Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Fixed
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6.3.0
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None
Description
MaxScale crashes when it is used with a mix of MariaDB 10.2.7 and MariaDB 10.6 backends. This happens as the 10.2 backends end up sending a resultset that is not using the DEPRECATE_EOF resultset format which ends up causing MaxScale to crash.
alert : /lib64/libc.so.6(+0x8f88c): /usr/src/debug/glibc-2.34-29.fc35.x86_64/nptl/pthread_kill.c:44
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/lib64/libc.so.6(raise+0x16): /usr/src/debug/glibc-2.34-29.fc35.x86_64/signal/../sysdeps/posix/raise.c:27
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN24MariaDBBackendConnection18process_one_packetEN8maxscale6Buffer8iteratorES2_j+0x65e): server/modules/protocol/MariaDB/mariadb_backend.cc:2190 (discriminator 3)
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN24MariaDBBackendConnection15process_packetsEPP5GWBUF+0x27e): server/modules/protocol/MariaDB/mariadb_backend.cc:2098
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN24MariaDBBackendConnection14track_responseEPP5GWBUF+0x24): server/modules/protocol/MariaDB/mariadb_backend.cc:1697
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN24MariaDBBackendConnection11normal_readEv+0x2e9): server/modules/protocol/MariaDB/mariadb_backend.cc:681
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN24MariaDBBackendConnection17ready_for_readingEP3DCB+0x392): server/modules/protocol/MariaDB/mariadb_backend.cc:544
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN3DCB14process_eventsEj+0x55f): server/core/dcb.cc:1311
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN3DCB13event_handlerEPS_j+0x6b): server/core/dcb.cc:1376
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN3DCB12poll_handlerEP13MXB_POLL_DATAP10MXB_WORKERj+0x54): server/core/dcb.cc:1402
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker15poll_waiteventsEv+0x47b): maxutils/maxbase/src/worker.cc:848
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker3runEPNS_9SemaphoreE+0x12c): maxutils/maxbase/src/worker.cc:556
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker11thread_mainEPS0_PNS_9SemaphoreE+0x23): maxutils/maxbase/src/worker.cc:682
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZSt13__invoke_implIvPFvPN7maxbase6WorkerEPNS0_9SemaphoreEEJS2_S4_EET_St14__invoke_otherOT0_DpOT1_+0x4d): /usr/include/c++/11/bits/invoke.h:61
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZSt8__invokeIPFvPN7maxbase6WorkerEPNS0_9SemaphoreEEJS2_S4_EENSt15__invoke_resultIT_JDpT0_EE4typeEOS8_DpOS9_+0x4f): /usr/include/c++/11/bits/invoke.h:97
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZNSt6thread8_InvokerISt5tupleIJPFvPN7maxbase6WorkerEPNS2_9SemaphoreEES4_S6_EEE9_M_invokeIJLm0ELm1ELm2EEEEvSt12_Index_tupleIJXspT_EEE+0x5f): /usr/include/c++/11/bits/std_thread.h:253
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZNSt6thread8_InvokerISt5tupleIJPFvPN7maxbase6WorkerEPNS2_9SemaphoreEES4_S6_EEEclEv+0x18): /usr/include/c++/11/bits/std_thread.h:260
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZNSt6thread11_State_implINS_8_InvokerISt5tupleIJPFvPN7maxbase6WorkerEPNS3_9SemaphoreEES5_S7_EEEEE6_M_runEv+0x1c): /usr/include/c++/11/bits/std_thread.h:211
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/lib64/libstdc++.so.6(+0xd95c4): /usr/src/debug/gcc-11.2.1-9.fc35.x86_64/obj-x86_64-redhat-linux/x86_64-redhat-linux/libstdc++-v3/include/bits/unique_ptr.h:85
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/lib64/libc.so.6(+0x8db1a): /usr/src/debug/glibc-2.34-29.fc35.x86_64/nptl/pthread_create.c:443
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/lib64/libc.so.6(+0x112660): /usr/src/debug/glibc-2.34-29.fc35.x86_64/misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:83
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