Date: Tue, 21 Oct 2008 18:52:38 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r184136 - head/sys/geom Message-ID: <200810211852.m9LIqcrf006190@svn.freebsd.org>
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Author: kib Date: Tue Oct 21 18:52:38 2008 New Revision: 184136 URL: http://svn.freebsd.org/changeset/base/184136 Log: Do not overflow crashdumpmap. Reported and tested by: pho Reviewed by: jhb MFC after: 1 week Modified: head/sys/geom/geom_disk.c Modified: head/sys/geom/geom_disk.c ============================================================================== --- head/sys/geom/geom_disk.c Tue Oct 21 18:51:55 2008 (r184135) +++ head/sys/geom/geom_disk.c Tue Oct 21 18:52:38 2008 (r184136) @@ -179,7 +179,7 @@ g_disk_kerneldump(struct bio *bp, struct 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;
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