./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1222382358 <...> Warning: Permanently added '10.128.10.24' (ED25519) to the list of known hosts. execve("./syz-executor1222382358", ["./syz-executor1222382358"], 0x7ffcb29e5080 /* 10 vars */) = 0 brk(NULL) = 0x55555723c000 brk(0x55555723cd00) = 0x55555723cd00 arch_prctl(ARCH_SET_FS, 0x55555723c380) = 0 set_tid_address(0x55555723c650) = 5825 set_robust_list(0x55555723c660, 24) = 0 rseq(0x55555723cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1222382358", 4096) = 28 getrandom("\x1d\xf5\xbb\xe9\x59\x0b\x58\xf2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555723cd00 brk(0x55555725dd00) = 0x55555725dd00 brk(0x55555725e000) = 0x55555725e000 mprotect(0x7fe4ec3cf000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 mkdir("./syzkaller.3b5ky2", 0700) = 0 chmod("./syzkaller.3b5ky2", 0777) = 0 chdir("./syzkaller.3b5ky2") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5827 attached [pid 5827] set_robust_list(0x55555723c660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55555723c650) = 5827 [pid 5827] <... set_robust_list resumed>) = 0 [pid 5827] chdir("./0") = 0 [pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5827] setpgid(0, 0) = 0 [pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1000", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5827] write(1, "executing program\n", 18) = 18 [pid 5827] memfd_create("syzkaller", 0) = 3 [pid 5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5827] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5827] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5827] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5827] close(3) = 0 [pid 5827] close(4) = 0 [pid 5827] mkdir("./file0", 0777) = 0 [ 71.933020][ T5827] loop0: detected capacity change from 0 to 32768 [ 71.958588][ T5827] (syz-executor122,5827,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 71.974308][ T5827] (syz-executor122,5827,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 71.997028][ T5827] JBD2: Ignoring recovery information on journal [pid 5827] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5827] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5827] chdir("./file0") = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5827] exit_group(0) = ? [pid 5827] +++ exited with 0 +++ [ 72.028678][ T5827] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 72.044233][ T547] ocfs2: Finishing quota recovery on device (7,0) for slot 0 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5827, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=17 /* 0.17 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 [ 72.189436][ T5825] [ 72.191795][ T5825] ====================================================== [ 72.198789][ T5825] WARNING: possible circular locking dependency detected [ 72.205804][ T5825] 6.14.0-syzkaller-12456-gacc4d5ff0b61 #0 Not tainted [ 72.212539][ T5825] ------------------------------------------------------ [ 72.219533][ T5825] syz-executor122/5825 is trying to acquire lock: [ 72.225929][ T5825] ffff888031cf2948 ((wq_completion)ocfs2_wq){+.+.}-{0:0}, at: touch_wq_lockdep_map+0xb1/0x170 [ 72.236189][ T5825] [ 72.236189][ T5825] but task is already holding lock: [ 72.243531][ T5825] ffff88807d0fe0e0 (&type->s_umount_key#43){++++}-{4:4}, at: deactivate_super+0xb5/0xf0 [ 72.253264][ T5825] [ 72.253264][ T5825] which lock already depends on the new lock. [ 72.253264][ T5825] [ 72.263749][ T5825] [ 72.263749][ T5825] the existing dependency chain (in reverse order) is: [ 72.272745][ T5825] [ 72.272745][ T5825] -> #2 (&type->s_umount_key#43){++++}-{4:4}: [ 72.280986][ T5825] lock_acquire+0x116/0x2f0 [ 72.285992][ T5825] down_read+0xb3/0xa50 [ 72.290662][ T5825] ocfs2_finish_quota_recovery+0x15e/0x2310 [ 72.297077][ T5825] ocfs2_complete_recovery+0x1977/0x2580 [ 72.303212][ T5825] process_scheduled_works+0xac3/0x18e0 [ 72.309275][ T5825] worker_thread+0x870/0xd50 [ 72.314362][ T5825] kthread+0x7b7/0x940 [ 72.318928][ T5825] ret_from_fork+0x4b/0x80 [ 72.323840][ T5825] ret_from_fork_asm+0x1a/0x30 [ 72.329106][ T5825] [ 72.329106][ T5825] -> #1 ((work_completion)(&journal->j_recovery_work)){+.+.}-{0:0}: [ 72.339245][ T5825] lock_acquire+0x116/0x2f0 [ 72.344245][ T5825] process_scheduled_works+0x9e9/0x18e0 [ 72.350288][ T5825] worker_thread+0x870/0xd50 [ 72.355375][ T5825] kthread+0x7b7/0x940 [ 72.359943][ T5825] ret_from_fork+0x4b/0x80 [ 72.364853][ T5825] ret_from_fork_asm+0x1a/0x30 [ 72.370120][ T5825] [ 72.370120][ T5825] -> #0 ((wq_completion)ocfs2_wq){+.+.}-{0:0}: [ 72.378434][ T5825] validate_chain+0xa69/0x24e0 [ 72.383697][ T5825] __lock_acquire+0xad5/0xd80 [ 72.388872][ T5825] lock_acquire+0x116/0x2f0 [ 72.393870][ T5825] touch_wq_lockdep_map+0xc7/0x170 [ 72.399477][ T5825] __flush_workqueue+0x14c/0x1280 [ 72.404997][ T5825] ocfs2_shutdown_local_alloc+0x10b/0xab0 [ 72.411217][ T5825] ocfs2_dismount_volume+0x204/0x910 [ 72.417001][ T5825] generic_shutdown_super+0x139/0x2d0 [ 72.422890][ T5825] kill_block_super+0x44/0x90 [ 72.428078][ T5825] deactivate_locked_super+0xc4/0x130 [ 72.433948][ T5825] cleanup_mnt+0x422/0x4c0 [ 72.438865][ T5825] task_work_run+0x251/0x310 [ 72.443956][ T5825] ptrace_notify+0x2dc/0x390 [ 72.449106][ T5825] syscall_exit_work+0xc7/0x1d0 [ 72.454463][ T5825] syscall_exit_to_user_mode+0x24a/0x340 [ 72.460603][ T5825] do_syscall_64+0x100/0x230 [ 72.465695][ T5825] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.472086][ T5825] [ 72.472086][ T5825] other info that might help us debug this: [ 72.472086][ T5825] [ 72.482293][ T5825] Chain exists of: [ 72.482293][ T5825] (wq_completion)ocfs2_wq --> (work_completion)(&journal->j_recovery_work) --> &type->s_umount_key#43 [ 72.482293][ T5825] [ 72.499130][ T5825] Possible unsafe locking scenario: [ 72.499130][ T5825] [ 72.506553][ T5825] CPU0 CPU1 [ 72.511893][ T5825] ---- ---- [ 72.517264][ T5825] lock(&type->s_umount_key#43); [ 72.522284][ T5825] lock((work_completion)(&journal->j_recovery_work)); [ 72.531722][ T5825] lock(&type->s_umount_key#43); [ 72.539268][ T5825] lock((wq_completion)ocfs2_wq); [ 72.544357][ T5825] [ 72.544357][ T5825] *** DEADLOCK *** [ 72.544357][ T5825] [ 72.552493][ T5825] 1 lock held by syz-executor122/5825: [ 72.557926][ T5825] #0: ffff88807d0fe0e0 (&type->s_umount_key#43){++++}-{4:4}, at: deactivate_super+0xb5/0xf0 [ 72.568085][ T5825] [ 72.568085][ T5825] stack backtrace: [ 72.573970][ T5825] CPU: 0 UID: 0 PID: 5825 Comm: syz-executor122 Not tainted 6.14.0-syzkaller-12456-gacc4d5ff0b61 #0 PREEMPT(full) [ 72.573993][ T5825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 72.574007][ T5825] Call Trace: [ 72.574013][ T5825] [ 72.574018][ T5825] dump_stack_lvl+0x241/0x360 [ 72.574037][ T5825] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.574049][ T5825] ? __pfx__printk+0x10/0x10 [ 72.574060][ T5825] ? print_lock+0x171/0x1a0 [ 72.574070][ T5825] print_circular_bug+0x2e1/0x300 [ 72.574082][ T5825] check_noncircular+0x142/0x160 [ 72.574094][ T5825] validate_chain+0xa69/0x24e0 [ 72.574104][ T5825] ? _raw_spin_unlock_irqrestore+0xde/0x140 [ 72.574118][ T5825] ? dquot_disable+0x1158/0x1cf0 [ 72.574130][ T5825] ? ocfs2_disable_quotas+0x1bc/0x210 [ 72.574139][ T5825] ? kill_block_super+0x44/0x90 [ 72.574153][ T5825] ? debug_object_assert_init+0x30e/0x4d0 [ 72.574168][ T5825] __lock_acquire+0xad5/0xd80 [ 72.574178][ T5825] lock_acquire+0x116/0x2f0 [ 72.574186][ T5825] ? touch_wq_lockdep_map+0xb1/0x170 [ 72.574198][ T5825] ? touch_wq_lockdep_map+0xb1/0x170 [ 72.574208][ T5825] touch_wq_lockdep_map+0xc7/0x170 [ 72.574218][ T5825] ? touch_wq_lockdep_map+0xb1/0x170 [ 72.574228][ T5825] __flush_workqueue+0x14c/0x1280 [ 72.574238][ T5825] ? kfree+0x198/0x430 [ 72.574246][ T5825] ? ocfs2_local_free_info+0x8ba/0xa60 [ 72.574259][ T5825] ? __pfx___flush_workqueue+0x10/0x10 [ 72.574272][ T5825] ? work_grab_pending+0x4d6/0xb00 [ 72.574283][ T5825] ocfs2_shutdown_local_alloc+0x10b/0xab0 [ 72.574298][ T5825] ? __pfx_work_grab_pending+0x10/0x10 [ 72.574309][ T5825] ? __pfx_ocfs2_shutdown_local_alloc+0x10/0x10 [ 72.574322][ T5825] ? lockdep_hardirqs_on+0x9d/0x150 [ 72.574337][ T5825] ? enable_work+0x2e4/0x360 [ 72.574348][ T5825] ? __pfx_enable_work+0x10/0x10 [ 72.574359][ T5825] ? _atomic_dec_and_lock+0x9a/0x130 [ 72.574368][ T5825] ? iput+0x3be/0xa50 [ 72.574379][ T5825] ocfs2_dismount_volume+0x204/0x910 [ 72.574394][ T5825] ? __pfx_ocfs2_dismount_volume+0x10/0x10 [ 72.574407][ T5825] ? __pfx_evict_inodes+0x10/0x10 [ 72.574417][ T5825] ? __pfx_ocfs2_put_super+0x10/0x10 [ 72.574430][ T5825] generic_shutdown_super+0x139/0x2d0 [ 72.574442][ T5825] kill_block_super+0x44/0x90 [ 72.574455][ T5825] deactivate_locked_super+0xc4/0x130 [ 72.574467][ T5825] cleanup_mnt+0x422/0x4c0 [ 72.574478][ T5825] ? lockdep_hardirqs_on+0x9d/0x150 [ 72.574491][ T5825] task_work_run+0x251/0x310 [ 72.574506][ T5825] ? __pfx_task_work_run+0x10/0x10 [ 72.574518][ T5825] ? path_umount+0x251/0xfb0 [ 72.574526][ T5825] ptrace_notify+0x2dc/0x390 [ 72.574540][ T5825] ? __x64_sys_umount+0x122/0x170 [ 72.574547][ T5825] ? user_path_at+0x44/0x60 [ 72.574558][ T5825] ? __pfx_ptrace_notify+0x10/0x10 [ 72.574570][ T5825] ? kmem_cache_free+0x197/0x410 [ 72.574585][ T5825] ? __x64_sys_umount+0x122/0x170 [ 72.574594][ T5825] syscall_exit_work+0xc7/0x1d0 [ 72.574604][ T5825] syscall_exit_to_user_mode+0x24a/0x340 [ 72.574614][ T5825] do_syscall_64+0x100/0x230 [ 72.574623][ T5825] ? clear_bhb_loop+0x45/0xa0 [ 72.574633][ T5825] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.574642][ T5825] RIP: 0033:0x7fe4ec358487 [ 72.574655][ T5825] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 72.574662][ T5825] RSP: 002b:00007ffc1d991628 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 72.574673][ T5825] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe4ec358487 [ 72.574679][ T5825] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc1d9916e0 [ 72.574684][ T5825] RBP: 00007ffc1d9916e0 R08: 0000000000000000 R09: 0000000000000000 [ 72.574690][ T5825] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc1d992750 umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./0/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./0") = 0 mkdir("./1", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 72.574696][ T5825] R13: 000055555723d6c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 72.574705][ T5825] [ 72.952319][ T5825] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5830 attached [pid 5830] set_robust_list(0x55555723c660, 24) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x55555723c650) = 5830 [pid 5830] chdir("./1") = 0 [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] setpgid(0, 0) = 0 [pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1000", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5830] write(1, "executing program\n", 18executing program ) = 18 [pid 5830] memfd_create("syzkaller", 0) = 3 [pid 5830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5830] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5830] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5830] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5830] close(3) = 0 [pid 5830] close(4) = 0 [pid 5830] mkdir("./file0", 0777) = 0 [ 73.111865][ T5830] loop0: detected capacity change from 0 to 32768 [ 73.123329][ T5830] (syz-executor122,5830,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 73.137510][ T5830] (syz-executor122,5830,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [pid 5830] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5830] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5830] chdir("./file0") = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5830] exit_group(0) = ? [pid 5830] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5830, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./1/binderfs") = 0 [ 73.165601][ T5830] JBD2: Ignoring recovery information on journal [ 73.184860][ T5830] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 73.196129][ T547] ocfs2: Finishing quota recovery on device (7,0) for slot 0 umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./1/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./1") = 0 mkdir("./2", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 73.216071][ T5825] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5833 attached , child_tidptr=0x55555723c650) = 5833 [pid 5833] set_robust_list(0x55555723c660, 24) = 0 [pid 5833] chdir("./2") = 0 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] setpgid(0, 0) = 0 [pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1000", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5833] write(1, "executing program\n", 18executing program ) = 18 [pid 