linux-kernel - Re: arch_ptrace_attach() without ptrace

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Message-ID: <20110627133420.GA3527@redhat.com>
Date:	Mon, 27 Jun 2011 15:34:20 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	penguin-kernel@...ove.sakura.ne.jp
Cc:	roland@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: arch_ptrace_attach() without ptrace_traceme()?

(add lkml)

On 06/27, penguin-kernel@...ove.sakura.ne.jp wrote:
>
> Regarding commit f1671f6d "ptrace: fix exit_ptrace() vs ptrace_traceme() race",
> is calling arch_ptrace_attach() when ptrace_traceme() returned 0 without doing
> anything (due to PF_EXITING race) expected behavior?

Hmm. Good point, I thinks this should be fixed.

Thanks!

Oleg.

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