vfs: Add KASAN state transitions for vnodes
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Authored by markj on Mar 27 2021, 11:29 PM.

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Commits: rGb261bb4057f4: vfs: Add KASAN state transitions for vnodes

Summary

vnodes are a bit special in that they may exist on per-CPU lists even
while free. Add a KASAN-only destructor that poisons regions of each
vnode that are not expected to be accessed after a free.

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rG FreeBSD src repository

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Event Timeline

markj created this revision.Mar 27 2021, 11:29 PM

Herald added a subscriber: imp. · View Herald TranscriptMar 27 2021, 11:29 PM

markj requested review of this revision.Mar 27 2021, 11:29 PM

Harbormaster completed remote builds in B38130: Diff 86416.Mar 27 2021, 11:29 PM

markj added a parent revision: D29458: kmem: Add KASAN state transitions.Mar 27 2021, 11:29 PM

markj added a child revision: D29460: execve: Mark exec argument buffers.

emaste added a subscriber: emaste.Mar 28 2021, 6:00 PM

This revision was not accepted when it landed; it landed in state Needs Review.Apr 13 2021, 9:43 PM

Closed by commit rGb261bb4057f4: vfs: Add KASAN state transitions for vnodes (authored by markj). · Explain Why

This revision was automatically updated to reflect the committed changes.

markj added a commit: rGb261bb4057f4: vfs: Add KASAN state transitions for vnodes.

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sys/

kern/

vfs_subr.c

66 lines

Diff 87408

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vfs: Add KASAN state transitions for vnodesClosedPublicActions