syzbot

F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4
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WARNING: CPU: 0 PID: 5834 at fs/inode.c:407 drop_nlink+0xc4/0x110 fs/inode.c:407
Modules linked in:
CPU: 0 UID: 0 PID: 5834 Comm: syz-executor147 Not tainted 6.12.0-syzkaller-08446-g228a1157fb9f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:drop_nlink+0xc4/0x110 fs/inode.c:407
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
RSP: 0018:ffffc90003e477d0 EFLAGS: 00010293
RAX: ffffffff82170c43 RBX: 1ffff1100efe1354 RCX: ffff888024129e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff82170bc3 R09: 1ffff1100efe13e1
R10: dffffc0000000000 R11: ffffed100efe13e2 R12: ffff888077f09aa0
R13: dffffc0000000000 R14: ffff888077f09a58 R15: dffffc0000000000
FS:  00005555790bf380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000066c7e0 CR3: 00000000348de000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 f2fs_i_links_write fs/f2fs/f2fs.h:3127 [inline]
 f2fs_rename fs/f2fs/namei.c:999 [inline]
 f2fs_rename2+0x1b6c/0x2c30 fs/f2fs/namei.c:1272
 vfs_rename+0xbdb/0xf00 fs/namei.c:5067
 do_renameat2+0xd94/0x13f0 fs/namei.c:5224
 __do_sys_renameat2 fs/namei.c:5258 [inline]
 __se_sys_renameat2 fs/namei.c:5255 [inline]
 __x64_sys_renameat2+0xce/0xe0 fs/namei.c:5255
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f64e4689679
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
RSP: 002b:00007ffc6c5abd78 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
RAX: ffffffffffffffda RBX: 00007ffc6c5abf48 RCX: 00007f64e4689679
RDX: 0000000000000004 RSI: 00000000200000c0 RDI: 0000000000000005
RBP: 00007f64e470c610 R08: 0000000000000000 R09: 00007ffc6c5abf48
R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc6c5abf38 R14: 0000000000000001 R15: 0000000000000001
 </TASK>