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SubjectRe: 2.5.63 accesses below %esp (was: Re: ntfs OOPS (2.5.63))
At 3:24pm -0800 3/13/03, Linus Torvalds wrote:
>On Thu, 13 Mar 2003, Horst von Brand wrote:
>> No need. Just dump some bytes before EIP raw, plus raw bytes + decoded
>> after EIP. Could be of some help.
>Alpha does this. Of course, there you don't have any of the partial
>instruction issues.

If you've got a symbol some reasonable distance before EIP, you could
decode from there. I wrote a little code that does that (using
kallsyms) very crudely in the stack trace in order to give the reader
a hint about stack frames. Go to the prior symbol, which is usually
an entry point, and find the %esp arithmetic. Works pretty well for
figuring out the real call chain.
/Jonathan Lundell.
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