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validate uuid->size in ocf_volume_init

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Optional uuid parameter to ocf_volume_init() points to UUID object
initialized by the user. We should verify it is not excesively large
as we attempt to allocate a buffer to store a copy of the UUID.

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
This commit is contained in:
Adam Rutkowski 2022-06-27 14:49:38 +02:00 committed by Robert Baldyga
parent 364e36ec7e
commit 5a71f7c068
1 changed files with 3 additions and 0 deletions
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3
src/ocf_volume.c
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@ -93,6 +93,9 @@ int ocf_volume_init(ocf_volume_t volume, ocf_volume_type_t type,
if (!volume || !type)
return -OCF_ERR_INVAL;
if (uuid && uuid->size > OCF_VOLUME_UUID_MAX_SIZE)
return -OCF_ERR_INVAL;
priv_size = type->properties->volume_priv_size;
volume->priv = env_zalloc(priv_size, ENV_MEM_NORMAL);
if (!volume->priv)