general protection fault, probably for non-canonical address 0xdffffc00000000ca: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000650-0x0000000000000657]
CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 6.2.0-rc7-syzkaller-01590-g75da437a2f17 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Workqueue: mld mld_ifc_work
RIP: 0010:read_pnet include/net/net_namespace.h:383 [inline]
RIP: 0010:dev_net include/linux/netdevice.h:2555 [inline]
RIP: 0010:ip6_pkt_drop+0x9e/0x820 net/ipv6/route.c:4477
Code: 83 e6 fe 41 80 3c 04 00 0f 85 b6 06 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 26 49 8d bc 24 50 06 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 86 06 00 00 48 8d 45 10 4d 8b ac 24 50 06 00 00
RSP: 0018:ffffc90000007c48 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000009 RCX: 0000000000000100
RDX: 00000000000000ca RSI: ffffffff888c7a82 RDI: 0000000000000650
RBP: ffff88801d3473c0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000001 R14: ffff88801ff6aa00 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005591348af0c8 CR3: 0000000025b50000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 dst_input include/net/dst.h:454 [inline]
 ip6_rcv_finish net/ipv6/ip6_input.c:79 [inline]
 NF_HOOK include/linux/netfilter.h:302 [inline]
 NF_HOOK include/linux/netfilter.h:296 [inline]
 ipv6_rcv+0x250/0x380 net/ipv6/ip6_input.c:309
 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5485
 __netif_receive_skb+0x1f/0x1c0 net/core/dev.c:5599
 process_backlog+0x3e4/0x810 net/core/dev.c:5927
 __napi_poll+0xb8/0x770 net/core/dev.c:6488
 napi_poll net/core/dev.c:6555 [inline]
 net_rx_action+0x9fd/0xdc0 net/core/dev.c:6665
 __do_softirq+0x1fb/0xadc kernel/softirq.c:571
 do_softirq.part.0+0xde/0x130 kernel/softirq.c:472
 </IRQ>
 <TASK>
 do_softirq kernel/softirq.c:464 [inline]
 __local_bh_enable_ip+0x106/0x130 kernel/softirq.c:396
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:834 [inline]
 ip6_finish_output2+0x5be/0x1530 net/ipv6/ip6_output.c:135
 __ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
 ip6_finish_output+0x694/0x1170 net/ipv6/ip6_output.c:206
 NF_HOOK_COND include/linux/netfilter.h:291 [inline]
 ip6_output+0x1f1/0x540 net/ipv6/ip6_output.c:227
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:302 [inline]
 NF_HOOK include/linux/netfilter.h:296 [inline]
 mld_sendpack+0xa09/0xe70 net/ipv6/mcast.c:1820
 mld_send_cr net/ipv6/mcast.c:2121 [inline]
 mld_ifc_work+0x720/0xdc0 net/ipv6/mcast.c:2653
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:read_pnet include/net/net_namespace.h:383 [inline]
RIP: 0010:dev_net include/linux/netdevice.h:2555 [inline]
RIP: 0010:ip6_pkt_drop+0x9e/0x820 net/ipv6/route.c:4477
Code: 83 e6 fe 41 80 3c 04 00 0f 85 b6 06 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 26 49 8d bc 24 50 06 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 86 06 00 00 48 8d 45 10 4d 8b ac 24 50 06 00 00
RSP: 0018:ffffc90000007c48 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000009 RCX: 0000000000000100
RDX: 00000000000000ca RSI: ffffffff888c7a82 RDI: 0000000000000650
RBP: ffff88801d3473c0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000001 R14: ffff88801ff6aa00 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005591348af0c8 CR3: 0000000025b50000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	83 e6 fe             	and    $0xfffffffe,%esi
   3:	41 80 3c 04 00       	cmpb   $0x0,(%r12,%rax,1)
   8:	0f 85 b6 06 00 00    	jne    0x6c4
   e:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  15:	fc ff df
  18:	4d 8b 26             	mov    (%r14),%r12
  1b:	49 8d bc 24 50 06 00 	lea    0x650(%r12),%rdi
  22:	00
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 86 06 00 00    	jne    0x6ba
  34:	48 8d 45 10          	lea    0x10(%rbp),%rax
  38:	4d 8b ac 24 50 06 00 	mov    0x650(%r12),%r13
  3f:	00