On 11/16/09, sudheer.divakaran@xxxxxxxxx <sudheer.divakaran@xxxxxxxxx> wrote: > > If we disassemble the binary 'bad', we can see that AsmFn2 is followed by > the function Main. As before, once the control enters AsmFn2, since it > doesn't have a ret statement, it would execute the instructions below and > would enter the function main & that would again call AsmFn1->AsmFn2->main > and this process continues and I think after a point of time, stack > corruption happens. > I second and support Sudheer nice analysis. If we modify test.c to count how many times main() was called, I saw that it was called 174589 times before it hit segfault. Stack overflow I believe, since it likely hit stack size limit (set via getrlimit()) -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
