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]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 4528 Comm: kworker/u8:9 Not tainted 6.15.0-rc5-syzkaller-gc32f8dc5aaf9 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: netns cleanup_net
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __fib6_drop_pcpu_from+0x1a4/0x3cc net/ipv6/ip6_fib.c:980
lr : find_next_bit include/linux/find.h:66 [inline]
lr : __fib6_drop_pcpu_from+0x138/0x3cc net/ipv6/ip6_fib.c:966
sp : ffff8000a0356b40
x29: ffff8000a0356b40 x28: 1fffe00019bf3922 x27: dfff800000000000
x26: ffff0000cdf9c800 x25: 0000000000000097 x24: fffffdffbf73abf8
x23: 1ffff00011d8484b x22: 0000000000000000 x21: 0000000000000000
x20: ffff0000cdf9c910 x19: ffff80008ec24258 x18: 1fffe0003386ce76
x17: ffff80008f30e000 x16: ffff80008adb410c x15: 0000000000000001
x14: 1ffff000124b0b84 x13: 0000000000000000 x12: 0000000000000000
x11: 000000005cb1684a x10: 0000000000ff0100 x9 : 0000000000000000
x8 : 0000000000000012 x7 : ffff800089bec2c8 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000008 x1 : 0000000000000003 x0 : 0000000000000000
Call trace:
 __fib6_drop_pcpu_from+0x1a4/0x3cc net/ipv6/ip6_fib.c:980 (P)
 fib6_drop_pcpu_from net/ipv6/ip6_fib.c:1024 [inline]
 fib6_purge_rt+0x1d0/0x74c net/ipv6/ip6_fib.c:1035
 fib6_del_route net/ipv6/ip6_fib.c:1995 [inline]
 fib6_del+0xbc8/0x11e4 net/ipv6/ip6_fib.c:2040
 fib6_clean_node+0x224/0x49c net/ipv6/ip6_fib.c:2202
 fib6_walk_continue+0x654/0x878 net/ipv6/ip6_fib.c:2124
 fib6_walk+0x140/0x254 net/ipv6/ip6_fib.c:2172
 fib6_clean_tree net/ipv6/ip6_fib.c:2252 [inline]
 __fib6_clean_all+0x1dc/0x310 net/ipv6/ip6_fib.c:2268
 fib6_clean_all+0x3c/0x50 net/ipv6/ip6_fib.c:2279
 rt6_sync_down_dev net/ipv6/route.c:4951 [inline]
 rt6_disable_ip+0x104/0x6cc net/ipv6/route.c:4956
 addrconf_ifdown+0x148/0x148c net/ipv6/addrconf.c:3854
 addrconf_notify+0x2f4/0xcdc net/ipv6/addrconf.c:-1
 notifier_call_chain+0x1b8/0x4e4 kernel/notifier.c:85
 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453
 call_netdevice_notifiers_info net/core/dev.c:2176 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2214 [inline]
 call_netdevice_notifiers net/core/dev.c:2228 [inline]
 dev_close_many+0x2d4/0x448 net/core/dev.c:1731
 unregister_netdevice_many_notify+0x664/0x1fbc net/core/dev.c:11952
 unregister_netdevice_many net/core/dev.c:12046 [inline]
 default_device_exit_batch+0x838/0x8b4 net/core/dev.c:12538
 ops_exit_list net/core/net_namespace.c:177 [inline]
 cleanup_net+0x650/0x9c0 net/core/net_namespace.c:654
 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847
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