Invalid read in mpz_sub
tg at gmplib.org
Wed Apr 6 15:39:21 UTC 2016
Miha Marolt <miham at beyondsemi.com> writes:
In some cases a previously freed memory is read inside the mpz_sub function. Here is
an example program that demonstrates the problem:
The bug is in your code.
When passing x by value, you make copies of the two contained mpz_t
variables, including pointers. Then you cause reallocation of the
original variables, making pointer your copies point to stale data.
Please encrypt, key id 0xC8601622
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