* [DPDK/ethdev Bug 1510] net/ena build failure on Ubuntu 24.04 with LTO
@ 2024-08-04 20:56 bugzilla
2024-10-16 20:45 ` bugzilla
0 siblings, 1 reply; 2+ messages in thread
From: bugzilla @ 2024-08-04 20:56 UTC (permalink / raw)
To: dev
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https://bugs.dpdk.org/show_bug.cgi?id=1510
Bug ID: 1510
Summary: net/ena build failure on Ubuntu 24.04 with LTO
Product: DPDK
Version: 24.07
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: alialnu@nvidia.com
Target Milestone: ---
$ 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
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