Unable to handle kernel paging request at virtual address dfff800000000068
KASAN: null-ptr-deref in range [0x0000000000000340-0x0000000000000347]
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
[dfff800000000068] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 6.1.141-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __in6_dev_get include/net/addrconf.h:323 [inline]
pc : ip6_ignore_linkdown include/net/addrconf.h:414 [inline]
pc : find_match+0xa0/0xb0c net/ipv6/route.c:784
lr : find_match+0x74/0xb0c net/ipv6/route.c:781
sp : ffff80001c8e63a0
x29: ffff80001c8e63c0 x28: 1fffe000187a9104 x27: dfff800000000000
x26: 0000000000000340 x25: ffff0000c3d48837 x24: 0000000000000201
x23: 0000000000000002 x22: ffff0000c3d48820 x21: 0000000000000000
x20: 1fffe000187a9106 x19: 0000000000000000 x18: ffff800011a7bce0
x17: 0000000000000000 x16: ffff8000082d0750 x15: 0000000000000000
x14: 000000000000c0fe x13: 1ffff00002a0e0b1 x12: 0000000000ff0100
x11: ff0080001077fb04 x10: 0000000000000000 x9 : ffff0000c0a51bc0
x8 : 0000000000000068 x7 : ffff80001c8e6750 x6 : 0000000000000002
x5 : ffff80001c8e6750 x4 : ffff80001c8e6740 x3 : 0000000000000002
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __in6_dev_get include/net/addrconf.h:323 [inline]
 ip6_ignore_linkdown include/net/addrconf.h:414 [inline]
 find_match+0xa0/0xb0c net/ipv6/route.c:784
 rt6_nh_find_match+0xcc/0x138 net/ipv6/route.c:824
 nexthop_for_each_fib6_nh+0x1a8/0x3d0 net/ipv4/nexthop.c:1243
 __find_rr_leaf+0x3b8/0x5c8 net/ipv6/route.c:865
 find_rr_leaf net/ipv6/route.c:893 [inline]
 rt6_select net/ipv6/route.c:937 [inline]
 fib6_table_lookup+0x308/0x8b8 net/ipv6/route.c:2223
 ip6_pol_route+0x1f4/0x1024 net/ipv6/route.c:2259
 ip6_pol_route_output+0x60/0x94 net/ipv6/route.c:2634
 pol_lookup_func include/net/ip6_fib.h:579 [inline]
 fib6_rule_lookup+0x258/0x4a8 net/ipv6/fib6_rules.c:121
 ip6_route_output_flags_noref+0x250/0x314 net/ipv6/route.c:2666
 ip6_route_output_flags+0xe4/0x368 net/ipv6/route.c:2679
 ip6_route_output include/net/ip6_route.h:98 [inline]
 ip6_dst_lookup_tail+0x168/0x12c0 net/ipv6/ip6_output.c:1124
 ip6_dst_lookup_flow+0x54/0xe0 net/ipv6/ip6_output.c:1255
 geneve_get_v6_dst+0x648/0x954 drivers/net/geneve.c:900
 geneve6_xmit_skb drivers/net/geneve.c:1037 [inline]
 geneve_xmit+0x970/0x2f18 drivers/net/geneve.c:1121
 __netdev_start_xmit include/linux/netdevice.h:4896 [inline]
 netdev_start_xmit include/linux/netdevice.h:4910 [inline]
 xmit_one net/core/dev.c:3658 [inline]
 dev_hard_start_xmit+0x244/0x8e0 net/core/dev.c:3674
 __dev_queue_xmit+0x155c/0x309c net/core/dev.c:4334
 dev_queue_xmit include/linux/netdevice.h:3051 [inline]
 neigh_resolve_output+0x550/0x650 net/core/neighbour.c:1563
 neigh_output include/net/neighbour.h:544 [inline]
 ip6_finish_output2+0xd60/0x1844 net/ipv6/ip6_output.c:138
 __ip6_finish_output net/ipv6/ip6_output.c:205 [inline]
 ip6_finish_output+0x594/0x930 net/ipv6/ip6_output.c:216
 NF_HOOK_COND include/linux/netfilter.h:291 [inline]
 ip6_output+0x274/0x500 net/ipv6/ip6_output.c:237
 dst_output include/net/dst.h:453 [inline]
 NF_HOOK include/linux/netfilter.h:302 [inline]
 ndisc_send_skb+0xc38/0x1680 net/ipv6/ndisc.c:513
 ndisc_send_rs+0x378/0x514 net/ipv6/ndisc.c:723
 addrconf_rs_timer+0x2f4/0x574 net/ipv6/addrconf.c:3985
 call_timer_fn+0x1b8/0x964 kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1549 [inline]
 __run_timers+0x460/0x6bc kernel/time/timer.c:1820
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1833
 handle_softirqs+0x318/0xc6c kernel/softirq.c:596
 run_ksoftirqd+0x7c/0x2a0 kernel/softirq.c:963
 smpboot_thread_fn+0x4b0/0x964 kernel/smpboot.c:164
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
Code: 96055809 f94002c8 910d011a d343ff48 (387b6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	96055809 	bl	0xfffffffff8156024
   4:	f94002c8 	ldr	x8, [x22]
   8:	910d011a 	add	x26, x8, #0x340
   c:	d343ff48 	lsr	x8, x26, #3
* 10:	387b6908 	ldrb	w8, [x8, x27] <-- trapping instruction