diff options
| -rw-r--r-- | src/responder/nss/nsssrv_mmap_cache.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/responder/nss/nsssrv_mmap_cache.c b/src/responder/nss/nsssrv_mmap_cache.c index e312be19..2958bbac 100644 --- a/src/responder/nss/nsssrv_mmap_cache.c +++ b/src/responder/nss/nsssrv_mmap_cache.c @@ -106,6 +106,12 @@ static void sss_mc_add_rec_to_chain(struct sss_mc_ctx *mcc, struct sss_mc_rec *cur; uint32_t slot; + if (hash > mcc->ht_size) { + /* Invalid hash. This should never happen, but better + * return than trying to access out of bounds memory */ + return; + } + slot = mcc->hash_table[hash]; if (slot == MC_INVALID_VAL) { /* no previous record/collision, just add to hash table */ @@ -136,6 +142,12 @@ static void sss_mc_rm_rec_from_chain(struct sss_mc_ctx *mcc, struct sss_mc_rec *cur = NULL; uint32_t slot; + if (hash > mcc->ht_size) { + /* Invalid hash. This should never happen, but better + * return than trying to access out of bounds memory */ + return; + } + slot = mcc->hash_table[hash]; cur = MC_SLOT_TO_PTR(mcc->data_table, slot, struct sss_mc_rec); if (cur == rec) { |