freebsd-nq/sys/cddl/dev/systrace
Mark Johnston 36f5d07745 Re-check the systrace probe ID before calling dtrace_probe().
Otherwise there exists a narrow window during which a syscall probe can be
disabled and cause a concurrently-running thread to call dtrace_probe()
with an invalid probe ID.

Reported by:	ngie
MFC after:	1 week
Sponsored by:	Dell EMC Isilon
2016-09-22 23:22:53 +00:00
..
systrace.c