What's going on here? Bad repo, no error locally?

Developer B runs git fsck --full, gets no errors but one dangling blob. Does a push. No errors. Now, on the upstream repo, I run fsck, and find a bunch of danglings (as always) and a missing blob. Any fetch from that repo will fail, due to that missing blob.

What's going on? How can I fix his local repository, other than blow it away and start over, and copy his current files over and rebuild the few commits of interest?

--John

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