Enter epoch before sending ACK in BBR
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Authored by tuexen on May 4 2020, 8:40 PM.

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imp

melifaro

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Reviewers

rrs
rscheff

Group Reviewers

transport

Commits

rS360641: Enter the net epoch before calling the output routine in TCP BBR.

Summary

When the user sets the IPPROTO_TCP level socket option TCP_DELACK, an ACK is sent. Enter the epoch before calling the output routine.

This issues was found by running SYZKALLER.

Diff Detail

Repository

rS FreeBSD src repository - subversion

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Build Status

Buildable 30900

Event Timeline

tuexen created this revision.May 4 2020, 8:40 PM

Herald added a reviewer: transport. · View Herald TranscriptMay 4 2020, 8:40 PM

Herald added subscribers: melifaro, imp. · View Herald Transcript

tuexen requested review of this revision.May 4 2020, 8:40 PM

Harbormaster completed remote builds in B30900: Diff 71382.May 4 2020, 8:40 PM

rrs accepted this revision.May 4 2020, 9:55 PM

This revision is now accepted and ready to land.May 4 2020, 9:55 PM

Closed by commit rS360641: Enter the net epoch before calling the output routine in TCP BBR. (authored by tuexen). · Explain WhyMay 4 2020, 10:03 PM

This revision was automatically updated to reflect the committed changes.

tuexen added a commit: rS360641: Enter the net epoch before calling the output routine in TCP BBR..

Revision Contents
Changeset List

Path

Size

sys/

netinet/

tcp_stacks/

bbr.c

3 lines

Diff 71382

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sys/netinet/tcp_stacks/bbr.c

Enter epoch before sending ACK in BBRClosedPublicActions