<html>
<head>
<base href="https://bugs.dpdk.org/">
</head>
<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 - net/ena build failure on Ubuntu 24.04 with LTO"
href="https://bugs.dpdk.org/show_bug.cgi?id=1510">1510</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>net/ena build failure on Ubuntu 24.04 with LTO
</td>
</tr>
<tr>
<th>Product</th>
<td>DPDK
</td>
</tr>
<tr>
<th>Version</th>
<td>24.07
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86
</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>alialnu@nvidia.com
</td>
</tr>
<tr>
<th>Target Milestone</th>
<td>---
</td>
</tr></table>
<p>
<div class="bz_comment_block">
<pre class="bz_comment_text">$ meson --werror -Db_lto=true build && ninja -C build
[..]
[1586/2774] Linking target drivers/librte_net_ena.so.24.2
../lib/eal/x86/include/rte_memcpy.h: In function ‘ena_rss_hash_conf_get’:
../lib/eal/x86/include/rte_memcpy.h:128:9: warning: writing 32 bytes into a
region of size 8 [-Wstringop-overflow=]
128 | _mm256_storeu_si256((__m256i *)(void *)dst, ymm0);
| ^
../drivers/net/ena/ena_rss.c:452:17: note: at offset 32 into destination object
‘hw_rss_key’ of size 40
452 | uint8_t hw_rss_key[ENA_HASH_KEY_SIZE];
| ^
../lib/eal/x86/include/rte_memcpy.h:128:9: warning: writing 32 bytes into a
region of size 0 [-Wstringop-overflow=]
128 | _mm256_storeu_si256((__m256i *)(void *)dst, ymm0);
| ^
../drivers/net/ena/ena_rss.c:452:17: note: at offset 64 into destination object
‘hw_rss_key’ of size 40
452 | uint8_t hw_rss_key[ENA_HASH_KEY_SIZE];
| ^
../lib/eal/x86/include/rte_memcpy.h:128:9: warning: writing 32 bytes into a
region of size 0 [-Wstringop-overflow=]
128 | _mm256_storeu_si256((__m256i *)(void *)dst, ymm0);
| ^
../drivers/net/ena/ena_rss.c:452:17: note: at offset 96 into destination object
‘hw_rss_key’ of size 40
452 | uint8_t hw_rss_key[ENA_HASH_KEY_SIZE];
| ^
../lib/eal/x86/include/rte_memcpy.h:128:9: warning: writing 32 bytes into a
region of size 0 [-Wstringop-overflow=]
128 | _mm256_storeu_si256((__m256i *)(void *)dst, ymm0);
| ^
../drivers/net/ena/ena_rss.c:452:17: note: at offset [131, 17179869245] into
destination object ‘hw_rss_key’ of size 40
452 | uint8_t hw_rss_key[ENA_HASH_KEY_SIZE];
| ^
../drivers/net/ena/ena_rss.c:452:17: note: at offset [129, 193] into
destination object ‘hw_rss_key’ of size 40
../drivers/net/ena/ena_rss.c:452:17: note: at offset [131, 17179869245] into
destination object ‘hw_rss_key’ of size 40
../drivers/net/ena/ena_rss.c:452:17: note: at offset [129, 193] into
destination object ‘hw_rss_key’ of size 40
../drivers/net/ena/ena_rss.c:452:17: note: at offset [1, 40] into destination
object ‘hw_rss_key’ of size 40
../lib/eal/x86/include/rte_memcpy.h:128:9: warning: writing 32 bytes into a
region of size 8 [-Wstringop-overflow=]
128 | _mm256_storeu_si256((__m256i *)(void *)dst, ymm0);
| ^
../drivers/net/ena/ena_rss.c:452:17: note: at offset [32, 40] into destination
object ‘hw_rss_key’ of size 40
[..]
OS: Ubuntu 24.04
Meson: 1.3.2
Compiler: gcc 13.2.0
</pre>
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