If perform_io() fails, kill the child before exiting so it doesn't

complain about connection reset.  We can get an I/O error if, for
example, and we get EIO reading from stdin.

diff --git a/src/exec.c b/src/exec.c
index 09e58dc42ba504fcbf7e946535ac48956e09efa2..ced5e09ef943a30f2ea4aee636c5bab42995e68c 100644 (file)
--- a/src/exec.c
+++ b/src/exec.c
@@ -310,8 +310,12 @@ sudo_execve(struct command_details *details, char *argv[], char *envp[],
            }
        }
 
-       if (perform_io(fdsr, fdsw, cstat) != 0)
+       if (perform_io(fdsr, fdsw, cstat) != 0) {
+           /* I/O error, kill child if still alive and finish. */
+           schedule_signal(SIGKILL);
+           forward_signals(sv[0]);
            break;
+       }
     }
 
     if (log_io) {