Re: buffer overflow

[Pawel Kot]

Hi,

On 2/19/07, Baurzhan Ismagulov <address@hidden> wrote:
> I'm trying to copy my contacts from 6310i to K750i. I was able to read
> them from the old phone, but writing to the new one caused a SIGSEGV.
>
> I've seen that char_ucs2_encode scans four times as many characters as
> necessary, overwriting the stack. So, attached is my first attempt to
> fix the problem.
>
> The patch has some issues (AT_WritePhonebook needs rewriting), I'll fix
> them later. Please note that I haven't explicitly tested
> char_ascii_encode, char_hex_encode, and memcpy parts in at_encode.
>
> Please let me know what you think about the patch.

Could you please give more details on the problems? Ie. show the debug
output and the backtrace of the core dump. That would allow me to
understand what went wrong easier.

take care,
pkot
--
Pawel Kot