Merge tag 'v5.4.59' into 5.4-2.1.x-imx

This is the 5.4.59 stable release

Conflicts (manual resolve):

drivers/gpu/drm/imx/dw_hdmi-imx.c:
drivers/gpu/drm/imx/imx-ldb.c:
drivers/gpu/drm/imx/ipuv3/ipuv3-crtc.c:
Port changes from upstream commit [1a279871012d3], which extends
component lifetime by moving drm structures allocation/free from
bind() to probe().

sound/soc/fsl/fsl_sai.c:
Apply patch [b8ae2bf5ccc66] from upstream, which uses FIFO watermark
mask macro.

Signed-off-by: Andrey Zhizhikin <andrey.z@gmail.com>

3 files changed, 11 insertions, 2 deletions

diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
index be469fce19e1..8173982e00ab 100644
--- a/security/integrity/ima/ima.h
+++ b/security/integrity/ima/ima.h
@@ -362,6 +362,7 @@ static inline void ima_free_modsig(struct modsig *modsig)
 #ifdef CONFIG_IMA_LSM_RULES
 
 #define security_filter_rule_init security_audit_rule_init
+#define security_filter_rule_free security_audit_rule_free
 #define security_filter_rule_match security_audit_rule_match
 
 #else
@@ -372,6 +373,10 @@ static inline int security_filter_rule_init(u32 field, u32 op, char *rulestr,
 	return -EINVAL;
 }
 
+static inline void security_filter_rule_free(void *lsmrule)
+{
+}
+
 static inline int security_filter_rule_match(u32 secid, u32 field, u32 op,
 					     void *lsmrule)
 {
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index 558a7607bf93..e725d4187271 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -254,7 +254,7 @@ static void ima_lsm_free_rule(struct ima_rule_entry *entry)
 	int i;
 
 	for (i = 0; i < MAX_LSM_RULES; i++) {
-		kfree(entry->lsm[i].rule);
+		security_filter_rule_free(entry->lsm[i].rule);
 		kfree(entry->lsm[i].args_p);
 	}
 	kfree(entry);
diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 840a192e9337..9c4308077574 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -884,7 +884,7 @@ static ssize_t smk_set_cipso(struct file *file, const char __user *buf,
 	}
 
 	ret = sscanf(rule, "%d", &maplevel);
-	if (ret != 1 || maplevel > SMACK_CIPSO_MAXLEVEL)
+	if (ret != 1 || maplevel < 0 || maplevel > SMACK_CIPSO_MAXLEVEL)
 		goto out;
 
 	rule += SMK_DIGITLEN;
@@ -905,6 +905,10 @@ static ssize_t smk_set_cipso(struct file *file, const char __user *buf,
 
 	for (i = 0; i < catlen; i++) {
 		rule += SMK_DIGITLEN;
+		if (rule > data + count) {
+			rc = -EOVERFLOW;
+			goto out;
+		}
 		ret = sscanf(rule, "%u", &cat);
 		if (ret != 1 || cat > SMACK_CIPSO_MAXCATNUM)
 			goto out;