UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5817 at fs/inode.c:332 drop_nlink+0xbb/0x100 fs/inode.c:332 Modules linked in: CPU: 1 PID: 5817 Comm: syz.3.379 Not tainted 5.15.185-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 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 bb 12 ef ff f0 48 ff 83 c8 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 f5 98 a9 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:ffffc900032df750 EFLAGS: 00010283 RAX: ffffffff81ce292b RBX: ffff8880611e9af8 RCX: 0000000000080000 RDX: ffffc900056a9000 RSI: 0000000000007bc1 RDI: 0000000000007bc2 RBP: 0000000000000000 R08: ffff888021721dc0 R09: 0000000000000002 R10: 000000003b9aca00 R11: 0000000000000002 R12: 1ffff1100c23d368 R13: dffffc0000000000 R14: ffff8880611e9b40 R15: dffffc0000000000 FS: 00007f4d730096c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd4db9aed8 CR3: 00000000643ca000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2503 [inline] udf_rename+0x8f6/0xb20 fs/udf/namei.c:850 vfs_rename+0xbbf/0x10d0 fs/namei.c:4832 do_renameat2+0xa83/0xf70 fs/namei.c:4985 __do_sys_rename fs/namei.c:5031 [inline] __se_sys_rename fs/namei.c:5029 [inline] __x64_sys_rename+0x82/0x90 fs/namei.c:5029 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: 0033:0x7f4d751a1929 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:00007f4d73009038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f4d753c8fa0 RCX: 00007f4d751a1929 RDX: 0000000000000000 RSI: 0000200000000300 RDI: 00002000000002c0 RBP: 00007f4d75223b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f4d753c8fa0 R15: 00007fff8278c918