------------[ cut here ]------------
sk->sk_forward_alloc
WARNING: net/ipv4/af_inet.c:163 at inet_sock_destruct+0x62d/0x740, CPU#1: syz.0.1268/11233
Modules linked in:
CPU: 1 UID: 0 PID: 11233 Comm: syz.0.1268 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
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+0x62d/0x740
Code: 0f 0b 90 e9 58 fe ff ff e8 40 3f 9f f7 90 0f 0b 90 e9 8b fe ff ff e8 32 3f 9f f7 90 0f 0b 90 e9 b1 fe ff ff e8 24 3f 9f 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: 0000:ffffc90006e4fc68 EFLAGS: 00010246
RAX: ffffffff8a2680cc RBX: dffffc0000000000 RCX: ffff8881708f57c0
RDX: 0000000000000100 RSI: 0000000000000090 RDI: 0000000000000000
RBP: 0000000000000090 R08: ffff88810ad41c27 R09: 1ffff110215a8384
R10: dffffc0000000000 R11: ffffed10215a8385 R12: ffff88810ad41980
R13: dffffc0000000000 R14: ffff88810ad41c0c R15: ffffffff8fcae080
FS:  0000555556af9500(0000) GS:ffff8882a9454000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fd13ff8 CR3: 00000001a74d0000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __sk_destruct+0x85/0x880
 rcu_core+0x7cd/0x1070
 handle_softirqs+0x22a/0x870
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0x57/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0033:0x7f60e3450801
Code: 39 d0 75 dc 48 89 f0 25 ff 1f 00 00 49 89 34 c1 41 88 3c 00 31 c0 c3 66 90 41 38 3c 10 74 0b 41 88 3c 10 31 c0 49 89 34 d1 c3 <b8> 01 00 00 00 c3 66 0f 1f 84 00 00 00 00 00 48 83 ec 28 48 89 7c
RSP: 002b:00007ffd4a7c8e38 EFLAGS: 00000246
RAX: 0000000089943d9c RBX: ffffffff89943d9b RCX: ffffffff89943d9b
RDX: 0000000000001d9c RSI: ffffffff89943d9b RDI: 0000000000000005
RBP: 0000000000000b09 R08: 00007f60e3800000 R09: 00007f60e3802000
R10: 0000000089943d9f R11: 0000000000000005 R12: 00007f60e3816038
R13: 000000000000b55e R14: ffffffff89943d9b R15: 00007f60e4345720
 </TASK>
