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authorBhasker Hariharan <bhaskerh@google.com>2020-11-30 20:11:33 -0800
committergVisor bot <gvisor-bot@google.com>2020-11-30 20:13:26 -0800
commit79e2364933bbd34dceb0b9025e4e7d145fdf4492 (patch)
tree25992f0082f2324486f781e339298f98792d06b0 /test/benchmarks/tools/sysbench_test.go
parent54ad145f2eb6d16a3a18b69e1c2adfa558639b72 (diff)
Fix deadlock in UDP handleControlPacket path.
Fixing the sendto deadlock exposed yet another deadlock where a lock inversion occurs on the handleControlPacket path where e.mu and demuxer.epsByNIC.mu are acquired in reverse order from say when RegisterTransportEndpoint is called in endpoint.Connect(). This fix sidesteps the issue by just making endpoint.state an atomic and gets rid of the need to acquire e.mu in e.HandleControlPacket. PiperOrigin-RevId: 344939895
Diffstat (limited to 'test/benchmarks/tools/sysbench_test.go')
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