diff options
Diffstat (limited to 'source/winbindd/winbindd.c')
| -rw-r--r-- | source/winbindd/winbindd.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/source/winbindd/winbindd.c b/source/winbindd/winbindd.c index 1d618e26317..6b5c251bf6b 100644 --- a/source/winbindd/winbindd.c +++ b/source/winbindd/winbindd.c @@ -836,7 +836,8 @@ static void process_loop(void) listen_sock = open_winbindd_socket(); listen_priv_sock = open_winbindd_priv_socket(); - if (listen_sock == -1 || listen_priv_sock == -1) { + if (listen_sock < 0 || listen_sock >= FD_SETSIZE || + listen_priv_sock < 0 || listen_priv_sock >= FD_SETSIZE) { perror("open_winbind_socket"); exit(1); } @@ -861,6 +862,9 @@ static void process_loop(void) FD_ZERO(&r_fds); FD_ZERO(&w_fds); + + /* We check the range for listen_sock and + listen_priv_sock above. */ FD_SET(listen_sock, &r_fds); FD_SET(listen_priv_sock, &r_fds); @@ -890,6 +894,12 @@ static void process_loop(void) } for (ev = fd_events; ev; ev = ev->next) { + if (ev->fd < 0 || ev->fd >= FD_SETSIZE) { + /* Ignore here - event_add_to_select_args + should make this impossible. */ + continue; + } + if (ev->flags & EVENT_FD_READ) { FD_SET(ev->fd, &r_fds); maxfd = MAX(ev->fd, maxfd); |