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: 8465 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 : [<808101f4>]    lr : [<81756544>]    psr: 20000113
sp : ed759e28  ip : ed759e18  fp : ed759e4c
r10: 84908540  r9 : 00000000  r8 : 849085ac
r7 : 7fffffff  r6 : 00000000  r5 : 83ee59e8  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: 8429e800  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 83ee5800 pointer offset 488 size 1024
Register r6 information: NULL pointer
Register r7 information: non-paged memory
Register r8 information: slab kmalloc-cg-192 start 84908540 pointer offset 108 size 192
Register r9 information: NULL pointer
Register r10 information: slab kmalloc-cg-192 start 84908540 pointer offset 0 size 192
Register r11 information: 2-page vmalloc region starting at 0xed758000 allocated at kernel_clone+0x9c/0x3f4 kernel/fork.c:2671
Register r12 information: 2-page vmalloc region starting at 0xed758000 allocated at kernel_clone+0x9c/0x3f4 kernel/fork.c:2671
Process kworker/1:2 (pid: 8465, stack limit = 0xed758000)
Stack: (0xed759e28 to 0xed75a000)
9e20:                   00000000 849085ac 84908540 83ee5800 849085ac 00000000
9e40: ed759e94 ed759e50 80663850 808101c8 7fffffff 802a0f18 00000020 00000001
9e60: ed759e5c 56af29f4 83ee58b8 00000001 83ee58b8 00000020 83ee5800 80663748
9e80: 00000000 84908540 ed759ecc ed759e98 8066ece8 80663754 ed759ebc 83ee58a0
9ea0: 80810148 83ee5800 00000000 ddde5a40 ddde9200 00000090 852de780 ddde9215
9ec0: ed759ee4 ed759ed0 80664d28 8066ec80 83ee5800 00000000 ed759efc ed759ee8
9ee0: 8066e814 80664d00 8232cd6c 8525d600 ed759f44 ed759f00 802611c0 8066e79c
9f00: 80275518 802a0f18 ed759f2c ed759f18 80262ea4 00000000 ddde5a40 8525d600
9f20: ddde5a40 8525d618 ddde5a5c 82204d40 00000008 ddde5a40 ed759f84 ed759f48
9f40: 802615cc 80260fc0 ed759f64 81cffdc0 823d7b0e 852de780 ed759f84 85584740
9f60: 852de780 80261560 8525d600 855842c0 ee9c9e8c 00000000 ed759fac ed759f88
9f80: 80269b24 8026156c 85584740 80269a38 00000000 00000000 00000000 00000000
9fa0: 00000000 ed759fb0 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: 
[<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 r8:849085ac r7:83ee5800 r6:84908540 r5:849085ac r4:00000000
[<80663748>] (freeque) from [<8066ece8>] (free_ipcs+0x74/0x90 ipc/namespace.c:125)
 r10:84908540 r9:00000000 r8:80663748 r7:83ee5800 r6:00000020 r5:83ee58b8
 r4:00000001
[<8066ec74>] (free_ipcs) from [<80664d28>] (msg_exit_ns+0x34/0x48 ipc/msg.c:1334)
 r10:ddde9215 r9:852de780 r8:00000090 r7:ddde9200 r6:ddde5a40 r5:00000000
 r4:83ee5800
[<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 r4:83ee5800
[<8066e790>] (free_ipc) from [<802611c0>] (process_one_work+0x20c/0x5ac kernel/workqueue.c:2289)
 r5:8525d600 r4:8232cd6c
[<80260fb4>] (process_one_work) from [<802615cc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436)
 r10:ddde5a40 r9:00000008 r8:82204d40 r7:ddde5a5c r6:8525d618 r5:ddde5a40
 r4:8525d600
[<80261560>] (worker_thread) from [<80269b24>] (kthread+0xec/0x11c kernel/kthread.c:376)
 r10:00000000 r9:ee9c9e8c r8:855842c0 r7:8525d600 r6:80261560 r5:852de780
 r4:85584740
[<80269a38>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148)
Exception stack(0xed759fb0 to 0xed759ff8)
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 r4:85584740
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