[PATCH] check put_user fail in do_signal when enable OABI_COMPACT
nico at fluxnic.net
Wed Oct 28 12:13:28 EDT 2009
On Wed, 28 Oct 2009, Jean Pihet wrote:
> On Tuesday 27 October 2009 20:35:31 Nicolas Pitre wrote:
> > Well, the commit message is certainly wrong. There is no copying of
> > restart_syscall to user stack anymore.
> Ok thanks for reviewing it! Here is a respin of the patch. Only the commit
> description has been touched.
> Using OABI, the call to put_user in do_signal can fail. In that case
> flush_icache page faults and the calling app goes in an infinite loop.
Still wrong. Why flush_icache?
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