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 6.3.0-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 : [<802c0dec>] lr : [<802c0dcc>] 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: 849e1880 DAC: fffffffd Register r0 information: non-paged memory Register r1 information: non-paged memory Register r2 information: non-slab/vmalloc memory Register r3 information: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at mm/slub.c:4649 __kmem_obj_info+0x1c4/0x21c mm/slub.c:4649 Modules linked in: