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 D7640C4332F for ; Wed, 14 Dec 2022 15:19:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238769AbiLNPT4 (ORCPT ); Wed, 14 Dec 2022 10:19:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38696 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238761AbiLNPTx (ORCPT ); Wed, 14 Dec 2022 10:19:53 -0500 Received: from netrider.rowland.org (netrider.rowland.org [192.131.102.5]) by lindbergh.monkeyblade.net (Postfix) with SMTP id C01641146C for ; Wed, 14 Dec 2022 07:19:52 -0800 (PST) Received: (qmail 927420 invoked by uid 1000); 14 Dec 2022 10:19:51 -0500 Date: Wed, 14 Dec 2022 10:19:51 -0500 From: Alan Stern To: syzbot Cc: gregkh@linuxfoundation.org, hbh25y@gmail.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mingo@kernel.org, rdunlap@infradead.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] KASAN: use-after-free Write in gadgetfs_kill_sb Message-ID: References: <00000000000066fb0905efc09dd1@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <00000000000066fb0905efc09dd1@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Tue, Dec 13, 2022 at 06:37:17PM -0800, syzbot wrote: > Hello, > > syzbot has tested the proposed patch and the reproducer did not trigger any issue: > > Reported-and-tested-by: syzbot+33d7ad66d65044b93f16@syzkaller.appspotmail.com I'll take this as an indication that the previously reported RCU stall was caused by something unrelated to the patch. The patch will get submitted in the next few days. Alan Stern > > Tested on: > > commit: 830b3c68 Linux 6.1 > git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ > console output: https://syzkaller.appspot.com/x/log.txt?x=10f5988b880000 > kernel config: https://syzkaller.appspot.com/x/.config?x=5a194ed4fc682723 > dashboard link: https://syzkaller.appspot.com/bug?extid=33d7ad66d65044b93f16 > compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 > patch: https://syzkaller.appspot.com/x/patch.diff?x=12208bc0480000 > > Note: testing is done by a robot and is best-effort only.