Differential D19251

Impose a limit on GEOM_CTL argument lists.
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Authored by markj on Feb 19 2019, 7:27 PM.

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rS344305: Impose a limit on the number of GEOM_CTL arguments.

Summary

A privileged user can otherwise play games by triggering a large memory
allocation or an overflow. Return an error if the user specified more
than 2048 arguments.

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Build Status

Buildable 22582
Build 21712: arc lint + arc unit

Event Timeline

markj created this revision.Feb 19 2019, 7:27 PM

Harbormaster completed remote builds in B22582: Diff 54083.Feb 19 2019, 7:28 PM

markj added a reviewer: ae.Feb 19 2019, 7:28 PM

Looks reasonable.

This revision is now accepted and ready to land.Feb 19 2019, 7:56 PM

Closed by commit rS344305: Impose a limit on the number of GEOM_CTL arguments. (authored by markj). · Explain WhyFeb 19 2019, 9:22 PM

This revision was automatically updated to reflect the committed changes.

Herald added a subscriber: imp. · View Herald TranscriptFeb 19 2019, 9:22 PM

Revision Contents
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Path

Size

sys/

geom/

geom_ctl.c

6 lines

Diff 54083

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Impose a limit on GEOM_CTL argument lists.ClosedPublicActions