[MESOS-8834] Indirect recursion between `send` and `_send` in libprocess may cause stack overflow.

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Duplicate
• Affects Version/s: 1.5.0
• Fix Version/s: 1.5.1, 1.6.0
• Component/s: libprocess
• Labels: core libprocess send
• Target Version/s: 1.5.0
• Assignee: Unassigned
• Reporter: liwuqi
• Shepherd: Benjamin Mahler
• Created: 25/Apr/18 02:27
• Updated: 04/May/18 20:34
• Resolved: 27/Apr/18 00:32

Description

如果某个process while(true)发消息，将导致大量消息缓存在outgoing[socket]里，而在底层由internal::send和internal::_send去执行消息的发送，那么就会出现递归调用：
_send -> send -> _send ->send -> ... ->_send -> send -> ....

导致调用栈不断增加，最终栈耗尽发生core dump问题.

我本地测试，发现当栈层次达到40,000+时发生core dump

为了解决这个问题，需要修改底层消息发送机制

 

请关注这个问题，谢谢

 

Issue Links

• is duplicated by: MESOS-8594 Mesos master stack overflow in libprocess socket send loop.