Re: libgcc double-free, backend won't die

Alvaro Herrera wrote:
> Craig James wrote:
>
>> Here is my guess -- and this is just a guess. My functions use a
>> third-party library which, of necessity, uses malloc/free in the
>> ordinary way. I suspect that there's a bug in the Postgres palloc()
>> code that's walking over memory that regular malloc() allocates. The
>> third-party library (OpenBabel) has been tested pretty thoroughly by
>> me an others and has no memory corruption problems. All malloc's are
>> freed properly. Does that seem like a possibility?
>
> Not really. palloc uses malloc underneath.

But some Postgres code could be walking off the end of a malloc'ed block, even if palloc() is allocating and deallocating correctly. Which is why I was hoping to use valgrind to see what's going on.

Thanks,
Craig