syzbot

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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: 84981240  DAC: fffffffd
Register r0 information: non-paged memory
Register r1 information: non-paged memory
Register r2 information: non-slab/vmalloc memory
Register r3 information: slab kmalloc-1k start 83094000 pointer offset 96 size 1024
Register r4 information: slab kmalloc-1k start 83094000 pointer offset 0 size 1024
Register r5 information: non-paged memory
Register r6 information: NULL pointer
Register r7 information:
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Unable to handle kernel NULL pointer dereference at virtual address 000001ff when read
[000001ff] *pgd=80000080004003, *pmd=00000000
Internal error: Oops: 207 [#2] 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 __find_vmap_area mm/vmalloc.c:841 [inline]
PC is at find_vmap_area mm/vmalloc.c:1862 [inline]
PC is at find_vm_area mm/vmalloc.c:2623 [inline]
PC is at vmalloc_dump_obj+0x38/0xb4 mm/vmalloc.c:4221
LR is at __raw_spin_lock include/linux/spinlock_api_smp.h:132 [inline]
LR is at _raw_spin_lock+0x18/0x58 kernel/locking/spinlock.c:154
pc : [<8047a2ec>]    lr : [<818022b4>]    psr: 20000193
sp : 82601ce8  ip : 82601cd0  fp : 82601cfc
r10: 8261ae40  r9 : 8261c9a4  r8 : 8285041c
r7 : 60000193  r6 : 00000008  r5 : df80b000  r4 : 00000207
r3 : 80216638  r2 : 00001e8b  r1 : 00000000  r0 : 00000001
Flags: nzCv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 84981240  DAC: fffffffd