From ef28cc6331ba236f8921fa5e3bd9ba0cab1def24 Mon Sep 17 00:00:00 2001 From: rofl0r Date: Mon, 4 Dec 2017 11:53:52 +0000 Subject: [PATCH] fix segfault in -7 mode regression since ef4eaffd57d939f49d2b0c02506872278baf039c found by @binarymaster --- src/pixiewps.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/pixiewps.c b/src/pixiewps.c index 912e2c8..1e8540b 100644 --- a/src/pixiewps.c +++ b/src/pixiewps.c @@ -729,6 +729,10 @@ usage_err: wps->e_s2 = malloc(WPS_SECRET_NONCE_LEN); if (!wps->e_s2) goto memory_err; wps->psk1 = malloc(WPS_HASH_LEN); if (!wps->psk1) goto memory_err; wps->psk2 = malloc(WPS_HASH_LEN); if (!wps->psk2) goto memory_err; + wps->empty_psk = malloc(WPS_HASH_LEN); if (!wps->empty_psk) goto memory_err; + + empty_pin_hmac(wps); + if ((vtag = find_vtag(decrypted5, wps->m5_encr_len - 16, WPS_TAG_E_SNONCE_1, WPS_NONCE_LEN))) { memcpy(wps->e_s1, vtag->data, WPS_NONCE_LEN); } @@ -814,6 +818,7 @@ usage_err: free(wps->e_s2); free(wps->psk1); free(wps->psk2); + free(wps->empty_psk); } }