Fix libxml2 unsafe memory access
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- v1 Latest1 patch 5 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/1 | libxml2: fix unsafe memory accessmeta/ meta/ | +99 | 5 replies |
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Cover letter [PATCH 0/1] Fix libxml2 unsafe memory access
From: Kai Kang <[email protected]>
The patch is from:
https://bugzilla.gnome.org/show_bug.cgi?id=746048
Build image with packagegroup-core-buildessential, boot the image and compile following c code:
==================================================
#include "string.h"
#include <libxml/HTMLparser.h>
#include <libxml/HTMLtree.h>
int main(int argc, char** argv)
{
// Nokogiri::HTML::fragment("<!-- ")
htmlDocPtr doc ; int options = HTML_PARSE_RECOVER | HTML_PARSE_NOERROR | HTML_PARSE_NOWARNING | HTML_PARSE_NONET ; char* HTMLFRAG_GOOD = "<html><body><!-- x" ; char* HTMLFRAG_BAD = "<html><body><!--" ; char* HTMLFRAG = HTMLFRAG_BAD ; xmlInitParser();
doc = htmlReadMemory(HTMLFRAG, strlen(HTMLFRAG),
NULL,
"UTF-8",
options); xmlFreeDoc(doc);
}
==================================================
Run with valgrind, there is no warning.
The following changes since commit 8a0d8eee432924433c3e70198aaeab3161476c5f:
toaster manual: Updated the set up and use chapter (2015-10-27 07:28:22 +0000)
are available in the git repository at:
git://git.yoctoproject.org/poky-contrib kangkai/libxml2
http://git.yoctoproject.org/cgit.cgi/poky-contrib/log/?h=kangkai/libxml2
Kai Kang (1):
libxml2: fix unsafe memory access
.../libxml2/libxml2-fix-unsafe-memory-access.patch | 97 ++++++++++++++++++++++ meta/recipes-core/libxml/libxml2_2.9.2.bb | 3 +- 2 files changed, 99 insertions(+), 1 deletion(-) create mode 100644 meta/recipes-core/libxml/libxml2/libxml2-fix-unsafe-memory-access.patch
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