linux-kernel - [PATCH] egalax_ts_serial: Fix potential buffer overflow

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Date:   Sun,  3 Dec 2023 10:06:00 +0100
From:   Zoltán Böszörményi 
        <zboszor@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        zboszormenyi@...om.com,
        Zoltán Böszörményi 
        <zboszor@...il.com>, kernel test robot <lkp@...el.com>
Subject: [PATCH] egalax_ts_serial: Fix potential buffer overflow

Update my old (defunct) email addresses in passing.

Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202311171716.uIQY5rT4-lkp@intel.com/
Signed-off-by: Zoltán Böszörményi <zboszor@...il.com>
---
 CREDITS                                      | 3 ++-
 drivers/input/touchscreen/egalax_ts_serial.c | 6 +++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/CREDITS b/CREDITS
index f33a33fd2371..5efccb40d577 100644
--- a/CREDITS
+++ b/CREDITS
@@ -470,8 +470,9 @@ S: Montreal, Quebec
 S: Canada
 
 N: Zoltán Böszörményi
-E: zboszor@...l.externet.hu
+E: zboszor@...il.com
 D: MTRR emulation with Cyrix style ARR registers, Athlon MTRR support
+D: eGalax serial touchscreen support
 
 N: John Boyd
 E: boyd@....ohio-state.edu
diff --git a/drivers/input/touchscreen/egalax_ts_serial.c b/drivers/input/touchscreen/egalax_ts_serial.c
index 375922d3a6d1..f8b56896a42f 100644
--- a/drivers/input/touchscreen/egalax_ts_serial.c
+++ b/drivers/input/touchscreen/egalax_ts_serial.c
@@ -2,7 +2,7 @@
 /*
  * EETI Egalax serial touchscreen driver
  *
- * Copyright (c) 2015 Zoltán Böszörményi <zboszor@...hu>
+ * Copyright (c) 2015 Zoltán Böszörményi <zboszor@...il.com>
  *
  * based on the
  *
@@ -42,7 +42,7 @@ struct egalax {
 	struct serio *serio;
 	int idx;
 	u8 data[EGALAX_FORMAT_MAX_LENGTH];
-	char phys[32];
+	char phys[NAME_MAX];
 };
 
 static void egalax_process_data(struct egalax *egalax)
@@ -185,6 +185,6 @@ static struct serio_driver egalax_drv = {
 };
 module_serio_driver(egalax_drv);
 
-MODULE_AUTHOR("Zoltán Böszörményi <zboszor@...hu>");
+MODULE_AUTHOR("Zoltán Böszörményi <zboszor@...il.com>");
 MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE("GPL v2");
-- 
2.42.0