8168] <... futex resumed>) = 0 [pid 8180] <... set_robust_list resumed>) = 0 [pid 8168] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8180] mkdir(".", 0777 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8181 [pid 8180] <... mkdir resumed>) = -1 EEXIST (File exists) [ 288.843775][ T8171] overlayfs: failed to resolve './file0': -2 [ 288.850092][ T8179] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 288.863507][ T8170] overlayfs: failed to resolve './file0': -2 [pid 8180] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./151/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8181 attached [pid 8170] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] openat(AT_FDCWD, "./151/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, [pid 8181] set_robust_list(0x555556dec5e0, 24 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8170] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8181] <... set_robust_list resumed>) = 0 [pid 8180] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8179] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8170] <... futex resumed>) = 0 [pid 5012] getdents64(4, [pid 5008] <... umount2 resumed>) = 0 [pid 8181] chdir("./151" [pid 8180] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8179] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8170] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8181] <... chdir resumed>) = 0 [pid 8180] <... futex resumed>) = 1 [pid 8179] <... futex resumed>) = 1 [pid 8168] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8180] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8179] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8168] exit_group(0 [pid 5008] lstat("./149/file0", [pid 8181] <... prctl resumed>) = 0 [pid 8180] <... futex resumed>) = ? [pid 8170] <... futex resumed>) = ? [pid 8168] <... exit_group resumed>) = ? [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8181] setpgid(0, 0 [pid 8180] +++ exited with 0 +++ [pid 8171] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8170] +++ exited with 0 +++ [pid 8167] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8181] <... setpgid resumed>) = 0 [pid 8171] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8168] +++ exited with 0 +++ [pid 8167] exit_group(0 [pid 5012] close(4 [pid 5008] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8179] <... futex resumed>) = ? [pid 8171] <... futex resumed>) = ? [pid 8167] <... exit_group resumed>) = ? [pid 5012] <... close resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8168, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8181] <... openat resumed>) = 3 [pid 8179] +++ exited with 0 +++ [pid 8171] +++ exited with 0 +++ [pid 5008] openat(AT_FDCWD, "./149/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8181] write(3, "1000", 4 [pid 5008] <... openat resumed>) = 4 [pid 8181] <... write resumed>) = 4 [pid 5008] fstat(4, [pid 8181] close(3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8181] <... close resumed>) = 0 [pid 5008] getdents64(4, [pid 8181] symlink("/dev/binderfs", "./binderfs" [pid 8167] +++ exited with 0 +++ [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8181] <... symlink resumed>) = 0 [pid 5012] rmdir("./151/file0" [pid 5008] getdents64(4, [pid 8181] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8181] <... futex resumed>) = 0 [pid 5008] close(4 [pid 8181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8167, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5008] <... close resumed>) = 0 [pid 8181] <... mmap resumed>) = 0x7f76b0b56000 [pid 5012] getdents64(3, [pid 5008] rmdir("./149/file0" [pid 8181] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5008] <... rmdir resumed>) = 0 [pid 8181] <... mprotect resumed>) = 0 [pid 5012] close(3 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5008] getdents64(3, [pid 8181] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] rmdir("./151" [pid 5008] close(3 [pid 8181] <... clone resumed>, parent_tid=[8182], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8182 [pid 5008] <... close resumed>) = 0 [pid 8181] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] rmdir("./149"./strace-static-x86_64: Process 8182 attached [pid 8181] <... futex resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5010] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... rmdir resumed>) = 0 [pid 8181] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 288.896110][ T8180] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5012] mkdir("./152", 0777 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] mkdir("./150", 0777 [pid 5012] <... mkdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5012] <... openat resumed>) = 3 [pid 5010] <... openat resumed>) = 3 [pid 5009] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... openat resumed>) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... openat resumed>) = 3 [pid 5010] fstat(3, [pid 5008] close(3 [pid 8182] set_robust_list(0x7f76b0b769e0, 24 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] fstat(3, [pid 5008] <... close resumed>) = 0 [pid 8182] <... set_robust_list resumed>) = 0 [pid 5012] close(3 [pid 5010] getdents64(3, [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8182] memfd_create("syzkaller", 0 [pid 5012] <... close resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] getdents64(3, [pid 8182] <... memfd_create resumed>) = 3 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8183 [pid 8182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8184 attached ./strace-static-x86_64: Process 8183 attached [pid 8182] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8184 [pid 5010] lstat("./150/binderfs", [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8184] set_robust_list(0x555556dec5e0, 24 [pid 8183] set_robust_list(0x555556dec5e0, 24 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] lstat("./149/binderfs", [pid 8184] <... set_robust_list resumed>) = 0 [pid 8183] <... set_robust_list resumed>) = 0 [pid 5010] unlink("./150/binderfs" [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8184] chdir("./152" [pid 8183] chdir("./150" [pid 5010] <... unlink resumed>) = 0 [pid 5009] unlink("./149/binderfs" [pid 8184] <... chdir resumed>) = 0 [pid 8183] <... chdir resumed>) = 0 [pid 5010] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... unlink resumed>) = 0 [pid 8184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8184] <... prctl resumed>) = 0 [pid 8183] <... prctl resumed>) = 0 [pid 8184] setpgid(0, 0 [pid 8183] setpgid(0, 0 [pid 8184] <... setpgid resumed>) = 0 [pid 8183] <... setpgid resumed>) = 0 [pid 8184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8182] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8184] <... openat resumed>) = 3 [pid 8183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8184] write(3, "1000", 4 [pid 8183] <... openat resumed>) = 3 [pid 8184] <... write resumed>) = 4 [pid 8183] write(3, "1000", 4 [pid 8184] close(3 [pid 8183] <... write resumed>) = 4 [pid 8184] <... close resumed>) = 0 [pid 8183] close(3 [pid 8184] symlink("/dev/binderfs", "./binderfs" [pid 8183] <... close resumed>) = 0 [pid 8184] <... symlink resumed>) = 0 [pid 8183] symlink("/dev/binderfs", "./binderfs" [pid 8184] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8183] <... symlink resumed>) = 0 [pid 8184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8183] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8184] <... mmap resumed>) = 0x7f76b0b56000 [pid 8183] <... futex resumed>) = 0 [pid 8184] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8184] <... mprotect resumed>) = 0 [pid 8183] <... mmap resumed>) = 0x7f76b0b56000 [pid 8184] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8183] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8184] <... clone resumed>, parent_tid=[8185], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8185 [pid 8183] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8184] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8183] <... clone resumed>, parent_tid=[8186], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8186 [pid 8184] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8183] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8183] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8185 attached [pid 8182] <... write resumed>) = 4194304 [pid 8185] set_robust_list(0x7f76b0b769e0, 24 [pid 8182] munmap(0x7f76a8756000, 4194304 [pid 8185] <... set_robust_list resumed>) = 0 [pid 8182] <... munmap resumed>) = 0 [pid 8185] memfd_create("syzkaller", 0./strace-static-x86_64: Process 8186 attached [pid 8182] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8185] <... memfd_create resumed>) = 3 [pid 8186] set_robust_list(0x7f76b0b769e0, 24 [pid 8185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8182] <... openat resumed>) = 4 [pid 8186] <... set_robust_list resumed>) = 0 [pid 8185] <... mmap resumed>) = 0x7f76a8756000 [pid 8182] ioctl(4, LOOP_SET_FD, 3 [pid 8186] memfd_create("syzkaller", 0) = 3 [pid 8186] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8182] <... ioctl resumed>) = 0 [pid 8182] close(3) = 0 [pid 8182] mkdir("./file0", 0777) = 0 [pid 8182] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] <... umount2 resumed>) = 0 [ 289.105660][ T8182] loop3: detected capacity change from 0 to 8192 [ 289.136328][ T8182] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./150/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./150/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./150/file0" [pid 5009] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] lstat("./149/file0", [pid 5010] close(3) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] rmdir("./150" [pid 5009] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8185] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] mkdir("./151", 0777 [pid 5009] openat(AT_FDCWD, "./149/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... openat resumed>) = 4 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5009] fstat(4, [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] close(3) = 0 [pid 5009] getdents64(4, [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8188 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./149/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./149") = 0 [pid 5009] mkdir("./150", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8189 [ 289.169378][ T8182] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 289.199877][ T8182] REISERFS (device loop3): using ordered data mode [ 289.208821][ T8182] reiserfs: using flush barriers ./strace-static-x86_64: Process 8189 attached ./strace-static-x86_64: Process 8188 attached [pid 8186] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8189] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8189] chdir("./150") = 0 [pid 8188] set_robust_list(0x555556dec5e0, 24 [pid 8189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8188] <... set_robust_list resumed>) = 0 [pid 8189] <... prctl resumed>) = 0 [pid 8188] chdir("./151" [pid 8189] setpgid(0, 0) = 0 [pid 8188] <... chdir resumed>) = 0 [pid 8189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8189] <... openat resumed>) = 3 [pid 8188] <... prctl resumed>) = 0 [pid 8189] write(3, "1000", 4 [pid 8188] setpgid(0, 0 [pid 8189] <... write resumed>) = 4 [pid 8188] <... setpgid resumed>) = 0 [pid 8189] close(3 [pid 8188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8189] <... close resumed>) = 0 [pid 8188] <... openat resumed>) = 3 [pid 8189] symlink("/dev/binderfs", "./binderfs" [pid 8188] write(3, "1000", 4 [pid 8189] <... symlink resumed>) = 0 [pid 8188] <... write resumed>) = 4 [pid 8189] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8188] close(3 [pid 8189] <... futex resumed>) = 0 [pid 8188] <... close resumed>) = 0 [pid 8189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 289.223300][ T8182] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 289.240452][ T8182] REISERFS (device loop3): checking transaction log (loop3) [ 289.251524][ T8182] REISERFS (device loop3): Using r5 hash to sort names [pid 8188] symlink("/dev/binderfs", "./binderfs" [pid 8189] <... mmap resumed>) = 0x7f76b0b56000 [pid 8188] <... symlink resumed>) = 0 [pid 8189] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8188] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8189] <... mprotect resumed>) = 0 [pid 8188] <... futex resumed>) = 0 [pid 8189] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8189] <... clone resumed>, parent_tid=[8190], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8190 [pid 8188] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 8190 attached [pid 8189] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8188] <... mprotect resumed>) = 0 [pid 8182] <... mount resumed>) = 0 [pid 8190] set_robust_list(0x7f76b0b769e0, 24 [pid 8189] <... futex resumed>) = 0 [pid 8188] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8182] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8190] <... set_robust_list resumed>) = 0 [pid 8189] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8182] <... openat resumed>) = 3 [pid 8190] memfd_create("syzkaller", 0 [pid 8188] <... clone resumed>, parent_tid=[8191], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8191 [pid 8182] chdir("./file0"./strace-static-x86_64: Process 8191 attached [pid 8190] <... memfd_create resumed>) = 3 [pid 8188] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8182] <... chdir resumed>) = 0 [pid 8191] set_robust_list(0x7f76b0b769e0, 24 [pid 8190] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8188] <... futex resumed>) = 0 [pid 8182] ioctl(4, LOOP_CLR_FD [pid 8191] <... set_robust_list resumed>) = 0 [pid 8190] <... mmap resumed>) = 0x7f76a8756000 [pid 8188] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8182] <... ioctl resumed>) = 0 [pid 8191] memfd_create("syzkaller", 0) = 3 [pid 8182] close(4 [pid 8191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8182] <... close resumed>) = 0 [pid 8191] <... mmap resumed>) = 0x7f76a8756000 [pid 8182] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 289.265840][ T8182] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 289.279431][ T8182] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8181] <... futex resumed>) = 0 [pid 8182] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8181] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8181] <... futex resumed>) = 0 [pid 8182] mkdir("./file1", 000 [pid 8181] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8182] <... mkdir resumed>) = 0 [pid 8182] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8181] <... futex resumed>) = 0 [pid 8182] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8181] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8181] <... futex resumed>) = 0 [pid 8182] mkdir("./bus", 000 [pid 8181] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8182] <... mkdir resumed>) = 0 [pid 8182] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8181] <... futex resumed>) = 0 [pid 8182] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8181] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8181] <... futex resumed>) = 0 [pid 8182] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8181] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8190] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8191] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8185] <... write resumed>) = 4194304 [ 289.362491][ T8182] overlayfs: upper fs needs to support d_type. [ 289.376975][ T8182] overlayfs: upper fs does not support tmpfile. [pid 8185] munmap(0x7f76a8756000, 4194304) = 0 [pid 8185] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8185] ioctl(4, LOOP_SET_FD, 3 [pid 8181] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8181] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8181] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8181] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8192], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8192 [pid 8181] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8186] <... write resumed>) = 4194304 [pid 8181] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8186] munmap(0x7f76a8756000, 4194304./strace-static-x86_64: Process 8192 attached ) = 0 [pid 8192] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8192] mkdir(".", 0777 [pid 8185] <... ioctl resumed>) = 0 [pid 8185] close(3) = 0 [pid 8185] mkdir("./file0", 0777 [pid 8186] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8185] <... mkdir resumed>) = 0 [pid 8192] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8186] <... openat resumed>) = 4 [pid 8185] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8192] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 289.406616][ T8182] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 289.413995][ T8185] loop4: detected capacity change from 0 to 8192 [ 289.443167][ T8182] overlayfs: failed to resolve './file0': -2 [pid 8186] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8186] close(3) = 0 [pid 8186] mkdir("./file0", 0777) = 0 [pid 8186] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8182] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 289.456723][ T8186] loop0: detected capacity change from 0 to 8192 [ 289.464172][ T8192] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 289.478188][ T8185] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 289.495007][ T8185] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8182] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8182] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8192] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8192] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8181] <... futex resumed>) = 0 [pid 8192] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8181] exit_group(0 [pid 8192] <... futex resumed>) = ? [pid 8182] <... futex resumed>) = ? [pid 8181] <... exit_group resumed>) = ? [pid 8192] +++ exited with 0 +++ [pid 8182] +++ exited with 0 +++ [ 289.505834][ T8186] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 289.507386][ T8185] REISERFS (device loop4): using ordered data mode [ 289.528873][ T8185] reiserfs: using flush barriers [pid 8191] <... write resumed>) = 4194304 [pid 8190] <... write resumed>) = 4194304 [pid 8181] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8181, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5011] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, [pid 8191] munmap(0x7f76a8756000, 4194304 [pid 8190] munmap(0x7f76a8756000, 4194304 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./151/binderfs") = 0 [pid 5011] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8191] <... munmap resumed>) = 0 [pid 8190] <... munmap resumed>) = 0 [pid 8191] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 289.543452][ T8185] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 289.551198][ T8186] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 289.569614][ T8186] REISERFS (device loop0): using ordered data mode [ 289.581045][ T8186] reiserfs: using flush barriers [ 289.587725][ T8186] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8190] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8191] <... openat resumed>) = 4 [pid 8190] <... openat resumed>) = 4 [pid 8191] ioctl(4, LOOP_SET_FD, 3 [pid 8190] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8191] <... ioctl resumed>) = 0 [pid 8191] close(3 [pid 8190] close(3 [pid 8191] <... close resumed>) = 0 [pid 8190] <... close resumed>) = 0 [pid 8191] mkdir("./file0", 0777 [pid 8190] mkdir("./file0", 0777 [pid 8191] <... mkdir resumed>) = 0 [pid 8190] <... mkdir resumed>) = 0 [pid 8191] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 289.602049][ T8185] REISERFS (device loop4): checking transaction log (loop4) [ 289.605070][ T8186] REISERFS (device loop0): checking transaction log (loop0) [ 289.619906][ T8191] loop2: detected capacity change from 0 to 8192 [ 289.627009][ T8190] loop1: detected capacity change from 0 to 8192 [ 289.634034][ T8186] REISERFS (device loop0): Using r5 hash to sort names [pid 8190] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8186] <... mount resumed>) = 0 [pid 8186] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8186] chdir("./file0") = 0 [pid 8186] ioctl(4, LOOP_CLR_FD) = 0 [pid 8186] close(4) = 0 [pid 8186] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8183] <... futex resumed>) = 0 [pid 8183] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8183] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8186] <... futex resumed>) = 1 [pid 8186] mkdir("./file1", 000) = 0 [pid 8186] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8183] <... futex resumed>) = 0 [pid 8183] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8183] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8186] <... futex resumed>) = 1 [pid 8186] mkdir("./bus", 000) = 0 [pid 8186] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8183] <... futex resumed>) = 0 [pid 8183] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8183] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8186] <... futex resumed>) = 1 [ 289.647081][ T8186] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 289.661084][ T8186] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 289.670975][ T8191] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 289.676468][ T8185] REISERFS (device loop4): Using r5 hash to sort names [ 289.692332][ T8190] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8186] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 5011] <... umount2 resumed>) = 0 [ 289.718626][ T8191] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 289.726766][ T8190] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 289.737709][ T8186] overlayfs: upper fs needs to support d_type. [ 289.738631][ T8190] REISERFS (device loop1): using ordered data mode [ 289.743963][ T8186] overlayfs: upper fs does not support tmpfile. [pid 5011] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8183] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8183] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8183] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8183] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8197], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8197 [pid 8183] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8183] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8197 attached [pid 8197] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8197] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8197] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8185] <... mount resumed>) = 0 [pid 5011] lstat("./151/file0", [pid 8185] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8185] <... openat resumed>) = 3 [pid 5011] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8185] chdir("./file0" [pid 5011] openat(AT_FDCWD, "./151/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8185] <... chdir resumed>) = 0 [pid 5011] <... openat resumed>) = 4 [pid 8185] ioctl(4, LOOP_CLR_FD [pid 5011] fstat(4, [pid 8185] <... ioctl resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8185] close(4 [pid 5011] getdents64(4, [pid 8185] <... close resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8185] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(4, [pid 8185] <... futex resumed>) = 1 [pid 8184] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [ 289.751270][ T8185] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 289.757488][ T8190] reiserfs: using flush barriers [ 289.771076][ T8185] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 289.784866][ T8191] REISERFS (device loop2): using ordered data mode [ 289.789123][ T8186] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 289.809151][ T8186] overlayfs: failed to resolve './file0': -2 [pid 8197] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8186] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8185] mkdir("./file1", 000 [pid 8184] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] close(4 [pid 8186] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8185] <... mkdir resumed>) = 0 [pid 8184] <... futex resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 8186] <... futex resumed>) = 0 [pid 8185] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8184] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] rmdir("./151/file0" [pid 8197] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8186] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8185] <... futex resumed>) = 0 [pid 8184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5011] <... rmdir resumed>) = 0 [pid 8197] <... futex resumed>) = 1 [pid 8185] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8184] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 289.826776][ T8197] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 289.829177][ T8191] reiserfs: using flush barriers [ 289.841132][ T8190] 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 5011] getdents64(3, [pid 8197] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8184] <... futex resumed>) = 0 [pid 8183] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8185] mkdir("./bus", 000 [pid 8184] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8183] exit_group(0 [pid 5011] close(3 [pid 8185] <... mkdir resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 8185] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] rmdir("./151" [pid 8185] <... futex resumed>) = 1 [pid 8184] <... futex resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 8197] <... futex resumed>) = ? [pid 8186] <... futex resumed>) = ? [pid 8185] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8184] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8183] <... exit_group resumed>) = ? [pid 5011] mkdir("./152", 0777 [pid 8197] +++ exited with 0 +++ [pid 8186] +++ exited with 0 +++ [pid 8185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8184] <... futex resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 8185] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8184] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8183] +++ exited with 0 +++ [pid 5011] close(3) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8183, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 8198 attached [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8198 [pid 5008] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 289.866023][ T8191] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 289.885718][ T8190] REISERFS (device loop1): checking transaction log (loop1) [ 289.894753][ T8190] REISERFS (device loop1): Using r5 hash to sort names [ 289.905601][ T8185] overlayfs: upper fs needs to support d_type. [ 289.911857][ T8185] overlayfs: upper fs does not support tmpfile. [pid 5008] openat(AT_FDCWD, "./150", 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, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./150/binderfs", [pid 8198] set_robust_list(0x555556dec5e0, 24 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./150/binderfs") = 0 [pid 5008] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8184] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8184] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8198] <... set_robust_list resumed>) = 0 [pid 8184] <... futex resumed>) = 0 [pid 8184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8184] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8184] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8199], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8199 [ 289.923179][ T8190] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 289.935930][ T8191] REISERFS (device loop2): checking transaction log (loop2) [ 289.944818][ T8185] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 289.955910][ T8185] overlayfs: failed to resolve './file0': -2 [ 289.961202][ T8191] REISERFS (device loop2): Using r5 hash to sort names [pid 8184] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8198] chdir("./152" [pid 8184] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8198] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 8199 attached [pid 8199] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8199] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8199] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8198] setpgid(0, 0) = 0 [pid 8198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8198] write(3, "1000", 4 [pid 8185] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8198] <... write resumed>) = 4 [pid 8190] <... mount resumed>) = 0 [ 289.962274][ T8190] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 289.996793][ T8191] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 289.999907][ T8199] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8185] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8198] close(3 [pid 8190] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8185] <... futex resumed>) = 0 [pid 8198] <... close resumed>) = 0 [pid 8198] symlink("/dev/binderfs", "./binderfs" [pid 8190] <... openat resumed>) = 3 [pid 8185] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8198] <... symlink resumed>) = 0 [pid 8190] chdir("./file0") = 0 [pid 8198] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8190] ioctl(4, LOOP_CLR_FD [pid 8198] <... futex resumed>) = 0 [pid 8190] <... ioctl resumed>) = 0 [pid 8191] <... mount resumed>) = 0 [pid 8191] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8191] chdir("./file0" [pid 8198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8190] close(4 [pid 8198] <... mmap resumed>) = 0x7f76b0b56000 [pid 8198] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8190] <... close resumed>) = 0 [pid 8191] <... chdir resumed>) = 0 [pid 8191] ioctl(4, LOOP_CLR_FD) = 0 [pid 8191] close(4 [pid 8190] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8198] <... mprotect resumed>) = 0 [pid 8191] <... close resumed>) = 0 [pid 8190] <... futex resumed>) = 1 [pid 8189] <... futex resumed>) = 0 [pid 8198] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8191] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8190] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8189] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8191] <... futex resumed>) = 1 [pid 8190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8189] <... futex resumed>) = 0 [pid 8188] <... futex resumed>) = 0 [pid 8198] <... clone resumed>, parent_tid=[8200], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8200 [ 290.012131][ T8191] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8191] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8190] mkdir("./file1", 000 [pid 8189] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8188] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8198] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8190] <... mkdir resumed>) = 0 [pid 8188] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8200 attached [pid 8199] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8198] <... futex resumed>) = 0 [pid 8191] mkdir("./file1", 000 [pid 8190] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8188] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8200] set_robust_list(0x7f76b0b769e0, 24 [pid 8199] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8198] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8191] <... mkdir resumed>) = 0 [pid 8190] <... futex resumed>) = 1 [pid 8189] <... futex resumed>) = 0 [pid 8200] <... set_robust_list resumed>) = 0 [pid 8199] <... futex resumed>) = 1 [pid 8191] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8190] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8189] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8184] <... futex resumed>) = 0 [pid 8200] memfd_create("syzkaller", 0 [pid 8199] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8191] <... futex resumed>) = 1 [pid 8190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8189] <... futex resumed>) = 0 [pid 8188] <... futex resumed>) = 0 [pid 8184] exit_group(0 [pid 8200] <... memfd_create resumed>) = 3 [pid 8199] <... futex resumed>) = ? [pid 8191] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8190] mkdir("./bus", 000 [pid 8189] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8188] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8185] <... futex resumed>) = ? [pid 8184] <... exit_group resumed>) = ? [pid 5008] <... umount2 resumed>) = 0 [pid 8200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8199] +++ exited with 0 +++ [pid 8191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8190] <... mkdir resumed>) = 0 [pid 8188] <... futex resumed>) = 0 [pid 8185] +++ exited with 0 +++ [pid 8184] +++ exited with 0 +++ [pid 5008] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8200] <... mmap resumed>) = 0x7f76a8756000 [pid 8191] mkdir("./bus", 000 [pid 8190] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8188] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8191] <... mkdir resumed>) = 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8184, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 8191] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8191] <... futex resumed>) = 1 [pid 8188] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8191] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8188] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8190] <... futex resumed>) = 1 [pid 8189] <... futex resumed>) = 0 [pid 8188] <... futex resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5008] lstat("./150/file0", [pid 8191] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8190] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8189] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8188] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] fstat(3, [pid 8190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8189] <... futex resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8190] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8189] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] getdents64(3, [pid 5008] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./152/binderfs") = 0 [pid 5012] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8200] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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(AT_FDCWD, "./150/file0", 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, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./150/file0" [pid 8188] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8188] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 8189] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 290.129286][ T8191] overlayfs: upper fs needs to support d_type. [ 290.140269][ T8191] overlayfs: upper fs does not support tmpfile. [ 290.149126][ T8190] overlayfs: upper fs needs to support d_type. [ 290.164213][ T8190] overlayfs: upper fs does not support tmpfile. [ 290.172098][ T8190] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] getdents64(3, [pid 8189] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8188] <... mmap resumed>) = 0x7f76a8b35000 [pid 8189] <... futex resumed>) = 0 [pid 8188] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8188] <... mprotect resumed>) = 0 [pid 8189] <... mmap resumed>) = 0x7f76a8b35000 [pid 8188] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8189] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8189] <... mprotect resumed>) = 0 [pid 8188] <... clone resumed>, parent_tid=[8201], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8201 [pid 8189] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8188] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8189] <... clone resumed>, parent_tid=[8202], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8202 [pid 8188] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8189] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8189] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8202 attached [pid 5008] close(3) = 0 [pid 5008] rmdir("./150" [pid 8202] set_robust_list(0x7f76a8b559e0, 24 [pid 5008] <... rmdir resumed>) = 0 [pid 8202] <... set_robust_list resumed>) = 0 [pid 5008] mkdir("./151", 0777 [pid 8202] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5008] <... mkdir resumed>) = 0 [pid 8202] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 8201 attached [pid 8201] set_robust_list(0x7f76a8b559e0, 24 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8201] <... set_robust_list resumed>) = 0 [ 290.191856][ T8191] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 290.194530][ T8190] overlayfs: failed to resolve './file0': -2 [pid 5008] close(3 [pid 8201] mkdir(".", 0777 [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8203 [pid 8201] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8201] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8202] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8203 attached [pid 8203] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8203] chdir("./151" [pid 8202] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8189] <... futex resumed>) = 0 [pid 8202] <... futex resumed>) = 1 [pid 8202] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8203] <... chdir resumed>) = 0 [pid 8203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8203] setpgid(0, 0) = 0 [pid 8203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8203] write(3, "1000", 4) = 4 [pid 8203] close(3 [pid 8191] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8190] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8203] <... close resumed>) = 0 [pid 8191] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8190] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8203] symlink("/dev/binderfs", "./binderfs" [pid 8191] <... futex resumed>) = 0 [pid 8190] <... futex resumed>) = 0 [pid 8203] <... symlink resumed>) = 0 [pid 8191] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8190] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 290.233660][ T8191] overlayfs: failed to resolve './file0': -2 [ 290.247352][ T8202] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 290.270671][ T8201] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8189] exit_group(0 [pid 8203] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8202] <... futex resumed>) = ? [pid 8201] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8190] <... futex resumed>) = ? [pid 8189] <... exit_group resumed>) = ? [pid 5012] <... umount2 resumed>) = 0 [pid 8203] <... futex resumed>) = 0 [pid 8201] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8190] +++ exited with 0 +++ [pid 8203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8201] <... futex resumed>) = 1 [pid 8203] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8201] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8203] <... mprotect resumed>) = 0 [pid 8203] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8202] +++ exited with 0 +++ [pid 5012] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8203] <... clone resumed>, parent_tid=[8204], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8204 [pid 8203] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8203] <... futex resumed>) = 0 [pid 8203] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] lstat("./152/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./152/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8189] +++ exited with 0 +++ [pid 8188] <... futex resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8189, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5012] fstat(4, [pid 8188] exit_group(0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8201] <... futex resumed>) = ? [pid 8191] <... futex resumed>) = ? [pid 8188] <... exit_group resumed>) = ? [pid 5012] getdents64(4, [pid 8201] +++ exited with 0 +++ [pid 8191] +++ exited with 0 +++ [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./152/file0") = 0 [pid 5012] getdents64(3, [pid 8188] +++ exited with 0 +++ [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] close(3 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8188, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8200] <... write resumed>) = 4194304 [pid 5012] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8200] munmap(0x7f76a8756000, 4194304 [pid 5012] rmdir("./152"./strace-static-x86_64: Process 8204 attached [pid 5009] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8204] set_robust_list(0x7f76b0b769e0, 24 [pid 5012] <... rmdir resumed>) = 0 [pid 5010] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... openat resumed>) = 3 [pid 8204] <... set_robust_list resumed>) = 0 [pid 8200] <... munmap resumed>) = 0 [pid 5012] mkdir("./153", 0777 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] fstat(3, [pid 8204] memfd_create("syzkaller", 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8204] <... memfd_create resumed>) = 3 [pid 8200] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5010] <... openat resumed>) = 3 [pid 5009] getdents64(3, [pid 8204] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... openat resumed>) = 3 [pid 5010] fstat(3, [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8204] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8200] <... openat resumed>) = 4 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] getdents64(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8200] ioctl(4, LOOP_SET_FD, 3 [pid 5012] close(3 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] lstat("./150/binderfs", [pid 8204] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] <... close resumed>) = 0 [pid 5010] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] unlink("./150/binderfs" [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] lstat("./151/binderfs", [pid 5009] <... unlink resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] unlink("./151/binderfs") = 0 [pid 5010] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8205 ./strace-static-x86_64: Process 8205 attached [pid 8200] <... ioctl resumed>) = 0 [pid 8205] set_robust_list(0x555556dec5e0, 24 [pid 8200] close(3 [pid 8205] <... set_robust_list resumed>) = 0 [pid 8200] <... close resumed>) = 0 [pid 8205] chdir("./153" [pid 8200] mkdir("./file0", 0777 [pid 8205] <... chdir resumed>) = 0 [pid 8200] <... mkdir resumed>) = 0 [pid 8205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8200] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8205] <... prctl resumed>) = 0 [pid 8205] setpgid(0, 0) = 0 [pid 8205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8205] write(3, "1000", 4) = 4 [pid 8205] close(3) = 0 [pid 8205] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8205] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 290.366132][ T8200] loop3: detected capacity change from 0 to 8192 [pid 8205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8205] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8205] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8207], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8207 [pid 8205] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8205] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8207 attached [ 290.419599][ T8200] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 290.433935][ T8200] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 290.446712][ T8200] REISERFS (device loop3): using ordered data mode [ 290.454140][ T8200] reiserfs: using flush barriers [pid 8207] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8207] memfd_create("syzkaller", 0) = 3 [pid 8207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 290.462600][ T8200] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 290.480173][ T8200] REISERFS (device loop3): checking transaction log (loop3) [ 290.490758][ T8200] REISERFS (device loop3): Using r5 hash to sort names [ 290.498424][ T8200] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8200] <... mount resumed>) = 0 [pid 8200] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8200] chdir("./file0") = 0 [pid 8200] ioctl(4, LOOP_CLR_FD) = 0 [pid 8200] close(4 [pid 8204] <... write resumed>) = 4194304 [pid 8200] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = 0 [pid 8204] munmap(0x7f76a8756000, 4194304 [pid 8200] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 290.511960][ T8200] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5010] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8204] <... munmap resumed>) = 0 [pid 8200] <... futex resumed>) = 1 [pid 8204] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8200] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8198] <... futex resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8204] <... openat resumed>) = 4 [pid 8198] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] lstat("./151/file0", [pid 8204] ioctl(4, LOOP_SET_FD, 3 [pid 8200] <... futex resumed>) = 0 [pid 8198] <... futex resumed>) = 1 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8207] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8204] <... ioctl resumed>) = 0 [pid 8200] mkdir("./file1", 000 [pid 8198] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8204] close(3 [pid 8200] <... mkdir resumed>) = 0 [pid 8200] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8204] <... close resumed>) = 0 [pid 8204] mkdir("./file0", 0777 [pid 8200] <... futex resumed>) = 1 [pid 8198] <... futex resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./151/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8204] <... mkdir resumed>) = 0 [pid 8200] mkdir("./bus", 000 [pid 8198] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... openat resumed>) = 4 [pid 8204] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8200] <... mkdir resumed>) = 0 [pid 8198] <... futex resumed>) = 0 [pid 5010] fstat(4, [pid 8200] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8198] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8200] <... futex resumed>) = 0 [pid 8198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8200] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8198] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] getdents64(4, [pid 5009] <... umount2 resumed>) = 0 [pid 8200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8198] <... futex resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8200] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8198] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] getdents64(4, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 290.565053][ T8204] loop0: detected capacity change from 0 to 8192 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] lstat("./150/file0", [pid 5010] close(4 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./151/file0" [pid 5009] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] getdents64(3, [pid 5009] openat(AT_FDCWD, "./150/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8207] <... write resumed>) = 4194304 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] <... openat resumed>) = 4 [pid 5010] close(3 [pid 5009] fstat(4, [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./151" [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8207] munmap(0x7f76a8756000, 4194304) = 0 [pid 8207] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 290.609355][ T8200] overlayfs: upper fs needs to support d_type. [ 290.616617][ T8204] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 290.630559][ T8200] overlayfs: upper fs does not support tmpfile. [ 290.637892][ T8204] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 290.648965][ T8200] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8207] ioctl(4, LOOP_SET_FD, 3 [pid 8198] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] <... rmdir resumed>) = 0 [pid 5009] getdents64(4, [pid 8198] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8198] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8198] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8209], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8209 [pid 8198] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8198] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] mkdir("./152", 0777./strace-static-x86_64: Process 8209 attached [pid 8207] <... ioctl resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8207] close(3 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] getdents64(4, [pid 8207] <... close resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8207] mkdir("./file0", 0777 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] close(4 [pid 8207] <... mkdir resumed>) = 0 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... close resumed>) = 0 [pid 8207] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5010] close(3 [pid 5009] rmdir("./150/file0" [pid 5010] <... close resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 8211 attached [pid 8209] set_robust_list(0x7f76a8b559e0, 24 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8211 [pid 5009] close(3) = 0 [pid 5009] rmdir("./150") = 0 [ 290.656474][ T8204] REISERFS (device loop0): using ordered data mode [ 290.658965][ T8200] overlayfs: failed to resolve './file0': -2 [ 290.665968][ T8204] reiserfs: using flush barriers [ 290.669453][ T8207] loop4: detected capacity change from 0 to 8192 [ 290.681528][ T8204] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 290.700288][ T8204] REISERFS (device loop0): checking transaction log (loop0) [pid 5009] mkdir("./151", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8212 [pid 8211] set_robust_list(0x555556dec5e0, 24 [pid 8209] <... set_robust_list resumed>) = 0 [pid 8209] mkdir(".", 0777./strace-static-x86_64: Process 8212 attached [pid 8211] <... set_robust_list resumed>) = 0 [pid 8212] set_robust_list(0x555556dec5e0, 24 [pid 8209] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8212] <... set_robust_list resumed>) = 0 [pid 8211] chdir("./152" [pid 8209] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8212] chdir("./151" [pid 8200] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8212] <... chdir resumed>) = 0 [pid 8211] <... chdir resumed>) = 0 [pid 8200] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8200] <... futex resumed>) = 0 [pid 8212] <... prctl resumed>) = 0 [pid 8200] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8212] setpgid(0, 0 [pid 8211] <... prctl resumed>) = 0 [pid 8212] <... setpgid resumed>) = 0 [pid 8211] setpgid(0, 0 [pid 8212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8211] <... setpgid resumed>) = 0 [pid 8212] <... openat resumed>) = 3 [pid 8211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8212] write(3, "1000", 4) = 4 [pid 8211] <... openat resumed>) = 3 [pid 8212] close(3 [pid 8211] write(3, "1000", 4 [pid 8212] <... close resumed>) = 0 [pid 8211] <... write resumed>) = 4 [pid 8212] symlink("/dev/binderfs", "./binderfs" [pid 8211] close(3 [pid 8212] <... symlink resumed>) = 0 [ 290.712996][ T8204] REISERFS (device loop0): Using r5 hash to sort names [ 290.720586][ T8207] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 290.749168][ T8209] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8212] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8211] <... close resumed>) = 0 [pid 8212] <... futex resumed>) = 0 [pid 8212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8212] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8212] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8213], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8213 [pid 8212] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8212] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8211] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8211] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8211] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8211] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8214], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8214 [pid 8211] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8211] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8214 attached [pid 8214] set_robust_list(0x7f76b0b769e0, 24./strace-static-x86_64: Process 8213 attached [ 290.750450][ T8207] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 290.763531][ T8204] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 290.781200][ T8207] REISERFS (device loop4): using ordered data mode [ 290.791536][ T8207] reiserfs: using flush barriers ) = 0 [pid 8213] set_robust_list(0x7f76b0b769e0, 24 [pid 8209] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8214] memfd_create("syzkaller", 0 [pid 8213] <... set_robust_list resumed>) = 0 [pid 8213] memfd_create("syzkaller", 0) = 3 [pid 8213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8214] <... memfd_create resumed>) = 3 [pid 8209] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8214] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8209] <... futex resumed>) = 1 [pid 8198] <... futex resumed>) = 0 [pid 8198] exit_group(0) = ? [pid 8214] <... mmap resumed>) = 0x7f76a8756000 [pid 8200] <... futex resumed>) = ? [pid 8209] +++ exited with 0 +++ [pid 8207] <... mount resumed>) = 0 [pid 8200] +++ exited with 0 +++ [pid 8198] +++ exited with 0 +++ [pid 8207] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8198, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 8207] chdir("./file0" [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 8207] <... chdir resumed>) = 0 [pid 5011] <... restart_syscall resumed>) = 0 [pid 8207] ioctl(4, LOOP_CLR_FD) = 0 [pid 8207] close(4 [pid 5011] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8207] <... close resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8207] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8204] <... mount resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8207] <... futex resumed>) = 1 [pid 8205] <... futex resumed>) = 0 [ 290.798178][ T8207] 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 [ 290.815159][ T8207] REISERFS (device loop4): checking transaction log (loop4) [ 290.823692][ T8204] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 290.833691][ T8207] REISERFS (device loop4): Using r5 hash to sort names [ 290.841014][ T8207] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 290.853879][ T8207] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8204] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5011] <... openat resumed>) = 3 [pid 