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[204.195.96.226]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-72918ac5280sm8739073b3a.35.2024.12.18.08.52.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Dec 2024 08:52:47 -0800 (PST) Date: Wed, 18 Dec 2024 08:52:45 -0800 From: Stephen Hemminger To: bugzilla@dpdk.org Cc: dev@dpdk.org Subject: Re: [DPDK/core Bug 1605] lib/eal build failure with address and undefined behavior sanitizers Message-ID: <20241218085245.3aabb2f8@hermes.local> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Tue, 17 Dec 2024 20:39:12 +0000 bugzilla@dpdk.org wrote: > https://bugs.dpdk.org/show_bug.cgi?id=3D1605 >=20 > Bug ID: 1605 > Summary: lib/eal build failure with address and undefined > behavior sanitizers > Product: DPDK > Version: 25.03 > Hardware: All > OS: All > Status: UNCONFIRMED > Severity: normal > Priority: Normal > Component: core > Assignee: dev@dpdk.org > Reporter: alialnu@nvidia.com > Target Milestone: --- >=20 > $ meson --werror -Db_sanitize=3Daddress,undefined build && ninja -C build > [..] > /usr/include/x86_64-linux-gnu/bits/string_fortified.h:29:10: error: writi= ng 4 > bytes into a region of size 0 [-Werror=3Dstringop-overflow=3D] > [..] >=20 > OS: Ubuntu 22.04 > Compiler: gcc 11.2.0 > Meson: 0.61.2 > Ninja-build: 1.10.1 >=20 > Build passes with "-Db_sanitize=3Daddress". >=20 Doing this found some other bugs: [182/3218] Compiling C object drivers/libtmp_rte_bus_fslmc.a.p/bus_fslmc_po= rtal_dpaa2_hw_dpio.c.o ../drivers/bus/fslmc/portal/dpaa2_hw_dpio.c: In function =E2=80=98dpaa2_cre= ate_dpio_device=E2=80=99: ../drivers/bus/fslmc/portal/dpaa2_hw_dpio.c:607:1: warning: pointer =E2=80= =98dpio_dev=E2=80=99 used after =E2=80=98rte_free=E2=80=99 [-Wuse-after-fre= e] 607 | } | ^ ../drivers/bus/fslmc/portal/dpaa2_hw_dpio.c:600:17: note: call to =E2=80=98= rte_free=E2=80=99 here 600 | rte_free(dpio_dev); | ^~~~~~~~~~~~~~~~~~