lockf: Truncate the active lock list earlier in lf_purgelocks()
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Authored by markj on Thu, Sep 17, 5:26 PM.

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imp

olce

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kib

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rGe20ed58d265c: lockf: Truncate the active lock list earlier in lf_purgelocks()

Summary

Otherwise vfs_report_lockf() can race with lf_purgelocks() while the
latter is freeing active lock entries without any locks held.

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rG FreeBSD src repository

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Event Timeline

markj created this revision.Thu, Sep 17, 5:26 PM

Herald added subscribers: olce, imp. · View Herald TranscriptThu, Sep 17, 5:26 PM

markj requested review of this revision.Thu, Sep 17, 5:26 PM

Harbormaster completed remote builds in B77029: Diff 186980.Thu, Sep 17, 5:26 PM

kib accepted this revision.Fri, Sep 18, 6:54 AM

This revision is now accepted and ready to land.Fri, Sep 18, 6:54 AM

Closed by commit rGe20ed58d265c: lockf: Truncate the active lock list earlier in lf_purgelocks() (authored by markj). · Explain WhyMon, Sep 21, 2:24 PM

This revision was automatically updated to reflect the committed changes.

markj added a commit: rGe20ed58d265c: lockf: Truncate the active lock list earlier in lf_purgelocks().

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sys/

kern/

kern_lockf.c

15 lines

Diff 187331

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lockf: Truncate the active lock list earlier in lf_purgelocks()ClosedPublicActions