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.

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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