On Wed, Jan 18, 2017 at 1:38 AM, Julian Cordes <julian.cordes@xxxxxxxxx> wrote: > 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) > I meant upstream latest kernel: git clone git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git it's already v4.10-rc3 you may need to rebuild. :) >>> >>> 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
