UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5191 at fs/inode.c:332 drop_nlink+0xbb/0x100 fs/inode.c:332 Modules linked in: CPU: 1 PID: 5191 Comm: syz.1.142 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:drop_nlink+0xbb/0x100 fs/inode.c:332 Code: 48 8b 1b 48 8d bb c8 07 00 00 be 08 00 00 00 e8 0b 10 ef ff f0 48 ff 83 c8 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 b5 a5 aa ff <0f> 0b eb 88 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c RSP: 0018:ffffc9000403f730 EFLAGS: 00010287 RAX: ffffffff81cd265b RBX: ffff88805ca887c0 RCX: 0000000000080000 RDX: ffffc90004044000 RSI: 0000000000007669 RDI: 000000000000766a RBP: 0000000000000000 R08: ffff8880211a3b80 R09: 0000000000000002 R10: 000000003b9aca00 R11: 0000000000000002 R12: 1ffff1100b951101 R13: dffffc0000000000 R14: ffff88805ca88808 R15: dffffc0000000000 FS: 00007effe9e686c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32523ffc CR3: 00000000749c8000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2504 [inline] udf_rename+0x8f6/0xb20 fs/udf/namei.c:850 vfs_rename+0xbbf/0x10d0 fs/namei.c:4840 do_renameat2+0xa83/0xf70 fs/namei.c:4993 __do_sys_renameat2 fs/namei.c:5026 [inline] __se_sys_renameat2 fs/namei.c:5023 [inline] __x64_sys_renameat2+0xce/0xe0 fs/namei.c:5023 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7effebc01749 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:00007effe9e68038 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007effebe57fa0 RCX: 00007effebc01749 RDX: 0000000000000005 RSI: 0000200000000380 RDI: 0000000000000005 RBP: 00007effebc85f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000200000000180 R11: 0000000000000246 R12: 0000000000000000 R13: 00007effebe58038 R14: 00007effebe57fa0 R15: 00007ffff3e82bc8