From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5D3DBC001DD for ; Thu, 13 Jul 2023 18:24:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231865AbjGMSYX (ORCPT ); Thu, 13 Jul 2023 14:24:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40062 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229611AbjGMSYV (ORCPT ); Thu, 13 Jul 2023 14:24:21 -0400 Received: from mail-lf1-x12d.google.com (mail-lf1-x12d.google.com [IPv6:2a00:1450:4864:20::12d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 583432D47; Thu, 13 Jul 2023 11:24:20 -0700 (PDT) Received: by mail-lf1-x12d.google.com with SMTP id 2adb3069b0e04-4fa48b5dc2eso1847343e87.1; Thu, 13 Jul 2023 11:24:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1689272658; x=1691864658; h=in-reply-to:from:references:to:content-language:subject:user-agent :mime-version:date:message-id:from:to:cc:subject:date:message-id :reply-to; bh=5ZM9IKkzNQVcX/YPOWYv1qyHnYAChxmvUSggSWR8eOo=; b=XEWifCyJZdiO8NJzQJHJBV8lj/qKPWni5Z48P740idijiZM9UzUBmXI6x8lhHyBmcS YW7R86YG4trdvBLSuN21heQVvNet/wwz3pqdyvSxxJzXB247EkNvORqObe8PSHu9/Lh3 eMj5dIhhg3QLwvjsAtkqTBfxZj8A7okc4cymthM6W4+10Ydfu+v90DNvKlMCbCkn4mS4 xCGCRqz1hXeIA+3nZD2X/OQX3VxqBlmyjlFr51enTpz0iRRCOufb+rySC+LD4dfl8fe4 JlHr1AuGHGOfTwyj89W3k3ciuHvy2nwt5TrX9DxA8Bglqu6yDwop2aG3VZcn08Vos3jB +8iQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689272658; x=1691864658; h=in-reply-to:from:references:to:content-language:subject:user-agent :mime-version:date:message-id:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to; bh=5ZM9IKkzNQVcX/YPOWYv1qyHnYAChxmvUSggSWR8eOo=; b=IcPyF87X0e2EtDAQTOu7Dj8EaJLOLMpqMgXlEizmey+bJ/b9nLCqmJmbrMDiFEYn2x wcm8CePOsyN26h67LAo67raJt9AN/eR9T79GtCmZrRjzuBqL1ZzPakyU3cvk3BNqsJPj xZ3g+soBbTfzVncJtOio1C3vJc0oukOTNu7Z8rM84fk/9qSMpgipqvv2tjk7gYpt8hzp bvVPdBG9dAnbGR6H2MxwM/vMI+epsU4RdCPmG8eRwMVzFV9Kf6tqGNZsbF1cy9V2Xo+6 54BDvcr7rwerJhnWOYWp13jQOZmHz37AL0SvrSOhpFrRtyMF7XBd5tttasgEbeJR5i0s tX1A== X-Gm-Message-State: ABy/qLZQskxh43ydh5GBS7kZjFPQvcY0co4PFYnTdVSnk2zOivYDdwRO 1NFyWZTlKl/vRM5dW4ONIMo= X-Google-Smtp-Source: APBJJlHo/B6rAzHN6EqtIhLt/a16/7UQ9pxFGEg/OM/8DXSHia5tlo8/0c3GJF1QtZA6VUQKKDH6EQ== X-Received: by 2002:a05:6512:3d1a:b0:4f8:58ae:8ea8 with SMTP id d26-20020a0565123d1a00b004f858ae8ea8mr2007147lfv.58.1689272658182; Thu, 13 Jul 2023 11:24:18 -0700 (PDT) Received: from ?IPV6:2a00:1370:8180:6b00:a1a8:4887:1af4:637a? ([2a00:1370:8180:6b00:a1a8:4887:1af4:637a]) by smtp.gmail.com with ESMTPSA id v22-20020ac25596000000b004fb745fd21esm1193749lfg.122.2023.07.13.11.24.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 13 Jul 2023 11:24:17 -0700 (PDT) Content-Type: multipart/mixed; boundary="------------p02ftcxQI3q46laEXz8xbUKm" Message-ID: Date: Thu, 13 Jul 2023 21:24:16 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [syzbot] [ntfs3?] KASAN: use-after-free Read in bcmp Content-Language: en-US To: syzbot , almaz.alexandrovich@paragon-software.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, nathan@kernel.org, ndesaulniers@google.com, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com, trix@redhat.com References: <0000000000009467500600449f6c@google.com> From: Pavel Skripkin In-Reply-To: <0000000000009467500600449f6c@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. --------------p02ftcxQI3q46laEXz8xbUKm Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi Syzbot, Syzbot says: > Hello, > > syzbot found the following issue on: > > HEAD commit: 8689f4f2ea56 Merge tag 'mmc-v6.5-2' of git://git.kernel.or.. > git tree: upstream > console+strace: https://syzkaller.appspot.com/x/log.txt?x=1658af44a80000 > kernel config: https://syzkaller.appspot.com/x/.config?x=15873d91ff37a949 > dashboard link: https://syzkaller.appspot.com/bug?extid=53ce40c8c0322c06aea5 > compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12f82688a80000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12d54a78a80000 > #syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master With regards, Pavel Skripkin --------------p02ftcxQI3q46laEXz8xbUKm Content-Type: text/plain; charset=UTF-8; name="ph" Content-Disposition: attachment; filename="ph" Content-Transfer-Encoding: base64 ZGlmZiAtLWdpdCBhL2ZzL250ZnMzL3N1cGVyLmMgYi9mcy9udGZzMy9zdXBlci5jCmluZGV4 IDFhMDIwNzJiNmIwZS4uZTA0ZTg5YjczMzVlIDEwMDY0NAotLS0gYS9mcy9udGZzMy9zdXBl ci5jCisrKyBiL2ZzL250ZnMzL3N1cGVyLmMKQEAgLTg1NSw2ICs4NTUsMTEgQEAgc3RhdGlj IGludCBudGZzX2luaXRfZnJvbV9ib290KHN0cnVjdCBzdXBlcl9ibG9jayAqc2IsIHUzMiBz ZWN0b3Jfc2l6ZSwKIAogY2hlY2tfYm9vdDoKIAllcnIgPSAtRUlOVkFMOworCisJLyogQ29y cnVwdGVkIGltYWdlOyBkbyBub3QgcmVhZCBPT0IgKi8KKwlpZiAoYmgtPmJfc2l6ZSAtIHNp emVvZigqYm9vdCkgPCBib290X29mZikKKwkJZ290byBvdXQ7CisKIAlib290ID0gKHN0cnVj dCBOVEZTX0JPT1QgKilBZGQyUHRyKGJoLT5iX2RhdGEsIGJvb3Rfb2ZmKTsKIAogCWlmICht ZW1jbXAoYm9vdC0+c3lzdGVtX2lkLCAiTlRGUyAgICAiLCBzaXplb2YoIk5URlMgICAgIikg LSAxKSkgewo= --------------p02ftcxQI3q46laEXz8xbUKm--