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Thu, 22 Jun 2023 16:33:43 +0000 Date: Thu, 22 Jun 2023 17:33:40 +0100 From: Frank Busse To: bug-coreutils@gnu.org Subject: b2sum: heap-overflow in digest_check Message-ID: <20230622173340.0906eb6c@gyali> Organization: Imperial College London X-Mailer: Claws Mail 4.1.1 (GTK 3.24.37; x86_64-pc-linux-gnu) Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-ClientProxiedBy: LO4P265CA0179.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:311::7) To LO4P265MB6413.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:2e1::9) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LO4P265MB6413:EE_|LO0P265MB5809:EE_ X-MS-Office365-Filtering-Correlation-Id: 98d27237-3811-48ba-62e9-08db733e7140 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; 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envelope-from=f.busse17@imperial.ac.uk; helo=smtphub2.cc.ic.ac.uk X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: -1.3 (-) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.3 (--) Hi, KLEE reported a heap-overflow in b2sum (Coreutils 9.3). When running it with: $ printf '\n\n0A0BA0' | coreutils-9.3/bin/b2sum -c (even '0BA0' seems to work on my machine) ASAN confirms the issue: > #1 0x0000000000473de0 in __interceptor_strchr (s=, c=) > #2 0x0000000000500a81 in digest_check (checkfile_name=0x7fffffffe69e "stdin") at /tmp/src/coreutils-9.3/src/digest.c:1216 > #3 0x00000000005005e9 in main (argc=3, argv=0x7fffffffe3a8) at /tmp/src/coreutils-9.3/src/digest.c:1607 Best, Frank From debbugs-submit-bounces@debbugs.gnu.org Thu Jun 22 16:48:39 2023 Received: (at 64229-done) by debbugs.gnu.org; 22 Jun 2023 20:48:39 +0000 Received: from localhost ([127.0.0.1]:36868 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qCREM-00089X-Mo for submit@debbugs.gnu.org; Thu, 22 Jun 2023 16:48:39 -0400 Received: from mail-wm1-f49.google.com ([209.85.128.49]:54423) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qCREK-00089C-3o for 64229-done@debbugs.gnu.org; Thu, 22 Jun 2023 16:48:37 -0400 Received: by mail-wm1-f49.google.com with SMTP id 5b1f17b1804b1-3f9ede60140so1095e9.0 for <64229-done@debbugs.gnu.org>; Thu, 22 Jun 2023 13:48:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687466910; x=1690058910; h=in-reply-to:from:references:to:content-language:subject:user-agent :mime-version:date:message-id:sender:from:to:cc:subject:date :message-id:reply-to; bh=ug8IX2LpgDddy+6Fw/xyKVGYJGxIXiEFk3Sj/bs/hvw=; b=QYhhPBQ2JBq65Izo4KguCDkv5sDUjqxncYohR/0ZI9v/tzaVgCKLo5rjzzWwSLCvxN x6tBUBm+8ze7qKcqzrtKhSZTmHSQv7i3mc9UwCYsuEwczA4tdZjHtpcfLkdZ153JDFkF xxCvlao8T65v3KJ5wAGxxxZEe3f7MPcywv568VMoCW+h8Er8nAHob5PBXd1eSbYNFfHN 0KHCS2BDtY1jjsxc2jrfVfgIujl+yy7/8SDnMCcnXSdcMdC8fDTuwTzyMZlXc0uuEpSj K57gDy+j7pS411jfQAE/PlmS6Jjw+nkykx7orqpKN/k9t6YKC1iq2kCvxwMqrrqUxgiE vYWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687466910; x=1690058910; h=in-reply-to:from:references:to:content-language:subject:user-agent :mime-version:date:message-id:sender:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ug8IX2LpgDddy+6Fw/xyKVGYJGxIXiEFk3Sj/bs/hvw=; b=D5/qfwD4/L7AkOOSlXqsW1YZAKqXSlmPsWyOdrg5wCWMS6SkVoFu4OEJqs8+gUqBtb zYPhDL8h1PP0YOODADydxMTZwFOzzC2q9HzeGNHf2EOcnSEOl/MSWf7bxCvZnIJggx+e pp/PY1ubkd2wo+y3I9fuP22hwIa7c4Hma/8np7K+ypXqWbcAE1j3a5wwKWT0HcQ43A0X 0aIiikkdTulEny6HkpU3Hjj00gFB3HG14UabY1RRvS+cTpj9Uj9z/9ZRAsG9y9AtvAcm n8aAIjXnv55E14T0ErLhyFFv7jPdX3WvrCc8h63ddDjhZ09W7Uvo1vfIEm7rpi3G/apI O3tQ== X-Gm-Message-State: AC+VfDwcJc+74omIBWF4XyXYodXWjYfKM/XqWQzbZX0Ky5CYv7OBvxQ0 xdHDwXhJo09qcKn9klxOaMA= X-Google-Smtp-Source: ACHHUZ7UWVDcNPpTDgFrgOupXFuPJ3/OmRqFNnJB86pWDS0IfZnON4d7AF0+7dJd0vNRNOyzxh6LGA== X-Received: by 2002:a05:600c:213:b0:3f6:91c:4e86 with SMTP id 19-20020a05600c021300b003f6091c4e86mr14079644wmi.3.1687466910046; Thu, 22 Jun 2023 13:48:30 -0700 (PDT) Received: from [192.168.1.19] (95-44-90-175-dynamic.agg2.lod.rsl-rtd.eircom.net. [95.44.90.175]) by smtp.googlemail.com with ESMTPSA id b14-20020a5d45ce000000b0031118d80246sm7830492wrs.29.2023.06.22.13.48.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 22 Jun 2023 13:48:29 -0700 (PDT) Content-Type: multipart/mixed; boundary="------------0SHLXjxuKvnU0M5SedwPeHVY" Message-ID: <11a8d10b-6e65-a36e-68c0-9198d845243e@draigBrady.com> Date: Thu, 22 Jun 2023 21:48:28 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: bug#64229: b2sum: heap-overflow in digest_check Content-Language: en-US To: Frank Busse , 64229-done@debbugs.gnu.org References: <20230622173340.0906eb6c@gyali> From: =?UTF-8?Q?P=C3=A1draig_Brady?= In-Reply-To: <20230622173340.0906eb6c@gyali> X-Spam-Score: 0.2 (/) X-Debbugs-Envelope-To: 64229-done X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.8 (/) This is a multi-part message in MIME format. --------------0SHLXjxuKvnU0M5SedwPeHVY Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 22/06/2023 17:33, Frank Busse wrote: > Hi, > > > KLEE reported a heap-overflow in b2sum (Coreutils 9.3). When running it > with: > > $ printf '\n\n0A0BA0' | coreutils-9.3/bin/b2sum -c > > (even '0BA0' seems to work on my machine) ASAN confirms the issue: > >> #1 0x0000000000473de0 in __interceptor_strchr (s=, c=) >> #2 0x0000000000500a81 in digest_check (checkfile_name=0x7fffffffe69e "stdin") at /tmp/src/coreutils-9.3/src/digest.c:1216 >> #3 0x00000000005005e9 in main (argc=3, argv=0x7fffffffe3a8) at /tmp/src/coreutils-9.3/src/digest.c:1607 Nice one. I'll push the attached later to fix this. Marking this as done. thanks, Pádraig. --------------0SHLXjxuKvnU0M5SedwPeHVY Content-Type: text/x-patch; charset=UTF-8; name="b2sum-uar-fix.patch" Content-Disposition: attachment; filename="b2sum-uar-fix.patch" Content-Transfer-Encoding: base64 RnJvbSBiYzVlM2FiMDRjNDU0YzQ0YjZjNGQ3OWI5MDBjMjM2Y2NhMzVlOWFlIE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiA9P1VURi04P3E/UD1DMz1BMWRyYWlnPTIwQnJhZHk/ PSA8UEBkcmFpZ0JyYWR5LmNvbT4KRGF0ZTogVGh1LCAyMiBKdW4gMjAyMyAyMTozMzo1OCAr MDEwMApTdWJqZWN0OiBbUEFUQ0hdIGIyc3VtOiBmaXggVUFSIHdpdGggLS1jaGVjayB3aXRo IG1hbGZvcm1lZCBjaGVja3N1bSBsaW5lcwoKKiBzcmMvZGlnZXN0LmMgKHNwbGl0XzMpOiBS