Activity log for bug #1814532

Date Who What changed Old value New value Message
2019-02-04 12:08:20 Mikael Hartzell bug added bug
2019-02-04 13:32:39 Sebastien Bacher bug added subscriber Ubuntu Sponsors Team
2019-02-04 13:32:40 Sebastien Bacher samba (Ubuntu): importance Undecided High
2019-02-04 13:42:13 Mikael Hartzell description There is a big memory leak bug in Samba 4.1 - 4.7.6. Depending on the circumstances all memory of the Ubuntu server will be eaten by Samba sooner or later. Then Linux Oom - killer will kill Samba which will either restart or hang. On our Ubuntu Server 14.04.5 I need to restart Samba 1 - 2 times a week. This bug probably affects also Ubuntu 18.04 if this fix has not yet been backported. This bug has been fixed upstream in Samba 4.7.7. The fix is only two lines of code and is caused by a misplaced "if" when releasing memory. This upstream commit fixes the bug: https://gitlab.com/samba-team/samba/commit/461a1172ff819692aa0a2dc5ce7fc5379c8a529e This is the Samba bug report: https://bugzilla.samba.org/show_bug.cgi?id=13372 And here the author apologizes for the bug :) https://lists.samba.org/archive/samba-technical/2018-April/126937.html Please backport this fix to Ubuntu 14.04 and 18.04, thanks :) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: samba 2:4.3.11+dfsg-0ubuntu0.14.04.19 ProcVersionSignature: Ubuntu 3.13.0-164.214-generic 3.13.11-ckt39 Uname: Linux 3.13.0-164-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.29 Architecture: amd64 BothFailedConnect: Yes Date: Mon Feb 4 11:34:06 2019 InstallationDate: Installed on 2014-09-25 (1592 days ago) InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.3) SambaServerRegression: Yes SmbConfIncluded: No SourcePackage: samba UpgradeStatus: No upgrade log present (probably fresh install) upstart.samba-ad-dc.override: manual There is a big memory leak bug in Samba 4.1 - 4.7.6. Depending on the circumstances all memory of the Ubuntu server will be eaten by Samba sooner or later. Then Linux Oom - killer will kill Samba which will either restart or hang. On our Ubuntu Server 14.04.5 I need to restart Samba 1 - 2 times a week. This bug probably affects also Ubuntu 18.04 if this fix has not yet been backported. This bug has been fixed upstream in Samba 4.7.7. The fix is only two lines of code and the bug is caused by a single misplaced "if" when releasing memory. This upstream commit fixes the bug: https://gitlab.com/samba-team/samba/commit/461a1172ff819692aa0a2dc5ce7fc5379c8a529e This is the Samba bug report: https://bugzilla.samba.org/show_bug.cgi?id=13372 And here the author apologizes for the bug :) https://lists.samba.org/archive/samba-technical/2018-April/126937.html Please backport this fix to Ubuntu 14.04 and 18.04, thanks :) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: samba 2:4.3.11+dfsg-0ubuntu0.14.04.19 ProcVersionSignature: Ubuntu 3.13.0-164.214-generic 3.13.11-ckt39 Uname: Linux 3.13.0-164-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.29 Architecture: amd64 BothFailedConnect: Yes Date: Mon Feb 4 11:34:06 2019 InstallationDate: Installed on 2014-09-25 (1592 days ago) InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.3) SambaServerRegression: Yes SmbConfIncluded: No SourcePackage: samba UpgradeStatus: No upgrade log present (probably fresh install) upstart.samba-ad-dc.override: manual
2019-02-04 14:28:01 Mikael Hartzell bug watch added https://bugzilla.samba.org/show_bug.cgi?id=13372
2019-02-04 18:05:19 Andreas Hasenack nominated for series Ubuntu Bionic
2019-02-04 18:05:19 Andreas Hasenack bug task added samba (Ubuntu Bionic)
2019-02-04 18:05:19 Andreas Hasenack nominated for series Ubuntu Cosmic
2019-02-04 18:05:19 Andreas Hasenack bug task added samba (Ubuntu Cosmic)
2019-02-04 18:07:13 Andreas Hasenack bug task deleted samba (Ubuntu Cosmic)
2019-02-04 18:08:10 Andreas Hasenack samba (Ubuntu): status New Fix Released
2019-02-04 18:12:36 Andreas Hasenack samba (Ubuntu Bionic): status New Triaged
2019-02-04 18:12:37 Andreas Hasenack samba (Ubuntu Bionic): importance Undecided High
2019-02-04 18:12:48 Andreas Hasenack bug added subscriber Ubuntu Server
2019-02-04 18:12:53 Andreas Hasenack tags amd64 apport-bug trusty amd64 apport-bug server-next trusty
