./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3704341949 <...> Warning: Permanently added '10.128.1.163' (ED25519) to the list of known hosts. execve("./syz-executor3704341949", ["./syz-executor3704341949"], 0x7ffeec37ce00 /* 10 vars */) = 0 brk(NULL) = 0x55557662e000 brk(0x55557662ed00) = 0x55557662ed00 arch_prctl(ARCH_SET_FS, 0x55557662e380) = 0 set_tid_address(0x55557662e650) = 5817 set_robust_list(0x55557662e660, 24) = 0 rseq(0x55557662eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3704341949", 4096) = 28 getrandom("\x66\xe0\xec\x0b\x4f\xc1\x18\xcc", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557662ed00 brk(0x55557664fd00) = 0x55557664fd00 brk(0x555576650000) = 0x555576650000 mprotect(0x7ff0c2572000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 mkdir("./syzkaller.19SFl4", 0700) = 0 chmod("./syzkaller.19SFl4", 0777) = 0 chdir("./syzkaller.19SFl4") = 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 5819 attached [pid 5819] set_robust_list(0x55557662e660, 24 [pid 5817] <... clone resumed>, child_tidptr=0x55557662e650) = 5819 [pid 5819] <... set_robust_list resumed>) = 0 [pid 5819] chdir("./0") = 0 [pid 5819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5819] setpgid(0, 0) = 0 [pid 5819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1000", 4) = 4 [pid 5819] close(3) = 0 [pid 5819] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5819] write(1, "executing program\n", 18executing program ) = 18 [pid 5819] memfd_create("syzkaller", 0) = 3 [pid 5819] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0ba000000 [pid 5819] 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 5819] munmap(0x7ff0ba000000, 138412032) = 0 [pid 5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5819] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5819] close(3) = 0 [pid 5819] close(4) = 0 [pid 5819] mkdir("./file1", 0777) = 0 syzkaller login: [ 59.341383][ T5819] loop0: detected capacity change from 0 to 32768 [ 59.374135][ T5819] ======================================================= [ 59.374135][ T5819] WARNING: The mand mount option has been deprecated and [pid 5819] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,nouser_xattr,errors=remount-ro,data=writeback,localalloc=00000000000000000001,acl"...) = 0 [pid 5819] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5819] chdir("./file1") = 0 [pid 5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 59.374135][ T5819] and is ignored by this kernel. Remove the mand [ 59.374135][ T5819] option from the mount to silence this warning. [ 59.374135][ T5819] ======================================================= [ 59.426496][ T5819] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [pid 5819] mkdir("./file0", 000) = 0 [pid 5819] mount(NULL, "./file0", "proc", 0, NULL) = 0 [pid 5819] exit_group(0) = ? [pid 5819] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5819, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=14 /* 0.14 s */} --- 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, 0x55557662f6f0 /* 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 umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0755, st_size=312, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=312, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555576637730 /* 4 entries */, 32768) = 112 umount2("./0/file1/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file1/lost+found", {st_mode=000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 59.575604][ T5817] (syz-executor370,5817,0):ocfs2_query_inode_wipe:937 ERROR: Inode 17057 (on-disk 17057) not orphaned! Disk flags 0x1, inode flags 0x0 [ 59.589680][ T5817] (syz-executor370,5817,0):ocfs2_delete_inode:1068 ERROR: status = -17 [ 59.600015][ T5817] (syz-executor370,5817,1):ocfs2_query_inode_wipe:937 ERROR: Inode 17057 (on-disk 17057) not orphaned! Disk flags 0x1, inode flags 0x0 [ 