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-rw-r--r--src/responder/nss/nsssrv_mmap_cache.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/responder/nss/nsssrv_mmap_cache.c b/src/responder/nss/nsssrv_mmap_cache.c
index 84570ac2..a22bbd59 100644
--- a/src/responder/nss/nsssrv_mmap_cache.c
+++ b/src/responder/nss/nsssrv_mmap_cache.c
@@ -243,6 +243,12 @@ static void sss_mc_rm_rec_from_chain(struct sss_mc_ctx *mcc,
}
slot = mcc->hash_table[hash];
+ if (slot == MC_INVALID_VAL) {
+ /* record has already been removed. It may happen if rec->hash1 and
+ * rec->has2 are the same. (It is not very likely).
+ */
+ return;
+ }
cur = MC_SLOT_TO_PTR(mcc->data_table, slot, struct sss_mc_rec);
if (cur == rec) {
/* rec->next can refer to record without matching hashes.