DPDK patches and discussions
 help / color / mirror / Atom feed
* [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

[-- Attachment #1: Type: text/plain, Size: 3208 bytes --]

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

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #2: Type: text/html, Size: 5090 bytes --]

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2024-10-16 20:45 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-08-04 20:56 [DPDK/ethdev Bug 1510] net/ena build failure on Ubuntu 24.04 with LTO bugzilla
2024-10-16 20:45 ` bugzilla

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).