------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at net/ipv4/af_inet.c:157 inet_sock_destruct+0x681/0x790 net/ipv4/af_inet.c:157
Modules linked in:
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.30-syzkaller-gd893caf112c8 #0 64e33962539d0ce7a45dea9f0941eea22919d800
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:inet_sock_destruct+0x681/0x790 net/ipv4/af_inet.c:157
Code: a3 e8 03 d8 c8 fc 0f 0b e9 53 fe ff ff e8 f7 d7 c8 fc 0f 0b e9 92 fe ff ff e8 eb d7 c8 fc 0f 0b e9 c4 fe ff ff e8 df d7 c8 fc <0f> 0b e9 f6 fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 65 fc ff
RSP: 0018:ffffc900000079a0 EFLAGS: 00010246
RAX: ffffffff84bcd071 RBX: 0000000080002000 RCX: ffffffff87215540
RDX: 0000000000000100 RSI: 0000000080002000 RDI: 0000000000000000
RBP: ffffc900000079e8 R08: ffff888148d8957f R09: 1ffff110291b12af
R10: dffffc0000000000 R11: ffffed10291b12b0 R12: ffff888148d89400
R13: ffff888148d89400 R14: ffff888148d89564 R15: 1ffff110291b1282
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5d96ff3d58 CR3: 0000000137e48000 CR4: 00000000003526b0
DR0: 0000000000000045 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __sk_destruct+0x6b/0x6a0 net/core/sock.c:2277
 sk_destruct net/core/sock.c:2325 [inline]
 __sk_free+0x313/0x410 net/core/sock.c:2336
 sk_free+0x58/0xb0 net/core/sock.c:2347
 tcp_wfree+0x299/0x500 net/ipv4/tcp_output.c:1240
 skb_release_head_state+0x112/0x260 net/core/skbuff.c:1187
 skb_release_all net/core/skbuff.c:1198 [inline]
 __kfree_skb+0x29/0x210 net/core/skbuff.c:1214
 sk_skb_reason_drop+0xd8/0x310 net/core/skbuff.c:1252
 kfree_skb_reason include/linux/skbuff.h:1271 [inline]
 arp_error_report+0xd7/0xf0 net/ipv4/arp.c:297
 neigh_invalidate+0x25c/0x490 net/core/neighbour.c:1061
 neigh_timer_handler+0x90b/0xf20 net/core/neighbour.c:1148
 call_timer_fn+0x49/0x300 kernel/time/timer.c:1797
 expire_timers kernel/time/timer.c:1848 [inline]
 __run_timers kernel/time/timer.c:2422 [inline]
 __run_timer_base+0x6b3/0x9a0 kernel/time/timer.c:2434
 run_timer_base kernel/time/timer.c:2443 [inline]
 run_timer_softirq+0x35/0x70 kernel/time/timer.c:2453
 handle_softirqs+0x1ae/0x630 kernel/softirq.c:603
 __do_softirq kernel/softirq.c:641 [inline]
 invoke_softirq kernel/softirq.c:458 [inline]
 __irq_exit_rcu+0x48/0xc0 kernel/softirq.c:690
 irq_exit_rcu+0xd/0x30 kernel/softirq.c:702
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x82/0x90 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
RIP: 0010:pv_native_safe_halt+0x17/0x20 arch/x86/kernel/paravirt.c:106
Code: cc cc cc b8 85 52 9d b0 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 73 9c 41 00 f3 0f 1e fa 55 48 89 e5 fb f4 <5d> e9 83 57 02 00 cc cc cc b8 00 00 00 00 90 90 90 90 90 90 90 90
RSP: 0018:ffffffff87207da0 EFLAGS: 000002c6
RAX: ffff8881f6e00000 RBX: ffffffff87215540 RCX: ffffffff8585b00e
RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000c22a1c
RBP: ffffffff87207da0 R08: ffff8881f6e39733 R09: 1ffff1103edc72e6
R10: dffffc0000000000 R11: ffffed103edc72e7 R12: 1ffffffff0e42aa8
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87ca75e8
 arch_safe_halt arch/x86/include/asm/paravirt.h:112 [inline]
 default_idle+0x17/0x30 arch/x86/kernel/process.c:748
 arch_cpu_idle+0xd/0x20 arch/x86/kernel/process.c:785
 default_idle_call+0x3f/0x80 kernel/sched/idle.c:117
 cpuidle_idle_call kernel/sched/idle.c:185 [inline]
 do_idle+0x1a0/0x470 kernel/sched/idle.c:326
 cpu_startup_entry+0x48/0x70 kernel/sched/idle.c:424
 rest_init+0x10b/0x130 init/main.c:748
 start_kernel+0x46a/0x4bb init/main.c:1135
 x86_64_start_reservations+0x2e/0x30 arch/x86/kernel/head64.c:507
 x86_64_start_kernel+0x6a/0x7b arch/x86/kernel/head64.c:488
 common_startup_64+0x13b/0x157
 </TASK>
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	cc                   	int3
   1:	cc                   	int3
   2:	cc                   	int3
   3:	b8 85 52 9d b0       	mov    $0xb09d5285,%eax
   8:	90                   	nop
   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:	f3 0f 1e fa          	endbr64
  17:	66 90                	xchg   %ax,%ax
  19:	0f 00 2d 73 9c 41 00 	verw   0x419c73(%rip)        # 0x419c93
  20:	f3 0f 1e fa          	endbr64
  24:	55                   	push   %rbp
  25:	48 89 e5             	mov    %rsp,%rbp
  28:	fb                   	sti
  29:	f4                   	hlt
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	e9 83 57 02 00       	jmp    0x257b3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	b8 00 00 00 00       	mov    $0x0,%eax
  38:	90                   	nop
  39:	90                   	nop
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop