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servald crashing in performance_timing #103

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jonashoechst opened this issue Apr 29, 2016 · 1 comment
Open

servald crashing in performance_timing #103

jonashoechst opened this issue Apr 29, 2016 · 1 comment

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@jonashoechst
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We discoverd a bug in performance_timing.c which causes servald to crash in our 100 nodes hub scenario. The config enabled debug.timing=true.

Servald crashed on two nodes, which produced almost the same FATAL report.

qemu7-serval.txt
qemu10-serval.txt
@lakeman lakeman mentioned this issue May 2, 2016
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@lakeman
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lakeman commented May 2, 2016

Looks like it might be some kind of "use after free" problem.

Our "network_destination" structs are reference counted and should only be released when all uses are gone.

Added debug.ref_counts option in d7e1e40 that might help to work out if we are missing a reference increment.

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@lakeman @jonashoechst