Page MenuHomeFreeBSD

Fix a racy VI_DOOMED check in MNT_VNODE_FOREACH_ALL()
ClosedPublic

Authored by markj on Oct 17 2017, 5:51 PM.
Tags
None
Referenced Files
Unknown Object (File)
Wed, Apr 22, 6:28 PM
Unknown Object (File)
Tue, Apr 21, 8:19 PM
Unknown Object (File)
Mon, Apr 20, 7:50 PM
Unknown Object (File)
Mon, Apr 20, 12:54 AM
Unknown Object (File)
Sat, Apr 18, 4:45 AM
Unknown Object (File)
Fri, Apr 17, 2:29 AM
Unknown Object (File)
Sat, Apr 4, 10:22 AM
Unknown Object (File)
Fri, Apr 3, 10:37 PM
Subscribers
None

Details

Summary

MNT_VNODE_FOREACH_ALL() is supposed to avoid returning doomed vnodes,
but the VI_DOOMED check it uses is done without the vnode interlock
held.

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Lint Not Applicable
Unit
Tests Not Applicable