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From: Paul LeoNerd Evans <leonerd@leonerd.org.uk>
Date: Mon, 9 Apr 2018 23:47:47 +0100
Subject: Don't attempt to select() on invalid fds (thanks Steve Langasek)
(LP#1744933)
---
src/term.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/term.c b/src/term.c
index d65fb6d..6ec3f44 100644
--- a/src/term.c
+++ b/src/term.c
@@ -682,6 +682,9 @@ void tickit_term_input_wait_msec(TickitTerm *tt, long msec)
FD_ZERO(&readfds);
int fd = termkey_get_fd(tk);
+ if (fd < 0 || fd >= FD_SETSIZE)
+ return;
+
FD_SET(fd, &readfds);
int ret = select(fd + 1, &readfds, NULL, NULL, msec > -1 ? &timeout : NULL);
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