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 0903FC433FE for ; Thu, 29 Sep 2022 09:27:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234420AbiI2J1r (ORCPT ); Thu, 29 Sep 2022 05:27:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50930 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234861AbiI2J1q (ORCPT ); Thu, 29 Sep 2022 05:27:46 -0400 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C6C6C14597D for ; Thu, 29 Sep 2022 02:27:44 -0700 (PDT) Received: by mail-io1-f70.google.com with SMTP id e9-20020a6b7309000000b006a27af93e45so369083ioh.9 for ; Thu, 29 Sep 2022 02:27:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date; bh=3rnofjxYuMLNQKQGEXkSsKh61oqRxR3JYXNg07PZbaA=; b=rkJ/VG5uLke4J+TRnFSgwTmTLlRrHoMDBtDnogjCFkooyk41c/4F+78w2VooOkc+se Z+8W1n3Qq8ys+RuLiP6pqwZcORfEGveGChQqZH4gERsE+UuHSQd2hxW6IYUYQ/SfVF0w ecVSi3a0Cq+vtEErx2jxpsUUmtJHOQWCXHs2R3CxLn3g7EPvqDaMN32e7Twh0inEosjp zq8cA8NDjTz06cMnhlTWMNaOXDsqwOdjxXHxNorV3lzr3E57ngDTn8w4EcgBZnU2Ajpi iP+JSab5UqUFldDDiulOjKdhkjbjQYzEZjli4/hx7AZxR2O9+Ae53vS7vRXM0B8E423y l2Jw== X-Gm-Message-State: ACrzQf1qAbw+gTJIjRfWpjfeIfIg9IJNlJEAlOcYQYfUkewhxTzdc9YT 3+LVuQLxUFkjJughc7bm06w70l/oBQnC32GtGeb1NoaUiKQX X-Google-Smtp-Source: AMsMyM4PS2lcOPagpguHu9CFdnAr3H91sKtWgWyWh5qqkW5219kt3wrG0A7LaRnG2GHbKpLPeDc42bSI+vDDp2LnGaEyEAqtJKaB MIME-Version: 1.0 X-Received: by 2002:a02:6d4b:0:b0:35a:40a6:5730 with SMTP id e11-20020a026d4b000000b0035a40a65730mr1299771jaf.198.1664443663854; Thu, 29 Sep 2022 02:27:43 -0700 (PDT) Date: Thu, 29 Sep 2022 02:27:43 -0700 In-Reply-To: <673033a0-de29-f05f-b7c0-abf3d108b9e6@suse.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000055321905e9cd7db5@google.com> Subject: Re: [syzbot] KMSAN: uninit-value in idmouse_open From: syzbot To: Oliver Neukum Cc: linux-usb@vger.kernel.org, oneukum@suse.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org > > > On 19.09.22 10:21, syzbot wrote: >> Hello, >> >> syzbot found the following issue on: >> >> HEAD commit: ce8056d1f79e wip: changed copy_from_user where instrumented >> git tree: https://github.com/google/kmsan.git master >> console output: https://syzkaller.appspot.com/x/log.txt?x=16a02941900000 >> kernel config: https://syzkaller.appspot.com/x/.config?x=3afe005fb99591f >> dashboard link: https://syzkaller.appspot.com/bug?extid=79832d33eb89fb3cd092 >> compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) >> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=165e850e900000 >> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=123a8c96900000 >> >> IMPORTANT: if you fix the issue, please add the following tag to the commit: >> Reported-by: syzbot+79832d33eb89fb3cd092@syzkaller.appspotmail.com > > #syz test https://git.kernel.org/pub/scm/linux/kernel/git/greg/usb.git KMSAN bugs can only be tested on https://github.com/google/kmsan.git tree because KMSAN tool is not upstreamed yet. See https://goo.gl/tpsmEJ#kmsan-bugs for details. > ce8056d1f79e