21 lines
600 B
Diff
21 lines
600 B
Diff
Based on https://gmplib.org/repo/gmp-6.2/raw-rev/561a9c25298e,
|
|
adapted for 5.x by ris
|
|
|
|
diff -r e1fd9db13b47 -r 561a9c25298e mpz/inp_raw.c
|
|
--- a/mpz/inp_raw.c Tue Dec 22 23:49:51 2020 +0100
|
|
+++ b/mpz/inp_raw.c Thu Oct 21 19:06:49 2021 +0200
|
|
@@ -81,8 +81,11 @@
|
|
|
|
abs_csize = ABS (csize);
|
|
|
|
+ if (UNLIKELY (abs_csize > ~(mp_bitcnt_t) 0 / 8))
|
|
+ return 0; /* Bit size overflows */
|
|
+
|
|
/* round up to a multiple of limbs */
|
|
- abs_xsize = (abs_csize*8 + GMP_NUMB_BITS-1) / GMP_NUMB_BITS;
|
|
+ abs_xsize = ((mp_bitcnt_t)abs_csize*8 + GMP_NUMB_BITS-1) / GMP_NUMB_BITS;
|
|
|
|
if (abs_xsize != 0)
|
|
{
|
|
|