------------[ cut here ]------------
WARNING: CPU: 1 PID: 4308 at fs/inode.c:307 drop_nlink+0xbb/0x100
Modules linked in:
CPU: 1 PID: 4308 Comm: syz.4.103 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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 3b a4 ed ff f0 48 ff 83 c8 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 65 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:ffffc90002f87870 EFLAGS: 00010287
RAX: ffffffff81dc820b RBX: 1ffff1100c67d729 RCX: 0000000000040000
RDX: ffffc9000389c000 RSI: 00000000000064f2 RDI: 00000000000064f3
RBP: 0000000000000000 R08: ffffffff81dc818f R09: ffffed100c67d7b9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880633eb948
R13: dffffc0000000000 R14: ffff8880633eb900 R15: dffffc0000000000
FS:  00007f85d31386c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001240 CR3: 000000006538c000 CR4: 00000000003506e0
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_rename fs/f2fs/namei.c:1041 [inline]
 f2fs_rename2+0x1a1c/0x2790 fs/f2fs/namei.c:1315
 vfs_rename+0xd32/0x10f0 fs/namei.c:4832
 do_renameat2+0xe0f/0x1700 fs/namei.c:4985
 __do_sys_renameat2 fs/namei.c:5018 [inline]
 __se_sys_renameat2 fs/namei.c:5015 [inline]
 __x64_sys_renameat2+0xce/0xe0 fs/namei.c:5015
 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: 0033:0x7f85d4cbfff9
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:00007f85d3138038 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
RAX: ffffffffffffffda RBX: 00007f85d4e77f80 RCX: 00007f85d4cbfff9
RDX: ffffffffffffff9c RSI: 0000000020000380 RDI: 0000000000000007
RBP: 00007f85d4d32296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f85d4e77f80 R15: 00007fff77778228
 </TASK>