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| author | Ivan Abramov <i.abramov@mt-integration.ru> | 2025-09-09 23:22:38 +0300 |
|---|---|---|
| committer | Mikulas Patocka <mpatocka@redhat.com> | 2025-09-23 10:49:45 +0200 |
| commit | 9ddf6d3fcbe0b96e318da364cf7e6b59cd4cb5a2 (patch) | |
| tree | ffbe03bcbed8340a628fab30faab96e9fd55c0d6 /drivers/md | |
| parent | dm vdo: Update code to use mem_is_zero (diff) | |
| download | linux-9ddf6d3fcbe0b96e318da364cf7e6b59cd4cb5a2.tar.gz linux-9ddf6d3fcbe0b96e318da364cf7e6b59cd4cb5a2.zip | |
dm vdo: return error on corrupted metadata in start_restoring_volume functions
The return values of VDO_ASSERT calls that validate metadata are not acted
upon.
Return UDS_CORRUPT_DATA in case of an error.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: a4eb7e255517 ("dm vdo: implement the volume index")
Signed-off-by: Ivan Abramov <i.abramov@mt-integration.ru>
Reviewed-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-vdo/indexer/volume-index.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/dm-vdo/indexer/volume-index.c b/drivers/md/dm-vdo/indexer/volume-index.c index 12f954a0c532..afb062e1f1fb 100644 --- a/drivers/md/dm-vdo/indexer/volume-index.c +++ b/drivers/md/dm-vdo/indexer/volume-index.c @@ -836,7 +836,7 @@ static int start_restoring_volume_sub_index(struct volume_sub_index *sub_index, "%zu bytes decoded of %zu expected", offset, sizeof(buffer)); if (result != VDO_SUCCESS) - result = UDS_CORRUPT_DATA; + return UDS_CORRUPT_DATA; if (memcmp(header.magic, MAGIC_START_5, MAGIC_SIZE) != 0) { return vdo_log_warning_strerror(UDS_CORRUPT_DATA, @@ -928,7 +928,7 @@ static int start_restoring_volume_index(struct volume_index *volume_index, "%zu bytes decoded of %zu expected", offset, sizeof(buffer)); if (result != VDO_SUCCESS) - result = UDS_CORRUPT_DATA; + return UDS_CORRUPT_DATA; if (memcmp(header.magic, MAGIC_START_6, MAGIC_SIZE) != 0) return vdo_log_warning_strerror(UDS_CORRUPT_DATA, |