general protection fault, probably for non-canonical address 0xdffffc00000000cd: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000668-0x000000000000066f]
CPU: 0 PID: 3701 Comm: kworker/0:7 Not tainted 5.18.0-rc2-next-20220414-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: wg-crypt-wg1 wg_packet_decrypt_worker
RIP: 0010:ip6_rcv_core+0x12e8/0x1dd0 net/ipv6/ip6_input.c:169
Code: c1 ea 03 80 3c 02 00 0f 85 39 09 00 00 4c 89 f2 49 8b 85 b0 02 00 00 48 c1 ea 03 65 48 ff 40 68 48 b8 00 00 00 00 00 fc ff df <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 f6
RSP: 0018:ffffc90000007880 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000100
RDX: 00000000000000cd RSI: 0000000000000101 RDI: 0000000000000000
RBP: ffff88807b977000 R08: 0000000000000001 R09: ffff88807b9770df
R10: ffffffff87fd936e R11: 0000000000000000 R12: 0000000000000000
R13: ffff888027fa9b80 R14: 000000000000066c R15: ffff888027fa9b80
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6d1b9691b8 CR3: 00000000783be000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ipv6_list_rcv+0x2ca/0x470 net/ipv6/ip6_input.c:334
__netif_receive_skb_list_ptype net/core/dev.c:5451 [inline]
__netif_receive_skb_list_core+0x548/0x8f0 net/core/dev.c:5499
__netif_receive_skb_list net/core/dev.c:5551 [inline]
netif_receive_skb_list_internal+0x75e/0xd80 net/core/dev.c:5642
gro_normal_list include/net/gro.h:430 [inline]
gro_normal_list include/net/gro.h:426 [inline]
napi_complete_done+0x1f1/0x880 net/core/dev.c:5983
wg_packet_rx_poll+0xd2f/0x1d40 drivers/net/wireguard/receive.c:495
__napi_poll+0xb3/0x6e0 net/core/dev.c:6416
napi_poll net/core/dev.c:6483 [inline]
net_rx_action+0x8ec/0xc60 net/core/dev.c:6570
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
do_softirq.part.0+0xde/0x130 kernel/softirq.c:459
do_softirq kernel/softirq.c:451 [inline]
__local_bh_enable_ip+0x102/0x120 kernel/softirq.c:383
spin_unlock_bh include/linux/spinlock.h:399 [inline]
ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]
wg_packet_decrypt_worker+0x3e8/0x5d0 drivers/net/wireguard/receive.c:506
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ip6_rcv_core+0x12e8/0x1dd0 net/ipv6/ip6_input.c:169
Code: c1 ea 03 80 3c 02 00 0f 85 39 09 00 00 4c 89 f2 49 8b 85 b0 02 00 00 48 c1 ea 03 65 48 ff 40 68 48 b8 00 00 00 00 00 fc ff df <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 f6
RSP: 0018:ffffc90000007880 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000100
RDX: 00000000000000cd RSI: 0000000000000101 RDI: 0000000000000000
RBP: ffff88807b977000 R08: 0000000000000001 R09: ffff88807b9770df
R10: ffffffff87fd936e R11: 0000000000000000 R12: 0000000000000000
R13: ffff888027fa9b80 R14: 000000000000066c R15: ffff888027fa9b80
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6d1b9691b8 CR3: 000000000ba8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: c1 ea 03 shr $0x3,%edx
3: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
7: 0f 85 39 09 00 00 jne 0x946
d: 4c 89 f2 mov %r14,%rdx
10: 49 8b 85 b0 02 00 00 mov 0x2b0(%r13),%rax
17: 48 c1 ea 03 shr $0x3,%rdx
1b: 65 48 ff 40 68 incq %gs:0x68(%rax)
20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
27: fc ff df
* 2a: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx <-- trapping instruction
2e: 4c 89 f0 mov %r14,%rax
31: 83 e0 07 and $0x7,%eax
34: 83 c0 03 add $0x3,%eax
37: 38 d0 cmp %dl,%al
39: 7c 08 jl 0x43
3b: 84 d2 test %dl,%dl
3d: 0f .byte 0xf
3e: 85 f6 test %esi,%esi