From 44f8884c2e2eac2b5596ad4bdb4a616ff8467ff3 Mon Sep 17 00:00:00 2001
From: nicm <nicm@openbsd.org>
Date: Sat, 14 Aug 2021 16:26:29 +0000
Subject: [PATCH] Some other missing palette NULL checks, from oss-fuzz.

---
 usr.bin/tmux/input.c | 42 +++++++++++++++++++++++++-----------------
 1 file changed, 25 insertions(+), 17 deletions(-)

diff --git a/usr.bin/tmux/input.c b/usr.bin/tmux/input.c
index 44c9bff749c..51d142cdd0e 100644
--- a/usr.bin/tmux/input.c
+++ b/usr.bin/tmux/input.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: input.c,v 1.191 2021/08/13 06:52:51 nicm Exp $ */
+/* $OpenBSD: input.c,v 1.192 2021/08/14 16:26:29 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -2556,10 +2556,12 @@ input_osc_10(struct input_ctx *ictx, const char *p)
 		log_debug("bad OSC 10: %s", p);
 		return;
 	}
-	ictx->palette->fg = c;
-	if (wp != NULL)
-		wp->flags |= PANE_STYLECHANGED;
-	screen_write_fullredraw(&ictx->ctx);
+	if (ictx->palette != NULL) {
+		ictx->palette->fg = c;
+		if (wp != NULL)
+			wp->flags |= PANE_STYLECHANGED;
+		screen_write_fullredraw(&ictx->ctx);
+	}
 }
 
 /* Handle the OSC 110 sequence for resetting background colour. */
@@ -2570,10 +2572,12 @@ input_osc_110(struct input_ctx *ictx, const char *p)
 
 	if (*p != '\0')
 		return;
-	ictx->palette->fg = 8;
-	if (wp != NULL)
-		wp->flags |= PANE_STYLECHANGED;
-	screen_write_fullredraw(&ictx->ctx);
+	if (ictx->palette != NULL) {
+		ictx->palette->fg = 8;
+		if (wp != NULL)
+			wp->flags |= PANE_STYLECHANGED;
+		screen_write_fullredraw(&ictx->ctx);
+	}
 }
 
 /* Handle the OSC 11 sequence for setting and querying background colour. */
@@ -2596,10 +2600,12 @@ input_osc_11(struct input_ctx *ictx, const char *p)
 		log_debug("bad OSC 11: %s", p);
 		return;
 	}
-	ictx->palette->bg = c;
-	if (wp != NULL)
-		wp->flags |= PANE_STYLECHANGED;
-	screen_write_fullredraw(&ictx->ctx);
+	if (ictx->palette != NULL) {
+		ictx->palette->bg = c;
+		if (wp != NULL)
+			wp->flags |= PANE_STYLECHANGED;
+		screen_write_fullredraw(&ictx->ctx);
+	}
 }
 
 /* Handle the OSC 111 sequence for resetting background colour. */
@@ -2610,10 +2616,12 @@ input_osc_111(struct input_ctx *ictx, const char *p)
 
 	if (*p != '\0')
 		return;
-	ictx->palette->bg = 8;
-	if (wp != NULL)
-		wp->flags |= PANE_STYLECHANGED;
-	screen_write_fullredraw(&ictx->ctx);
+	if (ictx->palette != NULL) {
+		ictx->palette->bg = 8;
+		if (wp != NULL)
+			wp->flags |= PANE_STYLECHANGED;
+		screen_write_fullredraw(&ictx->ctx);
+	}
 }
 
 /* Handle the OSC 52 sequence for setting the clipboard. */
-- 
2.20.1