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 X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A9C08C4332F for ; Wed, 15 Sep 2021 09:51:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 91EBF61251 for ; Wed, 15 Sep 2021 09:51:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237335AbhIOJwa (ORCPT ); Wed, 15 Sep 2021 05:52:30 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:41976 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237301AbhIOJwY (ORCPT ); Wed, 15 Sep 2021 05:52:24 -0400 Received: by mail-io1-f72.google.com with SMTP id s22-20020a5e98160000b02905afde383110so1373208ioj.8 for ; Wed, 15 Sep 2021 02:51:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=OaUs54KYE2dDB55GtbB/YxbBBPa+RBaXGRBRYMoLDKU=; b=lD2doA+UZvWWAG88xaNU9YL2/qrCqEPoY5pqL5afYTk6MlC3WcL1U5OZ618v2dDkgV A7/fS/WPXBfeDFzXm+gmlgBHVW5c5reG1M3sTh+F62+T+OTnmzXv/9P3szXu/WGMI6su NIvzFTvvKF83dF0TGK0t5L/HusJZDEQljkDyWHybTXMdAXgySaKTvSRhBcp4GAHCHBZr O2zRE1Xy+A0139X7AT+2JwlfX6dvU9KWDuFsVGLGTS3tAq7bVrNnyK/0/BtQbpV2lZgT KaOJZrMrKNuWwdvZwQiPfdt91JJmGJ3/n60AZWStO417XIVZmI4XlsTMj6s7mzIZv4Sx RcKA== X-Gm-Message-State: AOAM530DIZGLMrdwvrT+GhvdZqy+P4s4fteTkJo+0MTZSdFO4eUvtODW 6qTFPXbJpc5g41+ac1xPVijgCmvi8g1qjGDA1w6GdGCB/c7V X-Google-Smtp-Source: ABdhPJxjyFHohDbIEXYdADd0QU860qw30kCuDJ3L5SMpqY/Ye8pmCqxqNT1+TDyRuqO1aqUby62HwN40PgfqFyKNbZdzfBLlMBT7 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:dce:: with SMTP id l14mr10147510ilj.272.1631699466084; Wed, 15 Sep 2021 02:51:06 -0700 (PDT) Date: Wed, 15 Sep 2021 02:51:06 -0700 In-Reply-To: <000000000000a5339205c9e53883@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000e753105cc05a31d@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in h4_recv_buf From: syzbot To: johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, luiz.dentz@gmail.com, marcel@holtmann.org, stephen.s.brennan@oracle.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit 0766ec82e5fb26fc5dc6d592bc61865608bdc651 Author: Stephen Brennan Date: Wed Sep 1 17:51:41 2021 +0000 namei: Fix use after free in kern_path_locked bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14b29973300000 start commit: 7c60610d4767 Linux 5.14-rc6 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=f61012d0b1cd846f dashboard link: https://syzkaller.appspot.com/bug?extid=a06c3db558cbb33d7ff9 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=147f96ee300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=112b3629300000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: namei: Fix use after free in kern_path_locked For information about bisection process see: https://goo.gl/tpsmEJ#bisection