CVS commit: src/sys/uvm

["Chuck Silvers" <chs%netbsd.org@localhost>]

Module Name:    src
Committed By:   chs
Date:           Sat Jun  8 23:48:33 UTC 2019

Modified Files:
        src/sys/uvm: uvm_map.c

Log Message:
in uvm_map_protect(), do a pmap_update() before possibly switching from
removing pmap entries to creating them.  this fixes the problem reported in
https://syzkaller.appspot.com/bug?id=cc89e47f05e4eea2fd69bcccb5e837f8d1ab4d60


To generate a diff of this commit:
cvs rdiff -u -r1.359 -r1.360 src/sys/uvm/uvm_map.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.