OPNSense/src e28acaesys/kern uipc_mqueue.c

Fix reference count overflow in mqueuefs.

Approved by:    so
Security:       FreeBSD-SA-19:15.mqueuefs
Security:       CVE-2019-5603
DeltaFile
+6-3sys/kern/uipc_mqueue.c
+6-31 files

UnifiedSplitRaw