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Use-of-uninitialized-value in content::SignedExchangePrologue::Parse |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=4976069590122496 Fuzzer: libFuzzer_signed_exchange_envelope_fuzzer Job Type: libfuzzer_chrome_msan Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: content::SignedExchangePrologue::Parse signed_exchange_envelope_fuzzer.cc _asn1_delete_list Sanitizer: memory (MSAN) Recommended Security Severity: Medium Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=563575:563581 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4976069590122496 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Jun 1 2018
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/e2e9d0b71ded5408aaa0b469791fc1df4fcf1648 (Signed Exchange: Switch to b1 envelope format). If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
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Jun 1 2018
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Jun 2 2018
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Jun 2 2018
This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it. If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Jun 2 2018
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Jun 5 2018
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Jun 5 2018
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/44a9e657e0b629ac3518d2887c1aed9870c808e9 commit 44a9e657e0b629ac3518d2887c1aed9870c808e9 Author: Kunihiko Sakamoto <ksakamoto@chromium.org> Date: Tue Jun 05 10:04:26 2018 Fix signed_exchange_envelope_fuzzer It was using wrong constant to check input length. Bug: 849144 , 848779 Change-Id: I0408e9147922fcc3d94388709e455d9393165426 Reviewed-on: https://chromium-review.googlesource.com/1086427 Reviewed-by: Kouhei Ueno <kouhei@chromium.org> Reviewed-by: Kinuko Yasuda <kinuko@chromium.org> Commit-Queue: Kinuko Yasuda <kinuko@chromium.org> Cr-Commit-Position: refs/heads/master@{#564428} [modify] https://crrev.com/44a9e657e0b629ac3518d2887c1aed9870c808e9/content/test/fuzzer/signed_exchange_envelope_fuzzer.cc
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Jun 5 2018
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Jun 6 2018
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Jun 6 2018
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Jun 6 2018
ClusterFuzz has detected this issue as fixed in range 564425:564434. Detailed report: https://clusterfuzz.com/testcase?key=4976069590122496 Fuzzer: libFuzzer_signed_exchange_envelope_fuzzer Job Type: libfuzzer_chrome_msan Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: content::SignedExchangePrologue::Parse signed_exchange_envelope_fuzzer.cc _asn1_delete_list Sanitizer: memory (MSAN) Recommended Security Severity: Medium Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=563575:563581 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=564425:564434 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4976069590122496 See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information. If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
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Jun 6 2018
ClusterFuzz testcase 4976069590122496 is verified as fixed, so closing issue as verified. If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
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Jun 7 2018
Issue 850270 has been merged into this issue.
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Jun 7 2018
Automatically applying components based on crash stacktrace and information from OWNERS files. If this is incorrect, please apply the Test-Predator-Wrong-Components label.
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Aug 15
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Sep 12
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 ClusterFuzz
, Jun 1 2018Labels: ClusterFuzz-Auto-CC