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SUSE:SLE-12-SP1:Update
xen.7316
xsa252.patch
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File xsa252.patch of Package xen.7316
memory: don't implicitly unpin for decrease-reservation It very likely was a mistake (copy-and-paste from domain cleanup code) to implicitly unpin here: The caller should really unpin itself before (or after, if they so wish) requesting the page to be removed. This is XSA-252. Reported-by: Jann Horn <jannh@google.com> Signed-off-by: Jan Beulich <jbeulich@suse.com> --- a/xen/common/memory.c +++ b/xen/common/memory.c @@ -316,9 +316,6 @@ int guest_remove_page(struct domain *d, rc = guest_physmap_remove_page(d, gmfn, mfn, 0); - if ( !rc && test_and_clear_bit(_PGT_pinned, &page->u.inuse.type_info) ) - put_page_and_type(page); - if ( !rc && test_and_clear_bit(_PGC_allocated, &page->count_info) ) put_page(page);
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