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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 3562EC5DF60 for ; Thu, 7 Nov 2019 13:44:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 073842077C for ; Thu, 7 Nov 2019 13:44:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389687AbfKGNoR (ORCPT ); Thu, 7 Nov 2019 08:44:17 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:42447 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728756AbfKGNmG (ORCPT ); Thu, 7 Nov 2019 08:42:06 -0500 Received: by mail-io1-f71.google.com with SMTP id w1so1863664ioj.9 for ; Thu, 07 Nov 2019 05:42:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=Ri77hDWlxGadNlCgJxRYuckJ2NfPljUNUsSx9eNtzWk=; b=OqrigH+FnddswXKOD7l/XrvHO/T4/Y8x1AP02dIYXMOirbf7mibwaRU2CqPAjco/pf Sai6I1d7XlefZbLdJvpHy37Gs1iqnP6+2ThW+FO+qvolUVpKBz/t+aERxkraRzNYU2Ev ml5PJ3ZdE2wIxed5Y/8iNVcRy220z/S6Ki+PSKTbz9U2YHKHbnDhGEuI9AP3rqk5Z8V2 rn8D0nPk59CgzdoiFfZ7TlMfNAj7RCm9Dirm/5+LoZ8614m5S7yH9Kinb87CicBqWjnK PBRJxzVUHOQETACZ7dDYyJZ4jUgB7x+NabAUdOPTX78WHJNXSy4uRM6zzeRkk9b2LlRH HuQw== X-Gm-Message-State: APjAAAVZ7SqHtsxL1ni3PyA5PSip9HDK5yW3QnYfJWobi2JC9NdsMj29 iwqG5OOnki7vco6xHbkHwH3bci/m8OEy6C9RD1L9LKfuMDQZ X-Google-Smtp-Source: APXvYqyiaX/HBm4ThpNYBtRUCy00rdSftcGU05xFPcVkDJFu3QBgix3u6xPkEYXW5FgMlBBunB3dqautQmieoQX2FODxU5sVo2Dy MIME-Version: 1.0 X-Received: by 2002:a5d:87c4:: with SMTP id q4mr3589286ios.136.1573134124843; Thu, 07 Nov 2019 05:42:04 -0800 (PST) Date: Thu, 07 Nov 2019 05:42:04 -0800 In-Reply-To: <001a113ed49eb535d20568bb75ba@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b207e60596c1d413@google.com> Subject: Re: KASAN: slab-out-of-bounds Read in find_first_zero_bit From: syzbot To: aivazian.tigran@gmail.com, akpm@linux-foundation.org, dmitri.vorobiev@gmail.com, gregkh@linuxfoundation.org, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, pombredanne@nexb.com, snakebyte@gmx.de, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, tigran@aivazian.fsnet.co.uk, torvalds@linux-foundation.org, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this bug was fixed by commit: commit d1877155891020cb26ad4fba45bfee52d8da9951 Author: Tigran Aivazian Date: Thu Jan 3 23:28:14 2019 +0000 bfs: extra sanity checking and static inode bitmap bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16634ee8600000 start commit: b5dbc287 Merge tag 'kbuild-fixes-v4.16-3' of git://git.ker.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=d9b0d91297e224bc dashboard link: https://syzkaller.appspot.com/bug?extid=a88c8270030dc5d71e4f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16cf65d3800000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16d99ab3800000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: bfs: extra sanity checking and static inode bitmap For information about bisection process see: https://goo.gl/tpsmEJ#bisection