Unable to handle kernel paging request at virtual address dfff800000000000
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
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
[dfff800000000000] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 UID: 0 PID: 17 Comm: ksoftirqd/0 Not tainted 6.14.0-rc6-syzkaller-ga5618886fdab #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dst_dev_put+0x2c/0x2bc net/core/dst.c:146
lr : dst_dev_put+0x28/0x2bc net/core/dst.c:145
sp : ffff800097d97920
x29: ffff800097d97920 x28: ffffffffffffffff x27: ffff80008f4de000
x26: 1ffff00011e9bc66 x25: dfff800000000000 x24: dfff800000000000
x23: 0000000000000000 x22: dfff800000000000 x21: ffff80008fbc1180
x20: 00007dfe9bb02a00 x19: 0000000000000004 x18: ffff0001b37a2828
x17: ffff80008fbbd000 x16: ffff8000806a20bc x15: 0000000000000001
x14: 1fffe0001ae0b4c0 x13: 0000000000000000 x12: 0000000000000000
x11: ffff60001ae0b4c1 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c1a00000 x7 : ffff8000834e6df4 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008a23c030
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000004
Call trace:
 dst_dev_put+0x2c/0x2bc net/core/dst.c:146 (P)
 rt_fibinfo_free_cpus net/ipv4/fib_semantics.c:201 [inline]
 fib_nh_common_release+0x1f4/0x440 net/ipv4/fib_semantics.c:212
 fib6_nh_release+0x3a0/0x40c net/ipv6/route.c:3673
 fib6_info_destroy_rcu+0xc8/0x214 net/ipv6/ip6_fib.c:177
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0x898/0x1b5c kernel/rcu/tree.c:2802
 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2819
 handle_softirqs+0x320/0xd34 kernel/softirq.c:561
 run_ksoftirqd+0x70/0xc0 kernel/softirq.c:950
 smpboot_thread_fn+0x4b0/0x90c kernel/smpboot.c:164
 kthread+0x65c/0x7b0 kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862
Code: aa0003f3 f2fbfff6 9798164d d343fe77 (38766ae8) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	aa0003f3 	mov	x19, x0
   4:	f2fbfff6 	movk	x22, #0xdfff, lsl #48
   8:	9798164d 	bl	0xfffffffffe60593c
   c:	d343fe77 	lsr	x23, x19, #3
* 10:	38766ae8 	ldrb	w8, [x23, x22] <-- trapping instruction