Re: [Linux-stable-mirror] [PATCH 2/3] tracing: make sure the parsed string always terminates with '\0'

On Tue, 9 Jan 2018 17:55:47 +0800 changbin.du@intel.com wrote:

From: Changbin Du changbin.du@intel.com

The parser parse every string into parser.buffer. And some of the callers assume that parser.buffer contains a C string. So it is dangerous that the parser returns a unterminated string. The userspace can leverage this to attack the kernel.

Is this only a bug if we apply your first patch?

-- Steve