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Bad-cast to CFDE_XMLElement from CFDE_XMLNode;XFA_FDEExtension_ResolveNamespaceQualifier;GetElementTagNamespaceURI |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=4631658419716096 Fuzzer: libfuzzer_pdfium_xfa_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Bad-cast Crash Address: 0x1d6531a3d060 Crash State: Bad-cast to CFDE_XMLElement from CFDE_XMLNode XFA_FDEExtension_ResolveNamespaceQualifier GetElementTagNamespaceURI Sanitizer: undefined (UBSAN) Recommended Security Severity: High Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=459160:459204 Reproducer Testcase: https://clusterfuzz.com/download/AMIfv95sCJyGa0zsOrfGfHkh6m_p0hl4f1K8V4eSBdLM6fBwuqUCKP-n3VTjagl0_mlGALOc_mcosn2FgCZdR6XY1E5CDDpWTLkhY6qdPZHMoim6F_l4acopYSxjZQ8VTYRB_473PLpOwWML80E7bgj-iav-GJ6bet8PxGqhlmDvZohAhr0w6WPzPi9jgAhJswWhqkT5Ps0uCDqUjfgdt9k34BXJm0nUbdTBddix91KGaU2mFG7YPIh7CrrGzSdS7vA_YXUGu8iinUXXQKT7whXO7Rcc_C8aALz-yaOWz0ra8nWgQFG8HglWic_srzvd7hr1Ql4qS3xDmkNJzTI8Xyaz37lY-nxqljlISBxEW2G7YiUmPP5ekDb6h1oeoTrywOkU17mhM6Rd_8SAPbfpzFlwAD_1bzNhFQ?testcase_id=4631658419716096 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
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Mar 24 2017
This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Mar 24 2017
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Mar 24 2017
dsinclair@, could you take a look at this issue? I wonder if it is related to your cl https://pdfium.googlesource.com/pdfium.git/+/80c487809858b74783a00e05cc8164edf4b1307c Please feel free to re-assign.
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Mar 24 2017
This is XFA code which is not enabled in Chromium builds.
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Mar 24 2017
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Mar 27 2017
Does not repro for me and is marked as not repro'ing in clusterfuzz.
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Jul 4 2017
This bug has been closed for more than 14 weeks. Removing security view restrictions. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot |
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Comment 1 by sheriffbot@chromium.org
, Mar 24 2017