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Merge pull request #3762 from guidovranken/zd11732

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Fix memory leak in fp_gcd
This commit is contained in:
David Garske
2021-02-16 13:04:10 -08:00
committed by GitHub
parent 830de9a9fb 7bd3cccd87
commit cc37227f18
1 changed files with 3 additions and 0 deletions
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wolfcrypt/src/tfm.c
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@@ -5279,6 +5279,9 @@ int fp_gcd(fp_int *a, fp_int *b, fp_int *c)
while (fp_iszero(v) == FP_NO) { while (fp_iszero(v) == FP_NO) {
int err = fp_mod(u, v, r); int err = fp_mod(u, v, r);
if (err != MP_OKAY) { if (err != MP_OKAY) {
#ifdef WOLFSSL_SMALL_STACK
XFREE(u, NULL, DYNAMIC_TYPE_BIGINT);
#endif
return err; return err;
} }
fp_copy(v, u); fp_copy(v, u);