chore: cherry-pick 99c3f3bfd507 from chromium #34225
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May 16, 2022
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Only destroy successfully created compression session in VT encoder
This is a defensive change, since we don't have a repro on hand.
My guess is that VTCompressionSessionCreate() might fail to create a
compression session, but still write a value to compressionSessionOut.
It makes VTCompressionSessionInvalidate() access uninitialized memory.
That's why this CL makes sure that we only destroy a compression session
if VTCompressionSessionCreate() reports success.
Bug: 1312563
Change-Id: I468ce0e10bad251ca0b62b568607dbc5c32ba8bc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3575680
Reviewed-by: Dale Curtis dalecurtis@chromium.org
Commit-Queue: Eugene Zemtsov eugene@chromium.org
Cr-Commit-Position: refs/heads/main@{#990654}
Notes: Backported fix for chromium:1312563.