From 994dab40555427792aff0f75bd970dfaae8163ee Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Tue, 18 Apr 2017 12:56:45 -0700 Subject: Memory leak in load-balance maps Change-Id: Iec67ae1232e346d5e0000e0b4c997fdc31865bc6 Signed-off-by: Neale Ranns --- src/vnet/dpo/load_balance_map.c | 13 ++++++++++--- src/vnet/fib/fib_test.c | 12 ++++++++++-- 2 files changed, 20 insertions(+), 5 deletions(-) diff --git a/src/vnet/dpo/load_balance_map.c b/src/vnet/dpo/load_balance_map.c index 70ce1bf7..4e27e5db 100644 --- a/src/vnet/dpo/load_balance_map.c +++ b/src/vnet/dpo/load_balance_map.c @@ -415,6 +415,14 @@ load_balance_map_init (load_balance_map_t *lbm, return (lbm); } +static void +load_balance_map_destroy (load_balance_map_t *lbm) +{ + vec_free(lbm->lbm_paths); + vec_free(lbm->lbm_buckets); + pool_put(load_balance_map_pool, lbm); +} + index_t load_balance_map_add_or_lock (u32 n_buckets, u32 sum_of_weights, @@ -434,6 +442,7 @@ load_balance_map_add_or_lock (u32 n_buckets, else { lbm = load_balance_map_get(lbmi); + load_balance_map_destroy(tmp); } lbm->lbm_locks++; @@ -468,9 +477,7 @@ load_balance_map_unlock (index_t lbmi) if (0 == lbm->lbm_locks) { load_balance_map_db_remove(lbm); - vec_free(lbm->lbm_paths); - vec_free(lbm->lbm_buckets); - pool_put(load_balance_map_pool, lbm); + load_balance_map_destroy(lbm); } } diff --git a/src/vnet/fib/fib_test.c b/src/vnet/fib/fib_test.c index c58dc5a1..cbb5640a 100644 --- a/src/vnet/fib/fib_test.c +++ b/src/vnet/fib/fib_test.c @@ -717,6 +717,7 @@ fib_test_v4 (void) const load_balance_t *lb; test_main_t *tm; u32 fib_index; + int lb_count; int ii; /* via 10.10.10.1 */ @@ -730,6 +731,9 @@ fib_test_v4 (void) tm = &test_main; + /* record the nubmer of load-balances in use before we start */ + lb_count = pool_elts(load_balance_pool); + /* Find or create FIB table 11 */ fib_index = fib_table_find_or_create_and_lock(FIB_PROTOCOL_IP4, 11); @@ -3154,7 +3158,7 @@ fib_test_v4 (void) "LB maps's bucket 1 is %d", lbm->lbm_buckets[1]); - load_balance_map_unlock(lb->lb_map); + load_balance_map_unlock(lbmi); /* * add it back. again @@ -3249,7 +3253,7 @@ fib_test_v4 (void) "LB Map for 200.200.200.200/32 at %d is %d", ii, lbm->lbm_buckets[ii]); } - + load_balance_map_unlock(lbmi); /* * tidy up @@ -3850,6 +3854,10 @@ fib_test_v4 (void) fib_entry_pool_size()); FIB_TEST((ENBR-5 == pool_elts(fib_urpf_list_pool)), "uRPF pool size is %d", pool_elts(fib_urpf_list_pool)); + FIB_TEST((0 == pool_elts(load_balance_map_pool)), "LB-map pool size is %d", + pool_elts(load_balance_map_pool)); + FIB_TEST((lb_count == pool_elts(load_balance_pool)), "LB pool size is %d", + pool_elts(load_balance_pool)); return 0; } -- cgit 1.2.3-korg