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: 9742 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 : [<808101f4>]    lr : [<81756544>]    psr: 20000013
sp : eda2de28  ip : eda2de18  fp : eda2de4c
r10: 84f77cc0  r9 : 00000000  r8 : 84f77d2c
r7 : 7fffffff  r6 : 00000000  r5 : 83e975e8  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: 82896940  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 83e97400 pointer offset 488 size 1024
Register r6 information: NULL pointer
Register r7 information: non-paged memory
Register r8 information: slab kmalloc-cg-192 start 84f77cc0 pointer offset 108 size 192
Register r9 information: NULL pointer
Register r10 information: slab kmalloc-cg-192 start 84f77cc0 pointer offset 0 size 192
Register r11 information: 2-page vmalloc region starting at 0xeda2c000 allocated at kernel_clone+0x9c/0x3f4 kernel/fork.c:2671
Register r12 information: 2-page vmalloc region starting at 0xeda2c000 allocated at kernel_clone+0x9c/0x3f4 kernel/fork.c:2671
Process kworker/0:2 (pid: 9742, stack limit = 0xeda2c000)
Stack: (0xeda2de28 to 0xeda2e000)
de20:                   00000000 84f77d2c 84f77cc0 83e97400 84f77d2c 00000000
de40: eda2de94 eda2de50 80663850 808101c8 7fffffff 802a0f18 00000005 00000001
de60: eda2de5c 496c19b1 83e974b8 00000001 83e974b8 00000005 83e97400 80663748
de80: 00000000 84f77cc0 eda2decc eda2de98 8066ece8 80663754 eda2debc 83e974a0
dea0: 80810148 83e97400 00000000 dddd4a40 dddd8200 00000010 83128b80 dddd8215
dec0: eda2dee4 eda2ded0 80664d28 8066ec80 83e97400 00000000 eda2defc eda2dee8
dee0: 8066e814 80664d00 8232cd6c 86117380 eda2df44 eda2df00 802611c0 8066e79c
df00: 80275518 802a0f18 eda2df2c eda2df18 80262ea4 00000000 dddd4a40 86117380
df20: dddd4a40 86117398 dddd4a5c 82204d40 00000008 dddd4a40 eda2df84 eda2df48
df40: 802615cc 80260fc0 eda2df64 81cffdc0 823d7b0e 83128b80 eda2df84 851ea340
df60: 83128b80 80261560 86117380 85172000 edd09e8c 00000000 eda2dfac eda2df88
df80: 80269b24 8026156c 851ea340 80269a38 00000000 00000000 00000000 00000000
dfa0: 00000000 eda2dfb0 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: 
[<808101bc>] (percpu_counter_add_batch) from [<80663850>] (percpu_counter_add_local include/linux/percpu_counter.h:75 [inline])
[<808101bc>] (percpu_counter_add_batch) from [<80663850>] (percpu_counter_sub_local include/linux/percpu_counter.h:225 [inline])
[<808101bc>] (percpu_counter_add_batch) from [<80663850>] (freeque+0x108/0x16c ipc/msg.c:292)
 r9:00000000 r8:84f77d2c r7:83e97400 r6:84f77cc0 r5:84f77d2c r4:00000000
[<80663748>] (freeque) from [<8066ece8>] (free_ipcs+0x74/0x90 ipc/namespace.c:125)
 r10:84f77cc0 r9:00000000 r8:80663748 r7:83e97400 r6:00000005 r5:83e974b8
 r4:00000001
[<8066ec74>] (free_ipcs) from [<80664d28>] (msg_exit_ns+0x34/0x48 ipc/msg.c:1334)
 r10:dddd8215 r9:83128b80 r8:00000010 r7:dddd8200 r6:dddd4a40 r5:00000000
 r4:83e97400
[<80664cf4>] (msg_exit_ns) from [<8066e814>] (free_ipc_ns ipc/namespace.c:138 [inline])
[<80664cf4>] (msg_exit_ns) from [<8066e814>] (free_ipc+0x84/0xfc ipc/namespace.c:157)
 r5:00000000 r4:83e97400
[<8066e790>] (free_ipc) from [<802611c0>] (process_one_work+0x20c/0x5ac kernel/workqueue.c:2289)
 r5:86117380 r4:8232cd6c
[<80260fb4>] (process_one_work) from [<802615cc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436)
 r10:dddd4a40 r9:00000008 r8:82204d40 r7:dddd4a5c r6:86117398 r5:dddd4a40
 r4:86117380
[<80261560>] (worker_thread) from [<80269b24>] (kthread+0xec/0x11c kernel/kthread.c:376)
 r10:00000000 r9:edd09e8c r8:85172000 r7:86117380 r6:80261560 r5:83128b80
 r4:851ea340
[<80269a38>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148)
Exception stack(0xeda2dfb0 to 0xeda2dff8)
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 r4:851ea340
Code: e34801ec eb3d18ce e5951018 ee1d3f90 (e7918003) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	e34801ec 	movt	r0, #33260	; 0x81ec
   4:	eb3d18ce 	bl	0xf46344
   8:	e5951018 	ldr	r1, [r5, #24]
   c:	ee1d3f90 	mrc	15, 0, r3, cr13, cr0, {4}
* 10:	e7918003 	ldr	r8, [r1, r3] <-- trapping instruction