From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f174.google.com (mail-pl1-f174.google.com [209.85.214.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BFBC214287 for ; Wed, 4 Dec 2024 17:39:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733333944; cv=none; b=gqCcp7vzTq4jEvh7ixE1DXr/Uz5BTYGoSO4CHU8J2S1iu9MVvq0+WujbvZNRr1I9CjymG3lhusvKkt16MaGbhHTpc77JPAh09m9IhxA/boqB6DsVY4dfN0QApUt+wxsSkveLpnGg772q4/8Znust57c3k5RsMoNhQQwL+7rg49Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733333944; c=relaxed/simple; bh=Wv3xb61sc0ZFwM1CF09p6Z+3FQpIIW1chil23ZovVVw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ACQZazakEF0xfd7spBnMiFyVH9UaLFH3wgyUuMqEQgAYd8R/qhCUmX07rR42uB6mphYwi7d6P5uPnVh04Aw8eP5NT4sWTNQc348i6syktvFPFurkwR7djg4FDRg7FYnTsFtsX9siwssestfLLQ05C+ZvxdGwyHfHPYg+3EfsU+Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk; spf=pass smtp.mailfrom=kernel.dk; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b=W7Nak71G; arc=none smtp.client-ip=209.85.214.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.dk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b="W7Nak71G" Received: by mail-pl1-f174.google.com with SMTP id d9443c01a7336-2155312884fso126475ad.0 for ; Wed, 04 Dec 2024 09:39:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20230601.gappssmtp.com; s=20230601; t=1733333941; x=1733938741; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=VFClu+Hvt7amMncVjBqzTSbdie8DwUy5v4UirHChi6g=; b=W7Nak71GxErBNvtcimNa4VzT2MQVv8KeCc4r6NA8V5RGLl6W4uH4RqW8dMQpTmj0ms N8FLwLqebjg4aNgqfmGgnNfvK1r74p6rpT5YeGrV29Fg5mxeIU19Mxu+ivJf6wTDi5gO Cxb1wXFoCIWxD6aGK/uyTxkkKylZ81H9n+CaQlxmp98Srm1OzgZYLD4bi+3lQ8lLx3Zh DKRli7GZr+keCcj2W7+yY29+xL3+H3M2uoVERDRug50wgNQ5HMhklatb7kcn0TxNAVpC E29z3Hj6BcLobsk3o/qrY81CLe5+prheRkDjedMaQFE9Ydu4i6enyrFa0MyDlzpDct6K Ct7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733333941; x=1733938741; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=VFClu+Hvt7amMncVjBqzTSbdie8DwUy5v4UirHChi6g=; b=o4+QVXZYx/LH8T1mBqF+z6dS1ACTN6AtFJy2KwFkLQau2i9HgeDgt+X5H4IPZqZyw/ yqZ4Aw/273ajODYozXpn3znLGLh5IHXMMCddCBm1cTPRhJpiPKoKPNKx56dkX8vR355k yyAsx6p4UuemnVitcw3y9Rd5I5zyc0kqNayf+baSzd0qNnbrjDPRWt0dValTyhajVNX3 IqvYWYuztN+CBptnzZURClup5TRcnv4p1j16L+yhGPME45Ig0b+iWV5ZSzy/LlJ4gSwY 38xWnoBy4yYW7h59foFJZtrNWqEpYQooQ0ErdWGnEcvkyYFBC29QTucakf+LJuQsSQDA mr0Q== X-Forwarded-Encrypted: i=1; AJvYcCXZQL5iEVYdLSkC0+aAmE6vAzyEhV2g/T3d932bqDZhy34ekd/KyMKUrug+rUO1IiuOML4fTfbqPw==@vger.kernel.org X-Gm-Message-State: AOJu0YyqVLVskrc/XGiZc/r3PLUPvmX7Ynn6BxrYqWu75BACRX44kbsa hnVSy1aKK0hjwxa7NJ+rbDaHoFsK9JT8HUfA64iO/qY5+lgkEWoaL0F/eWobx7M= X-Gm-Gg: ASbGncuLaK/WZH+EpR15glMGivceeK3MA6yzgwnSYSdjxfJ7Ww28aGfTqYpPWJ3gPMI t1Pozbvuf1iIfivyj3lty5r8c1r7wZJHq1jMbR0AwQNUVCbpDRg5tM+D9CXK/8PWw2qgZRlDIeV s3UzAJxMn7Z7QH2/mc/WCTTgGZQ3CagOCC6ZNzut6W1b1/TLhNpzt0Yd4e+q8F8pV6/g5+8TzlH Rjtmr70xdQ1OKfolplQMzmnXwCiYpssZIvSXSpP3O2XColXE5kWewB/Og== X-Google-Smtp-Source: AGHT+IEWwmwlmTiq2H81pZwumsdyTa//GeiFxgP24xH6IM5xZVH1ovP6c15jfg3covmiQRAdntPWQw== X-Received: by 2002:a17:902:ce08:b0:212:e29:3b2f with SMTP id d9443c01a7336-215bd250316mr90887145ad.44.1733333941081; Wed, 04 Dec 2024 09:39:01 -0800 (PST) Received: from ?IPV6:2620:10d:c096:122::1:2343? ([2620:10d:c090:600::1:a7a9]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-215a6fd3f1esm48257605ad.72.2024.12.04.09.39.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Dec 2024 09:39:00 -0800 (PST) Message-ID: <3ede47bf-8612-47f7-9851-13c6622ecf44@kernel.dk> Date: Wed, 4 Dec 2024 10:38:59 -0700 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [syzbot] [io-uring?] general protection fault in io_sqe_buffer_register To: Aleksandr Nogikh Cc: syzbot , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <67253504.050a0220.3c8d68.08e1.GAE@google.com> <67272d83.050a0220.35b515.0198.GAE@google.com> <1ce3a220-7f68-4a68-a76c-b37fdf9bfc70@kernel.dk> <9e8ccb61-e77a-4354-a848-81242625658c@kernel.dk> Content-Language: en-US From: Jens Axboe In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 12/4/24 10:34 AM, Aleksandr Nogikh wrote: > On Wed, Dec 4, 2024 at 6:14 PM Jens Axboe wrote: >> >> On 12/4/24 10:11 AM, Aleksandr Nogikh wrote: >>> Hi Jens, >>> >>> Just in case: >>> >>> Syzbot reported this commit as the result of the cause (bug origin) >>> bisection, not as the commit after which the problem was gone. So >>> (unless it actually is a fixing commit) reporting it back via #syz fix >>> is not correct. >> >> The commit got fixed, and hence there isn't a good way to convey this >> to syzbot as far as I can tell. Just marking the updated one as the >> fixer seems to be the best/closest option. >> >> Other option is to mark it as invalid, but that also doesn't seem right. >> >> I'm fine doing whatever to get issues like this closed, but it's not >> an uncommon thing to have a buggy commit that's not upstream yet be >> fixed up and hence not have the issue anymore. > > I see. You are right, thanks for the explanation! > > There's indeed no better way to convey this at the moment. I've filed > https://github.com/google/syzkaller/issues/5567 to discuss what can be > done. Thanks! Guess I wasn't totally blind, I did check to see if there was a better way to do this currently and didn't spot it. -- Jens Axboe