------------[ cut here ]------------
sk->sk_forward_alloc
WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x62d/0x740 net/ipv4/af_inet.c:162, CPU#0: syz-executor/5629
Modules linked in:
CPU: 0 UID: 0 PID: 5629 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:inet_sock_destruct+0x62d/0x740 net/ipv4/af_inet.c:162
Code: 0f 0b 90 e9 58 fe ff ff e8 10 a8 9d f7 90 0f 0b 90 e9 8b fe ff ff e8 02 a8 9d f7 90 0f 0b 90 e9 b1 fe ff ff e8 f4 a7 9d f7 90 <0f> 0b 90 e9 d7 fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 95 fc
RSP: 0018:ffffc90000007d20 EFLAGS: 00010246
RAX: ffffffff8a281ccc RBX: dffffc0000000000 RCX: ffff88803452bd80
RDX: 0000000000000100 RSI: 0000000000000090 RDI: 0000000000000000
RBP: 0000000000000090 R08: ffff888029bba4a7 R09: 1ffff11005377494
R10: dffffc0000000000 R11: ffffed1005377495 R12: ffff888029bba200
R13: ffff888029bba708 R14: ffff888029bba48c R15: ffffffff8feb2d40
FS:  00005555572b8500(0000) GS:ffff888125276000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5b211ea540 CR3: 00000000327a0000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 __sk_destruct+0x8d/0x9d0 net/core/sock.c:2352
 rcu_do_batch kernel/rcu/tree.c:2617 [inline]
 rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869
 handle_softirqs+0x22a/0x840 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1061
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:finish_task_switch+0x427/0xbe0 kernel/sched/core.c:5245
Code: 41 c7 84 24 e0 0d 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 16 a8 18 0a e8 21 fb 38 00 fb 49 8d bd b0 16 00 00 <48> 89 f8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 7b 03 00 00 41 80
RSP: 0018:ffffc90003ed7930 EFLAGS: 00000202
RAX: 000000000008a26b RBX: 1ffff110170c7784 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8dfb6879 RDI: ffff88803452d430
RBP: ffffc90003ed7990 R08: ffffffff903135f7 R09: 1ffffffff20626be
R10: dffffc0000000000 R11: fffffbfff20626bf R12: ffff8880b863ae88
R13: ffff88803452bd80 R14: ffff88803619dc40 R15: dffffc0000000000
 context_switch kernel/sched/core.c:5391 [inline]
 __schedule+0x1829/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 do_nanosleep+0x1c2/0x620 kernel/time/hrtimer.c:2293
 hrtimer_nanosleep+0x18f/0x3a0 kernel/time/hrtimer.c:2339
 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1391 [inline]
 __se_sys_clock_nanosleep+0x35b/0x3b0 kernel/time/posix-timers.c:1368
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb87e75d68e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ffe1272de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 00005555572b8500 RCX: 00007fb87e75d68e
RDX: 00007ffe1272dec0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffe1272df2c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000001388
R13: 00000000000927c0 R14: 000000000001d5b7 R15: 00007ffe1272df80
 </TASK>
----------------
Code disassembly (best guess):
   0:	41 c7 84 24 e0 0d 00 	movl   $0x0,0xde0(%r12)
   7:	00 00 00 00 00
   c:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  11:	49 83 c4 48          	add    $0x48,%r12
  15:	4c 89 e7             	mov    %r12,%rdi
  18:	e8 16 a8 18 0a       	call   0xa18a833
  1d:	e8 21 fb 38 00       	call   0x38fb43
  22:	fb                   	sti
  23:	49 8d bd b0 16 00 00 	lea    0x16b0(%r13),%rdi
* 2a:	48 89 f8             	mov    %rdi,%rax <-- trapping instruction
  2d:	48 c1 e8 03          	shr    $0x3,%rax
  31:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax
  36:	84 c0                	test   %al,%al
  38:	0f 85 7b 03 00 00    	jne    0x3b9
  3e:	41                   	rex.B
  3f:	80                   	.byte 0x80