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Date: Wed, 9 May 2012 18:23:30 +0200 From: Sasha Levin <levinsasha928@...il.com> To: Al Viro <viro@...iv.linux.org.uk> Cc: linux-fsdevel@...r.kernel.org, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: vfs: INFO: possible circular locking dependency detected On Wed, May 9, 2012 at 6:12 PM, Al Viro <viro@...iv.linux.org.uk> wrote: > On Wed, May 09, 2012 at 05:25:14PM +0200, Sasha Levin wrote: >> Hi all, >> >> I've started seeing the following warning while fuzzing inside a KVM guest with the latest -next: > It's not a realistic attack, fortunately, since you need root > to get past open_exec() on any of those... Wait. How _did_ you get > past open_exec(), anyway? MAY_EXEC is not supposed to be granted on > anything that has no exec bits at all and AFAICS none of those files > have them. You could chmod +x and run them, no? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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