./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor143414156
<...>
Warning: Permanently added '10.128.1.54' (ED25519) to the list of known hosts.
execve("./syz-executor143414156", ["./syz-executor143414156"], 0x7ffd335acec0 /* 10 vars */) = 0
brk(NULL) = 0x55558e8f7000
brk(0x55558e8f7d00) = 0x55558e8f7d00
arch_prctl(ARCH_SET_FS, 0x55558e8f7380) = 0
set_tid_address(0x55558e8f7650) = 5835
set_robust_list(0x55558e8f7660, 24) = 0
rseq(0x55558e8f7ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor143414156", 4096) = 27
getrandom("\x96\x08\x1c\xf0\xb6\x93\xc1\x65", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558e8f7d00
brk(0x55558e918d00) = 0x55558e918d00
brk(0x55558e919000) = 0x55558e919000
mprotect(0x7fea51a9b000, 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
write(1, "executing program\n", 18) = 18
executing program
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fea49400000
write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864
munmap(0x7fea49400000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
close(4) = 0
mkdir("./file2", 0777) = 0
[ 64.268624][ T5835] loop0: detected capacity change from 0 to 131072
[ 64.324455][ T5835] F2FS-fs (loop0): invalid crc value
[ 64.341043][ T5835] F2FS-fs (loop0): Found nat_bits in checkpoint
mount("/dev/loop0", "./file2", "f2fs", MS_DIRSYNC|MS_RELATIME, "") = 0
openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3
chdir("./file2") = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[ 64.371638][ T5835] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4
openat(AT_FDCWD, ".", O_RDONLY) = 4
openat(AT_FDCWD, ".", O_RDONLY) = 5
[ 64.457933][ T5835] ------------[ cut here ]------------
[ 64.463491][ T5835] WARNING: CPU: 1 PID: 5835 at fs/inode.c:407 drop_nlink+0xc4/0x110
[ 64.471557][ T5835] Modules linked in:
[ 64.475546][ T5835] CPU: 1 UID: 0 PID: 5835 Comm: syz-executor143 Not tainted 6.12.0-syzkaller-08446-g228a1157fb9f #0
[ 64.486378][ T5835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 64.496518][ T5835] RIP: 0010:drop_nlink+0xc4/0x110
[ 64.501574][ T5835] Code: bb 70 07 00 00 be 08 00 00 00 e8 27 d8 e5 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 9d 40 7e ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[ 64.521401][ T5835] RSP: 0018:ffffc90003e377d0 EFLAGS: 00010293
[ 64.527547][ T5835] RAX: ffffffff82170c43 RBX: 1ffff1100efa8122 RCX: ffff88802cca0000
[ 64.535574][ T5835] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 64.543557][ T5835] RBP: 0000000000000000 R08: ffffffff82170bc3 R09: 1ffff1100efa81af
[ 64.551569][ T5835] R10: dffffc0000000000 R11: ffffed100efa81b0 R12: ffff888077d40910
[ 64.559570][ T5835] R13: dffffc0000000000 R14: ffff888077d408c8 R15: dffffc0000000000
[ 64.567763][ T5835] FS: 000055558e8f7380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 64.576736][ T5835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 64.583340][ T5835] CR2: 000000000066c7e0 CR3: 000000007ac16000 CR4: 00000000003526f0
[ 64.591388][ T5835] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 64.599403][ T5835] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 64.607422][ T5835] Call Trace:
