loop5: detected capacity change from 0 to 16
EXT4-fs (loop5): unsupported descriptor size 16384
general protection fault, probably for non-canonical address 0xdffffc0000000019: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x00000000000000c8-0x00000000000000cf]
CPU: 0 PID: 5576 Comm: syz-executor.3 Not tainted 6.1.0-rc5-next-20221118 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:xfrm_policy_lookup_bytype.constprop.0.cold+0x21/0x5d
Code: a5 68 f2 ff e9 98 00 5f ff e8 ed f9 0b fd 48 8b 44 24 10 48 8d b8 cc 00 00 00 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 20 48
RSP: 0018:ffff88806ce09678 EFLAGS: 00010213
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: 0000000000000019 RSI: ffffffff843cef83 RDI: 00000000000000cc
RBP: 0000000000000001 R08: 0000000000000007 R09: fffffffffffff000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f1e21612700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f5d7f60a90 CR3: 0000000009800000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 __xfrm_policy_check+0xdd7/0x2190
 tcp_v6_rcv+0x1e76/0x3550
 ip6_protocol_deliver_rcu+0x175/0x1870
 ip6_input_finish+0x150/0x2c0
 ip6_input+0xa0/0xe0
 ipv6_rcv+0x159/0x520
 __netif_receive_skb_one_core+0x12e/0x1f0
 __netif_receive_skb+0x1f/0x1c0
 process_backlog+0x38a/0x7a0
 __napi_poll+0xb9/0x690
 net_rx_action+0x9b4/0xd10
 __do_softirq+0x1c7/0x8f9
 do_softirq.part.0+0xd1/0x120
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x10a/0x130
 ip6_finish_output2+0xb75/0x1af0
 __ip6_finish_output+0x68c/0xff0
 ip6_output+0x1e9/0x540
 ip6_xmit+0x107e/0x1d20
 inet6_csk_xmit+0x396/0x6b0
 __tcp_transmit_skb+0x1986/0x3520
 tcp_connect+0x2f17/0x44f0
 tcp_v6_connect+0x13b5/0x1f40
 __inet_stream_connect+0x819/0xda0
 inet_stream_connect+0x57/0xa0
 __sys_connect_file+0x159/0x1a0
 __sys_connect+0x169/0x1a0
 __x64_sys_connect+0x73/0xb0
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f1e2409cb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1e21612188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 00007f1e241aff60 RCX: 00007f1e2409cb19
RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000005
RBP: 00007f1e240f6f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe93ad3aef R14: 00007f1e21612300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:xfrm_policy_lookup_bytype.constprop.0.cold+0x21/0x5d
Code: a5 68 f2 ff e9 98 00 5f ff e8 ed f9 0b fd 48 8b 44 24 10 48 8d b8 cc 00 00 00 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 20 48
RSP: 0018:ffff88806ce09678 EFLAGS: 00010213
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: 0000000000000019 RSI: ffffffff843cef83 RDI: 00000000000000cc
RBP: 0000000000000001 R08: 0000000000000007 R09: fffffffffffff000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f1e21612700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f5d7f60a90 CR3: 0000000009800000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	a5                   	movsl  %ds:(%rsi),%es:(%rdi)
   1:	68 f2 ff e9 98       	pushq  $0xffffffff98e9fff2
   6:	00 5f ff             	add    %bl,-0x1(%rdi)
   9:	e8 ed f9 0b fd       	callq  0xfd0bf9fb
   e:	48 8b 44 24 10       	mov    0x10(%rsp),%rax
  13:	48 8d b8 cc 00 00 00 	lea    0xcc(%rax),%rdi
  1a:	b8 ff ff 37 00       	mov    $0x37ffff,%eax
  1f:	48 89 fa             	mov    %rdi,%rdx
  22:	48 c1 e0 2a          	shl    $0x2a,%rax
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx <-- trapping instruction
  2e:	48 89 f8             	mov    %rdi,%rax
  31:	83 e0 07             	and    $0x7,%eax
  34:	83 c0 03             	add    $0x3,%eax
  37:	38 d0                	cmp    %dl,%al
  39:	7c 04                	jl     0x3f
  3b:	84 d2                	test   %dl,%dl
  3d:	75 20                	jne    0x5f
  3f:	48                   	rex.W