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-12436 Lustre <p>In low memory conditions a page allocation failure leading to a leaked ERR_PTR(-ENOMEM) being later used as a valid pointer causing a NULL pointer deference.</p> <p>IP: osc_io_init+0x16/0x80 <span class="error">&#91;osc&#93;</span><br/> PGD 0 P4D 0<br/> Oops: 0000 1 SMP PTI<br/> ...<br/> Call Trace:<br/> cl_io_init0.isra.21+0xa1/0x150 <span class="error">&#91;obdclass&#93;</span><br/> cl_io_sub_init+0x3a/0x80 <span class="error">&#91;obdclass&#93;</span><br/> lov_sub_get+0x29d/0x770 <span class="error">&#91;lov&#93;</span><br/> lov_io_iter_init+0x26c/0xa80 <span class="error">&#91;lov&#93;</span></p> <p> </p> LU-12436

Memory allocation failure error dropped

Bug Minor Resolved Fixed Shaun Tancheff Shaun Tancheff LTS12 Thu, 13 Jun 2019 22:49:52 +0000 Sat, 10 Jul 2021 18:23:53 +0000 Thu, 20 Jun 2019 22:19:33 +0000 Lustre 2.13.0 Lustre 2.12.5 0 2 <p>Shaun Tancheff (stancheff@cray.com) uploaded a new patch: <a href="https://review.whamcloud.com/35229" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/35229</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-12436" title="Memory allocation failure error dropped" class="issue-link" data-issue-key="LU-12436"><del>LU-12436</del></a> lov: return error if cl_env_get fails<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 5a9b6fce18aea76c6c07e8228175c15857e90897</p> <p>Shaun Tancheff (stancheff@cray.com) uploaded a new patch: <a href="https://review.whamcloud.com/35231" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/35231</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-12436" title="Memory allocation failure error dropped" class="issue-link" data-issue-key="LU-12436"><del>LU-12436</del></a> llite: clio locking between sleep and wake_up<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 5aa832a56a83b8beee7a2d295855152ebe458d2f</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/35229/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/35229/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-12436" title="Memory allocation failure error dropped" class="issue-link" data-issue-key="LU-12436"><del>LU-12436</del></a> lov: return error if cl_env_get fails<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: a7997c836bbfe2a0674007f1c23b9593e596e0ba</p> <p>Landed for 2.13</p> <p>Minh Diep (mdiep@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/38360" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/38360</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-12436" title="Memory allocation failure error dropped" class="issue-link" data-issue-key="LU-12436"><del>LU-12436</del></a> lov: return error if cl_env_get fails<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: 1<br/> Commit: 00757bb78978a52c389f85d40dade088b7964266</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/38360/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/38360/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-12436" title="Memory allocation failure error dropped" class="issue-link" data-issue-key="LU-12436"><del>LU-12436</del></a> lov: return error if cl_env_get fails<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: <br/> Commit: bb588c70baa84b0e02d4e663d8bceca3cd39ee2b</p> Duplicate LU-12011 Related LU-10467 Development Rank 1|i00i8v: Rank (Obsolete) 9223372036854775807 Severity