diff options
Diffstat (limited to 'recipes-extended/xen/files/xsa253.patch')
-rw-r--r-- | recipes-extended/xen/files/xsa253.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/recipes-extended/xen/files/xsa253.patch b/recipes-extended/xen/files/xsa253.patch new file mode 100644 index 00000000..19e42693 --- /dev/null +++ b/recipes-extended/xen/files/xsa253.patch | |||
@@ -0,0 +1,26 @@ | |||
1 | From: Andrew Cooper <andrew.cooper3@citrix.com> | ||
2 | Subject: x86/msr: Free msr_vcpu_policy during vcpu destruction | ||
3 | |||
4 | c/s 4187f79dc7 "x86/msr: introduce struct msr_vcpu_policy" introduced a | ||
5 | per-vcpu memory allocation, but failed to free it in the clean vcpu | ||
6 | destruction case. | ||
7 | |||
8 | This is XSA-253 | ||
9 | |||
10 | Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> | ||
11 | Reviewed-by: Jan Beulich <jbeulich@suse.com> | ||
12 | |||
13 | diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c | ||
14 | index b17468c..0ae715d 100644 | ||
15 | --- a/xen/arch/x86/domain.c | ||
16 | +++ b/xen/arch/x86/domain.c | ||
17 | @@ -382,6 +382,9 @@ void vcpu_destroy(struct vcpu *v) | ||
18 | |||
19 | vcpu_destroy_fpu(v); | ||
20 | |||
21 | + xfree(v->arch.msr); | ||
22 | + v->arch.msr = NULL; | ||
23 | + | ||
24 | if ( !is_idle_domain(v->domain) ) | ||
25 | vpmu_destroy(v); | ||
26 | |||