Can't send long string to liveobjects

Hi,

I have to send ~800ko of base64 encoded data to liveobjects.
When string is about 20-30 chars it works, but for more application stop.
(I am new with C)

Here what i do :

    char payload[  ] = "{\"test\":\"long_base64_encoded_string\"}";
    liveobjects_pubData("starterkit!dev", payload, "", "[  ]", 0, 0);

Here my log :

    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | PROCESS: 10258 ,TID 10258
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | SIGNAL: 11, ADDR 0x61616160, AT 0xb6d670ae SI_CODE 0x00000001
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | ILLEGAL ADDRESS 0x61616160
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | LEGATO VERSION
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | 18.09.0-1-g8350546a_05025499e71b1dbb905fd75d6f797c3a_modified
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | 
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | PROCESS COMMAND LINE
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | test 
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | 
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | PROCESS MAP
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | 7f555000-7f557000 r-xp 00000000 ec:01 102725     /legato/apps/078cccf1707352bf3c446f3db863f5d6/read-only/bin/test
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | 7f566000-7f567000 rw-p 00001000 ec:01 102725     /legato/apps/078cccf1707352bf3c446f3db863f5d6/read-only/bin/test
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | 7f567000-7f5a6000 rw-p 00000000 00:00 0          [heap]
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6cf1000-b6e19000 r-xp 00000000 fe:00 863        /lib/libc-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6e19000-b6e28000 ---p 00128000 fe:00 863        /lib/libc-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6e28000-b6e2a000 r--p 00127000 fe:00 863        /lib/libc-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6e2a000-b6e2c000 rw-p 00129000 fe:00 863        /lib/libc-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6e2c000-b6e2e000 rw-p 00000000 00:00 0 
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6e2e000-b6e9c000 r-xp 00000000 fe:00 876        /lib/libm-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6e9c000-b6eab000 ---p 0006e000 fe:00 876        /lib/libm-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6eab000-b6eac000 r--p 0006d000 fe:00 876        /lib/libm-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6eac000-b6ead000 rw-p 0006e000 fe:00 876        /lib/libm-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6ead000-b6eaf000 r-xp 00000000 fe:00 871        /lib/libdl-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6eaf000-b6ebe000 ---p 00002000 fe:00 871        /lib/libdl-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6ebe000-b6ebf000 r--p 00001000 fe:00 871        /lib/libdl-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6ebf000-b6ec0000 rw-p 00002000 fe:00 871        /lib/libdl-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6ec0000-b6ec6000 r-xp 00000000 fe:00 892        /lib/librt-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6ec6000-b6ed5000 ---p 00006000 fe:00 892        /lib/librt-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6ed5000-b6ed6000 r--p 00005000 fe:00 892        /lib/librt-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6ed6000-b6ed7000 rw-p 00006000 fe:00 892        /lib/librt-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6ed7000-b6eed000 r-xp 00000000 fe:00 888        /lib/libpthread-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6eed000-b6efc000 ---p 00016000 fe:00 888        /lib/libpthread-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6efc000-b6efd000 r--p 00015000 fe:00 888        /lib/libpthread-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6efd000-b6efe000 rw-p 00016000 fe:00 888        /lib/libpthread-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6efe000-b6f00000 rw-p 00000000 00:00 0 
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6f00000-b6f50000 r-xp 00000000 ec:01 29259      /legato/systems/current/lib/liblegato.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6f50000-b6f51000 rw-p 00050000 ec:01 29259      /legato/systems/current/lib/liblegato.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6f51000-b6f70000 r-xp 00000000 ec:01 102731     /legato/apps/078cccf1707352bf3c446f3db863f5d6/read-only/lib/libComponent_testComponent.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6f70000-b6f7f000 ---p 0001f000 ec:01 102731     /legato/apps/078cccf1707352bf3c446f3db863f5d6/read-only/lib/libComponent_testComponent.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6f7f000-b6f80000 rw-p 0001e000 ec:01 102731     /legato/apps/078cccf1707352bf3c446f3db863f5d6/read-only/lib/libComponent_testComponent.