[ 64.610708][ T5835]
[ 64.613630][ T5835] ? __warn+0x168/0x4e0
[ 64.617823][ T5835] ? drop_nlink+0xc4/0x110
[ 64.622270][ T5835] ? report_bug+0x2b3/0x500
[ 64.626825][ T5835] ? drop_nlink+0xc4/0x110
[ 64.631266][ T5835] ? handle_bug+0x60/0x90
[ 64.635668][ T5835] ? exc_invalid_op+0x1a/0x50
[ 64.640379][ T5835] ? asm_exc_invalid_op+0x1a/0x20
[ 64.645466][ T5835] ? drop_nlink+0x43/0x110
[ 64.649898][ T5835] ? drop_nlink+0xc3/0x110
[ 64.654311][ T5835] ? drop_nlink+0xc4/0x110
[ 64.658765][ T5835] f2fs_rename2+0x1b6c/0x2c30
[ 64.663479][ T5835] ? __pfx_f2fs_rename2+0x10/0x10
[ 64.668541][ T5835] ? __pfx_lock_acquire+0x10/0x10
[ 64.673578][ T5835] ? __pfx___might_resched+0x10/0x10
[ 64.678900][ T5835] ? __pfx___might_resched+0x10/0x10
[ 64.684200][ T5835] ? vfs_rename+0x5ee/0xf00
[ 64.688740][ T5835] ? do_raw_spin_lock+0x14f/0x370
[ 64.693783][ T5835] ? down_write_nested+0x195/0x220
[ 64.698947][ T5835] ? __pfx_down_write_nested+0x10/0x10
[ 64.704419][ T5835] ? do_raw_spin_unlock+0x13c/0x8b0
[ 64.709649][ T5835] ? __asan_memcpy+0x40/0x70
[ 64.714255][ T5835] ? __pfx_f2fs_rename2+0x10/0x10
[ 64.719316][ T5835] vfs_rename+0xbdb/0xf00
[ 64.723668][ T5835] ? __pfx_vfs_rename+0x10/0x10
[ 64.728559][ T5835] ? bpf_lsm_path_rename+0x9/0x10
[ 64.733597][ T5835] do_renameat2+0xd94/0x13f0
[ 64.738257][ T5835] ? __pfx_do_renameat2+0x10/0x10
[ 64.743303][ T5835] ? __might_fault+0xaa/0x120
[ 64.748036][ T5835] ? getname_flags+0x1e3/0x540
[ 64.752813][ T5835] ? do_syscall_64+0x100/0x230
[ 64.757655][ T5835] __x64_sys_renameat2+0xce/0xe0
[ 64.762622][ T5835] do_syscall_64+0xf3/0x230
[ 64.767176][ T5835] ? clear_bhb_loop+0x35/0x90
[ 64.771889][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 64.777837][ T5835] RIP: 0033:0x7fea51a18679
[ 64.782275][ T5835] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 64.801915][ T5835] RSP: 002b:00007ffd47104348 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
[ 64.810378][ T5835] RAX: ffffffffffffffda RBX: 00007ffd47104518 RCX: 00007fea51a18679
[ 64.818387][ T5835] RDX: 0000000000000004 RSI: 00000000200000c0 RDI: 0000000000000005
[ 64.826407][ T5835] RBP: 00007fea51a9b610 R08: 0000000000000000 R09: 00007ffd47104518
[ 64.834368][ T5835] R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000001
[ 64.842370][ T5835] R13: 00007ffd47104508 R14: 0000000000000001 R15: 0000000000000001
[ 64.850386][ T5835]
[ 64.853395][ T5835] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 64.860659][ T5835] CPU: 1 UID: 0 PID: 5835 Comm: syz-executor143 Not tainted 6.12.0-syzkaller-08446-g228a1157fb9f #0
[ 64.871401][ T5835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 64.881446][ T5835] Call Trace:
[ 64.884726][ T5835]
[ 64.887651][ T5835] dump_stack_lvl+0x241/0x360
[ 64.892334][ T5835] ? __pfx_dump_stack_lvl+0x10/0x10
[ 64.897531][ T5835] ? __pfx__printk+0x10/0x10
[ 64.902118][ T5835] ? _printk+0xd5/0x120
[ 64.906280][ T5835] ? __init_begin+0x41000/0x41000
[ 64.911307][ T5835] ? vscnprintf+0x5d/0x90
[ 64.915634][ T5835] panic+0x349/0x880
[ 64.919529][ T5835] ? __warn+0x177/0x4e0
[ 64.923680][ T5835] ? __pfx_panic+0x10/0x10
[ 64.928101][ T5835] ? show_trace_log_lvl+0x3b2/0x410
[ 64.933313][ T5835] __warn+0x34b/0x4e0
[ 64.937291][ T5835] ? drop_nlink+0xc4/0x110
[ 64.941708][ T5835] report_bug+0x2b3/0x500
[ 64.946032][ T5835] ? drop_nlink+0xc4/0x110
[ 64.950450][ T5835] handle_bug+0x60/0x90
[ 64.954604][ T5835] exc_invalid_op+0x1a/0x50
[ 64.959115][ T5835] asm_exc_invalid_op+0x1a/0x20
[ 64.963965][ T5835] RIP: 0010:drop_nlink+0xc4/0x110
[ 64.968987][ T5835] Code: bb 70 07 00 00 be 08 00 00 00 e8 27 d8 e5 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 9d 40 7e ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[ 64.988586][ T5835] RSP: 0018:ffffc90003e377d0 EFLAGS: 00010293
[ 64.994653][ T5835] RAX: ffffffff82170c43 RBX: 1ffff1100efa8122 RCX: ffff88802cca0000
[ 65.002622][ T5835] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 65.010677][ T5835] RBP: 0000000000000000 R08: ffffffff82170bc3 R09: 1ffff1100efa81af
[ 65.018641][ T5835] R10: dffffc0000000000 R11: ffffed100efa81b0 R12: ffff888077d40910
[ 65.026607][ T5835] R13: dffffc0000000000 R14: ffff888077d408c8 R15: dffffc0000000000
[ 65.034577][ T5835] ? drop_nlink+0x43/0x110
[ 65.038993][ T5835] ? drop_nlink+0xc3/0x110
[ 65.043415][ T5835] f2fs_rename2+0x1b6c/0x2c30
[ 65.048108][ T5835] ? __pfx_f2fs_rename2+0x10/0x10
[ 65.053129][ T5835] ? __pfx_lock_acquire+0x10/0x10
[ 65.058148][ T5835] ? __pfx___might_resched+0x10/0x10
[ 65.063438][ T5835] ? __pfx___might_resched+0x10/0x10
[ 65.068725][ T5835] ? vfs_rename+0x5ee/0xf00
[ 65.073220][ T5835] ? do_raw_spin_lock+0x14f/0x370
[ 65.078244][ T5835] ? down_write_nested+0x195/0x220
[ 65.083352][ T5835] ? __pfx_down_write_nested+0x10/0x10
[ 65.088804][ T5835] ? do_raw_spin_unlock+0x13c/0x8b0
[ 65.093998][ T5835] ? __asan_memcpy+0x40/0x70
[ 65.098582][ T5835] ? __pfx_f2fs_rename2+0x10/0x10
[ 65.103602][ T5835] vfs_rename+0xbdb/0xf00
[ 65.107942][ T5835] ? __pfx_vfs_rename+0x10/0x10
[ 65.112806][ T5835] ? bpf_lsm_path_rename+0x9/0x10
[ 65.117828][ T5835] do_renameat2+0xd94/0x13f0
[ 65.122437][ T5835] ? __pfx_do_renameat2+0x10/0x10
[ 65.127465][ T5835] ? __might_fault+0xaa/0x120
[ 65.132143][ T5835] ? getname_flags+0x1e3/0x540
[ 65.136909][ T5835] ? do_syscall_64+0x100/0x230
[ 65.141672][ T5835] __x64_sys_renameat2+0xce/0xe0
[ 65.146607][ T5835] do_syscall_64+0xf3/0x230
[ 65.151130][ T5835] ? clear_bhb_loop+0x35/0x90
[ 65.155831][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 65.161733][ T5835] RIP: 0033:0x7fea51a18679
[ 65.166147][ T5835] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 65.185758][ T5835] RSP: 002b:00007ffd47104348 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
[ 65.194175][ T5835] RAX: ffffffffffffffda RBX: 00007ffd47104518 RCX: 00007fea51a18679
[ 65.202149][ T5835] RDX: 0000000000000004 RSI: 00000000200000c0 RDI: 0000000000000005
[ 65.210114][ T5835] RBP: 00007fea51a9b610 R08: 0000000000000000 R09: 00007ffd47104518
[ 65.218081][ T5835] R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000001
[ 65.226044][ T5835] R13: 00007ffd47104508 R14: 0000000000000001 R15: 0000000000000001
[ 65.234021][ T5835]
[ 65.237321][ T5835] Kernel Offset: disabled
[ 65.241697][ T5835] Rebooting in 86400 seconds..