linux-kernel - Re: [PATCH 0/1] exec: do not sleep in TASK_TRACED under ->cred_guard

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Message-Id: <20090904092211.C57138B12A@magilla.sf.frob.com>
Date:	Fri,  4 Sep 2009 02:22:11 -0700 (PDT)
From:	Roland McGrath <roland@...hat.com>
To:	David Howells <dhowells@...hat.com>
Cc:	Oleg Nesterov <oleg@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	James Morris <jmorris@...ei.org>,
	Tom Horsley <tom.horsley@....net>,
	linux-kernel@...r.kernel.org, stable@...nel.org
Subject: Re: [PATCH 0/1] exec: do not sleep in TASK_TRACED under ->cred_guard_mutex

> Oleg Nesterov <oleg@...hat.com> wrote:
> 
> > [PATCH 0/1] exec: do not sleep in TASK_TRACED under ->cred_guard_mutex
> 
> I don't see where it is sleeping in TASK_TRACED with cred_guard_mutex held.

search_binary_handler calls tracehook_report_exec, which calls
ptrace_notify when PTRACE_O_TRACEEXEC is enabled.


Thanks,
Roland


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