5833] memfd_create("syzkaller", 0) = 3 [pid 5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5833] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5833] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5833] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5833] close(3) = 0 [pid 5833] close(4) = 0 [pid 5833] mkdir("./file0", 0777) = 0 [ 73.373523][ T5833] loop0: detected capacity change from 0 to 32768 [ 73.397377][ T5833] (syz-executor122,5833,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [pid 5833] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5833] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5833] chdir("./file0") = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] exit_group(0) = ? [ 73.411741][ T5833] (syz-executor122,5833,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 73.430975][ T5833] JBD2: Ignoring recovery information on journal [ 73.447522][ T5833] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 73.458627][ T36] ocfs2: Finishing quota recovery on device (7,0) for slot 0 [pid 5833] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./2/binderfs") = 0 umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./2/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./2") = 0 mkdir("./3", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5836 attached [ 73.620601][ T5825] ocfs2: Unmounting device (7,0) on (node local) [pid 5836] set_robust_list(0x55555723c660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55555723c650) = 5836 [pid 5836] <... set_robust_list resumed>) = 0 [pid 5836] chdir("./3") = 0 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5836] setpgid(0, 0) = 0 [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5836] write(3, "1000", 4) = 4 [pid 5836] close(3) = 0 [pid 5836] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5836] write(1, "executing program\n", 18executing program ) = 18 [pid 5836] memfd_create("syzkaller", 0) = 3 [pid 5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5836] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5836] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5836] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5836] close(3) = 0 [pid 5836] close(4) = 0 [pid 5836] mkdir("./file0", 0777) = 0 [ 73.861343][ T5836] loop0: detected capacity change from 0 to 32768 [ 73.902947][ T5836] (syz-executor122,5836,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 73.918647][ T5836] (syz-executor122,5836,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 73.936378][ T5836] JBD2: Ignoring recovery information on journal [pid 5836] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5836] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5836] chdir("./file0") = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5836] exit_group(0) = ? [pid 5836] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 73.955855][ T5836] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 73.968243][ T547] ocfs2: Finishing quota recovery on device (7,0) for slot 0 umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./3/binderfs") = 0 umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./3/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./3") = 0 mkdir("./4", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 [ 74.131250][ T5825] ocfs2: Unmounting device (7,0) on (node local) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5839 attached , child_tidptr=0x55555723c650) = 5839 [pid 5839] set_robust_list(0x55555723c660, 24) = 0 [pid 5839] chdir("./4") = 0 [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5839] setpgid(0, 0) = 0 [pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1000", 4) = 4 [pid 5839] close(3) = 0 [pid 5839] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5839] write(1, "executing program\n", 18) = 18 [pid 5839] memfd_create("syzkaller", 0) = 3 [pid 5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5839] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5839] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5839] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5839] close(3) = 0 [pid 5839] close(4) = 0 [pid 5839] mkdir("./file0", 0777) = 0 [ 74.369132][ T5839] loop0: detected capacity change from 0 to 32768 [ 74.408986][ T5839] (syz-executor122,5839,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 74.423006][ T5839] (syz-executor122,5839,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 74.442242][ T5839] JBD2: Ignoring recovery information on journal [ 74.460594][ T5839] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5839] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5839] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5839] chdir("./file0") = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5839] exit_group(0) = ? [pid 5839] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./4/binderfs") = 0 umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./4/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./4") = 0 mkdir("./5", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 74.471609][ T36] ocfs2: Finishing quota recovery on device (7,0) for slot 0 [ 74.501172][ T5825] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5842 attached [pid 5842] set_robust_list(0x55555723c660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55555723c650) = 5842 [pid 5842] <... set_robust_list resumed>) = 0 [pid 5842] chdir("./5") = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] setpgid(0, 0) = 0 [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1000", 4) = 4 [pid 5842] close(3) = 0 [pid 5842] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5842] write(1, "executing program\n", 18) = 18 [pid 5842] memfd_create("syzkaller", 0) = 3 [pid 5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5842] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5842] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5842] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5842] close(3) = 0 [pid 5842] close(4) = 0 [pid 5842] mkdir("./file0", 0777) = 0 [ 74.733952][ T5842] loop0: detected capacity change from 0 to 32768 [ 74.763498][ T5842] (syz-executor122,5842,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [pid 5842] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5842] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5842] chdir("./file0") = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5842] exit_group(0) = ? [pid 