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-6667 Lustre <p>__getname used in ll_getname allocated PATH_MAX sized 4k buffer that is overkill.<br/> In fact we only need a single component of the pathname that could not be longer than 255 bytes, so only allocating 256 bytes should be enough.<br/> Additionally need to check for strncpy_from_user negative return values while at that.</p> LU-6667

ll_getname allocates too big of a buffer

Bug Minor Resolved Fixed WC Triage Oleg Drokin Sun, 31 May 2015 18:24:05 +0000 Mon, 31 Aug 2015 13:07:17 +0000 Mon, 31 Aug 2015 13:07:17 +0000 Lustre 2.8.0 0 3 <p>Oleg Drokin (oleg.drokin@intel.com) uploaded a new patch: <a href="http://review.whamcloud.com/15089" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/15089</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-6667" title="ll_getname allocates too big of a buffer" class="issue-link" data-issue-key="LU-6667"><del>LU-6667</del></a> llite: improve ll_getname<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: aecf61fc4c4068636c815a7d50e8b76352a77d08</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="http://review.whamcloud.com/15089/" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/15089/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-6667" title="ll_getname allocates too big of a buffer" class="issue-link" data-issue-key="LU-6667"><del>LU-6667</del></a> llite: improve ll_getname<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 051c25bbcd298b9f8fbbc478d968aeb9963b663f</p> <p>Landed for 2.8.</p> Development Rank 1|hzxekn: Rank (Obsolete) 9223372036854775807 Severity