test/sr: Free SRVs before replacing them in test_sr_setup_srv()

Stop leaking parts of the shared random state in the shared-random unit
tests. The previous fix in 29599 was incomplete.

Fixes bug 29706; bugfix on 0.2.9.1-alpha.
This commit is contained in:
teor 2019-03-09 10:50:07 +10:00
parent 2e74edb53e
commit 9400da9b5e
4 changed files with 12 additions and 2 deletions

4
changes/bug29706_minimal Normal file
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@ -0,0 +1,4 @@
o Minor bugfixes (memory management, testing):
- Stop leaking parts of the shared random state in the shared-random unit
tests. The previous fix in 29599 was incomplete.
Fixes bug 29706; bugfix on 0.2.9.1-alpha.

View File

@ -1007,7 +1007,7 @@ state_query(sr_state_action_t action, sr_state_object_t obj_type,
/* Delete the current SRV value from the state freeing it and the value is set /* Delete the current SRV value from the state freeing it and the value is set
* to NULL meaning empty. */ * to NULL meaning empty. */
static void STATIC void
state_del_current_srv(void) state_del_current_srv(void)
{ {
state_query(SR_STATE_ACTION_DEL, SR_STATE_OBJ_CURSRV, NULL, NULL); state_query(SR_STATE_ACTION_DEL, SR_STATE_OBJ_CURSRV, NULL, NULL);
@ -1015,7 +1015,7 @@ state_del_current_srv(void)
/* Delete the previous SRV value from the state freeing it and the value is /* Delete the previous SRV value from the state freeing it and the value is
* set to NULL meaning empty. */ * set to NULL meaning empty. */
static void STATIC void
state_del_previous_srv(void) state_del_previous_srv(void)
{ {
state_query(SR_STATE_ACTION_DEL, SR_STATE_OBJ_PREVSRV, NULL, NULL); state_query(SR_STATE_ACTION_DEL, SR_STATE_OBJ_PREVSRV, NULL, NULL);

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@ -140,6 +140,8 @@ STATIC int is_phase_transition(sr_phase_t next_phase);
STATIC void set_sr_phase(sr_phase_t phase); STATIC void set_sr_phase(sr_phase_t phase);
STATIC sr_state_t *get_sr_state(void); STATIC sr_state_t *get_sr_state(void);
STATIC void state_del_previous_srv(void);
STATIC void state_del_current_srv(void);
#endif /* TOR_UNIT_TESTS */ #endif /* TOR_UNIT_TESTS */

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@ -461,6 +461,8 @@ test_sr_setup_srv(int also_current)
"ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ", "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ",
sizeof(srv->value)); sizeof(srv->value));
/* sr_state_set_previous_srv() does not free() the old previous srv. */
state_del_previous_srv();
sr_state_set_previous_srv(srv); sr_state_set_previous_srv(srv);
if (also_current) { if (also_current) {
@ -470,6 +472,8 @@ test_sr_setup_srv(int also_current)
"NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN", "NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN",
sizeof(srv->value)); sizeof(srv->value));
/* sr_state_set_previous_srv() does not free() the old current srv. */
state_del_current_srv();
sr_state_set_current_srv(srv); sr_state_set_current_srv(srv);
} }
} }