netdev - Re: nfs client lockdep warning

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20090112121039.GA27332@elte.hu>
Date:	Mon, 12 Jan 2009 13:10:39 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	"J. Bruce Fields" <bfields@...ldses.org>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	netdev@...r.kernel.org, linux-nfs@...r.kernel.org,
	Trond Myklebust <trond@...app.com>,
	Nick Piggin <npiggin@...e.de>
Subject: Re: nfs client lockdep warning


* Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:

> Subject: lockdep,mm: fix might_fault() annotation
> 
> Some code (nfs/sunrpc) uses socket ops on kernel memory while holding
> the mmap_sem, this is safe because kernel memory doesn't get paged out,
> therefore we'll never actually fault, and the might_fault() annotations
> will generate false positives.
> 
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>

applied to tip/core/urgent, thanks guys!

I also added a:

 Reported-by: "J. Bruce Fields" <bfields@...ldses.org>

line as we always want to preserve the chain of bug reports and attribute 
them.

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html