------------[ cut here ]------------
WARNING: CPU: 0 PID: 3836 at fs/inode.c:307 drop_nlink+0xbb/0x100
Modules linked in:
CPU: 0 PID: 3836 Comm: syz.3.34 Not tainted 5.15.166-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:drop_nlink+0xbb/0x100 fs/inode.c:307
Code: 49 8b 1e 48 8d bb c8 07 00 00 be 08 00 00 00 e8 eb a2 ed ff f0 48 ff 83 c8 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 55 d8 a3 ff <0f> 0b eb 89 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
RSP: 0018:ffffc90003197bc0 EFLAGS: 00010287
RAX: ffffffff81dc81ab RBX: 1ffff1100c4bd009 RCX: 0000000000040000
RDX: ffffc90005c5a000 RSI: 000000000000dced RDI: 000000000000dcee
RBP: 0000000000000000 R08: ffffffff81dc812f R09: fffffbfff20e2240
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880625e8048
R13: 1ffff1100c4bd000 R14: ffff8880625e8000 R15: dffffc0000000000
FS:  00007fec032456c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020003000 CR3: 0000000074c55000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 f2fs_i_links_write fs/f2fs/f2fs.h:2883 [inline]
 f2fs_drop_nlink+0x11f/0x360 fs/f2fs/dir.c:887
 f2fs_unlink+0x510/0xb00 fs/f2fs/namei.c:636
 vfs_unlink+0x359/0x5f0 fs/namei.c:4280
 do_unlinkat+0x4a3/0x950 fs/namei.c:4348
 __do_sys_unlinkat fs/namei.c:4391 [inline]
 __se_sys_unlinkat fs/namei.c:4384 [inline]
 __x64_sys_unlinkat+0xca/0xf0 fs/namei.c:4384
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fec04dcbef9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fec03245038 EFLAGS: 00000246 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 00007fec04f84f80 RCX: 00007fec04dcbef9
RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000004
RBP: 00007fec04e3e046 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fec04f84f80 R15: 00007ffddc0cc478
 </TASK>