From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 722717464; Fri, 7 Mar 2025 00:26:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741307164; cv=none; b=JTloT51ZgunLJ3gcjes5jQKokj+smZ6nei/+OSPqqrDjiEt1Jh/6dNZrpeif85OSRq+0ZLUBEef1BqjYQqr6hgESNgJyPt+cy1/cURwqRhYTsgNslxOY4nsI/hvUoyvbOZyArLtBvR5TLqA9yAWTko/eqL5ivhxDnVtQlAPiSsQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741307164; c=relaxed/simple; bh=eBsDNEUWdffyGJJ47jDOZ2DY6q3Bcjg6RjIoTLAUQiU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=SdYbFGujxya3i8JSOU60GvQZ3Kq1/Dgk4APd4bjfZApZjlrbMJkDcG/0bEhB3Vl484MTzGx/pfBslzqwdlkhR23UvpRLHxl8ToJLJ9SVVk0aRcPTzkOhMBalQcVuf061hld3CxhRvTG6ZScJ5wnsSMCz6/Bq3CJHxFQl/exMF74= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ATGdgcI5; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ATGdgcI5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B5D00C4CEE0; Fri, 7 Mar 2025 00:26:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741307163; bh=eBsDNEUWdffyGJJ47jDOZ2DY6q3Bcjg6RjIoTLAUQiU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ATGdgcI5svBZKvg/rCQ8JSOVcUyHHj1NwT0rFobnPoZS4kXvqEYVJ9Z6iTTmbhkyt rPXRa9gm4wZapxFKwookb0PiYZrtdcJAtJJXBHCpyPf+zwsy98dwQf85pY40Vpheco rtfwfDPKYLBhMI2qsZwlcB1sBI7lxcMVnraNZXZPnF+UdaRGbomYp8jtIrQaP7jJrS Wydk583jedDKc5uwXBvGEfMoNi63U+fuaYjWRi9v1kR6mERrrjzIxrb+S2sDphNoVb ERg6s7qavu+3OB43L1ryt1XCqQJ1F8a/YoVDN8hJKEW9YAsixBi2KR46co0WqAmkmg lzDG0ca42u/TA== Date: Fri, 7 Mar 2025 00:25:38 +0000 From: Eric Biggers To: syzbot Cc: johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, luiz.dentz@gmail.com, marcel@holtmann.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Read in l2cap_connect_cfm Message-ID: <20250307002538.GA302609@google.com> References: <6761bbbd.050a0220.29fcd0.0075.GAE@google.com> <67ca3c79.050a0220.15b4b9.0072.GAE@google.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <67ca3c79.050a0220.15b4b9.0072.GAE@google.com> On Thu, Mar 06, 2025 at 04:23:21PM -0800, syzbot wrote: > syzbot has found a reproducer for the following issue on: > > HEAD commit: f66d6acccbc0 Merge tag 'x86_urgent_for_v6.12' of git://git.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=1666b2e8580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=ca2f08f822652bd0 > dashboard link: https://syzkaller.appspot.com/bug?extid=e9abaabc441d3dd18735 > compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 > > Unfortunately, I don't have any reproducer for this issue yet. Maybe this will stop the spam: #syz invalid