CVS commit: [netbsd-9] src/sys/uvm

["Martin Husemann" <martin%netbsd.org@localhost>]

Module Name:    src
Committed By:   martin
Date:           Mon Oct 21 20:17:31 UTC 2019

Modified Files:
        src/sys/uvm [netbsd-9]: uvm_mmap.c

Log Message:
Pull up following revision(s) (requested by maxv in ticket #355):

        sys/uvm/uvm_mmap.c: revision 1.173

Change 'npgs' from int to size_t. Otherwise the 64bit->32bit conversion
could lead to npgs=0, which is not expected. It later triggers a panic
in uvm_vsunlock().
Found by TriforceAFL (Akul Pillai).


To generate a diff of this commit:
cvs rdiff -u -r1.172 -r1.172.4.1 src/sys/uvm/uvm_mmap.c

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