Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.

Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/845bbd0ebcd973c78eebaa9109ba781f47b51ba3 (base_json_reader_fuzzer: Sanitizer-poison memory around the input buffer.).

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.

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

Note that this will be closed by https://chromium.googlesource.com/chromium/src/+/ab61a76223b2b14b4e3b348dae07e727be3cc2c7 and we need to wait on new repros to show up and file new bugs.

ClusterFuzz has detected this issue as fixed in range 542612:542636.

Detailed report: https://clusterfuzz.com/testcase?key=5907032990023680

Fuzzer: libFuzzer_base_json_reader_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  base::BaseCharToDigit<char, 16, false>::Convert
  base::IteratorRangeToNumber<base::BaseHexIteratorRangeToIntTraits<char const*> >
  base::IteratorRangeToNumber<base::BaseHexIteratorRangeToIntTraits<char const*> >
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=541219:541239
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=542612:542636

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5907032990023680

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.

ClusterFuzz testcase 5907032990023680 is verified as fixed, so closing issue as verified.

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

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