5842] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 74.777771][ T5842] (syz-executor122,5842,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 74.795761][ T5842] JBD2: Ignoring recovery information on journal [ 74.813407][ T5842] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 74.824408][ T547] ocfs2: Finishing quota recovery on device (7,0) for slot 0 umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./5/binderfs") = 0 umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 74.971861][ T5825] ocfs2: Unmounting device (7,0) on (node local) newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./5/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./5") = 0 mkdir("./6", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5845 attached , child_tidptr=0x55555723c650) = 5845 [pid 5845] set_robust_list(0x55555723c660, 24) = 0 [pid 5845] chdir("./6") = 0 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5845] setpgid(0, 0) = 0 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "1000", 4) = 4 [pid 5845] close(3) = 0 [pid 5845] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5845] write(1, "executing program\n", 18executing program ) = 18 [pid 5845] memfd_create("syzkaller", 0) = 3 [pid 5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5845] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5845] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5845] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5845] close(3) = 0 [pid 5845] close(4) = 0 [pid 5845] mkdir("./file0", 0777) = 0 [ 75.338867][ T5845] loop0: detected capacity change from 0 to 32768 [ 75.362794][ T5845] (syz-executor122,5845,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [pid 5845] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5845] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5845] chdir("./file0") = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5845] exit_group(0) = ? [pid 5845] +++ exited with 0 +++ [ 75.376777][ T5845] (syz-executor122,5845,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 75.394558][ T5845] JBD2: Ignoring recovery information on journal [ 75.411738][ T5845] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 75.422732][ T547] ocfs2: Finishing quota recovery on device (7,0) for slot 0 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} --- umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./6/binderfs") = 0 umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./6/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./6") = 0 mkdir("./7", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 75.608787][ T5825] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5848 attached [pid 5848] set_robust_list(0x55555723c660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55555723c650) = 5848 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5848] chdir("./7") = 0 [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5848] setpgid(0, 0) = 0 [pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "1000", 4) = 4 [pid 5848] close(3) = 0 [pid 5848] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5848] write(1, "executing program\n", 18) = 18 [pid 5848] memfd_create("syzkaller", 0) = 3 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5848] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5848] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5848] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5848] close(3) = 0 [pid 5848] close(4) = 0 [pid 5848] mkdir("./file0", 0777) = 0 [ 75.830963][ T5848] loop0: detected capacity change from 0 to 32768 [ 75.853473][ T5848] (syz-executor122,5848,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 75.867512][ T5848] (syz-executor122,5848,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [pid 5848] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5848] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5848] chdir("./file0") = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5848] exit_group(0) = ? [pid 5848] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./7/binderfs") = 0 [ 75.885682][ T5848] JBD2: Ignoring recovery information on journal [ 75.905528][ T5848] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 75.916573][ T2943] ocfs2: Finishing quota recovery on device (7,0) for slot 0 umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./7/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./7/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./7") = 0 mkdir("./8", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 75.941504][ T5825] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5851 attached [pid 5851] set_robust_list(0x55555723c660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55555723c650) = 5851 [pid 5851] <... set_robust_list resumed>) = 0 [pid 5851] chdir("./8") = 0 [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5851] setpgid(0, 0) = 0 [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5851] write(3, "1000", 4) = 4 [pid 5851] close(3) = 0 [pid 5851] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5851] write(1, "executing program\n", 18) = 18 [pid 5851] memfd_create("syzkaller", 0) = 3 [pid 5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5851] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5851] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5851] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5851] close(3) = 0 [pid 5851] close(4) = 0 [pid 5851] mkdir("./file0", 0777) = 0 [ 76.143501][ T5851] loop0: detected capacity change from 0 to 32768 [ 76.166207][ T5851] (syz-executor122,5851,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [pid 5851] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5851] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5851] chdir("./file0") = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5851] exit_group(0) = ? [pid 5851] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./8/binderfs") = 0 [ 76.180638][ T5851] (syz-executor122,5851,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 76.199106][ T5851] JBD2: Ignoring recovery information on journal [ 76.217711][ T5851] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 76.228978][ T2943] ocfs2: Finishing quota recovery on device (7,0) for slot 0 umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./8/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./8") = 0 mkdir("./9", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 76.255870][ T5825] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached [pid 5854] set_robust_list(0x55555723c660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55555723c650) = 5854 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5854] chdir("./9") = 0 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5854] setpgid(0, 0) = 0 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5854] write(3, "1000", 4) = 4 [pid 5854] close(3) = 0 [pid 5854] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5854] write(1, "executing program\n", 18executing program ) = 18 [pid 5854] memfd_create("syzkaller", 0) = 3 [pid 5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5854] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5854] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5854] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5854] close(3) = 0 [pid 5854] close(4) = 0 [pid 5854] mkdir("./file0", 0777) = 0 [ 76.508716][ T5854] loop0: detected capacity change from 0 to 32768 [ 76.549006][ T5854] (syz-executor122,5854,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 76.563306][ T5854] (syz-executor122,5854,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 76.581945][ T5854] JBD2: Ignoring recovery information on journal [pid 5854] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5854] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5854] chdir("./file0") = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5854] exit_group(0) = ? [pid 5854] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./9/binderfs") = 0 [ 76.599604][ T5854] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 76.610746][ T547] ocfs2: Finishing quota recovery on device (7,0) for slot 0 umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./9/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./9") = 0 mkdir("./10", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 76.652150][ T5825] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5857 attached [pid 5857] set_robust_list(0x55555723c660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55555723c650) = 5857 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5857] chdir("./10") = 0 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5857] setpgid(0, 0) = 0 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] write(3, "1000", 4) = 4 [pid 5857] close(3) = 0 [pid 5857] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5857] write(1, "executing program\n", 18) = 18 [pid 5857] memfd_create("syzkaller", 0) = 3 [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5857] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5857] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5857] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5857] close(3) = 0 [pid 5857] close(4) = 0 [pid 5857] mkdir("./file0", 0777) = 0 [ 76.931249][ T5857] loop0: detected capacity change from 0 to 32768 [ 76.969203][ T5857] (syz-executor122,5857,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 76.983668][ T5857] (syz-executor122,5857,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 77.002299][ T5857] JBD2: Ignoring recovery information on journal [ 77.019586][ T5857] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5857] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5857] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5857] chdir("./file0") = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5857] exit_group(0) = ? [pid 5857] +++ exited with 0 +++ [ 77.030674][ T2943] ocfs2: Finishing quota recovery on device (7,0) for slot 0 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./10/binderfs") = 0 umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 [ 77.239668][ T5825] ocfs2: Unmounting device (7,0) on (node local) getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./10/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./10") = 0 mkdir("./11", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5860 attached [pid 5860] set_robust_list(0x55555723c660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55555723c650) = 5860 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5860] chdir("./11") = 0 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5860] setpgid(0, 0) = 0 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5860] write(3, "1000", 4) = 4 [pid 5860] close(3) = 0 [pid 5860] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5860] write(1, "executing program\n", 18) = 18 [pid 5860] memfd_create("syzkaller", 0) = 3 [pid 5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5860] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5860] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5860] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5860] close(3) = 0 [pid 5860] close(4) = 0 [pid 5860] mkdir("./file0", 0777) = 0 [ 77.623258][ T5860] loop0: detected capacity change from 0 to 32768 [ 77.648774][ T5860] (syz-executor122,5860,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [pid 5860] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5860] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5860] chdir("./file0") = 0 [pid 5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5860] exit_group(0) = ? [pid 5860] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./11/binderfs") = 0 [ 77.662806][ T5860] (syz-executor122,5860,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 77.680556][ T5860] JBD2: Ignoring recovery information on journal [ 77.698677][ T5860] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 77.709908][ T2943] ocfs2: Finishing quota recovery on device (7,0) for slot 0 umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./11/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./11/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./11") = 0 mkdir("./12", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 [ 77.736655][ T5825] ocfs2: Unmounting device (7,0) on (node local) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5863 attached [pid 5863] set_robust_list(0x55555723c660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55555723c650) = 5863 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5863] chdir("./12") = 0 [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5863] setpgid(0, 