------------[ cut here ]------------
sk->sk_forward_alloc
WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x62d/0x740, CPU#0: syz.6.5968/20181
Modules linked in:
CPU: 0 UID: 0 PID: 20181 Comm: syz.6.5968 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 c0 c6 9e f7 90 0f 0b 90 e9 8b fe ff ff e8 b2 c6 9e f7 90 0f 0b 90 e9 b1 fe ff ff e8 a4 c6 9e 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:ffffc90000007d20 EFLAGS: 00010246
RAX: ffffffff8a26dd9c RBX: dffffc0000000000 RCX: ffff88811cb85880
RDX: 0000000000000100 RSI: 0000000000000090 RDI: 0000000000000000
RBP: 0000000000000090 R08: ffff888168d2a4a7 R09: 1ffff1102d1a5494
R10: dffffc0000000000 R11: ffffed102d1a5495 R12: ffff888168d2a200
R13: ffff888168d2a708 R14: ffff888168d2a48c R15: ffffffff8feaef40
FS:  0000555586981500(0000) GS:ffff88818dc90000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f96a874da08 CR3: 0000000112a54000 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:__mem_cgroup_uncharge_folios+0x143/0x1d0
Code: c7 c7 00 85 ab 8e 4c 89 e6 e8 f9 67 b5 02 eb af 44 89 f1 80 e1 07 38 c1 7c d3 4c 89 f7 e8 05 25 f7 ff eb c9 48 83 7c 24 40 00 <74> 0a 48 8d 7c 24 40 e8 01 fb ff ff 48 8b 44 24 18 42 c7 44 28 04
RSP: 0018:ffffc90003997520 EFLAGS: 00000282
RAX: 0000000000000017 RBX: 1ffff92000732ef4 RCX: 0000000000000046
RDX: 0000000000000001 RSI: ffffffff8e21c06f RDI: ffff88811cb85880
RBP: ffffc90003997610 R08: ffffffff823a34e9 R09: ffffffff8e95cda0
R10: dffffc0000000000 R11: fffff940008c0dd1 R12: 0000000000000017
R13: dffffc0000000000 R14: ffffc900039977a0 R15: ffffc90003997860
 folios_put_refs+0xa35/0xb80
 free_pages_and_swap_cache+0x2b9/0x490
 tlb_flush_mmu+0x6b4/0xa10
 tlb_finish_mmu+0xf9/0x230
 exit_mmap+0x498/0x9e0
 __mmput+0x118/0x430
 exit_mm+0x18e/0x250
 do_exit+0x6a2/0x22c0
 do_group_exit+0x21b/0x2d0
 __x64_sys_exit_group+0x3f/0x40
 x64_sys_call+0x221a/0x2240
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f28e379cdd9
Code: Unable to access opcode bytes at 0x7f28e379cdaf.
RSP: 002b:00007ffdaa8b2728 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28e379cdd9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffdaa8b278c R08: 0000000000000000 R09: 00000000000927c0
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000620
R13: 00000000000927c0 R14: 0000000000077eb0 R15: 00007ffdaa8b27e0
 </TASK>
