git: kernel - Fix sys_vmspace_ctl()

Matthew Dillon dillon at
Tue Nov 24 11:58:19 PST 2020

commit 25206fdbb46aa92432513d3bb2a69cf5697a7c98
Author: Matthew Dillon <dillon at>
Date:   Tue Nov 24 11:57:20 2020 -0800

    kernel - Fix sys_vmspace_ctl()
    * This system call overwrites the trap-frame.  The new syscall code
      just has the argument pointer (uap) pointing into the trap-frame,
      so in this particular case we have to copy the arguments out before
      overwriting it.
    Reported-by: pikrzyszt, tuxillo

Summary of changes:
 sys/vm/vm_vmspace.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

DragonFly BSD source repository

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