8207] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8205] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8204] <... openat resumed>) = 3 [pid 5011] fstat(3, [pid 8207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8205] <... futex resumed>) = 0 [pid 8204] chdir("./file0" [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8214] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8213] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8207] mkdir("./file1", 000 [pid 8205] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8204] <... chdir resumed>) = 0 [pid 5011] getdents64(3, [pid 8207] <... mkdir resumed>) = 0 [pid 8204] ioctl(4, LOOP_CLR_FD [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8207] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8204] <... ioctl resumed>) = 0 [pid 5011] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8207] <... futex resumed>) = 1 [pid 8205] <... futex resumed>) = 0 [pid 8204] close(4 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8207] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8205] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8204] <... close resumed>) = 0 [pid 5011] lstat("./152/binderfs", [pid 8207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8205] <... futex resumed>) = 0 [pid 8204] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8207] mkdir("./bus", 000 [pid 8205] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8204] <... futex resumed>) = 1 [pid 8203] <... futex resumed>) = 0 [pid 5011] unlink("./152/binderfs" [pid 8207] <... mkdir resumed>) = 0 [pid 8204] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8203] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... unlink resumed>) = 0 [pid 8207] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8203] <... futex resumed>) = 0 [pid 5011] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8207] <... futex resumed>) = 1 [pid 8205] <... futex resumed>) = 0 [pid 8204] mkdir("./file1", 000 [pid 8203] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8207] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8205] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8204] <... mkdir resumed>) = 0 [pid 8207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8205] <... futex resumed>) = 0 [pid 8204] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8207] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8205] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8204] <... futex resumed>) = 1 [pid 8203] <... futex resumed>) = 0 [pid 8204] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8203] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8203] <... futex resumed>) = 0 [pid 8204] mkdir("./bus", 000 [pid 8203] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8204] <... mkdir resumed>) = 0 [pid 8204] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8203] <... futex resumed>) = 0 [pid 8204] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8203] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8203] <... futex resumed>) = 0 [pid 8205] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8204] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8203] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 290.951982][ T8207] overlayfs: upper fs needs to support d_type. [ 290.975311][ T8207] overlayfs: upper fs does not support tmpfile. [ 290.982247][ T8207] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8205] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8214] <... write resumed>) = 4194304 [pid 8205] <... futex resumed>) = 0 [pid 8205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8214] munmap(0x7f76a8756000, 4194304) = 0 [pid 8205] <... mmap resumed>) = 0x7f76a8b35000 [pid 8205] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8205] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8215], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8215 ./strace-static-x86_64: Process 8215 attached [pid 8215] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8205] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8205] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8215] mkdir(".", 0777 [pid 8214] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8215] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8214] ioctl(4, LOOP_SET_FD, 3 [ 291.005000][ T8204] overlayfs: upper fs needs to support d_type. [ 291.017141][ T8204] overlayfs: upper fs does not support tmpfile. [ 291.028961][ T8207] overlayfs: failed to resolve './file0': -2 [ 291.039112][ T8204] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8215] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8203] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8203] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8213] <... write resumed>) = 4194304 [pid 8203] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8213] munmap(0x7f76a8756000, 4194304 [pid 8203] <... mprotect resumed>) = 0 [pid 8203] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8213] <... munmap resumed>) = 0 [pid 8203] <... clone resumed>, parent_tid=[8216], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8216 [pid 8213] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8203] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8214] <... ioctl resumed>) = 0 [pid 8203] <... futex resumed>) = 0 [pid 8214] close(3 [pid 8213] <... openat resumed>) = 4 [pid 8203] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8216 attached [pid 8214] <... close resumed>) = 0 [pid 8213] ioctl(4, LOOP_SET_FD, 3 [pid 8207] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] <... umount2 resumed>) = 0 [pid 8216] set_robust_list(0x7f76a8b559e0, 24 [pid 8214] mkdir("./file0", 0777 [pid 8207] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8207] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8215] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8215] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8205] <... futex resumed>) = 0 [pid 8205] exit_group(0 [pid 8207] <... futex resumed>) = ? [pid 8205] <... exit_group resumed>) = ? [pid 8207] +++ exited with 0 +++ [pid 8215] <... futex resumed>) = ? [pid 8214] <... mkdir resumed>) = 0 [pid 8216] <... set_robust_list resumed>) = 0 [pid 8216] mkdir(".", 0777 [pid 8214] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8216] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5011] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8216] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8204] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8204] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8204] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8215] +++ exited with 0 +++ [pid 8205] +++ exited with 0 +++ [pid 5011] lstat("./152/file0", [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8205, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] openat(AT_FDCWD, "./152/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] fstat(3, [pid 5011] <... openat resumed>) = 4 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 291.053520][ T8214] loop2: detected capacity change from 0 to 8192 [ 291.069395][ T8204] overlayfs: failed to resolve './file0': -2 [ 291.071593][ T8215] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 291.090209][ T8213] loop1: detected capacity change from 0 to 8192 [pid 5012] getdents64(3, [pid 5011] fstat(4, [pid 8213] <... ioctl resumed>) = 0 [pid 8213] close(3) = 0 [pid 8213] mkdir("./file0", 0777) = 0 [pid 8213] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./153/binderfs") = 0 [ 291.109746][ T8216] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 291.124420][ T8213] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 291.124921][ T8214] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 291.141959][ T8213] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5012] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8216] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8216] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(4, [pid 8216] <... futex resumed>) = 1 [pid 8203] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8216] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8203] exit_group(0 [pid 5011] getdents64(4, [pid 8216] <... futex resumed>) = ? [pid 8204] <... futex resumed>) = ? [pid 8203] <... exit_group resumed>) = ? [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8204] +++ exited with 0 +++ [pid 8216] +++ exited with 0 +++ [pid 8203] +++ exited with 0 +++ [pid 5011] close(4) = 0 [pid 5011] rmdir("./152/file0" [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8203, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5011] <... rmdir resumed>) = 0 [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5011] getdents64(3, [pid 5008] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] close(3 [pid 5008] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5011] rmdir("./152" [pid 5008] fstat(3, [pid 5011] <... rmdir resumed>) = 0 [pid 5011] mkdir("./153", 0777 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5008] getdents64(3, [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] <... openat resumed>) = 3 [pid 5008] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] lstat("./151/binderfs", [ 291.151212][ T8214] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 291.161798][ T8213] REISERFS (device loop1): using ordered data mode [ 291.177244][ T8213] reiserfs: using flush barriers [ 291.192050][ T8214] REISERFS (device loop2): using ordered data mode [pid 5011] close(3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] <... close resumed>) = 0 [pid 5008] unlink("./151/binderfs" [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... unlink resumed>) = 0 [pid 5008] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8219 ./strace-static-x86_64: Process 8219 attached [pid 8219] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8219] chdir("./153") = 0 [pid 8219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8219] setpgid(0, 0) = 0 [pid 8219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8219] write(3, "1000", 4) = 4 [pid 8219] close(3) = 0 [ 291.198826][ T8213] 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 [ 291.216590][ T8213] REISERFS (device loop1): checking transaction log (loop1) [ 291.234026][ T8213] REISERFS (device loop1): Using r5 hash to sort names [ 291.242021][ T8213] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8219] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... umount2 resumed>) = 0 [pid 8219] <... symlink resumed>) = 0 [pid 8219] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8219] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8219] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8213] <... mount resumed>) = 0 [pid 8213] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8213] chdir("./file0" [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8219] <... clone resumed>, parent_tid=[8220], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8220 ./strace-static-x86_64: Process 8220 attached [pid 8219] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] lstat("./153/file0", [pid 8220] set_robust_list(0x7f76b0b769e0, 24 [pid 8219] <... futex resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8220] <... set_robust_list resumed>) = 0 [pid 8219] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8213] <... chdir resumed>) = 0 [pid 5012] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 291.270294][ T8214] reiserfs: using flush barriers [ 291.272718][ T8213] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 291.295106][ T8214] 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 8220] memfd_create("syzkaller", 0) = 3 [pid 8213] ioctl(4, LOOP_CLR_FD [pid 5012] openat(AT_FDCWD, "./153/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8220] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... openat resumed>) = 4 [pid 8220] <... mmap resumed>) = 0x7f76a8756000 [pid 5012] fstat(4, [pid 8213] <... ioctl resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./151/file0", [pid 8213] close(4 [pid 5012] getdents64(4, [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] openat(AT_FDCWD, "./151/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8213] <... close resumed>) = 0 [pid 5012] getdents64(4, [pid 8213] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... openat resumed>) = 4 [pid 5008] fstat(4, [pid 8213] <... futex resumed>) = 1 [pid 8212] <... futex resumed>) = 0 [pid 5012] close(4 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8213] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8212] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... close resumed>) = 0 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4 [pid 8213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8212] <... futex resumed>) = 0 [pid 5012] rmdir("./153/file0" [pid 5008] <... close resumed>) = 0 [pid 8213] mkdir("./file1", 000 [pid 8212] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] rmdir("./151/file0" [pid 8213] <... mkdir resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 8213] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(3, [pid 5008] getdents64(3, [pid 8213] <... futex resumed>) = 1 [pid 8212] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8213] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8212] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] close(3 [pid 5008] close(3 [pid 8213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8212] <... futex resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 8213] mkdir("./bus", 000 [pid 8212] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] rmdir("./153" [pid 5008] rmdir("./151" [pid 8213] <... mkdir resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 8213] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... rmdir resumed>) = 0 [pid 5008] mkdir("./152", 0777 [pid 8213] <... futex resumed>) = 1 [pid 8212] <... futex resumed>) = 0 [pid 5012] mkdir("./154", 0777 [pid 5008] <... mkdir resumed>) = 0 [pid 8213] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8212] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5012] <... mkdir resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 8213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8212] <... futex resumed>) = 0 [ 291.328043][ T8214] REISERFS (device loop2): checking transaction log (loop2) [ 291.348772][ T8214] REISERFS (device loop2): Using r5 hash to sort names [ 291.356234][ T8214] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8213] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8212] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... openat resumed>) = 3 [pid 5008] close(3 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8221 ./strace-static-x86_64: Process 8221 attached [pid 8221] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8221] chdir("./152") = 0 [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8221] <... prctl resumed>) = 0 [pid 8221] setpgid(0, 0) = 0 [pid 8221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8222 [pid 8214] <... mount resumed>) = 0 ./strace-static-x86_64: Process 8222 attached [pid 8214] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8214] chdir("./file0") = 0 [pid 8221] <... openat resumed>) = 3 [pid 8214] ioctl(4, LOOP_CLR_FD [pid 8221] write(3, "1000", 4 [pid 8214] <... ioctl resumed>) = 0 [pid 8221] <... write resumed>) = 4 [pid 8214] close(4 [pid 8221] close(3 [pid 8214] <... close resumed>) = 0 [pid 8222] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8221] <... close resumed>) = 0 [pid 8214] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8221] symlink("/dev/binderfs", "./binderfs" [pid 8214] <... futex resumed>) = 1 [pid 8211] <... futex resumed>) = 0 [pid 8222] chdir("./154" [pid 8221] <... symlink resumed>) = 0 [pid 8214] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8211] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8222] <... chdir resumed>) = 0 [pid 8221] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 291.385342][ T8214] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 291.396791][ T8213] overlayfs: upper fs needs to support d_type. [ 291.403050][ T8213] overlayfs: upper fs does not support tmpfile. [pid 8211] <... futex resumed>) = 0 [pid 8222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8221] <... futex resumed>) = 0 [pid 8220] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8214] mkdir("./file1", 000 [pid 8211] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8214] <... mkdir resumed>) = 0 [pid 8221] <... mmap resumed>) = 0x7f76b0b56000 [pid 8214] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8221] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8214] <... futex resumed>) = 1 [pid 8211] <... futex resumed>) = 0 [pid 8221] <... mprotect resumed>) = 0 [pid 8214] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8211] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8221] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8211] <... futex resumed>) = 0 [pid 8214] mkdir("./bus", 000 [pid 8211] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8222] <... prctl resumed>) = 0 [pid 8221] <... clone resumed>, parent_tid=[8223], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8223 [pid 8214] <... mkdir resumed>) = 0 [pid 8212] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8222] setpgid(0, 0 [pid 8221] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8214] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8212] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8222] <... setpgid resumed>) = 0 [pid 8221] <... futex resumed>) = 0 [pid 8214] <... futex resumed>) = 1 [pid 8212] <... futex resumed>) = 0 [pid 8211] <... futex resumed>) = 0 [pid 8222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8221] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8214] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8211] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8222] <... openat resumed>) = 3 [pid 8214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8211] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8223 attached [pid 8222] write(3, "1000", 4 [pid 8214] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8212] <... mmap resumed>) = 0x7f76a8b35000 [pid 8211] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8223] set_robust_list(0x7f76b0b769e0, 24 [pid 8222] <... write resumed>) = 4 [pid 8223] <... set_robust_list resumed>) = 0 [pid 8223] memfd_create("syzkaller", 0 [pid 8222] close(3 [pid 8212] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8223] <... memfd_create resumed>) = 3 [pid 8222] <... close resumed>) = 0 [pid 8223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8222] symlink("/dev/binderfs", "./binderfs" [pid 8212] <... mprotect resumed>) = 0 [pid 8223] <... mmap resumed>) = 0x7f76a8756000 [pid 8222] <... symlink resumed>) = 0 [pid 8212] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8222] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8212] <... clone resumed>, parent_tid=[8224], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8224 [pid 8222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8212] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8222] <... mmap resumed>) = 0x7f76b0b56000 [pid 8212] <... futex resumed>) = 0 [pid 8212] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8222] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8222] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8225], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8225 [pid 8222] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 291.442207][ T8213] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 291.458759][ T8214] overlayfs: upper fs needs to support d_type. [ 291.465028][ T8214] overlayfs: upper fs does not support tmpfile. [ 291.478204][ T8213] overlayfs: failed to resolve './file0': -2 [pid 8222] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8224 attached [pid 8224] set_robust_list(0x7f76a8b559e0, 24 [pid 8213] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8224] <... set_robust_list resumed>) = 0 [pid 8213] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8211] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8224] mkdir(".", 0777 [pid 8213] <... futex resumed>) = 0 [pid 8211] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8225 attached [pid 8224] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8220] <... write resumed>) = 4194304 [pid 8213] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8211] <... futex resumed>) = 0 [pid 8225] set_robust_list(0x7f76b0b769e0, 24 [pid 8224] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8220] munmap(0x7f76a8756000, 4194304 [ 291.504127][ T8214] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8225] <... set_robust_list resumed>) = 0 [pid 8223] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8220] <... munmap resumed>) = 0 [pid 8211] <... mmap resumed>) = 0x7f76a8b35000 [pid 8225] memfd_create("syzkaller", 0 [pid 8220] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8214] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8225] <... memfd_create resumed>) = 3 [pid 8220] <... openat resumed>) = 4 [pid 8214] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8211] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8224] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8220] ioctl(4, LOOP_SET_FD, 3 [pid 8214] <... futex resumed>) = 0 [pid 8211] <... mprotect resumed>) = 0 [pid 8224] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8211] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8224] <... futex resumed>) = 1 [pid 8212] <... futex resumed>) = 0 [pid 8225] <... mmap resumed>) = 0x7f76a8756000 [pid 8224] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8212] exit_group(0 [pid 8211] <... clone resumed>, parent_tid=[8226], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8226 [pid 8224] <... futex resumed>) = ? [pid 8212] <... exit_group resumed>) = ? [pid 8211] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8224] +++ exited with 0 +++ [pid 8211] <... futex resumed>) = 0 [pid 8211] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8214] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8213] <... futex resumed>) = ? [pid 8213] +++ exited with 0 +++ [pid 8212] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8212, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5009] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./151/binderfs") = 0 [pid 5009] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8220] <... ioctl resumed>) = 0 [pid 8220] close(3) = 0 [pid 8220] mkdir("./file0", 0777) = 0 [ 291.544629][ T8214] overlayfs: failed to resolve './file0': -2 [ 291.546735][ T8224] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 291.581692][ T8220] loop3: detected capacity change from 0 to 8192 [pid 8220] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8226 attached [pid 8226] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8226] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8226] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8223] <... write resumed>) = 4194304 [pid 8223] munmap(0x7f76a8756000, 4194304) = 0 [pid 8223] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8223] ioctl(4, LOOP_SET_FD, 3 [pid 8226] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8226] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8211] <... futex resumed>) = 0 [pid 8211] exit_group(0) = ? [pid 8214] <... futex resumed>) = ? [pid 8214] +++ exited with 0 +++ [pid 8226] <... futex resumed>) = ? [ 291.638572][ T8220] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 291.653007][ T8226] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 291.673574][ T8223] loop0: detected capacity change from 0 to 8192 [pid 8226] +++ exited with 0 +++ [pid 8211] +++ exited with 0 +++ [pid 8223] <... ioctl resumed>) = 0 [pid 8223] close(3) = 0 [pid 8223] mkdir("./file0", 0777) = 0 [pid 8223] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8211, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5010] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./152/binderfs") = 0 [pid 5010] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 291.692393][ T8220] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 291.703652][ T8220] REISERFS (device loop3): using ordered data mode [ 291.711499][ T8220] reiserfs: using flush barriers [ 291.719613][ T8220] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 291.737105][ T8223] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 291.750682][ T8223] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 291.761315][ T8223] REISERFS (device loop0): using ordered data mode [ 291.769077][ T8223] reiserfs: using flush barriers [ 291.775962][ T8223] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8225] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... umount2 resumed>) = 0 [pid 5009] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./151/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./151/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [ 291.792813][ T8223] REISERFS (device loop0): checking transaction log (loop0) [ 291.804551][ T8223] REISERFS (device loop0): Using r5 hash to sort names [ 291.828890][ T8220] REISERFS (device loop3): checking transaction log (loop3) [pid 5009] rmdir("./151/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./151") = 0 [pid 5009] mkdir("./152", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8229 attached [pid 8229] set_robust_list(0x555556dec5e0, 24 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8229 [pid 8229] <... set_robust_list resumed>) = 0 [pid 8229] chdir("./152") = 0 [pid 8229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8229] setpgid(0, 0) = 0 [pid 5010] <... umount2 resumed>) = 0 [pid 8229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8223] <... mount resumed>) = 0 [pid 5010] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8229] <... openat resumed>) = 3 [ 291.839881][ T8223] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 291.877076][ T8223] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 291.885768][ T8220] REISERFS (device loop3): Using r5 hash to sort names [pid 8223] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8229] write(3, "1000", 4 [pid 8223] <... openat resumed>) = 3 [pid 5010] lstat("./152/file0", [pid 8229] <... write resumed>) = 4 [pid 8223] chdir("./file0" [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8229] close(3 [pid 8223] <... chdir resumed>) = 0 [pid 5010] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8229] <... close resumed>) = 0 [pid 8223] ioctl(4, LOOP_CLR_FD [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8229] symlink("/dev/binderfs", "./binderfs" [pid 8223] <... ioctl resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./152/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8229] <... symlink resumed>) = 0 [pid 8223] close(4 [pid 5010] <... openat resumed>) = 4 [pid 8229] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8223] <... close resumed>) = 0 [pid 5010] fstat(4, [pid 8229] <... futex resumed>) = 0 [pid 8223] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8223] <... futex resumed>) = 1 [pid 8221] <... futex resumed>) = 0 [pid 8221] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8221] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8229] <... mmap resumed>) = 0x7f76b0b56000 [pid 8223] mkdir("./file1", 000 [pid 5010] getdents64(4, [pid 8223] <... mkdir resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8229] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8223] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] getdents64(4, [pid 8229] <... mprotect resumed>) = 0 [pid 8223] <... futex resumed>) = 1 [pid 8221] <... futex resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8221] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8229] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8221] <... futex resumed>) = 0 [pid 5010] close(4 [pid 8223] mkdir("./bus", 000 [pid 8221] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... close resumed>) = 0 [pid 8223] <... mkdir resumed>) = 0 [pid 8229] <... clone resumed>, parent_tid=[8230], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8230 [pid 8223] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 291.901672][ T8220] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 291.936350][ T8223] overlayfs: upper fs needs to support d_type. [pid 5010] rmdir("./152/file0" [pid 8229] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8223] <... futex resumed>) = 1 [pid 8221] <... futex resumed>) = 0 [pid 8221] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8221] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... rmdir resumed>) = 0 [pid 8223] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8229] <... futex resumed>) = 0 [pid 5010] getdents64(3, ./strace-static-x86_64: Process 8230 attached [pid 8230] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8230] memfd_create("syzkaller", 0) = 3 [pid 8230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8229] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./152") = 0 [pid 5010] mkdir("./153", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 8225] <... write resumed>) = 4194304 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 8225] munmap(0x7f76a8756000, 4194304 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8225] <... munmap resumed>) = 0 [pid 8225] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5010] close(3 [pid 8225] <... openat resumed>) = 4 [pid 5010] <... close resumed>) = 0 [pid 8225] ioctl(4, LOOP_SET_FD, 3 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8221] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8221] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8225] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 8231 attached [pid 8225] close(3 [ 291.944856][ T8220] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 291.945615][ T8223] overlayfs: upper fs does not support tmpfile. [ 291.971384][ T8223] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 291.979317][ T8225] loop4: detected capacity change from 0 to 8192 [pid 8221] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8231 [pid 8231] set_robust_list(0x555556dec5e0, 24 [pid 8225] <... close resumed>) = 0 [pid 8221] <... mprotect resumed>) = 0 [pid 8221] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8232], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8232 [pid 8221] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8231] <... set_robust_list resumed>) = 0 [pid 8225] mkdir("./file0", 0777 [pid 8221] <... futex resumed>) = 0 [pid 8220] <... mount resumed>) = 0 [pid 8231] chdir("./153" [pid 8221] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8225] <... mkdir resumed>) = 0 [pid 8220] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8231] <... chdir resumed>) = 0 [pid 8225] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8232 attached [pid 8231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8220] <... openat resumed>) = 3 [pid 8232] set_robust_list(0x7f76a8b559e0, 24 [pid 8231] <... prctl resumed>) = 0 [pid 8220] chdir("./file0" [pid 8231] setpgid(0, 0 [pid 8232] <... set_robust_list resumed>) = 0 [pid 8231] <... setpgid resumed>) = 0 [pid 8223] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8220] <... chdir resumed>) = 0 [pid 8232] mkdir(".", 0777 [pid 8231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8232] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8232] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8231] <... openat resumed>) = 3 [pid 8230] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8223] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8220] ioctl(4, LOOP_CLR_FD [pid 8232] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8232] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8221] <... futex resumed>) = 0 [pid 8221] exit_group(0) = ? [pid 8232] <... futex resumed>) = ? [pid 8232] +++ exited with 0 +++ [pid 8231] write(3, "1000", 4) = 4 [ 292.002672][ T8223] overlayfs: failed to resolve './file0': -2 [ 292.017965][ T8225] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 292.028510][ T8232] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 292.043619][ T8225] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8231] close(3) = 0 [pid 8231] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8223] <... futex resumed>) = ? [pid 8220] <... ioctl resumed>) = 0 [pid 8231] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8223] +++ exited with 0 +++ [pid 8221] +++ exited with 0 +++ [pid 8220] close(4 [pid 8231] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8220] <... close resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8221, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 8231] <... mprotect resumed>) = 0 [pid 8231] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8231] <... clone resumed>, parent_tid=[8234], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8234 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8231] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8231] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 8231] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] fstat(3, [pid 8220] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8220] <... futex resumed>) = 1 [pid 8219] <... futex resumed>) = 0 [pid 5008] unlink("./152/binderfs" [pid 8220] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8219] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... unlink resumed>) = 0 [pid 8220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8234 attached [pid 8234] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8234] memfd_create("syzkaller", 0 [pid 8220] mkdir("./file1", 000 [pid 8219] <... futex resumed>) = 0 [pid 8234] <... memfd_create resumed>) = 3 [pid 8220] <... mkdir resumed>) = 0 [ 292.065363][ T8225] REISERFS (device loop4): using ordered data mode [ 292.072135][ T8225] reiserfs: using flush barriers [ 292.079452][ T8225] 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 [ 292.096126][ T8225] REISERFS (device loop4): checking transaction log (loop4) [pid 8219] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8220] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8220] <... futex resumed>) = 0 [pid 8219] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8220] mkdir("./bus", 000 [pid 8219] <... futex resumed>) = 0 [pid 8234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8220] <... mkdir resumed>) = 0 [pid 8219] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8234] <... mmap resumed>) = 0x7f76a8756000 [ 292.112430][ T8225] REISERFS (device loop4): Using r5 hash to sort names [pid 8220] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8220] <... futex resumed>) = 0 [pid 8219] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8234] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8220] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8219] <... futex resumed>) = 0 [ 292.136917][ T8225] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 292.153013][ T8220] overlayfs: upper fs needs to support d_type. [ 292.167363][ T8220] overlayfs: upper fs does not support tmpfile. [pid 8219] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8219] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8219] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8219] clone(child_stack=0x7f76a8b553f0, 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 8219] <... clone resumed>, parent_tid=[8235], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8235 [pid 8219] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 292.185153][ T8220] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 292.211570][ T8225] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8219] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8235 attached [pid 8234] <... write resumed>) = 4194304 [pid 8230] <... write resumed>) = 4194304 [pid 8225] <... mount resumed>) = 0 [pid 5008] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8235] set_robust_list(0x7f76a8b559e0, 24 [pid 8234] munmap(0x7f76a8756000, 4194304 [pid 8230] munmap(0x7f76a8756000, 4194304 [pid 8225] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8235] <... set_robust_list resumed>) = 0 [pid 8234] <... munmap resumed>) = 0 [pid 8230] <... munmap resumed>) = 0 [pid 8225] <... openat resumed>) = 3 [pid 5008] lstat("./152/file0", [pid 8235] mkdir(".", 0777 [pid 8234] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8230] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8225] chdir("./file0" [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8235] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8234] <... openat resumed>) = 4 [pid 8230] <... openat resumed>) = 4 [pid 8225] <... chdir resumed>) = 0 [pid 5008] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8235] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8234] ioctl(4, LOOP_SET_FD, 3 [pid 8230] ioctl(4, LOOP_SET_FD, 3 [pid 8225] ioctl(4, LOOP_CLR_FD [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8234] <... ioctl resumed>) = 0 [pid 8230] <... ioctl resumed>) = 0 [pid 8225] <... ioctl resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./152/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8234] close(3 [pid 8225] close(4 [pid 5008] <... openat resumed>) = 4 [pid 8234] <... close resumed>) = 0 [pid 8225] <... close resumed>) = 0 [pid 5008] fstat(4, [pid 8234] mkdir("./file0", 0777 [pid 8225] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8234] <... mkdir resumed>) = 0 [pid 8225] <... futex resumed>) = 1 [pid 8222] <... futex resumed>) = 0 [pid 5008] getdents64(4, [pid 8234] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8225] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8222] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8222] <... futex resumed>) = 0 [pid 5008] getdents64(4, [pid 8225] mkdir("./file1", 000 [pid 8222] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8225] <... mkdir resumed>) = 0 [pid 5008] close(4 [pid 8225] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... close resumed>) = 0 [pid 8225] <... futex resumed>) = 1 [pid 8222] <... futex resumed>) = 0 [pid 5008] rmdir("./152/file0" [pid 8235] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8230] close(3 [ 292.243699][ T8220] overlayfs: failed to resolve './file0': -2 [ 292.260064][ T8234] loop2: detected capacity change from 0 to 8192 [ 292.267660][ T8230] loop1: detected capacity change from 0 to 8192 [ 292.271684][ T8235] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8225] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8222] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8220] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] <... rmdir resumed>) = 0 [pid 8235] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8220] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8235] <... futex resumed>) = 1 [pid 8220] <... futex resumed>) = 0 [pid 8219] <... futex resumed>) = 0 [pid 8235] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8220] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8219] exit_group(0 [pid 8235] <... futex resumed>) = ? [pid 8220] <... futex resumed>) = ? [pid 8219] <... exit_group resumed>) = ? [pid 8230] <... close resumed>) = 0 [pid 8225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8222] <... futex resumed>) = 0 [pid 8220] +++ exited with 0 +++ [pid 5008] getdents64(3, [pid 8230] mkdir("./file0", 0777 [pid 8225] mkdir("./bus", 000 [pid 8222] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8230] <... mkdir resumed>) = 0 [pid 8225] <... mkdir resumed>) = 0 [pid 5008] close(3 [pid 8230] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8225] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... close resumed>) = 0 [pid 8225] <... futex resumed>) = 1 [pid 8222] <... futex resumed>) = 0 [pid 5008] rmdir("./152" [pid 8235] +++ exited with 0 +++ [pid 8225] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8222] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8219] +++ exited with 0 +++ [pid 5008] <... rmdir resumed>) = 0 [pid 8225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8222] <... futex resumed>) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8219, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5008] mkdir("./153", 0777 [pid 8225] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 292.293027][ T8234] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 292.316471][ T8225] overlayfs: upper fs needs to support d_type. [ 292.317446][ T8234] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 292.322708][ T8225] overlayfs: upper fs does not support tmpfile. [pid 8222] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 5008] <... mkdir resumed>) = 0 [pid 5011] <... restart_syscall resumed>) = 0 [pid 5011] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./153/binderfs") = 0 [ 292.338889][ T8234] REISERFS (device loop2): using ordered data mode [ 292.345612][ T8234] reiserfs: using flush barriers [ 292.347739][ T8230] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 292.353143][ T8225] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 292.372677][ T8225] overlayfs: failed to resolve './file0': -2 [ 292.376145][ T8234] 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 8225] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8225] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8222] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8225] <... futex resumed>) = 0 [pid 8222] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... openat resumed>) = 3 [pid 8225] mkdir(".", 0777 [pid 8222] <... futex resumed>) = 0 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 8225] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8222] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8225] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\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] close(3 [pid 8225] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8225] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8225] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8222] <... futex resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 8222] exit_group(0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8222] <... exit_group resumed>) = ? [pid 8225] <... futex resumed>) = ? [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8238 [pid 8225] +++ exited with 0 +++ [pid 8222] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8222, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5012] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8238 attached ) = 3 [pid 5012] fstat(3, [pid 8238] set_robust_list(0x555556dec5e0, 24 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, [pid 8238] <... set_robust_list resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8238] chdir("./153" [pid 5012] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./154/binderfs") = 0 [pid 8238] <... chdir resumed>) = 0 [pid 5012] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 292.414336][ T8225] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 292.425921][ T8234] REISERFS (device loop2): checking transaction log (loop2) [ 292.434634][ T8230] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8238] setpgid(0, 0) = 0 [pid 8238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8238] write(3, "1000", 4) = 4 [pid 8238] close(3) = 0 [pid 8238] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8238] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8238] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8238] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8239], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8239 [pid 8238] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8238] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8239 attached [pid 8239] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8239] memfd_create("syzkaller", 0) = 3 [pid 8239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 292.473631][ T8230] REISERFS (device loop1): using ordered data mode [ 292.485716][ T8230] reiserfs: using flush barriers [ 292.496639][ T8230] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 292.498751][ T8234] REISERFS (device loop2): Using r5 hash to sort names [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./153/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./153/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./153/file0") = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./153") = 0 [pid 5011] mkdir("./154", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8240 ./strace-static-x86_64: Process 8240 attached [pid 8240] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8240] chdir("./154") = 0 [pid 8240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8240] setpgid(0, 0) = 0 [ 292.562911][ T8230] REISERFS (device loop1): checking transaction log (loop1) [ 292.597972][ T8234] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... umount2 resumed>) = 0 [pid 8240] <... openat resumed>) = 3 [pid 8240] write(3, "1000", 4) = 4 [pid 8240] close(3) = 0 [pid 8240] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8240] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8240] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8240] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8234] <... mount resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8240] <... clone resumed>, parent_tid=[8241], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8241 [pid 8240] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8240] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8241 attached [pid 8241] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8241] memfd_create("syzkaller", 0) = 3 [pid 8241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8239] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8234] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5012] lstat("./154/file0", [pid 8234] <... openat resumed>) = 3 [pid 8234] chdir("./file0" [pid 8230] <... mount resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8234] <... chdir resumed>) = 0 [pid 5012] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8234] ioctl(4, LOOP_CLR_FD) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8230] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5012] openat(AT_FDCWD, "./154/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8234] close(4 [pid 8230] <... openat resumed>) = 3 [pid 5012] <... openat resumed>) = 4 [pid 8234] <... close resumed>) = 0 [pid 8234] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(4, [pid 8234] <... futex resumed>) = 1 [pid 8231] <... futex resumed>) = 0 [pid 8234] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8231] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8231] <... futex resumed>) = 0 [pid 8230] chdir("./file0" [pid 5012] getdents64(4, [pid 8234] mkdir("./file1", 000 [pid 8231] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8230] <... chdir resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8234] <... mkdir resumed>) = 0 [pid 8230] ioctl(4, LOOP_CLR_FD [pid 5012] getdents64(4, [pid 8234] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8230] <... ioctl resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8234] <... futex resumed>) = 1 [pid 8231] <... futex resumed>) = 0 [pid 8230] close(4 [ 292.616669][ T8230] REISERFS (device loop1): Using r5 hash to sort names [ 292.623840][ T8230] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 292.635654][ T8234] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 292.649565][ T8230] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5012] close(4 [pid 8234] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8231] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8230] <... close resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 8234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8231] <... futex resumed>) = 0 [pid 8230] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] rmdir("./154/file0" [pid 8234] mkdir("./bus", 000 [pid 8231] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8230] <... futex resumed>) = 1 [pid 8229] <... futex resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 8234] <... mkdir resumed>) = 0 [pid 8230] mkdir("./file1", 000 [pid 8229] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(3, [pid 8234] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8230] <... mkdir resumed>) = 0 [pid 8229] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8234] <... futex resumed>) = 1 [pid 8231] <... futex resumed>) = 0 [pid 8230] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8229] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] close(3 [pid 8234] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8231] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8230] <... futex resumed>) = 0 [pid 8229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] <... close resumed>) = 0 [pid 8234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8231] <... futex resumed>) = 0 [pid 8230] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8229] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] rmdir("./154" [pid 8234] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8231] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8229] <... futex resumed>) = 0 [pid 5012] <... rmdir resumed>) = 0 [pid 8230] mkdir("./bus", 000 [pid 8229] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] mkdir("./155", 0777 [pid 8230] <... mkdir resumed>) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 8230] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8230] <... futex resumed>) = 1 [pid 8229] <... futex resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 8230] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8229] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 8229] <... futex resumed>) = 0 [pid 8229] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8241] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8242 ./strace-static-x86_64: Process 8242 attached [pid 8242] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8242] chdir("./155") = 0 [pid 8242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8231] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 292.726973][ T8234] overlayfs: upper fs needs to support d_type. [ 292.733251][ T8234] overlayfs: upper fs does not support tmpfile. [ 292.745097][ T8230] overlayfs: upper fs needs to support d_type. [ 292.761165][ T8230] overlayfs: upper fs does not support tmpfile. [pid 8242] setpgid(0, 0) = 0 [pid 8242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8242] write(3, "1000", 4) = 4 [pid 8242] close(3) = 0 [pid 8242] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8231] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8242] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8231] <... futex resumed>) = 0 [pid 8229] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8242] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8242] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8243], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8243 [pid 8231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8229] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8242] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8242] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8243 attached [pid 8243] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8229] <... futex resumed>) = 0 [pid 8231] <... mmap resumed>) = 0x7f76a8b35000 [pid 8229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8231] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8229] <... mmap resumed>) = 0x7f76a8b35000 [pid 8243] memfd_create("syzkaller", 0 [pid 8229] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8231] <... mprotect resumed>) = 0 [pid 8243] <... memfd_create resumed>) = 3 [pid 8243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8231] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8229] <... mprotect resumed>) = 0 [pid 8229] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8231] <... clone resumed>, parent_tid=[8244], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8244 [pid 8229] <... clone resumed>, parent_tid=[8245], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8245 ./strace-static-x86_64: Process 8245 attached [pid 8239] <... write resumed>) = 4194304 [pid 8231] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8229] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8245] set_robust_list(0x7f76a8b559e0, 24 [pid 8234] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8231] <... futex resumed>) = 0 [pid 8230] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8229] <... futex resumed>) = 0 [pid 8245] <... set_robust_list resumed>) = 0 [pid 8234] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8231] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8230] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8229] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8244 attached [pid 8245] mkdir(".", 0777 [pid 8234] <... futex resumed>) = 0 [pid 8230] <... futex resumed>) = 0 [pid 8245] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8244] set_robust_list(0x7f76a8b559e0, 24 [pid 8234] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8230] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8245] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8244] <... set_robust_list resumed>) = 0 [pid 8244] mkdir(".", 0777) = -1 EEXIST (File exists) [ 292.785922][ T8234] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 292.796148][ T8230] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 292.815142][ T8234] overlayfs: failed to resolve './file0': -2 [ 292.823797][ T8230] overlayfs: failed to resolve './file0': -2 [pid 8244] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8239] munmap(0x7f76a8756000, 4194304 [pid 8241] <... write resumed>) = 4194304 [pid 8245] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8241] munmap(0x7f76a8756000, 4194304 [pid 8245] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8239] <... munmap resumed>) = 0 [pid 8245] <... futex resumed>) = 1 [pid 8229] <... futex resumed>) = 0 [pid 8241] <... munmap resumed>) = 0 [pid 8245] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8241] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8239] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8229] exit_group(0 [pid 8241] <... openat resumed>) = 4 [pid 8229] <... exit_group resumed>) = ? [pid 8230] <... futex resumed>) = ? [pid 8245] <... futex resumed>) = ? [pid 8241] ioctl(4, LOOP_SET_FD, 3 [pid 8239] <... openat resumed>) = 4 [pid 8230] +++ exited with 0 +++ [pid 8239] ioctl(4, LOOP_SET_FD, 3 [pid 8245] +++ exited with 0 +++ [pid 8229] +++ exited with 0 +++ [pid 8239] <... ioctl resumed>) = 0 [pid 8239] close(3) = 0 [pid 8239] mkdir("./file0", 0777) = 0 [ 292.866688][ T8245] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 292.875717][ T8244] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 292.904554][ T8239] loop0: detected capacity change from 0 to 8192 [pid 8239] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8229, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5009] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./152/binderfs") = 0 [pid 5009] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8243] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8241] <... ioctl resumed>) = 0 [pid 8244] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8241] close(3 [pid 8244] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8241] <... close resumed>) = 0 [pid 8244] <... futex resumed>) = 1 [pid 8241] mkdir("./file0", 0777 [pid 8231] <... futex resumed>) = 0 [pid 8244] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8241] <... mkdir resumed>) = 0 [pid 8231] exit_group(0 [pid 8244] <... futex resumed>) = ? [pid 8241] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8234] <... futex resumed>) = ? [pid 8231] <... exit_group resumed>) = ? [pid 8244] +++ exited with 0 +++ [pid 8234] +++ exited with 0 +++ [pid 8231] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8231, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [ 292.904815][ T8241] loop3: detected capacity change from 0 to 8192 [ 292.932627][ T8239] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 292.953417][ T8239] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5010] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./153/binderfs") = 0 [ 292.964889][ T8239] REISERFS (device loop0): using ordered data mode [ 292.973061][ T8239] reiserfs: using flush barriers [ 292.979408][ T8241] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5010] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8243] <... write resumed>) = 4194304 [ 293.016835][ T8239] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 293.033716][ T8241] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 293.052028][ T8241] REISERFS (device loop3): using ordered data mode [pid 8243] munmap(0x7f76a8756000, 4194304) = 0 [pid 8243] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8243] ioctl(4, LOOP_SET_FD, 3 [pid 5009] <... umount2 resumed>) = 0 [pid 5009] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./152/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8243] <... ioctl resumed>) = 0 [pid 5009] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./152/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./152/file0") = 0 [pid 5009] getdents64(3, [pid 8243] close(3 [pid 5010] <... umount2 resumed>) = 0 [ 293.075737][ T8241] reiserfs: using flush barriers [ 293.086006][ T8243] loop4: detected capacity change from 0 to 8192 [ 293.101760][ T8241] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 293.103304][ T8239] REISERFS (device loop0): checking transaction log (loop0) [pid 8243] <... close resumed>) = 0 [pid 5010] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8243] mkdir("./file0", 0777 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8243] <... mkdir resumed>) = 0 [pid 5010] lstat("./153/file0", [pid 8243] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] close(3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./153/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./153/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [ 293.128672][ T8239] REISERFS (device loop0): Using r5 hash to sort names [ 293.137115][ T8241] REISERFS (device loop3): checking transaction log (loop3) [ 293.145928][ T8243] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 293.146198][ T8239] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5010] close(3) = 0 [pid 5010] rmdir("./153" [pid 8239] <... mount resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5010] mkdir("./154", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 8239] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5010] <... close resumed>) = 0 [pid 5009] rmdir("./152" [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8249 ./strace-static-x86_64: Process 8249 attached [pid 8249] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8249] chdir("./154") = 0 [pid 8249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8249] setpgid(0, 0) = 0 [pid 8249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8239] <... openat resumed>) = 3 [ 293.172501][ T8239] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 293.172754][ T8241] REISERFS (device loop3): Using r5 hash to sort names [ 293.182327][ T8243] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 293.198398][ T8243] REISERFS (device loop4): using ordered data mode [ 293.204988][ T8243] reiserfs: using flush barriers [ 293.212183][ T8243] 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 8249] <... openat resumed>) = 3 [pid 8239] chdir("./file0" [pid 5009] <... rmdir resumed>) = 0 [pid 8249] write(3, "1000", 4) = 4 [pid 8249] close(3) = 0 [pid 8249] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8249] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8249] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8249] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8250], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8250 [pid 8249] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8239] <... chdir resumed>) = 0 [pid 5009] mkdir("./153", 0777 [pid 8249] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8250 attached [pid 8250] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8250] memfd_create("syzkaller", 0) = 3 [pid 8239] ioctl(4, LOOP_CLR_FD) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 8250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8239] close(4 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8241] <... mount resumed>) = 0 [pid 8239] <... close resumed>) = 0 [pid 8241] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8239] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... openat resumed>) = 3 [ 293.229779][ T8241] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 293.243171][ T8243] REISERFS (device loop4): checking transaction log (loop4) [ 293.252057][ T8241] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 293.262740][ T8243] REISERFS (device loop4): Using r5 hash to sort names [pid 8239] <... futex resumed>) = 1 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 8241] <... openat resumed>) = 3 [pid 8238] <... futex resumed>) = 0 [pid 8239] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8241] chdir("./file0" [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8243] <... mount resumed>) = 0 [pid 8241] <... chdir resumed>) = 0 [pid 8239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8238] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] close(3 [pid 8250] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8243] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8241] ioctl(4, LOOP_CLR_FD [pid 8239] mkdir("./file1", 000 [pid 8238] <... futex resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 8243] <... openat resumed>) = 3 [pid 8241] <... ioctl resumed>) = 0 [pid 8239] <... mkdir resumed>) = 0 [pid 8238] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8243] chdir("./file0" [pid 8241] close(4 [ 293.270551][ T8243] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 293.283992][ T8243] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8239] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8243] <... chdir resumed>) = 0 [pid 8241] <... close resumed>) = 0 [pid 8239] <... futex resumed>) = 0 [pid 8238] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8243] ioctl(4, LOOP_CLR_FD [pid 8241] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8239] mkdir("./bus", 000 [pid 8238] <... futex resumed>) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8251 [pid 8243] <... ioctl resumed>) = 0 [pid 8241] <... futex resumed>) = 1 [pid 8240] <... futex resumed>) = 0 [pid 8239] <... mkdir resumed>) = 0 [pid 8238] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8243] close(4 [pid 8241] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8240] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8239] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8243] <... close resumed>) = 0 [pid 8241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8240] <... futex resumed>) = 0 [pid 8239] <... futex resumed>) = 0 [pid 8238] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8251 attached [pid 8243] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8241] mkdir("./file1", 000 [pid 8240] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8239] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8238] <... futex resumed>) = 0 [pid 8251] set_robust_list(0x555556dec5e0, 24 [pid 8250] <... write resumed>) = 4194304 [pid 8243] <... futex resumed>) = 1 [pid 8242] <... futex resumed>) = 0 [pid 8241] <... mkdir resumed>) = 0 [pid 8251] <... set_robust_list resumed>) = 0 [pid 8242] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8238] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8251] chdir("./153" [pid 8242] <... futex resumed>) = 0 [pid 8251] <... chdir resumed>) = 0 [pid 8242] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8251] setpgid(0, 0) = 0 [pid 8250] munmap(0x7f76a8756000, 4194304 [pid 8243] mkdir("./file1", 000 [pid 8241] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8251] write(3, "1000", 4) = 4 [pid 8251] close(3) = 0 [pid 8243] <... mkdir resumed>) = 0 [pid 8241] <... futex resumed>) = 1 [pid 8240] <... futex resumed>) = 0 [pid 8251] symlink("/dev/binderfs", "./binderfs" [pid 8243] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8241] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8240] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8251] <... symlink resumed>) = 0 [pid 8250] <... munmap resumed>) = 0 [pid 8243] <... futex resumed>) = 1 [pid 8242] <... futex resumed>) = 0 [pid 8241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8240] <... futex resumed>) = 0 [pid 8251] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8250] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8243] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8242] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8240] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8251] <... futex resumed>) = 0 [pid 8242] <... futex resumed>) = 0 [pid 8251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8250] <... openat resumed>) = 4 [pid 8243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8242] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8241] mkdir("./bus", 000 [pid 8251] <... mmap resumed>) = 0x7f76b0b56000 [pid 8250] ioctl(4, LOOP_SET_FD, 3 [pid 8243] mkdir("./bus", 000 [pid 8241] <... mkdir resumed>) = 0 [pid 8251] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8251] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8252], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8252 [pid 8251] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8243] <... mkdir resumed>) = 0 [pid 8241] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8251] <... futex resumed>) = 0 [pid 8250] <... ioctl resumed>) = 0 [pid 8243] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8241] <... futex resumed>) = 1 [pid 8240] <... futex resumed>) = 0 [pid 8251] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8250] close(3 [pid 8243] <... futex resumed>) = 1 [pid 8242] <... futex resumed>) = 0 [pid 8241] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8240] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8252 attached [pid 8250] <... close resumed>) = 0 [pid 8243] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8242] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8240] <... futex resumed>) = 0 [pid 8252] set_robust_list(0x7f76b0b769e0, 24 [pid 8250] mkdir("./file0", 0777 [pid 8243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8242] <... futex resumed>) = 0 [pid 8241] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 293.368549][ T8239] overlayfs: upper fs needs to support d_type. [ 293.375051][ T8239] overlayfs: upper fs does not support tmpfile. [ 293.389761][ T8239] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 293.401081][ T8250] loop2: detected capacity change from 0 to 8192 [pid 8240] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8252] <... set_robust_list resumed>) = 0 [pid 8250] <... mkdir resumed>) = 0 [pid 8243] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8242] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8252] memfd_create("syzkaller", 0) = 3 [pid 8252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8250] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8238] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8238] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [ 293.423505][ T8241] overlayfs: upper fs needs to support d_type. [ 293.431445][ T8243] overlayfs: upper fs needs to support d_type. [ 293.441120][ T8239] overlayfs: failed to resolve './file0': -2 [ 293.448128][ T8241] overlayfs: upper fs does not support tmpfile. [ 293.454960][ T8243] overlayfs: upper fs does not support tmpfile. [pid 8238] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8240] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8240] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8238] <... mprotect resumed>) = 0 [pid 8242] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8240] <... futex resumed>) = 0 [pid 8238] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8242] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8242] <... futex resumed>) = 0 [pid 8240] <... mmap resumed>) = 0x7f76a8b35000 [pid 8240] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8240] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8255], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8255 [pid 8240] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8240] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8238] <... clone resumed>, parent_tid=[8254], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8254 [pid 8242] <... mmap resumed>) = 0x7f76a8b35000 [pid 8238] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8242] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8238] <... futex resumed>) = 0 [pid 8242] <... mprotect resumed>) = 0 [pid 8238] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8242] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8256], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8256 [pid 8242] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 293.461959][ T8250] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 293.478202][ T8241] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 293.488323][ T8243] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 293.503621][ T8250] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 8242] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8254 attached [pid 8254] set_robust_list(0x7f76a8b559e0, 24 [pid 8252] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 8255 attached [pid 8254] <... set_robust_list resumed>) = 0 [pid 8254] mkdir(".", 0777./strace-static-x86_64: Process 8256 attached ) = -1 EEXIST (File exists) [pid 8256] set_robust_list(0x7f76a8b559e0, 24 [pid 8255] set_robust_list(0x7f76a8b559e0, 24 [ 293.519253][ T8241] overlayfs: failed to resolve './file0': -2 [ 293.529088][ T8243] overlayfs: failed to resolve './file0': -2 [ 293.536180][ T8250] REISERFS (device loop2): using ordered data mode [ 293.543701][ T8250] reiserfs: using flush barriers [ 293.550451][ T8254] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8254] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8243] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8241] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8239] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8256] <... set_robust_list resumed>) = 0 [pid 8255] <... set_robust_list resumed>) = 0 [pid 8243] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8239] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8256] mkdir(".", 0777 [pid 8255] mkdir(".", 0777 [pid 8243] <... futex resumed>) = 0 [pid 8241] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8239] <... futex resumed>) = 0 [pid 8256] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8243] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8239] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8256] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8255] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8241] <... futex resumed>) = 0 [pid 8255] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8241] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8254] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8252] <... write resumed>) = 4194304 [pid 8254] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8252] munmap(0x7f76a8756000, 4194304 [pid 8254] <... futex resumed>) = 1 [pid 8252] <... munmap resumed>) = 0 [pid 8238] <... futex resumed>) = 0 [pid 8254] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [ 293.564296][ T8250] 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 [ 293.593644][ T8256] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 293.600357][ T8250] REISERFS (device loop2): checking transaction log (loop2) [pid 8252] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8252] ioctl(4, LOOP_SET_FD, 3 [pid 8238] exit_group(0 [pid 8252] <... ioctl resumed>) = 0 [pid 8252] close(3) = 0 [pid 8252] mkdir("./file0", 0777) = 0 [pid 8238] <... exit_group resumed>) = ? [pid 8239] <... futex resumed>) = ? [pid 8254] <... futex resumed>) = ? [pid 8254] +++ exited with 0 +++ [pid 8239] +++ exited with 0 +++ [pid 8252] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8238] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8238, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 8256] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8256] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8256] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8255] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8255] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8240] <... futex resumed>) = 0 [pid 8240] exit_group(0 [pid 8241] <... futex resumed>) = ? [pid 8240] <... exit_group resumed>) = ? [pid 8241] +++ exited with 0 +++ [pid 8255] <... futex resumed>) = ? [pid 8242] <... futex resumed>) = 0 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 8242] exit_group(0 [pid 8243] <... futex resumed>) = ? [pid 8242] <... exit_group resumed>) = ? [pid 5008] <... restart_syscall resumed>) = 0 [pid 8255] +++ exited with 0 +++ [pid 8240] +++ exited with 0 +++ [ 293.618529][ T8255] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 293.626480][ T8252] loop1: detected capacity change from 0 to 8192 [ 293.632612][ T8250] REISERFS (device loop2): Using r5 hash to sort names [ 293.649409][ T8250] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8256] <... futex resumed>) = ? [pid 8243] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8240, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 8250] <... mount resumed>) = 0 [pid 8250] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8250] chdir("./file0") = 0 [pid 8250] ioctl(4, LOOP_CLR_FD) = 0 [pid 8250] close(4) = 0 [pid 8250] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8249] <... futex resumed>) = 0 [pid 8249] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8249] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8250] <... futex resumed>) = 1 [pid 8250] mkdir("./file1", 000 [pid 8256] +++ exited with 0 +++ [pid 8242] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8242, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5012] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./155/binderfs" [pid 5008] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... unlink resumed>) = 0 [pid 5011] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [pid 5011] fstat(3, [pid 5008] fstat(3, [pid 8250] <... mkdir resumed>) = 0 [pid 5011] <... 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 5011] getdents64(3, [pid 5008] getdents64(3, [pid 8250] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./154/binderfs", [pid 5008] lstat("./153/binderfs", [pid 8250] <... futex resumed>) = 1 [pid 8249] <... futex resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8250] mkdir("./bus", 000 [pid 8249] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] unlink("./154/binderfs" [pid 5008] unlink("./153/binderfs" [pid 8250] <... mkdir resumed>) = 0 [pid 8249] <... futex resumed>) = 0 [ 293.663902][ T8252] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 293.667238][ T8250] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 293.678910][ T8252] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8250] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8249] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] <... unlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 8250] <... futex resumed>) = 0 [pid 8249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8250] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8249] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8249] <... futex resumed>) = 0 [pid 8250] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8249] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 293.732508][ T8252] REISERFS (device loop1): using ordered data mode [ 293.740315][ T8250] overlayfs: upper fs needs to support d_type. [ 293.747651][ T8252] reiserfs: using flush barriers [ 293.749220][ T8250] overlayfs: upper fs does not support tmpfile. [ 293.759220][ T8252] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5008] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8249] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8249] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8249] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8249] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8258], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8258 [pid 8249] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8249] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8258 attached [pid 8258] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8258] mkdir(".", 0777) = -1 EEXIST (File exists) [ 293.760234][ T8252] REISERFS (device loop1): checking transaction log (loop1) [ 293.786733][ T8250] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 293.813552][ T8252] REISERFS (device loop1): Using r5 hash to sort names [ 293.820440][ T8250] overlayfs: failed to resolve './file0': -2 [pid 8258] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 8250] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8258] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8250] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8258] <... futex resumed>) = 1 [pid 8250] <... futex resumed>) = 0 [pid 8249] <... futex resumed>) = 0 [pid 8258] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8249] exit_group(0) = ? [pid 8258] <... futex resumed>) = ? [pid 8258] +++ exited with 0 +++ [pid 8250] +++ exited with 0 +++ [pid 8249] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8249, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5010] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./154/binderfs") = 0 [pid 5010] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./155/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./155/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 293.843373][ T8258] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 293.856834][ T8252] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./155/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./155") = 0 [pid 5012] mkdir("./156", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8259 [pid 8252] <... mount resumed>) = 0 [pid 8252] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 8259 attached ) = 3 [pid 5011] <... umount2 resumed>) = 0 [pid 8252] chdir("./file0") = 0 [pid 5011] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8259] set_robust_list(0x555556dec5e0, 24 [pid 8252] ioctl(4, LOOP_CLR_FD [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8252] <... ioctl resumed>) = 0 [pid 8259] <... set_robust_list resumed>) = 0 [pid 5011] lstat("./154/file0", [pid 8252] close(4 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8252] <... close resumed>) = 0 [pid 5011] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8252] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8252] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8251] <... futex resumed>) = 0 [pid 8251] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] openat(AT_FDCWD, "./154/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8252] <... futex resumed>) = 0 [pid 8251] <... futex resumed>) = 1 [ 293.923360][ T8252] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8252] mkdir("./file1", 000 [pid 8251] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] <... openat resumed>) = 4 [pid 8259] chdir("./156" [pid 8252] <... mkdir resumed>) = 0 [pid 8252] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] fstat(4, [pid 8252] <... futex resumed>) = 1 [pid 8251] <... futex resumed>) = 0 [pid 8259] <... chdir resumed>) = 0 [pid 8252] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8251] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8251] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 8259] <... prctl resumed>) = 0 [pid 8252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8251] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] getdents64(4, [pid 8259] setpgid(0, 0 [pid 8252] mkdir("./bus", 000 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] <... umount2 resumed>) = 0 [pid 5008] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8259] <... setpgid resumed>) = 0 [pid 8252] <... mkdir resumed>) = 0 [pid 5011] getdents64(4, [pid 5010] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8252] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8259] <... openat resumed>) = 3 [pid 8252] <... futex resumed>) = 1 [pid 8251] <... futex resumed>) = 0 [pid 5011] close(4 [pid 5010] lstat("./154/file0", [pid 8259] write(3, "1000", 4 [pid 8252] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8251] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8259] <... write resumed>) = 4 [pid 8252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8251] <... futex resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8259] close(3 [pid 8252] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8251] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] rmdir("./154/file0" [pid 5010] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./153/file0", [pid 8259] <... close resumed>) = 0 [pid 8259] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8259] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8259] <... mmap resumed>) = 0x7f76b0b56000 [pid 8259] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8259] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8260], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8260 [pid 8259] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8259] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8260 attached [pid 8260] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8260] memfd_create("syzkaller", 0) = 3 [pid 8260] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5010] openat(AT_FDCWD, "./154/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] getdents64(3, [pid 5010] <... openat resumed>) = 4 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] fstat(4, [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] close(3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... close resumed>) = 0 [pid 5010] getdents64(4, [pid 5011] rmdir("./154" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... rmdir resumed>) = 0 [pid 5010] getdents64(4, [pid 5008] openat(AT_FDCWD, "./153/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] mkdir("./155", 0777 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5010] close(4 [pid 5008] <... openat resumed>) = 4 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./154/file0" [pid 5011] <... openat resumed>) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5010] <... rmdir resumed>) = 0 [pid 5008] fstat(4, [pid 5010] getdents64(3, [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... close resumed>) = 0 [pid 5010] close(3 [pid 5008] getdents64(4, [pid 5010] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] rmdir("./154"./strace-static-x86_64: Process 8261 attached ) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8261 [pid 5010] mkdir("./155", 0777 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5008] close(4 [pid 8261] set_robust_list(0x555556dec5e0, 24 [pid 5008] <... close resumed>) = 0 [pid 8261] <... set_robust_list resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] rmdir("./153/file0" [pid 8261] chdir("./155" [pid 5008] <... rmdir resumed>) = 0 [pid 8261] <... chdir resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5008] getdents64(3, [pid 8261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8261] <... prctl resumed>) = 0 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 8261] setpgid(0, 0 [pid 5010] close(3 [pid 8261] <... setpgid resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 8261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8261] <... openat resumed>) = 3 [pid 5008] rmdir("./153" [pid 8251] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8261] write(3, "1000", 4 [pid 8251] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8262 [pid 5008] <... rmdir resumed>) = 0 [pid 8261] <... write resumed>) = 4 [pid 8251] <... futex resumed>) = 0 [pid 5008] mkdir("./154", 0777 [pid 8261] close(3 [pid 8251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 5008] <... mkdir resumed>) = 0 [pid 8261] <... close resumed>) = 0 [pid 8251] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8261] symlink("/dev/binderfs", "./binderfs" [pid 8251] <... mprotect resumed>) = 0 [pid 8261] <... symlink resumed>) = 0 [pid 8260] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8251] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... openat resumed>) = 3 ./strace-static-x86_64: Process 8262 attached [pid 8261] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8251] <... clone resumed>, parent_tid=[8263], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8263 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 8262] set_robust_list(0x555556dec5e0, 24 [pid 8261] <... futex resumed>) = 0 [pid 8251] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8262] <... set_robust_list resumed>) = 0 [pid 8261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8251] <... futex resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8262] chdir("./155" [pid 8261] <... mmap resumed>) = 0x7f76b0b56000 [ 294.022238][ T8252] overlayfs: upper fs needs to support d_type. [ 294.049234][ T8252] overlayfs: upper fs does not support tmpfile. [pid 8251] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8263 attached [pid 8262] <... chdir resumed>) = 0 [pid 8261] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5008] close(3 [pid 8263] set_robust_list(0x7f76a8b559e0, 24 [pid 8262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8261] <... mprotect resumed>) = 0 [pid 8263] <... set_robust_list resumed>) = 0 [pid 8262] <... prctl resumed>) = 0 [pid 8261] clone(child_stack=0x7f76b0b763f0, 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 8263] mkdir(".", 0777 [pid 8262] setpgid(0, 0 [pid 8263] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8262] <... setpgid resumed>) = 0 [pid 8261] <... clone resumed>, parent_tid=[8264], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8264 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8263] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8261] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8262] <... openat resumed>) = 3 [pid 8261] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8264 attached [pid 8262] write(3, "1000", 4 [pid 8261] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8265 ./strace-static-x86_64: Process 8265 attached [pid 8264] set_robust_list(0x7f76b0b769e0, 24 [pid 8262] <... write resumed>) = 4 [pid 8265] set_robust_list(0x555556dec5e0, 24 [pid 8264] <... set_robust_list resumed>) = 0 [pid 8262] close(3 [pid 8265] <... set_robust_list resumed>) = 0 [pid 8262] <... close resumed>) = 0 [pid 8265] chdir("./154" [pid 8264] memfd_create("syzkaller", 0 [pid 8262] symlink("/dev/binderfs", "./binderfs" [pid 8265] <... chdir resumed>) = 0 [pid 8264] <... memfd_create resumed>) = 3 [pid 8262] <... symlink resumed>) = 0 [pid 8265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8262] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8265] <... prctl resumed>) = 0 [pid 8264] <... mmap resumed>) = 0x7f76a8756000 [pid 8262] <... futex resumed>) = 0 [pid 8262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8265] setpgid(0, 0 [pid 8262] <... mmap resumed>) = 0x7f76b0b56000 [pid 8262] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8262] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8266], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8266 [pid 8262] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 294.091643][ T8252] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 294.114596][ T8263] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8262] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8265] <... setpgid resumed>) = 0 [pid 8265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8265] write(3, "1000", 4) = 4 [pid 8265] close(3) = 0 [pid 8265] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8263] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8265] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8265] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8263] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8265] <... mprotect resumed>) = 0 [pid 8265] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8267], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8267 [pid 8265] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8266 attached [pid 8265] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8266] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8263] <... futex resumed>) = 1 [pid 8251] <... futex resumed>) = 0 [pid 8266] memfd_create("syzkaller", 0 [pid 8263] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8266] <... memfd_create resumed>) = 3 [pid 8266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 ./strace-static-x86_64: Process 8267 attached [pid 8267] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8267] memfd_create("syzkaller", 0) = 3 [pid 8267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8252] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8252] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 294.153904][ T8252] overlayfs: failed to resolve './file0': -2 [pid 8251] exit_group(0 [pid 8264] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8263] <... futex resumed>) = ? [pid 8251] <... exit_group resumed>) = ? [pid 8263] +++ exited with 0 +++ [pid 8252] +++ exited with 0 +++ [pid 8251] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8251, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5009] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5009] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./153/binderfs") = 0 [pid 5009] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8266] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8260] <... write resumed>) = 4194304 [pid 8260] munmap(0x7f76a8756000, 4194304) = 0 [pid 8267] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8260] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8260] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8264] <... write resumed>) = 4194304 [pid 8264] munmap(0x7f76a8756000, 4194304 [pid 8260] close(3) = 0 [pid 8260] mkdir("./file0", 0777) = 0 [pid 8260] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8264] <... munmap resumed>) = 0 [pid 8264] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 294.315006][ T8260] loop4: detected capacity change from 0 to 8192 [pid 8264] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 8264] close(3 [pid 5009] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8264] <... close resumed>) = 0 [pid 8264] mkdir("./file0", 0777 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8267] <... write resumed>) = 4194304 [pid 8266] <... write resumed>) = 4194304 [pid 8264] <... mkdir resumed>) = 0 [pid 5009] lstat("./153/file0", [pid 8264] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./153/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, [pid 8267] munmap(0x7f76a8756000, 4194304 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8267] <... munmap resumed>) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8267] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8266] munmap(0x7f76a8756000, 4194304) = 0 [pid 8266] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 294.366584][ T8264] loop3: detected capacity change from 0 to 8192 [ 294.376149][ T8260] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 294.392216][ T8260] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 294.402486][ T8260] REISERFS (device loop4): using ordered data mode [pid 8266] ioctl(4, LOOP_SET_FD, 3 [pid 8267] <... openat resumed>) = 4 [pid 5009] close(4 [pid 8267] ioctl(4, LOOP_SET_FD, 3 [pid 5009] <... close resumed>) = 0 [pid 8266] <... ioctl resumed>) = 0 [pid 5009] rmdir("./153/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [ 294.410237][ T8264] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 294.416366][ T8266] loop2: detected capacity change from 0 to 8192 [ 294.424476][ T8264] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 294.430461][ T8260] reiserfs: using flush barriers [ 294.439425][ T8264] REISERFS (device loop3): using ordered data mode [ 294.450497][ T8264] reiserfs: using flush barriers [ 294.452765][ T8267] loop0: detected capacity change from 0 to 8192 [pid 5009] rmdir("./153") = 0 [pid 5009] mkdir("./154", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3 [pid 8266] close(3 [pid 5009] <... close resumed>) = 0 [pid 8266] <... close resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8266] mkdir("./file0", 0777) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8270 [pid 8267] <... ioctl resumed>) = 0 [pid 8266] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8267] close(3) = 0 [pid 8267] mkdir("./file0", 0777./strace-static-x86_64: Process 8270 attached ) = 0 [pid 8270] set_robust_list(0x555556dec5e0, 24 [pid 8267] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8270] <... set_robust_list resumed>) = 0 [ 294.462223][ T8260] 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 [ 294.478530][ T8264] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 294.497275][ T8264] REISERFS (device loop3): checking transaction log (loop3) [ 294.506211][ T8260] REISERFS (device loop4): checking transaction log (loop4) [ 294.506260][ T8267] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 294.523635][ T8260] REISERFS (device loop4): Using r5 hash to sort names [ 294.527769][ T8266] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 294.533786][ T8260] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 294.548794][ T8264] REISERFS (device loop3): Using r5 hash to sort names [pid 8270] chdir("./154") = 0 [pid 8270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8260] <... mount resumed>) = 0 [pid 8270] <... prctl resumed>) = 0 [pid 8270] setpgid(0, 0) = 0 [pid 8270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8270] write(3, "1000", 4) = 4 [pid 8270] close(3) = 0 [pid 8270] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8260] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8270] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8270] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8270] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8260] <... openat resumed>) = 3 [pid 8270] <... clone resumed>, parent_tid=[8273], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8273 [pid 8270] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8270] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8273 attached [pid 8260] chdir("./file0" [pid 8273] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8260] <... chdir resumed>) = 0 [ 294.559800][ T8260] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 294.575831][ T8267] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 294.586248][ T8267] REISERFS (device loop0): using ordered data mode [ 294.593738][ T8267] reiserfs: using flush barriers [ 294.601892][ T8266] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 8260] ioctl(4, LOOP_CLR_FD [pid 8273] memfd_create("syzkaller", 0 [pid 8260] <... ioctl resumed>) = 0 [pid 8273] <... memfd_create resumed>) = 3 [pid 8260] close(4 [pid 8273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8260] <... close resumed>) = 0 [pid 8260] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8273] <... mmap resumed>) = 0x7f76a8756000 [pid 8260] <... futex resumed>) = 1 [pid 8259] <... futex resumed>) = 0 [pid 8259] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8259] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8264] <... mount resumed>) = 0 [ 294.602075][ T8267] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 294.611731][ T8266] REISERFS (device loop2): using ordered data mode [ 294.630609][ T8264] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 294.634349][ T8266] reiserfs: using flush barriers [ 294.649370][ T8264] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8264] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8260] mkdir("./file1", 000) = 0 [pid 8260] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8259] <... futex resumed>) = 0 [pid 8260] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8259] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8259] <... futex resumed>) = 0 [pid 8260] mkdir("./bus", 000 [pid 8259] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8260] <... mkdir resumed>) = 0 [pid 8260] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8259] <... futex resumed>) = 0 [pid 8260] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8259] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8264] <... openat resumed>) = 3 [pid 8264] chdir("./file0") = 0 [pid 8264] ioctl(4, LOOP_CLR_FD) = 0 [pid 8264] close(4) = 0 [pid 8264] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8264] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8261] <... futex resumed>) = 0 [pid 8260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8259] <... futex resumed>) = 0 [pid 8261] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8260] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8259] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8264] <... futex resumed>) = 0 [pid 8261] <... futex resumed>) = 1 [pid 8264] mkdir("./file1", 000) = 0 [pid 8261] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8264] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 294.662142][ T8267] REISERFS (device loop0): checking transaction log (loop0) [ 294.677268][ T8266] 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 [ 294.705178][ T8260] overlayfs: upper fs needs to support d_type. [ 294.711656][ T8260] overlayfs: upper fs does not support tmpfile. [pid 8264] <... futex resumed>) = 0 [pid 8264] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8261] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8264] <... futex resumed>) = 0 [pid 8261] <... futex resumed>) = 1 [pid 8264] mkdir("./bus", 000 [pid 8261] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8264] <... mkdir resumed>) = 0 [pid 8264] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8261] <... futex resumed>) = 0 [pid 8264] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8261] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8261] <... futex resumed>) = 0 [pid 8264] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8261] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8259] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 294.728240][ T8267] REISERFS (device loop0): Using r5 hash to sort names [ 294.744168][ T8260] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 294.747706][ T8264] overlayfs: upper fs needs to support d_type. [ 294.754227][ T8267] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8259] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8259] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8261] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8259] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8261] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8259] <... clone resumed>, parent_tid=[8274], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8274 [pid 8273] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8261] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 8274 attached [pid 8261] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8274] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8261] <... clone resumed>, parent_tid=[8275], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8275 [pid 8259] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8274] mkdir(".", 0777 [ 294.779683][ T8264] overlayfs: upper fs does not support tmpfile. [ 294.786852][ T8260] overlayfs: failed to resolve './file0': -2 [ 294.794024][ T8266] REISERFS (device loop2): checking transaction log (loop2) [ 294.806936][ T8264] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 294.820492][ T8267] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8261] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8259] <... futex resumed>) = 0 [pid 8274] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8261] <... futex resumed>) = 0 [pid 8260] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8274] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8261] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8275 attached [pid 8275] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8275] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8260] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8259] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 294.837731][ T8266] REISERFS (device loop2): Using r5 hash to sort names [ 294.852494][ T8266] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 294.853009][ T8274] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8275] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8267] <... mount resumed>) = 0 [pid 8260] <... futex resumed>) = 0 [pid 8267] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8266] <... mount resumed>) = 0 [pid 8260] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8267] <... openat resumed>) = 3 [pid 8266] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8267] chdir("./file0" [pid 8266] <... openat resumed>) = 3 [pid 8274] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8273] <... write resumed>) = 4194304 [pid 8267] <... chdir resumed>) = 0 [pid 8266] chdir("./file0" [pid 8274] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8273] munmap(0x7f76a8756000, 4194304 [pid 8267] ioctl(4, LOOP_CLR_FD [pid 8266] <... chdir resumed>) = 0 [pid 8274] <... futex resumed>) = 1 [pid 8273] <... munmap resumed>) = 0 [pid 8267] <... ioctl resumed>) = 0 [pid 8266] ioctl(4, LOOP_CLR_FD [pid 8259] <... futex resumed>) = 0 [pid 8274] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8273] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8267] close(4 [pid 8266] <... ioctl resumed>) = 0 [pid 8259] exit_group(0 [pid 8274] <... futex resumed>) = ? [pid 8273] <... openat resumed>) = 4 [pid 8267] <... close resumed>) = 0 [pid 8266] close(4 [pid 8260] <... futex resumed>) = ? [pid 8259] <... exit_group resumed>) = ? [pid 8274] +++ exited with 0 +++ [pid 8273] ioctl(4, LOOP_SET_FD, 3 [pid 8267] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8266] <... close resumed>) = 0 [pid 8260] +++ exited with 0 +++ [pid 8259] +++ exited with 0 +++ [pid 8267] <... futex resumed>) = 1 [pid 8266] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8265] <... futex resumed>) = 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8259, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 8267] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8266] <... futex resumed>) = 1 [pid 8265] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8262] <... futex resumed>) = 0 [pid 8267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8266] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8265] <... futex resumed>) = 0 [pid 8267] mkdir("./file1", 000 [pid 8265] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8267] <... mkdir resumed>) = 0 [pid 8262] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8267] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8266] <... futex resumed>) = 0 [pid 8262] <... futex resumed>) = 1 [pid 8267] <... futex resumed>) = 1 [pid 8266] mkdir("./file1", 000 [pid 8265] <... futex resumed>) = 0 [pid 8262] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8267] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8266] <... mkdir resumed>) = 0 [pid 8265] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8264] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8273] <... ioctl resumed>) = 0 [pid 8267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8266] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8265] <... futex resumed>) = 0 [pid 8264] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8273] close(3 [pid 8267] mkdir("./bus", 000 [pid 8266] <... futex resumed>) = 1 [pid 8265] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8264] <... futex resumed>) = 0 [pid 8262] <... futex resumed>) = 0 [pid 5012] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8273] <... close resumed>) = 0 [pid 8267] <... mkdir resumed>) = 0 [pid 8266] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8264] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8262] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8273] mkdir("./file0", 0777 [pid 8267] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8262] <... futex resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8275] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8273] <... mkdir resumed>) = 0 [pid 8267] <... futex resumed>) = 1 [pid 8266] mkdir("./bus", 000 [pid 8265] <... futex resumed>) = 0 [pid 8262] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... openat resumed>) = 3 [pid 8275] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8273] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8267] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8266] <... mkdir resumed>) = 0 [pid 8265] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(3, [pid 8275] <... futex resumed>) = 1 [pid 8267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8266] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8265] <... futex resumed>) = 0 [pid 8261] <... futex resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8275] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8267] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8266] <... futex resumed>) = 1 [ 294.885494][ T8266] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 294.890935][ T8264] overlayfs: failed to resolve './file0': -2 [ 294.906896][ T8275] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 294.918479][ T8273] loop1: detected capacity change from 0 to 8192 [pid 8265] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8262] <... futex resumed>) = 0 [pid 8261] exit_group(0 [pid 5012] getdents64(3, [pid 8275] <... futex resumed>) = ? [pid 8262] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8261] <... exit_group resumed>) = ? [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8275] +++ exited with 0 +++ [pid 8262] <... futex resumed>) = 0 [pid 5012] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8266] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8262] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./156/binderfs" [pid 8264] <... futex resumed>) = ? [pid 5012] <... unlink resumed>) = 0 [ 294.957976][ T8267] overlayfs: upper fs needs to support d_type. [ 294.975937][ T8266] overlayfs: upper fs needs to support d_type. [ 294.982219][ T8266] overlayfs: upper fs does not support tmpfile. [ 294.989726][ T8273] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5012] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8264] +++ exited with 0 +++ [pid 8261] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8261, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5011] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8262] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] getdents64(3, [pid 8262] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 5011] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8262] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8262] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8265] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] lstat("./155/binderfs", [pid 8265] <... futex resumed>) = 0 [pid 8262] <... clone resumed>, parent_tid=[8277], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8277 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8262] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] unlink("./155/binderfs" [pid 8265] <... mmap resumed>) = 0x7f76a8b35000 [pid 5011] <... unlink resumed>) = 0 [pid 8265] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5011] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8265] <... mprotect resumed>) = 0 [pid 8262] <... futex resumed>) = 0 [pid 8265] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8262] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8265] <... clone resumed>, parent_tid=[8278], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8278 [pid 8265] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 294.991535][ T8267] overlayfs: upper fs does not support tmpfile. [pid 