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: 10846 Comm: syz-executor.4 Not tainted 6.1.0-rc6-next-20221122 #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: 93 67 f2 ff e9 04 fc 5e ff e8 59 de 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
sit: Src spoofed 0.0.0.39/2002:0:9c:0:9cdf:3f09:: -> 172.20.20.170/5171::2200
RSP: 0018:ffff88806ce09740 EFLAGS: 00010213
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: 0000000000000019 RSI: ffffffff843d2047 RDI: 00000000000000cc
RBP: 0000000000000001 R08: 0000000000000007 R09: fffffffffffff000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS: 00007f22efab2700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e022000 CR3: 0000000045496000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
__xfrm_policy_check+0xdd7/0x2190
__udp6_lib_rcv+0x1ae8/0x25d0
ip6_protocol_deliver_rcu+0x7d1/0x1870
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
__local_bh_enable_ip+0x10a/0x130
ip6_finish_output2+0xb75/0x1af0
__ip6_finish_output+0x68c/0xff0
ip6_output+0x1e9/0x540
ip6_local_out+0xd6/0x4c0
ip6_send_skb+0xbb/0x350
udp_v6_send_skb+0x7ab/0x15d0
udpv6_sendmsg+0x1e6b/0x2940
inet6_sendmsg+0x109/0x150
sock_sendmsg+0xf6/0x190
____sys_sendmsg+0x337/0x930
___sys_sendmsg+0x110/0x1b0
__sys_sendmmsg+0x1b7/0x550
__x64_sys_sendmmsg+0x9d/0x110
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f22f253cb19
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:00007f22efab2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f22f264ff60 RCX: 00007f22f253cb19
RDX: 0000000000000002 RSI: 0000000020000c00 RDI: 0000000000000003
RBP: 00007f22f2596f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdb492dd7f R14: 00007f22efab2300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:xfrm_policy_lookup_bytype.constprop.0.cold+0x21/0x5d
Code: 93 67 f2 ff e9 04 fc 5e ff e8 59 de 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:ffff88806ce09740 EFLAGS: 00010213
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: 0000000000000019 RSI: ffffffff843d2047 RDI: 00000000000000cc
RBP: 0000000000000001 R08: 0000000000000007 R09: fffffffffffff000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS: 00007f22efab2700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e022000 CR3: 0000000045496000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
0: 93 xchg %eax,%ebx
1: 67 f2 ff addr32 repnz (bad)
4: e9 04 fc 5e ff jmpq 0xff5efc0d
9: e8 59 de 0b fd callq 0xfd0bde67
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