Re: Problem with -fsanitize=leak and libpthread

[RVP <rvp%SDF.ORG@localhost>]

On Tue, 10 Aug 2021, Thomas Klausner wrote:

> I was looking for memory leaks in a threaded program using
> -fsanitize=leak when I had a weird issue with pthread_join not working
> after pthread_cancel.
>
> So I wrote a small test program. When I compile this with leak
> detection, it doesn't even start:
>
> ==23045==Sanitizer CHECK failed: /usr/src/external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_thread_registry.cc:284 ((tid)) < ((n_contexts_)) (4294967295, 1)
>
> Any ideas?
>
> To reproduce, install NetBSD/9.99.88/amd64 and do
>
> gcc -g -fsanitize=leak -o join join.c -lpthread
> ./join

Compile pthread-using programs with `-pthread':

$ gcc -pthread -g -fsanitize=leak -o join join.c
$ ./join
canceled
$

-RVP