2019-02-04 19:45:27 Andreas Hasenack description There is a big memory leak bug in Samba 4.1 - 4.7.6. Depending on the circumstances all memory of the Ubuntu server will be eaten by Samba sooner or later. Then Linux Oom - killer will kill Samba which will either restart or hang. On our Ubuntu Server 14.04.5 I need to restart Samba 1 - 2 times a week. This bug probably affects also Ubuntu 18.04 if this fix has not yet been backported. This bug has been fixed upstream in Samba 4.7.7. The fix is only two lines of code and the bug is caused by a single misplaced "if" when releasing memory. This upstream commit fixes the bug: https://gitlab.com/samba-team/samba/commit/461a1172ff819692aa0a2dc5ce7fc5379c8a529e This is the Samba bug report: https://bugzilla.samba.org/show_bug.cgi?id=13372 And here the author apologizes for the bug :) https://lists.samba.org/archive/samba-technical/2018-April/126937.html Please backport this fix to Ubuntu 14.04 and 18.04, thanks :) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: samba 2:4.3.11+dfsg-0ubuntu0.14.04.19 ProcVersionSignature: Ubuntu 3.13.0-164.214-generic 3.13.11-ckt39 Uname: Linux 3.13.0-164-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.29 Architecture: amd64 BothFailedConnect: Yes Date: Mon Feb 4 11:34:06 2019 InstallationDate: Installed on 2014-09-25 (1592 days ago) InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.3) SambaServerRegression: Yes SmbConfIncluded: No SourcePackage: samba UpgradeStatus: No upgrade log present (probably fresh install) upstart.samba-ad-dc.override: manual [Impact] * An explanation of the effects of the bug on users and * justification for backporting the fix to the stable release. * In addition, it is helpful, but not required, to include an explanation of how the upload fixes this bug. [Test Case] * detailed instructions how to reproduce the bug * these should allow someone who is not familiar with the affected package to reproduce the bug and verify that the updated package fixes the problem. [Regression Potential] * discussion of how regressions are most likely to manifest as a result of this change. * It is assumed that any SRU candidate patch is well-tested before upload and has a low overall risk of regression, but it's important to make the effort to think about what ''could'' happen in the event of a regression. * This both shows the SRU team that the risks have been considered, and provides guidance to testers in regression-testing the SRU. [Other Info] * Anything else you think is useful to include * Anticipate questions from users, SRU, +1 maintenance, security teams and the Technical Board * and address these questions in advance [Original Description] There is a big memory leak bug in Samba 4.1 - 4.7.6. Depending on the circumstances all memory of the Ubuntu server will be eaten by Samba sooner or later. Then Linux Oom - killer will kill Samba which will either restart or hang. On our Ubuntu Server 14.04.5 I need to restart Samba 1 - 2 times a week. This bug probably affects also Ubuntu 18.04 if this fix has not yet been backported. This bug has been fixed upstream in Samba 4.7.7. The fix is only two lines of code and the bug is caused by a single misplaced "if" when releasing memory. This upstream commit fixes the bug: https://gitlab.com/samba-team/samba/commit/461a1172ff819692aa0a2dc5ce7fc5379c8a529e This is the Samba bug report: https://bugzilla.samba.org/show_bug.cgi?id=13372 And here the author apologizes for the bug :) https://lists.samba.org/archive/samba-technical/2018-April/126937.html Please backport this fix to Ubuntu 14.04 and 18.04, thanks :) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: samba 2:4.3.11+dfsg-0ubuntu0.14.04.19 ProcVersionSignature: Ubuntu 3.13.0-164.214-generic 3.13.11-ckt39 Uname: Linux 3.13.0-164-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.29 Architecture: amd64 BothFailedConnect: Yes Date: Mon Feb 4 11:34:06 2019 InstallationDate: Installed on 2014-09-25 (1592 days ago) InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.3) SambaServerRegression: Yes SmbConfIncluded: No SourcePackage: samba UpgradeStatus: No upgrade log present (probably fresh install) upstart.samba-ad-dc.override: manual
2019-02-04 20:20:35 Andreas Hasenack description [Impact] * An explanation of the effects of the bug on users and * justification for backporting the fix to the stable release. * In addition, it is helpful, but not required, to include an explanation of how the upload fixes this bug. [Test Case] * detailed instructions how to reproduce the bug * these should allow someone who is not familiar with the affected package to reproduce the bug and verify that the updated package fixes the problem. [Regression Potential] * discussion of how regressions are most likely to manifest as a result of this change. * It is assumed that any SRU candidate patch is well-tested before upload and has a low overall risk of regression, but it's important to make the effort to think about what ''could'' happen in the event of a regression. * This both shows the SRU team that the risks have been considered, and provides guidance to testers in regression-testing the SRU. [Other Info] * Anything else you think is useful to include * Anticipate questions from users, SRU, +1 maintenance, security teams and the Technical