Do not allow to use O_BENEATH as an oracle.
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Authored by kib on Oct 6 2020, 3:48 PM.

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rS366549: Do not allow to use O_BENEATH as an oracle.

Summary

Specifically, if lookup() returned any error and the topping directory was not latched, give ENOTCAPABLE a priority over the lookup() error.

PR: 249960

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Repository

rS FreeBSD src repository - subversion

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Buildable 34019

Event Timeline

kib created this revision.Oct 6 2020, 3:48 PM

Herald added a subscriber: imp. · View Herald TranscriptOct 6 2020, 3:48 PM

kib requested review of this revision.Oct 6 2020, 3:48 PM

Harbormaster completed remote builds in B34019: Diff 77943.Oct 6 2020, 3:48 PM

emaste added inline comments.Oct 6 2020, 4:12 PM

sys/kern/vfs_lookup.c
600	extra line?

Empty comment line.

Harbormaster completed remote builds in B34020: Diff 77944.Oct 6 2020, 4:24 PM

ngie accepted this revision.Oct 6 2020, 7:16 PM

This revision is now accepted and ready to land.Oct 6 2020, 7:16 PM

emaste accepted this revision.Oct 8 2020, 6:03 PM

Closed by commit rS366549: Do not allow to use O_BENEATH as an oracle. (authored by kib). · Explain WhyOct 8 2020, 10:31 PM

This revision was automatically updated to reflect the committed changes.

kib added a commit: rS366549: Do not allow to use O_BENEATH as an oracle..

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sys/

kern/

vfs_lookup.c

12 lines

Diff 77943

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Do not allow to use O_BENEATH as an oracle.ClosedPublicActions