Diffusion FreeBSD src repository 628c3b307fb2

cache: only let non-dir descriptors through when doing EMPTYPATH lookups
628c3b307fb2
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Description

cache: only let non-dir descriptors through when doing EMPTYPATH lookups

Otherwise things like realpath against a file and '.' end up with an
illegal state of having a regular vnode for the parent.

Reported by: syzbot+9aa5439dd9c708aeb1a8@syzkaller.appspotmail.com

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mjg	Authored on Oct 27 2021, 6:17 PM

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rG34fb1c133c5b: Fix intra-object buffer overread for labeled msdosfs volumes

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mjg committed rG628c3b307fb2: cache: only let non-dir descriptors through when doing EMPTYPATH lookups (authored by mjg).Oct 27 2021, 6:27 PM

mjg mentioned this in rG54c0eac7c101: cache: only let non-dir descriptors through when doing EMPTYPATH lookups.Mar 5 2022, 7:57 PM

dchagin mentioned this in D35474: linux(4): Add a dedicated statat() implementation.Apr 24 2023, 5:55 PM

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sys/

kern/

rG628c3b307fb2

sys/kern/vfs_cache.c

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