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: 31536 Comm: kworker/0:3 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 : ecd25e28  ip : ecd25e18  fp : ecd25e4c
r10: 85eb6180  r9 : 00000000  r8 : 85eb61ec
r7 : 7fffffff  r6 : 00000000  r5 : 840b41e8  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: 8571ff00  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 840b4000 pointer offset 488 size 1024
Register r6 information: NULL pointer
Register r7 information: non-paged memory
Register r8 information: slab kmalloc-cg-192 start 85eb6180 pointer offset 108 size 192
Register r9 information: NULL pointer
Register r10 information: slab kmalloc-cg-192 start 85eb6180 pointer offset 0 size 192
Register r11 information: 2-page vmalloc region starting at 0xecd24000 allocated at kernel_clone+0x9c/0x3f4 kernel/fork.c:2671
Register r12 information: 2-page vmalloc region starting at 0xecd24000 allocated at kernel_clone+0x9c/0x3f4 kernel/fork.c:2671
Process kworker/0:3 (pid: 31536, stack limit = 0xecd24000)
Stack: (0xecd25e28 to 0xecd26000)
5e20:                   00000000 85eb61ec 85eb6180 840b4000 85eb61ec 00000000
5e40: ecd25e94 ecd25e50 806637d0 80810148 7fffffff 802a0f18 00000014 00000001
5e60: ecd25e5c 0e14226e 840b40b8 00000001 840b40b8 00000014 840b4000 806636c8
5e80: 00000000 85eb6180 ecd25ecc ecd25e98 8066ec68 806636d4 ecd25ebc 840b40a0
5ea0: 808100c8 840b4000 00000000 dddd4a40 dddd8200 00000010 83e1dc00 dddd8215
5ec0: ecd25ee4 ecd25ed0 80664ca8 8066ec00 840b4000 00000000 ecd25efc ecd25ee8
5ee0: 8066e794 80664c80 8232cd6c 84f55100 ecd25f44 ecd25f00 802611c0 8066e71c
5f00: 80275518 802a0f18 ecd25f2c ecd25f18 80262ea4 00000000 dddd4a40 84f55100
5f20: dddd4a40 84f55118 dddd4a5c 82204d40 00000008 dddd4a40 ecd25f84 ecd25f48
5f40: 802615cc 80260fc0 ecd25f64 81cffd70 823d7b0e 83e1dc00 ecd25f84 85893dc0
5f60: 83e1dc00 80261560 84f55100 862a1840 ed549e8c 00000000 ecd25fac ecd25f88
5f80: 80269b24 8026156c 85893dc0 80269a38 00000000 00000000 00000000 00000000
5fa0: 00000000 ecd25fb0 80200100 80269a44 00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 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)
 r9:00000000 r8:85eb61ec r7:840b4000 r6:85eb6180 r5:85eb61ec r4:00000000
[<806636c8>] (freeque) from [<8066ec68>] (free_ipcs+0x74/0x90 ipc/namespace.c:125)
 r10:85eb6180 r9:00000000 r8:806636c8 r7:840b4000 r6:00000014 r5:840b40b8
 r4:00000001
[<8066ebf4>] (free_ipcs) from [<80664ca8>] (msg_exit_ns+0x34/0x48 ipc/msg.c:1334)
 r10:dddd8215 r9:83e1dc00 r8:00000010 r7:dddd8200 r6:dddd4a40 r5:00000000
 r4:840b4000
[<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 r4:840b4000
[<8066e710>] (free_ipc) from [<802611c0>] (process_one_work+0x20c/0x5ac kernel/workqueue.c:2289)
 r5:84f55100 r4:8232cd6c
[<80260fb4>] (process_one_work) from [<802615cc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436)
 r10:dddd4a40 r9:00000008 r8:82204d40 r7:dddd4a5c r6:84f55118 r5:dddd4a40
 r4:84f55100
[<80261560>] (worker_thread) from [<80269b24>] (kthread+0xec/0x11c kernel/kthread.c:376)
 r10:00000000 r9:ed549e8c r8:862a1840 r7:84f55100 r6:80261560 r5:83e1dc00
 r4:85893dc0
[<80269a38>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148)
Exception stack(0xecd25fb0 to 0xecd25ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80269a38 r4:85893dc0
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