Re: [RFC v2 01/12] KVM: arm/arm64: Set dist->spis to NULL after kfree

[Marc Zyngier]

On 27/03/18 15:04, Eric Auger wrote:
> in case kvm_vgic_map_resources() fails, typically if the vgic
> distributor is not defined, __kvm_vgic_destroy will be called
> several times. Indeed kvm_vgic_map_resources() is called on
> first vcpu run. As a result dist->spis is freeed more than once
> and on the second time it causes a "kernel BUG at mm/slub.c:3912!"
> 
> Set dist->spis to NULL to avoid the crash.
> 
> Signed-off-by: Eric Auger <eric.auger@xxxxxxxxxx>

Fixes: ad275b8bb1e6 ("KVM: arm/arm64: vgic-new: vgic_init: implement
vgic_init")

Reviewed-by: Marc Zyngier <marc.zyngier@xxxxxxx>

	M.
-- 
Jazz is not dead. It just smells funny...