From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out203-205-221-239.mail.qq.com (out203-205-221-239.mail.qq.com [203.205.221.239]) (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 24BF313D503; Thu, 28 Aug 2025 03:33:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.205.221.239 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756352023; cv=none; b=FCgAhOMowK7tKve/wTINqi9Mh0VHRDI0qwQHHKYd2ek+oGgHupdMZ09l7makJxx4ZZPRS/nsVwow2giQecCUSJ+teLrUzI469+H3Zql72tLExoYGg4ms3X5AOvxmVhehBv4gTBpjtVv5508FUa+2tZN4+U2wSapZ81L905Hf6qU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756352023; c=relaxed/simple; bh=BMAGjRMk4Z3TjouD68EjoYToYs9haeFZiFaVppJm+XA=; h=Message-ID:From:To:Cc:Subject:Date:In-Reply-To:References: MIME-Version; b=mREpUQCO8Nz/qb7wOCCD38iYs4PDnmJz2cbXm9bR+XveiOznf0QwsgJFHz0Yp2npLXzjIWMLr7r8ewlrxkeYHBCoR5ZzXxUBpJFB1W5Y7AqSZB4GzuR/VgiUwhcYXtl2btliifhjqh1Rb+EQU9AmPQQZ8DVSGuitu1Ioq9JRAEE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com; spf=pass smtp.mailfrom=qq.com; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b=QYKK6lNc; arc=none smtp.client-ip=203.205.221.239 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=qq.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b="QYKK6lNc" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1756352017; bh=u1zhF4oSCXVG+6LusvOKKNkPof3RJVhGMntnsj+s+1o=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=QYKK6lNcfUyMS2DXomL8yP06dzLwoMuRlzqhJHe9mI6vP2jxnBlX1/mcJkWqJ7eWq Pt7a0D3PeDyfjlmxgvIpZlFBR4Re19a5896eB0ILIt6DjIrFxJUumSfo5EqKUaC/+H airj3n993krKMbycXifpRciD/GSRC7rInO9HilmE= Received: from nebula-bj.localdomain ([223.104.40.195]) by newxmesmtplogicsvrsza56-0.qq.com (NewEsmtp) with SMTP id 6E0888BA; Thu, 28 Aug 2025 11:27:32 +0800 X-QQ-mid: xmsmtpt1756351652ta9x299eo Message-ID: X-QQ-XMAILINFO: NGZp1yYNf7Y+9GzPxqsNlS6AYhGbwwFB5CviZmlZJVmcbrpS9/OK+Dw/zgqzHX 6+5nr9SgFDCxH0x+PRGPCBF4pkycXVY9nYdwiUue6ACSsAYjv1g/uN/ZLUeyfajQEg7zoZ8BlVXb HBZ0UMpM5/94LQTBgdrAy6jurk2p0cjr7iSwwpJDhhIU4Egc9StM9mCxpKZUOHELk79zsM5zJzSd lX3aPYRIfbMRSAwbXf0vNPqfMXtvyux72R4QShSoSV5WsrJKUy0UJon3ofzq0xw/E2bvjBSKLhxw bq9Z1aEhbcIiWf/rpyT6ENccAoCcJE0GhkpzYrvL4mAnz1ei6ots4Og0C0JK2KORfu+3lCdGnbI+ FGPc3F66xS7flDuTrZwxa9zGMXx1lUWOH2MPeX33+0virMr/cNpu42HfH1frcu9yUD9atRkFghlX rL5kyPwFc0sb176V5SYw63D7H+onYvuNdI8CtCKvGRf1QpdMoy5+4AekM1a/yFrZvS6j71znv+ke jebWJHiMz2Q6Pk58pCEzfsHNYhHL56TI3SqYtheZZzG2xeMd7rrOuyv9t6nhUPblrj8xRDlRFHuX ZMo0lNwr+9XOpfyY235BDjMz0z5Ksw6kesXk6jyaIeirY0Z22knSdK8XFAitHdRY/l6MH3nc0ClL oU3BLyv6BJ2g+ZsjTMZ2wQg4+tcHtkXaEWSH0cQcX5RZxYsrGj8w3KsIjusWlH7o5xBg8p1xKPzq e52KCW2QqlazO8RJaY6B0lMoNHeYEpzX1eMV2YH5IwRFpAatar6/ZY5VreNa/x9PfFH36RaA2pAg 8r6e5wdQjZ4vRu35TurUWt9Hy0UlkcjqbugirVI4FnuZrHj5be8XS51AwEXcDnEBinKXV2zqsU1i yUUb7sDnDcDL9Hb5m1Osai6Pfq7YP5uRFeouSc1uyaD9iNix5asUABFBAVGiH8r1yM1JV9o6X1f0 /RXGmsWtABMkMgxATYoMxZy3Mk+j8ZoDiEKrhGYysWih5fuhOElMwbtsXuXA5F5+aK3teg67Fn2x 2wVjiKinU6uMjrkndvIQa8czMTCPBfZRe/fivscMRKg9SHjI/I490KCFFPWA54re4ELUmy8YpfsG 4AgF+DCf/2TOsClQYKRcGPIQzmPg== X-QQ-XMRINFO: NS+P29fieYNw95Bth2bWPxk= From: Qingyue Zhang To: axboe@kernel.dk Cc: aftern00n@qq.com, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] io_uring/kbuf: fix infinite loop in io_kbuf_inc_commit() Date: Thu, 28 Aug 2025 11:27:32 +0800 X-OQ-MSGID: <20250828032732.101494-1-chunzhennn@qq.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <8f4a4090-78ed-4cf1-bd73-7ae73fff8b90@kernel.dk> References: <8f4a4090-78ed-4cf1-bd73-7ae73fff8b90@kernel.dk> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Thanks for taking care of this report! Regarding tags, it would be nice to add a 'Reported-by: Suoxing Zhang ' tag too, as this report and reproducer are developed by both of us. And absolutely, please feel free to use our reproducer for a test case! I'm glad it can be useful. Your version with idiomatic liburing looks great. This is my first contribution to the Linux Kernel, and I really appreciate your patience and quick responses throughout this process!