Fix potential memory leak on error in LoadCRL() #8415
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Description
If ProcessFile() fails, the code does not clean up readCtx. Perform the same cleanup as after the loop to fix this.
Note: this was found by an experimental static analyser I'm developing, so it's possible that I'm missing some details as I'm not very familiar with the code.
Testing
It appears that this if condition is not hit when running
make test
, unless I miss something. So I didn't know how to test this.Checklist