Re: [PATCH] tracing: Replace deprecated strncpy() with memcpy() for stack_trace_filter_buf

[Devaansh Kumar]

On Fri, 4 Apr 2025 at 18:24, Mathieu Desnoyers
<mathieu.desnoyers@xxxxxxxxxxxx> wrote:
> It's not only about the destination, but also about the source length.
>
> AFAIU, turning a strncpy into a memcpy here will overflow reading the
> input @str if the input string is smaller than
> sizeof(stack_trace_filter_buf) + len.
>
> This can trigger page faults or make KASAN unhappy.

I see. I will create a new patch to fix this then