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Fix memory leak in pick_hsdir_v3().

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This patch fixes a memory leak in pick_hsdir_v3() where we might return
early, but forgot to free the responsible_hsdirs variable. We solve this
by not allocating storage for responsible_hsdirs until it's actually
needed.

See: Coverity CID 1437449
This commit is contained in:
Alexander Færøy 2018-06-23 03:40:32 +02:00
parent 6107a2127b
commit ce5d055ed7
1 changed files with 3 additions and 3 deletions
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6
src/or/hs_client.c
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@ -365,14 +365,12 @@ pick_hsdir_v3(const ed25519_public_key_t *onion_identity_pk)
int retval;
char base64_blinded_pubkey[ED25519_BASE64_LEN + 1];
uint64_t current_time_period = hs_get_time_period_num(0);
smartlist_t *responsible_hsdirs;
smartlist_t *responsible_hsdirs = NULL;
ed25519_public_key_t blinded_pubkey;
routerstatus_t *hsdir_rs = NULL;
tor_assert(onion_identity_pk);
responsible_hsdirs = smartlist_new();
/* Get blinded pubkey of hidden service */
hs_build_blinded_pubkey(onion_identity_pk, NULL, 0,
current_time_period, &blinded_pubkey);
@ -383,6 +381,8 @@ pick_hsdir_v3(const ed25519_public_key_t *onion_identity_pk)
}
/* Get responsible hsdirs of service for this time period */
responsible_hsdirs = smartlist_new();
hs_get_responsible_hsdirs(&blinded_pubkey, current_time_period,
0, 1, responsible_hsdirs);