------------[ cut here ]------------
sk->sk_forward_alloc
WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x62b/0x740, CPU#1: syz-executor/8171
Modules linked in:
CPU: 1 UID: 0 PID: 8171 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:inet_sock_destruct+0x62b/0x740
Code: 0f 0b 90 e9 58 fe ff ff e8 22 45 95 f7 90 0f 0b 90 e9 8b fe ff ff e8 14 45 95 f7 90 0f 0b 90 e9 b1 fe ff ff e8 06 45 95 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:ffffc90000a08d28 EFLAGS: 00010246
RAX: ffffffff8a312c7a RBX: dffffc0000000000 RCX: ffff88810c895940
RDX: 0000000000000100 RSI: 0000000000000f70 RDI: 0000000000000000
RBP: 0000000000000f70 R08: ffff8881ba3557a7 R09: 1ffff1103746aaf4
R10: dffffc0000000000 R11: ffffed103746aaf5 R12: ffff8881ba355500
R13: dffffc0000000000 R14: ffff8881ba35578c R15: ffffffff8fecbcc0
FS:  0000555589fbf500(0000) GS:ffff8882a9225000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffee7e86ff4 CR3: 00000001184c4000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 __sk_destruct+0x89/0x9d0
 rcu_core+0x78b/0x10a0
 handle_softirqs+0x225/0x840
 __irq_exit_rcu+0xca/0x220
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:lock_release+0x2d7/0x3c0
Code: 9e 9d 11 00 00 00 00 eb b5 e8 e5 9e 11 0a f7 c3 00 02 00 00 74 b9 65 48 8b 05 d5 59 9d 11 48 3b 44 24 28 75 44 fb 48 83 c4 30 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d 92 11 94
RSP: 0018:ffffc900027df948 EFLAGS: 00000286
RAX: 1c592d4a9d3a4500 RBX: 0000000000000206 RCX: 0000000000000046
RDX: 0000000000000000 RSI: ffffffff8e25ab6a RDI: ffffffff8c2a9f80
RBP: ffff88810c8964e0 R08: ffffc900027dff48 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8e959c20 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8e959c20 R15: ffff88810c895940
 unwind_next_frame+0x1baa/0x2550
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 kmem_cache_free+0x44f/0x650
 fput_close_sync+0x11f/0x240
 __x64_sys_close+0x7e/0x110
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4915d9bfc7
Code: 44 00 00 48 83 ec 10 48 63 ff 45 31 c9 45 31 c0 6a 01 31 c9 e8 3a c0 fb ff 48 83 c4 18 c3 0f 1f 44 00 00 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffee7e87668 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f4915d9bfc7
RDX: 000000000000e621 RSI: 0000555589fd29e0 RDI: 0000000000000003
RBP: 00007f4915e322ca R08: 00000000000065e0 R09: 00000000ffffffff
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffee7e887b0
R13: 00007f4915e322ca R14: 000000000006c63c R15: 00007ffee7e887f0
 </TASK>
