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 20121C00140 for ; Tue, 2 Aug 2022 22:27:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236225AbiHBW10 (ORCPT ); Tue, 2 Aug 2022 18:27:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236103AbiHBW1W (ORCPT ); Tue, 2 Aug 2022 18:27:22 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 11FD94D4F0 for ; Tue, 2 Aug 2022 15:27:22 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id A16596027A for ; Tue, 2 Aug 2022 22:27:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DB00EC433C1; Tue, 2 Aug 2022 22:27:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1659479241; bh=wummr1yc3t+WGHLllB14nPXUwVQfhdK2VDwX170BN28=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=G3UymtLLWvAGmiesQ7iTGvUK+cIOcQqKNkgfP92e5TQwlHDx67uwyY2mmcKXExaH4 KvcNHmyEBowwTjOxFWqQEoYltftHfR/+9XyU3mCE3RF2IpF/ycCEE1az9aOarLC7o2 2CIcpQS20FvPKNZbB3TX4ioulrgMCDBqc3Y8stVo/VzkX7BCjzZTTfbt3vsaKBfD6p G3eo68VZfY3kqSzpczukzzztBJi0klIYzVY6QkJMAMHyNVsJrp2J7c5/J0PpnLu4CV f/B8KUhuusEBYrsznz1qnSVwCSI6kf0oU3Z3iEXnv0EzWjQHxjOIQvL8x8WHovEAa7 QTymMsDksFtRw== Date: Tue, 2 Aug 2022 15:27:19 -0700 From: Eric Biggers To: syzbot Cc: code@siddh.me, hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] KASAN: use-after-free Read in post_one_notification Message-ID: References: <20220801103533.972-1-hdanton@sina.com> <000000000000c7a83905e52bd127@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000c7a83905e52bd127@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 01, 2022 at 03:54:09AM -0700, syzbot wrote: > Hello, > > syzbot has tested the proposed patch and the reproducer did not trigger any issue: > > Reported-and-tested-by: syzbot+c70d87ac1d001f29a058@syzkaller.appspotmail.com > > Tested on: > > commit: 3d7cb6b0 Linux 5.19 > git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > console output: https://syzkaller.appspot.com/x/log.txt?x=14066d7a080000 > kernel config: https://syzkaller.appspot.com/x/.config?x=70dd99d568a89e0 > dashboard link: https://syzkaller.appspot.com/bug?extid=c70d87ac1d001f29a058 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > > Note: no patches were applied. > Note: testing is done by a robot and is best-effort only. It appears this was already fixed, so no need for any more activity on this bug: #syz fix: watchqueue: make sure to serialize 'wqueue->defunct' properly - Eric