git: DragonFly_RELEASE_4_6 kernel - Fix improper user-space access in sys___semctl()

[Matthew Dillon]

commit e0abb586cdeaafbc052a71a09160f8fa4f6940a7
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Fri Oct 14 09:32:12 2016 -0700

    kernel - Fix improper user-space access in sys___semctl()
    
    * Fix an improper user-space access in sys__semctl()
    
    * Fix an improper kernel-space access that was using
      a user-supplied pointer.
    
    Reported-by: Mateusz Kocielski - LogicalTrust

Summary of changes:
 sys/kern/sysv_sem.c | 48 ++++++++++++++++++++----------------------------
 1 file changed, 20 insertions(+), 28 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/e0abb586cdeaafbc052a71a09160f8fa4f6940a7


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