From d034220c54c63daaa2841e97b653842a47f5e90e Mon Sep 17 00:00:00 2001 From: Bram Moolenaar Date: Mon, 29 Jun 2020 22:40:42 +0200 Subject: patch 8.2.1091: no check if opening a pty works Problem: No check if opening a pty works. Solution: Check for invalid file descriptor. --- src/os_unix.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/os_unix.c') diff --git a/src/os_unix.c b/src/os_unix.c index 095e3a78e..a82256c67 100644 --- a/src/os_unix.c +++ b/src/os_unix.c @@ -5922,6 +5922,8 @@ mch_create_pty_channel(job_T *job, jobopt_T *options) channel_T *channel; open_pty(&pty_master_fd, &pty_slave_fd, &job->jv_tty_out, &job->jv_tty_in); + if (pty_master_fd < 0 || pty_slave_fd < 0) + return FAIL; close(pty_slave_fd); channel = add_channel(); -- cgit v1.2.1