Fredrik Hallenberg created PROTON-2543:
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Summary: Crash in epoll.c resched_pop_front
Key: PROTON-2543
URL: https://issues.apache.org/jira/browse/PROTON-2543
Project: Qpid Proton
Issue Type: Bug
Reporter: Fredrik Hallenberg
Attachments: qpid-epoll-crash.patch
During stress testing it is fairly easy to reproduce a segfault in
resched_pop_front. Using gdb it is easy to see that polled_resched_front can be
zero when entering this function which causes the value to wrap and then a
crash in later calls.
polled_resched_front is not checked when calling this function in one instance,
the trivial fix to check this value is seen in the attached patch seems to work.
Tested with Qpid Proton C++ 0.37.
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