chore: cherry-pick 2cd0af7ea205 from chromium #23015
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electron-cation
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Skipping most CI as minimal changes since last green. |
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Use WeakPtr for cross-thread posting
{IIR,Biquad}FilterNodes check the state of the filter and notify the
main thread when it goes bad. In this process, the associated context
can be collected when a posted task is performed sometime later
in the task runner's queue.
By using WeakPtr, the task runner will not perform a scheduled task
in the queue when the target object is invalid anymore.
Test: Locally confirmed that the repro case does not crash after 30 min.
Bug: 1055788
Change-Id: Icdb3a7378d0345936b5b50e12ec2b187e58a611c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2074807
Commit-Queue: Hongchan Choi hongchan@chromium.org
Reviewed-by: Raymond Toy rtoy@chromium.org
Reviewed-by: Kentaro Hara haraken@chromium.org
Cr-Commit-Position: refs/heads/master@{#744936}
Notes: Security: backported fix for CVE-2020-6427: Use after free in audio.