CVS commit: src/sys/kern

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

Module Name:    src
Committed By:   chs
Date:           Mon Jun 10 00:35:47 UTC 2019

Modified Files:
        src/sys/kern: sysv_shm.c

Log Message:
shmctl(SHM_LOCK) does not need to mess with mappings of the shm segment,
uvm_obj_wirepages() is sufficient.  this fixes the problem reported in
https://syzkaller.appspot.com/bug?id=71f9271d761f5b6ed517a18030dc04f0135e6179


To generate a diff of this commit:
cvs rdiff -u -r1.134 -r1.135 src/sys/kern/sysv_shm.c

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