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[2620:137:e000::1:20]) by mx.google.com with ESMTP id lb5-20020a17090b4a4500b0022bb4d6f7casi6350690pjb.131.2023.01.21.12.33.11; Sat, 21 Jan 2023 12:33:16 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229566AbjAUUTq (ORCPT + 50 others); Sat, 21 Jan 2023 15:19:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229523AbjAUUTo (ORCPT ); Sat, 21 Jan 2023 15:19:44 -0500 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A0B723C5E for ; Sat, 21 Jan 2023 12:19:20 -0800 (PST) Received: by mail-il1-f198.google.com with SMTP id g1-20020a92cda1000000b0030c45d93884so5954430ild.16 for ; Sat, 21 Jan 2023 12:19:20 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Pe29fqGB5jw0Lc13jqigdvwWKgCeBel/2NyFQTzRKFU=; b=xgkXgvCvXWH4F/M/tSF5/c1ynKoV1b4dONmt638vea66239V5GRzGlBZRF0kUqz+EP 9eMvwq5125Y0BE6LjClKlwU4UmSiWDVqPkJOdA/YsUlPxoWe+V1Pe3deqLUDQKZgZMH4 yE4fT3PGPiqE8d3FQgF8JAUor025ukUJ9ML2OiH7GAdMyT+yzCN+sFQCrSJJ0hSBE+cI kl7XFLezIQNm1whvZ4cEanW6gUQgZtocnSXvHCHTQ4yC1HRcVAZw0kGRYq4k7snmZmgc rrc/ZsCTcuv0/u4fAuFGP5X6nDzOCrV4yVvmUNXIeASOxi973ojcRCBZki8+XiCvaene g9rQ== X-Gm-Message-State: AFqh2kp5j/5V+J4w8PRFjhqrEGfQ+r03tJhOriHIfrfRkQ36xa9YIe8s 8UH9si7JMxqNFwwWMbtozzNARAuTS4IMXfq742guPB8QXPUG MIME-Version: 1.0 X-Received: by 2002:a05:6638:24c:b0:3a6:c95:e160 with SMTP id w12-20020a056638024c00b003a60c95e160mr1517664jaq.34.1674332359101; Sat, 21 Jan 2023 12:19:19 -0800 (PST) Date: Sat, 21 Jan 2023 12:19:19 -0800 In-Reply-To: <0000000000004ab8ac05ef9b1578@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000008016d805f2cbe102@google.com> Subject: Re: [syzbot] [xfs?] KASAN: stack-out-of-bounds Read in xfs_buf_lock From: syzbot To: akpm@linux-foundation.org, dan.j.williams@intel.com, djwong@kernel.org, hch@lst.de, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-xfs@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.9 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit 679a99495b8fda800037b25af8cd990eb7dd72c9 Author: Christoph Hellwig Date: Mon Nov 29 10:21:41 2021 +0000 xfs: factor out a xfs_setup_dax_always helper bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17708805480000 start commit: 7dd4b804e080 Merge tag 'nfsd-6.2-3' of git://git.kernel.or.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=14f08805480000 console output: https://syzkaller.appspot.com/x/log.txt?x=10f08805480000 kernel config: https://syzkaller.appspot.com/x/.config?x=2b6ecad960fc703e dashboard link: https://syzkaller.appspot.com/bug?extid=0bc698a422b5e4ac988c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10c58bd2480000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11cc664a480000 Reported-by: syzbot+0bc698a422b5e4ac988c@syzkaller.appspotmail.com Fixes: 679a99495b8f ("xfs: factor out a xfs_setup_dax_always helper") For information about bisection process see: https://goo.gl/tpsmEJ#bisection