linux-kernel - Re: [PATCH][Resend v2] Fix infinite loop in search_binary

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Message-Id: <201107042051.HEB57830.OJFtMLFSOHFVQO@I-love.SAKURA.ne.jp>
Date:	Mon, 4 Jul 2011 20:51:55 +0900
From:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:	richard@....at
Cc:	viro@...iv.linux.org.uk, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH][Resend v2] Fix infinite loop in search_binary_handler()

Richard Weinberger wrote:
> Running a x86_64 kernel without ia32 emulation and a x86 user land
> triggers this issue.

Executing /sbin/modprobe for x86_32 on an x86_64 kernel without x86_32 support?

Anyway, request_module() calls __request_module() but
__request_module() stops at MAX_KMOD_CONCURRENT levels of nesting.
So, I think "infinite loop" cannot happen.
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