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 34C7F26056C; Thu, 2 Jul 2026 00:38:42 +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=1782952723; cv=none; b=j4yNOZaIPpMdfZp6lQB/qkPTs4dmjEt6o8iNVMRfOsP4+rSRqtaLrTZumULz+qjBJEneEWBT57fywAKlzbNJyyNAf713tAeYWv3l/xJP6w1d58dJtDQbEdvDe6eYxhWfUqyYLMQKyqa0+bMMPlTMgVjlza2MByVn3Rr0gfdAs+c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782952723; c=relaxed/simple; bh=KVBH37kHK2Qz1ppns2binekf7nxXneGxiYGJArf39Pw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QGBc7KTo7dLdnp2zaejW7CuImo7h2XpoZjMn6RdMBKVzMokg8WX008gz38Va0iVgCUy3jsfv8pkNYhKT63e74aHCVX7JN6l0rz8Mj6+FjbGg1DI1KogynW6Vq3hk7VRsE1xRSUntJ+SQUdPbWcRrkNMdTvuDMyoPNd8hceSmsHo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WGdRa5Fw; 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="WGdRa5Fw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 32F581F00A3E; Thu, 2 Jul 2026 00:38:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782952722; bh=FwU9jtKSUKMl/sbUhVAEup6JZyGjMrOu416Td6SVJyE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=WGdRa5Fw6zDSubA5nRRSS2gvL9dZT9p5OFlItsA+FyYVWSQupSKq3Xood4+zCZwZX gvhroc8TXpsyPinXAS+EzSubi5y5yGNSro/c8IQkfwW2ogwOonAXHMmHiMPv55Sz7m sWT6T/yW9cWEb8YfuPm8pA3YW4Cu9ATDBnPqMCfItTzvoQSV69vcLCXjYvAjufM0VY qHJyDOUnqtr4c333xWgOiCWNqb6dBMkhqFFpGdHCvJwEpDMr85p9iBHeqFabFGC6pK f033sYw9wom96yTqAkOFmrV7b05a03NsF/EwQGLZrBLPFZcKH0fOsPzj5/mNU8Qy2l J6cPKiYnviZYQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Sasha Levin , Theodore Ts'o , Andreas Dilger , linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, Yuto Ohnuki Subject: Re: [PATCH 5.10.y] ext4: add bounds check for inline data length in ext4_read_inline_page Date: Wed, 1 Jul 2026 20:38:26 -0400 Message-ID: X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260630164255.51218-2-ytohnuki@amazon.com> References: <20260630164255.51218-2-ytohnuki@amazon.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > Add a bounds check after computing len, returning -EFSCORRUPTED if the > value exceeds PAGE_SIZE. > > The upstream commit replaced a BUG_ON(len > PAGE_SIZE) in > ext4_read_inline_folio(). In 6.1 and earlier, the function is still named > ext4_read_inline_page() and the BUG_ON was never present, so this patch > adds the bounds check directly. Queued for 5.10.y, thanks. -- Thanks, Sasha