1713376 - TSAN Crashtests sometimes retry infinitely

Status: NEW

(Core :: Sanitizers, defect)

Description

[Kris Wright :KrisWright]

See bug 1712866 for an instance of this in the wild.

I noticed when enabling crashtest on TSan that sometimes (seems to be when we go out of memory) the program terminates before we can get a log and the crashtests usually attempt a retry instead of crashing properly. To enable crashtests, I simply turned off the tests causing this and increased chunking until the tests became stable. I want to investigate this further and hopefully get proper logs from the tests instead of retrying until we hit an exception.

To reproduce this bug, simply turn on any of the tests I disabled in dom/canvas/crashtests.list or image/test/crashtests/crashtests.list since these were the main culprits of the issue.

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1692068

Comment 2

[Intermittent Failures Robot]

4 failures in 3375 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-esr91: 4

Platform and build breakdown:

• linux1804-64-tsan-qr: 4
  • opt: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1713376&startday=2021-09-13&endday=2021-09-19&tree=all