ZWluc3RhdGUgdGhlIGNoZWNrIGZvciB3aGl0ZXNwYWNlIGFmdGVyIHRoZQpkaWdlc3QgcG9y dGlvbiBvZiB0aGUgbGluZSwgc28gdGhhdCB3ZSBleGl0IGVhcmx5IGJlZm9yZSBpbnNwZWN0 aW5nCnRoZSBmaWxlIG5hbWUgd2hpY2ggd291bGQgYmUgb3V0c2lkZSB0aGUgcGFzc2VkIGJ1 ZmZlciBpbiB0aGUgY2FzZQp3aGVyZSB0aGUgaW5wdXQgZG9lcyBub3QgY29udGFpbiBhIG5l d2xpbmUuCiogdGVzdHMvY2tzdW0vYjJzdW0uc2g6IEFkZCBhIHRlc3QgY2FzZS4KKiBORVdT OiBNZW50aW9uIHRoZSBidWcgZml4LgpQcm9ibGVtIHJlcG9ydGVkIGJ5IEZyYW5rIEJ1c3Nl IHVzaW5nIEtMRUUuCkZpeGVzIGh0dHBzOi8vYnVncy5nbnUub3JnLzY0MjI5Ci0tLQogTkVX UyAgICAgICAgICAgICAgICAgfCA0ICsrKysKIHNyYy9kaWdlc3QuYyAgICAgICAgIHwgNCAr KysrCiB0ZXN0cy9ja3N1bS9iMnN1bS5zaCB8IDUgKysrKysKIDMgZmlsZXMgY2hhbmdlZCwg MTMgaW5zZXJ0aW9ucygrKQoKZGlmZiAtLWdpdCBhL05FV1MgYi9ORVdTCmluZGV4IDNlMjI4 MDc3Ny4uM2MxMzRkYjUyIDEwMDY0NAotLS0gYS9ORVdTCisrKyBiL05FV1MKQEAgLTgsNiAr OCwxMCBAQCBHTlUgY29yZXV0aWxzIE5FV1MgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAtKi0gb3V0bGluZSAtKi0KICAgZmFpbCBvbiBmaWxlcyB3aXRoIGlub2RlIG51 bWJlcnMgdGhhdCBkbyBub3QgZml0IGludG8gMzIgYml0cy4KICAgW1RoaXMgYnVnIHdhcyBw cmVzZW50IGluICJ0aGUgYmVnaW5uaW5nIi5dCiAKKyAgJ2Iyc3VtIC0tY2hlY2snIHdpbGwg bm8gbG9uZ2VyIHJlYWQgdW5hbGxvY2F0ZWQgbWVtb3J5IHdoZW4KKyAgcHJlc2VudGVkIHdp dGggbWFsZm9ybWVkIGNoZWNrc3VtIGxpbmVzLgorICBbYnVnIGludHJvZHVjZWQgaW4gY29y ZXV0aWxzLTkuMl0KKwogICAnY3AgLS1wYXJlbnRzJyBhZ2FpbiBzdWNjZWVkcyB3aGVuIHBy ZXNlcnZpbmcgbW9kZSBmb3IgYWJzb2x1dGUgZGlyZWN0b3JpZXMuCiAgIFByZXZpb3VzbHkg aXQgd291bGQgaGF2ZSBmYWlsZWQgd2l0aCBhICJObyBzdWNoIGZpbGUgb3IgZGlyZWN0b3J5 IiBlcnJvci4KICAgW2J1ZyBpbnRyb2R1Y2VkIGluIGNvcmV1dGlscy05LjFdCmRpZmYgLS1n aXQgYS9zcmMvZGlnZXN0LmMgYi9zcmMvZGlnZXN0LmMKaW5kZXggYWIzMjk2OGRiLi44NTFj N2QxMTggMTAwNjQ0Ci0tLSBhL3NyYy9kaWdlc3QuYworKysgYi9zcmMvZGlnZXN0LmMKQEAg LTg2Miw2ICs4NjIsMTAgQEAgc3BsaXRfMyAoY2hhciAqcywgc2l6ZV90IHNfbGVuLAogICB3 aGlsZSAoc1tpXSAmJiAhSVNXSElURSAoc1tpXSkpCiAgICAgaSsrOwogCisgIC8qIFRoZSBk aWdlc3QgbXVzdCBiZSBmb2xsb3dlZCBieSBhdCBsZWFzdCBvbmUgd2hpdGVzcGFjZSBjaGFy YWN0ZXIuICAqLworICBpZiAoaSA9PSBzX2xlbikKKyAgICByZXR1cm4gZmFsc2U7CisKICAg KmRfbGVuID0gJnNbaV0gLSAoY2hhciAqKSAqZGlnZXN0OwogICBzW2krK10gPSAnXDAnOwog CmRpZmYgLS1naXQgYS90ZXN0cy9ja3N1bS9iMnN1bS5zaCBiL3Rlc3RzL2Nrc3VtL2Iyc3Vt LnNoCmluZGV4IDZhMmQxMzAyNC4uNzAxM2I0OTcyIDEwMDc1NQotLS0gYS90ZXN0cy9ja3N1 bS9iMnN1bS5zaAorKysgYi90ZXN0cy9ja3N1bS9iMnN1bS5zaApAQCAtNjEsNiArNjEsMTEg QEAgcHJpbnRmICclc1xuJyAnQkxBS0UyJyAnQkxBS0UyYicgJ0JMQUtFMi0nICdCTEFLRTIo JyAnQkxBS0UyICgnID4gY3Jhc2guY2hlY2sgXAogICB8fCBmcmFtZXdvcmtfZmFpbHVyZV8K IHJldHVybnNfIDEgJHByb2cgLWMgY3Jhc2guY2hlY2sgfHwgZmFpbD0xCiAKKyMgVGhpcyB3 b3VsZCByZWFkIHVuYWxsb2NhdGVkIG1lbW9yeSBmcm9tIGNvcmV1dGlscy05LjIgdG8gY29y ZXV0aWxzLTkuMworIyB3aGljaCB3b3VsZCB0cmlnZ2VyIHdpdGggQVNBTiBvciB2YWxncmlu ZAorcHJpbnRmICcwQTBCQTAnID4gb3ZlcmZsb3cuY2hlY2sgfHwgZnJhbWV3b3JrX2ZhaWx1 cmVfCityZXR1cm5zXyAxICRwcm9nIC1jIG92ZXJmbG93LmNoZWNrIHx8IGZhaWw9MQorCiBk b25lCiAKIEV4aXQgJGZhaWwKLS0gCjIuNDAuMQoK --------------0SHLXjxuKvnU0M5SedwPeHVY-- From unknown Mon Jun 23 09:38:54 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. 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