------------[ cut here ]------------
sk->sk_forward_alloc
WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x62b/0x740, CPU#1: syz-executor/5621
Modules linked in:
CPU: 1 UID: 0 PID: 5621 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 c2 eb a1 f7 90 0f 0b 90 e9 8b fe ff ff e8 b4 eb a1 f7 90 0f 0b 90 e9 b1 fe ff ff e8 a6 eb a1 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: ffffffff8a23637a RBX: dffffc0000000000 RCX: ffff888172033b80
RDX: 0000000000000100 RSI: 0000000000000f70 RDI: 0000000000000000
RBP: 0000000000000f70 R08: ffff88810acb02a7 R09: 1ffff11021596054
R10: dffffc0000000000 R11: ffffed1021596055 R12: ffff88810acb0000
R13: dffffc0000000000 R14: ffff88810acb028c R15: ffffffff8fe9fb40
FS:  000055555abb5500(0000) GS:ffff8882a92b0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0266de83b0 CR3: 00000001bb25c000 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:rep_movs_alternative+0x33/0x90
Code: 73 25 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 <48> 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08 73 e8 eb
RSP: 0018:ffffc90004a17d58 EFLAGS: 00000212
RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000000010
RDX: 0000000000000001 RSI: 00007ffd4c14f4c0 RDI: ffffc90004a17da0
RBP: ffffc90004a17e10 R08: ffffc90004a17daf R09: 1ffff92000942fb5
R10: dffffc0000000000 R11: fffff52000942fb6 R12: 1ffff92000942fb0
R13: dffffc0000000000 R14: ffffc90004a17da0 R15: 00007ffd4c14f4c0
 _copy_from_user+0x7a/0xb0
 get_timespec64+0x96/0x1b0
 __se_sys_clock_nanosleep+0x1ce/0x3b0
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f313b15d68e
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:00007ffd4c14f468 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 000055555abb5500 RCX: 00007f313b15d68e
RDX: 00007ffd4c14f4c0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd4c14f52c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000001388
R13: 00000000000927c0 R14: 000000000001f1cf R15: 00007ffd4c14f580
 </TASK>
