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 5EE3EC4332F for ; Wed, 21 Dec 2022 14:14:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229472AbiLUOOx (ORCPT ); Wed, 21 Dec 2022 09:14:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230014AbiLUOOw (ORCPT ); Wed, 21 Dec 2022 09:14:52 -0500 Received: from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com [IPv6:2607:f8b0:4864:20::1034]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 076CD2AE4 for ; Wed, 21 Dec 2022 06:14:48 -0800 (PST) Received: by mail-pj1-x1034.google.com with SMTP id x3so1526990pjv.4 for ; Wed, 21 Dec 2022 06:14:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id:from :to:cc:subject:date:message-id:reply-to; bh=37lNoQq1RpE7D88vghh65+GrfN54fVBslwF0L9xaF0c=; b=xZ6bVGYT/Cy/hyUlm2lLnDs6b1x9D3i9M4l/SxjCFtp1vmITg9gJ4SxQbhMeM4CcU0 Kkk9M7NWHDx+cU0ohA+Vfsx0SdM+04+/MO+aW1xrli0V1kA8VucH0N0ILbSWI+ofyDwL g6usPvs9WdIaWazoD5uE+AE2wn9qXZ/QaDEht3qJDGwiphspdXqswdEG6alCupUldf62 QABx/qOWAeAbenKDgDfgn5PCi3rSVqaKxnDWO4zNvlI2xUUMXk3O0lpNWgOk3B4kYg9P 5fXAKJ/45GNVf0KdMuYIWVWwuCaZoCp93f4kojv66l+rZXGdqN+z4MoaILkPug+NS2lX Ww/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=37lNoQq1RpE7D88vghh65+GrfN54fVBslwF0L9xaF0c=; b=qJ+hlIFHSLOsTNZfR8cWQmd3GIuQ2URrkxjFdlTP0TF6Iv8NCdxPocwZwucNFoJ2M4 1j6H6XYokyWp0itY2Y3jpMO8OJshzl0ehwDmTX9S3b+RL7LeqSEsVwPigYwVU0rNsrt/ 3h68kDcFN6UbbVZKX67X9jCIKo7JME6TIpYTW1fLua+92yXhKNC/+aSrefcytOVdEesQ F+qm6oJfd8SElxqhYSRDFcf9jTdLSrBRnmsyvu47ykP+dD3r8yeonRTYb6rbdi+QChIs oes/XA93+mZgfFPGhbXLXFnB8gly/tugNA80jt+x219XvBskls9ssS+LdizlXtJ8kH6H LTQA== X-Gm-Message-State: AFqh2kqmR/glU8HUUDgWAIwFAbvPD6xgJtZSMNOTpv7ooFDHIlV11su7 9hxbviQJrbvGzN7kuHUKN3LTkw== X-Google-Smtp-Source: AMrXdXu35UlMwrogJQXaPIzwp+iYHSfmxfpCb0jfsXBqoAAphZ7pKu2csUeD7UWVnWcF0N6uqfRU1A== X-Received: by 2002:a17:903:285:b0:189:cb1a:7eee with SMTP id j5-20020a170903028500b00189cb1a7eeemr492176plr.1.1671632087392; Wed, 21 Dec 2022 06:14:47 -0800 (PST) Received: from [192.168.1.136] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id u10-20020a170902e5ca00b001897a8b537asm11599308plf.221.2022.12.21.06.14.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Dec 2022 06:14:46 -0800 (PST) Message-ID: <11a32a29-fbe6-3e00-9f76-36bcd305ea94@kernel.dk> Date: Wed, 21 Dec 2022 07:14:45 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:102.0) Gecko/20100101 Thunderbird/102.5.1 Subject: Re: [syzbot] WARNING in io_cqring_overflow_flush To: syzbot , asml.silence@gmail.com, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000cb143a05f04eee15@google.com> Content-Language: en-US From: Jens Axboe In-Reply-To: <000000000000cb143a05f04eee15@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 12/20/22 9:24 PM, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 77856d911a8c Merge tag 'arm64-fixes' of git://git.kernel.o.. > git tree: upstream > console+strace: https://syzkaller.appspot.com/x/log.txt?x=13e722d7880000 > kernel config: https://syzkaller.appspot.com/x/.config?x=334a10f27a9ee2e0 > dashboard link: https://syzkaller.appspot.com/bug?extid=cf6ea1d6bb30a4ce10b2 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=112eeb13880000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16b78bdb880000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/84863f051feb/disk-77856d91.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/87614e2a8a26/vmlinux-77856d91.xz > kernel image: https://storage.googleapis.com/syzbot-assets/cb76bad63a90/bzImage-77856d91.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+cf6ea1d6bb30a4ce10b2@syzkaller.appspotmail.com #syz test: git://git.kernel.dk/linux.git io_uring-6.2 -- Jens Axboe