X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/89b1a5980cf39a0f34186a4c91c3b316c7b2f831..84227d174eec333d01ff494695bea0febf11575e:/src/src/rda.c

diff --git a/src/src/rda.c b/src/src/rda.c
index 5615b64d5..fb3714ea2 100644
--- a/src/src/rda.c
+++ b/src/src/rda.c
@@ -618,9 +618,14 @@ search_tidyup();
 if ((pid = exim_fork(US"router-interpret")) == 0)
   {
   header_line *waslast = header_last;   /* Save last header */
+  int fd_flags = -1;
 
   fd = pfd[pipe_write];
   (void)close(pfd[pipe_read]);
+
+  if ((fd_flags = fcntl(fd, F_GETFD)) == -1) goto bad;
+  if (fcntl(fd, F_SETFD, fd_flags | FD_CLOEXEC) == -1) goto bad;
+
   exim_setugid(ugid->uid, ugid->gid, FALSE, rname);
 
   /* Addresses can get rewritten in filters; if we are not root or the exim