fix rejection of dns responses with pointers past 512 byte offset

[musl] / src / process / execvp.c

diff --git a/src/process/execvp.c b/src/process/execvp.c
index 2dddedd..ef3b9dd 100644 (file)
--- a/src/process/execvp.c
+++ b/src/process/execvp.c
@@ -3,7 +3,6 @@
 #include <unistd.h>
 #include <errno.h>
 #include <limits.h>
-#include "libc.h"
 
 extern char **__environ;
 
@@ -29,8 +28,7 @@ int __execvpe(const char *file, char *const argv[], char *const envp[])
 
        for(p=path; ; p=z) {
                char b[l+k+1];
-               z = strchr(p, ':');
-               if (!z) z = p+strlen(p);
+               z = __strchrnul(p, ':');
                if (z-p >= l) {
                        if (!*z++) break;
                        continue;