uxioserv crash with signal 11 during proxy updates

Products

• CA Automic Dollar Universe

Issue/Introduction

The uxioserv crashed with signal 11 generating a core while a "proxy update" was running at the same time that a command "uxadd fla" had been launched.
Trace in universe.log:

| 2024-05-04 16:00:17 |INFO |X|IO |pid=8368.5| io_sync_proxy             | Partial sync: 70 proxy updates received
| 2024-05-04 16:00:17 |FATAL|X|IO |pid=8368.557| k_process_signal          | *** execution handler: SIGNAL=(11) PID=(8368) PPID=(1) GPID=(8368)

The stack of the thread that crashed

------------  lwp# 557 / thread# 557  ---------------
 fc3ac895 kill     (b, 0, fa5a4bdc, fc37f387, b, fc3ea000) + 15
 fc3a8465 __sighndlr (b, 0, fa5a4bdc, fe31a2b0) + 15
 fc39b2be call_user_handler (b) + 2d2
 fc39b756 sigacthandler (b, 0, fa5a4bdc) + ee
 --- called from signal handler with signal 11 (SIGSEGV) ---
 fc31b36e memcpy   (d2f6fb1, d2f6fb5, d2f6dc4, 0, 0, 0) + ee
 fd69638b getSecurity (d2f686c, c479538, fd07134d) + 11b
 fe5c0243 owls_init_client (fa5a61a8, 72, d2f6864, d2f6860, 0, 0) + 1e3
 fe5bfd5c owls_io_proto (72, d2f6864, b082f88, fa5a6498, 7ff8, fa5a8cf8) + 8c
 fe65a3d3 u_traite_req_client (d2f6860, fa5a8cf8, b082f88) + 413
 fe6598de u_io_thread_trt (d2f6860, 0) + 3ae
 fd3bf34c worker_thread (d2f6860, fc3ea000, fa5a8fe8, fc3a7fe9) + 28c
 fc3a803c _thrp_setup (fab8ca40) + 9d
 fc3a8320 _lwp_start ()

 

On the IO_DUMP log we cannot see more than 5000 lines and they're all related to the proxy check of the command as the u_proxy.dta contained around 20000 proxies:

| 2024-05-04 16:00:17 |TRACE|X|IO |pid=8368.559| IsMatchProxyFilter        | System user SERVER\USER does not match pattern on system : "SYS" does not match "UVC" (other filters "SERVER" "LOGIN")
| 2024-05-04 16:00:17 |FATAL|X|IO |pid=8368.557| k_process_signal          | *** execution handler: SIGNAL=(11) PID=(8368) PPID=(1) GPID=(8368)

Environment

Dollar Universe 6.x or 7.x

Cause

Defect DE122819

Resolution

Update to a fix version listed below or a newer version if available.

Fix version(s): 
Component: Application Server (Node)
Dollar Universe 7.01.11 - Planned to be released October 2025

Additional Information

Public Description: A problem has been fixed where proxies synchronization from UVMS can lead to a memory corruption causing a crash of the Application Server.