Module Name: src Committed By: christos Date: Wed Nov 27 20:40:48 UTC 2013
Modified Files: src/sbin/gpt: map.c Log Message: CID 1132762: Add error check for negative, to make zero-divide in module impossible. To generate a diff of this commit: cvs rdiff -u -r1.5 -r1.6 src/sbin/gpt/map.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sbin/gpt/map.c diff -u src/sbin/gpt/map.c:1.5 src/sbin/gpt/map.c:1.6 --- src/sbin/gpt/map.c:1.5 Wed Nov 20 03:08:47 2013 +++ src/sbin/gpt/map.c Wed Nov 27 15:40:48 2013 @@ -29,7 +29,7 @@ __FBSDID("$FreeBSD: src/sbin/gpt/map.c,v 1.6 2005/08/31 01:47:19 marcel Exp $"); #endif #ifdef __RCSID -__RCSID("$NetBSD: map.c,v 1.5 2013/11/20 08:08:47 jnemeth Exp $"); +__RCSID("$NetBSD: map.c,v 1.6 2013/11/27 20:40:48 christos Exp $"); #endif #include <sys/types.h> @@ -194,6 +194,10 @@ map_resize(map_t *m, off_t size, off_t a n = m->map_next; + if (size < 0 || alignment < 0) { + warnx("negative size or alignment"); + return 0; + } if (size == 0 && alignment == 0) { if (n == NULL || n->map_type != MAP_TYPE_UNUSED) return 0;