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

Herb has been working on some SkArenaAlloc fixes that may also address this (?)

ClusterFuzz has detected this issue as fixed in range 445914:445971.

Detailed report: https://clusterfuzz.com/testcase?key=6177669772476416

Fuzzer: miaubiz_css_fuzzer
Job Type: windows_asan_chrome_no_sandbox
Platform Id: windows

Crash Type: UNKNOWN
Crash Address: 0x14b0180c
Crash State:
  GetCombinedHistogramEntropy
  SkGlyphCache::~SkGlyphCache
  SkGlyphCache_Globals::internalPurge
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=445853:445914
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=445914:445971

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv94y0zh9HJIc19EuRdhuLjYE2XO1kE5oZU5IsybrPoGA5DHSPQwhXMjoHJiq3tM8g75BdvEIfMvH2m_94SLQH-ZeNiInAVv81Rd8IrwupF6wvzPPsjIB-CTHmjS2s39myVOaObgQlT8Of7AhzBFbggaaj0ShZg_H2F2EnkJZ4iYdeiSsC_F2hC0WXtYTTQrFtx_aP9BYqy0_dRPQ573ANZ5r6etMBa2c9RLkdUC8GZU8TOg1fhD2Ak5af1eii1eK_W0Zhzpl6xd5-eFVTNDPMhBnARZo9Vbq-6UAUigplEgp7Pio07hzlfIky9Fo6rLrPgPhnav_XoEU8esPKFlcfyAImOUI9hVB4iDm0BEb-8zVZ1oLPik?testcase_id=6177669772476416


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

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

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