8265] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8278 attached ./strace-static-x86_64: Process 8277 attached [pid 8278] set_robust_list(0x7f76a8b559e0, 24 [pid 8277] set_robust_list(0x7f76a8b559e0, 24 [pid 8278] <... set_robust_list resumed>) = 0 [pid 8277] <... set_robust_list resumed>) = 0 [pid 8278] mkdir(".", 0777 [pid 8277] mkdir(".", 0777 [pid 8278] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8277] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8278] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 295.063904][ T8266] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 295.072368][ T8266] overlayfs: failed to resolve './file0': -2 [ 295.079351][ T8273] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 295.088747][ T8273] REISERFS (device loop1): using ordered data mode [ 295.094966][ T8278] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 295.095359][ T8273] reiserfs: using flush barriers [pid 8277] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8266] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8266] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8266] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./156/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./156/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8278] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 295.114933][ T8273] 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 [ 295.115698][ T8277] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 295.132254][ T8273] REISERFS (device loop1): checking transaction log (loop1) [pid 5012] getdents64(4, [pid 8278] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8278] <... futex resumed>) = 1 [pid 8265] <... futex resumed>) = 0 [pid 5012] getdents64(4, [pid 8278] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./156/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./156") = 0 [pid 5012] mkdir("./157", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5011] <... umount2 resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8279 ./strace-static-x86_64: Process 8279 attached [pid 8279] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8279] chdir("./157") = 0 [pid 8279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 295.188877][ T8267] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 295.206581][ T8267] overlayfs: failed to resolve './file0': -2 [pid 8279] setpgid(0, 0) = 0 [pid 8279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8279] write(3, "1000", 4) = 4 [pid 8279] close(3) = 0 [pid 8279] symlink("/dev/binderfs", "./binderfs" [pid 5011] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8279] <... symlink resumed>) = 0 [pid 8279] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8277] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8279] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8277] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8279] <... mprotect resumed>) = 0 [pid 8277] <... futex resumed>) = 1 [pid 8279] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8277] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8262] <... futex resumed>) = 0 [pid 8267] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8279] <... clone resumed>, parent_tid=[8280], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8280 [pid 8279] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8279] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8280 attached [pid 5011] lstat("./155/file0", [pid 8280] set_robust_list(0x7f76b0b769e0, 24 [pid 8273] <... mount resumed>) = 0 [pid 8267] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8262] exit_group(0 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8267] <... futex resumed>) = 0 [pid 8266] <... futex resumed>) = ? [pid 8262] <... exit_group resumed>) = ? [pid 5011] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8267] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8266] +++ exited with 0 +++ [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./155/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8280] <... set_robust_list resumed>) = 0 [pid 8277] <... futex resumed>) = ? [pid 8273] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8265] exit_group(0 [pid 5011] <... openat resumed>) = 4 [pid 8280] memfd_create("syzkaller", 0 [pid 8273] <... openat resumed>) = 3 [pid 5011] fstat(4, [pid 8280] <... memfd_create resumed>) = 3 [pid 8273] chdir("./file0" [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8277] +++ exited with 0 +++ [pid 8278] <... futex resumed>) = ? [pid 8273] <... chdir resumed>) = 0 [pid 8267] <... futex resumed>) = ? [pid 8265] <... exit_group resumed>) = ? [pid 8262] +++ exited with 0 +++ [pid 5011] getdents64(4, [pid 8280] <... mmap resumed>) = 0x7f76a8756000 [pid 8278] +++ exited with 0 +++ [pid 8273] ioctl(4, LOOP_CLR_FD [pid 8267] +++ exited with 0 +++ [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8262, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 8273] <... ioctl resumed>) = 0 [pid 8265] +++ exited with 0 +++ [pid 5011] getdents64(4, [pid 8273] close(4 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8265, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 8273] <... close resumed>) = 0 [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, [pid 8273] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] close(4 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8273] <... futex resumed>) = 1 [pid 8270] <... futex resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5008] getdents64(3, [pid 8273] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8270] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] rmdir("./155/file0" [pid 5010] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8270] <... futex resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8273] mkdir("./file1", 000 [pid 8270] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] getdents64(3, [pid 5010] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8273] <... mkdir resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5008] lstat("./154/binderfs", [pid 8273] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] close(3 [pid 5010] fstat(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8273] <... futex resumed>) = 1 [pid 8270] <... futex resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] unlink("./154/binderfs" [pid 8273] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8270] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] rmdir("./155" [pid 5010] getdents64(3, [pid 5008] <... unlink resumed>) = 0 [pid 8273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8270] <... futex resumed>) = 0 [ 295.244897][ T8273] REISERFS (device loop1): Using r5 hash to sort names [ 295.252987][ T8273] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 295.266805][ T8273] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5011] <... rmdir resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8273] mkdir("./bus", 000 [pid 8270] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] mkdir("./156", 0777 [pid 5010] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8273] <... mkdir resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8273] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... mkdir resumed>) = 0 [pid 5010] lstat("./155/binderfs", [pid 8280] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8273] <... futex resumed>) = 1 [pid 8270] <... futex resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./155/binderfs") = 0 [pid 5010] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8273] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8270] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... openat resumed>) = 3 [pid 8270] <... futex resumed>) = 0 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 8270] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8281 ./strace-static-x86_64: Process 8281 attached [pid 8281] set_robust_list(0x555556dec5e0, 24) = 0 [ 295.365854][ T8273] overlayfs: upper fs needs to support d_type. [ 295.372136][ T8273] overlayfs: upper fs does not support tmpfile. [pid 8281] chdir("./156") = 0 [pid 8281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8281] setpgid(0, 0) = 0 [pid 8281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8281] write(3, "1000", 4 [pid 8270] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8281] <... write resumed>) = 4 [pid 8270] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8281] close(3 [pid 8270] <... futex resumed>) = 0 [pid 8281] <... close resumed>) = 0 [pid 8270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... umount2 resumed>) = 0 [pid 8281] symlink("/dev/binderfs", "./binderfs" [pid 8270] <... mmap resumed>) = 0x7f76a8b35000 [pid 8270] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5008] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8281] <... symlink resumed>) = 0 [pid 8270] <... mprotect resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8281] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8280] <... write resumed>) = 4194304 [pid 8270] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8281] <... futex resumed>) = 0 [pid 5008] lstat("./154/file0", [pid 8281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8270] <... clone resumed>, parent_tid=[8282], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8282 [pid 8281] <... mmap resumed>) = 0x7f76b0b56000 [pid 8280] munmap(0x7f76a8756000, 4194304 [pid 8270] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 8282 attached [pid 8281] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8270] <... futex resumed>) = 0 [pid 8270] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8280] <... munmap resumed>) = 0 [pid 8282] set_robust_list(0x7f76a8b559e0, 24 [pid 8281] <... mprotect resumed>) = 0 [pid 8273] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8280] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5008] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8282] <... set_robust_list resumed>) = 0 [pid 8281] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8273] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8282] mkdir(".", 0777 [pid 8280] <... openat resumed>) = 4 [pid 8273] <... futex resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8282] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8281] <... clone resumed>, parent_tid=[8283], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8283 [pid 8280] ioctl(4, LOOP_SET_FD, 3 [ 295.430121][ T8273] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 295.452832][ T8273] overlayfs: failed to resolve './file0': -2 [pid 8273] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] openat(AT_FDCWD, "./154/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8282] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8281] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8283 attached [pid 8283] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8283] memfd_create("syzkaller", 0) = 3 [pid 5008] <... openat resumed>) = 4 [pid 8281] <... futex resumed>) = 0 [pid 5008] fstat(4, [pid 8283] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8281] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8283] <... mmap resumed>) = 0x7f76a8756000 [pid 8280] <... ioctl resumed>) = 0 [pid 8282] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8280] close(3 [pid 5008] getdents64(4, [pid 8282] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8280] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8282] <... futex resumed>) = 1 [pid 8280] mkdir("./file0", 0777 [pid 8270] <... futex resumed>) = 0 [pid 5008] getdents64(4, [pid 8282] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8280] <... mkdir resumed>) = 0 [pid 8270] exit_group(0 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8282] <... futex resumed>) = ? [pid 8280] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8273] <... futex resumed>) = ? [pid 8270] <... exit_group resumed>) = ? [pid 5008] close(4 [pid 8282] +++ exited with 0 +++ [pid 8273] +++ exited with 0 +++ [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./154/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 8270] +++ exited with 0 +++ [pid 5008] <... close resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8270, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5008] rmdir("./154") = 0 [ 295.484609][ T8280] loop4: detected capacity change from 0 to 8192 [ 295.497333][ T8282] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5008] mkdir("./155", 0777) = 0 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./155/file0", [pid 5009] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... openat resumed>) = 3 [pid 5010] openat(AT_FDCWD, "./155/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] fstat(3, [pid 5010] <... openat resumed>) = 4 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5010] fstat(4, [pid 5009] getdents64(3, [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] getdents64(4, [pid 5009] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] getdents64(4, [pid 5009] lstat("./154/binderfs", [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] close(4 [pid 5009] unlink("./154/binderfs" [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5010] <... close resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5010] rmdir("./155/file0" [pid 5009] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] <... rmdir resumed>) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./155") = 0 [pid 5010] mkdir("./156", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [ 295.525141][ T8280] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 295.538840][ T8280] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 295.548643][ T8280] REISERFS (device loop4): using ordered data mode [ 295.555984][ T8280] reiserfs: using flush barriers [ 295.563814][ T8280] 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 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3 [pid 8283] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] <... close resumed>) = 0 [pid 5008] close(3 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8286 ./strace-static-x86_64: Process 8286 attached ./strace-static-x86_64: Process 8285 attached [pid 8286] set_robust_list(0x555556dec5e0, 24 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8285 [pid 8285] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8285] chdir("./156") = 0 [pid 8286] <... set_robust_list resumed>) = 0 [pid 8286] chdir("./155") = 0 [pid 8286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8286] <... prctl resumed>) = 0 [pid 8285] <... prctl resumed>) = 0 [pid 8286] setpgid(0, 0 [pid 8285] setpgid(0, 0 [pid 8286] <... setpgid resumed>) = 0 [pid 8285] <... setpgid resumed>) = 0 [pid 8286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8286] <... openat resumed>) = 3 [pid 8285] <... openat resumed>) = 3 [pid 8286] write(3, "1000", 4 [pid 8285] write(3, "1000", 4 [pid 8286] <... write resumed>) = 4 [pid 8285] <... write resumed>) = 4 [pid 8286] close(3 [pid 8285] close(3 [pid 8286] <... close resumed>) = 0 [ 295.587022][ T8280] REISERFS (device loop4): checking transaction log (loop4) [ 295.611931][ T8280] REISERFS (device loop4): Using r5 hash to sort names [pid 8286] symlink("/dev/binderfs", "./binderfs" [pid 8285] <... close resumed>) = 0 [pid 8286] <... symlink resumed>) = 0 [pid 8285] symlink("/dev/binderfs", "./binderfs" [pid 8286] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8285] <... symlink resumed>) = 0 [pid 8286] <... futex resumed>) = 0 [pid 8285] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8285] <... futex resumed>) = 0 [pid 8286] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8286] <... mprotect resumed>) = 0 [pid 8286] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8285] <... mmap resumed>) = 0x7f76b0b56000 [pid 8285] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8286] <... clone resumed>, parent_tid=[8287], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8287 [pid 8285] <... mprotect resumed>) = 0 [pid 8286] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8285] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8286] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8285] <... clone resumed>, parent_tid=[8288], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8288 ./strace-static-x86_64: Process 8287 attached [pid 8285] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8287] set_robust_list(0x7f76b0b769e0, 24 [pid 8285] <... futex resumed>) = 0 [pid 8285] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8287] <... set_robust_list resumed>) = 0 [pid 8287] memfd_create("syzkaller", 0) = 3 [pid 8287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 ./strace-static-x86_64: Process 8288 attached [pid 8288] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8288] memfd_create("syzkaller", 0) = 3 [pid 8288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5009] <... umount2 resumed>) = 0 [pid 5009] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 295.648633][ T8280] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5009] lstat("./154/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./154/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./154/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./154") = 0 [pid 5009] mkdir("./155", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 8280] <... mount resumed>) = 0 [pid 8280] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8280] chdir("./file0") = 0 [pid 8280] ioctl(4, LOOP_CLR_FD [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8280] <... ioctl resumed>) = 0 [pid 8280] close(4) = 0 [pid 8280] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8279] <... futex resumed>) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8289 [pid 8280] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8279] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8279] <... futex resumed>) = 0 [pid 8283] <... write resumed>) = 4194304 [pid 8280] mkdir("./file1", 000 [pid 8279] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8289 attached [pid 8283] munmap(0x7f76a8756000, 4194304 [pid 8280] <... mkdir resumed>) = 0 [ 295.698917][ T8280] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8289] set_robust_list(0x555556dec5e0, 24 [pid 8283] <... munmap resumed>) = 0 [pid 8280] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8289] <... set_robust_list resumed>) = 0 [pid 8280] <... futex resumed>) = 1 [pid 8279] <... futex resumed>) = 0 [pid 8289] chdir("./155" [pid 8280] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8289] <... chdir resumed>) = 0 [pid 8289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8289] setpgid(0, 0) = 0 [pid 8283] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8283] <... openat resumed>) = 4 [pid 8279] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8289] <... openat resumed>) = 3 [pid 8283] ioctl(4, LOOP_SET_FD, 3 [pid 8280] <... futex resumed>) = 0 [pid 8279] <... futex resumed>) = 1 [pid 8289] write(3, "1000", 4 [pid 8280] mkdir("./bus", 000 [pid 8279] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8289] <... write resumed>) = 4 [pid 8280] <... mkdir resumed>) = 0 [pid 8289] close(3 [pid 8280] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8289] <... close resumed>) = 0 [pid 8280] <... futex resumed>) = 1 [pid 8279] <... futex resumed>) = 0 [pid 8289] symlink("/dev/binderfs", "./binderfs" [pid 8280] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8279] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8289] <... symlink resumed>) = 0 [pid 8280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8279] <... futex resumed>) = 0 [pid 8289] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8287] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8280] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8279] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8289] <... futex resumed>) = 0 [pid 8288] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8289] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8289] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8290], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8290 [pid 8289] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8289] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8283] <... ioctl resumed>) = 0 [pid 8283] close(3) = 0 [pid 8283] mkdir("./file0", 0777./strace-static-x86_64: Process 8290 attached ) = 0 [pid 8290] set_robust_list(0x7f76b0b769e0, 24 [pid 8283] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8290] <... set_robust_list resumed>) = 0 [pid 8290] memfd_create("syzkaller", 0) = 3 [pid 8290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 295.768671][ T8283] loop3: detected capacity change from 0 to 8192 [ 295.787408][ T8280] overlayfs: upper fs needs to support d_type. [ 295.793675][ T8280] overlayfs: upper fs does not support tmpfile. [pid 8279] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8279] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8279] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8279] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8292], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8292 ./strace-static-x86_64: Process 8292 attached [pid 8288] <... write resumed>) = 4194304 [ 295.827446][ T8283] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 295.843052][ T8280] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8279] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8279] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8292] set_robust_list(0x7f76a8b559e0, 24 [pid 8288] munmap(0x7f76a8756000, 4194304 [pid 8292] <... set_robust_list resumed>) = 0 [pid 8288] <... munmap resumed>) = 0 [pid 8292] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8288] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8292] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8288] <... openat resumed>) = 4 [ 295.876709][ T8283] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 295.882580][ T8280] overlayfs: failed to resolve './file0': -2 [ 295.887233][ T8283] REISERFS (device loop3): using ordered data mode [ 295.901884][ T8283] reiserfs: using flush barriers [ 295.912452][ T8288] loop2: detected capacity change from 0 to 8192 [pid 8288] ioctl(4, LOOP_SET_FD, 3 [pid 8280] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8280] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8290] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8280] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8288] <... ioctl resumed>) = 0 [pid 8288] close(3) = 0 [pid 8288] mkdir("./file0", 0777) = 0 [pid 8287] <... write resumed>) = 4194304 [ 295.922071][ T8292] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 295.936242][ T8283] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 295.953568][ T8283] REISERFS (device loop3): checking transaction log (loop3) [ 295.961851][ T8288] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8288] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8287] munmap(0x7f76a8756000, 4194304) = 0 [pid 8287] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8287] ioctl(4, LOOP_SET_FD, 3 [pid 8292] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8283] <... mount resumed>) = 0 [pid 8292] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8283] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8292] <... futex resumed>) = 1 [pid 8283] <... openat resumed>) = 3 [pid 8279] <... futex resumed>) = 0 [pid 8292] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8283] chdir("./file0" [pid 8279] exit_group(0 [pid 8292] <... futex resumed>) = ? [pid 8283] <... chdir resumed>) = 0 [pid 8280] <... futex resumed>) = ? [pid 8279] <... exit_group resumed>) = ? [pid 8292] +++ exited with 0 +++ [pid 8283] ioctl(4, LOOP_CLR_FD [pid 8280] +++ exited with 0 +++ [pid 8279] +++ exited with 0 +++ [pid 8283] <... ioctl resumed>) = 0 [pid 8283] close(4) = 0 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8279, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 8283] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8281] <... futex resumed>) = 0 [pid 8283] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8281] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8281] <... futex resumed>) = 0 [pid 8283] mkdir("./file1", 000 [pid 8281] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8283] <... mkdir resumed>) = 0 [ 295.962536][ T8283] REISERFS (device loop3): Using r5 hash to sort names [ 295.982341][ T8283] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 295.995477][ T8283] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 295.998034][ T8287] loop0: detected capacity change from 0 to 8192 [ 296.005447][ T8288] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 8290] <... write resumed>) = 4194304 [pid 8287] <... ioctl resumed>) = 0 [pid 8283] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8290] munmap(0x7f76a8756000, 4194304 [pid 8287] close(3 [pid 5012] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8290] <... munmap resumed>) = 0 [pid 8287] <... close resumed>) = 0 [pid 8283] <... futex resumed>) = 1 [pid 8281] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8290] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8287] mkdir("./file0", 0777 [pid 8283] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8281] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8290] <... openat resumed>) = 4 [pid 8287] <... mkdir resumed>) = 0 [pid 8283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] <... openat resumed>) = 3 [pid 8290] ioctl(4, LOOP_SET_FD, 3 [pid 8287] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5012] fstat(3, [pid 8283] mkdir("./bus", 000 [pid 8281] <... futex resumed>) = 0 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./157/binderfs", [pid 8290] <... ioctl resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8290] close(3 [pid 5012] unlink("./157/binderfs" [pid 8290] <... close resumed>) = 0 [pid 5012] <... unlink resumed>) = 0 [pid 8290] mkdir("./file0", 0777 [pid 5012] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8290] <... mkdir resumed>) = 0 [pid 8290] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8283] <... mkdir resumed>) = 0 [pid 8281] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 296.053373][ T8288] REISERFS (device loop2): using ordered data mode [ 296.069021][ T8288] reiserfs: using flush barriers [ 296.072728][ T8290] loop1: detected capacity change from 0 to 8192 [ 296.081551][ T8288] 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 8283] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8281] <... futex resumed>) = 0 [pid 8283] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8281] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8281] <... futex resumed>) = 0 [pid 8283] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 296.099187][ T8288] REISERFS (device loop2): checking transaction log (loop2) [ 296.103476][ T8290] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 296.108221][ T8287] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 296.122511][ T8290] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 296.145695][ T8290] REISERFS (device loop1): using ordered data mode [ 296.146810][ T8283] overlayfs: upper fs needs to support d_type. [ 296.152476][ T8290] reiserfs: using flush barriers [ 296.158957][ T8283] overlayfs: upper fs does not support tmpfile. [ 296.173128][ T8290] 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 [ 296.173315][ T8288] REISERFS (device loop2): Using r5 hash to sort names [pid 8281] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 8281] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8288] <... mount resumed>) = 0 [pid 8281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8288] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8281] <... mmap resumed>) = 0x7f76a8b35000 [pid 8288] <... openat resumed>) = 3 [pid 8281] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8288] chdir("./file0") = 0 [pid 8281] <... mprotect resumed>) = 0 [pid 8288] ioctl(4, LOOP_CLR_FD [ 296.190198][ T8288] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 296.204504][ T8283] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 296.209319][ T8288] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 296.227301][ T8290] REISERFS (device loop1): checking transaction log (loop1) [ 296.228366][ T8287] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 296.237318][ T8283] overlayfs: failed to resolve './file0': -2 [pid 8281] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8288] <... ioctl resumed>) = 0 [pid 8283] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8288] close(4 [pid 8281] <... clone resumed>, parent_tid=[8296], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8296 [pid 8283] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8296 attached [pid 8296] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8296] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [ 296.251598][ T8290] REISERFS (device loop1): Using r5 hash to sort names [ 296.266349][ T8290] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 296.279541][ T8290] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 296.290333][ T8287] REISERFS (device loop0): using ordered data mode [ 296.297260][ T8287] reiserfs: using flush barriers [pid 8290] <... mount resumed>) = 0 [pid 8288] <... close resumed>) = 0 [pid 8283] <... futex resumed>) = 0 [pid 8281] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8296] <... futex resumed>) = 0 [pid 8290] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8288] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8283] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8281] <... futex resumed>) = 1 [pid 8296] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8296] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8290] <... openat resumed>) = 3 [pid 8288] <... futex resumed>) = 1 [pid 8281] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8285] <... futex resumed>) = 0 [pid 8290] chdir("./file0" [pid 8288] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [ 296.303793][ T8287] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 296.321383][ T8287] REISERFS (device loop0): checking transaction log (loop0) [ 296.330445][ T8287] REISERFS (device loop0): Using r5 hash to sort names [ 296.338723][ T8287] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8285] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8290] <... chdir resumed>) = 0 [pid 8288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8287] <... mount resumed>) = 0 [pid 8285] <... futex resumed>) = 0 [pid 8290] ioctl(4, LOOP_CLR_FD [pid 8288] mkdir("./file1", 000 [pid 8287] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8285] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8290] <... ioctl resumed>) = 0 [pid 8288] <... mkdir resumed>) = 0 [pid 8287] <... openat resumed>) = 3 [pid 8290] close(4 [pid 8288] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8287] chdir("./file0" [pid 8290] <... close resumed>) = 0 [pid 8288] <... futex resumed>) = 1 [pid 8287] <... chdir resumed>) = 0 [pid 8285] <... futex resumed>) = 0 [pid 8290] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8288] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8287] ioctl(4, LOOP_CLR_FD [pid 8285] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8290] <... futex resumed>) = 1 [pid 8288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8287] <... ioctl resumed>) = 0 [pid 8285] <... futex resumed>) = 0 [pid 8290] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8288] mkdir("./bus", 000 [pid 8287] close(4 [pid 8285] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8288] <... mkdir resumed>) = 0 [pid 8287] <... close resumed>) = 0 [pid 8288] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8287] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8288] <... futex resumed>) = 1 [pid 8287] <... futex resumed>) = 1 [pid 8285] <... futex resumed>) = 0 [pid 8289] <... futex resumed>) = 0 [pid 8288] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8287] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8286] <... futex resumed>) = 0 [pid 8285] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8289] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8286] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8285] <... futex resumed>) = 0 [pid 8290] <... futex resumed>) = 0 [pid 8289] <... futex resumed>) = 1 [pid 8288] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8287] <... futex resumed>) = 0 [pid 8286] <... futex resumed>) = 1 [pid 8285] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8290] mkdir("./file1", 000 [pid 8289] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8287] mkdir("./file1", 000 [pid 8290] <... mkdir resumed>) = 0 [pid 8287] <... mkdir resumed>) = 0 [pid 8286] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8287] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8287] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8290] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8290] <... futex resumed>) = 1 [pid 8286] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8289] <... futex resumed>) = 0 [pid 8290] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8286] <... futex resumed>) = 1 [pid 8290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8289] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8286] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8289] <... futex resumed>) = 0 [pid 8290] mkdir("./bus", 000 [pid 8287] <... futex resumed>) = 0 [pid 8289] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8287] mkdir("./bus", 000 [pid 8290] <... mkdir resumed>) = 0 [pid 8287] <... mkdir resumed>) = 0 [ 296.352604][ T8287] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 296.366551][ T8296] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 296.384003][ T8288] overlayfs: upper fs needs to support d_type. [ 296.393778][ T8288] overlayfs: upper fs does not support tmpfile. [pid 8290] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8289] <... futex resumed>) = 0 [pid 8290] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8289] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8289] <... futex resumed>) = 0 [pid 8290] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8289] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8287] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8287] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8286] <... futex resumed>) = 0 [pid 8286] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8287] <... futex resumed>) = 0 [pid 8286] <... futex resumed>) = 1 [pid 8287] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8296] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8286] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... umount2 resumed>) = 0 [pid 8296] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8285] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8285] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8296] <... futex resumed>) = 1 [pid 8285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8281] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8285] <... mmap resumed>) = 0x7f76a8b35000 [pid 8281] exit_group(0 [pid 8285] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8283] <... futex resumed>) = ? [pid 8281] <... exit_group resumed>) = ? [pid 8285] <... mprotect resumed>) = 0 [pid 8283] +++ exited with 0 +++ [pid 8285] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8297], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8297 [pid 8285] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8285] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] lstat("./157/file0", ./strace-static-x86_64: Process 8297 attached [pid 8297] set_robust_list(0x7f76a8b559e0, 24 [pid 8296] +++ exited with 0 +++ [pid 8281] +++ exited with 0 +++ [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8289] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8281, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 8297] <... set_robust_list resumed>) = 0 [pid 8289] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8297] mkdir(".", 0777 [pid 8289] <... futex resumed>) = 0 [pid 5012] <... openat resumed>) = 4 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] fstat(4, [pid 5011] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 296.407902][ T8290] overlayfs: upper fs needs to support d_type. [ 296.408129][ T8288] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 296.414456][ T8290] overlayfs: upper fs does not support tmpfile. [ 296.421592][ T8287] overlayfs: upper fs needs to support d_type. [ 296.435041][ T8287] overlayfs: upper fs does not support tmpfile. [ 296.443405][ T8290] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8297] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8289] <... mmap resumed>) = 0x7f76a8b35000 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... openat resumed>) = 3 [pid 8297] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8289] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8286] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] getdents64(4, [pid 5011] fstat(3, [pid 8289] <... mprotect resumed>) = 0 [pid 8286] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8289] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8286] <... futex resumed>) = 0 [pid 5012] getdents64(4, [pid 5011] getdents64(3, [pid 8286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 8298 attached [pid 8289] <... clone resumed>, parent_tid=[8298], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8298 [pid 8286] <... mmap resumed>) = 0x7f76a8b35000 [pid 5012] close(4 [pid 5011] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 296.469889][ T8288] overlayfs: failed to resolve './file0': -2 [ 296.477475][ T8287] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 296.492293][ T8290] overlayfs: failed to resolve './file0': -2 [ 296.496927][ T8287] overlayfs: failed to resolve './file0': -2 [ 296.506952][ T8297] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8289] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8298] set_robust_list(0x7f76a8b559e0, 24 [pid 8289] <... futex resumed>) = 0 [pid 8286] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... close resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8297] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8297] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8285] <... futex resumed>) = 0 [pid 8297] <... futex resumed>) = 1 [pid 8297] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8298] <... set_robust_list resumed>) = 0 [pid 8289] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8286] <... mprotect resumed>) = 0 [pid 5012] rmdir("./157/file0" [pid 8298] mkdir(".", 0777 [pid 5011] lstat("./156/binderfs", [pid 8286] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... rmdir resumed>) = 0 [pid 8298] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./156/binderfs" [pid 8298] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8286] <... clone resumed>, parent_tid=[8299], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8299 [pid 5012] getdents64(3, [pid 5011] <... unlink resumed>) = 0 [pid 8290] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8288] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8286] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8290] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8288] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8286] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8288] <... futex resumed>) = 0 [pid 8290] <... futex resumed>) = 0 [pid 8288] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8286] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] close(3 [pid 8290] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8285] exit_group(0 [pid 5012] <... close resumed>) = 0 [pid 8288] <... futex resumed>) = ? [pid 8285] <... exit_group resumed>) = ? [pid 8288] +++ exited with 0 +++ [pid 5012] rmdir("./157" [pid 8297] <... futex resumed>) = ? [pid 8297] +++ exited with 0 +++ [pid 8285] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8285, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} --- [pid 5010] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5010] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, ./strace-static-x86_64: Process 8299 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8299] set_robust_list(0x7f76a8b559e0, 24 [pid 5010] getdents64(3, [pid 8299] <... set_robust_list resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8299] mkdir(".", 0777 [pid 8298] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8287] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... rmdir resumed>) = 0 [pid 5010] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8298] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] mkdir("./158", 0777 [pid 8298] <... futex resumed>) = 1 [pid 8289] <... futex resumed>) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 8298] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8289] exit_group(0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8298] <... futex resumed>) = ? [pid 8290] <... futex resumed>) = ? [pid 8289] <... exit_group resumed>) = ? [pid 5012] <... openat resumed>) = 3 [pid 8298] +++ exited with 0 +++ [pid 8290] +++ exited with 0 +++ [pid 8299] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8289] +++ exited with 0 +++ [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5010] lstat("./156/binderfs", [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8289, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5012] close(3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8299] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8287] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... close resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8287] <... futex resumed>) = 0 [pid 5010] unlink("./156/binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8287] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8300 [pid 5009] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... unlink resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./155/binderfs") = 0 [pid 5009] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8300 attached [ 296.536318][ T8298] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8300] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8300] chdir("./158") = 0 [pid 8300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8300] setpgid(0, 0) = 0 [pid 8300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8300] write(3, "1000", 4) = 4 [pid 8300] close(3) = 0 [pid 8300] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8300] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8300] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8300] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8301], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8301 [pid 8300] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8300] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8301 attached [pid 8301] set_robust_list(0x7f76b0b769e0, 24) = 0 [ 296.583820][ T8299] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8301] memfd_create("syzkaller", 0 [pid 8299] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8301] <... memfd_create resumed>) = 3 [pid 8299] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8299] <... futex resumed>) = 1 [pid 8299] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8286] <... futex resumed>) = 0 [pid 8286] exit_group(0) = ? [pid 8299] <... futex resumed>) = ? [pid 8287] <... futex resumed>) = ? [pid 8287] +++ exited with 0 +++ [pid 8299] +++ exited with 0 +++ [pid 8286] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8286, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5008] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, [pid 5011] <... umount2 resumed>) = 0 [pid 5010] <... umount2 resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./155/binderfs" [pid 5011] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... unlink resumed>) = 0 [pid 5008] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./156/file0", [pid 5010] lstat("./156/file0", [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./156/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] openat(AT_FDCWD, "./156/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... openat resumed>) = 4 [pid 5010] <... openat resumed>) = 4 [pid 5010] fstat(4, [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, [pid 5010] getdents64(4, [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, [pid 5010] getdents64(4, [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4 [pid 5010] close(4 [pid 5011] <... close resumed>) = 0 [pid 5011] rmdir("./156/file0" [pid 5010] <... close resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5010] rmdir("./156/file0" [pid 5011] getdents64(3, [pid 5010] <... rmdir resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3 [pid 5010] getdents64(3, [pid 5011] <... close resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] rmdir("./156") = 0 [pid 5010] close(3 [pid 5011] mkdir("./157", 0777 [pid 5010] <... close resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5010] rmdir("./156") = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5010] mkdir("./157", 0777 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5010] <... mkdir resumed>) = 0 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] close(3 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5011] <... close resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] <... openat resumed>) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8302 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8302 attached [pid 8302] set_robust_list(0x555556dec5e0, 24 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8303 [pid 8302] <... set_robust_list resumed>) = 0 [pid 8302] chdir("./157"./strace-static-x86_64: Process 8303 attached [pid 8303] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8303] chdir("./157" [pid 8302] <... chdir resumed>) = 0 [pid 8302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8302] setpgid(0, 0) = 0 [pid 8302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8303] <... chdir resumed>) = 0 [pid 8302] <... openat resumed>) = 3 [pid 8301] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8302] write(3, "1000", 4 [pid 5009] <... umount2 resumed>) = 0 [pid 8302] <... write resumed>) = 4 [pid 8302] close(3) = 0 [pid 8302] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8302] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8302] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8303] <... prctl resumed>) = 0 [pid 8303] setpgid(0, 0 [pid 8302] <... mprotect resumed>) = 0 [pid 8303] <... setpgid resumed>) = 0 [pid 8302] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8302] <... clone resumed>, parent_tid=[8304], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8304 [pid 8302] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8302] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8303] <... openat resumed>) = 3 [pid 8303] write(3, "1000", 4 [pid 5009] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8303] <... write resumed>) = 4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8304 attached [pid 8304] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8304] memfd_create("syzkaller", 0 [pid 8303] close(3 [pid 5009] lstat("./155/file0", [pid 8303] <... close resumed>) = 0 [pid 8304] <... memfd_create resumed>) = 3 [pid 8304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8303] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8303] <... symlink resumed>) = 0 [pid 5009] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8303] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] openat(AT_FDCWD, "./155/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8303] <... futex resumed>) = 0 [pid 5009] <... openat resumed>) = 4 [pid 8303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] fstat(4, [pid 8303] <... mmap resumed>) = 0x7f76b0b56000 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8303] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] getdents64(4, [pid 8303] <... mprotect resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8303] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4 [pid 8303] <... clone resumed>, parent_tid=[8305], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8305 [pid 8303] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... close resumed>) = 0 [pid 8303] <... futex resumed>) = 0 [pid 5009] rmdir("./155/file0" [pid 8303] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 8305 attached [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8305] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] close(3 [pid 8305] <... set_robust_list resumed>) = 0 [pid 8305] memfd_create("syzkaller", 0 [pid 5009] <... close resumed>) = 0 [pid 5009] rmdir("./155" [pid 8305] <... memfd_create resumed>) = 3 [pid 8305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5009] mkdir("./156", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 8305] <... mmap resumed>) = 0x7f76a8756000 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8306 ./strace-static-x86_64: Process 8306 attached [pid 8306] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8306] chdir("./156") = 0 [pid 8306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8306] setpgid(0, 0) = 0 [pid 8306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8306] write(3, "1000", 4) = 4 [pid 5008] <... umount2 resumed>) = 0 [pid 8306] close(3) = 0 [pid 8306] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8306] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8306] <... futex resumed>) = 0 [pid 8306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8306] <... mmap resumed>) = 0x7f76b0b56000 [pid 8304] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8306] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5008] lstat("./155/file0", [pid 8306] <... mprotect resumed>) = 0 [pid 8306] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8306] <... clone resumed>, parent_tid=[8307], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8307 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8306] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./155/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8306] <... futex resumed>) = 0 [pid 5008] <... openat resumed>) = 4 ./strace-static-x86_64: Process 8307 attached [pid 8306] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8305] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./155/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./155") = 0 [pid 5008] mkdir("./156", 0777 [pid 8307] set_robust_list(0x7f76b0b769e0, 24 [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 8307] <... set_robust_list resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8307] memfd_create("syzkaller", 0) = 3 [pid 8307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8308 [pid 8307] <... mmap resumed>) = 0x7f76a8756000 ./strace-static-x86_64: Process 8308 attached [pid 8308] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8308] chdir("./156") = 0 [pid 8308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8308] setpgid(0, 0) = 0 [pid 8308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8308] write(3, "1000", 4) = 4 [pid 8308] close(3) = 0 [pid 8308] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8308] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8301] <... write resumed>) = 4194304 [pid 8308] <... futex resumed>) = 0 [pid 8308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8301] munmap(0x7f76a8756000, 4194304 [pid 8308] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8308] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8309], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8309 [pid 8308] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8308] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8309 attached [pid 8309] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8301] <... munmap resumed>) = 0 [pid 8301] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8309] memfd_create("syzkaller", 0 [pid 8301] <... openat resumed>) = 4 [pid 8301] ioctl(4, LOOP_SET_FD, 3 [pid 8309] <... memfd_create resumed>) = 3 [pid 8309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8301] <... ioctl resumed>) = 0 [pid 8301] close(3) = 0 [pid 8301] mkdir("./file0", 0777) = 0 [pid 8301] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 296.974964][ T8301] loop4: detected capacity change from 0 to 8192 [pid 8307] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8304] <... write resumed>) = 4194304 [pid 8304] munmap(0x7f76a8756000, 4194304) = 0 [pid 8304] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8304] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8304] close(3) = 0 [pid 8304] mkdir("./file0", 0777) = 0 [pid 8304] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8309] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8305] <... write resumed>) = 4194304 [pid 8305] munmap(0x7f76a8756000, 4194304) = 0 [pid 8305] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 297.035147][ T8304] loop3: detected capacity change from 0 to 8192 [ 297.035898][ T8301] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 297.065761][ T8304] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8305] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8305] close(3) = 0 [pid 8307] <... write resumed>) = 4194304 [pid 8307] munmap(0x7f76a8756000, 4194304 [pid 8305] mkdir("./file0", 0777 [pid 8307] <... munmap resumed>) = 0 [pid 8307] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8307] ioctl(4, LOOP_SET_FD, 3 [pid 8305] <... mkdir resumed>) = 0 [ 297.091809][ T8305] loop2: detected capacity change from 0 to 8192 [ 297.113252][ T8301] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 297.123550][ T8304] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 297.127233][ T8307] loop1: detected capacity change from 0 to 8192 [pid 8305] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8307] <... ioctl resumed>) = 0 [pid 8307] close(3) = 0 [pid 8307] mkdir("./file0", 0777) = 0 [ 297.140820][ T8301] REISERFS (device loop4): using ordered data mode [ 297.149257][ T8304] REISERFS (device loop3): using ordered data mode [ 297.157119][ T8305] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 297.161403][ T8301] reiserfs: using flush