------------[ cut here ]------------
WARNING: CPU: 1 PID: 6251 at net/ipv4/inet_connection_sock.c:548 inet_csk_get_port+0x17ec/0x2640 net/ipv4/inet_connection_sock.c:548
Modules linked in:
CPU: 1 PID: 6251 Comm: syz-executor.1 Not tainted 6.1.0-rc5-syzkaller-00044-gcc675d22e422 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:inet_csk_get_port+0x17ec/0x2640 net/ipv4/inet_connection_sock.c:548
Code: 00 00 48 8b 44 24 08 4c 89 e6 48 8b 78 18 e8 3b ad fe ff 31 ff 89 de e8 f2 34 42 f9 84 db 74 98 e9 57 ff ff ff e8 74 38 42 f9 <0f> 0b e9 c5 fc ff ff e8 68 38 42 f9 0f 0b e9 7d fc ff ff e8 5c 38
RSP: 0018:ffffc9000ec17be8 EFLAGS: 00010216
RAX: 00000000000006a4 RBX: ffff88801b9f5c80 RCX: ffffc90007d24000
RDX: 0000000000040000 RSI: ffffffff883de10c RDI: ffff88804a18ace8
RBP: ffff88804a18ace0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 00000000cabeaf40 R14: ffff88804a18a640 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88802c700000(0063) knlGS:00000000f7f55b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000200c4000 CR3: 0000000000403000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inet_csk_listen_start+0x142/0x3c0 net/ipv4/inet_connection_sock.c:1205
 inet_listen+0x235/0x640 net/ipv4/af_inet.c:228
 __sys_listen+0x181/0x250 net/socket.c:1810
 __do_sys_listen net/socket.c:1819 [inline]
 __se_sys_listen net/socket.c:1817 [inline]
 __ia32_sys_listen+0x54/0x80 net/socket.c:1817
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f7c549
Code: 03 74 c0 01 10 05 03 74 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 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:00000000f7f555cc EFLAGS: 00000296 ORIG_RAX: 000000000000016b
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	03 74 c0 01          	add    0x1(%rax,%rax,8),%esi
   4:	10 05 03 74 b8 01    	adc    %al,0x1b87403(%rip)        # 0x1b8740d
   a:	10 06                	adc    %al,(%rsi)
   c:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
  10:	10 07                	adc    %al,(%rdi)
  12:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
  16:	10 08                	adc    %cl,(%rax)
  18:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1c:	00 00                	add    %al,(%rax)
  1e:	00 00                	add    %al,(%rax)
  20:	00 51 52             	add    %dl,0x52(%rcx)
  23:	55                   	push   %rbp
  24:	89 e5                	mov    %esp,%ebp
  26:	0f 34                	sysenter
  28:	cd 80                	int    $0x80
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	5a                   	pop    %rdx
  2c:	59                   	pop    %rcx
  2d:	c3                   	retq
  2e:	90                   	nop
  2f:	90                   	nop
  30:	90                   	nop
  31:	90                   	nop
  32:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  39:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi