From: heinzm@redhat.com
To: dm-devel@redhat.com
Cc: Heinz Mauelshagen <heinzm@redhat.com>
Subject: [PATCH 05/26] dm raid: more restricting data_offset value checks
Date: Wed, 6 Jul 2016 19:24:36 +0200 [thread overview]
Message-ID: <1467825897-26058-6-git-send-email-heinzm@redhat.com> (raw)
From: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
---
drivers/md/dm-raid.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index a382985..b1dbf28 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -1221,7 +1221,8 @@ static int parse_raid_params(struct raid_set *rs, struct dm_arg_set *as,
return -EINVAL;
}
/* Ensure sensible data offset */
- if (value < 0) {
+ if (value < 0 ||
+ (value && (value < MIN_FREE_RESHAPE_SPACE || value % to_sector(PAGE_SIZE)))) {
rs->ti->error = "Bogus data_offset value";
return -EINVAL;
}
--
2.5.5
reply other threads:[~2016-07-06 17:24 UTC|newest]
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