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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - amdgpu_query_gpu_info () segfaults when user does not have permission to open /dev/dri/card*"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97993">97993</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>amdgpu_query_gpu_info () segfaults when user does not have permission to open /dev/dri/card*
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>critical
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/AMDgpu-pro
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>vedran@miletic.net
</td>
</tr></table>
<p>
<div>
<pre>$ gdb clinfo
GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.04) 7.11.1
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <<a href="http://gnu.org/licenses/gpl.html">http://gnu.org/licenses/gpl.html</a>>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<<a href="http://www.gnu.org/software/gdb/bugs/">http://www.gnu.org/software/gdb/bugs/</a>>.
Find the GDB manual and other documentation resources online at:
<<a href="http://www.gnu.org/software/gdb/documentation/">http://www.gnu.org/software/gdb/documentation/</a>>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from clinfo...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/clinfo
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff061bd22 in amdgpu_query_gpu_info () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libdrm_amdgpu.so.1
(gdb) backtrace
#0 0x00007ffff061bd22 in amdgpu_query_gpu_info () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libdrm_amdgpu.so.1
#1 0x00007ffff39d7fae in ?? () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libamdocl64.so
#2 0x00007ffff39d861b in ?? () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libamdocl64.so
#3 0x00007ffff39daceb in ?? () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libamdocl64.so
#4 0x00007ffff39ca848 in ?? () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libamdocl64.so
#5 0x00007ffff36bcf0b in ?? () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libamdocl64.so
#6 0x00007ffff363e2d9 in ?? () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libamdocl64.so
#7 0x00007ffff363e337 in ?? () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libamdocl64.so
#8 0x00007ffff363f0c9 in ?? () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libamdocl64.so
#9 0x00007ffff3605d48 in ?? () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libamdocl64.so
#10 0x00007ffff36071e7 in ?? () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libamdocl64.so
#11 0x00007ffff3607376 in ?? () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libamdocl64.so
#12 0x00007ffff35c5300 in ?? () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libamdocl64.so
#13 0x00007ffff35e0947 in ?? () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libamdocl64.so
#14 0x00007ffff35aea03 in clIcdGetPlatformIDsKHR () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libamdocl64.so
#15 0x00007ffff74bd76e in ?? () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libOpenCL.so.1
#16 0x00007ffff74bf647 in ?? () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libOpenCL.so.1
#17 0x00007ffff7096ad9 in __pthread_once_slow (once_control=0x7ffff76c13d8,
init_routine=0x7ffff74bf4a0) at pthread_once.c:116
#18 0x00007ffff74bdd31 in clGetPlatformIDs () from
/usr/lib/x86_64-linux-gnu/amdgpu-pro/libOpenCL.so.1
#19 0x000000000040f4c7 in ?? ()
#20 0x0000000000407bb2 in ?? ()
#21 0x00007ffff6cdf830 in __libc_start_main (main=0x407b00, argc=1,
argv=0x7fffffffe4a8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffffffe498) at ../csu/libc-start.c:291
#22 0x000000000040e5f1 in ?? ()
It should fail without segfault.</pre>
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