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: 24708 Comm: kworker/0:2 Not tainted 6.1.0-rc1-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 : [<80810174>]    lr : [<817563c4>]    psr: 20000113
sp : ebe3de28  ip : ebe3de18  fp : ebe3de4c
r10: 853d29c0  r9 : 00000001  r8 : 853d2a2c
r7 : 7fffffff  r6 : 00000000  r5 : 83f541e8  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: 84fe7980  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 83f54000 pointer offset 488 size 1024
Register r6 information: NULL pointer
Register r7 information: non-paged memory
Register r8 information: slab kmalloc-cg-192 start 853d29c0 pointer offset 108 size 192
Register r9 information: non-paged memory
Register r10 information: slab kmalloc-cg-192 start 853d29c0 pointer offset 0 size 192
Register r11 information: 2-page vmalloc region starting at 0xebe3c000 allocated at kernel_clone+0x9c/0x3f4 kernel/fork.c:2671
Register r12 information: 2-page vmalloc region starting at 0xebe3c000 allocated at kernel_clone+0x9c/0x3f4 kernel/fork.c:2671
Process kworker/0:2 (pid: 24708, stack limit = 0xebe3c000)
Stack: (0xebe3de28 to 0xebe3e000)
de20:                   00000000 853d2a2c 853d29c0 83f54000 853d2a2c 00000001
de40: ebe3de94 ebe3de50 806637d0 80810148 7fffffff 802a0f18 00000004 00000001
de60: ebe3de5c 8b160768 83f540b8 00000001 83f540b8 00000004 83f54000 806636c8
de80: 00000001 853d29c0 ebe3decc ebe3de98 8066ec68 806636d4 ebe3debc 83f540a0
dea0: 808100c8 83f54000 00000000 dddd4a40 dddd8200 00000010 83cdc500 dddd8215
dec0: ebe3dee4 ebe3ded0 80664ca8 8066ec00 83f54000 00000000 ebe3defc ebe3dee8
dee0: 8066e794 80664c80 8232cd6c 84266400 ebe3df44 ebe3df00 802611c0 8066e71c
df00: 80275518 802a0f18 ebe3df2c ebe3df18 80262ea4 00000000 dddd4a40 84266400
df20: dddd4a40 84266418 dddd4a5c 82204d40 00000008 dddd4a40 ebe3df84 ebe3df48
df40: 802615cc 80260fc0 ebe3df64 81cffd70 823d7b0e 83cdc500 ebe3df84 855aa400
df60: 83cdc500 80261560 84266400 8534b680 ed7a1e8c 00000000 ebe3dfac ebe3df88
df80: 80269b24 8026156c 855aa400 80269a38 00000000 00000000 00000000 00000000
dfa0: 00000000 ebe3dfb0 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: 
[<8081013c>] (percpu_counter_add_batch) from [<806637d0>] (percpu_counter_add_local include/linux/percpu_counter.h:75 [inline])
[<8081013c>] (percpu_counter_add_batch) from [<806637d0>] (percpu_counter_sub_local include/linux/percpu_counter.h:225 [inline])
[<8081013c>] (percpu_counter_add_batch) from [<806637d0>] (freeque+0x108/0x16c ipc/msg.c:292)
 r9:00000001 r8:853d2a2c r7:83f54000 r6:853d29c0 r5:853d2a2c r4:00000000
[<806636c8>] (freeque) from [<8066ec68>] (free_ipcs+0x74/0x90 ipc/namespace.c:125)
 r10:853d29c0 r9:00000001 r8:806636c8 r7:83f54000 r6:00000004 r5:83f540b8
 r4:00000001
[<8066ebf4>] (free_ipcs) from [<80664ca8>] (msg_exit_ns+0x34/0x48 ipc/msg.c:1334)
 r10:dddd8215 r9:83cdc500 r8:00000010 r7:dddd8200 r6:dddd4a40 r5:00000000
 r4:83f54000
[<80664c74>] (msg_exit_ns) from [<8066e794>] (free_ipc_ns ipc/namespace.c:138 [inline])
[<80664c74>] (msg_exit_ns) from [<8066e794>] (free_ipc+0x84/0xfc ipc/namespace.c:157)
 r5:00000000 r4:83f54000
[<8066e710>] (free_ipc) from [<802611c0>] (process_one_work+0x20c/0x5ac kernel/workqueue.c:2289)
 r5:84266400 r4:8232cd6c
[<80260fb4>] (process_one_work) from [<802615cc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436)
 r10:dddd4a40 r9:00000008 r8:82204d40 r7:dddd4a5c r6:84266418 r5:dddd4a40
 r4:84266400
[<80261560>] (worker_thread) from [<80269b24>] (kthread+0xec/0x11c kernel/kthread.c:376)
 r10:00000000 r9:ed7a1e8c r8:8534b680 r7:84266400 r6:80261560 r5:83cdc500
 r4:855aa400
[<80269a38>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148)
Exception stack(0xebe3dfb0 to 0xebe3dff8)
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 r4:855aa400
Code: e34801ec eb3d188e e5951018 ee1d3f90 (e7918003) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	e34801ec 	movt	r0, #33260	; 0x81ec
   4:	eb3d188e 	bl	0xf46244
   8:	e5951018 	ldr	r1, [r5, #24]
   c:	ee1d3f90 	mrc	15, 0, r3, cr13, cr0, {4}
* 10:	e7918003 	ldr	r8, [r1, r3] <-- trapping instruction