barriers [ 297.175914][ T8305] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 297.176860][ T8304] reiserfs: using flush barriers [ 297.190279][ T8307] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 297.190491][ T8305] REISERFS (device loop2): using ordered data mode [ 297.206481][ T8304] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 297.227299][ T8307] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8307] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8309] <... write resumed>) = 4194304 [pid 8309] munmap(0x7f76a8756000, 4194304) = 0 [pid 8309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 297.228156][ T8304] REISERFS (device loop3): checking transaction log (loop3) [ 297.243996][ T8301] 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 [ 297.261954][ T8304] REISERFS (device loop3): Using r5 hash to sort names [ 297.262745][ T8309] loop0: detected capacity change from 0 to 8192 [ 297.269654][ T8301] REISERFS (device loop4): checking transaction log (loop4) [ 297.277325][ T8307] REISERFS (device loop1): using ordered data mode [pid 8309] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8309] close(3) = 0 [pid 8309] mkdir("./file0", 0777) = 0 [ 297.283002][ T8304] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 297.303562][ T8305] reiserfs: using flush barriers [ 297.303785][ T8304] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 297.313471][ T8307] reiserfs: using flush barriers [ 297.317835][ T8301] REISERFS (device loop4): Using r5 hash to sort names [pid 8309] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8304] <... mount resumed>) = 0 [ 297.330975][ T8301] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 297.331431][ T8305] 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 [ 297.344253][ T8301] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 297.361875][ T8309] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 297.372187][ T8305] REISERFS (device loop2): checking transaction log (loop2) [pid 8304] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8301] <... mount resumed>) = 0 [pid 8304] <... openat resumed>) = 3 [pid 8301] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8304] chdir("./file0" [pid 8301] <... openat resumed>) = 3 [pid 8304] <... chdir resumed>) = 0 [pid 8301] chdir("./file0" [ 297.383772][ T8309] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 297.389831][ T8307] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 297.399068][ T8309] REISERFS (device loop0): using ordered data mode [ 297.422313][ T8309] reiserfs: using flush barriers [pid 8304] ioctl(4, LOOP_CLR_FD) = 0 [pid 8301] <... chdir resumed>) = 0 [pid 8304] close(4 [pid 8301] ioctl(4, LOOP_CLR_FD [pid 8304] <... close resumed>) = 0 [pid 8301] <... ioctl resumed>) = 0 [pid 8304] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8301] close(4 [pid 8304] <... futex resumed>) = 1 [pid 8302] <... futex resumed>) = 0 [pid 8301] <... close resumed>) = 0 [pid 8304] mkdir("./file1", 000 [pid 8302] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8301] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8304] <... mkdir resumed>) = 0 [pid 8302] <... futex resumed>) = 0 [pid 8301] <... futex resumed>) = 1 [pid 8300] <... futex resumed>) = 0 [pid 8304] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8302] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8301] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8300] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8304] <... futex resumed>) = 0 [pid 8302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8300] <... futex resumed>) = 0 [pid 8304] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8302] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8301] mkdir("./file1", 000 [pid 8300] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8302] <... futex resumed>) = 0 [pid 8301] <... mkdir resumed>) = 0 [pid 8304] mkdir("./bus", 000 [pid 8302] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 297.430036][ T8309] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 297.446938][ T8309] REISERFS (device loop0): checking transaction log (loop0) [ 297.456161][ T8305] REISERFS (device loop2): Using r5 hash to sort names [ 297.463312][ T8305] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 297.472064][ T8307] REISERFS (device loop1): checking transaction log (loop1) [ 297.478467][ T8305] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8301] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8305] <... mount resumed>) = 0 [pid 8304] <... mkdir resumed>) = 0 [pid 8301] <... futex resumed>) = 1 [pid 8300] <... futex resumed>) = 0 [pid 8305] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8304] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8301] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8300] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8305] <... openat resumed>) = 3 [pid 8304] <... futex resumed>) = 1 [pid 8302] <... futex resumed>) = 0 [pid 8301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8300] <... futex resumed>) = 0 [pid 8304] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8302] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8301] mkdir("./bus", 000 [ 297.483752][ T8309] REISERFS (device loop0): Using r5 hash to sort names [ 297.519283][ T8309] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 297.532345][ T8309] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8300] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8305] chdir("./file0" [pid 8304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8302] <... futex resumed>) = 0 [pid 8301] <... mkdir resumed>) = 0 [pid 8304] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8302] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8301] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8309] <... mount resumed>) = 0 [pid 8307] <... mount resumed>) = 0 [pid 8305] <... chdir resumed>) = 0 [pid 8301] <... futex resumed>) = 1 [pid 8300] <... futex resumed>) = 0 [pid 8309] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8307] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8305] ioctl(4, LOOP_CLR_FD [pid 8301] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8300] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8309] <... openat resumed>) = 3 [pid 8307] <... openat resumed>) = 3 [pid 8305] <... ioctl resumed>) = 0 [pid 8301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8300] <... futex resumed>) = 0 [ 297.541885][ T8307] REISERFS (device loop1): Using r5 hash to sort names [ 297.547918][ T8304] overlayfs: upper fs needs to support d_type. [ 297.550871][ T8307] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 297.555656][ T8304] overlayfs: upper fs does not support tmpfile. [ 297.567991][ T8307] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8301] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8300] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8309] chdir("./file0" [pid 8307] chdir("./file0" [pid 8305] close(4 [pid 8309] <... chdir resumed>) = 0 [pid 8307] <... chdir resumed>) = 0 [pid 8305] <... close resumed>) = 0 [pid 8309] ioctl(4, LOOP_CLR_FD [pid 8307] ioctl(4, LOOP_CLR_FD [pid 8305] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8309] <... ioctl resumed>) = 0 [pid 8307] <... ioctl resumed>) = 0 [pid 8305] <... futex resumed>) = 1 [pid 8303] <... futex resumed>) = 0 [pid 8309] close(4 [pid 8307] close(4 [pid 8305] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8303] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8303] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8309] <... close resumed>) = 0 [pid 8307] <... close resumed>) = 0 [pid 8305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8309] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8307] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8305] mkdir("./file1", 000 [pid 8309] <... futex resumed>) = 1 [pid 8308] <... futex resumed>) = 0 [pid 8307] <... futex resumed>) = 1 [pid 8306] <... futex resumed>) = 0 [pid 8309] mkdir("./file1", 000 [pid 8308] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8307] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8306] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8305] <... mkdir resumed>) = 0 [pid 8302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8309] <... mkdir resumed>) = 0 [pid 8308] <... futex resumed>) = 0 [pid 8307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8309] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8308] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8307] mkdir("./file1", 000 [pid 8306] <... futex resumed>) = 0 [pid 8305] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8309] <... futex resumed>) = 0 [pid 8308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8309] mkdir("./bus", 000 [pid 8308] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8307] <... mkdir resumed>) = 0 [pid 8306] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8305] <... futex resumed>) = 1 [pid 8303] <... futex resumed>) = 0 [pid 8302] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8309] <... mkdir resumed>) = 0 [pid 8308] <... futex resumed>) = 0 [pid 8307] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8305] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8304] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8303] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8302] <... futex resumed>) = 0 [pid 8303] <... futex resumed>) = 0 [pid 8302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8303] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8302] <... mmap resumed>) = 0x7f76a8b35000 [pid 8302] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8300] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8309] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8308] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8307] <... futex resumed>) = 0 [pid 8306] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8304] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8302] <... mprotect resumed>) = 0 [pid 8300] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8309] <... futex resumed>) = 0 [pid 8308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8307] mkdir("./bus", 000 [pid 8306] <... futex resumed>) = 0 [pid 8305] mkdir("./bus", 000 [pid 8304] <... futex resumed>) = 0 [pid 8302] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8300] <... futex resumed>) = 0 [pid 8309] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8308] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8307] <... mkdir resumed>) = 0 [pid 8306] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8305] <... mkdir resumed>) = 0 [pid 8304] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8308] <... futex resumed>) = 0 [pid 8307] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8305] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8302] <... clone resumed>, parent_tid=[8315], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8315 [pid 8300] <... mmap resumed>) = 0x7f76a8b35000 [ 297.589036][ T8304] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 297.592843][ T8301] overlayfs: upper fs needs to support d_type. [ 297.597722][ T8304] overlayfs: failed to resolve './file0': -2 [ 297.614026][ T8301] overlayfs: upper fs does not support tmpfile. [ 297.630930][ T8301] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8309] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8308] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8307] <... futex resumed>) = 0 [pid 8306] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8305] <... futex resumed>) = 1 [pid 8303] <... futex resumed>) = 0 [pid 8302] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8300] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 8315 attached [pid 8307] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8306] <... futex resumed>) = 0 [pid 8305] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8303] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8302] <... futex resumed>) = 0 [pid 8300] <... mprotect resumed>) = 0 [pid 8315] set_robust_list(0x7f76a8b559e0, 24 [pid 8302] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8300] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8315] <... set_robust_list resumed>) = 0 [pid 8315] mkdir(".", 0777 [pid 8306] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8303] <... futex resumed>) = 0 [pid 8300] <... clone resumed>, parent_tid=[8316], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8316 [pid 8315] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8300] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8315] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8300] <... futex resumed>) = 0 [pid 8305] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8303] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 297.667766][ T8301] overlayfs: failed to resolve './file0': -2 [ 297.675908][ T8309] overlayfs: upper fs needs to support d_type. [ 297.683793][ T8307] overlayfs: upper fs needs to support d_type. [ 297.695031][ T8315] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 297.695708][ T8309] overlayfs: upper fs does not support tmpfile. [pid 8300] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8315] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8315] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8302] <... futex resumed>) = 0 [pid 8302] exit_group(0 [pid 8308] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8304] <... futex resumed>) = ? [pid 8302] <... exit_group resumed>) = ? [pid 8315] <... futex resumed>) = ? [pid 8315] +++ exited with 0 +++ [pid 8301] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8301] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8308] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8301] <... futex resumed>) = 0 [pid 8301] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8316 attached [pid 8308] <... futex resumed>) = 0 [pid 8304] +++ exited with 0 +++ [pid 8302] +++ exited with 0 +++ [pid 8316] set_robust_list(0x7f76a8b559e0, 24 [pid 8308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8306] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8302, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 8316] <... set_robust_list resumed>) = 0 [pid 8308] <... mmap resumed>) = 0x7f76a8b35000 [pid 8306] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8316] mkdir(".", 0777 [pid 8308] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8306] <... futex resumed>) = 0 [pid 5011] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8316] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8308] <... mprotect resumed>) = 0 [pid 8306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, [ 297.716243][ T8307] overlayfs: upper fs does not support tmpfile. [ 297.723214][ T8307] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 297.730892][ T8305] overlayfs: upper fs needs to support d_type. [ 297.748914][ T8305] overlayfs: upper fs does not support tmpfile. [ 297.757446][ T8305] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8316] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8308] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8306] <... mmap resumed>) = 0x7f76a8b35000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8303] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8306] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8303] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8317 attached [pid 8308] <... clone resumed>, parent_tid=[8317], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8317 [pid 8306] <... mprotect resumed>) = 0 [pid 8303] <... futex resumed>) = 0 [pid 5011] lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./157/binderfs" [pid 8317] set_robust_list(0x7f76a8b559e0, 24 [pid 8316] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8308] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8306] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... unlink resumed>) = 0 [pid 8317] <... set_robust_list resumed>) = 0 [pid 8316] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8308] <... futex resumed>) = 0 [pid 8307] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8305] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8303] <... mmap resumed>) = 0x7f76a8b35000 [pid 5011] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8318 attached [ 297.767072][ T8305] overlayfs: failed to resolve './file0': -2 [ 297.779318][ T8307] overlayfs: failed to resolve './file0': -2 [ 297.786189][ T8316] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 297.791434][ T8309] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8318] set_robust_list(0x7f76a8b559e0, 24 [pid 8317] mkdir(".", 0777 [pid 8316] <... futex resumed>) = 1 [pid 8308] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8307] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8306] <... clone resumed>, parent_tid=[8318], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8318 [pid 8305] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8303] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8300] <... futex resumed>) = 0 [pid 8318] <... set_robust_list resumed>) = 0 [pid 8317] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8316] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8309] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8307] <... futex resumed>) = 0 [pid 8306] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8305] <... futex resumed>) = 0 [pid 8303] <... mprotect resumed>) = 0 [pid 8300] exit_group(0 [pid 8318] mkdir(".", 0777 [pid 8317] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8316] <... futex resumed>) = ? [pid 8309] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8307] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8306] <... futex resumed>) = 0 [pid 8305] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8303] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8301] <... futex resumed>) = ? [pid 8300] <... exit_group resumed>) = ? [pid 8318] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8316] +++ exited with 0 +++ [pid 8309] <... futex resumed>) = 0 [pid 8306] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8301] +++ exited with 0 +++ [pid 8300] +++ exited with 0 +++ [ 297.814192][ T8309] overlayfs: failed to resolve './file0': -2 [pid 8318] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8309] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8303] <... clone resumed>, parent_tid=[8319], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8319 [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8300, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 8318] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8318] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8318] <... futex resumed>) = 1 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8318] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./158/binderfs") = 0 [ 297.848926][ T8317] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 297.862393][ T8318] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5012] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8319 attached [pid 8317] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8306] <... futex resumed>) = 0 [pid 8303] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8319] set_robust_list(0x7f76a8b559e0, 24 [pid 8317] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8306] exit_group(0 [pid 8303] <... futex resumed>) = 0 [pid 8319] <... set_robust_list resumed>) = 0 [pid 8317] <... futex resumed>) = 1 [pid 8308] <... futex resumed>) = 0 [pid 8307] <... futex resumed>) = ? [pid 8306] <... exit_group resumed>) = ? [pid 8303] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8318] <... futex resumed>) = ? [pid 8319] mkdir(".", 0777 [pid 8317] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8308] exit_group(0 [pid 8307] +++ exited with 0 +++ [pid 8319] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8317] <... futex resumed>) = ? [pid 8309] <... futex resumed>) = ? [pid 8308] <... exit_group resumed>) = ? [pid 8319] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8317] +++ exited with 0 +++ [pid 8309] +++ exited with 0 +++ [pid 8308] +++ exited with 0 +++ [pid 8318] +++ exited with 0 +++ [pid 8306] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8308, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8306, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 8319] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8319] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8303] <... futex resumed>) = 0 [pid 8303] exit_group(0 [pid 8305] <... futex resumed>) = ? [pid 8303] <... exit_group resumed>) = ? [pid 5009] <... restart_syscall resumed>) = 0 [pid 8305] +++ exited with 0 +++ [pid 8319] <... futex resumed>) = ? [pid 5009] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... openat resumed>) = 3 [pid 5009] fstat(3, [pid 5008] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5009] getdents64(3, [pid 5008] fstat(3, [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] lstat("./156/binderfs", [pid 5008] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./156/binderfs" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... unlink resumed>) = 0 [pid 5008] lstat("./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] unlink("./156/binderfs") = 0 [pid 5008] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8319] +++ exited with 0 +++ [pid 8303] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8303, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5010] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5010] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./157/binderfs") = 0 [ 297.898799][ T8319] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5010] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./157/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4) = 0 [pid 5011] rmdir("./157/file0") = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./157") = 0 [pid 5011] mkdir("./158", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8320 ./strace-static-x86_64: Process 8320 attached [pid 8320] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8320] chdir("./158") = 0 [pid 8320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8320] setpgid(0, 0) = 0 [pid 8320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8320] write(3, "1000", 4) = 4 [pid 8320] close(3) = 0 [pid 8320] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8320] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8320] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... umount2 resumed>) = 0 [pid 8320] <... mprotect resumed>) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./156/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./156/file0", 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, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./156/file0") = 0 [pid 8320] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./156") = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./158/file0", [pid 8320] <... clone resumed>, parent_tid=[8321], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8321 [pid 5009] lstat("./156/file0", [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8320] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8320] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8320] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] mkdir("./157", 0777 [pid 5012] <... openat resumed>) = 4 [pid 5009] openat(AT_FDCWD, "./156/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... openat resumed>) = 4 [pid 5008] <... mkdir resumed>) = 0 [pid 5012] getdents64(4, [pid 5009] fstat(4, [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] getdents64(4, [pid 5012] close(4 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5012] <... close resumed>) = 0 [pid 5009] getdents64(4, [pid 5012] rmdir("./158/file0" [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3./strace-static-x86_64: Process 8321 attached [pid 5012] <... rmdir resumed>) = 0 [pid 5010] <... umount2 resumed>) = 0 [pid 5009] close(4 [pid 5008] <... close resumed>) = 0 [pid 8321] set_robust_list(0x7f76b0b769e0, 24 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8321] <... set_robust_list resumed>) = 0 [pid 5012] getdents64(3, [pid 5010] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... close resumed>) = 0 [pid 8321] memfd_create("syzkaller", 0 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8322 [pid 8321] <... memfd_create resumed>) = 3 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] rmdir("./156/file0" [pid 8321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5012] close(3 [pid 5010] lstat("./157/file0", [pid 5009] <... rmdir resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, [pid 5012] rmdir("./158"./strace-static-x86_64: Process 8322 attached ) = 0 [pid 5010] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8322] set_robust_list(0x555556dec5e0, 24 [pid 5012] mkdir("./159", 0777 [pid 8322] <... set_robust_list resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] close(3 [pid 5012] <... mkdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... close resumed>) = 0 [pid 8322] chdir("./157") = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5010] <... openat resumed>) = 4 [pid 5009] rmdir("./156" [pid 8322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] <... openat resumed>) = 3 [pid 5010] fstat(4, [pid 5009] <... rmdir resumed>) = 0 [pid 8322] <... prctl resumed>) = 0 [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] mkdir("./157", 0777 [pid 8322] setpgid(0, 0 [pid 5010] getdents64(4, [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8322] <... setpgid resumed>) = 0 [pid 5012] close(3 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] <... mkdir resumed>) = 0 [pid 8322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... close resumed>) = 0 [pid 5010] getdents64(4, [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8322] <... openat resumed>) = 3 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... openat resumed>) = 3 [pid 8322] write(3, "1000", 4 [pid 5010] close(4 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 8322] <... write resumed>) = 4 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8323 [pid 5010] <... close resumed>) = 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 8323 attached [pid 8322] close(3 [pid 5010] rmdir("./157/file0" [pid 5009] close(3 [pid 8322] <... close resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 8323] set_robust_list(0x555556dec5e0, 24 [pid 8322] symlink("/dev/binderfs", "./binderfs" [pid 5010] getdents64(3, [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8323] <... set_robust_list resumed>) = 0 [pid 8322] <... symlink resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8322] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] close(3 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8324 [pid 8322] <... futex resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 8322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] rmdir("./157" [pid 8323] chdir("./159" [pid 8322] <... mmap resumed>) = 0x7f76b0b56000 [pid 5010] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 8324 attached [pid 8323] <... chdir resumed>) = 0 [pid 8322] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5010] mkdir("./158", 0777 [pid 8324] set_robust_list(0x555556dec5e0, 24 [pid 8323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8322] <... mprotect resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 8324] <... set_robust_list resumed>) = 0 [pid 8323] <... prctl resumed>) = 0 [pid 8322] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8324] chdir("./157" [pid 8323] setpgid(0, 0 [pid 5010] <... openat resumed>) = 3 [pid 8324] <... chdir resumed>) = 0 [pid 8323] <... setpgid resumed>) = 0 [pid 8322] <... clone resumed>, parent_tid=[8325], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8325 [pid 8321] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 8324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8322] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 8325 attached [pid 8324] <... prctl resumed>) = 0 [pid 8323] <... openat resumed>) = 3 [pid 8322] <... futex resumed>) = 0 [pid 5010] close(3 [pid 8325] set_robust_list(0x7f76b0b769e0, 24 [pid 8324] setpgid(0, 0 [pid 8323] write(3, "1000", 4 [pid 8322] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] <... close resumed>) = 0 [pid 8325] <... set_robust_list resumed>) = 0 [pid 8324] <... setpgid resumed>) = 0 [pid 8323] <... write resumed>) = 4 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8325] memfd_create("syzkaller", 0 [pid 8324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8323] close(3 [pid 8325] <... memfd_create resumed>) = 3 [pid 8324] <... openat resumed>) = 3 [pid 8323] <... close resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8326 [pid 8325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8324] write(3, "1000", 4 [pid 8323] symlink("/dev/binderfs", "./binderfs" [pid 8325] <... mmap resumed>) = 0x7f76a8756000 [pid 8324] <... write resumed>) = 4 [pid 8323] <... symlink resumed>) = 0 [pid 8324] close(3 [pid 8323] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8324] <... close resumed>) = 0 [pid 8323] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8326 attached [pid 8324] symlink("/dev/binderfs", "./binderfs" [pid 8323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8326] set_robust_list(0x555556dec5e0, 24 [pid 8324] <... symlink resumed>) = 0 [pid 8323] <... mmap resumed>) = 0x7f76b0b56000 [pid 8326] <... set_robust_list resumed>) = 0 [pid 8324] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8326] chdir("./158" [pid 8324] <... futex resumed>) = 0 [pid 8326] <... chdir resumed>) = 0 [pid 8324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8324] <... mmap resumed>) = 0x7f76b0b56000 [pid 8326] <... prctl resumed>) = 0 [pid 8324] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8326] setpgid(0, 0 [pid 8324] <... mprotect resumed>) = 0 [pid 8323] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8326] <... setpgid resumed>) = 0 [pid 8324] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8323] <... mprotect resumed>) = 0 [pid 8326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8323] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8326] <... openat resumed>) = 3 [pid 8324] <... clone resumed>, parent_tid=[8327], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8327 [pid 8326] write(3, "1000", 4 [pid 8324] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8323] <... clone resumed>, parent_tid=[8328], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8328 [pid 8326] <... write resumed>) = 4 [pid 8324] <... futex resumed>) = 0 [pid 8323] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8326] close(3 [pid 8324] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8323] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8328 attached [pid 8326] <... close resumed>) = 0 [pid 8323] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8326] symlink("/dev/binderfs", "./binderfs" [pid 8328] set_robust_list(0x7f76b0b769e0, 24./strace-static-x86_64: Process 8327 attached [pid 8326] <... symlink resumed>) = 0 [pid 8326] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8328] <... set_robust_list resumed>) = 0 [pid 8327] set_robust_list(0x7f76b0b769e0, 24 [pid 8326] <... futex resumed>) = 0 [pid 8328] memfd_create("syzkaller", 0 [pid 8327] <... set_robust_list resumed>) = 0 [pid 8326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8328] <... memfd_create resumed>) = 3 [pid 8327] memfd_create("syzkaller", 0 [pid 8326] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8326] <... mprotect resumed>) = 0 [pid 8328] <... mmap resumed>) = 0x7f76a8756000 [pid 8327] <... memfd_create resumed>) = 3 [pid 8326] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8326] <... clone resumed>, parent_tid=[8329], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8329 [pid 8327] <... mmap resumed>) = 0x7f76a8756000 [pid 8326] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8326] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8329 attached [pid 8329] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8329] memfd_create("syzkaller", 0) = 3 [pid 8329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8329] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8327] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8328] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8325] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8321] <... write resumed>) = 4194304 [pid 8321] munmap(0x7f76a8756000, 4194304) = 0 [pid 8321] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8321] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8321] close(3) = 0 [pid 8321] mkdir("./file0", 0777) = 0 [ 298.372113][ T8321] loop3: detected capacity change from 0 to 8192 [ 298.415888][ T8321] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 298.437702][ T8321] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 298.447342][ T8321] REISERFS (device loop3): using ordered data mode [ 298.453902][ T8321] reiserfs: using flush barriers [pid 8321] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8329] <... write resumed>) = 4194304 [pid 8328] <... write resumed>) = 4194304 [pid 8325] <... write resumed>) = 4194304 [pid 8325] munmap(0x7f76a8756000, 4194304 [pid 8329] munmap(0x7f76a8756000, 4194304 [pid 8321] <... mount resumed>) = 0 [pid 8329] <... munmap resumed>) = 0 [pid 8328] munmap(0x7f76a8756000, 4194304 [pid 8327] <... write resumed>) = 4194304 [pid 8321] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8329] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8327] munmap(0x7f76a8756000, 4194304 [pid 8325] <... munmap resumed>) = 0 [pid 8321] <... openat resumed>) = 3 [pid 8329] <... openat resumed>) = 4 [pid 8328] <... munmap resumed>) = 0 [pid 8325] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8321] chdir("./file0" [pid 8329] ioctl(4, LOOP_SET_FD, 3 [pid 8328] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8327] <... munmap resumed>) = 0 [pid 8321] <... chdir resumed>) = 0 [pid 8325] <... openat resumed>) = 4 [ 298.460280][ T8321] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 298.476887][ T8321] REISERFS (device loop3): checking transaction log (loop3) [ 298.485327][ T8321] REISERFS (device loop3): Using r5 hash to sort names [ 298.492473][ T8321] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 298.505553][ T8321] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8321] ioctl(4, LOOP_CLR_FD [pid 8328] <... openat resumed>) = 4 [pid 8327] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8325] ioctl(4, LOOP_SET_FD, 3 [pid 8329] <... ioctl resumed>) = 0 [pid 8328] ioctl(4, LOOP_SET_FD, 3 [pid 8327] <... openat resumed>) = 4 [pid 8321] <... ioctl resumed>) = 0 [pid 8329] close(3 [pid 8321] close(4 [pid 8329] <... close resumed>) = 0 [pid 8327] ioctl(4, LOOP_SET_FD, 3 [pid 8321] <... close resumed>) = 0 [pid 8329] mkdir("./file0", 0777 [pid 8321] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8329] <... mkdir resumed>) = 0 [pid 8321] <... futex resumed>) = 1 [pid 8320] <... futex resumed>) = 0 [pid 8329] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8321] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8320] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8321] mkdir("./file1", 000) = 0 [pid 8321] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8321] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8325] <... ioctl resumed>) = 0 [pid 8325] close(3) = 0 [pid 8325] mkdir("./file0", 0777) = 0 [pid 8325] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8320] <... futex resumed>) = 1 [pid 8321] <... futex resumed>) = 0 [pid 8321] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8320] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8320] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8321] <... futex resumed>) = 0 [pid 8320] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8321] mkdir("./bus", 000) = 0 [pid 8321] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8320] <... futex resumed>) = 0 [pid 8321] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 8320] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8321] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8320] <... futex resumed>) = 0 [pid 8320] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8328] <... ioctl resumed>) = 0 [pid 8328] close(3) = 0 [pid 8328] mkdir("./file0", 0777) = 0 [pid 8328] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8327] <... ioctl resumed>) = 0 [pid 8327] close(3) = 0 [pid 8327] mkdir("./file0", 0777) = 0 [ 298.524152][ T8329] loop2: detected capacity change from 0 to 8192 [ 298.529319][ T8325] loop0: detected capacity change from 0 to 8192 [ 298.541808][ T8327] loop1: detected capacity change from 0 to 8192 [ 298.554250][ T8321] overlayfs: upper fs needs to support d_type. [ 298.558496][ T8328] loop4: detected capacity change from 0 to 8192 [ 298.561862][ T8321] overlayfs: upper fs does not support tmpfile. [ 298.574537][ T8329] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 298.576042][ T8321] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 298.588295][ T8325] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 298.596980][ T8321] overlayfs: failed to resolve './file0': -2 [ 298.608559][ T8329] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 8327] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8320] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8320] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [ 298.614592][ T8328] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 298.623473][ T8325] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 298.646014][ T8329] REISERFS (device loop2): using ordered data mode [ 298.646316][ T8327] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 298.653374][ T8329] reiserfs: using flush barriers [pid 8320] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8335], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8335 [pid 8320] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8335 attached [pid 8335] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8335] mkdir(".", 0777) = -1 EEXIST (File exists) [ 298.675564][ T8325] REISERFS (device loop0): using ordered data mode [ 298.682914][ T8325] reiserfs: using flush barriers [ 298.684862][ T8329] 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 [ 298.704274][ T8328] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 8335] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8320] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8321] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8321] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 298.704326][ T8325] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 298.732952][ T8325] REISERFS (device loop0): checking transaction log (loop0) [ 298.740930][ T8327] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 298.750995][ T8325] REISERFS (device loop0): Using r5 hash to sort names [ 298.758891][ T8335] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8321] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8335] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8335] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8320] <... futex resumed>) = 0 [pid 8320] exit_group(0 [pid 8321] <... futex resumed>) = ? [pid 8320] <... exit_group resumed>) = ? [pid 8321] +++ exited with 0 +++ [pid 8335] <... futex resumed>) = ? [pid 8335] +++ exited with 0 +++ [pid 8320] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8320, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5011] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5011] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./158/binderfs") = 0 [ 298.759029][ T8325] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 298.776853][ T8328] REISERFS (device loop4): using ordered data mode [ 298.785691][ T8327] REISERFS (device loop1): using ordered data mode [ 298.799156][ T8329] REISERFS (device loop2): checking transaction log (loop2) [ 298.808360][ T8329] REISERFS (device loop2): Using r5 hash to sort names [ 298.816039][ T8327] reiserfs: using flush barriers [ 298.823574][ T8327] 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 [ 298.827687][ T8328] reiserfs: using flush barriers [ 298.840487][ T8329] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 298.852434][ T8325] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 298.858237][ T8327] REISERFS (device loop1): checking transaction log (loop1) [pid 5011] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8325] <... mount resumed>) = 0 [pid 8325] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8325] chdir("./file0") = 0 [pid 8325] ioctl(4, LOOP_CLR_FD) = 0 [pid 8325] close(4) = 0 [pid 8325] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 298.868192][ T8328] 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 [ 298.874378][ T8329] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 298.902752][ T8327] REISERFS (device loop1): Using r5 hash to sort names [ 298.911433][ T8327] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8325] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8322] <... futex resumed>) = 0 [pid 8322] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8322] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8329] <... mount resumed>) = 0 [pid 8325] <... futex resumed>) = 0 [pid 8325] mkdir("./file1", 000) = 0 [pid 8325] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8325] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8322] <... futex resumed>) = 0 [pid 8329] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8327] <... mount resumed>) = 0 [pid 8322] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8329] <... openat resumed>) = 3 [pid 8327] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8325] <... futex resumed>) = 0 [pid 8322] <... futex resumed>) = 1 [pid 8327] <... openat resumed>) = 3 [pid 8325] mkdir("./bus", 000) = 0 [pid 8325] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8325] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8329] chdir("./file0") = 0 [pid 8329] ioctl(4, LOOP_CLR_FD) = 0 [pid 8329] close(4 [pid 8322] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8327] chdir("./file0") = 0 [pid 8322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8327] ioctl(4, LOOP_CLR_FD [pid 8322] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8327] <... ioctl resumed>) = 0 [pid 8325] <... futex resumed>) = 0 [pid 8322] <... futex resumed>) = 1 [ 298.919983][ T8328] REISERFS (device loop4): checking transaction log (loop4) [ 298.933052][ T8327] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 298.945451][ T8328] REISERFS (device loop4): Using r5 hash to sort names [ 298.953440][ T8328] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 298.967961][ T8328] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8325] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8329] <... close resumed>) = 0 [pid 8328] <... mount resumed>) = 0 [pid 8327] close(4 [pid 8322] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8329] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8328] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8327] <... close resumed>) = 0 [pid 8329] <... futex resumed>) = 1 [pid 8328] <... openat resumed>) = 3 [pid 8326] <... futex resumed>) = 0 [pid 8327] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8326] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8329] mkdir("./file1", 000 [pid 8328] chdir("./file0" [pid 8327] <... futex resumed>) = 1 [pid 8326] <... futex resumed>) = 0 [pid 8324] <... futex resumed>) = 0 [pid 8329] <... mkdir resumed>) = 0 [pid 8328] <... chdir resumed>) = 0 [pid 8327] mkdir("./file1", 000 [pid 8326] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8324] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8329] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8328] ioctl(4, LOOP_CLR_FD [pid 8329] <... futex resumed>) = 0 [pid 8328] <... ioctl resumed>) = 0 [pid 8327] <... mkdir resumed>) = 0 [pid 8326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8324] <... futex resumed>) = 0 [pid 8329] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8328] close(4 [pid 8327] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8326] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8324] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8328] <... close resumed>) = 0 [pid 8327] <... futex resumed>) = 0 [pid 8326] <... futex resumed>) = 0 [pid 8324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8329] mkdir("./bus", 000 [pid 8328] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8327] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8326] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 298.977753][ T8325] overlayfs: upper fs needs to support d_type. [ 299.006163][ T8325] overlayfs: upper fs does not support tmpfile. [ 299.013051][ T8325] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8324] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8329] <... mkdir resumed>) = 0 [pid 8328] <... futex resumed>) = 1 [pid 8327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8324] <... futex resumed>) = 0 [pid 8323] <... futex resumed>) = 0 [pid 5011] <... umount2 resumed>) = 0 [pid 8323] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8323] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8329] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8328] mkdir("./file1", 000 [pid 8327] mkdir("./bus", 000 [pid 8329] <... futex resumed>) = 1 [pid 8326] <... futex resumed>) = 0 [pid 8324] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8322] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8328] <... mkdir resumed>) = 0 [pid 8329] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8327] <... mkdir resumed>) = 0 [pid 8326] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8322] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8326] <... futex resumed>) = 0 [pid 8325] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8322] <... futex resumed>) = 0 [pid 8329] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8327] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8326] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8325] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8328] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] lstat("./158/file0", [pid 8328] <... futex resumed>) = 1 [pid 8327] <... futex resumed>) = 1 [pid 8325] <... futex resumed>) = 0 [pid 8324] <... futex resumed>) = 0 [pid 8323] <... futex resumed>) = 0 [pid 8322] <... mmap resumed>) = 0x7f76a8b35000 [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8323] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8323] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8325] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8324] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8324] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8327] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8322] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5011] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8328] mkdir("./bus", 000) = 0 [pid 8322] <... mprotect resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 299.034302][ T8325] overlayfs: failed to resolve './file0': -2 [ 299.064419][ T8329] overlayfs: upper fs needs to support d_type. [ 299.076297][ T8327] overlayfs: upper fs needs to support d_type. [pid 8328] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8322] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8328] <... futex resumed>) = 1 [pid 8323] <... futex resumed>) = 0 [pid 5011] <... openat resumed>) = 4 [pid 8328] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8323] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8322] <... clone resumed>, parent_tid=[8336], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8336 [pid 5011] fstat(4, [pid 8328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8323] <... futex resumed>) = 0 [pid 8322] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8328] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8323] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8322] <... futex resumed>) = 0 [pid 5011] getdents64(4, [pid 8322] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8326] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8326] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] getdents64(4, [pid 8324] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8326] <... futex resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8324] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8324] <... futex resumed>) = 0 [pid 5011] close(4 [pid 8326] <... mmap resumed>) = 0x7f76a8b35000 [pid 8324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... close resumed>) = 0 [pid 8326] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8324] <... mmap resumed>) = 0x7f76a8b35000 [pid 5011] rmdir("./158/file0" [pid 8326] <... mprotect resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 8324] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8326] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8324] <... mprotect resumed>) = 0 [pid 8324] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] getdents64(3, [pid 8326] <... clone resumed>, parent_tid=[8337], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8337 [pid 8326] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8326] <... futex resumed>) = 0 [pid 8324] <... clone resumed>, parent_tid=[8338], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8338 [pid 8326] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] close(3 [pid 8324] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] <... close resumed>) = 0 [pid 8324] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 299.077991][ T8329] overlayfs: upper fs does not support tmpfile. [ 299.083270][ T8327] overlayfs: upper fs does not support tmpfile. [ 299.091345][ T8329] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 299.097558][ T8327] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 299.115492][ T8328] overlayfs: upper fs needs to support d_type. [ 299.122789][ T8328] overlayfs: upper fs does not support tmpfile. [pid 5011] rmdir("./158") = 0 ./strace-static-x86_64: Process 8338 attached [pid 8323] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] mkdir("./159", 0777 [pid 8327] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8338] set_robust_list(0x7f76a8b559e0, 24./strace-static-x86_64: Process 8336 attached [pid 8323] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8336] set_robust_list(0x7f76a8b559e0, 24 [pid 8338] <... set_robust_list resumed>) = 0 [pid 8336] <... set_robust_list resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 8338] mkdir(".", 0777 [pid 8323] <... futex resumed>) = 0 [pid 8327] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8338] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8327] <... futex resumed>) = 0 [pid 8323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8338] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8328] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8327] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8323] <... mmap resumed>) = 0x7f76a8b35000 [pid 8336] mkdir(".", 0777 [pid 5011] <... openat resumed>) = 3 [pid 8336] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8323] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 8337 attached [pid 8336] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8328] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 8337] set_robust_list(0x7f76a8b559e0, 24 [pid 8323] <... mprotect resumed>) = 0 [ 299.139302][ T8327] overlayfs: failed to resolve './file0': -2 [ 299.146602][ T8328] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 299.147972][ T8329] overlayfs: failed to resolve './file0': -2 [ 299.155130][ T8328] overlayfs: failed to resolve './file0': -2 [pid 8338] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8337] <... set_robust_list resumed>) = 0 [pid 8328] <... futex resumed>) = 0 [pid 8323] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8338] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8337] mkdir(".", 0777 [pid 8328] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] close(3 [pid 8338] <... futex resumed>) = 1 [pid 8337] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8324] <... futex resumed>) = 0 [pid 8323] <... clone resumed>, parent_tid=[8339], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8339 [pid 5011] <... close resumed>) = 0 [pid 8338] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8337] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8324] exit_group(0 [pid 8323] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8338] <... futex resumed>) = ? [pid 8327] <... futex resumed>) = ? [pid 8324] <... exit_group resumed>) = ? [pid 8323] <... futex resumed>) = 0 [pid 8338] +++ exited with 0 +++ [pid 8329] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8327] +++ exited with 0 +++ [pid 8324] +++ exited with 0 +++ [pid 8323] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8340 ./strace-static-x86_64: Process 8340 attached ./strace-static-x86_64: Process 8339 attached [pid 8336] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8329] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8340] set_robust_list(0x555556dec5e0, 24 [pid 8339] set_robust_list(0x7f76a8b559e0, 24 [pid 8336] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8340] <... set_robust_list resumed>) = 0 [pid 8339] <... set_robust_list resumed>) = 0 [pid 8340] chdir("./159" [pid 8339] mkdir(".", 0777 [pid 8336] <... futex resumed>) = 1 [pid 8340] <... chdir resumed>) = 0 [pid 8339] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8340] prctl(PR_SET_PDEATHSIG, SIGKILL [ 299.184633][ T8338] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 299.189984][ T8336] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 299.223933][ T8337] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8339] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8336] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8340] <... prctl resumed>) = 0 [pid 8337] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8329] <... futex resumed>) = 0 [pid 8322] <... futex resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8324, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 