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 2CE261DE3B5; Wed, 6 Nov 2024 12:50:56 +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=1730897456; cv=none; b=iue38RzfwN31R9QUaYYBV2aUX/s9OX7eq35bBcXi2kLqEwJiYwort788mBsOgf6gJP8g33lRiU4SB6M+ArKQXbvkmgiKkoH/BSnMGXBxMF95ff2ZsNzDWGYVM/9xeWQStnS8d279uafEGNd3E/pxu6/odtkx5fqPNyIiM+5FE5I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730897456; c=relaxed/simple; bh=uUBv0/zjg3otbPTmn51kllX9+pfzswrSTJyk2VK8fb0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cd32H4lUhCEPU61oL4FxHqvyb9Enc5bDLtrvBhalsjBNpQtDro+QjqYvz1YfCEydN0aRGVQ3rMBL0AVVuxswtswKb7jNZbhqCXc1cYjblJ6aA88RNa62Zq9Y9bR6V9TyERfrTnM0XljHcgZZFDpfsgFUocA5J0LAzo0cyxAjTKg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=agaHr61e; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="agaHr61e" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A6D81C4CECD; Wed, 6 Nov 2024 12:50:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1730897456; bh=uUBv0/zjg3otbPTmn51kllX9+pfzswrSTJyk2VK8fb0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=agaHr61eOx2NCkteq8RZL5WLSiUk1vCzbezrkEc3RU93f4km1g3WflTvQqLKL0WUr w5lAJ3lbocVcPdQ8jg8H/zU1Z0CFSK9D637HHDvuijV6Lb0Qw40r3EhyF22LhbsbRn 7JI92ruYeoPqLwxhhwsjh6XOZT4EKOMHapyk00BM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, syzbot+c6d94bedd910a8216d25@syzkaller.appspotmail.com, Konstantin Komarov , Sasha Levin Subject: [PATCH 6.6 059/151] fs/ntfs3: Add rough attr alloc_size check Date: Wed, 6 Nov 2024 13:04:07 +0100 Message-ID: <20241106120310.463823715@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241106120308.841299741@linuxfoundation.org> References: <20241106120308.841299741@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Konstantin Komarov [ Upstream commit c4a8ba334262e9a5c158d618a4820e1b9c12495c ] Reported-by: syzbot+c6d94bedd910a8216d25@syzkaller.appspotmail.com Signed-off-by: Konstantin Komarov Signed-off-by: Sasha Levin --- fs/ntfs3/record.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/ntfs3/record.c b/fs/ntfs3/record.c index 2a375247b3c09..427c71be0f087 100644 --- a/fs/ntfs3/record.c +++ b/fs/ntfs3/record.c @@ -331,6 +331,9 @@ struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr) if (attr->nres.c_unit) return NULL; + + if (alloc_size > mi->sbi->volume.size) + return NULL; } return attr; -- 2.43.0