Check that in_pcbfree() is only called once for each PCB.
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Authored by jtl on Apr 6 2018, 4:31 PM.

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imp

jch

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rrs

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rS332114: Check that in_pcbfree() is only called once for each PCB. If that

Summary

Check that in_pcbfree() is only called once for each PCB. If that assumption is violated, "bad things" could follow.

I believe such an assert would have detected some of the problems @jch was chasing in PR 203175 (see r307551). We also use it in our internal TCP development.

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rS FreeBSD src repository - subversion

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Buildable 16020
Build 15999: arc lint + arc unit

Event Timeline

jtl created this revision.Apr 6 2018, 4:31 PM

Herald added a subscriber: imp. · View Herald TranscriptApr 6 2018, 4:31 PM

Harbormaster completed remote builds in B16020: Diff 41187.Apr 6 2018, 4:31 PM

rrs accepted this revision.Apr 6 2018, 4:36 PM

This revision is now accepted and ready to land.Apr 6 2018, 4:36 PM

Closed by commit rS332114: Check that in_pcbfree() is only called once for each PCB. If that (authored by jtl). · Explain WhyApr 6 2018, 4:48 PM

This revision was automatically updated to reflect the committed changes.

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sys/

netinet/

in_pcb.c

7 lines

Diff 41187

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Check that in_pcbfree() is only called once for each PCB.ClosedPublicActions