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 63256C433F5 for ; Tue, 22 Mar 2022 21:03:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234820AbiCVVEj (ORCPT ); Tue, 22 Mar 2022 17:04:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51694 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232865AbiCVVEh (ORCPT ); Tue, 22 Mar 2022 17:04:37 -0400 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F55A13E92 for ; Tue, 22 Mar 2022 14:03:07 -0700 (PDT) Received: by mail-il1-f197.google.com with SMTP id z15-20020a92d6cf000000b002c811796c23so4326928ilp.3 for ; Tue, 22 Mar 2022 14:03:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=A7UVHLa5gEcZxIqWogg32nPbf3+g0qv3P5D2guYzwY4=; b=PNQ+eSckMFLsFfqAosYnfATn6fJ3OjMeXwS6kyi43JXmLZX0O4G5MW0kCpJmoPTpy3 6gyiv8lZHZ55HChMKPdYg5o5SeePBipVhnIIO2axprAh7E8fB9nLE7Y+tE07db9aSlLR pbem9xUOqHYEwBjsyLLCZUMh3zfNEYg8m44rr84qt1eri7hMKbV7UXNY8pg5mH5HADPi OoSE+BNZ5LEKpADcae5yM4Sl2bRj80CHarvyexwvCCEsow4+lxeA5z7MZmjm0kKZDrXs 9hgOncBgPF852SuJQQ9OEg3STa+Bp0O/RD55GHH8f44nXNP4bLA1F6Xo5R4dQI4mulNN 4Z2A== X-Gm-Message-State: AOAM533WFNRrErAmkhl5Fj+/LR2jKdUCePBoUrh0vKTLz/Ao+Bgi1pLw rUluP81B4OSXNuG9WzaYiae4eYxu5+Kz4ck/J7hKCQF4J63d X-Google-Smtp-Source: ABdhPJwOfvu/x2/eqvCqjcEw4w1ZMKJoI29/lmOcDU7xrUFNR8S2tLZ5XFHn2Mb7ejfSZWlcNOOTFpKWGoNgGamzY32N5Dvw4jq9 MIME-Version: 1.0 X-Received: by 2002:a6b:1495:0:b0:645:b115:611c with SMTP id 143-20020a6b1495000000b00645b115611cmr13475591iou.199.1647982986421; Tue, 22 Mar 2022 14:03:06 -0700 (PDT) Date: Tue, 22 Mar 2022 14:03:06 -0700 In-Reply-To: <0cd64678-f4de-0e30-87d2-01f32311ee98@kernel.dk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000806a2d05dad4f0e1@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in tty_release From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, gregkh@linuxfoundation.org, io-uring@vger.kernel.org, jirislaby@kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+09ad4050dd3a120bfccd@syzkaller.appspotmail.com Tested on: commit: 7d58de1a io_uring: don't recycle provided buffer if pu.. git tree: git://git.kernel.dk/linux-block for-5.18/io_uring kernel config: https://syzkaller.appspot.com/x/.config?x=e8bdba3010ab9145 dashboard link: https://syzkaller.appspot.com/bug?extid=09ad4050dd3a120bfccd 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.