BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 86246067 P4D 86246067 PUD 86247067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.2.0-rc2+ #36 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events rt6_probe_deferred RIP: 0010:0x0 Code: Bad RIP value. RSP: 0018:ffff8880ae809bc8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff888098208838 RCX: ffffffff861b59cb RDX: 1ffff1101304110c RSI: ffffffff861b59d5 RDI: ffff8880a0b00780 RBP: ffff8880ae809bf8 R08: ffff8880a987c140 R09: 0000000000000005 R10: ffffed1015d06bdf R11: ffff8880ae835efb R12: ffff8880a0b00780 R13: 0000000000000000 R14: ffff8880a0b007d8 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000086245000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dst_input include/net/dst.h:439 [inline] ip6_rcv_finish+0x1de/0x310 net/ipv6/ip6_input.c:80 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ipv6_rcv+0x10e/0x420 net/ipv6/ip6_input.c:276 __netif_receive_skb_one_core+0x113/0x1a0 net/core/dev.c:4985 __netif_receive_skb+0x2c/0x1d0 net/core/dev.c:5099 process_backlog+0x206/0x750 net/core/dev.c:5910 napi_poll net/core/dev.c:6333 [inline] net_rx_action+0x4f5/0x1070 net/core/dev.c:6399 __do_softirq+0x25c/0x94c kernel/softirq.c:293 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1040 do_softirq.part.0+0x11a/0x170 kernel/softirq.c:338 do_softirq kernel/softirq.c:330 [inline] __local_bh_enable_ip+0x211/0x270 kernel/softirq.c:190 local_bh_enable include/linux/bottom_half.h:32 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:684 [inline] ip6_finish_output2+0x10a0/0x2550 net/ipv6/ip6_output.c:121 ip6_finish_output+0x56d/0xc20 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip6_output+0x235/0x7f0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:433 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] ndisc_send_skb+0xf29/0x14a0 net/ipv6/ndisc.c:508 ndisc_send_ns+0x3a9/0x850 net/ipv6/ndisc.c:650 rt6_probe_deferred+0xe3/0x1a0 net/ipv6/route.c:543 process_one_work+0x989/0x1790 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x354/0x420 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: CR2: 0000000000000000 ---[ end trace 2f6d2a9471ac9e82 ]--- RIP: 0010:0x0 Code: Bad RIP value. RSP: 0018:ffff8880ae809bc8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff888098208838 RCX: ffffffff861b59cb RDX: 1ffff1101304110c RSI: ffffffff861b59d5 RDI: ffff8880a0b00780 RBP: ffff8880ae809bf8 R08: ffff8880a987c140 R09: 0000000000000005 R10: ffffed1015d06bdf R11: ffff8880ae835efb R12: ffff8880a0b00780 R13: 0000000000000000 R14: ffff8880a0b007d8 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000086245000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400