------------[ cut here ]------------
sk->sk_forward_alloc
WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x62b/0x740 net/ipv4/af_inet.c:162, CPU#1: syz.1.721/9624
Modules linked in:
CPU: 1 UID: 0 PID: 9624 Comm: syz.1.721 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:inet_sock_destruct+0x62b/0x740 net/ipv4/af_inet.c:162
Code: 0f 0b 90 e9 58 fe ff ff e8 92 d4 79 f7 90 0f 0b 90 e9 8b fe ff ff e8 84 d4 79 f7 90 0f 0b 90 e9 b1 fe ff ff e8 76 d4 79 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:ffffc900024cfc68 EFLAGS: 00010246
RAX: ffffffff8a4c9d0a RBX: dffffc0000000000 RCX: ffff888078a85d00
RDX: 0000000000000100 RSI: 0000000000000090 RDI: 0000000000000000
RBP: 0000000000000090 R08: ffff88807f4e7127 R09: 1ffff1100fe9ce24
R10: dffffc0000000000 R11: ffffed100fe9ce25 R12: ffff88807f4e6e80
R13: dffffc0000000000 R14: ffff88807f4e710c R15: ffffffff9010e380
FS:  00005555621d1500(0000) GS:ffff888125058000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b34509ff8 CR3: 0000000023708000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __sk_destruct+0x89/0x9d0 net/core/sock.c:2357
 rcu_do_batch kernel/rcu/tree.c:2645 [inline]
 rcu_core+0x78b/0x10a0 kernel/rcu/tree.c:2897
 handle_softirqs+0x225/0x840 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0x57/0xc0 arch/x86/kernel/apic/apic.c:1062
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0033:0x7f3566e6e33f
Code: 48 39 f2 73 13 66 0f 1f 44 00 00 48 8b 70 f8 48 83 e8 08 48 39 f2 72 f3 48 39 c3 73 3e 48 89 33 48 89 c6 48 83 c3 08 48 89 08 <48> 8b 0b 48 8b 55 00 eb c0 48 39 f2 72 a4 48 39 f0 0f 83 c0 00 00
RSP: 002b:00007ffc7d6d8ee0 EFLAGS: 00000212
RAX: 00007f3566dc0aa8 RBX: 00007f3566dc0940 RCX: ffffffff8a69ff55
RDX: ffffffff8a69ff55 RSI: 00007f3566dc0aa8 RDI: 00007f3566dc09f0
RBP: 00007f3566dc0928 R08: 00007f3567210000 R09: 00007f3567226038
R10: 0000000000000007 R11: 000000000000000d R12: 00007f3566dc0ab8
R13: 0000000000000013 R14: 0000000000000032 R15: 0000000000000007
 </TASK>