------------[ cut here ]------------
WARNING: CPU: 0 PID: 5226 at fs/inode.c:332 drop_nlink+0xac/0xd0 fs/inode.c:332
Modules linked in:
CPU: 0 PID: 5226 Comm: syz-executor.2 Not tainted 6.10.0-rc4-syzkaller-00148-g50736169ecc8 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:drop_nlink+0xac/0xd0 fs/inode.c:332
Code: 48 8b 5d 28 be 08 00 00 00 48 8d bb 70 07 00 00 e8 d9 99 e8 ff f0 48 ff 83 70 07 00 00 5b 5d e9 7a 64 8b ff e8 75 64 8b ff 90 <0f> 0b 90 c7 45 48 ff ff ff ff 5b 5d e9 63 64 8b ff e8 ae 91 e8 ff
RSP: 0018:ffffc90002bb7ce8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff82032b0f
RDX: ffff888025f74880 RSI: ffffffff82032b7b RDI: 0000000000000005
RBP: ffff888000dc8040 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: 1ffff92000576fa1
R13: ffff888020de0590 R14: ffff888000dc8040 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:0000000056885400
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000568a5fac CR3: 0000000053554000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_dec_link_count include/linux/fs.h:2440 [inline]
 minix_unlink+0x250/0x410 fs/minix/namei.c:157
 minix_rmdir+0x5f/0xe0 fs/minix/namei.c:167
 vfs_rmdir fs/namei.c:4214 [inline]
 vfs_rmdir+0x203/0x690 fs/namei.c:4191
 do_rmdir+0x3a2/0x410 fs/namei.c:4273
 __do_sys_unlinkat fs/namei.c:4449 [inline]
 __se_sys_unlinkat fs/namei.c:4443 [inline]
 __ia32_sys_unlinkat+0xf3/0x130 fs/namei.c:4443
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf72b3579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000ffdfc448 EFLAGS: 00000296 ORIG_RAX: 000000000000012d
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 00000000ffdfd590
RDX: 0000000000000200 RSI: 0000000000000065 RDI: 00000000ffdfd590
RBP: 00000000f735a361 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi