[LTP] [PATCH v2 2/2] pidns32: fix PID namespace nesting depth off-by-one

[Li Wang]

On Thu, Apr 02, 2026 at 10:55:34PM +0200, Petr Vorel wrote:
> From: Vasileios Almpanis <vasileios.almpanis@virtuozzo.com>
> 
> The 2023 refactor used tst_atomic_inc() before clone with a zero-initial
> counter, which only performed 31 CLONE_NEWPID nests while still expecting
> MAXNEST (32). Use tst_atomic_return_add() so the shared counter runs
> 0..32 and the chain reaches 32 nested namespaces again.
> 
> Fixes: 647cfd468c3b ("Refactor pidns32 test using new LTP API")
> Reviewed-by: Andrea Cervesato <andrea.cervesato@suse.com>
> Reviewed-by: Petr Vorel <pvorel@suse.cz>
> Reviewed-by: Cyril Hrubis <chrubis@suse.cz>
> Signed-off-by: Vasileios Almpanis <vasileios.almpanis@virtuozzo.com>
> [ pvorel: use tst_atomic_return_add() ]
> Signed-off-by: Petr Vorel <pvorel@suse.cz>

Reviewed-by: Li Wang <liwang@redhat.com>

-- 
Regards,
Li Wang