8337] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8329] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8322] exit_group(0 [pid 8337] <... futex resumed>) = 1 [pid 8326] <... futex resumed>) = 0 [pid 8325] <... futex resumed>) = ? [pid 8322] <... exit_group resumed>) = ? [pid 8337] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8326] exit_group(0 [pid 8325] +++ exited with 0 +++ [pid 8337] <... futex resumed>) = ? [pid 8329] <... futex resumed>) = ? [pid 8326] <... exit_group resumed>) = ? [pid 8337] +++ exited with 0 +++ [pid 8329] +++ exited with 0 +++ [pid 8326] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8326, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5009] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, [pid 5010] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8340] setpgid(0, 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8340] <... setpgid resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8339] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8336] <... futex resumed>) = ? [pid 8340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... openat resumed>) = 3 [pid 5009] lstat("./157/binderfs", [pid 5010] fstat(3, [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] unlink("./157/binderfs" [pid 5010] getdents64(3, [pid 8336] +++ exited with 0 +++ [pid 8322] +++ exited with 0 +++ [pid 5009] <... unlink resumed>) = 0 [pid 8340] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8322, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 8340] write(3, "1000", 4 [pid 8339] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8340] <... write resumed>) = 4 [pid 8339] <... futex resumed>) = 1 [pid 8340] close(3) = 0 [pid 8339] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8323] <... futex resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8340] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8323] exit_group(0 [pid 5010] lstat("./158/binderfs", [pid 8340] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8328] <... futex resumed>) = ? [pid 8323] <... exit_group resumed>) = ? [pid 8340] <... futex resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8328] +++ exited with 0 +++ [pid 8340] <... mmap resumed>) = 0x7f76b0b56000 [pid 5010] unlink("./158/binderfs" [pid 8340] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5008] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8340] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8339] <... futex resumed>) = ? [pid 5010] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8340] <... clone resumed>, parent_tid=[8341], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8341 [pid 8340] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8340] <... futex resumed>) = 0 [pid 8340] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, ./strace-static-x86_64: Process 8341 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 8341] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8341] memfd_create("syzkaller", 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8341] <... memfd_create resumed>) = 3 [pid 5008] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./157/binderfs" [pid 8341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... unlink resumed>) = 0 [pid 5008] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8341] <... mmap resumed>) = 0x7f76a8756000 [ 299.243691][ T8339] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8339] +++ exited with 0 +++ [pid 8323] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8323, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5012] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./159/binderfs") = 0 [pid 5012] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8341] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] <... umount2 resumed>) = 0 [pid 5012] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./159/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5012] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5012] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5012] close(4) = 0 [pid 5012] rmdir("./159/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3) = 0 [pid 5012] rmdir("./159") = 0 [pid 5012] mkdir("./160", 0777) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8342 [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./158/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] <... umount2 resumed>) = 0 [pid 5008] <... umount2 resumed>) = 0 [pid 5009] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] fstat(4, [pid 5009] lstat("./157/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 8342 attached [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8342] set_robust_list(0x555556dec5e0, 24 [pid 5010] getdents64(4, [pid 8342] <... set_robust_list resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8342] chdir("./160" [pid 5010] getdents64(4, [pid 5009] <... openat resumed>) = 4 [pid 5008] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] fstat(4, [pid 8342] <... chdir resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] close(4 [pid 5009] getdents64(4, [pid 8342] <... prctl resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5008] lstat("./157/file0", [pid 8342] setpgid(0, 0 [pid 5010] rmdir("./158/file0" [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8342] <... setpgid resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] getdents64(4, [pid 5008] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] getdents64(3, [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8342] <... openat resumed>) = 3 [pid 8341] <... write resumed>) = 4194304 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(4 [pid 5008] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8342] write(3, "1000", 4 [pid 8341] munmap(0x7f76a8756000, 4194304 [pid 5010] close(3 [pid 5009] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 8342] <... write resumed>) = 4 [pid 5010] <... close resumed>) = 0 [pid 5009] rmdir("./157/file0" [pid 5008] fstat(4, [pid 8342] close(3 [pid 5010] rmdir("./158" [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8342] <... close resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] getdents64(4, [pid 8342] symlink("/dev/binderfs", "./binderfs" [pid 8341] <... munmap resumed>) = 0 [pid 5010] mkdir("./159", 0777 [pid 5009] getdents64(3, [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8342] <... symlink resumed>) = 0 [pid 8341] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(4, [pid 8342] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8341] <... openat resumed>) = 4 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] close(3 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8342] <... futex resumed>) = 0 [pid 8341] ioctl(4, LOOP_SET_FD, 3 [pid 5010] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = 0 [pid 5008] close(4 [pid 8342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5008] <... close resumed>) = 0 [pid 8342] <... mmap resumed>) = 0x7f76b0b56000 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] rmdir("./157/file0" [pid 8342] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5010] close(3 [pid 5008] <... rmdir resumed>) = 0 [pid 8342] <... mprotect resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5008] getdents64(3, [pid 8342] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] rmdir("./157" [pid 5008] close(3 [pid 8342] <... clone resumed>, parent_tid=[8343], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8343 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8344 [pid 5008] <... close resumed>) = 0 [pid 8342] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] rmdir("./157" [pid 8342] <... futex resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 8342] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] mkdir("./158", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", 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 5009] <... rmdir resumed>) = 0 [pid 5009] mkdir("./158", 0777 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8345 ./strace-static-x86_64: Process 8343 attached ./strace-static-x86_64: Process 8344 attached [pid 8343] set_robust_list(0x7f76b0b769e0, 24 [pid 5009] <... mkdir resumed>) = 0 [pid 8344] set_robust_list(0x555556dec5e0, 24 [pid 8343] <... set_robust_list resumed>) = 0 [pid 8344] <... set_robust_list resumed>) = 0 [pid 8343] memfd_create("syzkaller", 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8344] chdir("./159" [pid 8343] <... memfd_create resumed>) = 3 [pid 8341] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 8345 attached [pid 8344] <... chdir resumed>) = 0 [pid 8343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8341] close(3 [pid 5009] <... openat resumed>) = 3 [pid 8345] set_robust_list(0x555556dec5e0, 24 [pid 8344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8343] <... mmap resumed>) = 0x7f76a8756000 [pid 8341] <... close resumed>) = 0 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 8345] <... set_robust_list resumed>) = 0 [pid 8344] <... prctl resumed>) = 0 [pid 8341] mkdir("./file0", 0777 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8345] chdir("./158" [pid 8344] setpgid(0, 0 [pid 8341] <... mkdir resumed>) = 0 [pid 5009] close(3 [pid 8345] <... chdir resumed>) = 0 [pid 8344] <... setpgid resumed>) = 0 [pid 8341] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5009] <... close resumed>) = 0 [pid 8345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8345] <... prctl resumed>) = 0 [pid 8344] <... openat resumed>) = 3 [pid 8344] write(3, "1000", 4 [ 299.541879][ T8341] loop3: detected capacity change from 0 to 8192 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8347 ./strace-static-x86_64: Process 8347 attached [pid 8345] setpgid(0, 0 [pid 8344] <... write resumed>) = 4 [pid 8343] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8347] set_robust_list(0x555556dec5e0, 24 [pid 8345] <... setpgid resumed>) = 0 [pid 8344] close(3 [pid 8347] <... set_robust_list resumed>) = 0 [pid 8345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8344] <... close resumed>) = 0 [pid 8347] chdir("./158" [pid 8345] <... openat resumed>) = 3 [pid 8344] symlink("/dev/binderfs", "./binderfs" [pid 8347] <... chdir resumed>) = 0 [pid 8345] write(3, "1000", 4 [pid 8347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8345] <... write resumed>) = 4 [pid 8347] <... prctl resumed>) = 0 [pid 8345] close(3 [pid 8347] setpgid(0, 0 [pid 8345] <... close resumed>) = 0 [pid 8347] <... setpgid resumed>) = 0 [pid 8345] symlink("/dev/binderfs", "./binderfs" [pid 8347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8345] <... symlink resumed>) = 0 [pid 8344] <... symlink resumed>) = 0 [pid 8347] <... openat resumed>) = 3 [pid 8345] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] write(3, "1000", 4 [pid 8345] <... futex resumed>) = 0 [pid 8347] <... write resumed>) = 4 [pid 8345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8347] close(3 [pid 8345] <... mmap resumed>) = 0x7f76b0b56000 [pid 8347] <... close resumed>) = 0 [pid 8345] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8347] symlink("/dev/binderfs", "./binderfs" [pid 8345] <... mprotect resumed>) = 0 [pid 8347] <... symlink resumed>) = 0 [pid 8345] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8344] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8345] <... clone resumed>, parent_tid=[8348], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8348 [pid 8347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8345] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... mmap resumed>) = 0x7f76b0b56000 [pid 8345] <... futex resumed>) = 0 [pid 8344] <... futex resumed>) = 0 [ 299.602937][ T8341] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 299.627404][ T8341] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 299.638069][ T8341] REISERFS (device loop3): using ordered data mode [ 299.646128][ T8341] reiserfs: using flush barriers [pid 8347] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8345] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8347] <... mprotect resumed>) = 0 [pid 8347] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8349], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8349 [pid 8347] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8347] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8344] <... mmap resumed>) = 0x7f76b0b56000 ./strace-static-x86_64: Process 8348 attached [pid 8344] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8348] set_robust_list(0x7f76b0b769e0, 24 [pid 8344] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8350], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8350 [pid 8348] <... set_robust_list resumed>) = 0 [pid 8344] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8344] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8348] memfd_create("syzkaller", 0) = 3 [pid 8348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 ./strace-static-x86_64: Process 8350 attached [pid 8350] set_robust_list(0x7f76b0b769e0, 24./strace-static-x86_64: Process 8349 attached [pid 8349] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8350] <... set_robust_list resumed>) = 0 [pid 8349] memfd_create("syzkaller", 0) = 3 [pid 8349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8350] memfd_create("syzkaller", 0) = 3 [pid 8350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 299.653822][ T8341] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8350] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 8350] munmap(0x7f76a8756000, 4194304 [pid 8343] <... write resumed>) = 4194304 [pid 8343] munmap(0x7f76a8756000, 4194304 [pid 8350] <... munmap resumed>) = 0 [pid 8350] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8350] ioctl(4, LOOP_SET_FD, 3 [pid 8343] <... munmap resumed>) = 0 [ 299.718286][ T8341] REISERFS (device loop3): checking transaction log (loop3) [ 299.736449][ T8341] REISERFS (device loop3): Using r5 hash to sort names [ 299.743650][ T8341] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8343] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8343] ioctl(4, LOOP_SET_FD, 3 [pid 8350] <... ioctl resumed>) = 0 [pid 8348] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8350] close(3 [pid 8349] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8343] <... ioctl resumed>) = 0 [pid 8350] <... close resumed>) = 0 [pid 8343] close(3) = 0 [pid 8350] mkdir("./file0", 0777 [pid 8343] mkdir("./file0", 0777 [pid 8350] <... mkdir resumed>) = 0 [pid 8343] <... mkdir resumed>) = 0 [pid 8350] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8343] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8341] <... mount resumed>) = 0 [pid 8341] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8341] chdir("./file0") = 0 [pid 8341] ioctl(4, LOOP_CLR_FD) = 0 [ 299.784659][ T8350] loop2: detected capacity change from 0 to 8192 [ 299.787443][ T8343] loop4: detected capacity change from 0 to 8192 [ 299.792431][ T8341] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8341] close(4) = 0 [pid 8341] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8340] <... futex resumed>) = 0 [pid 8349] <... write resumed>) = 4194304 [pid 8348] <... write resumed>) = 4194304 [pid 8341] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8340] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8349] munmap(0x7f76a8756000, 4194304 [pid 8348] munmap(0x7f76a8756000, 4194304 [pid 8341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8340] <... futex resumed>) = 0 [pid 8349] <... munmap resumed>) = 0 [pid 8348] <... munmap resumed>) = 0 [pid 8341] mkdir("./file1", 000 [pid 8340] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8348] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8341] <... mkdir resumed>) = 0 [pid 8348] <... openat resumed>) = 4 [ 299.856589][ T8343] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 299.875104][ T8350] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8341] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8349] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8348] ioctl(4, LOOP_SET_FD, 3 [pid 8341] <... futex resumed>) = 1 [pid 8340] <... futex resumed>) = 0 [pid 8349] <... openat resumed>) = 4 [pid 8348] <... ioctl resumed>) = 0 [pid 8349] ioctl(4, LOOP_SET_FD, 3 [pid 8348] close(3 [pid 8341] mkdir("./bus", 000 [pid 8340] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8348] <... close resumed>) = 0 [pid 8341] <... mkdir resumed>) = 0 [pid 8340] <... futex resumed>) = 0 [ 299.903581][ T8343] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 299.904291][ T8348] loop0: detected capacity change from 0 to 8192 [ 299.914964][ T8350] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 299.923851][ T8343] REISERFS (device loop4): using ordered data mode [ 299.931507][ T8349] loop1: detected capacity change from 0 to 8192 [ 299.935436][ T8343] reiserfs: using flush barriers [ 299.936757][ T8350] REISERFS (device loop2): using ordered data mode [pid 8348] mkdir("./file0", 0777 [pid 8341] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8340] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8348] <... mkdir resumed>) = 0 [pid 8341] <... futex resumed>) = 0 [pid 8340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8348] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8341] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8340] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8340] <... futex resumed>) = 0 [pid 8341] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8340] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8349] <... ioctl resumed>) = 0 [pid 8349] close(3) = 0 [ 299.953784][ T8343] 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 [ 299.966809][ T8341] overlayfs: upper fs needs to support d_type. [ 299.970690][ T8343] REISERFS (device loop4): checking transaction log (loop4) [ 299.983654][ T8350] reiserfs: using flush barriers [ 299.984015][ T8348] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8349] mkdir("./file0", 0777) = 0 [pid 8349] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8340] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8340] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8340] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8340] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8355], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8355 [pid 8340] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 299.990010][ T8341] overlayfs: upper fs does not support tmpfile. [ 300.002341][ T8350] 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 [ 300.008692][ T8341] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 300.032214][ T8343] REISERFS (device loop4): Using r5 hash to sort names [ 300.039444][ T8343] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8340] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8355 attached [ 300.043634][ T8348] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 300.054157][ T8341] overlayfs: failed to resolve './file0': -2 [ 300.061804][ T8348] REISERFS (device loop0): using ordered data mode [ 300.074343][ T8348] reiserfs: using flush barriers [ 300.076481][ T8349] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8355] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8355] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8355] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8343] <... mount resumed>) = 0 [pid 8343] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8343] chdir("./file0") = 0 [pid 8343] ioctl(4, LOOP_CLR_FD) = 0 [pid 8343] close(4) = 0 [pid 8343] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8342] <... futex resumed>) = 0 [pid 8342] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8342] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8343] <... futex resumed>) = 1 [pid 8343] mkdir("./file1", 000) = 0 [pid 8343] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8342] <... futex resumed>) = 0 [pid 8342] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8342] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8343] <... futex resumed>) = 1 [pid 8343] mkdir("./bus", 000) = 0 [pid 8343] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8342] <... futex resumed>) = 0 [pid 8342] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8342] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8343] <... futex resumed>) = 1 [ 300.081661][ T8348] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 300.095026][ T8343] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 300.109700][ T8348] REISERFS (device loop0): checking transaction log (loop0) [ 300.137024][ T8343] overlayfs: upper fs needs to support d_type. [ 300.139336][ T8355] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8343] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8342] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8342] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8342] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8342] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8356], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8356 [pid 8342] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8342] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8356 attached [pid 8356] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8356] mkdir(".", 0777) = -1 EEXIST (File exists) [ 300.149971][ T8343] overlayfs: upper fs does not support tmpfile. [ 300.157561][ T8350] REISERFS (device loop2): checking transaction log (loop2) [ 300.179079][ T8343] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 300.192894][ T8348] REISERFS (device loop0): Using r5 hash to sort names [pid 8356] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8341] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8355] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 300.201675][ T8349] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 300.207525][ T8350] REISERFS (device loop2): Using r5 hash to sort names [ 300.214092][ T8343] overlayfs: failed to resolve './file0': -2 [ 300.219807][ T8350] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 300.226611][ T8348] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 300.238943][ T8350] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8341] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8355] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8350] <... mount resumed>) = 0 [pid 8341] <... futex resumed>) = 0 [pid 8356] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8356] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8342] <... futex resumed>) = 0 [pid 8356] <... futex resumed>) = 1 [pid 8356] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8355] <... futex resumed>) = 1 [pid 8350] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8341] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8340] <... futex resumed>) = 0 [pid 8355] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8350] <... openat resumed>) = 3 [pid 8350] chdir("./file0" [pid 8343] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8340] exit_group(0 [pid 8350] <... chdir resumed>) = 0 [pid 8340] <... exit_group resumed>) = ? [pid 8355] <... futex resumed>) = ? [pid 8350] ioctl(4, LOOP_CLR_FD [pid 8341] <... futex resumed>) = ? [pid 8355] +++ exited with 0 +++ [pid 8343] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8342] exit_group(0 [pid 8356] <... futex resumed>) = ? [pid 8342] <... exit_group resumed>) = ? [pid 8356] +++ exited with 0 +++ [pid 8350] <... ioctl resumed>) = 0 [pid 8343] +++ exited with 0 +++ [pid 8342] +++ exited with 0 +++ [pid 8341] +++ exited with 0 +++ [pid 8340] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8342, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [ 300.252121][ T8356] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 300.259250][ T8349] REISERFS (device loop1): using ordered data mode [ 300.273639][ T8348] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 300.278713][ T8349] reiserfs: using flush barriers [pid 5012] restart_syscall(<... resuming interrupted clone ...> [pid 8350] close(4 [pid 5012] <... restart_syscall resumed>) = 0 [pid 8350] <... close resumed>) = 0 [pid 8348] <... mount resumed>) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8340, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 8350] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8350] <... futex resumed>) = 1 [pid 8344] <... futex resumed>) = 0 [pid 5012] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8350] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8344] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8344] <... futex resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... openat resumed>) = 3 [pid 8350] mkdir("./file1", 000 [pid 8348] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8344] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... openat resumed>) = 3 [pid 5011] fstat(3, [pid 8350] <... mkdir resumed>) = 0 [pid 8348] <... openat resumed>) = 3 [pid 5012] fstat(3, [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8350] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8348] chdir("./file0" [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, [pid 8350] <... futex resumed>) = 1 [pid 8348] <... chdir resumed>) = 0 [pid 8344] <... futex resumed>) = 0 [pid 5012] getdents64(3, [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8350] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8348] ioctl(4, LOOP_CLR_FD [pid 8344] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8348] <... ioctl resumed>) = 0 [pid 8344] <... futex resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8350] mkdir("./bus", 000 [pid 8348] close(4 [pid 8344] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] lstat("./159/binderfs", [pid 8350] <... mkdir resumed>) = 0 [pid 8348] <... close resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8350] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8348] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] unlink("./159/binderfs" [pid 8350] <... futex resumed>) = 1 [pid 8348] <... futex resumed>) = 1 [pid 8345] <... futex resumed>) = 0 [pid 8344] <... futex resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... unlink resumed>) = 0 [pid 8350] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8348] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8345] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8344] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] lstat("./160/binderfs", [pid 5011] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8345] <... futex resumed>) = 0 [pid 8344] <... futex resumed>) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8350] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8348] mkdir("./file1", 000 [pid 8345] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8344] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] unlink("./160/binderfs" [pid 8348] <... mkdir resumed>) = 0 [pid 8348] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... unlink resumed>) = 0 [pid 8348] <... futex resumed>) = 1 [pid 8345] <... futex resumed>) = 0 [pid 5012] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8348] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8345] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8348] mkdir("./bus", 000 [pid 8345] <... futex resumed>) = 0 [pid 8348] <... mkdir resumed>) = 0 [pid 8345] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8348] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8348] <... futex resumed>) = 0 [pid 8345] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 300.298828][ T8349] 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 [ 300.316479][ T8349] REISERFS (device loop1): checking transaction log (loop1) [pid 8348] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8345] <... futex resumed>) = 0 [pid 8345] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8344] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8344] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8344] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [ 300.356592][ T8350] overlayfs: upper fs needs to support d_type. [ 300.362881][ T8350] overlayfs: upper fs does not support tmpfile. [ 300.370034][ T8348] overlayfs: upper fs needs to support d_type. [ 300.376781][ T8349] REISERFS (device loop1): Using r5 hash to sort names [ 300.383925][ T8349] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8344] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8357], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8357 [pid 8344] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8344] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8357 attached [pid 8357] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8357] mkdir(".", 0777) = -1 EEXIST (File exists) [ 300.402289][ T8348] overlayfs: upper fs does not support tmpfile. [pid 8357] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8345] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8345] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8345] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8345] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8358], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8358 [pid 8345] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 300.434468][ T8357] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 300.450384][ T8348] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 300.459685][ T8349] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8345] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8358 attached [pid 8358] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8358] mkdir(".", 0777 [pid 8357] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8357] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8344] <... futex resumed>) = 0 [pid 8358] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8358] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8357] <... futex resumed>) = 1 [ 300.487352][ T8348] overlayfs: failed to resolve './file0': -2 [ 300.506529][ T8350] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 300.514990][ T8350] overlayfs: failed to resolve './file0': -2 [pid 8357] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8349] <... mount resumed>) = 0 [pid 8349] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8349] chdir("./file0") = 0 [pid 8349] ioctl(4, LOOP_CLR_FD) = 0 [pid 8349] close(4 [pid 5012] <... umount2 resumed>) = 0 [pid 8349] <... close resumed>) = 0 [pid 8349] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8348] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8349] <... futex resumed>) = 1 [pid 8348] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8349] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8348] <... futex resumed>) = 0 [pid 8348] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8347] <... futex resumed>) = 0 [pid 8347] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8350] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8349] <... futex resumed>) = 0 [pid 8347] <... futex resumed>) = 1 [pid 8350] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8349] mkdir("./file1", 000 [pid 8350] <... futex resumed>) = 0 [pid 8349] <... mkdir resumed>) = 0 [pid 8347] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = 0 [pid 8350] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8349] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8344] exit_group(0 [pid 8357] <... futex resumed>) = ? [pid 8350] <... futex resumed>) = ? [pid 8349] <... futex resumed>) = 0 [pid 8344] <... exit_group resumed>) = ? [pid 5012] lstat("./160/file0", [pid 8357] +++ exited with 0 +++ [pid 8350] +++ exited with 0 +++ [pid 8349] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8347] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8344] +++ exited with 0 +++ [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8347] <... futex resumed>) = 0 [pid 5012] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8349] mkdir("./bus", 000 [pid 8347] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8344, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 8349] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 8349] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... openat resumed>) = 4 [pid 5011] lstat("./159/file0", [pid 5010] <... restart_syscall resumed>) = 0 [pid 8349] <... futex resumed>) = 1 [pid 8347] <... futex resumed>) = 0 [pid 5012] fstat(4, [pid 5011] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8349] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8347] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8347] <... futex resumed>) = 0 [pid 5012] getdents64(4, [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8349] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8347] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [ 300.532016][ T8358] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5011] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8358] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5012] getdents64(4, [pid 8358] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8358] <... futex resumed>) = 1 [pid 8345] <... futex resumed>) = 0 [pid 5012] close(4 [pid 8358] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8345] exit_group(0 [pid 5012] <... close resumed>) = 0 [pid 8358] <... futex resumed>) = ? [pid 8345] <... exit_group resumed>) = ? [pid 5012] rmdir("./160/file0" [pid 8358] +++ exited with 0 +++ [pid 5012] <... rmdir resumed>) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3 [pid 5010] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8348] <... futex resumed>) = ? [pid 5012] <... close resumed>) = 0 [pid 5012] rmdir("./160") = 0 [pid 5012] mkdir("./161", 0777 [pid 8348] +++ exited with 0 +++ [pid 8345] +++ exited with 0 +++ [pid 5012] <... mkdir resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5010] fstat(3, [pid 5012] ioctl(3, LOOP_CLR_FD [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8345, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5012] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] close(3) = 0 [pid 5011] <... openat resumed>) = 4 [pid 5010] getdents64(3, [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] fstat(4, [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8359 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] getdents64(4, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] lstat("./159/binderfs", ./strace-static-x86_64: Process 8359 attached [pid 8359] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8359] chdir("./161") = 0 [pid 8359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8359] setpgid(0, 0) = 0 [pid 8359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8359] <... openat resumed>) = 3 [pid 5011] getdents64(4, [pid 5010] unlink("./159/binderfs" [pid 5008] <... openat resumed>) = 3 [pid 8359] write(3, "1000", 4 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8359] <... write resumed>) = 4 [pid 5010] <... unlink resumed>) = 0 [pid 5008] fstat(3, [pid 8359] close(3 [pid 5011] close(4 [pid 5010] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... close resumed>) = 0 [pid 8359] <... close resumed>) = 0 [pid 5011] rmdir("./159/file0" [pid 5008] getdents64(3, [pid 8359] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8359] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 5011] <... rmdir resumed>) = 0 [pid 8359] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5011] getdents64(3, [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8359] <... mprotect resumed>) = 0 [pid 5008] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8359] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8347] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8359] <... clone resumed>, parent_tid=[8360], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8360 [pid 8347] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8359] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... futex resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5008] lstat("./158/binderfs", [pid 8359] <... futex resumed>) = 0 [pid 8347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] rmdir("./159" [pid 8359] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8347] <... mmap resumed>) = 0x7f76a8b35000 ./strace-static-x86_64: Process 8360 attached [pid 5011] <... rmdir resumed>) = 0 [pid 8347] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5008] unlink("./158/binderfs" [pid 8347] <... mprotect resumed>) = 0 [pid 8347] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] mkdir("./160", 0777 [pid 5008] <... unlink resumed>) = 0 [pid 8360] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 8347] <... clone resumed>, parent_tid=[8361], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8361 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5008] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8347] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8360] memfd_create("syzkaller", 0 [pid 8347] <... futex resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 8360] <... memfd_create resumed>) = 3 [pid 8360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8347] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 300.595040][ T8349] overlayfs: upper fs needs to support d_type. [ 300.616045][ T8349] overlayfs: upper fs does not support tmpfile. [ 300.630767][ T8349] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8362 ./strace-static-x86_64: Process 8361 attached [pid 8361] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8361] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8361] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 8362 attached [pid 8362] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8362] chdir("./160") = 0 [pid 8362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8362] setpgid(0, 0) = 0 [pid 8362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8362] write(3, "1000", 4) = 4 [pid 8362] close(3) = 0 [ 300.671876][ T8349] overlayfs: failed to resolve './file0': -2 [pid 8362] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8362] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8362] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8362] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8363], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8363 [pid 8362] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 300.709460][ T8361] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8362] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8361] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8360] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 8363 attached [pid 8361] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8363] set_robust_list(0x7f76b0b769e0, 24 [pid 8361] <... futex resumed>) = 1 [pid 8349] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8347] <... futex resumed>) = 0 [pid 8363] <... set_robust_list resumed>) = 0 [pid 8361] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8349] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] exit_group(0 [pid 8363] memfd_create("syzkaller", 0 [pid 8361] <... futex resumed>) = ? [pid 8349] <... futex resumed>) = ? [pid 8347] <... exit_group resumed>) = ? [pid 8363] <... memfd_create resumed>) = 3 [pid 8349] +++ exited with 0 +++ [pid 8363] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8361] +++ exited with 0 +++ [pid 8347] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8347, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5009] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./158/binderfs") = 0 [pid 5010] <... umount2 resumed>) = 0 [pid 5009] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = 0 [pid 5010] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./159/file0", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./158/file0", [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... openat resumed>) = 4 [pid 5008] <... openat resumed>) = 4 [pid 5010] fstat(4, [pid 5008] fstat(4, [pid 5010] <... 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 5010] getdents64(4, [pid 5008] getdents64(4, [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(4, [pid 5010] close(4 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] <... close resumed>) = 0 [pid 5008] close(4 [pid 5010] rmdir("./159/file0" [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./158/file0" [pid 5010] <... rmdir resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5010] getdents64(3, [pid 5008] getdents64(3, [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3 [pid 5008] close(3 [pid 5010] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5010] rmdir("./159" [pid 5008] rmdir("./158" [pid 5010] <... rmdir resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5010] mkdir("./160", 0777 [pid 5008] mkdir("./159", 0777 [pid 5010] <... mkdir resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5008] <... openat resumed>) = 3 [pid 5010] <... openat resumed>) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5008] close(3 [pid 5010] close(3 [pid 5008] <... close resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8363] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 resumed>, child_tidptr=0x555556dec5d0) = 8364 [pid 5010] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8365 ./strace-static-x86_64: Process 8365 attached [pid 8365] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8365] chdir("./160"./strace-static-x86_64: Process 8364 attached ) = 0 [pid 8360] <... write resumed>) = 4194304 [pid 8365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8360] munmap(0x7f76a8756000, 4194304 [pid 8365] setpgid(0, 0 [pid 8364] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8365] <... setpgid resumed>) = 0 [pid 8364] chdir("./159" [pid 8360] <... munmap resumed>) = 0 [pid 8365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8364] <... chdir resumed>) = 0 [pid 8360] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8365] <... openat resumed>) = 3 [pid 8364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8360] <... openat resumed>) = 4 [pid 8365] write(3, "1000", 4 [pid 8364] <... prctl resumed>) = 0 [pid 8360] ioctl(4, LOOP_SET_FD, 3 [pid 8365] <... write resumed>) = 4 [pid 8364] setpgid(0, 0) = 0 [pid 8364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8364] write(3, "1000", 4) = 4 [pid 8364] close(3) = 0 [pid 8364] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8365] close(3 [pid 8364] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8360] <... ioctl resumed>) = 0 [pid 8365] <... close resumed>) = 0 [pid 8364] <... futex resumed>) = 0 [pid 8360] close(3 [pid 8364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8364] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8364] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8365] symlink("/dev/binderfs", "./binderfs" [pid 8364] <... clone resumed>, parent_tid=[8366], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8366 [pid 8360] <... close resumed>) = 0 [pid 8365] <... symlink resumed>) = 0 [pid 8364] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8360] mkdir("./file0", 0777 [pid 8365] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8364] <... futex resumed>) = 0 [pid 8365] <... futex resumed>) = 0 [pid 8364] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8360] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 8366 attached [pid 8366] set_robust_list(0x7f76b0b769e0, 24 [pid 8365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8360] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8366] <... set_robust_list resumed>) = 0 [pid 8365] <... mmap resumed>) = 0x7f76b0b56000 [pid 8366] memfd_create("syzkaller", 0 [pid 8365] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8366] <... memfd_create resumed>) = 3 [pid 8365] <... mprotect resumed>) = 0 [pid 8366] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8365] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8366] <... mmap resumed>) = 0x7f76a8756000 [ 300.905111][ T8360] loop4: detected capacity change from 0 to 8192 [pid 8365] <... clone resumed>, parent_tid=[8368], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8368 [pid 8365] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8368 attached [pid 8365] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8368] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8368] memfd_create("syzkaller", 0) = 3 [pid 8368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 5009] <... umount2 resumed>) = 0 [pid 5009] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 300.955830][ T8360] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 300.973411][ T8360] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 300.983690][ T8360] REISERFS (device loop4): using ordered data mode [pid 5009] lstat("./158/file0", [pid 8368] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] close(4) = 0 [pid 5009] rmdir("./158/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./158") = 0 [pid 5009] mkdir("./159", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 301.010474][ T8360] reiserfs: using flush barriers [ 301.017424][ T8360] 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 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8366] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8369 ./strace-static-x86_64: Process 8369 attached [pid 8368] <... write resumed>) = 4194304 [pid 8369] set_robust_list(0x555556dec5e0, 24 [pid 8368] munmap(0x7f76a8756000, 4194304 [pid 8369] <... set_robust_list resumed>) = 0 [pid 8363] <... write resumed>) = 4194304 [pid 8369] chdir("./159") = 0 [pid 8368] <... munmap resumed>) = 0 [pid 8369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8368] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8369] <... prctl resumed>) = 0 [pid 8369] setpgid(0, 0 [pid 8368] <... openat resumed>) = 4 [pid 8369] <... setpgid resumed>) = 0 [pid 8368] ioctl(4, LOOP_SET_FD, 3 [ 301.055687][ T8360] REISERFS (device loop4): checking transaction log (loop4) [ 301.072091][ T8360] REISERFS (device loop4): Using r5 hash to sort names [ 301.086882][ T8360] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8363] munmap(0x7f76a8756000, 4194304 [pid 8369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8368] <... ioctl resumed>) = 0 [pid 8363] <... munmap resumed>) = 0 [pid 8369] <... openat resumed>) = 3 [pid 8368] close(3 [pid 8360] <... mount resumed>) = 0 [pid 8369] write(3, "1000", 4 [pid 8368] <... close resumed>) = 0 [pid 8360] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8369] <... write resumed>) = 4 [pid 8368] mkdir("./file0", 0777 [pid 8360] <... openat resumed>) = 3 [pid 8369] close(3 [pid 8363] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8369] <... close resumed>) = 0 [pid 8368] <... mkdir resumed>) = 0 [pid 8363] <... openat resumed>) = 4 [pid 8360] chdir("./file0" [pid 8369] symlink("/dev/binderfs", "./binderfs" [pid 8368] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8363] ioctl(4, LOOP_SET_FD, 3 [pid 8360] <... chdir resumed>) = 0 [pid 8369] <... symlink resumed>) = 0 [pid 8360] ioctl(4, LOOP_CLR_FD [pid 8369] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8360] <... ioctl resumed>) = 0 [pid 8369] <... futex resumed>) = 0 [ 301.115739][ T8368] loop2: detected capacity change from 0 to 8192 [ 301.122519][ T8360] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 301.141566][ T8363] loop3: detected capacity change from 0 to 8192 [ 301.152405][ T8368] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8360] close(4 [pid 8369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8366] <... write resumed>) = 4194304 [pid 8363] <... ioctl resumed>) = 0 [pid 8360] <... close resumed>) = 0 [pid 8366] munmap(0x7f76a8756000, 4194304 [pid 8363] close(3 [pid 8360] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8366] <... munmap resumed>) = 0 [pid 8363] <... close resumed>) = 0 [pid 8360] <... futex resumed>) = 1 [pid 8366] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8363] mkdir("./file0", 0777 [pid 8360] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8366] <... openat resumed>) = 4 [pid 8363] <... mkdir resumed>) = 0 [pid 8366] ioctl(4, LOOP_SET_FD, 3 [pid 8363] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8369] <... mmap resumed>) = 0x7f76b0b56000 [pid 8359] <... futex resumed>) = 0 [pid 8369] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8359] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8366] <... ioctl resumed>) = 0 [pid 8366] close(3 [pid 8369] <... mprotect resumed>) = 0 [pid 8360] <... futex resumed>) = 0 [pid 8359] <... futex resumed>) = 1 [pid 8366] <... close resumed>) = 0 [pid 8366] mkdir("./file0", 0777 [pid 8369] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8360] mkdir("./file1", 000 [pid 8359] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8366] <... mkdir resumed>) = 0 [pid 8360] <... mkdir resumed>) = 0 [pid 8369] <... clone resumed>, parent_tid=[8372], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8372 [pid 8360] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8369] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8360] <... futex resumed>) = 1 [pid 8359] <... futex resumed>) = 0 [pid 8369] <... futex resumed>) = 0 [pid 8360] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8359] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8369] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8359] <... futex resumed>) = 0 [pid 8360] mkdir("./bus", 000 [pid 8359] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8372 attached [pid 8366] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8360] <... mkdir resumed>) = 0 [pid 8360] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8359] <... futex resumed>) = 0 [pid 8360] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8359] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8360] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8359] <... futex resumed>) = 0 [pid 8372] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8372] memfd_create("syzkaller", 0) = 3 [pid 8372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 301.169182][ T8366] loop0: detected capacity change from 0 to 8192 [ 301.186447][ T8360] overlayfs: upper fs needs to support d_type. [ 301.192728][ T8360] overlayfs: upper fs does not support tmpfile. [pid 8359] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8372] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8359] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8359] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8359] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8359] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8374], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8374 [pid 8359] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 301.206979][ T8363] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 301.225617][ T8366] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 301.243782][ T8368] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 301.255369][ T8363] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 8359] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8374 attached [pid 8374] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8374] mkdir(".", 0777 [pid 8372] <... write resumed>) = 4194304 [pid 8374] <... mkdir resumed>) = -1 EEXIST (File exists) [ 301.265156][ T8363] REISERFS (device loop3): using ordered data mode [ 301.272288][ T8363] reiserfs: using flush barriers [ 301.275866][ T8360] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 301.279649][ T8363] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 301.297531][ T8366] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 301.301369][ T8363] REISERFS (device loop3): checking transaction log (loop3) [pid 8374] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8372] munmap(0x7f76a8756000, 4194304) = 0 [pid 8374] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8374] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8359] <... futex resumed>) = 0 [ 301.314749][ T8360] overlayfs: failed to resolve './file0': -2 [ 301.317463][ T8368] REISERFS (device loop2): using ordered data mode [ 301.330233][ T8368] reiserfs: using flush barriers [ 301.330776][ T8374] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 301.336870][ T8366] REISERFS (device loop0): using ordered data mode [ 301.355139][ T8363] REISERFS (device loop3): Using r5 hash to sort names [pid 8374] <... futex resumed>) = 1 [pid 8374] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8372] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8360] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8360] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8360] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8359] exit_group(0 [pid 8360] <... futex resumed>) = ? [pid 8359] <... exit_group resumed>) = ? [pid 8374] <... futex resumed>) = ? [pid 8360] +++ exited with 0 +++ [pid 8374] +++ exited with 0 +++ [pid 8359] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8359, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 8372] <... openat resumed>) = 4 [pid 5012] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8372] ioctl(4, LOOP_SET_FD, 3 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./161/binderfs") = 0 [ 301.364656][ T8368] 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 [ 301.376688][ T8366] reiserfs: using flush barriers [ 301.381215][ T8363] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 301.399228][ T8368] REISERFS (device loop2): checking transaction log (loop2) [ 301.407798][ T8368] REISERFS (device loop2): Using r5 hash to sort names [pid 5012] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8363] <... mount resumed>) = 0 [pid 8372] <... ioctl resumed>) = 0 [pid 8372] close(3) = 0 [pid 8372] mkdir("./file0", 0777) = 0 [pid 8372] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8368] <... mount resumed>) = 0 [ 301.414949][ T8368] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 301.422159][ T8363] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 301.428244][ T8372] loop1: detected capacity change from 0 to 8192 [ 301.439172][ T8368] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 301.446419][ T8366] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8363] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8363] chdir("./file0" [pid 8368] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8363] <... chdir resumed>) = 0 [pid 8368] <... openat resumed>) = 3 [ 