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

Steven Rostedt
2018-01-09T23:03:03Z

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