From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 696DB35962 for ; Tue, 4 Nov 2025 07:06:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762239977; cv=none; b=cq9i7kZBjV3kEsBGAYAE4aI05XVxP/9h7f7QkqKpgTNJwNBrWajjfhEr2aTkHhiniFXH6W/FvhJNHmX1N1DUMP0N+eFCQ83l8yxbClspTdWEdeSTQ9weQQETuA0CcLcAldRuSOjv1uRZyfLrteh71hVvLWdKyBhNm6pEfTtG/U0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762239977; c=relaxed/simple; bh=fIyKczNc+/gJHY3D8lZta3HSckqeCpgbj6Z3Cd+opyA=; h=Message-ID:Date:MIME-Version:Cc:Subject:To:References:From: In-Reply-To:Content-Type; b=r3VNO5CD5fiPWcHta8GVSSrMaFpRJMSRzQbCBPLW3J55Oa81vqVCGgF++ron0D85DEqO9KQ7F4NUrxbyLpTwMy2m/5iIC2TVspmY2jObyp/YIYYkWv95WjJ/sDLQuPsgjLwt47mlfPl//HwJxkeuK6/GDmOqzayKRBZcIFsqDrE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=n50zHO4i; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="n50zHO4i" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EBEBAC4CEF8; Tue, 4 Nov 2025 07:06:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762239976; bh=fIyKczNc+/gJHY3D8lZta3HSckqeCpgbj6Z3Cd+opyA=; h=Date:Cc:Subject:To:References:From:In-Reply-To:From; b=n50zHO4ibdnL8QNAtgkvULKBfMp+LqaeRkadSgcghWqAt+V82eG5eOmEnVu1vxFbe TPas0OsgPxzylaUTfP8YeZf5dkdqJl0nCA6O7AV8MybgpsN2LufXSBmh3pyjbShqUt FAplT7SeU6ZFz/mHxRegLILlE5X9LRsXsGlGc0PZJxnXh+syRhr1o7cFrIlmOlKdd+ 2adVUH9qM7aIq+AOUjDsvWS+oAdRAcCieMWdjI5DZawNT3B1D7QyfI0Hgn5nfbD4UY wRmEIUL9HWpZZNGvT2cklJV0XWXxNsM3YwrtOI4NxGoUNhEvp8RaXtb4aEktufpgoy u+UmTlknrPakw== Message-ID: <1ecc25df-7009-47e5-98b8-957209763e31@kernel.org> Date: Tue, 4 Nov 2025 15:06:11 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Cc: chao@kernel.org, LKML , Robert Morris Subject: Re: [PATCH] erofs: avoid infinite loop due to incomplete zstd-compressed data To: Gao Xiang , linux-erofs@lists.ozlabs.org References: <20251031054739.1814530-1-hsiangkao@linux.alibaba.com> Content-Language: en-US From: Chao Yu In-Reply-To: <20251031054739.1814530-1-hsiangkao@linux.alibaba.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/31/25 13:47, Gao Xiang wrote: > Currently, the decompression logic incorrectly spins if compressed > data is truncated in crafted (deliberately corrupted) images. > > Fixes: 7c35de4df105 ("erofs: Zstandard compression support") > Reported-by: Robert Morris > Closes: https://lore.kernel.org/r/50958.1761605413@localhost > Signed-off-by: Gao Xiang Reviewed-by: Chao Yu Thanks,