------------[ cut here ]------------
sk->sk_forward_alloc
WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x62d/0x740, CPU#1: syz-executor/31915
Modules linked in:
CPU: 1 UID: 0 PID: 31915 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+0x62d/0x740
Code: 0f 0b 90 e9 58 fe ff ff e8 e0 34 9f f7 90 0f 0b 90 e9 8b fe ff ff e8 d2 34 9f f7 90 0f 0b 90 e9 b1 fe ff ff e8 c4 34 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: 0018:ffffc90000a08d20 EFLAGS: 00010246
RAX: ffffffff8a266eec RBX: dffffc0000000000 RCX: ffff88811f2e0000
RDX: 0000000000000100 RSI: 0000000000000f70 RDI: 0000000000000000
RBP: 0000000000000f70 R08: ffff88816a1902a7 R09: 1ffff1102d432054
R10: dffffc0000000000 R11: ffffed102d432055 R12: ffff88816a190000
R13: ffff88816a190508 R14: ffff88816a19028c R15: ffffffff8fead480
FS:  00005555642b7500(0000) GS:ffff8882a9293000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f35273ada40 CR3: 000000011e638000 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:rcu_is_watching+0x67/0xb0
Code: 89 f7 e8 ac 17 86 00 48 c7 c3 d8 09 3a 93 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 75 34 8b 03 65 ff 0d 19 09 8e 11 <74> 11 83 e0 04 c1 e8 02 5b 41 5e 41 5f c3 cc cc cc cc cc e8 41 d4
RSP: 0018:ffffc900036e7698 EFLAGS: 00000286
RAX: 00000000003ee9ac RBX: ffff88823c6339d8 RCX: 0000000080000001
RDX: ffffc900036e7701 RSI: ffffffff8c28aa40 RDI: ffffffff8c28aa00
RBP: dffffc0000000000 R08: ffffc900036e7ee0 R09: 0000000000000000
R10: ffffc900036e77d8 R11: fffff520006dcefd R12: ffffc900036e7ef0
R13: ffffc900036e0000 R14: ffffffff8e262798 R15: dffffc0000000000
 unwind_next_frame+0x1b76/0x2550
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_lru_noprof+0x2b8/0x640
 shmem_alloc_inode+0x28/0x40
 alloc_inode+0x6a/0x1b0
 new_inode+0x22/0x170
 shmem_get_inode+0x3cd/0xfd0
 shmem_symlink+0xa3/0x470
 vfs_symlink+0x195/0x340
 filename_symlinkat+0x1cd/0x410
 __se_sys_symlinkat+0x4e/0x2b0
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f352739be97
Code: 44 00 00 48 89 f2 31 c9 48 89 fe bf 9c ff ff ff e9 8e f5 ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 b8 0a 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdeaa8b478 EFLAGS: 00000206 ORIG_RAX: 000000000000010a
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f352739be97
RDX: 00007f3527433d22 RSI: 00000000ffffff9c RDI: 00007ffdeaa8b510
RBP: 00007ffdeaa8b4bc R08: 0000000000000001 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000154f
R13: 00000000000927c0 R14: 0000000000157d8d R15: 00007ffdeaa8b510
 </TASK>
