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Download/kernel/rhel6-testing/042stab080.3/changes - Revision history
2026-06-13T20:04:07Z
Revision history for this page on the wiki
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https://wiki.openvz.org/index.php?title=Download/kernel/rhel6-testing/042stab080.3/changes&diff=13990&oldid=prev
Kir: explain rtnl_lock release lost fix
2013-07-12T00:19:52Z
<p>explain rtnl_lock release lost fix</p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 00:19, 12 July 2013</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l7" >Line 7:</td>
<td colspan="2" class="diff-lineno">Line 7:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [net] fix freeing RCU-protected IP-options (same fix as in 042stab078.27; CVE-2013-2224, {{B|2648}})</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [net] fix freeing RCU-protected IP-options (same fix as in 042stab078.27; CVE-2013-2224, {{B|2648}})</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [relay] consequent execution of blktrace failure has been fixed (PSBM-20247)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [relay] consequent execution of blktrace failure has been fixed (PSBM-20247)</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [net] rtnl_lock release lost on error path (PSBM-21008)</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [net] rtnl_lock release lost on error path (<ins class="diffchange diffchange-inline">same fix as in 042stab078.28; </ins>PSBM-21008)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [ubc/net] tcpsndbuf race between poll and send cause caused counters skew and taints kernel on bc release attempt (PCLIN-31931)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [ubc/net] tcpsndbuf race between poll and send cause caused counters skew and taints kernel on bc release attempt (PCLIN-31931)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [stat] replaces global counters with per-cpu structures to avoid kstat_glb_lock congestion => performance increases</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [stat] replaces global counters with per-cpu structures to avoid kstat_glb_lock congestion => performance increases</div></td></tr>
<!-- diff cache key openvzwikidb:diff::1.12:old-13989:rev-13990 -->
</table>
Kir
https://wiki.openvz.org/index.php?title=Download/kernel/rhel6-testing/042stab080.3/changes&diff=13989&oldid=prev
Kir: doesn't matter if it's vzfs or not
2013-07-12T00:17:44Z
<p>doesn't matter if it's vzfs or not</p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 00:17, 12 July 2013</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l13" >Line 13:</td>
<td colspan="2" class="diff-lineno">Line 13:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [vedev] if devices is removed from CT, it's sysfs part should be removed too (PSBM-19097)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [vedev] if devices is removed from CT, it's sysfs part should be removed too (PSBM-19097)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [pfcache] do not crash and do not fail mounting new filesystems if cache are not found (PSBM-19581)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [pfcache] do not crash and do not fail mounting new filesystems if cache are not found (PSBM-19581)</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [nfs/quota] NFS local quota (vzquota in case /vz <del class="diffchange diffchange-inline">(vzfs) </del>over NFS) significantly reworked => no more crashes / stats skews are expected (PCLIN-31747)</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [nfs/quota] NFS local quota (vzquota in case /vz over NFS) significantly reworked => no more crashes / stats skews are expected (PCLIN-31747)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [ploop] kaio must merge bios for aio_kernel_submit => should avoid problem with massive 4k FUSE requests (PSBM-19207)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [ploop] kaio must merge bios for aio_kernel_submit => should avoid problem with massive 4k FUSE requests (PSBM-19207)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [sysctl] add global sysctl 'fs.ve-mount-nr' (4096 by default) to customize per-CT limit for mount points</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [sysctl] add global sysctl 'fs.ve-mount-nr' (4096 by default) to customize per-CT limit for mount points</div></td></tr>
</table>
Kir
https://wiki.openvz.org/index.php?title=Download/kernel/rhel6-testing/042stab080.3/changes&diff=13988&oldid=prev
Kir: further explain the CVE
2013-07-12T00:17:23Z
<p>further explain the CVE</p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 00:17, 12 July 2013</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l5" >Line 5:</td>
