./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1479144444
<...>
Warning: Permanently added '10.128.0.60' (ED25519) to the list of known hosts.
execve("./syz-executor1479144444", ["./syz-executor1479144444"], 0x7ffd51877430 /* 10 vars */) = 0
brk(NULL) = 0x5555790bf000
brk(0x5555790bfd00) = 0x5555790bfd00
arch_prctl(ARCH_SET_FS, 0x5555790bf380) = 0
set_tid_address(0x5555790bf650) = 5834
set_robust_list(0x5555790bf660, 24) = 0
rseq(0x5555790bfca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1479144444", 4096) = 28
getrandom("\xaa\xfa\x47\x36\x65\x24\x57\x14", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555790bfd00
brk(0x5555790e0d00) = 0x5555790e0d00
brk(0x5555790e1000) = 0x5555790e1000
mprotect(0x7f64e470c000, 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", 18executing program
) = 18
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f64dc200000
write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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(0x7f64dc200000, 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
syzkaller login: [ 61.646411][ T5834] loop0: detected capacity change from 0 to 131072
[ 61.695526][ T5834] F2FS-fs (loop0): invalid crc value
[ 61.707327][ T5834] 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)
openat(AT_FDCWD, ".", O_RDONLY) = 4
openat(AT_FDCWD, ".", O_RDONLY) = 5
[ 61.750087][ T5834] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4
[ 61.796051][ T5834] ------------[ cut here ]------------
[ 61.801689][ T5834] WARNING: CPU: 0 PID: 5834 at fs/inode.c:407 drop_nlink+0xc4/0x110
[ 61.809765][ T5834] Modules linked in:
[ 61.813706][ T5834] CPU: 0 UID: 0 PID: 5834 Comm: syz-executor147 Not tainted 6.12.0-syzkaller-08446-g228a1157fb9f #0
[ 61.824525][ T5834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 61.834657][ T5834] RIP: 0010:drop_nlink+0xc4/0x110
[ 61.839748][ T5834] 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
[ 61.859892][ T5834] RSP: 0018:ffffc90003e477d0 EFLAGS: 00010293
[ 61.865954][ T5834] RAX: ffffffff82170c43 RBX: 1ffff1100efe1354 RCX: ffff888024129e00
[ 61.874012][ T5834] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 61.882083][ T5834] RBP: 0000000000000000 R08: ffffffff82170bc3 R09: 1ffff1100efe13e1
[ 61.890121][ T5834] R10: dffffc0000000000 R11: ffffed100efe13e2 R12: ffff888077f09aa0
[ 61.898175][ T5834] R13: dffffc0000000000 R14: ffff888077f09a58 R15: dffffc0000000000
[ 61.906165][ T5834] FS: 00005555790bf380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 61.915165][ T5834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 61.921815][ T5834] CR2: 000000000066c7e0 CR3: 00000000348de000 CR4: 00000000003526f0
[ 61.929829][ T5834] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 61.937833][ T5834] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 61.945888][ T5834] Call Trace:
[ 61.949205][ T5834]
[ 61.952153][ T5834] ? __warn+0x168/0x4e0
[ 61.956312][ T5834] ? drop_nlink+0xc4/0x110
[ 61.960830][ T5834] ? report_bug+0x2b3/0x500
