Predator and CL did not provide any possible suspects.

using codesearch, seeing some recent changes to 'LayoutBlockFlow.cpp' in
https://chromium.googlesource.com/chromium/src/+/a02d2fd0f13c2c9182bd6faf32141d9fee1d142f
https://chromium.googlesource.com/chromium/src/+/c5bebbb612832e8d1feee0f0cf972f41283496e0

shend@, could you please check the issue and help.

I don't think it's my CL, might be quite old.

Using Code Search for the file, "LayoutFrameSet.cpp" assigning to the concern owner.
Suspecting Commit#
https://chromium.googlesource.com/chromium/src/+/c71eacb21bfaa2f7fe6580b3e17f57819142ef3e

@eae -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.

ClusterFuzz has detected this issue as fixed in range 455091:455392.

Detailed report: https://clusterfuzz.com/testcase?key=5532255876546560

Fuzzer: attekett_dom_fuzzer
Job Type: linux_asan_chrome_media
Platform Id: linux

Crash Type: Floating-point-exception
Crash Address: 
Crash State:
  blink::LayoutFrameSet::layOutAxis
  blink::LayoutFrameSet::layout
  blink::LayoutFrameSet::positionFrames
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_media&range=344607:344814
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_media&range=455091:455392

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv97P6dsd4z6Sm8JrMbUckBIqhY-KNH-7hHOuLvWXmlkt0OmzGPqaj_xT9NeCl2BcRLRvwybDryoUcyt38mVEQZ2zrAjY9RqX3l-Sscj1zextypd4CNMQ9A7VnvmyQyowfp2QbGMDf_Jk5O_JPAvtyPmVfMFDBqUhRmSMJN_gPGq2ChlxSNlCp7okGQmWk5qLbEoFYudr6IjDuNdXNtNCjs7fDxW1GrwckeY4fzPNLtVDMU1WH0se2xqlzWgD2IzI2XvUpWjIz-fsH7BEWwe7LsaH45C-sDBxRZidqTRxaeurLinZaZDWmleu1sAMxlP5Kd4vqoIlrDre65HCDYYRTyY2UuVD3tfXF2f66nVjjHjZ3Fjtjh4?testcase_id=5532255876546560


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.

Closing as per comment 4.