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authorJoel Sing <jsing@cvs.openbsd.org>2011-01-22 15:23:46 +0000
committerJoel Sing <jsing@cvs.openbsd.org>2011-01-22 15:23:46 +0000
commit885020429082df1c7644eac72c438a1f14474010 (patch)
tree34979115f2cda4f2af7efc7b1e92c37bbad79628
parentda218fbabc4fd7c48b2115bef645a38d6c99e91b (diff)
Ensure that boot storage area exists and is large enough, before
installing boot code. ok marco@
-rw-r--r--sys/dev/softraid.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/dev/softraid.c b/sys/dev/softraid.c
index dc1bdae598d..089e6bf82c3 100644
--- a/sys/dev/softraid.c
+++ b/sys/dev/softraid.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: softraid.c,v 1.218 2011/01/12 20:38:33 marco Exp $ */
+/* $OpenBSD: softraid.c,v 1.219 2011/01/22 15:23:45 jsing Exp $ */
/*
* Copyright (c) 2007, 2008, 2009 Marco Peereboom <marco@peereboom.us>
* Copyright (c) 2008 Chris Kuethe <ckuethe@openbsd.org>
@@ -3188,6 +3188,12 @@ sr_ioctl_installboot(struct sr_softc *sc, struct bioc_installboot *bb)
if (sd == NULL)
goto done;
+ /* Ensure that boot storage area is large enough. */
+ if (sd->sd_meta->ssd_data_offset < (SR_BOOT_OFFSET + SR_BOOT_SIZE)) {
+ printf("%s: insufficient boot storage!\n", DEVNAME(sd->sd_sc));
+ goto done;
+ }
+
if (bb->bb_bootblk_size > SR_BOOT_BLOCKS_SIZE * 512)
goto done;