59.614043][ T5817] (syz-executor370,5817,1):ocfs2_delete_inode:1068 ERROR: status = -17 [ 59.625189][ T5817] ------------[ cut here ]------------ [ 59.630732][ T5817] WARNING: CPU: 1 PID: 5817 at fs/inode.c:407 drop_nlink+0xc4/0x110 [ 59.638820][ T5817] Modules linked in: [ 59.642750][ T5817] CPU: 1 UID: 0 PID: 5817 Comm: syz-executor370 Not tainted 6.13.0-rc6-syzkaller-00130-g2144da25584e #0 [ 59.653927][ T5817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 59.664040][ T5817] RIP: 0010:drop_nlink+0xc4/0x110 [ 59.669080][ T5817] Code: bb 70 07 00 00 be 08 00 00 00 e8 97 37 e7 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 3d 5c 83 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff [ 59.688727][ T5817] RSP: 0018:ffffc90003e278f0 EFLAGS: 00010293 [ 59.694851][ T5817] RAX: ffffffff821c1793 RBX: 1ffff1100e6a4118 RCX: ffff88802e633c00 [ 59.702811][ T5817] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.710821][ T5817] RBP: 0000000000000000 R08: ffffffff821c1713 R09: 1ffff1100e68bfa2 [ 59.718834][ T5817] R10: dffffc0000000000 R11: ffffed100e68bfa3 R12: ffff8880735208c0 [ 59.726838][ T5817] R13: 1ffff920007c4f34 R14: ffff888073520878 R15: dffffc0000000000 [ 59.734846][ T5817] FS: 000055557662e380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 59.743810][ T5817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.750400][ T5817] CR2: 00007ffc5bb41ed8 CR3: 0000000079324000 CR4: 00000000003526f0 [ 59.758411][ T5817] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.766420][ T5817] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.774434][ T5817] Call Trace: [ 59.777720][ T5817] [ 59.780640][ T5817] ? __warn+0x165/0x4d0 [ 59.784853][ T5817] ? drop_nlink+0xc4/0x110 [ 59.789299][ T5817] ? report_bug+0x2b3/0x500 [ 59.793860][ T5817] ? drop_nlink+0xc4/0x110 [ 59.798295][ T5817] ? handle_bug+0x60/0x90 [ 59.802612][ T5817] ? exc_invalid_op+0x1a/0x50 [ 59.807319][ T5817] ? asm_exc_invalid_op+0x1a/0x20 [ 59.812364][ T5817] ? drop_nlink+0x43/0x110 [ 59.816828][ T5817] ? drop_nlink+0xc3/0x110 [ 59.821260][ T5817] ? drop_nlink+0xc4/0x110 [ 59.825723][ T5817] ocfs2_unlink+0xf62/0x1c80 [ 59.830339][ T5817] ? __pfx_ocfs2_unlink+0x10/0x10 [ 59.835416][ T5817] ? __pfx_lock_acquire+0x10/0x10 [ 59.840450][ T5817] ? __lock_acquire+0x1397/0x2100 [ 59.845513][ T5817] ? smack_log+0x123/0x540 [ 59.849959][ T5817] ? smk_access+0x4ab/0x4e0 [ 59.854509][ T5817] ? smk_tskacc+0x300/0x370 [ 59.859033][ T5817] ? smack_inode_unlink+0x2f3/0x3b0 [ 59.864276][ T5817] ? __pfx_smack_inode_unlink+0x10/0x10 [ 59.869837][ T5817] ? HAS_UNMAPPED_ID+0xf9/0x150 [ 59.874740][ T5817] ? down_write+0x18c/0x220 [ 59.879253][ T5817] ? __pfx_down_write+0x10/0x10 [ 59.884145][ T5817] ? bpf_lsm_inode_unlink+0x9/0x10 [ 59.889263][ T5817] ? security_inode_unlink+0xd9/0x340 [ 59.894685][ T5817] vfs_unlink+0x365/0x650 [ 59.899031][ T5817] do_unlinkat+0x4ae/0x830 [ 59.903506][ T5817] ? __pfx_do_unlinkat+0x10/0x10 [ 59.908461][ T5817] ? __check_object_size+0x47a/0x730 [ 59.913835][ T5817] ? __might_fault+0xc6/0x120 [ 59.918541][ T5817] ? strncpy_from_user+0x152/0x270 [ 59.923707][ T5817] ? getname_flags+0x1e3/0x540 [ 59.928483][ T5817] __x64_sys_unlink+0x47/0x50 [ 59.933157][ T5817] do_syscall_64+0xf3/0x230 [ 59.937708][ T5817] ? clear_bhb_loop+0x35/0x90 [ 59.942397][ T5817] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.948332][ T5817] RIP: 0033:0x7ff0c24f9cd7 [ 59.952769][ T5817] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 59.972424][ T5817] RSP: 002b:00007ffc5bb42688 EFLAGS: 00000287 ORIG_RAX: 0000000000000057 [ 59.980882][ T5817] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff0c24f9cd7 [ 59.988891][ T5817] RDX: 00007ffc5bb426b0 RSI: 00007ffc5bb42740 RDI: 00007ffc5bb42740 [ 59.996892][ T5817] RBP: 00007ffc5bb42740 R08: 0000000000000000 R09: 0000000000000000 [ 60.004896][ T5817] R10: 0000000000000100 R11: 0000000000000287 R12: 00007ffc5bb43830 [ 60.012890][ T5817] R13: 0000555576637700 R14: 431bde82d7b634db R15: 00007ffc5bb448c0 [ 60.020917][ T5817] [ 60.023980][ T5817] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 60.031243][ T5817] CPU: 1 UID: 0 PID: 5817 Comm: syz-executor370 Not tainted 6.13.0-rc6-syzkaller-00130-g2144da25584e #0 [ 60.042331][ T5817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 60.052371][ T5817] Call Trace: [ 60.055637][ T5817] [ 60.058549][ T5817] dump_stack_lvl+0x241/0x360 [ 60.063215][ T5817] ? __pfx_dump_stack_lvl+0x10/0x10 [ 60.068398][ T5817] ? __pfx__printk+0x10/0x10 [ 60.072977][ T5817] ? vscnprintf+0x5d/0x90 [ 60.077296][ T5817] panic+0x349/0x880 [ 60.081178][ T5817] ? __warn+0x174/0x4d0 [ 60.085323][ T5817] ? __pfx_panic+0x10/0x10 [ 60.089751][ T5817] __warn+0x344/0x4d0 [ 60.093727][ T5817] ? drop_nlink+0xc4/0x110 [ 60.098142][ T5817] report_bug+0x2b3/0x500 [ 60.102463][ T5817] ? drop_nlink+0xc4/0x110 [ 60.106877][ T5817] handle_bug+0x60/0x90 [ 60.111021][ T5817] exc_invalid_op+0x1a/0x50 [ 60.115517][ T5817] asm_exc_invalid_op+0x1a/0x20 [ 60.120363][ T5817] RIP: 0010:drop_nlink+0xc4/0x110 [ 60.125384][ T5817] Code: bb 70 07 00 00 be 08 00 00 00 e8 97 37 e7 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 3d 5c 83 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff [ 60.144982][ T5817] RSP: 0018:ffffc90003e278f0 EFLAGS: 00010293 [ 60.151044][ T5817] RAX: ffffffff821c1793 RBX: 1ffff1100e6a4118 RCX: ffff88802e633c00 [ 60.159004][ T5817] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 60.166960][ T5817] RBP: 0000000000000000 R08: ffffffff821c1713 R09: 1ffff1100e68bfa2 [ 60.174919][ T5817] R10: dffffc0000000000 R11: ffffed100e68bfa3 R12: ffff8880735208c0 [ 60.182877][ T5817] R13: 1ffff920007c4f34 R14: ffff888073520878 R15: dffffc0000000000 [ 60.190847][ T5817] ? drop_nlink+0x43/0x110 [ 60.195263][ T5817] ? drop_nlink+0xc3/0x110 [ 60.199682][ T5817] ocfs2_unlink+0xf62/0x1c80 [ 60.204273][ T5817] ? __pfx_ocfs2_unlink+0x10/0x10 [ 60.209287][ T5817] ? __pfx_lock_acquire+0x10/0x10 [ 60.214306][ T5817] ? __lock_acquire+0x1397/0x2100 [ 60.219323][ T5817] ? smack_log+0x123/0x540 [ 60.223741][ T5817] ? smk_access+0x4ab/0x4e0 [ 60.228241][ T5817] ? smk_tskacc+0x300/0x370 [ 60.232742][ T5817] ? smack_inode_unlink+0x2f3/0x3b0 [ 60.237942][ T5817] ? __pfx_smack_inode_unlink+0x10/0x10 [ 60.243480][ T5817] ? HAS_UNMAPPED_ID+0xf9/0x150 [ 60.248334][ T5817] ? down_write+0x18c/0x220 [ 60.252825][ T5817] ? __pfx_down_write+0x10/0x10 [ 60.257669][ T5817] ? bpf_lsm_inode_unlink+0x9/0x10 [ 60.262768][ T5817] ? security_inode_unlink+0xd9/0x340 [ 60.268137][ T5817] vfs_unlink+0x365/0x650 [ 60.272463][ T5817] do_unlinkat+0x4ae/0x830 [ 60.276882][ T5817] ? __pfx_do_unlinkat+0x10/0x10 [ 60.281810][ T5817] ? __check_object_size+0x47a/0x730 [ 60.287088][ T5817] ? __might_fault+0xc6/0x120 [ 60.291762][ T5817] ? strncpy_from_user+0x152/0x270 [ 60.296870][ T5817] ? getname_flags+0x1e3/0x540 [ 60.301624][ T5817] __x64_sys_unlink+0x47/0x50 [ 60.306294][ T5817] do_syscall_64+0xf3/0x230 [ 60.310795][ T5817] ? clear_bhb_loop+0x35/0x90 [ 60.315476][ T5817] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.321366][ T5817] RIP: 0033:0x7ff0c24f9cd7 [ 60.325773][ T5817] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 60.345377][ T5817] RSP: 002b:00007ffc5bb42688 EFLAGS: 00000287 ORIG_RAX: 0000000000000057 [ 60.353788][ T5817] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff0c24f9cd7 [ 60.361752][ T5817] RDX: 00007ffc5bb426b0 RSI: 00007ffc5bb42740 RDI: 00007ffc5bb42740 [ 60.369719][ T5817] RBP: 00007ffc5bb42740 R08: 0000000000000000 R09: 0000000000000000 [ 60.377685][ T5817] R10: 0000000000000100 R11: 0000000000000287 R12: 00007ffc5bb43830 [ 60.385666][ T5817] R13: 0000555576637700 R14: 431bde82d7b634db R15: 00007ffc5bb448c0 [ 60.393650][ T5817] [ 60.396904][ T5817] Kernel Offset: disabled [ 60.401263][ T5817] Rebooting in 86400 seconds..