2017-01-17 18:30 GMT+01:00 Xin Long <lucien.xin@xxxxxxxxx>: > On Tue, Jan 17, 2017 at 9:10 PM, Julian Cordes <julian.cordes@xxxxxxxxx> wrote: >> Somehow after calling sctp_sendmsg after calling shutdown with SHUT_WR a >> resource is not freed anymore. >> >> I can reproduce the following behaviour: >> When running for example the following test case >> https://github.com/nplab/PR_SCTP_Testsuite/blob/master/forward-tsn/sender-side-implementation/shutdown-tests/ttl-policy/shutdown-14.pkt >> on my machine, it succeeds the first time. This means that the test case >> worked as expected. But if I run the same test case >> on the same machine again then the bind-call in the test-case will fail. >> I waited longer than 30 minutes but only a reboot of the operating >> system seems to help in this case. >> >> See the following test-cases that all reproduce this issue. All call >> sctp_sendmsg after calling shutdown, therefore i suspect >> that this is the cause of the issue. > I think it's a old issue, the latest kernel has no this issue any more. > can you give it a try ? > Hi, i just ran the test-case https://github.com/nplab/PR_SCTP_Testsuite/blob/master/forward-tsn/sender-side-implementation/shutdown-tests/ttl-policy/shutdown-14.pkt on a recent archlinux kernel: $ uname -a Linux localhost 4.8.13-1-ARCH #1 SMP PREEMPT Fri Dec 9 07:24:34 CET 2016 x86_64 GNU/Linux The problem still exists. The second time i ran the test case, i got as a result: shutdown-14.pkt:78: runtime error in bind call: Expected result 0 but got -1 with errno 98 (Address already in use) >> >> Testscripts available at: >> https://github.com/nplab/PR_SCTP_Testsuite/blob/master/forward-tsn/sender-side-implementation/shutdown-tests/ttl-policy/shutdown-14.pkt >> https://github.com/nplab/PR_SCTP_Testsuite/blob/master/forward-tsn/sender-side-implementation/shutdown-tests/ttl-policy/shutdown-1.pkt >> https://github.com/nplab/PR_SCTP_Testsuite/blob/master/forward-tsn/sender-side-implementation/shutdown-tests/ttl-policy/shutdown-2.pkt >> https://github.com/nplab/PR_SCTP_Testsuite/blob/master/forward-tsn/sender-side-implementation/shutdown-received-tests/ttl-policy/shutdown-1.pkt >> https://github.com/nplab/PR_SCTP_Testsuite/blob/master/forward-tsn/sender-side-implementation/shutdown-received-tests/ttl-policy/shutdown-2.pkt -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
