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Arduino: Crash when calling ModbusTCPServer.begin() #75

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kscholty opened this issue Nov 19, 2021 · 0 comments · Fixed by #76
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Arduino: Crash when calling ModbusTCPServer.begin() #75

kscholty opened this issue Nov 19, 2021 · 0 comments · Fixed by #76
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type: imperfection Perceived defect in any part of project

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@kscholty
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ModbusTCPServer.begin() initializes the client in the libmodbus data structure with NULL and
then calls close() which in turn tries to call the client's stop function.
This leads to a NULL-Pointer access.
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type: imperfection Perceived defect in any part of project
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Fixed segfault when initializing TCP server. "Client" is 0 there.
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@per1234 @kscholty