Do not return out of bound pointers from intr_lookup_source().
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Authored by kib on Feb 22 2018, 12:12 PM.

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imp

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jhb
gallatin
• hselasky

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rS329864: Do not return out of bound pointers from intr_lookup_source().

Summary

This hardens the code against driver and upper level bugs causing invalid indexes used, e.g. on release.

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Repository

rS FreeBSD src repository - subversion

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Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

kib created this revision.Feb 22 2018, 12:12 PM

Herald added a subscriber: imp. · View Herald TranscriptFeb 22 2018, 12:12 PM

Looks good.

This revision is now accepted and ready to land.Feb 22 2018, 12:32 PM

gallatin accepted this revision.Feb 22 2018, 2:01 PM

Closed by commit rS329864: Do not return out of bound pointers from intr_lookup_source(). (authored by kib). · Explain WhyFeb 23 2018, 11:21 AM

This revision was automatically updated to reflect the committed changes.

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Path

Size

head/

sys/

x86/

intr_machdep.c

2 lines

Diff 39642

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head/sys/x86/x86/intr_machdep.c

Do not return out of bound pointers from intr_lookup_source().ClosedPublicActions