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-16341 Lustre <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>BUG: unable to handle kernel NULL pointer dereference at 00000000000000f8 ... RIP: 0010:qmt_site_recalc_cb+0x2ec/0x780 [lquota] ... [ffffa5564118fda0] cfs_hash_for_each_tight at ffffffffc0c72c81 [libcfs] [ffffa5564118fe08] qmt_pool_recalc at ffffffffc142dec7 [lquota] [ffffa5564118ff10] kthread at ffffffffb45043a6 [ffffa5564118ff50] ret_from_fork at ffffffffb4e00255 </pre> </div></div> <p>The panic occurres due to an empty qit_lqes array after qmt_pool_lqes_lookup_spec. Sometimes it is possible if global lqe is not enforced.</p> LU-16341

unable to handle kernel NULL in qmt_site_recalc_cb

Bug Minor Resolved Fixed Sergey Cheremencev Sergey Cheremencev Thu, 24 Nov 2022 18:09:22 +0000 Thu, 24 Aug 2023 04:36:48 +0000 Thu, 27 Apr 2023 22:53:55 +0000 Lustre 2.16.0 0 3 <p><del>"Sergey Cheremencev &lt;sergey.cheremencev@hpe.com&gt;" uploaded a new patch:</del> <a href="https://review.whamcloud.com/c/fs/lustre-release/+/49240" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/49240</a><br/> <del>Subject: <a href="https://jira.whamcloud.com/browse/LU-16341" title="unable to handle kernel NULL in qmt_site_recalc_cb" class="issue-link" data-issue-key="LU-16341"><del>LU-16341</del></a> tests: check panic in qmt_site_recalc_cb</del><br/> <del>Project: fs/lustre-release</del><br/> <del>Branch: master</del><br/> <del>Current Patch Set: 1</del><br/> <del>Commit: f0498d29c50b39495d7ed81cc0902ba74e697bc6</del></p> <p>"Sergey Cheremencev &lt;sergey.cheremencev@hpe.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/49241" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/49241</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16341" title="unable to handle kernel NULL in qmt_site_recalc_cb" class="issue-link" data-issue-key="LU-16341"><del>LU-16341</del></a> quota: fix panic in qmt_site_recalc_cb<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 335cb1edc7b4be39b28d3bed56ea734f366d9a54</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/49241/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/49241/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16341" title="unable to handle kernel NULL in qmt_site_recalc_cb" class="issue-link" data-issue-key="LU-16341"><del>LU-16341</del></a> quota: fix panic in qmt_site_recalc_cb<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: dfe7d2dd2b0d4c0c08faa613f44d2ab1f74c7420</p> <p>"Alex Deiter &lt;alex.deiter@gmail.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51648" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51648</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16341" title="unable to handle kernel NULL in qmt_site_recalc_cb" class="issue-link" data-issue-key="LU-16341"><del>LU-16341</del></a> tests: skip sanity-quota/test_1b for old MDS<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: a47128600fce1dd5135af610d0b31dafe1baa9d0</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51648/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51648/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16341" title="unable to handle kernel NULL in qmt_site_recalc_cb" class="issue-link" data-issue-key="LU-16341"><del>LU-16341</del></a> tests: skip sanity-quota/test_1b for old MDS<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 88bf8fbc95ff15c85979777cb595e91467357bc5</p> <p>"Alex Deiter &lt;alex.deiter@gmail.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51949" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51949</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16341" title="unable to handle kernel NULL in qmt_site_recalc_cb" class="issue-link" data-issue-key="LU-16341"><del>LU-16341</del></a> tests: skip sanity-quota/test_14 for old MDS<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 7d359e4de4a0159ac0fc1d15a18e93ca24d4e360</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51949/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51949/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16341" title="unable to handle kernel NULL in qmt_site_recalc_cb" class="issue-link" data-issue-key="LU-16341"><del>LU-16341</del></a> tests: skip sanity-quota/test_14 for old MDS<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 0eb815b2fc83b8fe299e49c320c7c68bcd6d9742</p> Duplicate LU-16448 Related LU-16725 LU-16772 Development Rank 1|i036iv: Rank (Obsolete) 9223372036854775807 Severity