K 10 svn:author V 5 markj K 8 svn:date V 27 2015-03-30T03:55:51.227899Z K 7 svn:log V 344 Import a missing piece of commit b8fac8e162eda7e98d from illumos-gate. This adds an upper bound, dtrace_ustackdepth_max, to the number of frames traversed when computing the userland stack depth. Some programs - notably firefox - are otherwise able to trigger an infinite loop in dtrace_getustack_common(), causing a panic. MFC after: 1 week END