------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at net/ipv4/af_inet.c:154 inet_sock_destruct+0x6df/0x8a0 net/ipv4/af_inet.c:154
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.3.0-syzkaller-11733-g825a0714d2b3 #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 b5 06 e2 f8 0f 0b e9 07 fe ff ff e8 a9 06 e2 f8 0f 0b e9 3f fe ff ff e8 9d 06 e2 f8 0f 0b e9 95 fd ff ff e8 91 06 e2 f8 <0f> 0b e9 9f fe ff ff e8 45 d6 33 f9 e9 7a fc ff ff 4c 89 e7 e8 78
RSP: 0018:ffffc90000007c48 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000ffff9000 RCX: 0000000000000100
RDX: ffffffff8c495780 RSI: ffffffff88a178cf RDI: 0000000000000005
RBP: ffff88801b531100 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffff9000 R11: 0000000000000050 R12: ffff88801b531128
R13: ffff88801b531374 R14: ffff88801b531180 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88802c600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb2cf0ccef CR3: 0000000026a23000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__sk_destruct+0x4d/0x770 net/core/sock.c:2130
sk_destruct net/core/sock.c:2178 [inline]
__sk_free+0x175/0x460 net/core/sock.c:2189
sk_free+0x7c/0xa0 net/core/sock.c:2200
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:1106
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:default_idle+0xf/0x20 arch/x86/kernel/process.c:711
Code: 89 07 49 c7 c0 08 00 00 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 76 ff ff ff cc cc cc cc f3 0f 1e fa 66 90 0f 00 2d 93 16 38 00 fb f4 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 65
RSP: 0018:ffffffff8c407e08 EFLAGS: 00000246
RAX: 00000000002c3847 RBX: 0000000000000000 RCX: ffffffff8a0e68d5
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff88802c636ceb
R10: ffffed10058c6d9d R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff8e79d650 R14: 0000000000000000 R15: 0000000000000000
default_idle_call+0x67/0xa0 kernel/sched/idle.c:97
cpuidle_idle_call kernel/sched/idle.c:170 [inline]
do_idle+0x317/0x3c0 kernel/sched/idle.c:282
cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379
rest_init+0x16f/0x2b0 init/main.c:735
arch_call_rest_init+0x13/0x30 init/main.c:834
start_kernel+0x3b6/0x490 init/main.c:1088
x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:556
x86_64_start_kernel+0xb3/0xc0 arch/x86/kernel/head64.c:537
secondary_startup_64_no_verify+0xf4/0xfb
----------------
Code disassembly (best guess):
0: 89 07 mov %eax,(%rdi)
2: 49 c7 c0 08 00 00 00 mov $0x8,%r8
9: 4d 29 c8 sub %r9,%r8
c: 4c 01 c7 add %r8,%rdi
f: 4c 29 c2 sub %r8,%rdx
12: e9 76 ff ff ff jmpq 0xffffff8d
17: cc int3
18: cc int3
19: cc int3
1a: cc int3
1b: f3 0f 1e fa endbr64
1f: 66 90 xchg %ax,%ax
21: 0f 00 2d 93 16 38 00 verw 0x381693(%rip) # 0x3816bb
28: fb sti
29: f4 hlt
* 2a: fa cli <-- trapping instruction
2b: c3 retq
2c: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1)
33: 00 00 00 00
37: 0f 1f 40 00 nopl 0x0(%rax)
3b: f3 0f 1e fa endbr64
3f: 65 gs