------------[ cut here ]------------ inode->i_nlink == 0 WARNING: fs/inode.c:417 at drop_nlink+0xc5/0x110 fs/inode.c:417, CPU#0: syz-executor/6477 Modules linked in: CPU: 0 UID: 0 PID: 6477 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 RIP: 0010:drop_nlink+0xc5/0x110 fs/inode.c:417 Code: c0 08 00 00 be 08 00 00 00 e8 27 4d eb ff f0 48 ff 83 c0 08 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc e8 2c e6 86 ff 90 <0f> 0b 90 eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5b ff ff ff RSP: 0018:ffffc90003af7bf0 EFLAGS: 00010293 RAX: ffffffff823c4e44 RBX: ffff888042ed1d30 RCX: ffff8880257b5ac0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1e8fbcf R12: 1ffff110085da3af R13: 1ffff9200075ef8c R14: ffff888042ed1d78 R15: dffffc0000000000 FS: 0000555565ecc500(0000) GS:ffff8881265c9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555565f07b28 CR3: 00000000349e0000 CR4: 00000000003526f0 Call Trace: msdos_rmdir+0x439/0x550 fs/fat/namei_msdos.c:328 vfs_rmdir+0x51e/0x670 fs/namei.c:5245 do_rmdir+0x278/0x470 fs/namei.c:5300 __do_sys_unlinkat fs/namei.c:5477 [inline] __se_sys_unlinkat fs/namei.c:5471 [inline] __x64_sys_unlinkat+0xc2/0xf0 fs/namei.c:5471 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3afd7ea017 Code: 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd4f92ced8 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f3afd7ea017 RDX: 0000000000000200 RSI: 00007ffd4f92e080 RDI: 00000000ffffff9c RBP: 00007f3afd87f33b R08: 0000000000010520 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000207 R12: 00007ffd4f92e080 R13: 00007f3afd87f33b R14: 0000000000027c8f R15: 00007ffd4f931330