Thanks! 20 chars + NULL char is enough to crash the stack:
from back_linux.c (buffer contains line from /proc/modules)
char name[20];
int size;
int used;
/* Check to see if NVdriver/nvidia is loaded and if it is used.
/ For various versions the driver isn't initialized whe n X hasn't
/ been started and it can crash then.
*/
if(sscanf(buffer,"%s %d %d",&name, &size, &used) != 3) continue;
** Changed in: nvclock (Ubuntu)
Status: Confirmed => In Progress
--
Stack Smashing Prevents Use
https://launchpad.net/bugs/72117
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