mmoroz: Just an FYI, MSan potentially reports use-after-frees as uninitialized reads. If you check the creation stack in this case, you'll see:

Uninitialized value was created by a heap deallocation
    #0 0x7fb5d66d97b2 in __interceptor_free

ClusterFuzz has detected this issue as fixed in range 388178:388349.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4682607396126720

Fuzzer: attekett_dom_fuzzer
Job Type: linux_msan_chrome
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  blink::LayoutBox::addOverflowFromChild
  blink::LayoutTableSection::computeOverflowFromCells
  blink::LayoutTableSection::recalcChildOverflowAfterStyleChange
  
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_msan_chrome&range=388178:388349

Minimized Testcase (0.59 Kb): https://cluster-fuzz.appspot.com/download/AMIfv9633ZP7_0Rrr5Bv8bkrPgvBHifjr_1pTCqYznB0nIrPSYSNLhMPB7-Ag_RTRNlsUiPplHzAO7-6F5ExndvymicgB9Mkv7SxL0WWwQk41HDKiq0jYx6p0hCVAV-UlcLYEQYK2yvNbThc3mXDKkfqjDz5FKnolw

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

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

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