VM mozilla application crash feedback data

Thunderbird
[GFX1-]: Replay failure: Magic
ExceptionHandler::GenerateDump cloned child 1752
ExceptionHandler::SendContinueSignalToChild sent continue signal to child
ExceptionHandler::WaitForContinueSignal waiting for continue signal...
Exiting due to channel error.

Firefox
[GFX1-]: glxtest: VA-API test failed: failed to initialise VAAPI connection.
ATTENTION: default value of option mesa_glthread overridden by environment.
...
ExceptionHandler::GenerateDump cloned child 4934
ExceptionHandler::SendContinueSignalToChild sent continue signal to child
ExceptionHandler::WaitForContinueSignal waiting for continue signal...
Exiting due to channel error.

Firefox talkback crash window (various messages)
MozCrashReason: assertion failed: mem::size_of::<T>() <= slice.len()
MozCrashReason: slice index starts at 15741546242737686666 but ends at 15237603899261582618
MozCrashReason: index out of bounds: the len is 48 but the index is 3857049061