Re: MSan failures in pack-bitmap

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Taylor Blau <me@xxxxxxxxxxxx> writes:

> Unfortunately, the regression happened in 795006fff4, so this is in a
> released version of Git. But this is all behind a configuration option,
> so affected users can reasonably work around this issue.

Can you elaborate a bit about "reasonably work around"?

I am imagining that you are saying that the user can say "do not use
bitmap, because it may be corrupted due to an earlier regression" in
some configuration, so that a corrupt bitmap data is not used to
further spread the damage, but how does a user find out that on-disc
midx is broken and a workaround needs to be employed in the first
place?  After working around the issue by avoiding to use the
corrupt on-disc data while waiting for a fixed version of Git to
come, what does the user need to do to start using the now-corrected
feature again?  Does the fixed code notice there is an existing
breakage caused by the regression and remove the broken file
automatically?

Thanks.




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