[BusyBox] Re: [uClibc]busybox insmod with uClibc is broken for pcmcia modules

[Erik Andersen]

On Tue Apr 24, 2001 at 12:36:02PM +0300, Michael Shmulevich wrote:
> Uninitialized module is usually happens when you did the obj_load() in 
> insmod, but didn't do module_init(). At our place this happened when the 
> insmod tried to add symbol to _ksymtab section at index -1. See the 
> "Segmentation fault" message. New modutils fixed this bug.

Do you know what version?

> 
> I bet the modules can only be loaded if they have a _ksymtab section 
> already. Glibc's malloc less restrictive at overwriting areas near 
> "malloc()-1". uClibc is not, it just segfaults,

So having a malloc that allows you to underflow buffers is good?
It is much better to get a segfault then to have a bug that is
hidden by a forgiving malloc.

 -Erik

--
Erik B. Andersen   email:  andersen at lineo.com
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