421ab6c3fb
WebRTC RTC publish streams use timer callbacks (`SrsRtcPublishRtcpTimer` and `SrsRtcPublishTwccTimer`) that can cause race conditions in SRS's coroutine-based architecture. The timer callbacks are heavy functions that may trigger coroutine switches, during which the timer object can be freed by another coroutine, leading to use-after-free crashes. The race condition occurs because: 1. Timer callbacks (`on_timer`) perform heavy operations that can yield control 2. During coroutine switches, other coroutines may destroy the timer object 3. When control returns, the callback continues executing on a freed object Fixes potential crashes in WebRTC RTC publish streams under high concurrency. |
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