------------[ cut here ]------------
sk->sk_forward_alloc
WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x62d/0x740, CPU#0: syz.8.1943/14764
Modules linked in:
CPU: 0 UID: 0 PID: 14764 Comm: syz.8.1943 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 a0 54 9f f7 90 0f 0b 90 e9 8b fe ff ff e8 92 54 9f f7 90 0f 0b 90 e9 b1 fe ff ff e8 84 54 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:ffffc90000007d20 EFLAGS: 00010246
RAX: ffffffff8a26437c RBX: dffffc0000000000 RCX: ffff88810f3dd880
RDX: 0000000000000100 RSI: 0000000000000f70 RDI: 0000000000000000
RBP: 0000000000000f70 R08: ffff88816d4493a7 R09: 1ffff1102da89274
R10: dffffc0000000000 R11: ffffed102da89275 R12: ffff88816d449100
R13: ffff88816d449608 R14: ffff88816d44938c R15: ffffffff8feaef80
FS:  00007f0c018556c0(0000) GS:ffff88818dc96000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0bf70f8000 CR3: 0000000112e16000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 __sk_destruct+0x8d/0x9d0
 rcu_core+0x7cd/0x1070
 handle_softirqs+0x22a/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:kasan_check_range+0x81/0x2c0
Code: ff df 4f 8d 1c 17 49 ff c8 4d 89 c1 49 c1 e9 03 48 bb 01 00 00 00 00 fc ff df 4d 8d 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 <4d> 85 e4 0f 84 3d 01 00 00 4c 89 cb 48 f7 d3 4c 01 fb 41 80 3b 00
RSP: 0000:ffffc900048f7ac0 EFLAGS: 00000283
RAX: 0000000000000001 RBX: dffffc0000000001 RCX: ffffffff81a2409d
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8881000a2060
RBP: 1ffff9200091efb7 R08: ffff8881000a2063 R09: 1ffff1102001440c
R10: dffffc0000000000 R11: ffffed102001440c R12: 0000000000000001
R13: 0000000000000000 R14: ffffed102001440d R15: 1ffff1102001440c
 do_raw_spin_unlock+0x4d/0x210
 _raw_spin_unlock+0x1e/0x50
 do_pte_missing+0x2b23/0x33e0
 handle_mm_fault+0x1bd7/0x3170
 do_user_addr_fault+0xa73/0x1340
 exc_page_fault+0x6a/0xc0
 asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7f0c00853f0e
Code: c1 49 39 4f 08 72 54 8d 4d ff 85 ed 74 3b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 39 f0 72 1b 4d 8b 07 49 89 c1 49 29 f1 <47> 0f b6 0c 08 45 84 c9 74 08 45 88 0c 00 49 8b 47 10 48 83 c0 01
RSP: 002b:00007f0c01854470 EFLAGS: 00010206
RAX: 0000000000af8001 RBX: 00007f0c01854530 RCX: 00000000000000de
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00007f0c018545d0
RBP: 0000000000000102 R08: 00007f0bf6600000 R09: 0000000000af8000
R10: 0000000000000000 R11: 00007f0c01854540 R12: 0000000000000001
R13: 00007f0c00a52900 R14: 0000000000000000 R15: 00007f0c018545d0
 </TASK>
