veth1_macvtap: left promiscuous mode
veth0_macvtap: left promiscuous mode
veth1_vlan: left promiscuous mode
veth0_vlan: left promiscuous mode
Unable to handle kernel paging request at virtual address dfff800000000012
KASAN: null-ptr-deref in range [0x0000000000000090-0x0000000000000097]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff800000000012] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 267 Comm: kworker/u8:4 Not tainted 6.9.0-rc7-syzkaller-gfda5695d692c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: netns cleanup_net
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __fib6_drop_pcpu_from+0x124/0x2b4 net/ipv6/ip6_fib.c:983
lr : __fib6_drop_pcpu_from+0xbc/0x2b4 net/ipv6/ip6_fib.c:971
sp : ffff8000979f6aa0
x29: ffff8000979f6aa0 x28: 1fffe0001ec9e822 x27: dfff800000000000
x26: dfff800000000000 x25: 0000000000000091 x24: fffffdffbf785a98
x23: 0000000000000000 x22: 0000000000000008 x21: 1ffff00011d0826e
x20: ffff0000f64f4110 x19: ffff0000f64f4000 x18: 1ffff00012f3ee1e
x17: ffff80008eead000 x16: ffff800080551df4 x15: 0000000000000001
x14: 1ffff000123a0d5c x13: 0000000000000000 x12: 0000000000000003
x11: 0000000000000201 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : 0000000000000012 x7 : ffff800089b974e0 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000002 x1 : 0000000000000000 x0 : 0000000000000008
Call trace:
 __fib6_drop_pcpu_from+0x124/0x2b4 net/ipv6/ip6_fib.c:983
 fib6_drop_pcpu_from net/ipv6/ip6_fib.c:1026 [inline]
 fib6_purge_rt+0x208/0x7a4 net/ipv6/ip6_fib.c:1037
 fib6_del_route net/ipv6/ip6_fib.c:1997 [inline]
 fib6_del+0xc2c/0x1278 net/ipv6/ip6_fib.c:2042
 fib6_clean_node+0x24c/0x4d0 net/ipv6/ip6_fib.c:2204
 fib6_walk_continue+0x5b8/0x7e0 net/ipv6/ip6_fib.c:2126
 fib6_walk+0x144/0x258 net/ipv6/ip6_fib.c:2174
 fib6_clean_tree net/ipv6/ip6_fib.c:2254 [inline]
 __fib6_clean_all+0x29c/0x418 net/ipv6/ip6_fib.c:2270
 fib6_clean_all+0x3c/0x50 net/ipv6/ip6_fib.c:2281
 rt6_sync_down_dev net/ipv6/route.c:4903 [inline]
 rt6_disable_ip+0x134/0x798 net/ipv6/route.c:4908
 addrconf_ifdown+0x154/0x17c8 net/ipv6/addrconf.c:3854
 addrconf_notify+0x340/0xce8
 notifier_call_chain+0x1bc/0x540 kernel/notifier.c:93
 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:461
 call_netdevice_notifiers_info net/core/dev.c:1950 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1988 [inline]
 call_netdevice_notifiers net/core/dev.c:2002 [inline]
 dev_close_many+0x308/0x474 net/core/dev.c:1543
 unregister_netdevice_many_notify+0x418/0x1770 net/core/dev.c:11080
 unregister_netdevice_many net/core/dev.c:11163 [inline]
 default_device_exit_batch+0x9f0/0xa70 net/core/dev.c:11640
 ops_exit_list net/core/net_namespace.c:175 [inline]
 cleanup_net+0x6b8/0x9b4 net/core/net_namespace.c:637
 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267
 process_scheduled_works kernel/workqueue.c:3348 [inline]
 worker_thread+0x938/0xef4 kernel/workqueue.c:3429
 kthread+0x288/0x310 kernel/kthread.c:388
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
Code: f9400308 b4000188 91024119 d343ff28 (387b6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	f9400308 	ldr	x8, [x24]
   4:	b4000188 	cbz	x8, 0x34
   8:	91024119 	add	x25, x8, #0x90
   c:	d343ff28 	lsr	x8, x25, #3
* 10:	387b6908 	ldrb	w8, [x8, x27] <-- trapping instruction