vkms_vblank_simulate: vblank timer overrun
vkms_vblank_simulate: vblank timer overrun
8<--- cut here ---
Unable to handle kernel NULL pointer dereference at virtual address 000005fc when read
[000005fc] *pgd=80000080004003, *pmd=00000000
Internal error: Oops: 206 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.3.0-syzkaller #0
Hardware name: ARM-Versatile Express
Insufficient stack space to handle exception!
Task stack:     [0xdf85c000..0xdf85e000]
IRQ stack:      [0xdf804000..0xdf806000]
Overflow stack: [0x828ae000..0x828af000]
Internal error: kernel stack overflow: 0 [#2] PREEMPT SMP ARM
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.3.0-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at __dabt_svc+0x14/0x60 arch/arm/kernel/entry-armv.S:210
LR is at vsnprintf+0x378/0x408 lib/vsprintf.c:2862
pc : [<80200a74>]    lr : [<817af678>]    psr: 00000193