Re: NULL terminate over-long /proc/kallsyms symbols

[Andreas Schwab]

Andreas Gruenbacher <agruen@xxxxxxx> writes:

> Index: linux-2.6.17/kernel/module.c
> ===================================================================
> --- linux-2.6.17.orig/kernel/module.c
> +++ linux-2.6.17/kernel/module.c
> @@ -1935,7 +1935,7 @@ struct module *module_get_kallsym(unsign
>  		if (symnum < mod->num_symtab) {
>  			*value = mod->symtab[symnum].st_value;
>  			*type = mod->symtab[symnum].st_info;
> -			strncpy(namebuf,
> +			strlcpy(namebuf,
>  				mod->strtab + mod->symtab[symnum].st_name,
>  				127);

Just a minor point: you probably also want to change 127 to 128.
Unfortunately sizeof does not work here, despite the declaration.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@xxxxxxx
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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