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: 13033 Comm: kworker/0:3 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 : [<80810214>]    lr : [<81756784>]    psr: 200c0113
sp : ebc69e28  ip : ebc69e18  fp : ebc69e4c
r10: 84f92240  r9 : 00000001  r8 : 84f922ac
r7 : 7fffffff  r6 : 00000000  r5 : 8312b5e8  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: 852dcd40  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 8312b400 pointer offset 488 size 1024
Register r6 information: NULL pointer
Register r7 information: non-paged memory
Register r8 information: slab kmalloc-cg-192 start 84f92240 pointer offset 108 size 192
Register r9 information: non-paged memory
Register r10 information: slab kmalloc-cg-192 start 84f92240 pointer offset 0 size 192
Register r11 information: 2-page vmalloc region starting at 0xebc68000 allocated at kernel_clone+0x9c/0x3f4 kernel/fork.c:2671
Register r12 information: 2-page vmalloc region starting at 0xebc68000 allocated at kernel_clone+0x9c/0x3f4 kernel/fork.c:2671
Process kworker/0:3 (pid: 13033, stack limit = 0xebc68000)
Stack: (0xebc69e28 to 0xebc6a000)
9e20:                   00000000 84f922ac 84f92240 8312b400 84f922ac 00000001
9e40: ebc69e94 ebc69e50 80663870 808101e8 7fffffff 802a0f18 00000010 00000001
9e60: ebc69e5c 660f0767 8312b4b8 00000001 8312b4b8 00000010 8312b400 80663768
9e80: 00000001 84f92240 ebc69ecc ebc69e98 8066ed08 80663774 ebc69ebc 8312b4a0
9ea0: 80810168 8312b400 00000000 dddd4a40 dddd8200 00000010 82907300 dddd8215
9ec0: ebc69ee4 ebc69ed0 80664d48 8066eca0 8312b400 00000000 ebc69efc ebc69ee8
9ee0: 8066e834 80664d20 8232cd6c 85017c80 ebc69f44 ebc69f00 802611c0 8066e7bc
9f00: 80275518 802a0f18 ebc69f2c ebc69f18 80262ea4 00000000 dddd4a40 85017c80
9f20: dddd4a40 85017c98 dddd4a5c 82204d40 00000008 dddd4a40 ebc69f84 ebc69f48
9f40: 802615cc 80260fc0 ebc69f64 81cffe50 823d7b4e 82907300 ebc69f84 8531ec00
9f60: 82907300 80261560 85017c80 8531e040 ecbc5e8c 00000000 ebc69fac ebc69f88
9f80: 80269b24 8026156c 8531ec00 80269a38 00000000 00000000 00000000 00000000
9fa0: 00000000 ebc69fb0 80200100 80269a44 00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
Backtrace: 
[<808101dc>] (percpu_counter_add_batch) from [<80663870>] (percpu_counter_add_local include/linux/percpu_counter.h:75 [inline])
[<808101dc>] (percpu_counter_add_batch) from [<80663870>] (percpu_counter_sub_local include/linux/percpu_counter.h:225 [inline])
[<808101dc>] (percpu_counter_add_batch) from [<80663870>] (freeque+0x108/0x16c ipc/msg.c:292)
 r9:00000001 r8:84f922ac r7:8312b400 r6:84f92240 r5:84f922ac r4:00000000
[<80663768>] (freeque) from [<8066ed08>] (free_ipcs+0x74/0x90 ipc/namespace.c:125)
 r10:84f92240 r9:00000001 r8:80663768 r7:8312b400 r6:00000010 r5:8312b4b8
 r4:00000001
[<8066ec94>] (free_ipcs) from [<80664d48>] (msg_exit_ns+0x34/0x48 ipc/msg.c:1334)
 r10:dddd8215 r9:82907300 r8:00000010 r7:dddd8200 r6:dddd4a40 r5:00000000
 r4:8312b400
[<80664d14>] (msg_exit_ns) from [<8066e834>] (free_ipc_ns ipc/namespace.c:138 [inline])
[<80664d14>] (msg_exit_ns) from [<8066e834>] (free_ipc+0x84/0xfc ipc/namespace.c:157)
 r5:00000000 r4:8312b400
[<8066e7b0>] (free_ipc) from [<802611c0>] (process_one_work+0x20c/0x5ac kernel/workqueue.c:2289)
 r5:85017c80 r4:8232cd6c
[<80260fb4>] (process_one_work) from [<802615cc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436)
 r10:dddd4a40 r9:00000008 r8:82204d40 r7:dddd4a5c r6:85017c98 r5:dddd4a40
 r4:85017c80
[<80261560>] (worker_thread) from [<80269b24>] (kthread+0xec/0x11c kernel/kthread.c:376)
 r10:00000000 r9:ecbc5e8c r8:8531e040 r7:85017c80 r6:80261560 r5:82907300
 r4:8531ec00
[<80269a38>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148)
Exception stack(0xebc69fb0 to 0xebc69ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80269a38 r4:8531ec00
Code: e34801ec eb3d1956 e5951018 ee1d3f90 (e7918003) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	e34801ec 	movt	r0, #33260	; 0x81ec
   4:	eb3d1956 	bl	0xf46564
   8:	e5951018 	ldr	r1, [r5, #24]
   c:	ee1d3f90 	mrc	15, 0, r3, cr13, cr0, {4}
* 10:	e7918003 	ldr	r8, [r1, r3] <-- trapping instruction