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[58.96.106.158]) by smtp.gmail.com with ESMTPSA id f23-20020aa782d7000000b006829969e3b0sm9044466pfn.85.2023.08.29.18.54.37 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Aug 2023 18:54:37 -0700 (PDT) Received: by squeak.grove.modra.org (Postfix, from userid 1000) id 5FED811425B6; Wed, 30 Aug 2023 11:24:34 +0930 (ACST) Date: Wed, 30 Aug 2023 11:24:34 +0930 To: binutils@sourceware.org Subject: binutils/dwarf.c abbrev list leak Message-ID: MIME-Version: 1.0 Content-Disposition: inline X-Spam-Status: No, score=-3034.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, 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: binutils@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Alan Modra via Binutils From: Alan Modra Reply-To: Alan Modra Errors-To: binutils-bounces+ouuuleilei=gmail.com@sourceware.org Sender: "Binutils" X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1775617193210290887 X-GMAIL-MSGID: 1775617193210290887 * dwarf.c (process_debug_info): Call free_abrev_list on return paths. diff --git a/binutils/dwarf.c b/binutils/dwarf.c index 80bbc547bb1..9e22a74209e 100644 --- a/binutils/dwarf.c +++ b/binutils/dwarf.c @@ -3997,7 +3997,11 @@ process_debug_info (struct dwarf_section * section, } } if (dwarf_start_die != 0 && level < saved_level) - return true; + { + if (list != NULL) + free_abbrev_list (list); + return true; + } continue; } @@ -4038,6 +4042,8 @@ process_debug_info (struct dwarf_section * section, } warn (_("DIE at offset %#lx refers to abbreviation number %lu which does not exist\n"), die_offset, abbrev_number); + if (list != NULL) + free_abbrev_list (list); return false; }