diff options
| author |   krw <krw@openbsd.org> | 2015-09-24 11:12:56 +0000 |
|---|---|---|
| committer | krw <krw@openbsd.org> | 2015-09-24 11:12:56 +0000 |
| commit | 7575b7fbf9cb34accfd544a7ff08de340cdbee4e (patch) | |
| tree | 1c4fc0e344cc38d7353b57f550d39604042ebe11 /sys/kern/subr_disk.c | |
| parent | Make comments more accurate. (diff) | |
| download | wireguard-openbsd-7575b7fbf9cb34accfd544a7ff08de340cdbee4e.tar.xz wireguard-openbsd-7575b7fbf9cb34accfd544a7ff08de340cdbee4e.zip | |
A couple of missing letoh32() conversions of GPT header fields in
gpt_chk_hdr() and gpt_chk_parts().
Spotted when investigating zeloff's GPT bug report.
Diffstat (limited to 'sys/kern/subr_disk.c')
| -rw-r--r-- | sys/kern/subr_disk.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/kern/subr_disk.c b/sys/kern/subr_disk.c index 34f4739d189..59a85e1ce61 100644 --- a/sys/kern/subr_disk.c +++ b/sys/kern/subr_disk.c @@ -1,4 +1,4 @@ -/* $OpenBSD: subr_disk.c,v 1.217 2015/09/15 05:35:42 yasuoka Exp $ */ +/* $OpenBSD: subr_disk.c,v 1.218 2015/09/24 11:12:56 krw Exp $ */ /* $NetBSD: subr_disk.c,v 1.17 1996/03/16 23:17:08 christos Exp $ */ /* @@ -631,7 +631,8 @@ gpt_chk_hdr(struct gpt_header *gh, struct disklabel *lp) uint32_t ghsize, ghpartsize, ghpartspersec, ghpartnum; gh->gh_csum = 0; - gh->gh_csum = crc32(0, (unsigned char *)gh, gh->gh_size); + gh->gh_csum = crc32(0, (unsigned char *)gh, + letoh32(gh->gh_size)); if (orig_gh_csum != gh->gh_csum) return (EINVAL); @@ -693,7 +694,7 @@ gpt_chk_parts(struct gpt_header *gh, struct gpt_partition *gp) { u_int32_t checksum; checksum = crc32(0, (unsigned char *)gp, - gh->gh_part_num * gh->gh_part_size); + letoh32(gh->gh_part_num) * letoh32(gh->gh_part_size)); if (checksum != gh->gh_part_csum) return (EINVAL); |