Port scanning on a server with SSL enabled may cause ASE to stacktrace and hang when the SSL port is scanned. Stack shows a null function name at point of failure.
kernel Current process (0x0) infected with signal 11 (SIGSEGV)
kernel Current Process is running on a Non-Engine Thread
kernel Address 0x0x00002ae2f651d4ba ((null)+0x2ae2f651d4ba), siginfo (code, address) = (1, 0x0x00002ae3a3ffffef)
- This part of the stacktrace shows in internal thread id of 10 for the iocRunController. As shown below the stacktrace does not end normally and stops ubcheck().
00:0010:00000:00000:<date time info> kernel Run to completion task iocRunController(46833470) exception 11
00:0010:00000:00000:<date time info> kernel pc: 0x00000000014a2dc1 nthrd_backtrace+0x3b()
00:0010:00000:00000:<date time info> kernel pc: 0x00000000014c779e krtctskException+0xc4()
00:0010:00000:00000:<date time info> kernel pc: 0x00000000014cf90f kisignal+0xa19()
00:0010:00000:00000:<date time info> kernel ubcheck: addr = 0x7ffffffe is not on the stack starting with address 0x2ae2fa266000 with size 0x200000.
Adaptive Server Enterprise 16.0 SP03 PL06
KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem
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