Correct a kernel stack leak in 32-bit compat when vfc_name is short.
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Authored by brooks on Mar 31 2017, 9:30 PM.

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Reviewers

rwatson
glebius
delphij

Group Reviewers

secteam

Commits

rS316497: Correct a kernel stack leak in 32-bit compat when vfc_name is short.

Summary

Don't zero unused pointer members again.

Per discussion with secteam we are not issuing an advisory for this
issue as we have no current evidence it leaks exploitable information.

Diff Detail

Repository

rS FreeBSD src repository - subversion

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

brooks created this revision.Mar 31 2017, 9:30 PM

Harbormaster completed remote builds in B8427: Diff 26896.Mar 31 2017, 9:30 PM

brooks added a reviewer: secteam.Mar 31 2017, 9:31 PM

Seems sensible.

This revision is now accepted and ready to land.Mar 31 2017, 9:37 PM

glebius accepted this revision.Apr 4 2017, 2:27 PM

delphij accepted this revision.Apr 4 2017, 5:05 PM

Closed by commit rS316497: Correct a kernel stack leak in 32-bit compat when vfc_name is short. (authored by brooks). · Explain WhyApr 4 2017, 5:32 PM

This revision was automatically updated to reflect the committed changes.

Revision Contents
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Path

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head/

sys/

kern/

vfs_subr.c

3 lines

Diff 27045

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Correct a kernel stack leak in 32-bit compat when vfc_name is short.ClosedPublicActions