third_party/libxml/chromium/libxml2-2.9.4-security-xpath-nodetab-uaf.patch - Issue 2797923004: Improve XML serialization, URI parsing, and XPath node set processing.

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Unified Diff: third_party/libxml/chromium/libxml2-2.9.4-security-xpath-nodetab-uaf.patch

Issue 2797923004: Improve XML serialization, URI parsing, and XPath node set processing. (Closed)

Patch Set: Rebase. Created 3 years, 8 months ago

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Index: third_party/libxml/chromium/libxml2-2.9.4-security-xpath-nodetab-uaf.patch

diff --git a/third_party/libxml/chromium/libxml2-2.9.4-security-xpath-nodetab-uaf.patch b/third_party/libxml/chromium/libxml2-2.9.4-security-xpath-nodetab-uaf.patch

new file mode 100644

index 0000000000000000000000000000000000000000..ecf93074a68068ccd23615b57fd907fd58218e48

--- /dev/null

+++ b/third_party/libxml/chromium/libxml2-2.9.4-security-xpath-nodetab-uaf.patch

@@ -0,0 +1,15 @@

+not upstream yet, fix from nmehta@

+see https://docs.google.com/document/d/1-Cd_Yq8MZ7am2ZhKhbDhqZ_L0aLJPBg0w1QLXGVoNmY/edit

+and https://bugs.chromium.org/p/chromium/issues/detail?id=705445

+--- src/xpath.c 2016-12-25 17:26:52.000000000 -0800

++++ src/xpath.c 2017-03-30 11:15:41.000000000 -0700

+@@ -4368,7 +4368,7 @@

+ }

+ memset(ret, 0 , (size_t) sizeof(xmlXPathObject));

+ ret->type = XPATH_XSLT_TREE;

+- ret->boolval = 1;

++ ret->boolval = 0;

+ ret->user = (void *) val;

+ ret->nodesetval = xmlXPathNodeSetCreate(val);

+ #ifdef XP_DEBUG_OBJ_USAGE