./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor71327963 <...> Warning: Permanently added '10.128.1.106' (ED25519) to the list of known hosts. execve("./syz-executor71327963", ["./syz-executor71327963"], 0x7ffec50c2910 /* 10 vars */) = 0 brk(NULL) = 0x5555734d5000 brk(0x5555734d5d00) = 0x5555734d5d00 arch_prctl(ARCH_SET_FS, 0x5555734d5380) = 0 set_tid_address(0x5555734d5650) = 5827 set_robust_list(0x5555734d5660, 24) = 0 rseq(0x5555734d5ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor71327963", 4096) = 26 getrandom("\x7b\xde\xdc\x89\xb8\x63\xbd\x6e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555734d5d00 brk(0x5555734f6d00) = 0x5555734f6d00 brk(0x5555734f7000) = 0x5555734f7000 mprotect(0x7f0048521000, 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, 0executing program ) = 0x200001000000 write(1, "executing program\n", 18) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0040000000 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 munmap(0x7f0040000000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file1", 0777) = 0 [ 90.688302][ T5827] loop0: detected capacity change from 0 to 32768 [ 90.715091][ T5827] ======================================================= [ 90.715091][ T5827] WARNING: The mand mount option has been deprecated and [ 90.715091][ T5827] and is ignored by this kernel. Remove the mand [ 90.715091][ T5827] option from the mount to silence this warning. [ 90.715091][ T5827] ======================================================= [ 90.767346][ T5827] (syz-executor713,5827,0):ocfs2_read_locked_inode:550 ERROR: bug expression: !!(fe->i_flags & cpu_to_le32(OCFS2_SYSTEM_FL)) != !!(args->fi_flags & OCFS2_FI_FLAG_SYSFILE) [ 90.785822][ T5827] (syz-executor713,5827,0):ocfs2_read_locked_inode:550 ERROR: Inode 72: system file state is ambiguous [ 90.799575][ T5827] ------------[ cut here ]------------ [ 90.805169][ T5827] kernel BUG at fs/ocfs2/inode.c:550! [ 90.810642][ T5827] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 90.816919][ T5827] CPU: 0 UID: 0 PID: 5827 Comm: syz-executor713 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(full) [ 90.827709][ T5827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 90.838242][ T5827] RIP: 0010:ocfs2_iget+0x19a3/0x1a90 [ 90.843610][ T5827] Code: bc 24 60 01 00 00 4c 8b 84 24 a0 01 00 00 4c 89 f7 48 c7 c6 9f ef b5 8d ba 26 02 00 00 48 c7 c1 20 68 ca 8b e8 0e 30 15 00 90 <0f> 0b e8 86 52 24 fe 90 0f 0b e8 7e 52 24 fe 31 f6 65 ff 0d 85 b6 [ 90.865110][ T5827] RSP: 0018:ffffc900041eee60 EFLAGS: 00010246 [ 90.871196][ T5827] RAX: 542c47e6c1ced200 RBX: ffffc900041eefa0 RCX: 542c47e6c1ced200 [ 90.879262][ T5827] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 90.887674][ T5827] RBP: ffffc900041ef0d0 R08: ffffc900041eea27 R09: 1ffff9200083dd44 [ 90.895656][ T5827] R10: dffffc0000000000 R11: fffff5200083dd45 R12: ffff88807235b02c [ 90.903634][ T5827] R13: 1ffff9200083ddd4 R14: ffffc900041eefc0 R15: 1000000000000000 [ 90.911619][ T5827] FS: 00005555734d5380(0000) GS:ffff888125c85000(0000) knlGS:0000000000000000 [ 90.920559][ T5827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.927150][ T5827] CR2: 000055ca5baafdb8 CR3: 0000000034888000 CR4: 00000000003526f0 [ 90.935129][ T5827] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 