301.469882][ T8366] REISERFS (device loop0): checking transaction log (loop0) [ 301.470512][ T8372] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 301.491563][ T8366] REISERFS (device loop0): Using r5 hash to sort names [ 301.498269][ T8372] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 301.499570][ T8366] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8363] ioctl(4, LOOP_CLR_FD [pid 8368] chdir("./file0" [pid 8363] <... ioctl resumed>) = 0 [pid 8368] <... chdir resumed>) = 0 [pid 8366] <... mount resumed>) = 0 [pid 8363] close(4 [pid 8366] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8368] ioctl(4, LOOP_CLR_FD [pid 8363] <... close resumed>) = 0 [pid 8366] <... openat resumed>) = 3 [pid 8366] chdir("./file0") = 0 [pid 8366] ioctl(4, LOOP_CLR_FD) = 0 [pid 8366] close(4) = 0 [pid 8366] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8364] <... futex resumed>) = 0 [pid 8364] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8364] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8366] <... futex resumed>) = 1 [pid 8366] mkdir("./file1", 000) = 0 [pid 8366] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8364] <... futex resumed>) = 0 [pid 8364] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8364] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8366] <... futex resumed>) = 1 [pid 8368] <... ioctl resumed>) = 0 [pid 8363] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8368] close(4 [pid 8366] mkdir("./bus", 000) = 0 [pid 8366] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8364] <... futex resumed>) = 0 [pid 8364] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8364] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8366] <... futex resumed>) = 1 [pid 8366] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8368] <... close resumed>) = 0 [pid 8363] <... futex resumed>) = 1 [pid 8362] <... futex resumed>) = 0 [pid 8368] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8363] mkdir("./file1", 000 [pid 8362] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8368] <... futex resumed>) = 1 [pid 8365] <... futex resumed>) = 0 [pid 8363] <... mkdir resumed>) = 0 [pid 8362] <... futex resumed>) = 0 [pid 8368] mkdir("./file1", 000 [pid 8365] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8363] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8362] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8368] <... mkdir resumed>) = 0 [pid 8365] <... futex resumed>) = 0 [pid 8363] <... futex resumed>) = 0 [pid 8362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8368] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8365] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8363] mkdir("./bus", 000 [pid 8362] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8368] <... futex resumed>) = 0 [pid 8365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8363] <... mkdir resumed>) = 0 [pid 8362] <... futex resumed>) = 0 [pid 8368] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8365] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8363] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8362] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8365] <... futex resumed>) = 0 [pid 8363] <... futex resumed>) = 0 [pid 8362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8368] mkdir("./bus", 000 [pid 8365] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8363] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8362] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8368] <... mkdir resumed>) = 0 [pid 8363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8362] <... futex resumed>) = 0 [pid 8368] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 301.521127][ T8366] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 301.539180][ T8372] REISERFS (device loop1): using ordered data mode [ 301.555774][ T8372] reiserfs: using flush barriers [ 301.558620][ T8363] overlayfs: upper fs needs to support d_type. [pid 8363] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8362] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8368] <... futex resumed>) = 1 [pid 8365] <... futex resumed>) = 0 [pid 8368] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8365] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8365] <... futex resumed>) = 0 [pid 8368] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8365] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8364] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] <... umount2 resumed>) = 0 [pid 8364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8364] <... mmap resumed>) = 0x7f76a8b35000 [pid 8364] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8364] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8364] <... clone resumed>, parent_tid=[8376], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8376 [pid 8364] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 301.563047][ T8366] overlayfs: upper fs needs to support d_type. [ 301.571197][ T8368] overlayfs: upper fs needs to support d_type. [ 301.580092][ T8366] overlayfs: upper fs does not support tmpfile. [ 301.597957][ T8368] overlayfs: upper fs does not support tmpfile. [ 301.598454][ T8363] overlayfs: upper fs does not support tmpfile. [ 301.611494][ T8363] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8364] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8376 attached [pid 8365] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8362] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] lstat("./161/file0", [pid 8365] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8362] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8365] <... futex resumed>) = 0 [pid 8362] <... futex resumed>) = 0 [pid 8376] set_robust_list(0x7f76a8b559e0, 24 [pid 8365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8376] <... set_robust_list resumed>) = 0 [pid 8365] <... mmap resumed>) = 0x7f76a8b35000 [pid 8362] <... mmap resumed>) = 0x7f76a8b35000 [pid 5012] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8376] mkdir(".", 0777 [pid 8365] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8362] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8376] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8365] <... mprotect resumed>) = 0 [pid 8362] <... mprotect resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 301.616107][ T8372] 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 [ 301.620834][ T8363] overlayfs: failed to resolve './file0': -2 [ 301.644588][ T8366] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 301.663367][ T8368] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8376] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8365] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8362] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... openat resumed>) = 4 [pid 8365] <... clone resumed>, parent_tid=[8377], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8377 [pid 8362] <... clone resumed>, parent_tid=[8378], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8378 [pid 5012] fstat(4, [pid 8365] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8362] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8365] <... futex resumed>) = 0 [pid 8362] <... futex resumed>) = 0 [pid 8365] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8362] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 8377 attached [pid 8377] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8377] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 8377] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] getdents64(4, [pid 8363] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8363] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] getdents64(4, [pid 8363] <... futex resumed>) = 0 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8363] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] close(4) = 0 [pid 5012] rmdir("./161/file0") = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5012] close(3./strace-static-x86_64: Process 8378 attached ) = 0 [pid 8378] set_robust_list(0x7f76a8b559e0, 24 [pid 5012] rmdir("./161") = 0 [pid 8378] <... set_robust_list resumed>) = 0 [pid 5012] mkdir("./162", 0777 [pid 8378] mkdir(".", 0777 [pid 5012] <... mkdir resumed>) = 0 [pid 8378] <... mkdir resumed>) = -1 EEXIST (File exists) [ 301.664522][ T8376] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 301.679597][ T8368] overlayfs: failed to resolve './file0': -2 [ 301.700798][ T8377] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8378] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5012] <... openat resumed>) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3 [pid 8368] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8368] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8368] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8377] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8377] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8365] <... futex resumed>) = 0 [pid 8365] exit_group(0) = ? [pid 8368] <... futex resumed>) = ? [pid 8368] +++ exited with 0 +++ [pid 8377] <... futex resumed>) = ? [pid 5012] <... close resumed>) = 0 [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8379 [pid 8377] +++ exited with 0 +++ [pid 8365] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8365, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5010] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5010] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./160/binderfs", ./strace-static-x86_64: Process 8379 attached [ 301.717459][ T8372] REISERFS (device loop1): checking transaction log (loop1) [ 301.732247][ T8378] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 301.747064][ T8372] REISERFS (device loop1): Using r5 hash to sort names {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8379] set_robust_list(0x555556dec5e0, 24 [pid 5010] unlink("./160/binderfs" [pid 8379] <... set_robust_list resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 8379] chdir("./162" [pid 5010] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8379] <... chdir resumed>) = 0 [pid 8376] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8376] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8378] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8379] <... prctl resumed>) = 0 [pid 8376] <... futex resumed>) = 1 [pid 8364] <... futex resumed>) = 0 [pid 8379] setpgid(0, 0 [pid 8378] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8376] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8379] <... setpgid resumed>) = 0 [pid 8379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8378] <... futex resumed>) = 1 [pid 8362] <... futex resumed>) = 0 [pid 8379] <... openat resumed>) = 3 [pid 8378] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8362] exit_group(0 [pid 8379] write(3, "1000", 4 [pid 8378] <... futex resumed>) = ? [pid 8363] <... futex resumed>) = ? [pid 8362] <... exit_group resumed>) = ? [pid 8379] <... write resumed>) = 4 [pid 8378] +++ exited with 0 +++ [pid 8363] +++ exited with 0 +++ [pid 8362] +++ exited with 0 +++ [pid 8379] close(3) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8362, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 8379] symlink("/dev/binderfs", "./binderfs" [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 8379] <... symlink resumed>) = 0 [pid 5011] <... restart_syscall resumed>) = 0 [pid 8379] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8379] <... mmap resumed>) = 0x7f76b0b56000 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 301.769697][ T8372] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 301.788005][ T8366] overlayfs: failed to resolve './file0': -2 [pid 8379] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8366] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5011] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8379] <... mprotect resumed>) = 0 [pid 8366] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8364] exit_group(0 [pid 5011] <... openat resumed>) = 3 [pid 5010] <... umount2 resumed>) = 0 [pid 8379] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8376] <... futex resumed>) = ? [pid 8366] <... futex resumed>) = ? [pid 8364] <... exit_group resumed>) = ? [pid 5011] fstat(3, [pid 8376] +++ exited with 0 +++ [pid 8366] +++ exited with 0 +++ [pid 8364] +++ exited with 0 +++ [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8380 attached [pid 8379] <... clone resumed>, parent_tid=[8380], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8380 [pid 5011] getdents64(3, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8380] set_robust_list(0x7f76b0b769e0, 24 [pid 8379] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] lstat("./160/file0", [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8364, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 8380] <... set_robust_list resumed>) = 0 [pid 8379] <... futex resumed>) = 0 [pid 5011] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8380] memfd_create("syzkaller", 0 [pid 8379] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./160/binderfs", [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8380] <... memfd_create resumed>) = 3 [pid 5008] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... openat resumed>) = 3 [pid 8380] <... mmap resumed>) = 0x7f76a8756000 [pid 5011] unlink("./160/binderfs" [pid 5010] <... openat resumed>) = 4 [pid 5008] fstat(3, [pid 5011] <... unlink resumed>) = 0 [pid 5010] fstat(4, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 5010] getdents64(4, [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(4, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] lstat("./159/binderfs", [pid 5010] close(4 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... close resumed>) = 0 [pid 5008] unlink("./159/binderfs" [pid 5010] rmdir("./160/file0" [pid 5008] <... unlink resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5008] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./160") = 0 [pid 5010] mkdir("./161", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8381 [ 301.847311][ T8372] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8372] <... mount resumed>) = 0 [pid 8372] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 8381 attached ) = 3 [pid 8381] set_robust_list(0x555556dec5e0, 24 [pid 8372] chdir("./file0" [pid 8381] <... set_robust_list resumed>) = 0 [pid 8372] <... chdir resumed>) = 0 [pid 8381] chdir("./161" [pid 8372] ioctl(4, LOOP_CLR_FD) = 0 [pid 8381] <... chdir resumed>) = 0 [pid 8381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8372] close(4 [pid 8381] <... prctl resumed>) = 0 [pid 8380] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8372] <... close resumed>) = 0 [pid 8381] setpgid(0, 0 [pid 8372] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] <... setpgid resumed>) = 0 [pid 8372] <... futex resumed>) = 1 [pid 8369] <... futex resumed>) = 0 [pid 8372] mkdir("./file1", 000 [pid 8369] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8369] <... futex resumed>) = 0 [pid 8381] <... openat resumed>) = 3 [pid 8372] <... mkdir resumed>) = 0 [pid 8369] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8381] write(3, "1000", 4 [pid 8372] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] <... write resumed>) = 4 [pid 8372] <... futex resumed>) = 1 [pid 8369] <... futex resumed>) = 0 [pid 8381] close(3 [pid 8372] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8369] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8369] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8381] <... close resumed>) = 0 [pid 8372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8381] symlink("/dev/binderfs", "./binderfs" [pid 8372] mkdir("./bus", 000 [pid 8381] <... symlink resumed>) = 0 [pid 8372] <... mkdir resumed>) = 0 [pid 8381] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8372] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] <... futex resumed>) = 0 [pid 8372] <... futex resumed>) = 1 [pid 8369] <... futex resumed>) = 0 [pid 8381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8372] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8369] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] <... mmap resumed>) = 0x7f76b0b56000 [pid 8372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8369] <... futex resumed>) = 0 [pid 8381] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8372] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8369] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8381] <... mprotect resumed>) = 0 [pid 8381] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8382], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8382 [pid 8381] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8381] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8382 attached [pid 8382] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8382] memfd_create("syzkaller", 0) = 3 [pid 8382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8369] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 301.959683][ T8372] overlayfs: upper fs needs to support d_type. [ 301.997247][ T8372] overlayfs: upper fs does not support tmpfile. [pid 8369] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8369] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8369] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8383], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8383 [pid 8369] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8369] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... umount2 resumed>) = 0 [pid 5011] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./160/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 ./strace-static-x86_64: Process 8383 attached [pid 8383] set_robust_list(0x7f76a8b559e0, 24 [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, [pid 8383] <... set_robust_list resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8383] mkdir(".", 0777 [pid 5011] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5011] close(4 [pid 8383] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5011] <... close resumed>) = 0 [pid 5011] rmdir("./160/file0" [pid 8383] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5011] <... rmdir resumed>) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [ 302.016405][ T8372] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 302.024904][ T8372] overlayfs: failed to resolve './file0': -2 [pid 5011] close(3) = 0 [pid 5011] rmdir("./160") = 0 [pid 5011] mkdir("./161", 0777) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5011] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5011] close(3) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8384 [pid 5008] <... umount2 resumed>) = 0 [pid 5008] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./159/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8384 attached [pid 8384] set_robust_list(0x555556dec5e0, 24 [pid 5008] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8384] <... set_robust_list resumed>) = 0 [pid 8384] chdir("./161" [pid 5008] <... openat resumed>) = 4 [pid 8384] <... chdir resumed>) = 0 [pid 8384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] fstat(4, [pid 8384] <... prctl resumed>) = 0 [pid 8384] setpgid(0, 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8384] <... setpgid resumed>) = 0 [pid 5008] getdents64(4, [pid 8384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8384] <... openat resumed>) = 3 [pid 5008] getdents64(4, [pid 8384] write(3, "1000", 4 [pid 8382] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5008] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8384] <... write resumed>) = 4 [pid 5008] close(4 [pid 8384] close(3 [pid 5008] <... close resumed>) = 0 [pid 8384] <... close resumed>) = 0 [pid 5008] rmdir("./159/file0" [pid 8384] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... rmdir resumed>) = 0 [pid 8384] <... symlink resumed>) = 0 [pid 5008] getdents64(3, [pid 8384] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8384] <... futex resumed>) = 0 [pid 5008] close(3 [pid 8384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... close resumed>) = 0 [pid 8384] <... mmap resumed>) = 0x7f76b0b56000 [pid 5008] rmdir("./159" [pid 8384] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5008] <... rmdir resumed>) = 0 [pid 8384] <... mprotect resumed>) = 0 [pid 5008] mkdir("./160", 0777 [pid 8384] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8384] <... clone resumed>, parent_tid=[8385], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8385 [pid 5008] <... openat resumed>) = 3 [pid 8384] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] ioctl(3, LOOP_CLR_FD [pid 8384] <... futex resumed>) = 0 [pid 5008] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8384] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] close(3) = 0 [pid 8372] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8372] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8386 [pid 8372] <... futex resumed>) = 0 [pid 8372] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8385 attached [pid 8385] set_robust_list(0x7f76b0b769e0, 24 [pid 8383] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 302.095723][ T8383] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" ./strace-static-x86_64: Process 8386 attached [pid 8385] <... set_robust_list resumed>) = 0 [pid 8383] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8380] <... write resumed>) = 4194304 [pid 8386] set_robust_list(0x555556dec5e0, 24 [pid 8385] memfd_create("syzkaller", 0 [pid 8383] <... futex resumed>) = 1 [pid 8380] munmap(0x7f76a8756000, 4194304 [pid 8369] <... futex resumed>) = 0 [pid 8386] <... set_robust_list resumed>) = 0 [pid 8385] <... memfd_create resumed>) = 3 [pid 8386] chdir("./160" [pid 8385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8386] <... chdir resumed>) = 0 [pid 8385] <... mmap resumed>) = 0x7f76a8756000 [pid 8386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8383] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8369] exit_group(0 [pid 8386] <... prctl resumed>) = 0 [pid 8383] <... futex resumed>) = ? [pid 8372] <... futex resumed>) = ? [pid 8369] <... exit_group resumed>) = ? [pid 8386] setpgid(0, 0 [pid 8372] +++ exited with 0 +++ [pid 8386] <... setpgid resumed>) = 0 [pid 8383] +++ exited with 0 +++ [pid 8386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8386] write(3, "1000", 4) = 4 [pid 8386] close(3 [pid 8380] <... munmap resumed>) = 0 [pid 8369] +++ exited with 0 +++ [pid 8386] <... close resumed>) = 0 [pid 8380] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8386] symlink("/dev/binderfs", "./binderfs" [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8369, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 8386] <... symlink resumed>) = 0 [pid 8380] <... openat resumed>) = 4 [pid 5009] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8386] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8386] <... futex resumed>) = 0 [pid 8380] ioctl(4, LOOP_SET_FD, 3 [pid 5009] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] <... openat resumed>) = 3 [pid 8386] <... mmap resumed>) = 0x7f76b0b56000 [pid 5009] fstat(3, [pid 8386] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8386] <... mprotect resumed>) = 0 [pid 5009] getdents64(3, [pid 8386] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8386] <... clone resumed>, parent_tid=[8387], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8387 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8386] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] lstat("./159/binderfs", [pid 8386] <... futex resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 8386] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5009] unlink("./159/binderfs") = 0 [pid 5009] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8387 attached [pid 8387] set_robust_list(0x7f76b0b769e0, 24 [pid 8380] <... ioctl resumed>) = 0 [pid 8387] <... set_robust_list resumed>) = 0 [pid 8380] close(3 [pid 8387] memfd_create("syzkaller", 0 [pid 8380] <... close resumed>) = 0 [pid 8387] <... memfd_create resumed>) = 3 [pid 8380] mkdir("./file0", 0777 [pid 8387] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8380] <... mkdir resumed>) = 0 [pid 8387] <... mmap resumed>) = 0x7f76a8756000 [ 302.191295][ T8380] loop4: detected capacity change from 0 to 8192 [pid 8380] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8385] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8382] <... write resumed>) = 4194304 [pid 8382] munmap(0x7f76a8756000, 4194304) = 0 [ 302.260871][ T8380] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 302.286911][ T8380] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 302.296755][ T8380] REISERFS (device loop4): using ordered data mode [ 302.303455][ T8380] reiserfs: using flush barriers [pid 8382] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8382] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8382] close(3 [pid 8387] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5009] <... umount2 resumed>) = 0 [ 302.313388][ T8380] 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 [ 302.330802][ T8382] loop2: detected capacity change from 0 to 8192 [ 302.337609][ T8380] REISERFS (device loop4): checking transaction log (loop4) [ 302.346204][ T8380] REISERFS (device loop4): Using r5 hash to sort names [pid 5009] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./159/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8382] <... close resumed>) = 0 [pid 5009] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8382] mkdir("./file0", 0777 [pid 8380] <... mount resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8382] <... mkdir resumed>) = 0 [pid 8382] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8380] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5009] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8380] <... openat resumed>) = 3 [pid 5009] <... openat resumed>) = 4 [pid 8380] chdir("./file0" [pid 5009] fstat(4, [pid 8380] <... chdir resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8380] ioctl(4, LOOP_CLR_FD [pid 5009] getdents64(4, [pid 8380] <... ioctl resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8380] close(4 [pid 5009] getdents64(4, [pid 8380] <... close resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [ 302.353674][ T8380] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 302.367574][ T8380] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8380] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] close(4) = 0 [pid 5009] rmdir("./159/file0") = 0 [pid 5009] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5009] rmdir("./159") = 0 [pid 5009] mkdir("./160", 0777) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 8380] <... futex resumed>) = 1 [pid 8379] <... futex resumed>) = 0 [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8380] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8379] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] close(3) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8379] <... futex resumed>) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8390 ./strace-static-x86_64: Process 8390 attached [pid 8380] mkdir("./file1", 000 [pid 8379] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8390] set_robust_list(0x555556dec5e0, 24 [pid 8380] <... mkdir resumed>) = 0 [pid 8390] <... set_robust_list resumed>) = 0 [pid 8380] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8390] chdir("./160" [pid 8380] <... futex resumed>) = 1 [pid 8379] <... futex resumed>) = 0 [ 302.409471][ T8382] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 302.435266][ T8382] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 8390] <... chdir resumed>) = 0 [pid 8380] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8379] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8379] <... futex resumed>) = 0 [pid 8390] <... prctl resumed>) = 0 [pid 8380] mkdir("./bus", 000 [pid 8379] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8390] setpgid(0, 0 [pid 8380] <... mkdir resumed>) = 0 [pid 8390] <... setpgid resumed>) = 0 [pid 8380] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8380] <... futex resumed>) = 1 [pid 8379] <... futex resumed>) = 0 [pid 8390] <... openat resumed>) = 3 [pid 8380] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8379] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8390] write(3, "1000", 4 [pid 8387] <... write resumed>) = 4194304 [pid 8385] <... write resumed>) = 4194304 [pid 8387] munmap(0x7f76a8756000, 4194304 [pid 8385] munmap(0x7f76a8756000, 4194304 [pid 8387] <... munmap resumed>) = 0 [pid 8385] <... munmap resumed>) = 0 [pid 8387] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8390] <... write resumed>) = 4 [pid 8387] ioctl(4, LOOP_SET_FD, 3 [pid 8380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8379] <... futex resumed>) = 0 [pid 8390] close(3 [pid 8385] openat(AT_FDCWD, "/dev/loop3", O_RDWR [ 302.459784][ T8382] REISERFS (device loop2): using ordered data mode [ 302.468183][ T8382] reiserfs: using flush barriers [ 302.477227][ T8382] 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 [ 302.495021][ T8382] REISERFS (device loop2): checking transaction log (loop2) [ 302.495811][ T8387] loop0: detected capacity change from 0 to 8192 [pid 8380] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8379] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8390] <... close resumed>) = 0 [pid 8387] <... ioctl resumed>) = 0 [pid 8387] close(3) = 0 [pid 8387] mkdir("./file0", 0777) = 0 [pid 8387] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8390] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8385] <... openat resumed>) = 4 [pid 8390] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8385] ioctl(4, LOOP_SET_FD, 3 [pid 8390] <... futex resumed>) = 0 [pid 8385] <... ioctl resumed>) = 0 [pid 8390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8390] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8390] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8392], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8392 [pid 8390] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8390] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8392 attached [pid 8392] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8392] memfd_create("syzkaller", 0) = 3 [pid 8392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8385] close(3) = 0 [ 302.511632][ T8380] overlayfs: upper fs needs to support d_type. [ 302.521786][ T8382] REISERFS (device loop2): Using r5 hash to sort names [ 302.523513][ T8385] loop3: detected capacity change from 0 to 8192 [ 302.535474][ T8380] overlayfs: upper fs does not support tmpfile. [ 302.535512][ T8382] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 302.542430][ T8380] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8385] mkdir("./file0", 0777) = 0 [pid 8392] <... mmap resumed>) = 0x7f76a8756000 [pid 8379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8379] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8379] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8379] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8393], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8393 [pid 8379] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8379] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8385] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8393 attached [pid 8393] set_robust_list(0x7f76a8b559e0, 24) = 0 [ 302.565075][ T8387] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 302.586716][ T8385] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 302.595280][ T8387] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 302.601227][ T8380] overlayfs: failed to resolve './file0': -2 [pid 8393] mkdir(".", 0777 [pid 8392] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8393] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8393] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8380] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8380] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 302.610134][ T8382] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 302.622601][ T8387] REISERFS (device loop0): using ordered data mode [ 302.629596][ T8385] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 302.652424][ T8393] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8380] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8392] <... write resumed>) = 4194304 [pid 8382] <... mount resumed>) = 0 [pid 8392] munmap(0x7f76a8756000, 4194304 [pid 8382] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8393] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8393] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8379] <... futex resumed>) = 0 [pid 8379] exit_group(0 [pid 8380] <... futex resumed>) = ? [pid 8379] <... exit_group resumed>) = ? [pid 8380] +++ exited with 0 +++ [pid 8392] <... munmap resumed>) = 0 [pid 8392] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8382] <... openat resumed>) = 3 [pid 8392] <... openat resumed>) = 4 [pid 8382] chdir("./file0" [pid 8392] ioctl(4, LOOP_SET_FD, 3 [pid 8382] <... chdir resumed>) = 0 [pid 8382] ioctl(4, LOOP_CLR_FD [pid 8393] <... futex resumed>) = ? [pid 8382] <... ioctl resumed>) = 0 [pid 8392] <... ioctl resumed>) = 0 [ 302.668127][ T8387] reiserfs: using flush barriers [ 302.673235][ T8385] REISERFS (device loop3): using ordered data mode [ 302.679373][ T8387] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 302.680284][ T8385] reiserfs: using flush barriers [ 302.706737][ T8392] loop1: detected capacity change from 0 to 8192 [pid 8393] +++ exited with 0 +++ [pid 8379] +++ exited with 0 +++ [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8379, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5012] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5012] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5012] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5012] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 8392] close(3 [pid 8382] close(4 [pid 5012] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8392] <... close resumed>) = 0 [pid 8382] <... close resumed>) = 0 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] lstat("./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] unlink("./162/binderfs") = 0 [pid 8392] mkdir("./file0", 0777 [pid 8382] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8392] <... mkdir resumed>) = 0 [pid 8382] <... futex resumed>) = 1 [pid 8381] <... futex resumed>) = 0 [ 302.714388][ T8385] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 302.733125][ T8387] REISERFS (device loop0): checking transaction log (loop0) [ 302.741478][ T8385] REISERFS (device loop3): checking transaction log (loop3) [ 302.750199][ T8387] REISERFS (device loop0): Using r5 hash to sort names [pid 8381] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8381] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8392] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8382] mkdir("./file1", 000) = 0 [pid 8382] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8387] <... mount resumed>) = 0 [pid 8387] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8387] chdir("./file0") = 0 [pid 8387] ioctl(4, LOOP_CLR_FD) = 0 [ 302.758894][ T8387] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 302.773275][ T8387] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 302.782501][ T8385] REISERFS (device loop3): Using r5 hash to sort names [ 302.792014][ T8385] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 302.806086][ T8392] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8387] close(4 [pid 8382] <... futex resumed>) = 1 [pid 8381] <... futex resumed>) = 0 [pid 8382] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8381] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8381] <... futex resumed>) = 0 [pid 8382] mkdir("./bus", 000 [pid 8381] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8387] <... close resumed>) = 0 [pid 8387] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8382] <... mkdir resumed>) = 0 [pid 8382] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8381] <... futex resumed>) = 0 [pid 8387] <... futex resumed>) = 1 [pid 8386] <... futex resumed>) = 0 [pid 8382] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8381] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8387] mkdir("./file1", 000 [pid 8386] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] <... futex resumed>) = 0 [pid 8387] <... mkdir resumed>) = 0 [pid 8386] <... futex resumed>) = 0 [pid 8381] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8387] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8386] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8387] <... futex resumed>) = 0 [pid 8386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8387] mkdir("./bus", 000 [pid 8386] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8387] <... mkdir resumed>) = 0 [pid 8386] <... futex resumed>) = 0 [pid 8387] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8386] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8387] <... futex resumed>) = 0 [pid 8386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8387] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8386] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8386] <... futex resumed>) = 0 [pid 8387] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8386] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8382] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8385] <... mount resumed>) = 0 [ 302.832500][ T8392] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 302.855380][ T8385] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 302.865752][ T8392] REISERFS (device loop1): using ordered data mode [ 302.868290][ T8387] overlayfs: upper fs needs to support d_type. [pid 8385] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8381] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8381] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8381] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8385] <... openat resumed>) = 3 [pid 8381] <... mprotect resumed>) = 0 [pid 8381] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8385] chdir("./file0") = 0 [pid 8381] <... clone resumed>, parent_tid=[8396], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8396 [pid 8385] ioctl(4, LOOP_CLR_FD [pid 8381] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8385] <... ioctl resumed>) = 0 [pid 8381] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8396 attached [pid 8385] close(4 [pid 8381] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8396] set_robust_list(0x7f76a8b559e0, 24 [pid 8385] <... close resumed>) = 0 [pid 8396] <... set_robust_list resumed>) = 0 [pid 8385] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8396] mkdir(".", 0777 [pid 8385] <... futex resumed>) = 1 [pid 8384] <... futex resumed>) = 0 [pid 8385] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8384] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8384] <... futex resumed>) = 0 [ 302.872472][ T8392] reiserfs: using flush barriers [ 302.885823][ T8382] overlayfs: upper fs needs to support d_type. [ 302.892395][ T8392] 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 [ 302.912215][ T8392] REISERFS (device loop1): checking transaction log (loop1) [ 302.920482][ T8387] overlayfs: upper fs does not support tmpfile. [pid 8396] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8386] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8385] mkdir("./file1", 000 [pid 8384] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... umount2 resumed>) = 0 [pid 8396] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8386] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8385] <... mkdir resumed>) = 0 [pid 8386] <... futex resumed>) = 0 [pid 8385] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [ 302.927530][ T8392] REISERFS (device loop1): Using r5 hash to sort names [ 302.935039][ T8392] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 302.942249][ T8382] overlayfs: upper fs does not support tmpfile. [ 302.948701][ T8387] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 302.963550][ T8387] overlayfs: failed to resolve './file0': -2 [ 302.969975][ T8392] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8385] <... futex resumed>) = 1 [pid 8384] <... futex resumed>) = 0 [pid 8392] <... mount resumed>) = 0 [pid 8386] <... mmap resumed>) = 0x7f76a8b35000 [pid 5012] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8392] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8392] <... openat resumed>) = 3 [pid 5012] lstat("./162/file0", [pid 8392] chdir("./file0" [pid 5012] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8392] <... chdir resumed>) = 0 [pid 5012] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8392] ioctl(4, LOOP_CLR_FD [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8392] <... ioctl resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8392] close(4 [pid 5012] <... openat resumed>) = 4 [pid 8392] <... close resumed>) = 0 [pid 8387] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8386] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8385] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8384] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] fstat(4, [pid 8392] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8387] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8392] <... futex resumed>) = 1 [pid 8390] <... futex resumed>) = 0 [pid 8387] <... futex resumed>) = 0 [pid 8386] <... mprotect resumed>) = 0 [pid 8385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8384] <... futex resumed>) = 0 [pid 5012] getdents64(4, [pid 8392] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8390] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8387] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8386] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8385] mkdir("./bus", 000 [pid 8384] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 8392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8390] <... futex resumed>) = 0 [pid 8385] <... mkdir resumed>) = 0 [pid 5012] getdents64(4, [pid 8392] mkdir("./file1", 000 [pid 8390] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8386] <... clone resumed>, parent_tid=[8397], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8397 [pid 8385] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8392] <... mkdir resumed>) = 0 [pid 8386] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8385] <... futex resumed>) = 1 [pid 8384] <... futex resumed>) = 0 [pid 5012] close(4./strace-static-x86_64: Process 8397 attached [pid 8392] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8386] <... futex resumed>) = 0 [pid 8385] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8384] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... close resumed>) = 0 [pid 8392] <... futex resumed>) = 1 [pid 8390] <... futex resumed>) = 0 [pid 8386] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8384] <... futex resumed>) = 0 [pid 5012] rmdir("./162/file0" [pid 8397] set_robust_list(0x7f76a8b559e0, 24 [pid 8392] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8390] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8385] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8384] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... rmdir resumed>) = 0 [pid 8392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8390] <... futex resumed>) = 0 [pid 5012] getdents64(3, [pid 8392] mkdir("./bus", 000 [pid 8390] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8392] <... mkdir resumed>) = 0 [pid 5012] close(3 [pid 8392] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... close resumed>) = 0 [pid 8392] <... futex resumed>) = 1 [pid 8390] <... futex resumed>) = 0 [pid 5012] rmdir("./162" [pid 8392] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8390] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... rmdir resumed>) = 0 [pid 8392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8390] <... futex resumed>) = 0 [pid 5012] mkdir("./163", 0777 [pid 8392] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8390] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5012] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5012] close(3) = 0 [ 302.975124][ T8396] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 303.013925][ T8385] overlayfs: upper fs needs to support d_type. [ 303.021694][ T8392] overlayfs: upper fs needs to support d_type. [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8397] <... set_robust_list resumed>) = 0 [pid 5012] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8398 [pid 8397] mkdir(".", 0777) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 8398 attached [pid 8398] set_robust_list(0x555556dec5e0, 24 [pid 8397] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8398] <... set_robust_list resumed>) = 0 [pid 8398] chdir("./163") = 0 [pid 8398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8398] setpgid(0, 0) = 0 [pid 8398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8398] write(3, "1000", 4) = 4 [pid 8398] close(3) = 0 [pid 8398] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8390] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8398] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8390] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8398] <... futex resumed>) = 0 [pid 8390] <... futex resumed>) = 0 [pid 8398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8398] <... mmap resumed>) = 0x7f76b0b56000 [pid 8390] <... mmap resumed>) = 0x7f76a8b35000 [pid 8398] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8390] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8398] <... mprotect resumed>) = 0 [pid 8390] <... mprotect resumed>) = 0 [pid 8398] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8390] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8398] <... clone resumed>, parent_tid=[8400], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8400 [pid 8390] <... clone resumed>, parent_tid=[8399], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8399 [pid 8398] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8390] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8398] <... futex resumed>) = 0 [pid 8390] <... futex resumed>) = 0 [pid 8398] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8390] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8384] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8399 attached [pid 8399] set_robust_list(0x7f76a8b559e0, 24 [pid 8384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8399] <... set_robust_list resumed>) = 0 [pid 8399] mkdir(".", 0777 [pid 8384] <... mmap resumed>) = 0x7f76a8b35000 [pid 8399] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8384] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [pid 8399] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8384] <... mprotect resumed>) = 0 [pid 8384] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8401], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8401 [ 303.025289][ T8385] overlayfs: upper fs does not support tmpfile. [ 303.028950][ T8392] overlayfs: upper fs does not support tmpfile. [ 303.058095][ T8397] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 303.064074][ T8385] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8384] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8400 attached ) = 0 ./strace-static-x86_64: Process 8401 attached [pid 8400] set_robust_list(0x7f76b0b769e0, 24 [pid 8397] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8396] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8384] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8399] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8399] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8390] <... futex resumed>) = 0 [pid 8399] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8401] set_robust_list(0x7f76a8b559e0, 24 [pid 8400] <... set_robust_list resumed>) = 0 [pid 8397] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8396] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8401] <... set_robust_list resumed>) = 0 [pid 8400] memfd_create("syzkaller", 0 [pid 8397] <... futex resumed>) = 1 [pid 8396] <... futex resumed>) = 1 [pid 8386] <... futex resumed>) = 0 [pid 8385] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8381] <... futex resumed>) = 0 [pid 8401] mkdir(".", 0777 [pid 8400] <... memfd_create resumed>) = 3 [pid 8397] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8396] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8386] exit_group(0 [pid 8385] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8401] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 8400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8397] <... futex resumed>) = ? [ 303.093719][ T8392] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 303.101957][ T8399] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 303.116131][ T8382] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 303.117095][ T8385] overlayfs: failed to resolve './file0': -2 [ 303.124633][ T8382] overlayfs: failed to resolve './file0': -2 [ 303.136521][ T8392] overlayfs: failed to resolve './file0': -2 [pid 8392] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8387] <... futex resumed>) = ? [pid 8386] <... exit_group resumed>) = ? [pid 8385] <... futex resumed>) = 0 [pid 8382] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8401] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8400] <... mmap resumed>) = 0x7f76a8756000 [pid 8397] +++ exited with 0 +++ [pid 8392] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8387] +++ exited with 0 +++ [pid 8385] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8382] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8392] <... futex resumed>) = 0 [pid 8382] <... futex resumed>) = 0 [pid 8392] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8386] +++ exited with 0 +++ [pid 8382] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8381] exit_group(0 [pid 8390] exit_group(0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8386, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 8399] <... futex resumed>) = ? [pid 8392] <... futex resumed>) = ? [pid 8390] <... exit_group resumed>) = ? [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 8399] +++ exited with 0 +++ [pid 8396] <... futex resumed>) = ? [pid 8392] +++ exited with 0 +++ [pid 8390] +++ exited with 0 +++ [pid 8382] <... futex resumed>) = ? [pid 8381] <... exit_group resumed>) = ? [pid 5008] <... restart_syscall resumed>) = 0 [pid 8396] +++ exited with 0 +++ [pid 8382] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8390, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5009] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [pid 5009] fstat(3, [pid 5008] fstat(3, [pid 8381] +++ exited with 0 +++ [pid 5009] <... 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 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8381, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5009] getdents64(3, [pid 5008] getdents64(3, [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5009] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./160/binderfs", [pid 5008] lstat("./160/binderfs", [pid 5010] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] unlink("./160/binderfs" [pid 5008] unlink("./160/binderfs" [pid 5010] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... unlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5010] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./161/binderfs") = 0 [pid 5010] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8401] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8401] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8401] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8384] <... futex resumed>) = 0 [pid 8384] exit_group(0 [pid 8385] <... futex resumed>) = ? [pid 8384] <... exit_group resumed>) = ? [pid 8385] +++ exited with 0 +++ [pid 8401] <... futex resumed>) = ? [pid 8401] +++ exited with 0 +++ [pid 8384] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8384, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5011] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./161/binderfs") = 0 [ 303.175754][ T8401] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5011] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8400] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./160/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./160/file0", 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, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5008] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5008] close(4) = 0 [pid 5008] rmdir("./160/file0") = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./160") = 0 [pid 5008] mkdir("./161", 0777) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5011] <... umount2 resumed>) = 0 [pid 5009] <... umount2 resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5008] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] close(3) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] <... umount2 resumed>) = 0 [pid 5009] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8402 [pid 5011] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./161/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5009] lstat("./160/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] lstat("./161/file0", [pid 5011] getdents64(4, [pid 5009] <... openat resumed>) = 4 [pid 5010] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] fstat(4, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(4, [pid 5010] <... openat resumed>) = 4 [pid 5009] getdents64(4, [pid 5011] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] fstat(4, [pid 5009] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5011] close(4 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(4, ./strace-static-x86_64: Process 8402 attached [pid 5011] <... close resumed>) = 0 [pid 8402] set_robust_list(0x555556dec5e0, 24 [pid 5011] rmdir("./161/file0" [pid 5010] getdents64(4, [pid 5009] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 8402] <... set_robust_list resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 8402] chdir("./161" [pid 5011] getdents64(3, [pid 5010] <... getdents64 resumed>0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5009] close(4 [pid 8402] <... chdir resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] close(3 [pid 5010] getdents64(4, [pid 5009] <... close resumed>) = 0 [pid 8402] <... prctl resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5009] rmdir("./160/file0" [pid 8402] setpgid(0, 0 [pid 5011] rmdir("./161" [pid 8402] <... setpgid resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5010] close(4 [pid 5009] <... rmdir resumed>) = 0 [pid 8402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] mkdir("./162", 0777 [pid 5010] <... close resumed>) = 0 [pid 5009] getdents64(3, [pid 8402] <... openat resumed>) = 3 [pid 5011] <... mkdir resumed>) = 0 [pid 5010] rmdir("./161/file0" [pid 5009] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 8402] write(3, "1000", 4 [pid 5011] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8402] <... write resumed>) = 4 [pid 5011] <... openat resumed>) = 3 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] close(3 [pid 8402] close(3 [pid 5011] ioctl(3, LOOP_CLR_FD [pid 5010] getdents64(3, [pid 8402] <... close resumed>) = 0 [pid 5011] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... close resumed>) = 0 [pid 8402] symlink("/dev/binderfs", "./binderfs" [pid 5011] close(3 [pid 5010] <... getdents64 resumed>0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5009] rmdir("./160" [pid 8402] <... symlink resumed>) = 0 [pid 8400] <... write resumed>) = 4194304 [pid 5011] <... close resumed>) = 0 [pid 5010] close(3 [pid 5009] <... rmdir resumed>) = 0 [pid 8402] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8400] munmap(0x7f76a8756000, 4194304 [pid 5010] <... close resumed>) = 0 [pid 5009] mkdir("./161", 0777 [pid 8402] <... futex resumed>) = 0 [pid 8400] <... munmap resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] rmdir("./161" [pid 5009] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 8403 attached [pid 8402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8403] set_robust_list(0x555556dec5e0, 24 [pid 8402] <... mmap resumed>) = 0x7f76b0b56000 [pid 8400] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5011] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8403 [pid 5010] mkdir("./162", 0777 [pid 5009] <... openat resumed>) = 3 [pid 8403] <... set_robust_list resumed>) = 0 [pid 8402] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8400] <... openat resumed>) = 4 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] ioctl(3, LOOP_CLR_FD [pid 8400] ioctl(4, LOOP_SET_FD, 3 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5009] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8402] <... mprotect resumed>) = 0 [pid 8403] chdir("./162" [pid 5010] <... openat resumed>) = 3 [pid 5009] close(3 [pid 5010] ioctl(3, LOOP_CLR_FD [pid 5009] <... close resumed>) = 0 [pid 5010] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8402] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] close(3) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x555556dec5d0) = 8404 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8405 ./strace-static-x86_64: Process 8405 attached [pid 8405] set_robust_list(0x555556dec5e0, 24./strace-static-x86_64: Process 8404 attached ) = 0 [pid 8405] chdir("./162" [pid 8404] set_robust_list(0x555556dec5e0, 24 [pid 8402] <... clone resumed>, parent_tid=[8406], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8406 ./strace-static-x86_64: Process 8406 attached [pid 8405] <... chdir resumed>) = 0 [pid 8404] <... set_robust_list resumed>) = 0 [pid 8403] <... chdir resumed>) = 0 [pid 8402] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8406] set_robust_list(0x7f76b0b769e0, 24 [pid 8405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8404] chdir("./161" [pid 8403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8402] <... futex resumed>) = 0 [pid 8400] <... ioctl resumed>) = 0 [pid 8405] <... prctl resumed>) = 0 [pid 8404] <... chdir resumed>) = 0 [pid 8403] <... prctl resumed>) = 0 [pid 8402] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8400] close(3 [pid 8405] setpgid(0, 0 [pid 8404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8403] setpgid(0, 0 [pid 8400] <... close resumed>) = 0 [pid 8406] <... set_robust_list resumed>) = 0 [pid 8405] <... setpgid resumed>) = 0 [pid 8404] <... prctl resumed>) = 0 [pid 8403] <... setpgid resumed>) = 0 [pid 8400] mkdir("./file0", 0777 [pid 8406] memfd_create("syzkaller", 0 [pid 8405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8404] setpgid(0, 0 [pid 8403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8400] <... mkdir resumed>) = 0 [pid 8405] <... openat resumed>) = 3 [pid 8404] <... setpgid resumed>) = 0 [pid 8400] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8405] write(3, "1000", 4 [pid 8404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8405] <... write resumed>) = 4 [pid 8404] <... openat resumed>) = 3 [pid 8405] close(3 [pid 8404] write(3, "1000", 4 [pid 8405] <... close resumed>) = 0 [pid 8404] <... write resumed>) = 4 [pid 8403] <... openat resumed>) = 3 [pid 8405] symlink("/dev/binderfs", "./binderfs" [pid 8404] close(3 [pid 8405] <... symlink resumed>) = 0 [pid 8404] <... close resumed>) = 0 [pid 8403] write(3, "1000", 4 [pid 8405] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8404] symlink("/dev/binderfs", "./binderfs" [pid 8405] <... futex resumed>) = 0 [pid 8404] <... symlink resumed>) = 0 [pid 8405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8404] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8405] <... mmap resumed>) = 0x7f76b0b56000 [pid 8404] <... futex resumed>) = 0 [pid 8405] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE [pid 8404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8405] <... mprotect resumed>) = 0 [pid 8404] <... mmap resumed>) = 0x7f76b0b56000 [pid 8405] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8404] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8405] <... clone resumed>, parent_tid=[8408], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8408 [pid 8404] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 8405] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8404] <... clone resumed>, parent_tid=[8409], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8409 [pid 8405] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8404] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8404] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8409 attached [pid 8409] set_robust_list(0x7f76b0b769e0, 24) = 0 ./strace-static-x86_64: Process 8408 attached [pid 8408] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8403] <... write resumed>) = 4 [pid 8403] close(3 [pid 8409] memfd_create("syzkaller", 0) = 3 [pid 8409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8408] memfd_create("syzkaller", 0 [pid 8409] <... mmap resumed>) = 0x7f76a8756000 [pid 8406] <... memfd_create resumed>) = 3 [pid 8403] <... close resumed>) = 0 [ 303.458070][ T8400] loop4: detected capacity change from 0 to 8192 [ 303.489626][ T8400] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8408] <... memfd_create resumed>) = 3 [pid 8406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8403] symlink("/dev/binderfs", "./binderfs" [pid 8408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8406] <... mmap resumed>) = 0x7f76a8756000 [pid 8403] <... symlink resumed>) = 0 [pid 8403] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8403] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [ 303.506874][ T8400] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 303.516610][ T8400] REISERFS (device loop4): using ordered data mode [ 303.523166][ T8400] reiserfs: using flush barriers [ 303.531414][ T8400] 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 8403] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8410], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8410 [pid 8403] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8403] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8410 attached [pid 8410] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8410] memfd_create("syzkaller", 0) = 3 [pid 8410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [pid 8406] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8409] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 303.576350][ T8400] REISERFS (device loop4): checking transaction log (loop4) [ 303.605002][ T8400] REISERFS (device loop4): Using r5 hash to sort names [pid 8408] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 303.635568][ T8400] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 303.667305][ T8400] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8410] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8400] <... mount resumed>) = 0 [pid 8400] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8406] <... write resumed>) = 4194304 [pid 8406] munmap(0x7f76a8756000, 4194304 [pid 8400] chdir("./file0") = 0 [pid 8400] ioctl(4, LOOP_CLR_FD) = 0 [pid 8400] close(4 [pid 8406] <... munmap resumed>) = 0 [pid 8400] <... close resumed>) = 0 [pid 8400] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8398] <... futex resumed>) = 0 [pid 8406] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8400] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8406] <... openat resumed>) = 4 [pid 8400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8398] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8406] ioctl(4, LOOP_SET_FD, 3 [ 303.705323][ T28] INFO: task kworker/u4:4:65 blocked for more than 143 seconds. [ 303.713261][ T28] Not tainted 6.3.0-next-20230428-syzkaller #0 [pid 8400] mkdir("./file1", 000 [pid 8398] <... futex resumed>) = 0 [pid 8400] <... mkdir resumed>) = 0 [pid 8400] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8400] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8406] <... ioctl resumed>) = 0 [pid 8398] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8406] close(3 [pid 8398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8406] <... close resumed>) = 0 [pid 8398] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8406] mkdir("./file0", 0777 [pid 8400] <... futex resumed>) = 0 [pid 8398] <... futex resumed>) = 1 [pid 8400] mkdir("./bus", 000 [pid 8398] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8406] <... mkdir resumed>) = 0 [pid 8400] <... mkdir resumed>) = 0 [pid 8406] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8400] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8398] <... futex resumed>) = 0 [pid 8400] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8398] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8398] <... futex resumed>) = 0 [pid 8400] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [ 303.751302][ T8406] loop0: detected capacity change from 0 to 8192 [ 303.754294][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 303.784469][ T8400] overlayfs: upper fs needs to support d_type. [pid 8398] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8410] <... write resumed>) = 4194304 [pid 8409] <... write resumed>) = 4194304 [pid 8410] munmap(0x7f76a8756000, 4194304 [pid 8409] munmap(0x7f76a8756000, 4194304 [pid 8408] <... write resumed>) = 4194304 [pid 8408] munmap(0x7f76a8756000, 4194304 [pid 8409] <... munmap resumed>) = 0 [pid 8409] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8409] ioctl(4, LOOP_SET_FD, 3 [pid 8408] <... munmap resumed>) = 0 [pid 8408] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 303.790959][ T8406] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 303.792445][ T8400] overlayfs: upper fs does not support tmpfile. [ 303.811125][ T8406] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 303.824538][ T28] task:kworker/u4:4 state:D stack:26840 pid:65 ppid:2 flags:0x00004000 [ 303.827915][ T8409] loop1: detected capacity change from 0 to 8192 [ 303.841910][ T8408] loop2: detected capacity change from 0 to 8192 [pid 8408] ioctl(4, LOOP_SET_FD, 3 [pid 8410] <... munmap resumed>) = 0 [pid 8409] <... ioctl resumed>) = 0 [pid 8410] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8409] close(3 [pid 8398] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8410] <... openat resumed>) = 4 [pid 8409] <... close resumed>) = 0 [pid 8398] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8408] <... ioctl resumed>) = 0 [pid 8408] close(3) = 0 [pid 8408] mkdir("./file0", 0777) = 0 [pid 8410] ioctl(4, LOOP_SET_FD, 3 [pid 8409] mkdir("./file0", 0777 [pid 8398] <... futex resumed>) = 0 [pid 8408] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8410] <... ioctl resumed>) = 0 [pid 8409] <... mkdir resumed>) = 0 [ 303.845076][ T8406] REISERFS (device loop0): using ordered data mode [ 303.854800][ T28] Workqueue: writeback wb_workfn [ 303.857582][ T8406] reiserfs: using flush barriers [ 303.862947][ T8400] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 303.869749][ T8406] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 303.878030][ T28] (flush-7:5) [ 303.891491][ T8410] loop3: detected capacity change from 0 to 8192 [pid 8398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8410] close(3 [pid 8409] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 8398] <... mmap resumed>) = 0x7f76a8b35000 [pid 8410] <... close resumed>) = 0 [pid 8398] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE [ 303.893804][ T8400] overlayfs: failed to resolve './file0': -2 [ 303.897216][ T8406] REISERFS (device loop0): checking transaction log (loop0) [ 303.903653][ T28] [ 303.909387][ T8406] REISERFS (device loop0): Using r5 hash to sort names [ 303.917214][ T28] Call Trace: [ 303.917229][ T28] [ 303.917247][ T28] __schedule+0x1d15/0x5790 [ 303.925978][ T8406] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 8410] mkdir("./file0", 0777 [pid 8398] <... mprotect resumed>) = 0 [pid 8398] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8414], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8414 [pid 8398] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8410] <... mkdir resumed>) = 0 [pid 8398] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8410] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 8414 attached [pid 8414] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8414] mkdir(".", 0777) = -1 EEXIST (File exists) [ 303.928083][ T8408] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 303.931599][ T8409] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 303.936473][ T8408] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 303.967279][ T8406] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 303.978885][ T28] ? io_schedule_timeout+0x150/0x150 [pid 8414] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8406] <... mount resumed>) = 0 [pid 8406] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 303.984338][ T8410] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 303.998970][ T8414] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 304.011430][ T8410] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 304.034329][ T8410] REISERFS (device loop3): using ordered data mode [ 304.034500][ T8409] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 8406] chdir("./file0") = 0 [ 304.034589][ T8409] REISERFS (device loop1): using ordered data mode [ 304.034607][ T8409] reiserfs: using flush barriers [ 304.036505][ T8409] 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 [ 304.042500][ T8408] REISERFS (device loop2): using ordered data mode [ 304.051531][ T8409] REISERFS (device loop1): checking transaction log (loop1) [ 304.057896][ T28] ? blk_mq_requeue_work+0x840/0x840 [pid 8414] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8406] ioctl(4, LOOP_CLR_FD [pid 8409] <... mount resumed>) = 0 [pid 8409] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8409] chdir("./file0") = 0 [pid 8409] ioctl(4, LOOP_CLR_FD) = 0 [pid 8409] close(4) = 0 [pid 8409] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8404] <... futex resumed>) = 0 [pid 8404] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8404] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8409] <... futex resumed>) = 1 [pid 8409] mkdir("./file1", 000) = 0 [pid 8409] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8404] <... futex resumed>) = 0 [pid 8404] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8404] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8409] <... futex resumed>) = 1 [pid 8409] mkdir("./bus", 000) = 0 [pid 8409] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8404] <... futex resumed>) = 0 [pid 8404] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8404] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8409] <... futex resumed>) = 1 [pid 8409] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8414] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8406] <... ioctl resumed>) = 0 [pid 8406] close(4) = 0 [pid 8406] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 304.063926][ T8409] REISERFS (device loop1): Using r5 hash to sort names [ 304.079323][ T8410] reiserfs: using flush barriers [ 304.086363][ T8409] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 304.092815][ T8408] reiserfs: using flush barriers [ 304.098708][ T8409] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 304.107888][ T28] schedule+0xde/0x1a0 [ 304.134911][ T8409] overlayfs: upper fs needs to support d_type. [pid 8406] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8414] <... futex resumed>) = 1 [pid 8402] <... futex resumed>) = 0 [pid 8398] <... futex resumed>) = 0 [pid 8404] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8404] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8414] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8404] <... futex resumed>) = 0 [pid 8402] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8404] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8404] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8416], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8416 [pid 8406] <... futex resumed>) = 0 [pid 8404] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000 [pid 8402] <... futex resumed>) = 1 [pid 8406] mkdir("./file1", 000 [pid 8402] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8406] <... mkdir resumed>) = 0 [pid 8406] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8402] <... futex resumed>) = 0 [pid 8406] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8402] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8402] <... futex resumed>) = 0 [pid 8406] mkdir("./bus", 000 [pid 8404] <... futex resumed>) = 0 [pid 8402] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8406] <... mkdir resumed>) = 0 [pid 8404] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8406] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8406] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8402] <... futex resumed>) = 0 [pid 8402] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [ 304.138644][ T8410] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 304.143516][ T8409] overlayfs: upper fs does not support tmpfile. [ 304.148181][ T8408] 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 8406] <... futex resumed>) = 0 [pid 8402] <... futex resumed>) = 1 [pid 8406] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8402] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8416 attached [pid 8416] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8416] mkdir(".", 0777) = -1 EEXIST (File exists) [ 304.198303][ T8410] REISERFS (device loop3): checking transaction log (loop3) [ 304.207919][ T8406] overlayfs: upper fs needs to support d_type. [ 304.214174][ T8406] overlayfs: upper fs does not support tmpfile. [ 304.222576][ T8410] REISERFS (device loop3): Using r5 hash to sort names [ 304.233741][ T8410] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 304.238213][ T8406] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 8416] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8402] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8402] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8402] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8402] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8417], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8417 [pid 8402] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8417 attached ) = 0 [pid 8417] set_robust_list(0x7f76a8b559e0, 24 [pid 8402] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8417] <... set_robust_list resumed>) = 0 [pid 8417] mkdir(".", 0777) = -1 EEXIST (File exists) [ 304.248161][ T8416] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 304.279768][ T8406] overlayfs: failed to resolve './file0': -2 [ 304.292778][ T28] queue_log_writer+0x293/0x2f0 [pid 8417] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8416] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8410] <... mount resumed>) = 0 [pid 8416] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8416] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8404] <... futex resumed>) = 0 [ 304.294661][ T8410] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 304.299159][ T28] ? free_cnode+0x1e0/0x1e0 [ 304.312460][ T8408] REISERFS (device loop2): checking transaction log (loop2) [ 304.314805][ T8417] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 304.333484][ T8409] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 304.342644][ T8408] REISERFS (device loop2): Using r5 hash to sort names [pid 8410] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8410] chdir("./file0" [pid 8408] <... mount resumed>) = 0 [pid 8410] <... chdir resumed>) = 0 [pid 8410] ioctl(4, LOOP_CLR_FD [pid 8408] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8410] <... ioctl resumed>) = 0 [pid 8408] <... openat resumed>) = 3 [pid 8410] close(4 [pid 8408] chdir("./file0" [pid 8410] <... close resumed>) = 0 [pid 8410] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8408] <... chdir resumed>) = 0 [pid 8410] <... futex resumed>) = 1 [pid 8408] ioctl(4, LOOP_CLR_FD [pid 8403] <... futex resumed>) = 0 [pid 8410] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8403] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8408] <... ioctl resumed>) = 0 [pid 8410] mkdir("./file1", 000 [pid 8403] <... futex resumed>) = 0 [pid 8408] close(4 [pid 8410] <... mkdir resumed>) = 0 [pid 8408] <... close resumed>) = 0 [pid 8403] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8410] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8408] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8410] <... futex resumed>) = 0 [pid 8408] <... futex resumed>) = 1 [pid 8405] <... futex resumed>) = 0 [pid 8403] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8410] mkdir("./bus", 000 [pid 8405] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8403] <... futex resumed>) = 0 [pid 8410] <... mkdir resumed>) = 0 [pid 8408] mkdir("./file1", 000 [pid 8405] <... futex resumed>) = 0 [ 304.343749][ T28] ? wake_up_state+0x10/0x10 [ 304.350849][ T8408] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 304.359487][ T8409] overlayfs: failed to resolve './file0': -2 [ 304.368137][ T8408] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 304.374428][ T28] ? __brelse+0x88/0xa0 [pid 8403] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8410] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8405] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8410] <... futex resumed>) = 0 [pid 8403] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8410] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8403] <... futex resumed>) = 0 [pid 8417] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8417] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8402] <... futex resumed>) = 0 [pid 8417] <... futex resumed>) = 1 [pid 8417] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8403] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8408] <... mkdir resumed>) = 0 [pid 8408] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8405] <... futex resumed>) = 0 [pid 8405] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8408] mkdir("./bus", 000 [pid 8405] <... futex resumed>) = 0 [pid 8405] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8408] <... mkdir resumed>) = 0 [pid 8408] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8405] <... futex resumed>) = 0 [pid 8405] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8405] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 304.411407][ T8410] overlayfs: upper fs needs to support d_type. [ 304.415433][ T28] do_journal_end+0x908/0x4af0 [ 304.420259][ T8410] overlayfs: upper fs does not support tmpfile. [ 304.427551][ T28] ? reiserfs_prepare_for_journal+0x2b0/0x2b0 [ 304.431096][ T8410] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 304.455857][ T28] reiserfs_write_inode+0x27e/0x2d0 [pid 8408] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8403] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8403] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8403] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8403] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8418], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8418 [pid 8403] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8405] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8403] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8405] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 304.461754][ T8408] overlayfs: upper fs needs to support d_type. [ 304.465284][ T28] ? reiserfs_encode_fh+0x5e0/0x5e0 [ 304.468943][ T8408] overlayfs: upper fs does not support tmpfile. [ 304.480151][ T28] ? spin_bug+0x1c0/0x1c0 [ 304.482191][ T8408] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 304.498432][ T8408] overlayfs: failed to resolve './file0': -2 [ 304.501654][ T8410] overlayfs: failed to resolve './file0': -2 [pid 8405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76a8b35000 [pid 8405] mprotect(0x7f76a8b36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8405] clone(child_stack=0x7f76a8b553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8419], tls=0x7f76a8b55700, child_tidptr=0x7f76a8b559d0) = 8419 [pid 8405] futex(0x7f76b0c50778, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8418 attached ) = 0 [pid 8418] set_robust_list(0x7f76a8b559e0, 24 [pid 8405] futex(0x7f76b0c5077c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8418] <... set_robust_list resumed>) = 0 [pid 8418] mkdir(".", 0777./strace-static-x86_64: Process 8419 attached ) = -1 EEXIST (File exists) [pid 8418] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 8419] set_robust_list(0x7f76a8b559e0, 24) = 0 [pid 8419] mkdir(".", 0777) = -1 EEXIST (File exists) [ 304.511303][ T28] ? lock_acquire+0x32/0xc0 [ 304.526548][ T28] ? __writeback_single_inode+0x255/0xdb0 [ 304.541014][ T8418] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 8419] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\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 8418] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 8418] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8403] <... futex resumed>) = 0 [pid 8418] <... futex resumed>) = 1 [pid 8418] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8419] futex(0x7f76b0c5077c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8405] <... futex resumed>) = 0 [ 304.560680][ T28] __writeback_single_inode+0x9f2/0xdb0 [ 304.567728][ T28] writeback_sb_inodes+0x54d/0xe70 [ 304.569026][ T8419] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 304.573295][ T28] ? sync_inode_metadata+0xe0/0xe0 [ 304.592826][ T28] ? rcu_is_watching+0x12/0xb0 [ 304.599330][ T28] ? queue_io+0x386/0x4e0 [ 304.605752][ T28] wb_writeback+0x294/0xa50 [ 304.611632][ T28] ? __writeback_inodes_wb+0x280/0x280 [ 304.617422][ T28] ? lock_downgrade+0x690/0x690 [ 304.622437][ T28] ? mark_held_locks+0x9f/0xe0 [ 304.627422][ T28] ? _raw_spin_unlock_irq+0x23/0x50 [ 304.632697][ T28] wb_workfn+0x2a5/0xcc0 [ 304.637419][ T28] ? lock_acquire+0x32/0xc0 [ 304.642106][ T28] ? inode_wait_for_writeback+0x40/0x40 [ 304.647879][ T28] ? lock_sync+0x190/0x190 [ 304.652441][ T28] ? rcu_is_watching+0x12/0xb0 [ 304.657440][ T28] ? trace_lock_acquire+0x12d/0x180 [ 304.662768][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 304.669374][ T28] ? process_one_work+0x8b7/0x15e0 [ 304.674663][ T28] ? lock_acquire+0x32/0xc0 [ 304.679330][ T28] ? process_one_work+0x8b7/0x15e0 [ 304.684563][ T28] process_one_work+0x99a/0x15e0 [ 304.689729][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 304.695262][ T28] ? rcu_is_watching+0x12/0xb0 [ 304.700145][ T28] ? spin_bug+0x1c0/0x1c0 [ 304.704604][ T28] ? lock_acquire+0x32/0xc0 [pid 8419] futex(0x7f76b0c50778, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8410] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8409] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8408] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8406] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8400] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 8408] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8405] exit_group(0 [pid 8419] <... futex resumed>) = ? [pid 8405] <... exit_group resumed>) = ? [pid 8419] +++ exited with 0 +++ [pid 8410] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8409] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8408] +++ exited with 0 +++ [pid 8406] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8405] +++ exited with 0 +++ [pid 8400] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8410] <... futex resumed>) = 0 [pid 8409] <... futex resumed>) = 0 [pid 8406] <... futex resumed>) = 0 [ 304.709294][ T28] ? worker_thread+0x16d/0x10c0 [ 304.714276][ T28] worker_thread+0x67d/0x10c0 [ 304.719212][ T28] ? process_one_work+0x15e0/0x15e0 [ 304.724591][ T28] kthread+0x344/0x440 [ 304.728950][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 304.734758][ T28] ret_from_fork+0x1f/0x30 [ 304.739509][ T28] [ 304.744173][ T28] INFO: task syz-executor573:6010 blocked for more than 144 seconds. [ 304.752893][ T28] Not tainted 6.3.0-next-20230428-syzkaller #0 [pid 8404] exit_group(0 [pid 8402] exit_group(0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8405, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=30 /* 0.30 s */} --- [pid 8416] <... futex resumed>) = ? [pid 8404] <... exit_group resumed>) = ? [pid 8402] <... exit_group resumed>) = ? [pid 8398] exit_group(0 [pid 8417] <... futex resumed>) = ? [pid 8416] +++ exited with 0 +++ [pid 8414] <... futex resumed>) = ? [pid 8410] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8403] exit_group(0 [pid 8400] <... futex resumed>) = ? [pid 8398] <... exit_group resumed>) = ? [pid 8414] +++ exited with 0 +++ [pid 8400] +++ exited with 0 +++ [pid 8398] +++ exited with 0 +++ [pid 5010] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8398, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] restart_syscall(<... resuming interrupted clone ...> [pid 5010] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8417] +++ exited with 0 +++ [pid 5012] <... restart_syscall resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 8409] +++ exited with 0 +++ [pid 8404] +++ exited with 0 +++ [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 8406] +++ exited with 0 +++ [pid 8403] <... exit_group resumed>) = ? [pid 8402] +++ exited with 0 +++ [pid 5012] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(3, [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8404, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 8418] <... futex resumed>) = ? [pid 8410] <... futex resumed>) = ? [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 8418] +++ exited with 0 +++ [pid 5012] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... restart_syscall resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8402, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 8410] +++ exited with 0 +++ [pid 8403] +++ exited with 0 +++ [pid 5012] <... openat resumed>) = 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] fstat(3, [pid 5010] lstat("./162/binderfs", [pid 5012] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8403, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] getdents64(3, [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 5010] unlink("./162/binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5011] <... restart_syscall resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5012] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... openat resumed>) = 3 [pid 5012] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] fstat(3, [pid 5012] lstat("./163/binderfs", [pid 5011] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] getdents64(3, [pid 5012] unlink("./163/binderfs" [pid 5011] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5012] <... unlink resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 5009] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] fstat(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] lstat("./161/binderfs", [pid 5011] getdents64(3, [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] <... getdents64 resumed>0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5009] unlink("./161/binderfs" [pid 5011] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... unlink resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 304.760107][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 304.769517][ T28] task:syz-executor573 state:D stack:24736 pid:6010 ppid:5013 flags:0x00004006 [ 304.784627][ T28] Call Trace: [ 304.791160][ T28] [ 304.794219][ T28] __schedule+0x1d15/0x5790 [ 304.799104][ T28] ? mark_lock.part.0+0xee/0x1970 [ 304.804345][ T28] ? io_schedule_timeout+0x150/0x150 [pid 5011] lstat("./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./162/binderfs") = 0 [pid 5011] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556ded620 /* 4 entries */, 32768) = 112 [pid 5008] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./161/binderfs") = 0 [ 304.810069][ T28] ? find_held_lock+0x2d/0x110 [ 304.815170][ T28] ? lock_downgrade+0x690/0x690 [ 304.820468][ T28] ? prepare_to_wait+0x47/0x380 [ 304.825704][ T28] schedule+0xde/0x1a0 [ 304.829924][ T28] bit_wait+0x16/0xe0 [ 304.833976][ T28] __wait_on_bit+0x64/0x180 [ 304.838787][ T28] ? out_of_line_wait_on_bit_timeout+0x170/0x170 [ 304.845252][ T28] __inode_wait_for_writeback+0x153/0x1f0 [ 304.851068][ T28] ? wb_wakeup+0xd0/0xd0 [ 304.855512][ T28] ? rcu_is_watching+0x12/0xb0 [ 304.860329][ T28] ? cpuacct_css_alloc+0x160/0x160 [ 304.865718][ T28] ? lock_acquire+0x32/0xc0 [ 304.870283][ T28] ? inode_wait_for_writeback+0x1e/0x40 [ 304.876077][ T28] inode_wait_for_writeback+0x26/0x40 [ 304.881529][ T28] evict+0x2b7/0x6b0 [ 304.885840][ T28] iput+0x4a7/0x7a0 [ 304.889752][ T28] dentry_unlink_inode+0x2b1/0x460 [ 304.894997][ T28] d_delete+0x16f/0x1c0 [ 304.899468][ T28] xattr_unlink+0x139/0x190 [ 304.904037][ T28] reiserfs_xattr_set_handle+0x7bd/0xb00 [ 304.909929][ T28] ? reiserfs_chown_xattrs+0xa0/0xa0 [ 304.915363][ T28] ? wait_for_completion_io_timeout+0x20/0x20 [ 304.921506][ T28] ? __lock_acquire+0x1916/0x5df0 [ 304.926641][ T28] reiserfs_xattr_set+0x454/0x5b0 [ 304.932077][ T28] ? reiserfs_xattr_set_handle+0xb00/0xb00 [ 304.937986][ T28] ? trusted_set+0xaf/0xd0 [ 304.942468][ T28] ? bpf_lsm_capable+0x9/0x10 [ 304.947265][ T28] ? security_capable+0x93/0xc0 [ 304.952204][ T28] ? trusted_list+0xb0/0xb0 [ 304.956838][ T28] trusted_set+0xa7/0xd0 [ 304.961145][ T28] __vfs_removexattr+0x155/0x1c0 [ 304.966185][ T28] ? __vfs_getxattr+0x1a0/0x1a0 [ 304.971096][ T28] ? evm_inode_removexattr+0x4a/0x60 [ 304.976537][ T28] __vfs_removexattr_locked+0x1b0/0x440 [ 304.982141][ T28] ? vfs_setxattr+0x21e/0x340 [ 304.987040][ T28] vfs_removexattr+0xcf/0x260 [ 304.991766][ T28] ? __vfs_setxattr_locked+0x260/0x260 [ 304.997319][ T28] ? __vfs_removexattr_locked+0x440/0x440 [ 305.003084][ T28] ? up_write+0x1b4/0x520 [ 305.007490][ T28] ? ovl_fill_super+0x6bb7/0x7270 [ 305.012613][ T28] ovl_fill_super+0x6ec5/0x7270 [ 305.017598][ T28] ? kfree+0x10e/0x150 [ 305.021735][ T28] ? ovl_show_options+0x780/0x780 [ 305.026851][ T28] ? wait_for_completion_io_timeout+0x20/0x20 [ 305.033018][ T28] ? do_raw_spin_lock+0x124/0x2b0 [ 305.038139][ T28] ? spin_bug+0x1c0/0x1c0 [ 305.042526][ T28] ? sget+0x128/0x580 [ 305.046589][ T28] ? set_anon_super_fc+0xb0/0xb0 [ 305.051582][ T28] ? ovl_show_options+0x780/0x780 [ 305.056726][ T28] mount_nodev+0x64/0x120 [ 305.061293][ T28] ? ovl_own_xattr_set+0x10/0x10 [ 305.066327][ T28] legacy_get_tree+0x109/0x220 [ 305.071158][ T28] vfs_get_tree+0x8d/0x350 [ 305.075699][ T28] path_mount+0x134b/0x1e40 [ 305.080292][ T28] ? kmem_cache_free+0xe9/0x480 [ 305.085260][ T28] ? finish_automount+0x9b0/0x9b0 [ 305.090376][ T28] ? putname+0x102/0x140 [ 305.094673][ T28] __x64_sys_mount+0x283/0x300 [ 305.099568][ T28] ? copy_mnt_ns+0xb30/0xb30 [ 305.104230][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 305.109586][ T28] ? _raw_spin_unlock_irq+0x2e/0x50 [ 305.114862][ T28] ? ptrace_notify+0xfe/0x140 [ 305.119651][ T28] do_syscall_64+0x39/0xb0 [ 305.124162][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 305.130198][ T28] RIP: 0033:0x7f76b0bd2719 [ 305.134654][ T28] RSP: 002b:00007f76b0b762f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 305.143348][ T28] RAX: ffffffffffffffda RBX: 00007f76b0c50760 RCX: 00007f76b0bd2719 [ 305.151381][ T28] RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000 [ 305.159522][ T28] RBP: 00007f76b0c1d378 R08: 0000000020000480 R09: 0000000000000000 [ 305.167557][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0079616c7265766f [ 305.175637][ T28] R13: d5e172a4510865ec R14: 9837512483e3bdcd R15: 00007f76b0c50768 [ 305.183657][ T28] [ 305.186774][ T28] INFO: task syz-executor573:6023 blocked for more than 144 seconds. [ 305.194897][ T28] Not tainted 6.3.0-next-20230428-syzkaller #0 [ 305.202068][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 305.211060][ T28] task:syz-executor573 state:D stack:28504 pid:6023 ppid:5013 flags:0x00004006 [ 305.220403][ T28] Call Trace: [ 305.223752][ T28] [ 305.227186][ T28] __schedule+0x1d15/0x5790 [ 305.231788][ T28] ? rcu_preempt_deferred_qs_irqrestore+0x57b/0xd60 [ 305.239272][ T28] ? find_held_lock+0x2d/0x110 [ 305.244113][ T28] ? io_schedule_timeout+0x150/0x150 [ 305.249807][ T28] ? mark_held_locks+0x9f/0xe0 [ 305.254632][ T28] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 305.260802][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 305.266266][ T28] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 305.272382][ T28] schedule+0xde/0x1a0 [ 305.276781][ T28] wb_wait_for_completion+0x182/0x240 [ 305.282185][ T28] ? wb_writeback+0xa50/0xa50 [ 305.287260][ T28] ? prepare_to_swait_exclusive+0x240/0x240 [ 305.293213][ T28] ? down_write_killable+0x250/0x250 [ 305.299126][ T28] ? wait_for_completion_io_timeout+0x20/0x20 [ 305.305335][ T28] ? I_BDEV+0xd/0x20 [ 305.309379][ T28] sync_inodes_sb+0x1aa/0xa60 [ 305.314115][ T28] ? try_to_writeback_inodes_sb+0xc0/0xc0 [ 305.319975][ T28] ? get_nr_dirty_inodes+0x60/0x1d0 [ 305.325358][ T28] sync_filesystem.part.0+0xe6/0x1d0 [ 305.330736][ T28] sync_filesystem+0x8f/0xc0 [ 305.335753][ T28] reiserfs_remount+0x129/0x1650 [ 305.340881][ T28] ? finish_unfinished.isra.0+0x1220/0x1220 [ 305.346907][ T28] ? __static_call_return0+0x9/0x10 [ 305.352290][ T28] ? list_lru_count_node+0x14/0x80 [ 305.357520][ T28] ? shrink_dcache_sb+0x1ba/0x360 [ 305.362608][ T28] ? shrink_dentry_list+0x4f0/0x4f0 [ 305.367949][ T28] ? path_mount+0x1401/0x1e40 [ 305.372688][ T28] ? lock_acquire+0x32/0xc0 [ 305.377303][ T28] ? finish_unfinished.isra.0+0x1220/0x1220 [ 305.383263][ T28] legacy_reconfigure+0x119/0x180 [ 305.388491][ T28] reconfigure_super+0x40c/0xa30 [ 305.393497][ T28] ? fs_umode_to_dtype+0xd0/0xd0 [ 305.398528][ T28] path_mount+0x1846/0x1e40 [ 305.403091][ T28] ? kmem_cache_free+0xe9/0x480 [ 305.408034][ T28] ? finish_automount+0x9b0/0x9b0 [ 305.413122][ T28] ? putname+0x102/0x140 [ 305.417658][ T28] __x64_sys_mount+0x283/0x300 [ 305.422493][ T28] ? copy_mnt_ns+0xb30/0xb30 [ 305.427235][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 305.432495][ T28] ? _raw_spin_unlock_irq+0x2e/0x50 [ 305.437770][ T28] ? ptrace_notify+0xfe/0x140 [ 305.442507][ T28] do_syscall_64+0x39/0xb0 [ 305.447051][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 305.453207][ T28] RIP: 0033:0x7f76b0bd3bda [ 305.457702][ T28] RSP: 002b:00007f76a8b55128 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 305.466220][ T28] RAX: ffffffffffffffda RBX: 00007f76a8b556b8 RCX: 00007f76b0bd3bda [ 305.474333][ T28] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 0000000000000000 [ 305.482460][ T28] RBP: 00000000ffffffff R08: 00007f76a8b551c0 R09: 0000000020000000 [ 305.490556][ T28] R10: 0000000001a484bc R11: 0000000000000286 R12: 0000000020000100 [ 305.498739][ T28] R13: 00000000200000c0 R14: 0000000000000000 R15: 00000000200007c0 [ 305.506843][ T28] [ 305.510009][ T28] [ 305.510009][ T28] Showing all locks held in the system: [ 305.522177][ T28] 1 lock held by rcu_tasks_kthre/13: [ 305.527603][ T28] #0: ffffffff8c798df0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 305.549587][ T28] 1 lock held by rcu_tasks_trace/14: [ 305.554964][ T28] #0: ffffffff8c798af0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 305.566829][ T28] 1 lock held by khungtaskd/28: [ 305.571775][ T28] #0: ffffffff8c799a00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x390 [ 305.605124][ T28] 2 locks held by kworker/u4:4/65: [pid 5008] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = 0 [pid 5010] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./162/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5010] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(4, 0x555556df5660 /* 2 entries */, 32768) = 48 [pid 5010] getdents64(4, 0x555556df5660 /* 0 entries */, 32768) = 0 [pid 5010] close(4) = 0 [pid 5010] rmdir("./162/file0") = 0 [pid 5010] getdents64(3, 0x555556ded620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./162") = 0 [pid 5010] mkdir("./163", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5010] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5010] close(3) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dec5d0) = 8420 ./strace-static-x86_64: Process 8420 attached [pid 8420] set_robust_list(0x555556dec5e0, 24) = 0 [pid 8420] chdir("./163") = 0 [pid 8420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8420] setpgid(0, 0) = 0 [pid 8420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8420] write(3, "1000", 4) = 4 [pid 8420] close(3) = 0 [pid 8420] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8420] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f76b0b56000 [pid 8420] mprotect(0x7f76b0b57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8420] clone(child_stack=0x7f76b0b763f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8421], tls=0x7f76b0b76700, child_tidptr=0x7f76b0b769d0) = 8421 [pid 8420] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8420] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8421 attached [pid 8421] set_robust_list(0x7f76b0b769e0, 24) = 0 [pid 8421] memfd_create("syzkaller", 0) = 3 [ 305.610626][ T28] #0: ffff888012ee5938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 [ 305.623637][ T28] #1: ffffc900015a7db0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 [ 305.636030][ T28] 2 locks held by kworker/1:2/758: [ 305.641659][ T28] 2 locks held by udevd/4456: [ 305.646735][ T28] 2 locks held by getty/4761: [ 305.652171][ T28] #0: ffff88802c80a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 [pid 8421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76a8756000 [ 305.663113][ T28] #1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 [ 305.673548][ T28] 1 lock held by syz-executor573/5008: [ 305.679361][ T28] #0: ffff88807a00e0e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: deactivate_super+0xa9/0xd0 [ 305.689813][ T28] 2 locks held by syz-executor573/5009: [ 305.695499][ T28] #0: ffff888027f200e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: deactivate_super+0xa9/0xd0 [ 305.705995][ T28] #1: ffffffff8c7a4e78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3e8/0x770 [pid 8421] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 8421] munmap(0x7f76a8756000, 4194304) = 0 [ 305.717098][ T28] 1 lock held by syz-executor573/5011: [ 305.722758][ T28] #0: ffff88807da940e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: deactivate_super+0xa9/0xd0 [ 305.733273][ T28] 2 locks held by syz-executor573/5012: [ 305.739014][ T28] #0: ffff88802a4940e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: deactivate_super+0xa9/0xd0 [ 305.749683][ T28] #1: ffffffff8c7a4e78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x64a/0x770 [ 305.760925][ T28] 4 locks held by syz-executor573/6010: [pid 8421] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8421] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8421] close(3) = 0 [pid 8421] mkdir("./file0", 0777) = 0 [ 305.766670][ T28] #0: ffff88807c49c0e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 [ 305.771089][ T8421] loop2: detected capacity change from 0 to 8192 [ 305.777062][ T28] #1: ffff88802b028460 (sb_writers#10){.+.+}-{0:0}, at: ovl_fill_super+0x1c5e/0x7270 [ 305.790540][ T8421] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 305.793224][ T28] #2: ffff888077f782e0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_removexattr+0xbb/0x260 [ 305.806763][ T8421] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 305.817115][ T28] #3: ffff888077f7f380 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: reiserfs_xattr_set_handle+0x72c/0xb00 [ 305.838150][ T28] 2 locks held by syz-executor573/6023: [ 305.843862][ T28] #0: ffff88802b0280e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: path_mount+0x1401/0x1e40 [ 305.844197][ T8421] REISERFS (device loop2): using ordered data mode [ 305.854471][ T28] #1: ffff8881417907d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x190/0xa60 [ 305.861172][ T8421] reiserfs: using flush barriers [ 305.871413][ T28] 5 locks held by syz-executor573/8421: [ 305.877775][ T8421] 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 [ 305.897957][ T28] [ 305.897970][ T28] ============================================= [ 305.897970][ T28] [ 305.897984][ T28] NMI backtrace for cpu 1 [ 305.901063][ T8421] REISERFS (device loop2): checking transaction log (loop2) [ 305.909071][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.3.0-next-20230428-syzkaller #0 [ 305.909104][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 305.909123][ T28] Call Trace: [ 305.909132][ T28] [ 305.909144][ T28] dump_stack_lvl+0xd9/0x150 [ 305.909273][ T28] nmi_cpu_backtrace+0x29c/0x350 [ 305.909321][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 305.914895][ T8421] REISERFS (device loop2): Using r5 hash to sort names [ 305.921296][ T28] nmi_trigger_cpumask_backtrace+0x2a4/0x300 [ 305.921349][ T28] watchdog+0xe16/0x1090 [ 305.931063][ T8421] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 305.940771][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 305.944179][ T8421] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 305.947036][ T28] kthread+0x344/0x440 [ 305.947081][ T28] ? kthread_complete_and_exit+0x40/0x40 [pid 8421] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "") = 0 [pid 8421] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8421] chdir("./file0") = 0 [pid 8421] ioctl(4, LOOP_CLR_FD) = 0 [pid 8421] close(4) = 0 [pid 8421] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 305.947130][ T28] ret_from_fork+0x1f/0x30 [ 306.020992][ T28] [ 306.024276][ T28] Sending NMI from CPU 1 to CPUs 0: [ 306.029572][ C0] NMI backtrace for cpu 0 [ 306.029587][ C0] CPU: 0 PID: 5004 Comm: strace-static-x Not tainted 6.3.0-next-20230428-syzkaller #0 [ 306.029616][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 306.029632][ C0] RIP: 0010:lock_release+0x3b9/0x670 [ 306.029681][ C0] Code: 74 0c 3c 03 7f 08 4c 89 ef e8 93 22 71 00 45 89 f0 44 2b 44 24 40 45 39 87 c0 0a 00 00 0f 85 8e 01 00 00 48 c7 c7 e0 72 4c 8a 42 fd a8 08 b8 ff ff ff ff 65 0f c1 05 55 87 9c 7e 83 f8 01 0f [ 306.029708][ C0] RSP: 0000:ffffc9000396f4f0 EFLAGS: 00000046 [ 306.029729][ C0] RAX: 0000000000000001 RBX: 1a9d56bbb2326a9a RCX: ffffc9000396f540 [ 306.029747][ C0] RDX: 1ffff110050248c7 RSI: 0000000000000000 RDI: ffffffff8a4c72e0 [ 306.029765][ C0] RBP: 1ffff9200072dea0 R08: 0000000000000001 R09: ffffffff8e7a8d17 [ 306.029784][ C0] R10: fffffbfff1cf51a2 R11: 0000000000000001 R12: 0000000000000001 [ 306.029801][ C0] R13: ffff888028124640 R14: 0000000000000002 R15: ffff888028123b80 [ 306.029819][ C0] FS: 00000000024e13c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 306.029847][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 306.029866][ C0] CR2: 00007f76b0b77000 CR3: 000000002740c000 CR4: 00000000003506f0 [ 306.029884][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 306.029900][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 306.029917][ C0] Call Trace: [ 306.029923][ C0] [ 306.029932][ C0] ? nf_hook.constprop.0+0x424/0x710 [ 306.030057][ C0] ? lock_downgrade+0x690/0x690 [ 306.030104][ C0] ? trace_lock_acquire+0x12d/0x180 [ 306.030142][ C0] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 306.030188][ C0] ? nf_hook_slow+0xfd/0x1f0 [ 306.030271][ C0] nf_hook.constprop.0+0x446/0x710 [ 306.030316][ C0] ? ip_protocol_deliver_rcu+0x480/0x480 [ 306.030367][ C0] ? inet_del_offload+0x50/0x50 [ 306.030413][ C0] ? ip_protocol_deliver_rcu+0x480/0x480 [ 306.030463][ C0] ip_local_deliver+0x176/0x200 [ 306.030509][ C0] ip_sublist_rcv_finish+0x9a/0x2c0 [ 306.030556][ C0] ip_list_rcv_finish.constprop.0+0x4f9/0x6c0 [ 306.030608][ C0] ? ip_rcv_finish_core.constprop.0+0x2180/0x2180 [ 306.030655][ C0] ? ip_list_rcv_finish.constprop.0+0x6c0/0x6c0 [ 306.030707][ C0] ip_list_rcv+0x347/0x4a0 [ 306.030732][ C0] ? lock_downgrade+0x690/0x690 [ 306.030775][ C0] ? ip_rcv+0xd0/0xd0 [ 306.030799][ C0] ? find_held_lock+0x2d/0x110 [ 306.030835][ C0] ? ip_rcv+0xd0/0xd0 [ 306.030857][ C0] __netif_receive_skb_list_core+0x548/0x8f0 [ 306.030919][ C0] ? process_backlog+0x6d0/0x6d0 [ 306.030950][ C0] ? rcu_is_watching+0x12/0xb0 [ 306.030979][ C0] ? lockdep_hardirqs_on+0x7d/0x100 [ 306.031024][ C0] ? netif_receive_skb_list_internal+0x31c/0xdc0 [ 306.031057][ C0] ? lock_acquire+0x32/0xc0 [ 306.031102][ C0] ? netif_receive_skb_list_internal+0x31c/0xdc0 [ 306.031139][ C0] netif_receive_skb_list_internal+0x75f/0xdc0 [ 306.031176][ C0] ? do_xdp_generic+0x1b0/0x1b0 [ 306.031206][ C0] ? virtnet_restore+0x460/0x460 [ 306.031264][ C0] ? skb_release_data+0x59d/0x820 [ 306.031338][ C0] ? detach_buf_split+0x54f/0x720 [ 306.031395][ C0] napi_complete_done+0x243/0x9a0 [ 306.031428][ C0] ? napi_busy_loop+0x920/0x920 [ 306.031458][ C0] ? lock_acquire+0x32/0xc0 [ 306.031502][ C0] virtnet_poll+0xe2b/0x14b0 [ 306.031546][ C0] ? receive_buf+0x61b0/0x61b0 [ 306.031593][ C0] ? __lock_task_sighand+0xd4/0x340 [ 306.031628][ C0] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 306.031675][ C0] __napi_poll+0xb3/0x520 [ 306.031704][ C0] ? net_rx_action+0x271/0xd00 [ 306.031736][ C0] net_rx_action+0x8e4/0xd00 [ 306.031772][ C0] ? napi_threaded_poll+0x7e0/0x7e0 [ 306.031804][ C0] ? prepare_to_wait+0x380/0x380 [ 306.031846][ C0] ? kvm_clock_read+0x14/0x30 [ 306.031892][ C0] __do_softirq+0x1d4/0x905 [ 306.031926][ C0] __irq_exit_rcu+0x114/0x190 [ 306.031962][ C0] irq_exit_rcu+0x9/0x20 [ 306.031998][ C0] common_interrupt+0x56/0xd0 [ 306.032034][ C0] asm_common_interrupt+0x26/0x40 [ 306.032067][ C0] RIP: 0033:0x4b9b5d [ 306.032090][ C0] Code: 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 89 f8 48 89 fa c5 f9 ef c0 25 ff 0f 00 00 3d e0 0f 00 00 0f 87 27 01 00 00 c5 fd 74 0f fd d7 c1 85 c0 74 5b f3 0f bc c0 e9 30 01 00 00 66 90 f3 0f bc [ 306.032117][ C0] RSP: 002b:00007ffccb40a668 EFLAGS: 00000283 [ 306.032137][ C0] RAX: 0000000000000a41 RBX: 0000000000553a41 RCX: 000000000000005d [pid 8421] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8420] <... futex resumed>) = 0 [pid 8420] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8421] <... futex resumed>) = 0 [pid 8421] mkdir("./file1", 000) = 0 [pid 8421] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8421] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8420] <... futex resumed>) = 1 [pid 8420] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8420] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8421] <... futex resumed>) = 0 [pid 8421] mkdir("./bus", 000) = 0 [pid 8421] futex(0x7f76b0c5076c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8421] futex(0x7f76b0c50768, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8420] <... futex resumed>) = 1 [pid 8420] futex(0x7f76b0c5076c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8420] futex(0x7f76b0c50768, FUTEX_WAKE_PRIVATE, 1000000 [pid 8421] <... futex resumed>) = 0 [pid 8421] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,nfs_export=on," [pid 8420] <... futex resumed>) = 1 [ 306.032154][ C0] RDX: 0000000000553a41 RSI: 000000000063f460 RDI: 0000000000553a41 [ 306.032171][ C0] RBP: 000000000063f460 R08: 0000000000000001 R09: 00000000000020e5 [ 306.032189][ C0] R10: 0000000000000000 R11: 000000000000000a R12: 0000000000553a41 [ 306.032206][ C0] R13: 000000000000857f R14: 00000000024e3610 R15: 000000000063f160 [ 306.032232][ C0] [ 306.514131][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 306.521055][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.3.0-next-20230428-syzkaller #0 [ 306.523916][ T8421] overlayfs: upper fs needs to support d_type. [ 306.523960][ T8421] overlayfs: upper fs does not support tmpfile. [ 306.524535][ T8421] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 306.526137][ T8421] overlayfs: failed to resolve './file0': -2 [ 306.555427][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 306.565531][ T28] Call Trace: [ 306.568852][ T28] [ 306.571826][ T28] dump_stack_lvl+0xd9/0x150 [ 306.578133][ T28] panic+0x686/0x730 [ 306.582277][ T28] ? panic_smp_self_stop+0xa0/0xa0 [ 306.587474][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 306.592818][ T28] ? preempt_schedule_thunk+0x1a/0x20 [ 306.598274][ T28] ? watchdog+0xbe8/0x1090 [ 306.602782][ T28] watchdog+0xbf9/0x1090 [ 306.607216][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 306.613297][ T28] kthread+0x344/0x440 [ 306.617528][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 306.623890][ T28] ret_from_fork+0x1f/0x30 [ 306.628401][ T28] [ 306.631628][ T28] Kernel Offset: disabled [ 306.635991][ T28] Rebooting in 86400 seconds..