[ 61.965386][ T5834] ? drop_nlink+0xc4/0x110
[ 61.969909][ T5834] ? handle_bug+0x60/0x90
[ 61.974260][ T5834] ? exc_invalid_op+0x1a/0x50
[ 61.979023][ T5834] ? asm_exc_invalid_op+0x1a/0x20
[ 61.984071][ T5834] ? drop_nlink+0x43/0x110
[ 61.988535][ T5834] ? drop_nlink+0xc3/0x110
[ 61.992972][ T5834] ? drop_nlink+0xc4/0x110
[ 61.997393][ T5834] f2fs_rename2+0x1b6c/0x2c30
[ 62.002173][ T5834] ? __pfx_f2fs_rename2+0x10/0x10
[ 62.007211][ T5834] ? __pfx_lock_acquire+0x10/0x10
[ 62.012290][ T5834] ? __pfx___might_resched+0x10/0x10
[ 62.017596][ T5834] ? __pfx___might_resched+0x10/0x10
[ 62.023014][ T5834] ? vfs_rename+0x5ee/0xf00
[ 62.027545][ T5834] ? do_raw_spin_lock+0x14f/0x370
[ 62.032658][ T5834] ? down_write_nested+0x195/0x220
[ 62.037803][ T5834] ? __pfx_down_write_nested+0x10/0x10
[ 62.043342][ T5834] ? do_raw_spin_unlock+0x13c/0x8b0
[ 62.048585][ T5834] ? __asan_memcpy+0x40/0x70
[ 62.053194][ T5834] ? __pfx_f2fs_rename2+0x10/0x10
[ 62.058302][ T5834] vfs_rename+0xbdb/0xf00
[ 62.062658][ T5834] ? __pfx_vfs_rename+0x10/0x10
[ 62.067533][ T5834] ? bpf_lsm_path_rename+0x9/0x10
[ 62.072616][ T5834] do_renameat2+0xd94/0x13f0
[ 62.077242][ T5834] ? __pfx_do_renameat2+0x10/0x10
[ 62.082544][ T5834] ? __might_fault+0xaa/0x120
[ 62.087353][ T5834] ? getname_flags+0x1e3/0x540
[ 62.092238][ T5834] ? do_syscall_64+0x100/0x230
[ 62.097034][ T5834] __x64_sys_renameat2+0xce/0xe0
[ 62.102069][ T5834] do_syscall_64+0xf3/0x230
[ 62.106600][ T5834] ? clear_bhb_loop+0x35/0x90
[ 62.111332][ T5834] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 62.117333][ T5834] RIP: 0033:0x7f64e4689679
[ 62.121835][ T5834] 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
[ 62.141511][ T5834] RSP: 002b:00007ffc6c5abd78 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
[ 62.150074][ T5834] RAX: ffffffffffffffda RBX: 00007ffc6c5abf48 RCX: 00007f64e4689679
[ 62.158135][ T5834] RDX: 0000000000000004 RSI: 00000000200000c0 RDI: 0000000000000005
[ 62.166144][ T5834] RBP: 00007f64e470c610 R08: 0000000000000000 R09: 00007ffc6c5abf48
[ 62.174197][ T5834] R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000001
[ 62.182355][ T5834] R13: 00007ffc6c5abf38 R14: 0000000000000001 R15: 0000000000000001
[ 62.190427][ T5834]
[ 62.193488][ T5834] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 62.200769][ T5834] CPU: 0 UID: 0 PID: 5834 Comm: syz-executor147 Not tainted 6.12.0-syzkaller-08446-g228a1157fb9f #0
[ 62.211520][ T5834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 62.221561][ T5834] Call Trace:
[ 62.224827][ T5834]
[ 62.227744][ T5834] dump_stack_lvl+0x241/0x360
[ 62.232415][ T5834] ? __pfx_dump_stack_lvl+0x10/0x10
[ 62.237598][ T5834] ? __pfx__printk+0x10/0x10
[ 62.242175][ T5834] ? _printk+0xd5/0x120
[ 62.246329][ T5834] ? __init_begin+0x41000/0x41000
[ 62.251355][ T5834] ? vscnprintf+0x5d/0x90
[ 62.255677][ T5834] panic+0x349/0x880
[ 62.259565][ T5834] ? __warn+0x177/0x4e0
[ 62.263710][ T5834] ? __pfx_panic+0x10/0x10
[ 62.268200][ T5834] ? show_trace_log_lvl+0x3b2/0x410