0) = 0 [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5863] write(3, "1000", 4) = 4 [pid 5863] close(3) = 0 [pid 5863] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5863] write(1, "executing program\n", 18executing program ) = 18 [pid 5863] memfd_create("syzkaller", 0) = 3 [pid 5863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5863] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5863] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5863] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5863] close(3) = 0 [pid 5863] close(4) = 0 [pid 5863] mkdir("./file0", 0777) = 0 [ 77.981176][ T5863] loop0: detected capacity change from 0 to 32768 [ 78.025706][ T5863] (syz-executor122,5863,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 78.039897][ T5863] (syz-executor122,5863,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 78.057657][ T5863] JBD2: Ignoring recovery information on journal [pid 5863] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5863] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5863] chdir("./file0") = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5863] exit_group(0) = ? [pid 5863] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [ 78.075854][ T5863] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 78.087571][ T2943] ocfs2: Finishing quota recovery on device (7,0) for slot 0 restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./12/binderfs") = 0 umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./12/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./12/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./12") = 0 mkdir("./13", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 78.225965][ T5825] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5866 attached [pid 5866] set_robust_list(0x55555723c660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55555723c650) = 5866 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5866] chdir("./13") = 0 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5866] setpgid(0, 0) = 0 [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] write(3, "1000", 4) = 4 [pid 5866] close(3) = 0 [pid 5866] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5866] write(1, "executing program\n", 18) = 18 [pid 5866] memfd_create("syzkaller", 0) = 3 [pid 5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5866] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5866] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5866] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5866] close(3) = 0 [pid 5866] close(4) = 0 [pid 5866] mkdir("./file0", 0777) = 0 [ 78.443202][ T5866] loop0: detected capacity change from 0 to 32768 [ 78.486169][ T5866] (syz-executor122,5866,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 78.500208][ T5866] (syz-executor122,5866,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 78.518022][ T5866] JBD2: Ignoring recovery information on journal [pid 5866] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5866] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5866] chdir("./file0") = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5866] exit_group(0) = ? [ 78.534604][ T5866] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 78.545927][ T36] ocfs2: Finishing quota recovery on device (7,0) for slot 0 [pid 5866] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./13/binderfs") = 0 umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./13/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./13/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./13") = 0 mkdir("./14", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 78.716400][ T5825] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5869 attached , child_tidptr=0x55555723c650) = 5869 [pid 5869] set_robust_list(0x55555723c660, 24) = 0 [pid 5869] chdir("./14") = 0 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5869] setpgid(0, 0) = 0 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5869] write(3, "1000", 4) = 4 [pid 5869] close(3) = 0 [pid 5869] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5869] write(1, "executing program\n", 18executing program ) = 18 [pid 5869] memfd_create("syzkaller", 0) = 3 [pid 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5869] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5869] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5869] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5869] close(3) = 0 [pid 5869] close(4) = 0 [pid 5869] mkdir("./file0", 0777) = 0 [ 78.978011][ T5869] loop0: detected capacity change from 0 to 32768 [ 79.006872][ T5869] (syz-executor122,5869,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [pid 5869] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5869] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5869] chdir("./file0") = 0 [pid 5869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5869] exit_group(0) = ? [pid 5869] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=10 /* 0.10 s */} --- [ 79.020831][ T5869] (syz-executor122,5869,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 79.039058][ T5869] JBD2: Ignoring recovery information on journal [ 79.057159][ T5869] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 79.068351][ T547] ocfs2: Finishing quota recovery on device (7,0) for slot 0 restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./14/binderfs") = 0 umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./14/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./14/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./14") = 0 mkdir("./15", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 [ 79.216986][ T5825] ocfs2: Unmounting device (7,0) on (node local) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723c650) = 5872 ./strace-static-x86_64: Process 5872 attached [pid 5872] set_robust_list(0x55555723c660, 24) = 0 [pid 5872] chdir("./15") = 0 [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5872] setpgid(0, 0) = 0 [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5872] write(3, "1000", 4) = 4 [pid 5872] close(3) = 0 [pid 5872] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5872] write(1, "executing program\n", 18) = 18 [pid 5872] memfd_create("syzkaller", 0) = 3 [pid 