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FS-10189: [core] switch_core_add_state_handler runtime.state_handler_index may exceed SWITCH_MAX_STATE_HANDLERS #resolve

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Anthony Minessale committed 2017-06-05 18:31:56 -05:00
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commit a09c9cfa7a
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src/switch_core.c
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@@ -310,12 +310,13 @@ SWITCH_DECLARE(int) switch_core_add_state_handler(const switch_state_handler_tab
int index; int index;
switch_mutex_lock(runtime.global_mutex); switch_mutex_lock(runtime.global_mutex);
index = runtime.state_handler_index++; index = runtime.state_handler_index;
if (runtime.state_handler_index >= SWITCH_MAX_STATE_HANDLERS) { if (index > (SWITCH_MAX_STATE_HANDLERS - 1)) {
index = -1; index = -1;
} else { } else {
runtime.state_handlers[index] = state_handler; runtime.state_handlers[index] = state_handler;
runtime.state_handler_index++;
} }
switch_mutex_unlock(runtime.global_mutex); switch_mutex_unlock(runtime.global_mutex);