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80c37bd806
When we got a clear request we did not clear the internal association between the gsm_subscriber_connection and the SCCP part. When we got a DTAP message before the CLEAR COMMAND we will end up in a crash as the ->bts pointer of the connection has been cleared. #0 bsc_scan_msc_msg (conn=0xde178, msg=<value optimized out>) at osmo_bsc_filter.c:258 #1 0x000112c8 in bsc_handle_dt1 (conn=0xdebd8, msg=0xd1f58, len=<value optimized out>) at osmo_bsc_bssap.c:507 #2 0x00010208 in msc_outgoing_sccp_data (conn=<value optimized out>, msg=0xdfacc, len=858696) at osmo_bsc_sccp.c:73 #3 0x0003c110 in sccp_system_incoming (msgb=0xd1f58) at sccp.c:1064
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