diff options
| author | Philippe Schenker <philippe.schenker@toradex.com> | 2022-05-19 16:29:13 +0200 |
|---|---|---|
| committer | Philippe Schenker <philippe.schenker@toradex.com> | 2022-05-19 16:29:13 +0200 |
| commit | e6fb5c32f78f99682821f91b3959e222c93e4cb9 (patch) | |
| tree | 3f6c281a7d83a6e3c0a153f93718f7cd9a39b6f7 /drivers/md/persistent-data/dm-space-map-common.c | |
| parent | 585dc27c53b6c1a32a7e11b724e91d7297388a13 (diff) | |
| parent | b7007e1d615b8d4b71c28ebf790c5164fc4491d5 (diff) | |
Merge remote-tracking branch 'gh-fslc/5.4-2.3.x-imx' into toradex_5.4-2.3.x-imx
Diffstat (limited to 'drivers/md/persistent-data/dm-space-map-common.c')
| -rw-r--r-- | drivers/md/persistent-data/dm-space-map-common.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/persistent-data/dm-space-map-common.c b/drivers/md/persistent-data/dm-space-map-common.c index a213bf11738f..85853ab62971 100644 --- a/drivers/md/persistent-data/dm-space-map-common.c +++ b/drivers/md/persistent-data/dm-space-map-common.c @@ -281,6 +281,11 @@ int sm_ll_lookup_bitmap(struct ll_disk *ll, dm_block_t b, uint32_t *result) struct disk_index_entry ie_disk; struct dm_block *blk; + if (b >= ll->nr_blocks) { + DMERR_LIMIT("metadata block out of bounds"); + return -EINVAL; + } + b = do_div(index, ll->entries_per_block); r = ll->load_ie(ll, index, &ie_disk); if (r < 0) |