5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5872] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5872] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5872] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5872] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5872] close(3) = 0 [pid 5872] close(4) = 0 [pid 5872] mkdir("./file0", 0777) = 0 [ 79.460946][ T5872] loop0: detected capacity change from 0 to 32768 [ 79.485790][ T5872] (syz-executor122,5872,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [pid 5872] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5872] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5872] chdir("./file0") = 0 [pid 5872] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5872] exit_group(0) = ? [pid 5872] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 79.499935][ T5872] (syz-executor122,5872,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 79.518403][ T5872] JBD2: Ignoring recovery information on journal [ 79.536022][ T5872] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 79.547410][ T547] ocfs2: Finishing quota recovery on device (7,0) for slot 0 umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./15/binderfs") = 0 umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./15/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./15/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./15") = 0 mkdir("./16", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 79.708321][ T5825] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5875 attached [pid 5875] set_robust_list(0x55555723c660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55555723c650) = 5875 [pid 5875] <... set_robust_list resumed>) = 0 [pid 5875] chdir("./16") = 0 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5875] setpgid(0, 0) = 0 [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "1000", 4) = 4 [pid 5875] close(3) = 0 [pid 5875] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5875] write(1, "executing program\n", 18) = 18 [pid 5875] memfd_create("syzkaller", 0) = 3 [pid 5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5875] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5875] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5875] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5875] close(3) = 0 [pid 5875] close(4) = 0 [pid 5875] mkdir("./file0", 0777) = 0 [ 79.923584][ T5875] loop0: detected capacity change from 0 to 32768 [ 79.947347][ T5875] (syz-executor122,5875,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [pid 5875] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5875] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5875] chdir("./file0") = 0 [pid 5875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5875] exit_group(0) = ? [pid 5875] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 [ 79.961467][ T5875] (syz-executor122,5875,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 79.980077][ T5875] JBD2: Ignoring recovery information on journal [ 79.997156][ T5875] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 80.008977][ T547] ocfs2: Finishing quota recovery on device (7,0) for slot 0 umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./16/binderfs") = 0 umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./16/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./16/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./16") = 0 mkdir("./17", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 80.105574][ T5825] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5878 attached [pid 5878] set_robust_list(0x55555723c660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55555723c650) = 5878 [pid 5878] <... set_robust_list resumed>) = 0 [pid 5878] chdir("./17") = 0 [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5878] setpgid(0, 0) = 0 [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5878] write(3, "1000", 4) = 4 [pid 5878] close(3) = 0 [pid 5878] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5878] write(1, "executing program\n", 18executing program ) = 18 [pid 5878] memfd_create("syzkaller", 0) = 3 [pid 5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5878] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5878] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5878] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5878] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5878] close(3) = 0 [pid 5878] close(4) = 0 [pid 5878] mkdir("./file0", 0777) = 0 [ 80.338742][ T5878] loop0: detected capacity change from 0 to 32768 [pid 5878] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [ 80.376669][ T5878] (syz-executor122,5878,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 80.390934][ T5878] (syz-executor122,5878,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 80.409733][ T5878] JBD2: Ignoring recovery information on journal [ 80.427543][ T5878] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5878] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5878] chdir("./file0") = 0 [pid 5878] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5878] exit_group(0) = ? [pid 5878] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 80.438874][ T2943] ocfs2: Finishing quota recovery on device (7,0) for slot 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./17/binderfs") = 0 umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./17/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./17/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./17") = 0 mkdir("./18", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 80.585928][ T5825] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5881 attached [pid 5881] set_robust_list(0x55555723c660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55555723c650) = 5881 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5881] chdir("./18") = 0 [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5881] setpgid(0, 0) = 0 [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5881] write(3, "1000", 4) = 4 [pid 5881] close(3) = 0 [pid 5881] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5881] write(1, "executing program\n", 18) = 18 [pid 5881] memfd_create("syzkaller", 0) = 3 [pid 5881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5881] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5881] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5881] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5881] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5881] close(3) = 