From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf1-x42c.google.com (mail-pf1-x42c.google.com [IPv6:2607:f8b0:4864:20::42c]) by sourceware.org (Postfix) with ESMTPS id 0CF393858D37 for ; Wed, 17 Aug 2022 13:42:33 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 0CF393858D37 Received: by mail-pf1-x42c.google.com with SMTP id f192so12076126pfa.9 for ; Wed, 17 Aug 2022 06:42:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc; bh=xqzo1lc/Eleojeuw3yKzMHBV1JNCUuGgSLZTUrYHJNQ=; b=CyhF2WJJ2fuN+/doN0OdQlNXimt//cbwpRtQRhfMt1UUvG0Si+3eHsbsDfCoGaOccq oJcrrjY00yP2MWjHe+3V3T4hqo3lwqAAL/MSEg4uEliR4MrXEdYRct7l45QqjJ41Uday QbsDfYj0loI0qeZo2FG1MWENup3pxUCON5vy0hI/VwVYk8pYUJSP/39jpM68/8A+M5+B 1CCBulwFyw88TZI5lBaqVmF7+QTDNIOkKQ4i+VBdEEh/OkPT+q3epl9gfYdEG5jrx6Pz ckOVzwKMrFntRx8kgP2OUrPnLg+byRlLGrobnrsiXtjeGGdocuAjsWzxRsQtT/bb3OxP itJg== X-Gm-Message-State: ACgBeo2qEZwyQ9rOBo1JwqkDc6Dif8wv3Lo5Ci4BQ1u8vP7eN1dPRjoz sm3j0WeeY0swnbg/AWHACZa8YjviKZ0= X-Google-Smtp-Source: AA6agR6IcGPoCauRJI019bieb7D+WJAxp5zSIKkKMYo7gqZ+WKdu7x4DhKp5srzMq8xQ9MGD0BKz7A== X-Received: by 2002:a63:18d:0:b0:41b:20bc:3139 with SMTP id 135-20020a63018d000000b0041b20bc3139mr21402003pgb.521.1660743751876; Wed, 17 Aug 2022 06:42:31 -0700 (PDT) Received: from squeak.grove.modra.org ([2406:3400:51d:8cc0:4343:6f62:3e22:4ed3]) by smtp.gmail.com with ESMTPSA id x8-20020a170902a38800b00172a33c84a8sm1055694pla.251.2022.08.17.06.42.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Aug 2022 06:42:31 -0700 (PDT) Received: by squeak.grove.modra.org (Postfix, from userid 1000) id 7A9BD1142E7A; Wed, 17 Aug 2022 23:12:28 +0930 (ACST) Date: Wed, 17 Aug 2022 23:12:28 +0930 From: Alan Modra To: Hans-Peter Nilsson Cc: binutils@sourceware.org Subject: Re: timeout in mmo_get_symbols Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="P9tmfyvVDv/a80r6" Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-3028.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE 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: 2.1.29 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Aug 2022 13:42:34 -0000 --P9tmfyvVDv/a80r6 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Aug 17, 2022 at 07:29:03AM -0400, Hans-Peter Nilsson wrote: > Thanks for the fuzzer mmo fixes. > I have to ask, about the subject, "timeout"? > Did this bug perhaps cause an infinite loop with some fuzzed > object? Yes. https://oss-fuzz.com/testcase-detail/5712821022752768 (That link might not work until their next build when it should be seen to be fixed and thus open to the public.) Testcase attached too. -- Alan Modra Australia Development Lab, IBM --P9tmfyvVDv/a80r6 Content-Type: application/octet-stream Content-Disposition: attachment; filename=clusterfuzz-testcase-minimized-fuzz_dwarf-5712821022752768 Content-Transfer-Encoding: base64 mAkBAM8h+WeBAX8A3gkJMoIJCQkJCQEBCAAAAAEMAGRhdGEgAAAg3ZgLAAB1LgAAAAAAAAAA 5P/////////////////////////////////////3//////////////////////9fX09CSkOQ AP////////////////////////////////////////////////////////////////////// /////////////wAA//jvAPjfKP/f/37+gP//If///19fJiYmJiYmJiYmJiYmJiYmAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABhc20AAAAAAAAAAAAAAAAAAAAAbEluZf//LP// ziBlIGUgCmBlIGUgAAEDACUwNTU5AAAAAAAAAQtAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AABJJQUFBTA1NUkKJbj9uAo5IAoK//9fX09CSkOQAP////////////////////////////// ///////////////////f//////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////// /wAA//jvAPjfKP/f/37+gP//////X19PQkpDAAAAAAAAAAAAAAAAAAAAAAAAAGFzbQAAAAAA AAAAAAAAAAAAAABsSW5l//8s///OIGUgZSAKYGUgZSAAAQMAAAAQgAAAAgD///////////// ////////////////////////////////////////////////////X19PQkpDAAAAAAAA3jaC CVmYDAAT --P9tmfyvVDv/a80r6--