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msdosfs: do no allow lookup to return vdp except for dot lookups

Description

msdosfs: do no allow lookup to return vdp except for dot lookups

In collaboaration with: pho
Reviewed by: markj, mckusick
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D33721

Details

Provenance
kibAuthored on Dec 26 2021, 9:51 PM
Reviewer
markj
Differential Revision
D33721: Improve msdosfs robustness
Parents
rG1319c433f4e5: msdosfs: handle a case when non-dot lookup returned dvp
Branches
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Tags
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