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 EEC1D13AA31; Mon, 14 Oct 2024 03:57:39 +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=1728878260; cv=none; b=OCNp5zmtNRBG1fVupaWssM2cP0h6purnG9G/L7dy4PjOaUf8vbNx2Y7uJiM8KkokZrXpX869/EvpN2DPknzLTzdBD0Iyma9Jp/EFd2OKOOFPqFd0e5i8pGj7vgQoAg6yudy5gsb7X+tmCus9KgazhzLkzOJoVgrcB04JlqppYB8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728878260; c=relaxed/simple; bh=5J3S3I4uxKIik66iPMpZkFxzvvtYWR9H4xsj/Q/IKwQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hwgeozIO7G9/27YgO0huhPE2dVsF4Cb0Mp1fTFhvtoXSf4a1IaZoZROVGTEKWhgEvg+3svRzUYkNTMKQdfBJPklVw9f1DULazhMbqScMwo/xXKcZwW7rFTuOmXJmIdlblDAz0zRgodNGoJWVabK32bpcSNZfxp+fZ3meva6Tfuw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jwQH1PdQ; 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="jwQH1PdQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9FC82C4CEC3; Mon, 14 Oct 2024 03:57:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728878259; bh=5J3S3I4uxKIik66iPMpZkFxzvvtYWR9H4xsj/Q/IKwQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jwQH1PdQ094v4ZMU1tBL+b+AIE0EZbHwEZsTsHb1zGZPvxbc1LznYLgpqoa7YTBD4 LRzFAfs0dn2yxb9L80Ym43KJiC0scHJ3aS+GccF14Y7SJgzsU7g4UOUTmesF4WcxwR TU0N/Gd1mYgdIWa57vuyqUME8TLm4LSNaYqywi0xIHqAt1efr6Ongw/I26zTS4WwA+ Oe7iK3l/efBrLgGZtBjtTbXFd+TrJ3taRCQHiU4BpU/Y5jNVh3JTC/U0MlByFpYje5 t6YBir0odMmkqYkRcB1bMGyh9cggTGYSxyU584fAp1smit4fOqNG/1g0yE5IEaHF4H rHWmhRTa62Brg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Konstantin Komarov , syzbot+c6d94bedd910a8216d25@syzkaller.appspotmail.com, Sasha Levin , ntfs3@lists.linux.dev Subject: [PATCH AUTOSEL 6.11 05/20] fs/ntfs3: Add rough attr alloc_size check Date: Sun, 13 Oct 2024 23:57:07 -0400 Message-ID: <20241014035731.2246632-5-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241014035731.2246632-1-sashal@kernel.org> References: <20241014035731.2246632-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: ntfs3@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.11.3 Content-Transfer-Encoding: 8bit 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