------------[ cut here ]------------
sk->sk_forward_alloc
WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x62b/0x740, CPU#0: syz.0.2958/17572
Modules linked in:
CPU: 0 UID: 0 PID: 17572 Comm: syz.0.2958 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 a2 90 93 f7 90 0f 0b 90 e9 8b fe ff ff e8 94 90 93 f7 90 0f 0b 90 e9 b1 fe ff ff e8 86 90 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:ffffc90000007d28 EFLAGS: 00010246
RAX: ffffffff8a32d1ba RBX: dffffc0000000000 RCX: ffff88810b169dc0
RDX: 0000000000000100 RSI: 0000000000000090 RDI: 0000000000000000
RBP: 0000000000000090 R08: ffff88816894be27 R09: 1ffff1102d1297c4
R10: dffffc0000000000 R11: ffffed102d1297c5 R12: ffff88816894bb80
R13: dffffc0000000000 R14: ffff88816894be0c R15: ffffffff8feceac0
FS:  00007f0f019376c0(0000) GS:ffff88818dc1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000d96000 CR3: 0000000115f00000 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:lock_release+0x93/0x3c0
Code: 0f 85 0d 02 00 00 65 4c 8b 3d f1 0a 9e 11 41 83 bf 9c 0b 00 00 00 0f 85 f7 01 00 00 49 81 3e 20 15 04 94 0f 84 ea 01 00 00 9c <5b> fa 48 c7 c7 2f e9 ff 8d e8 df ad 13 0a 65 ff 05 a8 4f 9e 11 c7
RSP: 0018:ffffc90004c0f090 EFLAGS: 00000206
RAX: 0000000000000000 RBX: ffffc90004c0f1b8 RCX: 0000000080000001
RDX: ffffc90004c0f101 RSI: ffffffff8c2ab860 RDI: ffffffff8c2ab820
RBP: 1ffffffff22e1001 R08: ffffc90004c0ff38 R09: 0000000000000000
R10: ffffc90004c0f1f8 R11: fffff52000981e41 R12: ffffc90004c08000
R13: ffffffff8176e27f R14: ffffffff8e959c60 R15: ffff88810b169dc0
 unwind_next_frame+0x1baa/0x2550
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 save_stack+0x122/0x230
 __set_page_owner+0x8d/0x4c0
 post_alloc_hook+0x1f9/0x250
 get_page_from_freelist+0x21fa/0x2270
 __alloc_frozen_pages_noprof+0x18d/0x380
 alloc_pages_mpol+0x212/0x380
 folio_alloc_mpol_noprof+0x39/0x160
 shmem_alloc_and_add_folio+0x43e/0xf60
 shmem_get_folio_gfp+0x5da/0x16d0
 shmem_write_begin+0x16c/0x330
 generic_perform_write+0x2d5/0x8f0
 shmem_file_write_iter+0xf8/0x120
 vfs_write+0x612/0xba0
 ksys_write+0x150/0x270
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0f0099ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f0f01937028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0f00c15fa0 RCX: 00007f0f0099ce59
RDX: 00000000ffffff6a RSI: 0000200000000000 RDI: 0000000000000006
RBP: 00007f0f00a32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0f00c16038 R14: 00007f0f00c15fa0 R15: 00007fffe7787e38
 </TASK>
