Add length check on command line input

2 years ago · 4a9ae83d64
parent 2f95139c77
commit 4a9ae83d64
1 changed files with 1 additions and 1 deletions
--- a/BUSYBOX/chmod/vtchmod.c
+++ b/BUSYBOX/chmod/vtchmod.c
@ -11,7 +11,7 @@ int main(int argc, char **argv)
        return 1;
    }

-    if (argv[1][0] == '-' && argv[1][1] == '6')
+    if (strlen(argv[1]) > 1 && argv[1][0] == '-' && argv[1][1] == '6')
    {
        struct utsname buf;
        if (0 == uname(&buf))