FS-10236: [core] fix crash on hangup with multiple media bugs

diff --git a/src/switch_core_media_bug.c b/src/switch_core_media_bug.c
index 11bbaa5ff932b3291ffca6c5ae08385375dbe3be..17fb560f13f18b8dd890f3fda5c20ed9ba6bdd71 100644 (file)
--- a/src/switch_core_media_bug.c
+++ b/src/switch_core_media_bug.c
@@ -1112,12 +1112,14 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_bug_enumerate(switch_core_sess
 
 SWITCH_DECLARE(switch_status_t) switch_core_media_bug_remove_all_function(switch_core_session_t *session, const char *function)
 {
-       switch_media_bug_t *bp, *last = NULL;
+       switch_media_bug_t *bp, *last = NULL, *next = NULL;
        switch_status_t status = SWITCH_STATUS_FALSE;
 
        if (session->bugs) {
                switch_thread_rwlock_wrlock(session->bug_rwlock);
-               for (bp = session->bugs; bp; bp = bp->next) {
+               for (bp = session->bugs; bp; bp = next) {
+                       next = bp->next;
+
                        if (!switch_test_flag(session, SSF_DESTROYABLE) &&
                                ((bp->thread_id && bp->thread_id != switch_thread_self()) || switch_test_flag(bp, SMBF_LOCK))) {
                                switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "BUG is thread locked skipping.\n");