Handle stack switch while processing stack specific socket options
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Authored by tuexen on May 21 2021, 10:49 PM.

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melifaro

Details

Reviewers

rrs
rscheff
markj
tuexen

Group Reviewers

transport

Commits

rG6264ff9bd9f0: tcp: Handle stack switch while processing socket options
rG8923ce630492: tcp: Handle stack switch while processing socket options

Summary

Don't proceed with stack specific socket option handling if the stack was changed in between.

This fixes syzkaller issue.

Diff Detail

Repository

rG FreeBSD src repository

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Event Timeline

tuexen created this revision.May 21 2021, 10:49 PM

Herald added a reviewer: transport. · View Herald TranscriptMay 21 2021, 10:49 PM

Herald added a subscriber: melifaro. · View Herald Transcript

tuexen requested review of this revision.May 21 2021, 10:49 PM

markj accepted this revision.May 22 2021, 2:44 AM

Committed in https://cgit.FreeBSD.org/src/commit/?id=500eb6dd80404ea512e31a8f795c73cb802c9c64.

This revision is now accepted and ready to land.May 24 2021, 7:50 PM

tuexen closed this revision.May 24 2021, 7:50 PM

tuexen added a commit: rG8923ce630492: tcp: Handle stack switch while processing socket options.Jun 24 2021, 4:22 AM

tuexen added a commit: rG6264ff9bd9f0: tcp: Handle stack switch while processing socket options.Aug 29 2021, 11:55 PM

Revision Contents
Changeset List

Path

Size

sys/

netinet/

tcp_stacks/

bbr.c

62 lines

rack.c

60 lines

Diff 89640

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sys/netinet/tcp_stacks/bbr.c