Board * and address these questions in advance [Original Description] There is a big memory leak bug in Samba 4.1 - 4.7.6. Depending on the circumstances all memory of the Ubuntu server will be eaten by Samba sooner or later. Then Linux Oom - killer will kill Samba which will either restart or hang. On our Ubuntu Server 14.04.5 I need to restart Samba 1 - 2 times a week. This bug probably affects also Ubuntu 18.04 if this fix has not yet been backported. This bug has been fixed upstream in Samba 4.7.7. The fix is only two lines of code and the bug is caused by a single misplaced "if" when releasing memory. This upstream commit fixes the bug: https://gitlab.com/samba-team/samba/commit/461a1172ff819692aa0a2dc5ce7fc5379c8a529e This is the Samba bug report: https://bugzilla.samba.org/show_bug.cgi?id=13372 And here the author apologizes for the bug :) https://lists.samba.org/archive/samba-technical/2018-April/126937.html Please backport this fix to Ubuntu 14.04 and 18.04, thanks :) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: samba 2:4.3.11+dfsg-0ubuntu0.14.04.19 ProcVersionSignature: Ubuntu 3.13.0-164.214-generic 3.13.11-ckt39 Uname: Linux 3.13.0-164-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.29 Architecture: amd64 BothFailedConnect: Yes Date: Mon Feb 4 11:34:06 2019 InstallationDate: Installed on 2014-09-25 (1592 days ago) InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.3) SambaServerRegression: Yes SmbConfIncluded: No SourcePackage: samba UpgradeStatus: No upgrade log present (probably fresh install) upstart.samba-ad-dc.override: manual [Impact] There is a memory leak in vfswrap_getwd() that, depending on the server usage, can become severe and trigger an OOM killer. [Test Case] It's hard to come up with a test case for memory leaks, because they can take a while to manifest.   [Regression Potential] Patch is sane and has been applied upstream. It's already present in cosmic and later. The code that frees the pointer is only reached if the pointer isn't NULL. [Other Info] None at this time. [Original Description] There is a big memory leak bug in Samba 4.1 - 4.7.6. Depending on the circumstances all memory of the Ubuntu server will be eaten by Samba sooner or later. Then Linux Oom - killer will kill Samba which will either restart or hang. On our Ubuntu Server 14.04.5 I need to restart Samba 1 - 2 times a week. This bug probably affects also Ubuntu 18.04 if this fix has not yet been backported. This bug has been fixed upstream in Samba 4.7.7. The fix is only two lines of code and the bug is caused by a single misplaced "if" when releasing memory. This upstream commit fixes the bug: https://gitlab.com/samba-team/samba/commit/461a1172ff819692aa0a2dc5ce7fc5379c8a529e This is the Samba bug report: https://bugzilla.samba.org/show_bug.cgi?id=13372 And here the author apologizes for the bug :) https://lists.samba.org/archive/samba-technical/2018-April/126937.html Please backport this fix to Ubuntu 14.04 and 18.04, thanks :) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: samba 2:4.3.11+dfsg-0ubuntu0.14.04.19 ProcVersionSignature: Ubuntu 3.13.0-164.214-generic 3.13.11-ckt39 Uname: Linux 3.13.0-164-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.29 Architecture: amd64 BothFailedConnect: Yes Date: Mon Feb 4 11:34:06 2019 InstallationDate: Installed on 2014-09-25 (1592 days ago) InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.3) SambaServerRegression: Yes SmbConfIncluded: No SourcePackage: samba UpgradeStatus: No upgrade log present (probably fresh install) upstart.samba-ad-dc.override: manual
2019-02-04 20:27:26 Andreas Hasenack samba (Ubuntu Bionic): assignee Andreas Hasenack (ahasenack)
2019-02-04 20:27:28 Andreas Hasenack samba (Ubuntu Bionic): status Triaged In Progress
2019-02-04 20:29:19 Launchpad Janitor merge proposal linked https://code.launchpad.net/~ahasenack/ubuntu/+source/samba/+git/samba/+merge/362700
2019-02-27 18:17:05 Brian Murray samba (Ubuntu Bionic): status In Progress Fix Committed
2019-02-27 18:17:09 Brian Murray bug added subscriber Ubuntu Stable Release Updates Team
2019-02-27 18:17:10 Brian Murray bug added subscriber SRU Verification
2019-02-27 18:17:15 Brian Murray tags amd64 apport-bug server-next trusty amd64 apport-bug server-next trusty verification-needed verification-needed-bionic
2019-02-27 18:21:27 Brian Murray removed subscriber Ubuntu Sponsors Team
2019-03-27 14:09:19 Andreas Hasenack tags amd64 apport-bug server-next trusty verification-needed verification-needed-bionic amd64 apport-bug server-next trusty verification-done-bionic verification-needed
2019-04-01 13:44:36 Łukasz Zemczak removed subscriber Ubuntu Stable Release Updates Team
2019-04-01 13:44:35 Launchpad Janitor samba (Ubuntu Bionic): status Fix Committed Fix Released