Re: [patch 1/2] [BUG]kallsyms_lookup_name should return the text addres

[Paulo Marques <pmarques@grupopie.com>]

Anil S Keshavamurthy wrote:
> [...]
> The bug is kallsyms_lookup_name() -> module_kallsyms_lookup_name(mod, name)
> search the name in the given module and returns the address when
> name is matched. This address very well could be the address of 'U' type
> which is different address than 't' type.
> [...]

>  	for (i = 0; i < mod->num_symtab; i++)
> -		if (strcmp(name, mod->strtab+mod->symtab[i].st_name) == 0)
> +		if ((strcmp(name, mod->strtab+mod->symtab[i].st_name) == 0) &&
> +			(mod->symtab[i].st_info == 't'))

This conflicts with a similar patch from Keith Owens earlier this week.

In his patch he did "mod->symtab[i].st_info != 'U'" instead of 
"mod->symtab[i].st_info == 't'".

I actually prefer Keith's version as it is the one which solves the bug 
by changing as least as possible the current behavior.

-- 
Paulo Marques - www.grupopie.com

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