https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-14448 Lustre <p>MDS crashed with following call trace. </p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>[7329320.534103] BUG: unable to handle kernel paging request at ffffffff00000000 [7329320.536059] IP: [&lt;ffffffff9e38bc30&gt;] strlen+0x0/0x30 [7329320.539170] Oops: 0000 [#1] SMP [7329320.562981] CPU: 17 PID: 26305 Comm: mdt08_003 3.10.0-1062.18.1.el7_lustre.ddn4.x86_64 #1 [7329320.568909] task: ffff8b18afa51070 ti: ffff8b185ec8c000 task.ti: ffff8b185ec8c000 [7329320.570845] RIP: 0010:[&lt;ffffffff9e38bc30&gt;] [&lt;ffffffff9e38bc30&gt;] strlen+0x0/0x30 [7329320.594786] Call Trace: [7329320.601593] [&lt;ffffffffc17a99d6&gt;] lod_ah_init+0x326/0x1010 [lod] [7329320.603380] [&lt;ffffffffc182f118&gt;] mdd_object_make_hint+0x1c8/0x2c0 [mdd] [7329320.607001] [&lt;ffffffffc1818ea0&gt;] mdd_create+0x790/0x14a0 [mdd] [7329320.608632] [&lt;ffffffffc16a5bad&gt;] mdt_create+0xc6d/0x1300 [mdt] [7329320.612190] [&lt;ffffffffc16a63ab&gt;] mdt_reint_create+0x16b/0x360 [mdt] [7329320.613825] [&lt;ffffffffc16a90c3&gt;] mdt_reint_rec+0x83/0x210 [mdt] [7329320.615513] [&lt;ffffffffc1685303&gt;] mdt_reint_internal+0x6e3/0xaf0 [mdt] [7329320.617373] [&lt;ffffffffc1691007&gt;] mdt_reint+0x67/0x140 [mdt] [7329320.619028] [&lt;ffffffffc100fe0a&gt;] tgt_request_handle+0xada/0x1570 [ptlrpc] [7329320.624423] [&lt;ffffffffc0fb27cb&gt;] ptlrpc_server_handle_request+0x24b/0xab0 [ptlrpc] [7329320.629393] [&lt;ffffffffc0fb6134&gt;] ptlrpc_main+0xb34/0x1470 [ptlrpc] [7329320.634284] [&lt;ffffffff9e0c6321&gt;] kthread+0xd1/0xe0 </pre> </div></div> LU-14448

lod_get_default_lov_striping() may crash for uninitialized .llc_pool

Bug Minor Resolved Fixed Lai Siyao Lai Siyao Fri, 19 Feb 2021 06:38:55 +0000 Mon, 24 Jan 2022 14:56:45 +0000 Sat, 20 Nov 2021 15:05:29 +0000 Lustre 2.15.0 0 7 <p><a href="https://review.whamcloud.com/#/c/45039/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/#/c/45039/</a></p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/45039/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/45039/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14448" title="lod_get_default_lov_striping() may crash for uninitialized .llc_pool" class="issue-link" data-issue-key="LU-14448"><del>LU-14448</del></a> lod: verify LOV before set/inherit<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 6a08df2d0effc7aa9d2a4428ff38c3b5df73d118</p> <p>Landed for 2.15</p> <p>"Lai Siyao &lt;lai.siyao@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/45370" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/45370</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14448" title="lod_get_default_lov_striping() may crash for uninitialized .llc_pool" class="issue-link" data-issue-key="LU-14448"><del>LU-14448</del></a> lod: verify LOV early in lod_get_default_striping<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: c8b387f3c71ad9f2c1408679aef3abf9cf884517</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/45370/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/45370/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14448" title="lod_get_default_lov_striping() may crash for uninitialized .llc_pool" class="issue-link" data-issue-key="LU-14448"><del>LU-14448</del></a> lod: verify LOV early in lod_get_default_striping<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: eba1b49172259ece89ab604a2ed2285e4770baa2</p> <p>Landed for 2.15</p> Related LU-7357 Development Rank 1|i01n1z: Rank (Obsolete) 9223372036854775807 Severity