------------[ cut here ]------------
WARNING: CPU: 1 PID: 23550 at net/mptcp/protocol.c:2999 mptcp_check_listen_stop.part.0+0x17b/0x240 net/mptcp/protocol.c:2999
Modules linked in:
CPU: 1 PID: 23550 Comm: syz-executor.0 Not tainted 6.7.0-rc5-syzkaller-00047-g5bd7ef53ffe5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:mptcp_check_listen_stop.part.0+0x17b/0x240 net/mptcp/protocol.c:2999
Code: 00 00 00 0f b6 45 12 88 44 24 20 44 0f b6 6c 24 20 bf 0a 00 00 00 44 89 ee e8 31 35 24 f7 41 80 fd 0a 74 2b e8 f6 39 24 f7 90 <0f> 0b 90 e8 ed 39 24 f7 48 b8 00 00 00 00 00 fc ff df 49 c7 04 04
RSP: 0018:ffffc9000a5b7cc0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802a446200 RCX: ffffffff8a6353ff
RDX: ffff88802673bb80 RSI: ffffffff8a63540a RDI: 0000000000000001
RBP: ffff888026dc4e00 R08: 0000000000000001 R09: 000000000000000a
R10: 0000000000000007 R11: 0000000000000002 R12: 1ffff920014b6f98
R13: 0000000000000007 R14: ffff88802a446212 R15: 000000000000000a
FS:  0000000000000000(0000) GS:ffff8880b9900000(0063) knlGS:0000000056a01400
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000032323000 CR3: 000000001c95b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 mptcp_check_listen_stop net/mptcp/protocol.c:3032 [inline]
 __mptcp_close+0x888/0xa10 net/mptcp/protocol.c:3020
 mptcp_close+0x28/0xf0 net/mptcp/protocol.c:3087
 inet_release+0x132/0x270 net/ipv4/af_inet.c:433
 inet6_release+0x4f/0x70 net/ipv6/af_inet6.c:485
 __sock_release+0xae/0x260 net/socket.c:659
 sock_close+0x1c/0x20 net/socket.c:1419
 __fput+0x270/0xbb0 fs/file_table.c:394
 __fput_sync+0x47/0x50 fs/file_table.c:475
 __do_sys_close fs/open.c:1590 [inline]
 __se_sys_close fs/open.c:1575 [inline]
 __ia32_sys_close+0x87/0xf0 fs/open.c:1575
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0x62/0xe0 arch/x86/entry/common.c:321
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:346
 entry_SYSENTER_compat_after_hwframe+0x70/0x7a
RIP: 0023:0xf7f1d579
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:00000000f749fad0 EFLAGS: 00000293 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000056a01400
RDX: 0000000000000000 RSI: 00000000f7353ff4 RDI: 0000000000000000
RBP: 00000000f7200000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 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