loop0: detected capacity change from 0 to 131072 F2FS-fs (loop0): invalid crc value F2FS-fs (loop0): Found nat_bits in checkpoint F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5319 at fs/inode.c:407 drop_nlink+0xc4/0x110 fs/inode.c:407 Modules linked in: CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:drop_nlink+0xc4/0x110 fs/inode.c:407 Code: bb 70 07 00 00 be 08 00 00 00 e8 97 12 e7 ff 3e 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 dd 7a 80 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:ffffc9000d1a77d0 EFLAGS: 00010287 RAX: ffffffff823ef1e3 RBX: 1ffff11008a9746d RCX: 0000000000100000 RDX: ffffc9000e6f2000 RSI: 0000000000000b10 RDI: 0000000000000b11 RBP: 0000000000000000 R08: ffffffff823ef163 R09: 1ffff11008a974fa R10: dffffc0000000000 R11: ffffed1008a974fb R12: ffff8880454ba368 R13: dffffc0000000000 R14: ffff8880454ba320 R15: dffffc0000000000 FS: 00007ff493df56c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564806ec12a0 CR3: 0000000042604000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> f2fs_i_links_write fs/f2fs/f2fs.h:3122 [inline] f2fs_rename fs/f2fs/namei.c:1000 [inline] f2fs_rename2+0x1ba1/0x2d30 fs/f2fs/namei.c:1273 vfs_rename+0xbdb/0xf00 fs/namei.c:5069 do_renameat2+0xd94/0x13f0 fs/namei.c:5226 __do_sys_rename fs/namei.c:5273 [inline] __se_sys_rename fs/namei.c:5271 [inline] __x64_sys_rename+0x82/0x90 fs/namei.c:5271 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: 0033:0x7ff49798cda9 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:00007ff493df5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007ff497ba5fa0 RCX: 00007ff49798cda9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000020000080 RBP: 00007ff497a0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ff497ba5fa0 R15: 00007ffcf80e3ff8 </TASK>