------------[ cut here ]------------
WARNING: CPU: 3 PID: 0 at net/ipv4/af_inet.c:154 inet_sock_destruct+0x6df/0x8a0 net/ipv4/af_inet.c:154
Modules linked in:
CPU: 3 PID: 0 Comm: swapper/3 Not tainted 6.3.0-syzkaller-07927-g32f7ad0fbe75 #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 e1 e7 f8 0f 0b e9 07 fe ff ff e8 a9 e1 e7 f8 0f 0b e9 3f fe ff ff e8 9d e1 e7 f8 0f 0b e9 95 fd ff ff e8 91 e1 e7 f8 <0f> 0b e9 9f fe ff ff e8 e5 a7 39 f9 e9 7a fc ff ff 4c 89 e7 e8 18
RSP: 0018:ffffc900005d8c48 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000ffff9000 RCX: 0000000000000100
RDX: ffff888013d58000 RSI: ffffffff889bb5ef RDI: 0000000000000005
RBP: ffff88804e842640 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffff9000 R11: 0000000000000001 R12: ffff88804e842668
R13: ffff88804e8428b4 R14: ffff88804e8426c0 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88802c900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000057a9e3e8 CR3: 00000000694e7000 CR4: 0000000000350ee0
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:704
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 f3 fe 3d 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:ffffc9000047fe10 EFLAGS: 00000242
RAX: 00000000007a9191 RBX: 0000000000000003 RCX: ffffffff8a087835
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff888013d58000 R08: 0000000000000001 R09: ffff88802c936ceb
R10: ffffed1005926d9d R11: 0000000000000000 R12: ffffed10027ab000
R13: 0000000000000003 R14: ffffffff8e7878d0 R15: 0000000000000000
default_idle_call+0x67/0xa0 kernel/sched/idle.c:97
cpuidle_idle_call kernel/sched/idle.c:170 [inline]
do_idle+0x31e/0x3e0 kernel/sched/idle.c:282
cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379
start_secondary+0x221/0x2b0 arch/x86/kernel/smpboot.c:269
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 f3 fe 3d 00 verw 0x3dfef3(%rip) # 0x3dff1b
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