On 10/20/2015 03:43 AM, Konstantin Vladimirov wrote:
Hi,
--- sched-int.h ---
/* Information about the dependency. */
struct _dep
{
....
struct dep_replacement *replace;
....
};
typedef dep_def *dep_t;
--- sched-deps.c ---
static void
copy_dep (dep_t to, dep_t from)
{
memcpy (to, from, sizeof (*to)); // oops?
}
This might be source of double free problems, etc. I can not build
exact reproduction for x86 or arm, but I stepped on it in scheduler
code for private backend. Is it worth filing as a bug, or is it part
of design?
I don't think it's by design. It'll certainly help if you can
thoroughly describe the path by which you get the double-free.
Conceptually I agree with you, but I'd have to sit down with a debugger
to really be sure.
Jeff
