PR/55468 CVS commit: src/external/bsd/nvi/dist/vi

["Rin Okuyama" <rin%netbsd.org@localhost>]

The following reply was made to PR bin/55468; it has been noted by GNATS.

From: "Rin Okuyama" <rin%netbsd.org@localhost>
To: gnats-bugs%gnats.NetBSD.org@localhost
Cc: 
Subject: PR/55468 CVS commit: src/external/bsd/nvi/dist/vi
Date: Tue, 7 Jul 2020 10:58:43 +0000

 Module Name:	src
 Committed By:	rin
 Date:		Tue Jul  7 10:58:43 UTC 2020
 
 Modified Files:
 	src/external/bsd/nvi/dist/vi: v_txt.c
 
 Log Message:
 PR bin/55468
 
 Fix crash due to out-of-bounds access with Ctrl-W.
 
 PR is only for nottywerase, but also fix ttywerase case, taken from
 OpenBSD via nvi2:
 
 http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/vi/vi/v_txt.c#rev1.23
 https://github.com/lichray/nvi2/commit/5d5365d3585f45651f9b4a366391798a91393337
 
 Also, comment there is no worry for altwerase specific code, which
 seems suspicious at a glance.
 
 Reported by Azuma OKAMOTO.
 Thanks for detailed explanation how to reproduce the problem!
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.6 -r1.7 src/external/bsd/nvi/dist/vi/v_txt.c
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.