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<base href="https://bugs.dpdk.org/">
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<body><table border="1" cellspacing="0" cellpadding="8" class="bz_new_table">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - eth_memif_rx segfault when burst size is greater than 32"
href="https://bugs.dpdk.org/show_bug.cgi?id=1273">1273</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>eth_memif_rx segfault when burst size is greater than 32
</td>
</tr>
<tr>
<th>Product</th>
<td>DPDK
</td>
</tr>
<tr>
<th>Version</th>
<td>23.03
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>UNCONFIRMED
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>Normal
</td>
</tr>
<tr>
<th>Component</th>
<td>ethdev
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dev@dpdk.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>sunnylandh@gmail.com
</td>
</tr>
<tr>
<th>Target Milestone</th>
<td>---
</td>
</tr></table>
<p>
<div class="bz_comment_block">
<pre class="bz_comment_text">When rte_eth_rx_burst() is called on an memif device with a burst size greater
than 32, there's a segfault in eth_memif_rx() function.
Thread 1 "x" received signal SIGSEGV, Segmentation fault.
0x00007ffff7a116d1 in eth_memif_rx (queue=0x1b73051c0, bufs=0x7fffffffd320,
nb_pkts=<optimized out>) at ../drivers/net/memif/rte_eth_memif.c:360
360 mbuf = mbuf_head;
(gdb) bt
#0 0x00007ffff7a116d1 in eth_memif_rx (queue=0x1b73051c0,
bufs=0x7fffffffd320, nb_pkts=<optimized out>) at
../drivers/net/memif/rte_eth_memif.c:360
#1 0x000055555555554e in rte_eth_rx_burst (nb_pkts=<optimized out>,
rx_pkts=0x7fffffffd220, queue_id=0, port_id=0) at
/usr/local/include/rte_ethdev.h:5918
#2 rxloop (queue=0, mp=<optimized out>, burstSize=<optimized out>, port=0)
at x.c:51
#3 main (argc=<optimized out>, argv=<optimized out>) at x.c:103
</pre>
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