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author | Michael Tuexen <tuexen@FreeBSD.org> | 2020-03-25 15:29:01 +0000 |
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committer | Michael Tuexen <tuexen@FreeBSD.org> | 2020-03-25 15:29:01 +0000 |
commit | 24187cfe72a2d16140422f9babc32d21af4e91b3 (patch) | |
tree | 57f63fb648e9439cafc9c65fb6146895e21d4c6b /cddl | |
parent | 23e3c0880d80ea2a2e547b34b03f985bab8e3639 (diff) | |
download | src-24187cfe72a2d16140422f9babc32d21af4e91b3.tar.gz src-24187cfe72a2d16140422f9babc32d21af4e91b3.zip |
This introduces a regression reported by koobs@ when running a pyhton
test suite on a loaded system.
This patch resulted in a failing accept() call, when the association
was setup and gracefully shutdown by the peer before accept was called.
So the following packetdrill script would fail:
+0.0 socket(..., SOCK_STREAM, IPPROTO_SCTP) = 3
+0.0 bind(3, ..., ...) = 0
+0.0 listen(3, 1) = 0
+0.0 < sctp: INIT[flgs=0, tag=1, a_rwnd=15000, os=1, is=1, tsn=1]
+0.0 > sctp: INIT_ACK[flgs=0, tag=2, a_rwnd=..., os=..., is=..., tsn=1, ...]
+0.1 < sctp: COOKIE_ECHO[flgs=0, len=..., val=...]
+0.0 > sctp: COOKIE_ACK[flgs=0]
+0.0 < sctp: DATA[flgs=BE, len=116, tsn=1, sid=0, ssn=0, ppid=0]
+0.0 > sctp: SACK[flgs=0, cum_tsn=1, a_rwnd=..., gaps=[], dups=[]]
+0.0 < sctp: SHUTDOWN[flgs=0, cum_tsn=0]
+0.0 > sctp: SHUTDOWN_ACK[flgs=0]
+0.0 < sctp: SHUTDOWN_COMPLETE[flgs=0]
+0.0 accept(3, ..., ...) = 4
+0.0 close(3) = 0
+0.0 recv(4, ..., 4096, 0) = 100
+0.0 recv(4, ..., 4096, 0) = 0
+0.0 close(4) = 0
Reported by: koops@
Notes
Notes:
svn path=/head/; revision=359302
Diffstat (limited to 'cddl')
0 files changed, 0 insertions, 0 deletions