This crash occurs very frequently on linux, mac and windows platforms and is likely preventing the fuzzer bj_broddelwerk from making much progress. Fixing this will allow more bugs to be found.

Marking this bug as a blocker for next Beta release.

If this is incorrect, please add ClusterFuzz-Wrong label and remove the ReleaseBlock-Beta label.

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/+/1324be868df000cb2e070199ce2d10cd0c5a2706 (Make NextWordPosition() to utilize TextOffsetMapping).

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.

Friendly ping to get an update on this issue as it is marked as beta blocker.
Thanks..!

http://crrev.com/c/1018923 should fix this issue.

ClusterFuzz has detected this issue as fixed in range 557408:557410.

Detailed report: https://clusterfuzz.com/testcase?key=5109337547341824

Fuzzer: bj_broddelwerk
Job Type: linux_asan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
  blink::TextOffsetMapping::ComputeContainigBlock
  blink::NextWordPosition
  blink::NextWordPosition
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_mp&range=550102:550107
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_mp&range=557408:557410

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5109337547341824

See https://github.com/google/clusterfuzz-tools 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 5109337547341824 is verified as fixed, so closing issue as verified.

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