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=-0.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 3FEBA13F6DFF for ; Mon, 30 Jul 2018 14:19:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C70A520870 for ; Mon, 30 Jul 2018 14:19:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C70A520870 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731728AbeG3PyS (ORCPT ); Mon, 30 Jul 2018 11:54:18 -0400 Received: from mail-io0-f197.google.com ([209.85.223.197]:49033 "EHLO mail-io0-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731288AbeG3PyS (ORCPT ); Mon, 30 Jul 2018 11:54:18 -0400 Received: by mail-io0-f197.google.com with SMTP id t11-v6so8997992iog.15 for ; Mon, 30 Jul 2018 07:19:05 -0700 (PDT) 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:message-id:subject:from:to; bh=mFWQLQS38+99n/rbYfQEwk0gxsLB1oBBMdoRmTOakro=; b=mv5hi3U6pcY/WMd5s5hOXcdv5+ux/NWlA6wNkNNvyeLnI5ZAd1B+Ct2SY8oRX9QnF0 dZf8wTkj3UwS34VqzCTzyLQCgrqscpnTlHZpBFAgpg4hcP4oIPJ1Kf1tB8je0q9e5uIp MtjBlPZe5mkN8GsZniqFXRC/OPqhaMwvFXQe1Ltq6Gi7+VOr3XDdE+5bAs3oF/NlGJJN hsmUshrxjuZuSqsYl9/pMmvB7tYjY/qdKdTjs8Auyub7M0YatY9QhrIqQ1/wE3jPXB4T 8dRdFeZFYeALZn7T8sUiu3QQmTaTzjjKyAITziAtfomur4vGevWPOrLCf8NivU44l4np k49g== X-Gm-Message-State: AOUpUlG4pPbsw1mu5+SvXT8gbHNbnuBrLZ09Gyv4DQShESKqB1ndYGDf LY/TdeqGgmdMFOTHiOuaRzpiiBLYVdTuh6vfNhmXGpnMutxo X-Google-Smtp-Source: AAOMgpd4fCLoh/GVZytNNCbIzJSgbVOGrQmYnoYj7SXc8u8nM9s4wlBg0NpxjeSGdRbUKspwNl2R1CCsJo0JvtrXEgGduMuP2zUT MIME-Version: 1.0 X-Received: by 2002:a24:45db:: with SMTP id c88-v6mr7914983itd.41.1532960344913; Mon, 30 Jul 2018 07:19:04 -0700 (PDT) Date: Mon, 30 Jul 2018 07:19:04 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d0429205723824d8@google.com> Subject: KASAN: slab-out-of-bounds Write in end_requests From: syzbot To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, miklos@szeredi.hu, syzkaller-bugs@googlegroups.com 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 Hello, syzbot found the following crash on: HEAD commit: dd63bf22fccd Merge branch 'i2c/for-current' of git://git.k.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10b9c770400000 kernel config: https://syzkaller.appspot.com/x/.config?x=ffb4428fdc82f93b dashboard link: https://syzkaller.appspot.com/bug?extid=cd4b9b3648c78dbd7fca compiler: gcc (GCC) 8.0.1 20180413 (experimental) syzkaller repro:https://syzkaller.appspot.com/x/repro.syz?x=11b9732c400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16c469a4400000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+cd4b9b3648c78dbd7fca@syzkaller.appspotmail.com ================================================================== BUG: KASAN: slab-out-of-bounds in end_requests+0x37b/0x460 fs/fuse/dev.c:2042 Write of size 4 at addr ffff8801c71b2fe4 by task syz-executor467/7211 CPU: 0 PID: 7211 Comm: syz-executor467 Not tainted 4.18.0-rc6+ #166 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 ? dump_stack_print_info.cold.2 --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches