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-rw-r--r--security/integrity/evm/evm_crypto.c3
-rw-r--r--security/integrity/ima/ima_policy.c28
2 files changed, 19 insertions, 12 deletions
diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
index e11564eb645b..82a38e801ee4 100644
--- a/security/integrity/evm/evm_crypto.c
+++ b/security/integrity/evm/evm_crypto.c
@@ -89,6 +89,9 @@ static struct shash_desc *init_desc(char type, uint8_t hash_algo)
tfm = &hmac_tfm;
algo = evm_hmac;
} else {
+ if (hash_algo >= HASH_ALGO__LAST)
+ return ERR_PTR(-EINVAL);
+
tfm = &evm_tfm[hash_algo];
algo = hash_algo_name[hash_algo];
}
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index e0cc323f948f..1cc822a59054 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -498,10 +498,11 @@ static void add_rules(struct ima_rule_entry *entries, int count,
list_add_tail(&entry->list, &ima_policy_rules);
}
- if (entries[i].action == APPRAISE)
+ if (entries[i].action == APPRAISE) {
temp_ima_appraise |= ima_appraise_flag(entries[i].func);
- if (entries[i].func == POLICY_CHECK)
- temp_ima_appraise |= IMA_APPRAISE_POLICY;
+ if (entries[i].func == POLICY_CHECK)
+ temp_ima_appraise |= IMA_APPRAISE_POLICY;
+ }
}
}
@@ -1146,10 +1147,10 @@ enum {
};
static const char *const mask_tokens[] = {
- "MAY_EXEC",
- "MAY_WRITE",
- "MAY_READ",
- "MAY_APPEND"
+ "^MAY_EXEC",
+ "^MAY_WRITE",
+ "^MAY_READ",
+ "^MAY_APPEND"
};
#define __ima_hook_stringify(str) (#str),
@@ -1209,6 +1210,7 @@ int ima_policy_show(struct seq_file *m, void *v)
struct ima_rule_entry *entry = v;
int i;
char tbuf[64] = {0,};
+ int offset = 0;
rcu_read_lock();
@@ -1232,15 +1234,17 @@ int ima_policy_show(struct seq_file *m, void *v)
if (entry->flags & IMA_FUNC)
policy_func_show(m, entry->func);
- if (entry->flags & IMA_MASK) {
+ if ((entry->flags & IMA_MASK) || (entry->flags & IMA_INMASK)) {
+ if (entry->flags & IMA_MASK)
+ offset = 1;
if (entry->mask & MAY_EXEC)
- seq_printf(m, pt(Opt_mask), mt(mask_exec));
+ seq_printf(m, pt(Opt_mask), mt(mask_exec) + offset);
if (entry->mask & MAY_WRITE)
- seq_printf(m, pt(Opt_mask), mt(mask_write));
+ seq_printf(m, pt(Opt_mask), mt(mask_write) + offset);
if (entry->mask & MAY_READ)
- seq_printf(m, pt(Opt_mask), mt(mask_read));
+ seq_printf(m, pt(Opt_mask), mt(mask_read) + offset);
if (entry->mask & MAY_APPEND)
- seq_printf(m, pt(Opt_mask), mt(mask_append));
+ seq_printf(m, pt(Opt_mask), mt(mask_append) + offset);
seq_puts(m, " ");
}