Add missing signal_pipe[0] to fdsr for the non-pty case.

diff --git a/src/exec.c b/src/exec.c
index a000e5ac04eb65e606f8a93daf338c2a243cd00f..09e58dc42ba504fcbf7e946535ac48956e09efa2 100644 (file)
--- a/src/exec.c
+++ b/src/exec.c
@@ -246,6 +246,7 @@ sudo_execve(struct command_details *details, char *argv[], char *envp[],
        zero_bytes(fdsw, howmany(maxfd + 1, NFDBITS) * sizeof(fd_mask));
        zero_bytes(fdsr, howmany(maxfd + 1, NFDBITS) * sizeof(fd_mask));
 
+       FD_SET(signal_pipe[0], fdsr);
        FD_SET(sv[0], fdsr);
        if (!tq_empty(&sigfwd_list))
            FD_SET(sv[0], fdsw);