The function smack_kernel_act_as() must return -EINVAL if the label returned by smack_from_secid() is equal to 'smack_known_invalid.smk_known', which means that no entries in the 'smack_known_list' list matching the security identifier given are found. Signed-off-by: Roberto Sassu <roberto.sassu@xxxxxxxxx> --- security/smack/smack_lsm.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index e3c9e54..0e7ed31 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -1415,7 +1415,7 @@ static int smack_kernel_act_as(struct cred *new, u32 secid) struct task_smack *new_tsp = new->security; char *smack = smack_from_secid(secid); - if (smack == NULL) + if (smack == smack_known_invalid.smk_known) return -EINVAL; new_tsp->smk_task = smack; -- 1.7.4.4
Attachment:
smime.p7s
Description: S/MIME cryptographic signature
