CVS commit: src/usr.bin/make

["Roland Illig" <rillig%netbsd.org@localhost>]

Module Name:    src
Committed By:   rillig
Date:           Fri Jul 31 07:29:21 UTC 2020

Modified Files:
        src/usr.bin/make: Makefile var.c
        src/usr.bin/make/unit-tests: moderrs.exp

Log Message:
make(1): fix undefined behavior in malformed :S modifier

The unit tests failed on Ubuntu, and by looking closely at the code, it
was trivial to see the out-of-bounds memory read.

Other modifiers may have the same problem and will be inspected later.


To generate a diff of this commit:
cvs rdiff -u -r1.76 -r1.77 src/usr.bin/make/Makefile
cvs rdiff -u -r1.358 -r1.359 src/usr.bin/make/var.c
cvs rdiff -u -r1.9 -r1.10 src/usr.bin/make/unit-tests/moderrs.exp

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