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

Hi Brian,

Assigning this security bug to you due to your recent CLs changing gpu/text.

Thanks!

ClusterFuzz has detected this issue as fixed in range 441240:441358.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6522841920176128

Fuzzer: lcamtuf_cross_fuzz
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Heap-buffer-overflow READ 4
Crash Address: 0x6110003bcf0c
Crash State:
  GrTextUtils::DrawBmpPosText
  GrAtlasTextContext::RegenerateTextBlob
  GrAtlasTextContext::drawTextBlob
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_chrome&range=438498:440663
Fixed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_chrome&range=441240:441358

Minimized Testcase (19.55 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96E69SBVyf8OJMC921SdBxgsk1FYvNnNRW93Yp4wCgUwHSD_Itr-PCSVb71gDycFMFzZPnJv7vyfl9mw8mM6bbpB-whzbDrHbyvxwEQ-8OKWdonUTz9ra6it6xo5VBca_zGS1ahP-5CoBe451x-B7HWpA_kvv-_ZCDwn0vsrDEPEBGAq8M?testcase_id=6522841920176128

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.

ClusterFuzz testcase 6522841920176128 is verified as fixed, so closing issue.

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