From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [DPDK/ethdev Bug 1442] uninitalized warning when ASAN enabled in hns3 PMD
Date: Thu, 16 May 2024 21:55:39 +0000 [thread overview]
Message-ID: <bug-1442-3@http.bugs.dpdk.org/> (raw)
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https://bugs.dpdk.org/show_bug.cgi?id=1442
Bug ID: 1442
Summary: uninitalized warning when ASAN enabled in hns3 PMD
Product: DPDK
Version: 24.03
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: stephen@networkplumber.org
Target Milestone: ---
Was building DPDK with address sanitizer (for other tests).
The commands were:
$ meson setup build -Db_sanitize=address
The Meson build system
Version: 1.4.0
Source dir: /home/shemminger/DPDK/sw-stats
Build dir: /home/shemminger/DPDK/sw-stats/build
Build type: native build
Program cat found: YES (/usr/bin/cat)
Project name: DPDK
Project version: 24.07.0-rc0
C compiler for the host machine: cc (gcc 13.2.0 "cc (Debian 13.2.0-24) 13.2.0")
C linker for the host machine: cc ld.bfd 2.42
Host machine cpu family: x86_64
Host machine cpu: x86_64
...
$ ninja -C build
[1523/2949] Compiling C object
drivers/libtmp_rte_net_hns3.a.p/net_hns3_hns3_ethdev.c.o
In function ‘hns3_fec_get_internal’,
inlined from ‘hns3_query_dev_fec_info’ at
../drivers/net/hns3/hns3_ethdev.c:6268:8,
inlined from ‘hns3_get_configuration’ at
../drivers/net/hns3/hns3_ethdev.c:2883:8,
inlined from ‘hns3_init_pf’ at ../drivers/net/hns3/hns3_ethdev.c:4630:8,
inlined from ‘hns3_dev_init’ at ../drivers/net/hns3/hns3_ethdev.c:6567:8:
../drivers/net/hns3/hns3_ethdev.c:6061:20: warning: ‘auto_state’ may be used
uninitialized [-Wmaybe-uninitialized]
6061 | if (auto_state == 0x1) {
| ^
../drivers/net/hns3/hns3_ethdev.c: In function ‘hns3_dev_init’:
../drivers/net/hns3/hns3_ethdev.c:6047:17: note: ‘auto_state’ was declared here
6047 | uint8_t auto_state;
| ^~~~~~~~~~
This is alos a CI bug since CI should be build with ASAN in one of its configs!
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