<meta http-equiv="Content-Type" content="text/html; charset=utf-8"><div dir="ltr"><div>Hello Darshan team,</div><div>I just wanted to add a data point to the ioctl(LL_IOC_LOV_GETSTRIPE) issue (which I see was discussed on this mailing list last October ("Help needed, Darshan keeps crashing in Lustre filesystem"), and in this issue: <a href="https://xgitlab.cels.anl.gov/darshan/darshan/-/issues/270">https://xgitlab.cels.anl.gov/darshan/darshan/-/issues/270</a>. <br></div><div><br></div><div>I was trying to use Darshan 3.2.1 on Frontera at TACC, and my test program kept locking up. After a few failures the system admin let me know my failures were crashing each node I tested on. <br></div><div><br></div><div>This is one of error messages they found:</div><div>
[187544.836144] Lustre: test_darshan_lo: using old ioctl(<span class="gmail-il">LL_IOC_LOV_GETSTRIPE</span>) on [0x200022388:0x1776:0x0], use llapi_layout_get_by_path()[187544.848624] usercopy: kernel memory exposure attempt detected from ffff8d46b11910c0 (kmalloc-64) (48032 bytes) <br></div><div><br></div><div>I'll disable the Lustre module for now and keep an eye out for new releases.</div><div><br></div></div>