Hello!
On Fri, Oct 27, 2023 at 02:58:45PM +0300, Vladimir Homutov via nginx-devel
wrote:
> If URI is not fully parsed yet, the r->uri_end pointer is NULL.
> As a result, calculation of "new + (r->uri_end - old)" expression
> may overflow. In such case, just avoid calculating it, as r->uri_end
>
If URI is not fully parsed yet, the r->uri_end pointer is NULL.
As a result, calculation of "new + (r->uri_end - old)" expression
may overflow. In such case, just avoid calculating it, as r->uri_end
will be set correctly later by the parser in any case.
The issue was found by GCC undefined behavi
