Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Mem abort info:
  ESR = 0x0000000086000006
  EC = 0x21: IABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
user pgtable: 4k pages, 48-bit VAs, pgdp=000000015c5ed000
[0000000000000000] pgd=080000015c6ee003, p4d=080000015c6ee003, pud=080000015c5b6003, pmd=0000000000000000
Internal error: Oops: 0000000086000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 9661 Comm: syz-executor.2 Not tainted 6.1.0-rc6-syzkaller-32662-g6d464646530f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : 0x0
lr : rcu_do_batch+0x1a4/0x584 kernel/rcu/tree.c:2250
sp : ffff800008003e60
x29: ffff800008003e90 x28: 0000000000000003 x27: 000000000000000a
x26: 0000000000000000 x25: ffff00011c3788d0 x24: ffff80000d37c000
x23: ffff80000d4a4690 x22: ffff80000c0cec40 x21: ffff000109450000
x20: ffff0001fefd0cc0 x19: ffff80000d2d0cb8 x18: 0000000000000125
x17: ffff80000c0cd83c x16: ffff80000dbe6158 x15: ffff000109450000
x14: 0000000000000018 x13: 0000000000000001 x12: ffff000109450000
x11: ff808000095cfff8 x10: 0000000000000000 x9 : a5a4db8c777a7000
x8 : 0000000000000000 x7 : ffff8000081f6954 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000008 x1 : ffff80000cbaab30 x0 : ffff00011c3788d0
Call trace:
 0x0
 rcu_core+0x2bc/0x5b4 kernel/rcu/tree.c:2510
 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2527
 _stext+0x168/0x37c
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
 call_on_irq_stack+0x2c/0x54 arch/arm64/kernel/entry.S:892
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85
 invoke_softirq+0x70/0xbc kernel/softirq.c:452
 __irq_exit_rcu+0xf0/0x140 kernel/softirq.c:650
 irq_exit_rcu+0x10/0x40 kernel/softirq.c:662
 el0_interrupt+0x7c/0x218 arch/arm64/kernel/entry-common.c:717
 __el0_irq_handler_common+0x18/0x24 arch/arm64/kernel/entry-common.c:724
 el0t_64_irq_handler+0x10/0x1c arch/arm64/kernel/entry-common.c:729
 el0t_64_irq+0x190/0x194 arch/arm64/kernel/entry.S:585
Code: bad PC value
---[ end trace 0000000000000000 ]---