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https://gitlab.alpinelinux.org/alpine/aports.git
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27 lines
739 B
Diff
27 lines
739 B
Diff
From: Andrew Cooper <andrew.cooper3@citrix.com>
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Subject: x86/msr: Free msr_vcpu_policy during vcpu destruction
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c/s 4187f79dc7 "x86/msr: introduce struct msr_vcpu_policy" introduced a
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per-vcpu memory allocation, but failed to free it in the clean vcpu
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destruction case.
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This is XSA-253
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Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
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Reviewed-by: Jan Beulich <jbeulich@suse.com>
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diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c
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index b17468c..0ae715d 100644
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--- a/xen/arch/x86/domain.c
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+++ b/xen/arch/x86/domain.c
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@@ -382,6 +382,9 @@ void vcpu_destroy(struct vcpu *v)
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vcpu_destroy_fpu(v);
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+ xfree(v->arch.msr);
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+ v->arch.msr = NULL;
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+
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if ( !is_idle_domain(v->domain) )
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vpmu_destroy(v);
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