Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0xe0
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff8136ae00
stack pointer	        = 0x28:0xfffffe00255a9540
frame pointer	        = 0x28:0xfffffe00255a95a0
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, 
resume, IOPL = 0
current process		= 3790 (syz-executor.1)
trap number		= 12
panic: page fault
cpuid = 1
time = 1601896928
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00255a91a0
vpanic() at vpanic+0x1c7/frame 0xfffffe00255a9200
panic() at panic+0x43/frame 0xfffffe00255a9260
trap_fatal() at trap_fatal+0x4cd/frame 0xfffffe00255a92e0
trap_pfault() at trap_pfault+0xd4/frame 0xfffffe00255a9350
trap() at trap+0x41d/frame 0xfffffe00255a9470
calltrap() at calltrap+0x8/frame 0xfffffe00255a9470
--- trap 0xc, rip = 0xffffffff8136ae00, rsp = 0xfffffe00255a9540, rbp = 0xfffffe00255a95a0 ---
in6_unlink_ifa() at in6_unlink_ifa+0x120/frame 0xfffffe00255a95a0
in6_purgeaddr() at in6_purgeaddr+0x5d6/frame 0xfffffe00255a96b0
if_purgeaddrs() at if_purgeaddrs+0x1b4/frame 0xfffffe00255a9770
tu