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==14315==ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address 0x7ffc381eceaa at pc 0x7fde7bb5c4f7 bp 0x7ffc381ece70 sp 0x7ffc381ece60

READ of size 2 at 0x7ffc381eceaa thread T0

    #0 0x7fde7bb5c4f6 in modutil_count_signal_packets /home/markusjm/MaxScale/server/core/modutil.cc:732

    #1 0x7fde72cd8c59 in complete_ps_response /home/markusjm/MaxScale/server/modules/protocol/MySQL/mariadbbackend/mysql_backend.c:675

    #2 0x7fde72cd9935 in gw_read_and_write /home/markusjm/MaxScale/server/modules/protocol/MySQL/mariadbbackend/mysql_backend.c:840

    #3 0x7fde72cd783c in gw_read_backend_event /home/markusjm/MaxScale/server/modules/protocol/MySQL/mariadbbackend/mysql_backend.c:484

    #4 0x7fde7bb16686 in dcb_process_poll_events /home/markusjm/MaxScale/server/core/dcb.cc:3070

    #5 0x7fde7bb16df2 in dcb_handler /home/markusjm/MaxScale/server/core/dcb.cc:3155

    #6 0x7fde7bb16f41 in dcb_poll_handler /home/markusjm/MaxScale/server/core/dcb.cc:3191

    #7 0x7fde7bbe25d8 in maxscale::Worker::poll_waitevents() /home/markusjm/MaxScale/server/core/worker.cc:1212

    #8 0x7fde7bbe0a6e in maxscale::Worker::run() /home/markusjm/MaxScale/server/core/worker.cc:892

    #9 0x40d29c in main /home/markusjm/MaxScale/server/core/gateway.cc:2292

    #10 0x7fde791c911a in __libc_start_main (/lib64/libc.so.6+0x2311a)

    #11 0x405199 in _start (/home/markusjm/build-2.2/bin/maxscale+0x405199)

Address 0x7ffc381eceaa is located in stack of thread T0

SUMMARY: AddressSanitizer: dynamic-stack-buffer-overflow /home/markusjm/MaxScale/server/core/modutil.cc:732 in modutil_count_signal_packets

Shadow bytes around the buggy address:

  0x100007035980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  0x100007035990: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  0x1000070359a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  0x1000070359b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  0x1000070359c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

=>0x1000070359d0: ca ca ca ca 00[03]cb cb cb cb cb cb 00 00 00 00

  0x1000070359e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  0x1000070359f0: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 02 f2 f2 f2

  0x100007035a00: f2 f2 f2 f2 00 01 f2 f2 00 00 00 00 00 00 00 00

  0x100007035a10: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2

  0x100007035a20: f2 f2 f2 f2 f2 f2 00 04 f2 f2 f3 f3 f3 f3 00 00

Shadow byte legend (one shadow byte represents 8 application bytes):

  Addressable:           00

  Partially addressable: 01 02 03 04 05 06 07 

  Heap left redzone:       fa

  Freed heap region:       fd

  Stack left redzone:      f1

  Stack mid redzone:       f2

  Stack right redzone:     f3

  Stack after return:      f5

  Stack use after scope:   f8

  Global redzone:          f9

  Global init order:       f6

  Poisoned by user:        f7

  Container overflow:      fc

  Array cookie:            ac

  Intra object redzone:    bb

  ASan internal:           fe

  Left alloca redzone:     ca

  Right alloca redzone:    cb

==14315==ABORTING