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Prevent crash in execve() if env is NULL

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Simon Ruderich
2018-02-01 21:40:02 +01:00
parent 545c6af1da
commit f78c0377c1
1 changed files with 5 additions and 0 deletions
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5
src/coloredstderr.c
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@@ -554,6 +554,11 @@ pid_t vfork(void) {
HOOK_FUNC_DEF3(int, execve, char const *, filename, char * const *, argv, char * const *, env) {
DLSYM_FUNCTION(real_execve, "execve");
char * const fake_env[] = {NULL};
if (env == NULL) {
env = fake_env;
}
/* Count environment variables. */
size_t count = 0;
char * const *x = env;