------------[ 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.2.1473/11479
Modules linked in:
CPU: 1 UID: 0 PID: 11479 Comm: syz.2.1473 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 62 e4 a0 f7 90 0f 0b 90 e9 8b fe ff ff e8 54 e4 a0 f7 90 0f 0b 90 e9 b1 fe ff ff e8 46 e4 a0 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: ffffffff8a2511da RBX: dffffc0000000000 RCX: ffff88801df53e00
RDX: 0000000000000100 RSI: 0000000000000f70 RDI: 0000000000000000
RBP: 0000000000000f70 R08: ffff8880780a6027 R09: 1ffff1100f014c04
R10: dffffc0000000000 R11: ffffed100f014c05 R12: ffff8880780a5d80
R13: dffffc0000000000 R14: ffff8880780a600c R15: ffffffff8feb2640
FS:  00007fed429426c0(0000) GS:ffff88812537c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000e40030 CR3: 000000007a416000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 __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+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:104 [inline]
RIP: 0010:__local_bh_enable_ip+0xd8/0x130 kernel/softirq.c:457
Code: 8b e8 3c 54 20 0a 65 66 8b 05 5c b1 b2 11 66 85 c0 75 32 bf 01 00 00 00 e8 f5 ee 0b 00 e8 00 94 46 00 fb 65 8b 05 38 b1 b2 11 <85> c0 75 05 e8 3f e0 ab ff 5b 41 5e e9 97 35 23 0a cc 90 0f 0b 90
RSP: 0018:ffffc90004087728 EFLAGS: 00000246
RAX: 0000000080000000 RBX: 0000000000000201 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8c291100 RDI: ffffffff81878ef0
RBP: ffffc90004087898 R08: ffffffff903116f7 R09: 1ffffffff20622de
R10: dffffc0000000000 R11: fffffbfff20622df R12: ffffffff8485d680
R13: dffffc0000000000 R14: ffffffff8485d73b R15: 0000000040000021
 lock_sock include/net/sock.h:1713 [inline]
 skcipher_recvmsg+0xbb/0xe10 crypto/algif_skcipher.c:186
 sock_recvmsg_nosec+0x10c/0x140 net/socket.c:1126
 ____sys_recvmsg+0x3e3/0x4a0 net/socket.c:2902
 ___sys_recvmsg+0x213/0x5a0 net/socket.c:2946
 do_recvmmsg+0x31a/0x7f0 net/socket.c:3041
 __sys_recvmmsg net/socket.c:3115 [inline]
 __do_sys_recvmmsg net/socket.c:3138 [inline]
 __se_sys_recvmmsg net/socket.c:3131 [inline]
 __x64_sys_recvmmsg+0x198/0x250 net/socket.c:3131
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fed4199ce59
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:00007fed42942028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fed41c15fa0 RCX: 00007fed4199ce59
RDX: 0000000004000032 RSI: 0000200000004c00 RDI: 0000000000000005
RBP: 00007fed41a32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000040000021 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fed41c16038 R14: 00007fed41c15fa0 R15: 00007ffd16960c28
 </TASK>
----------------
Code disassembly (best guess):
   0:	8b e8                	mov    %eax,%ebp
   2:	3c 54                	cmp    $0x54,%al
   4:	20 0a                	and    %cl,(%rdx)
   6:	65 66 8b 05 5c b1 b2 	mov    %gs:0x11b2b15c(%rip),%ax        # 0x11b2b16a
   d:	11
   e:	66 85 c0             	test   %ax,%ax
  11:	75 32                	jne    0x45
  13:	bf 01 00 00 00       	mov    $0x1,%edi
  18:	e8 f5 ee 0b 00       	call   0xbef12
  1d:	e8 00 94 46 00       	call   0x469422
  22:	fb                   	sti
  23:	65 8b 05 38 b1 b2 11 	mov    %gs:0x11b2b138(%rip),%eax        # 0x11b2b162
* 2a:	85 c0                	test   %eax,%eax <-- trapping instruction
  2c:	75 05                	jne    0x33
  2e:	e8 3f e0 ab ff       	call   0xffabe072
  33:	5b                   	pop    %rbx
  34:	41 5e                	pop    %r14
  36:	e9 97 35 23 0a       	jmp    0xa2335d2
  3b:	cc                   	int3
  3c:	90                   	nop
  3d:	0f 0b                	ud2
  3f:	90                   	nop