[Bug #20592] Fix segfault when sending NULL to freeaddrinfo

On alpine freeaddrinfo does not accept NULL pointer
ruby · Jun 22, 2024 · fba8aff · fba8aff
1 parent d122a68
commit fba8aff
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/ext/socket/raddrinfo.c b/ext/socket/raddrinfo.c
@@ -278,7 +278,7 @@ void
 rb_freeaddrinfo(struct rb_addrinfo *ai)
 {
  if (!ai->allocated_by_malloc)
- freeaddrinfo(ai->ai);
+ if (ai->ai) freeaddrinfo(ai->ai);
  else {
  struct addrinfo *ai1, *ai2;
  ai1 = ai->ai;
@@ -423,7 +423,7 @@ do_getaddrinfo(void *ptr)
  arg->err = err;
  arg->gai_errno = gai_errno;
  if (arg->cancelled) {
- freeaddrinfo(arg->ai);
+ if (arg->ai) freeaddrinfo(arg->ai);
  }
  else {
  arg->done = 1;