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 0E431238C0A; Mon, 15 Jun 2026 02:40:36 +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=1781491238; cv=none; b=P9wk7Y4wCcWaJZhFdq8tI5q0+XdqGMgmGvOSX30nBcR+tyH5lV4Z73Dez0Mc8CHLQYK4ViSSAFxCygCx1OABHIq2ERT4HGy4dS8xkkDr052xaAJV5Dl9CeysDQb5Eu+L3VJGB86oJgAgfp9lptm9hPIsvqxnbOsnfL5YV6yb8CA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781491238; c=relaxed/simple; bh=cFZ1RMreZvfQfrvQojsqOzBrVkK/dhrqYnY353EAW+8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=poDb3D+fd2gEz400yfLAQOnvu2Rx0f6nXGd8LxdRBlOWovg+YD0tySC9vsVYCltUSWiW+Mk3M5LhOW+x5htE5ZBEEb9l5lnH/mc7kdHFokVgQosOKyEusdjk0gMt/nrysMTJtSSRiNEcSo3na+5ilcgc+E03bKW/7oqaVtpRGdo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=epTzugAK; 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="epTzugAK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 295001F000E9; Mon, 15 Jun 2026 02:40:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1781491236; bh=MFM2GV/KQC+RCX2dTE8nz0VPfJDbQwI8pxfLack5p70=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=epTzugAKQyJtXJZl0vMeovcDINeQhOF8q0KPBdQ5thq7bFhS1Kd2UUNCQ5hT5B7/N jBIjejlZHHUnTaBoBGpJWE998ne8rxwmxqRNvQvr9wV97YxcU/nz5L45g/BS5fbe9L wwOq9flFXKsl6mq8bd/L9/n7iiKqKqGVR6OleL0I= Date: Mon, 15 Jun 2026 04:39:36 +0200 From: Greg KH To: Shuangpeng Bai Cc: mani@kernel.org, kwilczynski@kernel.org, kishon@kernel.org, arnd@arndb.de, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [BUG] KASAN: slab-use-after-free in pci_endpoint_test_ioctl Message-ID: <2026061553-fifty-qualified-2e04@gregkh> References: <178144969601.60470.7358419009914000395@gmail.com> Precedence: bulk X-Mailing-List: linux-pci@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: <178144969601.60470.7358419009914000395@gmail.com> On Sun, Jun 14, 2026 at 06:16:39PM -0400, Shuangpeng Bai wrote: > Hi Kernel Maintainers, > > I hit the following report while testing current upstream kernel: > > KASAN: slab-use-after-free in pci_endpoint_test_ioctl > > I reproduced this on commit: e8c2f9fdadee7cbc75134dc463c1e0d856d6e5c7 (May 25 2026) > > The reproducer and .config files are here. > https://gist.github.com/shuangpengbai/1e03464adfefbb75fb5d8112691e38b3 > > I'm happy to test debug patches or provide additional information. As we are drowning in real/fake/unknown bug reports, why not take the time to work on a patch to fix these issues as you have a reproducer for them? That way you get full credit for the fix. thanks, greg k-h