------------[ cut here ]------------
WARNING: CPU: 2 PID: 0 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x684/0x830 net/ipv4/af_inet.c:156
Modules linked in:
CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:inet_sock_destruct+0x684/0x830 net/ipv4/af_inet.c:156
Code: 0f 0b 90 e9 12 fe ff ff e8 89 9f a8 f7 90 0f 0b 90 e9 5e fe ff ff e8 7b 9f a8 f7 90 0f 0b 90 e9 94 fe ff ff e8 6d 9f a8 f7 90 <0f> 0b 90 e9 d3 fe ff ff e8 cf f5 0e f8 e9 d7 fc ff ff 4c 89 ff e8
RSP: 0018:ffffc90000648d90 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888032205e80 RCX: ffffffff8a12f0a7
RDX: ffff88801debc880 RSI: ffffffff8a12f1d3 RDI: 0000000000000005
RBP: 0000000000000ffd R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000ffd R11: 0000000000000002 R12: ffff888032205e80
R13: ffff888032205f10 R14: ffffc90000648e90 R15: 0000000000000003
FS: 0000000000000000(0000) GS:ffff8880d68bc000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f214e2bff98 CR3: 000000004ca9d000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000003 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
__sk_destruct+0x84/0x9a0 net/core/sock.c:2339
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0x799/0x1530 kernel/rcu/tree.c:2861
handle_softirqs+0x216/0x8e0 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82
Code: 5c 62 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d d3 72 16 00 fb f4 4c 09 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffc90000187df8 EFLAGS: 00000282
RAX: 00000000003c80a4 RBX: 0000000000000002 RCX: ffffffff8b939c29
RDX: ffffed100d4c6656 RSI: ffffffff8c162800 RDI: ffffffff81913321
RBP: ffffed1003bd7910 R08: 0000000000000000 R09: ffffed100d4c6655
R10: ffff88806a6332ab R11: 0000000000000000 R12: 0000000000000002
R13: ffff88801debc880 R14: ffffffff90ab4090 R15: 0000000000000000
arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
default_idle+0x13/0x20 arch/x86/kernel/process.c:757
default_idle_call+0x6d/0xb0 kernel/sched/idle.c:122
cpuidle_idle_call kernel/sched/idle.c:190 [inline]
do_idle+0x391/0x510 kernel/sched/idle.c:330
cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:428
start_secondary+0x21d/0x2b0 arch/x86/kernel/smpboot.c:315
common_startup_64+0x13e/0x148
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 02 c3 add %bl,%al
2: cc int3
3: cc int3
4: cc int3
5: cc int3
6: 0f 1f 00 nopl (%rax)
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
16: 90 nop
17: 90 nop
18: 90 nop
19: f3 0f 1e fa endbr64
1d: eb 07 jmp 0x26
1f: 0f 00 2d d3 72 16 00 verw 0x1672d3(%rip) # 0x1672f9
26: fb sti
27: f4 hlt
* 28: e9 4c 09 03 00 jmp 0x30979 <-- trapping instruction
2d: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
34: 00 00 00
37: 66 90 xchg %ax,%ax
39: 90 nop
3a: 90 nop
3b: 90 nop
3c: 90 nop
3d: 90 nop