0 [pid 5881] close(4) = 0 [pid 5881] mkdir("./file0", 0777) = 0 [ 80.820240][ T5881] loop0: detected capacity change from 0 to 32768 [ 80.854373][ T5881] (syz-executor122,5881,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [pid 5881] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [ 80.868785][ T5881] (syz-executor122,5881,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 80.886759][ T5881] JBD2: Ignoring recovery information on journal [ 80.904225][ T5881] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5881] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5881] chdir("./file0") = 0 [pid 5881] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5881] exit_group(0) = ? [pid 5881] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [ 80.915463][ T2943] ocfs2: Finishing quota recovery on device (7,0) for slot 0 restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./18/binderfs") = 0 umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./18/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./18/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./18") = 0 mkdir("./19", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 81.073287][ T5825] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5884 attached , child_tidptr=0x55555723c650) = 5884 [pid 5884] set_robust_list(0x55555723c660, 24) = 0 [pid 5884] chdir("./19") = 0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5884] setpgid(0, 0) = 0 [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5884] write(3, "1000", 4) = 4 [pid 5884] close(3) = 0 [pid 5884] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5884] write(1, "executing program\n", 18executing program ) = 18 [pid 5884] memfd_create("syzkaller", 0) = 3 [pid 5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5884] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5884] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5884] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5884] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5884] close(3) = 0 [pid 5884] close(4) = 0 [pid 5884] mkdir("./file0", 0777) = 0 [ 81.327344][ T5884] loop0: detected capacity change from 0 to 32768 [ 81.363191][ T5884] (syz-executor122,5884,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 81.377269][ T5884] (syz-executor122,5884,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 81.394891][ T5884] JBD2: Ignoring recovery information on journal [ 81.413080][ T5884] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5884] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5884] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5884] chdir("./file0") = 0 [pid 5884] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5884] exit_group(0) = ? [pid 5884] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./19/binderfs") = 0 [ 81.424189][ T2943] ocfs2: Finishing quota recovery on device (7,0) for slot 0 umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./19/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./19/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./19") = 0 mkdir("./20", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5887 attached [ 81.451072][ T5825] ocfs2: Unmounting device (7,0) on (node local) [pid 5887] set_robust_list(0x55555723c660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55555723c650) = 5887 [pid 5887] <... set_robust_list resumed>) = 0 [pid 5887] chdir("./20") = 0 [pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5887] setpgid(0, 0) = 0 [pid 5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5887] write(3, "1000", 4) = 4 [pid 5887] close(3) = 0 [pid 5887] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5887] write(1, "executing program\n", 18) = 18 [pid 5887] memfd_create("syzkaller", 0) = 3 [pid 5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5887] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5887] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5887] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5887] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5887] close(3) = 0 [pid 5887] close(4) = 0 [pid 5887] mkdir("./file0", 0777) = 0 [ 81.692960][ T5887] loop0: detected capacity change from 0 to 32768 [ 81.728248][ T5887] (syz-executor122,5887,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 81.743326][ T5887] (syz-executor122,5887,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 81.772133][ T5887] JBD2: Ignoring recovery information on journal [pid 5887] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5887] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5887] chdir("./file0") = 0 [pid 5887] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5887] exit_group(0) = ? [pid 5887] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555723d6f0 /* 4 entries */, 32768) = 112 [ 81.797191][ T5887] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 81.808382][ T36] ocfs2: Finishing quota recovery on device (7,0) for slot 0 umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./20/binderfs") = 0 umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./20/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555557245730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555557245730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./20/file0") = 0 getdents64(3, 0x55555723d6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./20") = 0 mkdir("./21", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 81.914661][ T5825] ocfs2: Unmounting device (7,0) on (node local) ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5890 attached , child_tidptr=0x55555723c650) = 5890 [pid 5890] set_robust_list(0x55555723c660, 24) = 0 [pid 5890] chdir("./21") = 0 [pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5890] setpgid(0, 0) = 0 [pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5890] write(3, "1000", 4) = 4 [pid 5890] close(3) = 0 [pid 5890] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5890] write(1, "executing program\n", 18) = 18 [pid 5890] memfd_create("syzkaller", 0) = 3 [pid 5890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe4e3e00000 [pid 5890] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5890] munmap(0x7fe4e3e00000, 138412032) = 0 [pid 5890] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4