------------[ cut here ]------------
sk->sk_forward_alloc
WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x62b/0x740, CPU#1: udevd/5618
Modules linked in:
CPU: 1 UID: 0 PID: 5618 Comm: udevd 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 b2 cf 93 f7 90 0f 0b 90 e9 8b fe ff ff e8 a4 cf 93 f7 90 0f 0b 90 e9 b1 fe ff ff e8 96 cf 93 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: ffffffff8a3292aa RBX: dffffc0000000000 RCX: ffff8881bb470000
RDX: 0000000000000100 RSI: 0000000000000f70 RDI: 0000000000000000
RBP: 0000000000000f70 R08: ffff8881144abe27 R09: 1ffff110228957c4
R10: dffffc0000000000 R11: ffffed10228957c5 R12: ffff8881144abb80
R13: dffffc0000000000 R14: ffff8881144abe0c R15: ffffffff8fece280
FS:  00007f942eaa1c80(0000) GS:ffff8882a921c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0ea3da7ff8 CR3: 00000001bdd8e000 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:__sanitizer_cov_trace_pc+0x36/0x70
Code: b8 dd 79 11 65 8b 15 d9 dd 79 11 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 24 17 00 00 00 74 2c 8b 91 f8 16 00 00 <83> fa 02 75 21 48 8b 91 00 17 00 00 48 8b 32 48 8d 7e 01 8b 89 fc
RSP: 0018:ffffc90004acf828 EFLAGS: 00000246
RAX: ffffffff824be5e0 RBX: ffffc90004acfad8 RCX: ffff8881bb470000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90004acfaa0
RBP: dffffc0000000000 R08: ffff8881bb470000 R09: 0000000000000002
R10: 000000000000002f R11: 0000000000000000 R12: ffffc90004acfaa0
R13: ffffc90004acfaf0 R14: 0000000000000077 R15: ffff8881696ed022
 lookup_fast+0x20/0x5d0
 link_path_walk+0x71f/0x1910
 path_lookupat+0xe4/0x8c0
 filename_lookup+0x265/0x5d0
 vfs_statx+0xfc/0x200
 vfs_fstatat+0x11b/0x170
 __x64_sys_newfstatat+0x151/0x200
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f942eb775f4
Code: 64 c7 00 09 00 00 00 83 c8 ff c3 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 00 00 00 00 41 89 ca b8 06 01 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 10 48 8b 15 03 a8 0d 00 f7 d8 41 83 c8
RSP: 002b:00007ffefc447a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f942eb775f4
RDX: 00007ffefc447a58 RSI: 00007ffefc447b27 RDI: 00000000ffffff9c
RBP: 00007ffefc448b60 R08: 00007ffefc448b78 R09: 00007ffefc4484e8
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffefc448b78
R13: 0000000000000000 R14: 0000000000000008 R15: 0000562dfa1e8910
 </TASK>
