------------[ cut here ]------------
WARNING: CPU: 2 PID: 100 at net/ipv4/af_inet.c:154 inet_sock_destruct+0x6df/0x8a0 net/ipv4/af_inet.c:154
Modules linked in:
CPU: 2 PID: 100 Comm: kswapd0 Not tainted 6.3.0-rc5-syzkaller-00153-gaa318c48808c #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:inet_sock_destruct+0x6df/0x8a0 net/ipv4/af_inet.c:154
Code: ff e8 e5 87 ec f8 0f 0b e9 07 fe ff ff e8 d9 87 ec f8 0f 0b e9 3f fe ff ff e8 cd 87 ec f8 0f 0b e9 95 fd ff ff e8 c1 87 ec f8 <0f> 0b e9 9f fe ff ff e8 15 a8 3c f9 e9 7a fc ff ff 4c 89 e7 e8 48
RSP: 0018:ffffc90000620c48 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000ffff9000 RCX: 0000000000000100
RDX: ffff888016086100 RSI: ffffffff889570af RDI: 0000000000000005
RBP: ffff8880001ccdc0 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffff9000 R11: 0000000000000004 R12: ffff8880001ccde8
R13: ffff8880001cd034 R14: ffff8880001cce40 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3abeba7300 CR3: 000000000c571000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __sk_destruct+0x4d/0x770 net/core/sock.c:2135
 sk_destruct net/core/sock.c:2183 [inline]
 __sk_free+0x175/0x460 net/core/sock.c:2194
 sk_free+0x7c/0xa0 net/core/sock.c:2205
 sock_put include/net/sock.h:1968 [inline]
 tcp_write_timer+0x24b/0x2b0 net/ipv4/tcp_timer.c:644
 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
 expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751
 __run_timers kernel/time/timer.c:2022 [inline]
 __run_timers kernel/time/timer.c:1995 [inline]
 run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
 __do_softirq+0x1d4/0x905 kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x114/0x190 kernel/softirq.c:650
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1107
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:do_shrink_slab+0x35/0xaa0 mm/vmscan.c:796
Code: 41 89 d4 55 48 89 fd 53 48 83 ec 60 e8 44 54 ce ff 49 8d 7e 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 a5 09 00 00 4d 8b 7e 10 31 ff 4c 89 fe e8 87 50 ce ff 4d 85
RSP: 0018:ffffc90000d077e8 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: fffffffffffffffe RCX: 0000000000000000
RDX: 1ffff1100ddb38f2 RSI: ffffffff81b3a42c RDI: ffff88806ed9c790
RBP: ffffc90000d078f0 R08: 0000000000000007 R09: fffffffffffffffe
R10: fffffffffffffffe R11: 0000000000000000 R12: 0000000000000000
R13: ffffc90000d078f0 R14: ffff88806ed9c780 R15: ffff888013e46000
 shrink_slab+0x175/0x660 mm/vmscan.c:1013
 shrink_one+0x502/0x810 mm/vmscan.c:5343
 shrink_many mm/vmscan.c:5394 [inline]
 lru_gen_shrink_node mm/vmscan.c:5511 [inline]
 shrink_node+0x2064/0x35f0 mm/vmscan.c:6459
 kswapd_shrink_node mm/vmscan.c:7262 [inline]
 balance_pgdat+0xa02/0x1ac0 mm/vmscan.c:7452
 kswapd+0x677/0xd60 mm/vmscan.c:7712
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
----------------
Code disassembly (best guess):
   0:	41 89 d4             	mov    %edx,%r12d
   3:	55                   	push   %rbp
   4:	48 89 fd             	mov    %rdi,%rbp
   7:	53                   	push   %rbx
   8:	48 83 ec 60          	sub    $0x60,%rsp
   c:	e8 44 54 ce ff       	callq  0xffce5455
  11:	49 8d 7e 10          	lea    0x10(%r14),%rdi
  15:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1c:	fc ff df
  1f:	48 89 fa             	mov    %rdi,%rdx
  22:	48 c1 ea 03          	shr    $0x3,%rdx
  26:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
* 2a:	0f 85 a5 09 00 00    	jne    0x9d5 <-- trapping instruction
  30:	4d 8b 7e 10          	mov    0x10(%r14),%r15
  34:	31 ff                	xor    %edi,%edi
  36:	4c 89 fe             	mov    %r15,%rsi
  39:	e8 87 50 ce ff       	callq  0xffce50c5
  3e:	4d                   	rex.WRB
  3f:	85                   	.byte 0x85