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([2804:1b3:a7c2:2a23:584e:68a2:9131:7209]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21da3ea1c2asm102082535ad.54.2025.01.29.09.26.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Jan 2025 09:26:03 -0800 (PST) From: Adhemerval Zanella To: libc-alpha@sourceware.org Cc: Jeff Xu , Florian Weimer , "H . J . Lu" Subject: [PATCH v8 5/8] elf: Use RTLD_NODELETE for dependencies Date: Wed, 29 Jan 2025 14:22:39 -0300 Message-ID: <20250129172550.1119706-6-adhemerval.zanella@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250129172550.1119706-1-adhemerval.zanella@linaro.org> References: <20250129172550.1119706-1-adhemerval.zanella@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-12.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces~patchwork=sourceware.org@sourceware.org So dlopen dependencies for objects opened with RTLD_NODELETE are also marked with RTLD_NODELETE. Checked on x86_64-linux-gnu. --- elf/dl-open.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/elf/dl-open.c b/elf/dl-open.c index 4c12ddec59..1501428de2 100644 --- a/elf/dl-open.c +++ b/elf/dl-open.c @@ -604,7 +604,8 @@ dl_open_worker_begin (void *a) /* Load that object's dependencies. */ _dl_map_object_deps (new, NULL, 0, 0, - mode & (__RTLD_DLOPEN | RTLD_DEEPBIND | __RTLD_AUDIT)); + mode & (__RTLD_DLOPEN | RTLD_DEEPBIND | __RTLD_AUDIT + | RTLD_NODELETE)); /* So far, so good. Now check the versions. */ for (unsigned int i = 0; i < new->l_searchlist.r_nlist; ++i)