From 7a882637fe0aa75ffd3a8734c28ccdf0210a7ad1 Mon Sep 17 00:00:00 2001 From: Konstantin Belousov Date: Tue, 21 Oct 2008 18:52:38 +0000 Subject: Do not overflow crashdumpmap. Reported and tested by: pho Reviewed by: jhb MFC after: 1 week --- sys/geom/geom_disk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'sys') diff --git a/sys/geom/geom_disk.c b/sys/geom/geom_disk.c index 20998bdd4175..a931dcfbbc52 100644 --- a/sys/geom/geom_disk.c +++ b/sys/geom/geom_disk.c @@ -179,7 +179,7 @@ g_disk_kerneldump(struct bio *bp, struct disk *dp) di.dumper = dp->d_dump; di.priv = dp; di.blocksize = dp->d_sectorsize; - di.maxiosize = dp->d_maxsize; + di.maxiosize = min(dp->d_maxsize, MAXDUMPPGS * PAGE_SIZE); di.mediaoffset = gkd->offset; if ((gkd->offset + gkd->length) > dp->d_mediasize) gkd->length = dp->d_mediasize - gkd->offset; -- cgit v1.3