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-16734 Lustre <p>On Ubuntu 22.04, when some keyring resources are getting cleared, a warning message is displayed instead, and the clearing is not successful, leading into a misbehaving filesystem and regular stack traces being printed in logs.</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> WARNING: CPU: 44 PID: 305468 at security/keys/permission.c:35 key_task_permission+0xa5/0x150 CPU: 44 PID: 305468 Comm: kworker/u448:1 Tainted: P        W  OE     5.15.0-69-<span class="code-keyword">generic</span> #76-Ubuntu Workqueue: ptlrpc_pinger ptlrpc_pinger_main [ptlrpc] RIP: 0010:key_task_permission+0xa5/0x150 Call Trace:  &lt;TASK&gt;  lookup_user_key+0xf4/0x700  ? key_validate+0x50/0x50  request_key_unlink+0x230/0x330 [ptlrpc_gss]  gss_sec_lookup_ctx_kr+0xa0c/0xd0c [ptlrpc_gss]  get_my_ctx+0x5f/0x140 [ptlrpc]  sptlrpc_req_get_ctx+0x15a/0x280 [ptlrpc]  ptlrpc_request_bufs_pack+0x283/0x6a0 [ptlrpc]  ptlrpc_request_alloc_pack+0x3a/0x70 [ptlrpc]  ptlrpc_pinger_main+0x893/0xab0 [ptlrpc]  process_one_work+0x228/0x3d0  worker_thread+0x53/0x420  ? process_one_work+0x3d0/0x3d0  kthread+0x127/0x150  ? set_kthread_struct+0x50/0x50  ret_from_fork+0x1f/0x30  &lt;/TASK&gt;</pre> </div></div> <p>This is because in Linux 5.8, in commit 8c0637e950d68933a67f7438f779d79b049b5e5c, lookup_user_key() API was changed and requires different parameters.</p> <p> </p> LU-16734

kernel warning in key_task_permission() leading to stuck resources

Bug Minor Resolved Fixed Aurelien Degremont Aurelien Degremont Thu, 13 Apr 2023 09:38:36 +0000 Tue, 30 May 2023 10:09:03 +0000 Sat, 22 Apr 2023 18:19:59 +0000 Lustre 2.16.0 0 6 <p>"Aurelien Degremont &lt;adegremont@nvidia.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/50623" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/50623</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16734" title="kernel warning in key_task_permission() leading to stuck resources" class="issue-link" data-issue-key="LU-16734"><del>LU-16734</del></a> gss: fix lookup_user_key() bug<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 4e98d42e68191b8078779432ec2870baa0477431</p> <p>API changes that don't break the compilation are evil, and this is really a bug in the original patch, but hindsight is 20/20. </p> <p>&gt;  API changes that don't break the compilation are evil, and this is really a bug in the original patch, but hindsight is 20/20.</p> <p>Actually it would have break compilation, but we have</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> <span class="code-comment">/* from Linux security/keys/internal.h: */</span> #ifndef KEY_LOOKUP_FOR_UNLINK #define KEY_LOOKUP_FOR_UNLINK           0x04 #endif</pre> </div></div> <p>in the code that masked it. We have that because this define would have require us to include an internal header.</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/50623/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/50623/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16734" title="kernel warning in key_task_permission() leading to stuck resources" class="issue-link" data-issue-key="LU-16734"><del>LU-16734</del></a> gss: fix lookup_user_key() bug<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 013a6711503045b9e7154b8ff786ee85cdc3ecdd</p> <p>Landed for 2.16</p> Development Rank 1|i03isn: Rank (Obsolete) 9223372036854775807 Severity