Messages in this thread | | | Subject | Re: [RFC v2 01/12] KVM: arm/arm64: Set dist->spis to NULL after kfree | From | Auger Eric <> | Date | Wed, 28 Mar 2018 08:41:26 +0200 |
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Hi Marc, On 27/03/18 19:10, Marc Zyngier wrote: > 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@redhat.com> > > Fixes: ad275b8bb1e6 ("KVM: arm/arm64: vgic-new: vgic_init: implement > vgic_init") Sorry for the oversight :-( > > Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Thanks
Eric > > M. >
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