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-2926 Lustre <p>ldiskfs_iget() can return error code not just NULL</p> LU-2926

crash in is_bad_inode()

Bug Blocker Resolved Fixed James Nunez Andriy Skulysh MB patch Thu, 7 Mar 2013 07:59:01 +0000 Fri, 15 Mar 2013 09:09:46 +0000 Fri, 15 Mar 2013 09:09:46 +0000 Lustre 2.4.0 Lustre 2.4.0 0 5 <p>PATCH: <a href="http://review.whamcloud.com/5631" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/5631</a></p> <p>How was this bug hit (what test program/application) and how often? This is always useful information when trying to prioritize bugs.</p> <p>I don't know how often it happens. Here is a trace:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre> 5640.261670] Process mdt_03 (pid: 59002, threadinfo ffff88075d16e000, task ffff8807eb6e3580) [ 5640.271174] Stack: [ 5640.273511] ffff88075d16f8a0 ffffffffa0bd992c ffff880752136c50 ffff880752136bf8 [ 5640.281719] &lt;0&gt; ffff88074550e000 ffffffffa0cc0eef ffff88075d16f910 ffffffffa0bd9ac6 [ 5640.290531] &lt;0&gt; ffff88075d16f920 ffff88075d16f968 ffff88075d16f910 ffffffffa0bd961e [ 5640.299641] Call Trace: [ 5640.302490] [&lt;ffffffffa0bd992c&gt;] ldiskfs_xattr_inode_iget+0x4c/0x140 [ldiskfs] [ 5640.310844] [&lt;ffffffffa0bd9ac6&gt;] ldiskfs_xattr_inode_get+0x26/0xf0 [ldiskfs] [ 5640.318928] [&lt;ffffffffa0bd961e&gt;] ? ldiskfs_xattr_find_entry+0x3e/0x120 [ldiskfs] [ 5640.327470] [&lt;ffffffffa0bda4ea&gt;] ldiskfs_xattr_get+0x18a/0x330 [ldiskfs] [ 5640.335162] [&lt;ffffffffa0bdc7ab&gt;] ldiskfs_xattr_trusted_get+0x2b/0x30 [ldiskfs] </pre> </div></div> <p>In any case it is obvious typo.</p> <p>Can happen on SLES11 SP2 as well. I have patch for that platform at <a href="http://review.whamcloud.com/#change,5709" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/#change,5709</a></p> <p>Landed for 2.4</p> Development Rank 1|hzvkd3: Rank (Obsolete) 7027 Severity