<td colspan="2" class="diff-lineno">Line 5:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [x86] ARAT feature bit to be set on AMD CPUs: performance boost on AMD Opteron 62xx-based systems</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [x86] ARAT feature bit to be set on AMD CPUs: performance boost on AMD Opteron 62xx-based systems</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [nfsd] return ext4 file system superblock time granularity on FSINFO request => performance boost because inodes are not revalidated most of time (PCLIN-31863)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [nfsd] return ext4 file system superblock time granularity on FSINFO request => performance boost because inodes are not revalidated most of time (PCLIN-31863)</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [net] <del class="diffchange diffchange-inline">CVE-2013-2224: Local DoS exploit in latest 2.6.32 kernels (RHEL, OpenVZ, CloudLinux, etc); </del>fix freeing RCU-protected IP-options (same fix as in 042stab078.27; <del class="diffchange diffchange-inline">PSBM</del>-<del class="diffchange diffchange-inline">20912</del>, {{B|2648}})</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [net] fix freeing RCU-protected IP-options (same fix as in 042stab078.27; <ins class="diffchange diffchange-inline">CVE</ins>-<ins class="diffchange diffchange-inline">2013-2224</ins>, {{B|2648}})</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [relay] consequent execution of blktrace failure has been fixed (PSBM-20247)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [relay] consequent execution of blktrace failure has been fixed (PSBM-20247)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [net] rtnl_lock release lost on error path (PSBM-21008)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [net] rtnl_lock release lost on error path (PSBM-21008)</div></td></tr>
</table>
Kir
https://wiki.openvz.org/index.php?title=Download/kernel/rhel6-testing/042stab080.3/changes&diff=13987&oldid=prev
Kir: explain CVE-2013-2224
2013-07-12T00:16:37Z
<p>explain CVE-2013-2224</p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 00:16, 12 July 2013</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l5" >Line 5:</td>
<td colspan="2" class="diff-lineno">Line 5:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [x86] ARAT feature bit to be set on AMD CPUs: performance boost on AMD Opteron 62xx-based systems</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [x86] ARAT feature bit to be set on AMD CPUs: performance boost on AMD Opteron 62xx-based systems</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [nfsd] return ext4 file system superblock time granularity on FSINFO request => performance boost because inodes are not revalidated most of time (PCLIN-31863)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [nfsd] return ext4 file system superblock time granularity on FSINFO request => performance boost because inodes are not revalidated most of time (PCLIN-31863)</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [net] CVE-2013-2224: Local DoS exploit in latest 2.6.32 kernels (RHEL, OpenVZ, CloudLinux, etc); fix freeing RCU-protected IP-options (PSBM-20912, {{B|2648}})</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [net] CVE-2013-2224: Local DoS exploit in latest 2.6.32 kernels (RHEL, OpenVZ, CloudLinux, etc); fix freeing RCU-protected IP-options (<ins class="diffchange diffchange-inline">same fix as in 042stab078.27; </ins>PSBM-20912, {{B|2648}})</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [relay] consequent execution of blktrace failure has been fixed (PSBM-20247)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [relay] consequent execution of blktrace failure has been fixed (PSBM-20247)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [net] rtnl_lock release lost on error path (PSBM-21008)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [net] rtnl_lock release lost on error path (PSBM-21008)</div></td></tr>
</table>
Kir
https://wiki.openvz.org/index.php?title=Download/kernel/rhel6-testing/042stab080.3/changes&diff=13986&oldid=prev
Kir: created
2013-07-12T00:14:53Z
<p>created</p>
<p><b>New page</b></p><div>== Changes ==<br />
Since {{kernel link|rhel6-testing|042stab080.2}}:<br />
<!-- 042stab080.3 --><br />
* [gcc] compilation with gcc 4.5 fixed<br />
* [x86] ARAT feature bit to be set on AMD CPUs: performance boost on AMD Opteron 62xx-based systems<br />
* [nfsd] return ext4 file system superblock time granularity on FSINFO request => performance boost because inodes are not revalidated most of time (PCLIN-31863)<br />
* [net] CVE-2013-2224: Local DoS exploit in latest 2.6.32 kernels (RHEL, OpenVZ, CloudLinux, etc); fix freeing RCU-protected IP-options (PSBM-20912, {{B|2648}})<br />
* [relay] consequent execution of blktrace failure has been fixed (PSBM-20247)<br />
* [net] rtnl_lock release lost on error path (PSBM-21008)<br />
* [ubc/net] tcpsndbuf race between poll and send cause caused counters skew and taints kernel on bc release attempt (PCLIN-31931)<br />
* [stat] replaces global counters with per-cpu structures to avoid kstat_glb_lock congestion => performance increases<br />
* [cgroups] allow to restrict CT permissions for devices inside a CT (PSBM-19097)<br />
* [vedev] if devices is removed from CT, it's sysfs part should be removed too (PSBM-19097)<br />
* [pfcache] do not crash and do not fail mounting new filesystems if cache are not found (PSBM-19581)<br />
* [nfs/quota] NFS local quota (vzquota in case /vz (vzfs) over NFS) significantly reworked => no more crashes / stats skews are expected (PCLIN-31747)<br />
* [ploop] kaio must merge bios for aio_kernel_submit => should avoid problem with massive 4k FUSE requests (PSBM-19207)<br />
* [sysctl] add global sysctl 'fs.ve-mount-nr' (4096 by default) to customize per-CT limit for mount points</div>
Kir