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From: Andrea Cervesato via ltp <ltp@lists.linux.it>
To: "Vasileios Almpanis via ltp" <ltp@lists.linux.it>
Cc: ltp@lists.linux.it
Subject: Re: [LTP] [PATCH] pidns32: fix PID namespace nesting depth off-by-one
Date: Mon, 30 Mar 2026 10:23:11 +0000	[thread overview]
Message-ID: <69ca4f0f.df0a0220.131966.a7bf@mx.google.com> (raw)
In-Reply-To: <20260330100750.858390-1-vasileios.almpanis@virtuozzo.com>

Hi Vasileios,

> -	if (tst_atomic_inc(level) == MAXNEST)
> +	if (tst_atomic_load(level) == MAXNEST)
>  		return cpid;
> 
> +	tst_atomic_inc(level);

Makes sense, the old code incremented before checking, so the counter
hit 32 after only 31 clones. Splitting load and increment fixes it.

Reviewed-by: Andrea Cervesato <andrea.cervesato@suse.com>

Regards,
--
Andrea Cervesato
SUSE QE Automation Engineer Linux
andrea.cervesato@suse.com

-- 
Mailing list info: https://lists.linux.it/listinfo/ltp

  reply	other threads:[~2026-03-30 10:23 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-30 10:07 [LTP] [PATCH] pidns32: fix PID namespace nesting depth off-by-one Vasileios Almpanis via ltp
2026-03-30 10:23 ` Andrea Cervesato via ltp [this message]
2026-03-30 13:33 ` Petr Vorel
2026-03-30 14:42   ` Cyril Hrubis

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