------------[ cut here ]------------
WARNING: CPU: 0 PID: 8733 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x6f2/0x8b0 net/ipv4/af_inet.c:156
Modules linked in:
CPU: 0 PID: 8733 Comm: syz-executor.0 Not tainted 6.9.0-rc4-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:inet_sock_destruct+0x6f2/0x8b0 net/ipv4/af_inet.c:156
Code: 0f 0b 90 e9 fa fd ff ff e8 db 70 3f f8 90 0f 0b 90 e9 30 fe ff ff e8 cd 70 3f f8 90 0f 0b 90 e9 84 fd ff ff e8 bf 70 3f f8 90 <0f> 0b 90 e9 8f fe ff ff e8 d1 ec 9b f8 e9 65 fc ff ff 48 89 ef e8
RSP: 0018:ffffc90003b4fd08 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888029afd5c0 RCX: ffffffff894ee361
RDX: ffff88801e6f4880 RSI: ffffffff894ee4d1 RDI: 0000000000000005
RBP: 0000000080001000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080001000 R11: 0000000000000001 R12: ffff888029afd5e8
R13: ffff888029afd650 R14: 0000000000000000 R15: ffffffff88a794e0
FS:  0000000000000000(0000) GS:ffff88802c200000(0063) knlGS:0000000056e6c400
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000ff8a9fdc CR3: 00000000612f2000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __sk_destruct+0x4d/0x730 net/core/sock.c:2175
 sk_destruct+0xc2/0xf0 net/core/sock.c:2223
 __sk_free+0xf4/0x3e0 net/core/sock.c:2234
 sk_free+0x7c/0xa0 net/core/sock.c:2245
 sock_put include/net/sock.h:1948 [inline]
 tcp_close+0xe1/0x130 net/ipv4/tcp.c:2936
 inet_release+0x13c/0x280 net/ipv4/af_inet.c:437
 __sock_release+0xb0/0x270 net/socket.c:659
 sock_close+0x1c/0x30 net/socket.c:1421
 __fput+0x270/0xb80 fs/file_table.c:422
 __fput_sync+0x47/0x50 fs/file_table.c:507
 __do_sys_close fs/open.c:1556 [inline]
 __se_sys_close fs/open.c:1541 [inline]
 __ia32_sys_close+0x86/0x100 fs/open.c:1541
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0x75/0x120 arch/x86/entry/common.c:321
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:346
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf72cc579
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:00000000ffa30a70 EFLAGS: 00000293 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000056e6c400
RDX: 0000000000000000 RSI: 00000000f7423ff4 RDI: 0000000000000000
RBP: 00000000f72c8000 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