[ 62.273396][ T5834] __warn+0x34b/0x4e0
[ 62.277464][ T5834] ? drop_nlink+0xc4/0x110
[ 62.281888][ T5834] report_bug+0x2b3/0x500
[ 62.286206][ T5834] ? drop_nlink+0xc4/0x110
[ 62.290612][ T5834] handle_bug+0x60/0x90
[ 62.294757][ T5834] exc_invalid_op+0x1a/0x50
[ 62.299257][ T5834] asm_exc_invalid_op+0x1a/0x20
[ 62.304196][ T5834] RIP: 0010:drop_nlink+0xc4/0x110
[ 62.309270][ T5834] 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
[ 62.328881][ T5834] RSP: 0018:ffffc90003e477d0 EFLAGS: 00010293
[ 62.334973][ T5834] RAX: ffffffff82170c43 RBX: 1ffff1100efe1354 RCX: ffff888024129e00
[ 62.342940][ T5834] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 62.350905][ T5834] RBP: 0000000000000000 R08: ffffffff82170bc3 R09: 1ffff1100efe13e1
[ 62.358870][ T5834] R10: dffffc0000000000 R11: ffffed100efe13e2 R12: ffff888077f09aa0
[ 62.366842][ T5834] R13: dffffc0000000000 R14: ffff888077f09a58 R15: dffffc0000000000
[ 62.374843][ T5834] ? drop_nlink+0x43/0x110
[ 62.379275][ T5834] ? drop_nlink+0xc3/0x110
[ 62.383700][ T5834] f2fs_rename2+0x1b6c/0x2c30
[ 62.388393][ T5834] ? __pfx_f2fs_rename2+0x10/0x10
[ 62.393413][ T5834] ? __pfx_lock_acquire+0x10/0x10
[ 62.398432][ T5834] ? __pfx___might_resched+0x10/0x10
[ 62.403716][ T5834] ? __pfx___might_resched+0x10/0x10
[ 62.409003][ T5834] ? vfs_rename+0x5ee/0xf00
[ 62.413503][ T5834] ? do_raw_spin_lock+0x14f/0x370
[ 62.418526][ T5834] ? down_write_nested+0x195/0x220
[ 62.423633][ T5834] ? __pfx_down_write_nested+0x10/0x10
[ 62.429090][ T5834] ? do_raw_spin_unlock+0x13c/0x8b0
[ 62.434285][ T5834] ? __asan_memcpy+0x40/0x70
[ 62.438877][ T5834] ? __pfx_f2fs_rename2+0x10/0x10
[ 62.443896][ T5834] vfs_rename+0xbdb/0xf00
[ 62.448239][ T5834] ? __pfx_vfs_rename+0x10/0x10
[ 62.453092][ T5834] ? bpf_lsm_path_rename+0x9/0x10
[ 62.458118][ T5834] do_renameat2+0xd94/0x13f0
[ 62.462724][ T5834] ? __pfx_do_renameat2+0x10/0x10
[ 62.467752][ T5834] ? __might_fault+0xaa/0x120
[ 62.472433][ T5834] ? getname_flags+0x1e3/0x540
[ 62.477194][ T5834] ? do_syscall_64+0x100/0x230
[ 62.481957][ T5834] __x64_sys_renameat2+0xce/0xe0
[ 62.486895][ T5834] do_syscall_64+0xf3/0x230
[ 62.491400][ T5834] ? clear_bhb_loop+0x35/0x90
[ 62.496082][ T5834] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 62.501976][ T5834] RIP: 0033:0x7f64e4689679
[ 62.506386][ T5834] 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
[ 62.526008][ T5834] RSP: 002b:00007ffc6c5abd78 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
[ 62.534430][ T5834] RAX: ffffffffffffffda RBX: 00007ffc6c5abf48 RCX: 00007f64e4689679
[ 62.542399][ T5834] RDX: 0000000000000004 RSI: 00000000200000c0 RDI: 0000000000000005
[ 62.550366][ T5834] RBP: 00007f64e470c610 R08: 0000000000000000 R09: 00007ffc6c5abf48
[ 62.558331][ T5834] R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000001
[ 62.566296][ T5834] R13: 00007ffc6c5abf38 R14: 0000000000000001 R15: 0000000000000001
[ 62.574278][ T5834]
[ 62.577547][ T5834] Kernel Offset: disabled
[ 62.581896][ T5834] Rebooting in 86400 seconds..