linux-kernel - Re: binfmt_flat.c && bprm->cred (Was: [PATCH 0/1] exec: do not sleep in TASK_TRACED under ->cred_guard

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Date:	Thu, 3 Sep 2009 21:09:58 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Oleg Nesterov <oleg@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	David Howells <dhowells@...hat.com>,
	James Morris <jmorris@...ei.org>,
	Roland McGrath <roland@...hat.com>,
	Tom Horsley <tom.horsley@....net>, linux-kernel@...r.kernel.org
Subject: Re: binfmt_flat.c && bprm->cred (Was: [PATCH 0/1] exec: do not
	sleep in TASK_TRACED under ->cred_guard_mutex)

[Cyrill Gorcunov - Thu, Sep 03, 2009 at 08:58:50PM +0400]
...
| ...  
| | -static int load_flat_shared_library(int id, struct lib_info *libs)
| | +static int load_flat_shared_library(struct linux_binprm *bprm, int id,
| | +						struct lib_info *libs)
| |  {
| ...
| | +	sprintf(buf, "/lib/lib%d.so", id);
| 
| Hi Oleg, perhaps it is a good moment to switch sprintf to snprintf
| as well? buf is only 16 bytes long so we have 4 byte room for number.
| Not sure if it's possible to have 10000 relocs though :) Just a thought.
| Most probably I miss something.
| 
| 	-- Cyrill

Sigh... I'm idiot. We have MAX_SHARED_LIBS limit here. Drop my question
please. Sorry for noise.

	-- Cyrill
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