[PATCH 4/5] arm: Fix init_atags_procfs() to check tag->hdr.size

Tony Lindgren tony at atomide.com
Sat Dec 19 12:44:28 EST 2009


* Russell King - ARM Linux <linux at arm.linux.org.uk> [091219 01:02]:
> On Fri, Dec 18, 2009 at 07:46:30PM -0800, Tony Lindgren wrote:
> > The tag->hdr.size cannot be larger than XXX.
> > Otherwise we can getsomething similar during boot:
> > 
> > Unable to handle kernel paging request at virtual address 61a05020
> > ...
> 
> NAK.
> 
> Why can't people get the simple ATAG setup right?  Fix the boot loader.

In this case why can't the kernel get ATAG setup right?

This only happens when kexec rebooting multiple times in a row.

Sounds like something is not memset/kzalloc'd somewhere?

Regards,

Tony



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