From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 6902423EAB3 for ; Mon, 15 Jun 2026 04:04:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781496269; cv=none; b=QranCRacDjEpgWUMnTwPnXSsgswIxzHotTmd4hpIvUQhMqiSZpYmIfIaY31wsqv2MYVe0LBzYeAxW3SnviHXtj9ihQUJjHhgZYui8khtyVgO42icUYZsFrn+7b3VLE2oLFOd8+8ES39Fkgqd8/tY/WT5LVPqiuqvji/e5+CtQI0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781496269; c=relaxed/simple; bh=GdSSbqirGwVEb3+XR50FC2Q/n5U3DaOt7N3J8xOCGms=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lMbZWXZOK1grcvwFZ/RNftoSQxtxfStpM6kFYcUpcGynBVEPWDFSfSsI7Hy3SLisrltp7RBZWX6Ipoc+ygTEROI0Rvnu/EkIdaGPwE73mXKtsmh4PBQ5wfFmVOye1YB+0/dM4Wjbtwf163gN9AuqmmP82h39K+NFN2RZeKYGBag= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=nkzitA7b; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="nkzitA7b" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 782BF1F000E9; Mon, 15 Jun 2026 04:04:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1781496268; bh=heXdXrV5cv6ZhvRGijoMrYcbGK9zeJk7OrdzcEu2Xsg=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=nkzitA7b1DL0ZoM4L1p+LhOcxr3sE9Lc8Q3pTYGxvUOtR1t8tCs4o16S+e7jV7/YI yqlLMXugLArfMnuE+Dkb7KJkvjrKBY8m+bFoenksXIo37ifB3haq2DtWeTkBbImEZc WiOVOlU7hNcHMaewa7vXclZ0BduzWpuupw2YVLbE= Date: Mon, 15 Jun 2026 06:03:26 +0200 From: Greg KH To: Shuangpeng Bai Cc: vaibhavgupta40@gmail.com, jens.taprogge@taprogge.org, kees@kernel.org, industrypack-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: Re: [BUG] KASAN: slab-use-after-free in ipoctal_write_tty Message-ID: <2026061553-childcare-rush-8f26@gregkh> References: <178144969601.60470.1257088106279546587@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <178144969601.60470.1257088106279546587@gmail.com> On Sun, Jun 14, 2026 at 03:48:50PM -0400, Shuangpeng Bai wrote: > Hi Kernel Maintainers, > > I hit the following report while testing current upstream kernel: > > KASAN: slab-use-after-free in ipoctal_write_tty Cool, do you have this hardware, or is this only virtual testing? If virtual, are you sure that the hardware is being emulated properly? thanks, greg k-h