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2024-05-11 645e752c5a84baeb21015cdc85fc05b7d16312c8

 kernel/security/smack/smackfs.c
.. .. @@ -895,7 +895,7 @@
895 895  	}
896 896  
897 897  	ret = sscanf(rule, "%d", &catlen);
898 -	if (ret != 1 || catlen > SMACK_CIPSO_MAXCATNUM)
898 +	if (ret != 1 || catlen < 0 || catlen > SMACK_CIPSO_MAXCATNUM)
899 899  		goto out;
900 900  
901 901  	if (format == SMK_FIXED24_FMT &&

..	..	@@ -895,7 +895,7 @@
895	895	}
896	896
897	897	ret = sscanf(rule, "%d", &catlen);
898		- if (ret != 1 \|\| catlen > SMACK_CIPSO_MAXCATNUM)
	898	+ if (ret != 1 \|\| catlen < 0 \|\| catlen > SMACK_CIPSO_MAXCATNUM)
899	899	goto out;
900	900
901	901	if (format == SMK_FIXED24_FMT &&