8<--- cut here ---
Unable to handle kernel NULL pointer dereference at virtual address 00000213 when read
[00000213] *pgd=80000080004003, *pmd=00000000
Internal error: Oops: 207 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.4.0-rc1-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at irq_data_to_desc include/linux/irqdesc.h:124 [inline]
PC is at __irq_resolve_mapping+0x40/0x90 kernel/irq/irqdomain.c:968
LR is at rcu_read_lock include/linux/rcupdate.h:771 [inline]
LR is at __irq_resolve_mapping+0x20/0x90 kernel/irq/irqdomain.c:960
pc : [<802c0e04>]    lr : [<802c0de4>]    psr: 20000193
sp : 82601e58  ip : 82601e58  fp : 82601e74
r10: 00000000  r9 : 8261ae40  r8 : 00000000
r7 : df80a00c  r6 : 00000000  r5 : 0000001b  r4 : 83094000
r3 : 83094060  r2 : 8261ae40  r1 : 0000001b  r0 : 00000207
Flags: nzCv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 84987100  DAC: fffffffd
Register r0 information: non-paged memory
Register r1 information: non-paged memory
Register r2 information: non-slab/vmalloc memory
Register r3 information:
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WARNING: CPU: 0 PID: 0 at mm/slub.c:4649 __kmem_obj_info+0x1c4/0x21c mm/slub.c:4649
Modules linked in: