[LTP] [PATCH 1/1] recvmmsg01: Workaround segfault on libc variant on 32 bit

Petr Vorel pvorel@suse.cz
Mon Nov 25 22:32:41 CET 2024


...
> > +static void test_bad_addr(unsigned int i)
> > +{
> > +	struct time64_variants *tv = &variants[tst_variant];
> > +	void *timeout = bad_addr;
> > +	pid_t pid;
> > +	int status;
> > +
> > +	pid = SAFE_FORK();
> > +	if (!pid) {
> > +		verify_recvmmsg(i, timeout);
> > +		_exit(!TST_PASS);

> This should be just exit(0). The child should either crash or exit with
> 0 any other result should be considered a bug.

Hm, I changed before merge it to _exit(0), instead of exit(0). As Jan explained
[1] _exit() is just for signal handlers and exit() will also flush open streams.
I guess I should fix it.

Kind regards,
Petr

[1] https://lore.kernel.org/ltp/CAASaF6yDG9VfWOzaSbzEMSGq5LXrqkNfLF7UmMcdWNvqmYywtA@mail.gmail.com/


More information about the ltp mailing list