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Issue metadata

Status: Verified
Owner: ----
Closed: Apr 2017
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Use-of-uninitialized-value in CFGAS_TextStream::InitStream

Project Member Reported by ClusterFuzz, Apr 15 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6169477013307392

Fuzzer: libfuzzer_pdfium_xfa_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  CFGAS_TextStream::InitStream
  CFX_RetainPtr<CFGAS_TextStream> pdfium::MakeRetain<CFGAS_TextStream, std::__1::u
  IFGAS_Stream::CreateReadStream
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=464851:464856

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv95wygvQ6VnMoWFmRtXXyRu4V_QWsOxrSEZ_reFevERGHy8deMWlvhgmEeoBLC9cI0aqB34lomPIjndPZ7j_-szMo7ljyOj1N5gqEl_KN9qj1lGdhJaaFf1Str3kM8yzvlgpTy_mLwzaWKnrYAzrijzlykHkO6RdNOCKiC7m9B_SK7sywO4EbY39oe9yte-hkzoe3rlGr6yiA57zaRBU1T6q6RN6OXXGKcuWzr3hRDlcPb4DBPRSr8dVT-RoYkJLVA9W9aZNUHv5cT5-2IdARiuuCMN2YMdng7zqrxaYcbLc5FzB550XrabKLKBV1xyNTj3EArk9x_zSDcEjex04g5wOL_hOpoizmDCKXXcjAFHt1YZn04E?testcase_id=6169477013307392


Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Apr 16 2017

ClusterFuzz has detected this issue as fixed in range 464856:464864.

Detailed report: https://clusterfuzz.com/testcase?key=6169477013307392

Fuzzer: libfuzzer_pdfium_xfa_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  CFGAS_TextStream::InitStream
  CFX_RetainPtr<CFGAS_TextStream> pdfium::MakeRetain<CFGAS_TextStream, std::__1::u
  IFGAS_Stream::CreateReadStream
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=464851:464856
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=464856:464864

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv95wygvQ6VnMoWFmRtXXyRu4V_QWsOxrSEZ_reFevERGHy8deMWlvhgmEeoBLC9cI0aqB34lomPIjndPZ7j_-szMo7ljyOj1N5gqEl_KN9qj1lGdhJaaFf1Str3kM8yzvlgpTy_mLwzaWKnrYAzrijzlykHkO6RdNOCKiC7m9B_SK7sywO4EbY39oe9yte-hkzoe3rlGr6yiA57zaRBU1T6q6RN6OXXGKcuWzr3hRDlcPb4DBPRSr8dVT-RoYkJLVA9W9aZNUHv5cT5-2IdARiuuCMN2YMdng7zqrxaYcbLc5FzB550XrabKLKBV1xyNTj3EArk9x_zSDcEjex04g5wOL_hOpoizmDCKXXcjAFHt1YZn04E?testcase_id=6169477013307392


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 2 by ClusterFuzz, Apr 16 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6169477013307392 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Project Member

Comment 3 by sheriffbot@chromium.org, Apr 16 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Project Member

Comment 4 by sheriffbot@chromium.org, Jul 23 2017

Labels: -Restrict-View-SecurityNotify allpublic
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
Project Member

Comment 5 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

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