From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 4731D3033EB for ; Thu, 27 Aug 2026 05:18:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787807887; cv=none; b=uc2N42wDXFFl27nj37tBdRoll4mU9U1ThvrqKkMr/vOjg/j1qeyKFI+S5v0xdi7eyeDm/UfaLKzTc6g7Fh/vPmna8fEL9dOU9nI83OUYqyr5AXgy6Ffj4dYs4JFghyGzI/+hPlz8JC8Usk8V90kRnqoZCkKy16VbTmts6T2VKUc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787807887; c=relaxed/simple; bh=kjTXdFx0hYlZSg0bJOrOECOIPiG76y6pgmYhTKFgpik=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VWqTyOm9H1gEQMQneunc0NONK3lqY5HNmW00Mr+V7R6WPcCWg7LFTMVywkmRZhngPgTKwM9/j7KBBB3up0V/ppmOgmyVK4UjEUVY+IdzhDPenq4UpHTG6VD7wuHaqOZ6GlgmWTt7eOzClOhpWX9VXA832XUjVpFiROyn/TDCDYA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bBdbeA+x; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="bBdbeA+x" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 921B81F000E9; Thu, 27 Aug 2026 05:18:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1787807886; bh=hHGfECbOChgmTOLrziXlJ3w/j+HKsp8cs7KmczNlu94=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=bBdbeA+xoVTbLH7WvqH5kwDqyGt9ZeRNO/EKR5monyaanbnCRgj5wLeO0GE97nGlP M18SnSYCCyZmTWGHjhfK4bQWMP2hcZdZKCpvImPUCoh0lhhp8u9zQ7iTVF3CJ4pcK1 q3Fg0g3T2bvItzvcUh294mvcZecI3zy5Ntc2VqKp5fxva/FtXN9N/0LE2c4xpWMJ48 PU4xpW+bw7I2Mrj1rrwMWvqkzlsW8kzIdZ4fdnzm5z9/DP/B3JkocHMEGJ7SiDHHK5 brRqlb69fizaqrBRmoQTFdapySwmQkH+FbiT96yVAXnrJcOuz5auD5RnYoU7d01Vkd G6S4BDkbVeQKw== From: Sasha Levin To: stable@vger.kernel.org Cc: Sasha Levin , Peiyang He , Zhu Yanjun , Leon Romanovsky Subject: Re: [PATCH 5.15.y] RDMA/rxe: Fix OOB in free_rd_atomic_resources() Date: Thu, 27 Aug 2026 01:17:55 -0400 Message-ID: <20260827050834.10005.stable-daily@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260825201314.1687660-1-yanjun.zhu@linux.dev> References: <20260825201314.1687660-1-yanjun.zhu@linux.dev> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > free_rd_atomic_resources() iterates using qp->attr.max_dest_rd_atomic. > Updating max_dest_rd_atomic before freeing the old array can make the > free path walk past the old allocation and trigger a slab out-of-bounds > write catched by KASAN: Queued for 5.15, thanks. -- Thanks, Sasha