8<--- cut here ---
Unable to handle kernel paging request at virtual address 5bd3b000
[5bd3b000] *pgd=80000080005003, *pmd=00000000
Internal error: Oops: 206 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 1 PID: 41 Comm: kworker/1:2 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 : [<80810214>]    lr : [<81756784>]    psr: 20000013
sp : df919e28  ip : df919e18  fp : df919e4c
r10: 84fbcf00  r9 : 00000001  r8 : 84fbcf6c
r7 : 7fffffff  r6 : 00000000  r5 : 83db35e8  r4 : 00000000
r3 : 5bd3b000  r2 : 00000000  r1 : 00000000  r0 : 00000001
Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 30c5387d  Table: 840117c0  DAC: 00000000
Register r0 information: non-paged memory
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 83db3400 pointer offset 488 size 1024
Register r6 information: NULL pointer
Register r7 information: non-paged memory
Register r8 information: slab kmalloc-cg-192 start 84fbcf00 pointer offset 108 size 192
Register r9 information: non-paged memory
Register r10 information: slab kmalloc-cg-192 start 84fbcf00 pointer offset 0 size 192
Register r11 information: 2-page vmalloc region starting at 0xdf918000 allocated at kernel_clone+0x9c/0x3f4 kernel/fork.c:2671
Register r12 information: 2-page vmalloc region starting at 0xdf918000 allocated at kernel_clone+0x9c/0x3f4 kernel/fork.c:2671
Process kworker/1:2 (pid: 41, stack limit = 0xdf918000)
Stack: (0xdf919e28 to 0xdf91a000)
9e20:                   00000000 84fbcf6c 84fbcf00 83db3400 84fbcf6c 00000001
9e40: df919e94 df919e50 80663870 808101e8 7fffffff 802a0f18 00000007 00000001
9e60: df919e5c 19e51c02 83db34b8 00000001 83db34b8 00000007 83db3400 80663768
9e80: 00000001 84fbcf00 df919ecc df919e98 8066ed08 80663774 df919ebc 83db34a0
9ea0: 80810168 83db3400 00000000 ddde5a40 ddde9200 00000090 82a88000 ddde9215
9ec0: df919ee4 df919ed0 80664d48 8066eca0 83db3400 00000000 df919efc df919ee8
9ee0: 8066e834 80664d20 8232cd6c 82b7a980 df919f44 df919f00 802611c0 8066e7bc
9f00: 80275518 802a0f18 df919f2c df919f18 80262ea4 00000000 ddde5a40 82b7a980
9f20: ddde5a40 82b7a998 ddde5a5c 82204d40 00000008 ddde5a40 df919f84 df919f48
9f40: 802615cc 80260fc0 df919f64 81cffe50 823d7b4e 82a88000 df919f84 82b7d600
9f60: 82a88000 80261560 82b7a980 82b7d6c0 df871e8c 00000000 df919fac df919f88
9f80: 80269b24 8026156c 82b7d600 80269a38 00000000 00000000 00000000 00000000
9fa0: 00000000 df919fb0 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 r8:84fbcf6c r7:83db3400 r6:84fbcf00 r5:84fbcf6c r4:00000000
[<80663768>] (freeque) from [<8066ed08>] (free_ipcs+0x74/0x90 ipc/namespace.c:125)
 r10:84fbcf00 r9:00000001 r8:80663768 r7:83db3400 r6:00000007 r5:83db34b8
 r4:00000001
[<8066ec94>] (free_ipcs) from [<80664d48>] (msg_exit_ns+0x34/0x48 ipc/msg.c:1334)
 r10:ddde9215 r9:82a88000 r8:00000090 r7:ddde9200 r6:ddde5a40 r5:00000000
 r4:83db3400
[<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 r4:83db3400
[<8066e7b0>] (free_ipc) from [<802611c0>] (process_one_work+0x20c/0x5ac kernel/workqueue.c:2289)
 r5:82b7a980 r4:8232cd6c
[<80260fb4>] (process_one_work) from [<802615cc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436)
 r10:ddde5a40 r9:00000008 r8:82204d40 r7:ddde5a5c r6:82b7a998 r5:ddde5a40
 r4:82b7a980
[<80261560>] (worker_thread) from [<80269b24>] (kthread+0xec/0x11c kernel/kthread.c:376)
 r10:00000000 r9:df871e8c r8:82b7d6c0 r7:82b7a980 r6:80261560 r5:82a88000
 r4:82b7d600
[<80269a38>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148)
Exception stack(0xdf919fb0 to 0xdf919ff8)
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 r4:82b7d600
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