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Fri, 10 Jul 2026 15:09:59 -0700 (PDT) From: =?utf-8?q?Ricardo_B=2E_Marli=C3=A8re?= Date: Fri, 10 Jul 2026 19:09:40 -0300 Subject: [PATCH 4/4] libbpf: Search /lib64 and /lib in resolve_full_path() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260710-selftests-bpf_fixes-v1-4-aa24dfd6f4f9@suse.com> References: <20260710-selftests-bpf_fixes-v1-0-aa24dfd6f4f9@suse.com> In-Reply-To: <20260710-selftests-bpf_fixes-v1-0-aa24dfd6f4f9@suse.com> To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi , Martin KaFai Lau , Song Liu , Yonghong Song , Jiri Olsa , Emil Tsalapatis , Shuah Khan , =?utf-8?q?Alexis_Lothor=C3=A9_=28eBPF_Foundation=29?= , Ihor Solodrai , Christian Brauner Cc: bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?Ricardo_B=2E_Marli=C3=A8re?= X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openssh-sha256; t=1783721384; l=1278; i=rbm@suse.com; h=from:subject:message-id; bh=6lkAv+z1VdbJq3O3jTSPjcCfj4Q5wG5BSAJJAOcOXHA=; b=U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgguRCc5X8/UX9M40lkMnr//aFGOhce x5ezt8MFNUFlqYAAAAGcGF0YXR0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5AAAA QFR/tut4OCyvgDwlGseV1WK7Te9XAEVFFha7CXAmadILbP0Na3iXB7sPAJthSMsus23eA2gfg4K BR9Z1mD/LWwA= X-Developer-Key: i=rbm@suse.com; a=openssh; fpr=SHA256:pzhe0fJpYLz+3cZ33FFPhIfaUElk9CXPFFXmalIH+1g attach_probe/uprobe-lib and uprobe_autoattach selftests fail with "failed to resolve full path for libc.so.6" on older non-usrmerged distros, where libc.so.6 lives under a top-level /lib64 or /lib rather than /usr/lib64 or /usr/lib. Add /lib64:/lib to the search paths, alongside the existing /usr/lib64:/usr/lib and Debian multiarch entries. Signed-off-by: Ricardo B. Marlière --- tools/lib/bpf/libbpf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 1368752aa13c..1ab939dfb7f0 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -12973,13 +12973,14 @@ static const char *arch_specific_lib_paths(void) /* Get full path to program/shared library. */ static int resolve_full_path(const char *file, char *result, size_t result_sz) { - const char *search_paths[3] = {}; + const char *search_paths[4] = {}; int i, perm; if (str_has_sfx(file, ".so") || strstr(file, ".so.")) { search_paths[0] = getenv("LD_LIBRARY_PATH"); search_paths[1] = "/usr/lib64:/usr/lib"; search_paths[2] = arch_specific_lib_paths(); + search_paths[3] = "/lib64:/lib"; perm = R_OK; } else { search_paths[0] = getenv("PATH"); -- 2.54.0