90.943107][ T5827] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 90.951084][ T5827] Call Trace: [ 90.954373][ T5827] [ 90.957316][ T5827] ? __pfx_ocfs2_iget+0x10/0x10 [ 90.963361][ T5827] ? format_decode+0x5a3/0xe30 [ 90.968858][ T5827] ? vsnprintf+0xe11/0xf00 [ 90.973298][ T5827] ? __brelse+0x59/0xa0 [ 90.977495][ T5827] ? ocfs2_lookup_ino_from_name+0xcb/0x100 [ 90.983347][ T5827] ocfs2_get_system_file_inode+0x37a/0x7d0 [ 90.989182][ T5827] ? __pfx_ocfs2_get_system_file_inode+0x10/0x10 [ 90.995528][ T5827] ? ocfs2_find_slot+0x6cf/0xc30 [ 91.000499][ T5827] ? __pfx_ocfs2_find_slot+0x10/0x10 [ 91.005822][ T5827] ocfs2_fill_super+0x419d/0x63d0 [ 91.010864][ T5827] ? unwind_next_frame+0xa5/0x2390 [ 91.016013][ T5827] ? rcu_is_watching+0x15/0xb0 [ 91.020816][ T5827] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 91.026207][ T5827] ? unwind_next_frame+0xa5/0x2390 [ 91.031513][ T5827] ? rcu_is_watching+0x15/0xb0 [ 91.036346][ T5827] ? __kasan_check_byte+0x12/0x40 [ 91.041408][ T5827] ? is_bpf_text_address+0x26/0x2b0 [ 91.046630][ T5827] ? rcu_is_watching+0x15/0xb0 [ 91.051426][ T5827] ? __kasan_check_byte+0x12/0x40 [ 91.056470][ T5827] ? rcu_is_watching+0x15/0xb0 [ 91.061258][ T5827] ? lock_release+0x4b/0x3e0 [ 91.065896][ T5827] ? lock_release+0x4b/0x3e0 [ 91.070607][ T5827] ? unwind_next_frame+0xa5/0x2390 [ 91.075761][ T5827] ? rcu_is_watching+0x15/0xb0 [ 91.080557][ T5827] ? __kasan_check_byte+0x12/0x40 [ 91.085601][ T5827] ? unwind_next_frame+0xa5/0x2390 [ 91.090735][ T5827] ? unwind_next_frame+0xa5/0x2390 [ 91.095954][ T5827] ? rcu_is_watching+0x15/0xb0 [ 91.100732][ T5827] ? __kasan_check_byte+0x12/0x40 [ 91.105766][ T5827] ? is_bpf_text_address+0x26/0x2b0 [ 91.110981][ T5827] ? rcu_is_watching+0x15/0xb0 [ 91.115756][ T5827] ? __kasan_check_byte+0x12/0x40 [ 91.120796][ T5827] ? rcu_is_watching+0x15/0xb0 [ 91.125574][ T5827] ? lock_release+0x4b/0x3e0 [ 91.130202][ T5827] ? lock_release+0x4b/0x3e0 [ 91.134814][ T5827] ? is_bpf_text_address+0x292/0x2b0 [ 91.140114][ T5827] ? is_bpf_text_address+0x26/0x2b0 [ 91.145328][ T5827] ? kernel_text_address+0xa5/0xe0 [ 91.150449][ T5827] ? __kernel_text_address+0xd/0x40 [ 91.155664][ T5827] ? unwind_get_return_address+0x4d/0x90 [ 91.161309][ T5827] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 91.167514][ T5827] ? arch_stack_walk+0xfc/0x150 [ 91.172388][ T5827] ? __bfs+0x154/0x2a0 [ 91.176477][ T5827] ? __pfx_hlock_conflict+0x10/0x10 [ 91.181692][ T5827] ? __bfs+0x154/0x2a0 [ 91.185774][ T5827] ? __pfx_hlock_conflict+0x10/0x10 [ 91.191077][ T5827] ? check_path+0x21/0x40 [ 91.195421][ T5827] ? check_noncircular+0xe0/0x160 [ 91.200468][ T5827] ? lockdep_unlock+0x89/0x120 [ 91.205259][ T5827] ? validate_chain+0x897/0x2140 [ 91.210345][ T5827] ? __lock_acquire+0xab9/0xd20 [ 91.215310][ T5827] ? __mutex_trylock_common+0x153/0x260 [ 91.220880][ T5827] ? string+0x279/0x2b0 [ 91.225046][ T5827] ? widen_string+0x3b/0x2a0 [ 91.229656][ T5827] ? string+0x279/0x2b0 [ 91.233826][ T5827] ? bdev_name+0x2ce/0x430 [ 91.238257][ T5827] ? rcu_is_watching+0x15/0xb0 [ 91.243073][ T5827] ? pointer+0x5f2/0x1190 [ 91.247412][ T5827] ? __pfx_pointer+0x10/0x10 [ 91.252012][ T5827] ? bdev_open+0x91d/0xd30 [ 91.256442][ T5827] ? format_decode+0x5ee/0xe30 [ 91.261227][ T5827] ? snprintf+0xda/0x120 [ 91.265486][ T5827] ? __pfx_snprintf+0x10/0x10 [ 91.270171][ T5827] ? set_blocksize+0x21e/0x500 [ 91.274954][ T5827] ? sb_set_blocksize+0x104/0x180 [ 91.279991][ T5827] ? setup_bdev_super+0x4c1/0x5b0 [ 91.285046][ T5827] get_tree_bdev_flags+0x40b/0x4d0 [ 91.290287][ T5827] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 91.295702][ T5827] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 91.301361][ T5827] ? cap_capable+0x11f/0x460 [ 91.305976][ T5827] ? ocfs2_init_fs_context+0x65/0x260 [ 91.311362][ T5827] ? safesetid_security_capable+0xa9/0x1a0 [ 91.317199][ T5827] vfs_get_tree+0x92/0x2b0 [ 91.321632][ T5827] do_new_mount+0x24a/0xa40 [ 91.326156][ T5827] __se_sys_mount+0x317/0x410 [ 91.330854][ T5827] ? __pfx___se_sys_mount+0x10/0x10 [ 91.336067][ T5827] ? rcu_is_watching+0x15/0xb0 [ 91.340855][ T5827] ? __x64_sys_mount+0x20/0xc0 [ 91.345637][ T5827] do_syscall_64+0xfa/0x3b0 [ 91.350159][ T5827] ? lockdep_hardirqs_on+0x9c/0x150 [ 91.355403][ T5827] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.361835][ T5827] ? clear_bhb_loop+0x60/0xb0 [ 91.366548][ T5827] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.372453][ T5827] RIP: 0033:0x7f00484ab97a [ 91.376905][ T5827] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 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 [ 91.396523][ T5827] RSP: 002b:00007fff20f75c68 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 91.405294][ T5827] RAX: ffffffffffffffda RBX: 00007fff20f75c80 RCX: 00007f00484ab97a [ 91.413276][ T5827] RDX: 0000200000004440 RSI: 0000200000000040 RDI: 00007fff20f75c80 [ 91.421256][ T5827] RBP: 0000200000000040 R08: 00007fff20f75cc0 R09: 0000000000004448 [ 91.429506][ T5827] R10: 00000000000008c0 R11: 0000000000000282 R12: 0000200000004440 [ 91.437527][ T5827] R13: 00007fff20f75cc0 R14: 0000000000000003 R15: 00000000000008c0 [ 91.445610][ T5827] [ 91.448652][ T5827] Modules linked in: [ 91.452723][ T5827] ---[ end trace 0000000000000000 ]--- [ 91.458571][ T5827] RIP: 0010:ocfs2_iget+0x19a3/0x1a90 [ 91.463985][ T5827] Code: bc 24 60 01 00 00 4c 8b 84 24 a0 01 00 00 4c 89 f7 48 c7 c6 9f ef b5 8d ba 26 02 00 00 48 c7 c1 20 68 ca 8b e8 0e 30 15 00 90 <0f> 0b e8 86 52 24 fe 90 0f 0b e8 7e 52 24 fe 31 f6 65 ff 0d 85 b6 [ 91.488677][ T5827] RSP: 0018:ffffc900041eee60 EFLAGS: 00010246 [ 91.499161][ T5827] RAX: 542c47e6c1ced200 RBX: ffffc900041eefa0 RCX: 542c47e6c1ced200 [ 91.512180][ T5827] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 91.520884][ T5827] RBP: ffffc900041ef0d0 R08: ffffc900041eea27 R09: 1ffff9200083dd44 [ 91.530828][ T5827] R10: dffffc0000000000 R11: fffff5200083dd45 R12: ffff88807235b02c [ 91.540266][ T5827] R13: 1ffff9200083ddd4 R14: ffffc900041eefc0 R15: 1000000000000000 [ 91.548674][ T5827] FS: 00005555734d5380(0000) GS:ffff888125c85000(0000) knlGS:0000000000000000 [ 91.558628][ T5827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.565279][ T5827] CR2: 000055ca5baafdb8 CR3: 0000000034888000 CR4: 00000000003526f0 [ 91.573329][ T5827] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.581319][ T5827] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.594347][ T5827] Kernel panic - not syncing: Fatal exception [ 91.601474][ T5827] Kernel Offset: disabled [ 91.605829][ T5827] Rebooting in 86400 seconds..