[alsa-devel] [PATCH] Fix possible sprintf overrun in snd_pcm_hw_open
david.henningsson at canonical.com
Wed Dec 8 13:56:01 CET 2010
On 2010-12-08 13:12, Clemens Ladisch wrote:
> David Henningsson wrote:
>> Possible buffer overrun if the number of "card" and "device"
>> are absurdly high, especially on 64-bit platforms.
> The size of "int" is 32 bits even on 64-bit platforms.
Seems you're right, then I learned something new today :-)
Although this might be compiler dependent, and some exotic platform
might decide otherwise in the future?
> As far as I can see, there is no bug.
Even for 32-bit platforms, you would still overrun the buffer if you set
card = device = −2147483647.
David Henningsson, Canonical Ltd.
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