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| author | John Högberg <[email protected]> | 2018-07-18 10:23:51 +0200 |
|---|---|---|
| committer | Hans Nilsson <[email protected]> | 2018-08-09 16:41:09 +0200 |
| commit | 806a409df7cf2b07a39b3876fd36099579df126a (patch) | |
| tree | 2cabffbb3f0ec80d3fb71152b8dbd0777e34632d /lib/crypto/c_src/crypto.c | |
| parent | db6059a9217767a6e42e93cec05089c0ec977d20 (diff) | |
| download | otp-806a409df7cf2b07a39b3876fd36099579df126a.tar.gz otp-806a409df7cf2b07a39b3876fd36099579df126a.tar.bz2 otp-806a409df7cf2b07a39b3876fd36099579df126a.zip | |
crypto: Fix crash in compute_key(ecdh, ...) on badarg
When term2point was passed a non-binary argument, `my_ecpoint`
would be left uninitialized and the cleanup code would free a
garbage pointer.
Diffstat (limited to 'lib/crypto/c_src/crypto.c')
| -rw-r--r-- | lib/crypto/c_src/crypto.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c index 94a207cba6..6e855939f7 100644 --- a/lib/crypto/c_src/crypto.c +++ b/lib/crypto/c_src/crypto.c @@ -3757,7 +3757,7 @@ static ERL_NIF_TERM ecdh_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF int i; EC_GROUP *group; const BIGNUM *priv_key; - EC_POINT *my_ecpoint; + EC_POINT *my_ecpoint = NULL; EC_KEY *other_ecdh = NULL; if (!get_ec_key(env, argv[1], argv[2], atom_undefined, &key)) |