8<--- cut here ---
Unable to handle kernel paging request at virtual address 5bd2a000
[5bd2a000] *pgd=80000080005003, *pmd=00000000
Internal error: Oops: 206 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 0 PID: 9781 Comm: kworker/0:2 Not tainted 6.1.0-rc2-syzkaller #0
Hardware name: ARM-Versatile Express
Workqueue: events free_ipc
PC is at percpu_counter_add_batch+0x38/0x108 lib/percpu_counter.c:87
LR is at __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:66
pc : [<8081020c>]    lr : [<817565a4>]    psr: 20000013
sp : e036de28  ip : e036de18  fp : e036de4c
r10: 84fe93c0  r9 : 00000000  r8 : 84fe942c
r7 : 7fffffff  r6 : 00000000  r5 : 83a2b5e8  r4 : 00000000
r3 : 5bd2a000  r2 : 00000000  r1 : 00000000  r0 : 00000000
Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 84258600  DAC: fffffffd
Register r0 information: NULL pointer
Register r1 information: NULL pointer
Register r2 information: NULL pointer
Register r3 information: non-paged memory
Register r4 information: NULL pointer
Register r5 information: slab kmalloc-cg-1k start 83a2b400 pointer offset 488 size 1024
Register r6 information: NULL pointer
Register r7 information: non-paged memory
Register r8 information: slab kmalloc-cg-192 start 84fe93c0 pointer offset 108 size 192
Register r9 information: NULL pointer
Register r10 information: slab kmalloc-cg-192 start 84fe93c0 pointer offset 0 size 192
Register r11 information: 2-page vmalloc region starting at 0xe036c000 allocated at kernel_clone+0x9c/0x3f4 kernel/fork.c:2671
Register r12 information: 2-page vmalloc region starting at 0xe036c000 allocated at kernel_clone+0x9c/0x3f4 kernel/fork.c:2671
Process kworker/0:2 (pid: 9781, stack limit = 0xe036c000)
Stack: (0xe036de28 to 0xe036e000)
de20:                   00000000 84fe942c 84fe93c0 83a2b400 84fe942c 00000000
de40: e036de94 e036de50 80663868 808101e0 7fffffff 802a0f18 00000007 00000001
de60: e036de5c 69fdd591 83a2b4b8 00000001 83a2b4b8 00000007 83a2b400 80663760
de80: 00000000 84fe93c0 e036decc e036de98 8066ed00 8066376c e036debc 83a2b4a0
dea0: 80810160 83a2b400 00000000 dddd4a40 dddd8200 00000010 8302dc00 dddd8215
dec0: e036dee4 e036ded0 80664d40 8066ec98 83a2b400 00000000 e036defc e036dee8
dee0: 8066e82c 80664d18 8232cd6c 85310580 e036df44 e036df00 802611c0 8066e7b4
df00: 80275518 802a0f18 e036df2c e036df18 80262ea4 00000000 dddd4a40 85310580
df20: dddd4a40 85310598 dddd4a5c 82204d40 00000008 dddd4a40 e036df84 e036df48
df40: 802615cc 80260fc0 e036df64 81cffde0 823d7b4e 8302dc00 e036df84 853d9580
df60: 8302dc00 80261560 85310580 853d9b80 dfa41e8c 00000000 e036dfac e036df88
df80: 80269b24 8026156c 853d9580 80269a38 00000000 00000000 00000000 00000000
dfa0: 00000000 e036dfb0 80200100 80269a44 00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
Backtrace: 
[<808101d4>] (percpu_counter_add_batch) from [<80663868>] (percpu_counter_add_local include/linux/percpu_counter.h:75 [inline])
[<808101d4>] (percpu_counter_add_batch) from [<80663868>] (percpu_counter_sub_local include/linux/percpu_counter.h:225 [inline])
[<808101d4>] (percpu_counter_add_batch) from [<80663868>] (freeque+0x108/0x16c ipc/msg.c:292)
 r9:00000000 r8:84fe942c r7:83a2b400 r6:84fe93c0 r5:84fe942c r4:00000000
[<80663760>] (freeque) from [<8066ed00>] (free_ipcs+0x74/0x90 ipc/namespace.c:125)
 r10:84fe93c0 r9:00000000 r8:80663760 r7:83a2b400 r6:00000007 r5:83a2b4b8
 r4:00000001
[<8066ec8c>] (free_ipcs) from [<80664d40>] (msg_exit_ns+0x34/0x48 ipc/msg.c:1334)
 r10:dddd8215 r9:8302dc00 r8:00000010 r7:dddd8200 r6:dddd4a40 r5:00000000
 r4:83a2b400
[<80664d0c>] (msg_exit_ns) from [<8066e82c>] (free_ipc_ns ipc/namespace.c:138 [inline])
[<80664d0c>] (msg_exit_ns) from [<8066e82c>] (free_ipc+0x84/0xfc ipc/namespace.c:157)
 r5:00000000 r4:83a2b400
[<8066e7a8>] (free_ipc) from [<802611c0>] (process_one_work+0x20c/0x5ac kernel/workqueue.c:2289)
 r5:85310580 r4:8232cd6c
[<80260fb4>] (process_one_work) from [<802615cc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436)
 r10:dddd4a40 r9:00000008 r8:82204d40 r7:dddd4a5c r6:85310598 r5:dddd4a40
 r4:85310580
[<80261560>] (worker_thread) from [<80269b24>] (kthread+0xec/0x11c kernel/kthread.c:376)
 r10:00000000 r9:dfa41e8c r8:853d9b80 r7:85310580 r6:80261560 r5:8302dc00
 r4:853d9580
[<80269a38>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148)
Exception stack(0xe036dfb0 to 0xe036dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80269a38 r4:853d9580
Code: e34801ec eb3d18e0 e5951018 ee1d3f90 (e7918003) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	e34801ec 	movt	r0, #33260	; 0x81ec
   4:	eb3d18e0 	bl	0xf4638c
   8:	e5951018 	ldr	r1, [r5, #24]
   c:	ee1d3f90 	mrc	15, 0, r3, cr13, cr0, {4}
* 10:	e7918003 	ldr	r8, [r1, r3] <-- trapping instruction