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-9278 Lustre <p>If quota did not have accounting objects because of failed to<br/> load or unsupported, @lqp_obj will be NULL, we could still<br/> have some NULL pointer access</p> <p> <span class="error">&#91;&lt;ffffffffa0c60730&gt;&#93;</span> ? lprocfs_quota_seq_show+0x460/0x460 <span class="error">&#91;lquota&#93;</span><br/> <span class="error">&#91;&lt;ffffffff8126bd8f&gt;&#93;</span> proc_reg_open+0x6f/0x100<br/> <span class="error">&#91;&lt;ffffffff811fbfb7&gt;&#93;</span> do_dentry_open+0x1a7/0x2e0<br/> <span class="error">&#91;&lt;ffffffff812a8bfc&gt;&#93;</span> ? security_inode_permission+0x1c/0x30<br/> <span class="error">&#91;&lt;ffffffff8126bd20&gt;&#93;</span> ? proc_reg_release+0x70/0x70<br/> <span class="error">&#91;&lt;ffffffff811fc18f&gt;&#93;</span> vfs_open+0x5f/0xe0<br/> <span class="error">&#91;&lt;ffffffff81209b58&gt;&#93;</span> ? may_open+0x68/0x110<br/> <span class="error">&#91;&lt;ffffffff8120ccfd&gt;&#93;</span> do_last+0x1ed/0x12a0<br/> <span class="error">&#91;&lt;ffffffff8120de72&gt;&#93;</span> path_openat+0xc2/0x490<br/> <span class="error">&#91;&lt;ffffffff8118075b&gt;&#93;</span> ? unlock_page+0x2b/0x30<br/> <span class="error">&#91;&lt;ffffffff8120ffeb&gt;&#93;</span> do_filp_open+0x4b/0xb0<br/> <span class="error">&#91;&lt;ffffffff8121cc77&gt;&#93;</span> ? __alloc_fd+0xa7/0x130<br/> <span class="error">&#91;&lt;ffffffff811fd4f3&gt;&#93;</span> do_sys_open+0xf3/0x1f0<br/> <span class="error">&#91;&lt;ffffffff811fd60e&gt;&#93;</span> SyS_open+0x1e/0x20<br/> <span class="error">&#91;&lt;ffffffff81696d49&gt;&#93;</span> system_call_fastpath+0x16/0x1b</p> LU-9278

crash when access failed quota proc file

Bug Minor Resolved Fixed Niu Yawei Wang Shilong Fri, 31 Mar 2017 03:25:15 +0000 Mon, 1 May 2017 13:40:28 +0000 Thu, 13 Apr 2017 18:50:18 +0000 Lustre 2.10.0 Lustre 2.10.0 0 3 <p>Wang Shilong (wshilong@ddn.com) uploaded a new patch: <a href="https://review.whamcloud.com/26277" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/26277</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-9278" title="crash when access failed quota proc file" class="issue-link" data-issue-key="LU-9278"><del>LU-9278</del></a> quota: avoid crash when access failed quota proc file<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: d515c99b27adb4e3703e3df3bac67758341877ea</p> <p>Niu</p> <p>Could you please review this fix?</p> <p>Thanks</p> <p>Peter</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="https://review.whamcloud.com/26277/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/26277/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-9278" title="crash when access failed quota proc file" class="issue-link" data-issue-key="LU-9278"><del>LU-9278</del></a> quota: avoid crash when access failed quota proc file<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: cf539e343d3f91df7973720c26a07560a7f7904d</p> <p>Landed for 2.10</p> Development Rank 1|hzz8xj: Rank (Obsolete) 9223372036854775807 Severity