general protection fault, probably for non-canonical address 0xdffffc00000000cd: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000668-0x000000000000066f]
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.18.0-rc2-next-20220414-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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:ffffc900001e0c38 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000100
RDX: 00000000000000cd RSI: 0000000000000101 RDI: 0000000000000000
RBP: ffff888043dbc640 R08: 0000000000000001 R09: ffff888043dbc71f
R10: ffffffff87fd936e R11: 0000000000000000 R12: 0000000000000000
R13: ffff88807aef3700 R14: 000000000000066c R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002016c000 CR3: 000000001d8ac000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ipv6_rcv+0x75/0x3b0 net/ipv6/ip6_input.c:303
 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5408
 __netif_receive_skb+0x24/0x1b0 net/core/dev.c:5522
 process_backlog+0x3a0/0x7c0 net/core/dev.c:5850
 __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
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:117 [inline]
RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 drivers/acpi/processor_idle.c:559
Code: 89 de e8 ed 94 13 f8 84 db 75 ac e8 04 91 13 f8 e8 ff e2 19 f8 eb 0c e8 f8 90 13 f8 0f 00 2d e1 18 cc 00 e8 ec 90 13 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 67 93 13 f8 48 85 db
RSP: 0018:ffffc90000177d18 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888011a21d40 RSI: ffffffff89667104 RDI: 0000000000000000
RBP: ffff888145827064 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff81805428 R11: 0000000000000000 R12: 0000000000000001
R13: ffff888145827000 R14: ffff888145827064 R15: ffff888144e13004
 acpi_idle_enter+0x369/0x510 drivers/acpi/processor_idle.c:696
 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237
 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351
 call_cpuidle kernel/sched/idle.c:155 [inline]
 cpuidle_idle_call kernel/sched/idle.c:236 [inline]
 do_idle+0x3e8/0x590 kernel/sched/idle.c:303
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400
 start_secondary+0x265/0x340 arch/x86/kernel/smpboot.c:267
 secondary_startup_64_no_verify+0xce/0xdb
 </TASK>
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:ffffc900001e0c38 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000100
RDX: 00000000000000cd RSI: 0000000000000101 RDI: 0000000000000000
RBP: ffff888043dbc640 R08: 0000000000000001 R09: ffff888043dbc71f
R10: ffffffff87fd936e R11: 0000000000000000 R12: 0000000000000000
R13: ffff88807aef3700 R14: 000000000000066c R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002016c000 CR3: 000000001d8ac000 CR4: 00000000003506e0
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