[v1.4.3] MySQL_Data_Stream::buffer2array(): Assertion `rc==0' failed - leads to crash

[ojassangameswara]

Hi, we are observing this error, and I am not sure I understand what the cause is. There is no clear indication in the proxysql.log file leading up to it. I can provide the core dump file if that would help debug

Thanks,
Ojas

proxysql: mysql_data_stream.cpp:472: int MySQL_Data_Stream::buffer2array(): Assertion `rc==0' failed.

Error: signal 6:

proxysql(_Z13crash_handleri+0x1a)[0x444a6a]

/lib64/libc.so.6(+0x35270)[0x7f8184b3e270]

/lib64/libc.so.6(gsignal+0x37)[0x7f8184b3e1f7]

/lib64/libc.so.6(abort+0x148)[0x7f8184b3f8e8]

/lib64/libc.so.6(+0x2e266)[0x7f8184b37266]

/lib64/libc.so.6(+0x2e312)[0x7f8184b37312]

proxysql[0x53f123]

proxysql(_ZN17MySQL_Data_Stream9read_pktsEv+0x1a)[0x53f14a]

proxysql(_ZN12MySQL_Thread27process_data_on_data_streamEP17MySQL_Data_Streamj+0x400)[0x466280]

proxysql(_ZN12MySQL_Thread3runEv+0xd2d)[0x46ec9d]

proxysql(_Z24mysql_worker_thread_funcPv+0x6c)[0x442e2c]

/lib64/libpthread.so.0(+0x7de5)[0x7f8186460de5]

/lib64/libc.so.6(clone+0x6d)[0x7f8184c0130d]

2018-03-05 18:42:24 main.cpp:814:ProxySQL_daemonize_

[renecannao]

This seems related to compression.
A core dump is highly appreciated.

[renecannao]

Also, please let me know what OS version are you running.
Thanks

[ojassangameswara]

Sure, to what email can i send this file?

[renecannao]

[email protected]

Thanks

[ojassangameswara]

Thanks Rene, I have sent a zipped core dump file to you

[renecannao]

A follow up on this issue.
Issue seems solved.
For some unknown reason (probably a client library bug), client seems to be sending uncompressed packets marked as compressed.
Closing