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Differential D14843

Clamp IFLIB_RX_COPY_THRESH to MHLEN in iflib_rxd_pkt_get()
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Authored by markj on Mar 25 2018, 2:59 PM.
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kmacy
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rS331538: Clamp IFLIB_RX_COPY_THRESH to MHLEN in iflib_rxd_pkt_get().
Summary

If one has modified the layout of struct mbuf such that MHLEN is smaller
than the threshold, this function will cause memory corruption.

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Buildable 15792
Build 15803: arc lint + arc unit

Event Timeline

markj created this revision.Mar 25 2018, 2:59 PM
Herald added a reviewer: shurd. · View Herald TranscriptMar 25 2018, 2:59 PM
Herald added a subscriber: ae. · View Herald Transcript
Harbormaster completed remote builds in B15792: Diff 40726.Mar 25 2018, 2:59 PM
markj added a reviewer: kmacy.Mar 25 2018, 2:59 PM
This revision was not accepted when it landed; it landed in state Needs Review.Mar 25 2018, 11:23 PM
Closed by commit rS331538: Clamp IFLIB_RX_COPY_THRESH to MHLEN in iflib_rxd_pkt_get(). (authored by markj). · Explain Why
This revision was automatically updated to reflect the committed changes.
Herald added a subscriber: imp. · View Herald TranscriptMar 25 2018, 11:23 PM

Revision Contents
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sys/
net/
2 lines

Diff 40726

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sys/net/iflib.c

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