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authorRyan Harrison <rharrison@chromium.org>2018-08-03 19:45:26 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-08-03 19:45:26 +0000
commite819c2057ffdea90fef40d5801aec22ecd8571cd (patch)
tree778870a39298b26d70de17bfcc3c2a76202601fb /fpdfsdk
parent2958a8faf500b9c01ca968ee46fe89795eafe2a7 (diff)
downloadpdfium-e819c2057ffdea90fef40d5801aec22ecd8571cd.tar.xz
Make CFX_XMLParser less permissive
Currently the parser will accept arbitrary garbage before the first element begins. This is causing issues with ClusterFuzz since it generates a lot of trash inputs which take a long time to parse inspite of being invalid. This CL adds in a check of how deep the parse is when dealing with text, and if it is at the top level scope, then only accept the beginning of the root node. BUG=chromium:863098 Change-Id: Ie45114ecf488f7e8a68a120d153033c7089d5cdc Reviewed-on: https://pdfium-review.googlesource.com/39470 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'fpdfsdk')
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