Github user shinrich commented on the issue:
https://github.com/apache/trafficserver/issues/1476
Still struggling with this issue. Running into it every 2-4 hours in
production. At this point, I think it is a use-after-free, but as noted avoid
ASAN fails in this case.
Looking at a core more closely, it seems to be an incoming client VC that
is being messed up. In the core, the remote_addr of the VC did not match the
src_addr in the HttpSM. Both IP addresses show up in our squid.log at roughly
the same time.
We are running with accept threads. I'm going to turn that off on my test
machine, I assume that will eliminate this race condition. If so, then will
need to press on and see how we are freeing the VC early.
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