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From: viro@ZenIV.linux.org.uk (Al Viro)
To: linux-arm-kernel@lists.infradead.org
Subject: [revert request for commit 9fff2fa] Re: [git pull] signals pile 3
Date: Sun, 14 Oct 2012 20:56:11 +0100	[thread overview]
Message-ID: <20121014195611.GA2616@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20121014192402.GZ2616@ZenIV.linux.org.uk>

On Sun, Oct 14, 2012 at 08:24:03PM +0100, Al Viro wrote:

> Russell, could you recall what those had been about?  I'm not sure if that
> had been oopsable that far back (again, oops scenario is userland stack
> page getting swapped out before we get to start_thread(), leading to
> direct read from an absent page in start_thread() by plain ldr, without
> anything in exception table about that insn), but it looks very odd
> regardless of that problem.

BTW, arm64 has copied that logics, so it also seems to be unsafe and very
odd - there we definitely have only ELF to cope with.  arm64 folks Cc'd...

  reply	other threads:[~2012-10-14 19:56 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20121013005334.GM2616@ZenIV.linux.org.uk>
2012-10-14 15:35 ` [git pull] signals pile 3 Daniel Mack
2012-10-14 16:40   ` [revert request for commit 9fff2fa] " Al Viro
2012-10-14 16:44     ` Daniel Mack
2012-10-14 17:26       ` Al Viro
2012-10-14 17:55         ` Al Viro
2012-10-14 18:21           ` Daniel Mack
2012-10-14 19:06             ` Al Viro
2012-10-14 19:24         ` Al Viro
2012-10-14 19:56           ` Al Viro [this message]
2012-10-15 16:07             ` Catalin Marinas
2012-10-15 16:27               ` Al Viro
2012-10-15 17:06                 ` Catalin Marinas
2012-10-14 20:24   ` Russell King - ARM Linux
2012-10-14 22:24     ` Russell King - ARM Linux
2012-10-14 22:39       ` Daniel Mack
2012-10-14 23:16         ` Russell King - ARM Linux
2012-10-16 14:04           ` Uwe Kleine-König
2012-10-16 14:05             ` Russell King - ARM Linux

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