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6f80000-b6f95000 r-xp 00000000 ec:01 102733     /legato/apps/078cccf1707352bf3c446f3db863f5d6/read-only/lib/libComponent_dataProfileComponent.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6f95000-b6fa5000 ---p 00015000 ec:01 102733     /legato/apps/078cccf1707352bf3c446f3db863f5d6/read-only/lib/libComponent_dataProfileComponent.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6fa5000-b6fa6000 rw-p 00015000 ec:01 102733     /legato/apps/078cccf1707352bf3c446f3db863f5d6/read-only/lib/libComponent_dataProfileComponent.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6fa6000-b6fb8000 r-xp 00000000 ec:01 102729     /legato/apps/078cccf1707352bf3c446f3db863f5d6/read-only/lib/libComponent_LiveObjects.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6fb8000-b6fc8000 ---p 00012000 ec:01 102729     /legato/apps/078cccf1707352bf3c446f3db863f5d6/read-only/lib/libComponent_LiveObjects.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6fc8000-b6fc9000 rw-p 00012000 ec:01 102729     /legato/apps/078cccf1707352bf3c446f3db863f5d6/read-only/lib/libComponent_LiveObjects.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6fc9000-b6fe9000 r-xp 00000000 fe:00 853        /lib/ld-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6ff0000-b6ff2000 rw-p 00000000 00:00 0 
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6ff6000-b6ff8000 rw-p 00000000 00:00 0 
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6ff8000-b6ff9000 r--p 0001f000 fe:00 853        /lib/ld-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | b6ff9000-b6ffa000 rw-p 00020000 fe:00 853        /lib/ld-2.24.so
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | bef86000-befa7000 rw-p 00000000 00:00 0          [stack]
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | befce000-befcf000 r-xp 00000000 00:00 0          [sigpage]
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | ffff0000-ffff1000 r-xp 00000000 00:00 0          [vectors]
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | BACKTRACE
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | PC at b6d670ae
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | LR at b6d33288 [0xbefa5694]
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | LR at b6d4f7fc [0xbefa5eec]
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | LR at 61616161 [0xbefa61ec]
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | r0  61616161 r1  61616160 r2  00000073 r3  00000000 r4  00000001  r5  b6fb6100
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | r6  00000001 r7  b6ff10a0 r8  00000000 r9  61616161 r10 00000000 cpsr 20030030
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | fp  befa5eec ip  ffffffff sp  befa5a08 lr  b6d33288 pc  b6d670ae
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | STACK befa5a08, FRAME befa5eec
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | befa5988: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
    ...
    Nov 30 12:19:51 swi-mdm9x28-wp user.err Legato: =ERR= | test[10258] | DONE
    Nov 30 12:19:51 swi-mdm9x28-wp user.debug Legato:  DBUG | ledService[1404]/framework T=main | ma_led_server.c CleanupClientData() 148 | Client 0x7f57de1c is closed !!!
    Nov 30 12:19:51 swi-mdm9x28-wp user.info Legato:  INFO | dcsDaemon[1367]/dcsDaemon T=main | dcsServer.c CloseSessionEventHandler() 2146 | Client 0x7f57da14 killed, remove allocated resources
    Nov 30 12:19:51 swi-mdm9x28-wp user.info Legato:  INFO | dcsDaemon[1367]/dcsDaemon T=main | dcsServer.c CloseSessionEventHandler() 2146 | Client 0x7f57daa4 killed, remove allocated resources
    Nov 30 12:19:51 swi-mdm9x28-wp user.info Legato:  INFO | dcsDaemon[1367]/dcsDaemon T=main | dcsServer.c TryStopDataSession() 1727 | Tearing down data session
    Nov 30 12:19:51 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[797]/supervisor T=main | proc.c proc_SigChildHandler() 2064 | Process 'test' (PID: 10258) has exited due to signal 11 (Segmentation fault).
    Nov 30 12:19:51 swi-mdm9x28-wp user.warn Legato: -WRN- | dcsDaemon[1367]/le_pa_dcs T=main | pa_dcs_linux.c pa_dcs_SetDefaultGateway() 568 | Default gateway or interface is empty
    Nov 30 12:19:51 swi-mdm9x28-wp user.warn Legato: -WRN- | supervisor[797]/supervisor T=main | app.c app_SigChildHandler() 3972 | Process 'test' in app 'test' faulted: Ignored.
    Nov 30 12:19:51 swi-mdm9x28-wp user.warn Legato: -WRN- | _appStopClient[10306]/framework T=main | LE_FILENAME CreateSocket() 550 | Socket opened as standard i/o file descriptor 2!
    Nov 30 12:19:51 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[797]/supervisor T=main | app.c app_StopComplete() 4643 | app 'test' has stopped.
    Nov 30 12:19:51 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[797]/supervisor T=main | apps.c DeactivateAppContainer() 374 | Application 'test' has stopped.

Thanks