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List: linux-kernel
Subject: [PATCH] input/vmmouse: Fix device name copies
From: Zack Rusin <zack () kde ! org>
Date: 2023-11-27 20:42:06
Message-ID: 20231127204206.3593559-1-zack () kde ! org
[Download RAW message or body]
From: Zack Rusin <zackr@vmware.com>
Make sure vmmouse_data::phys can hold serio::phys (which is 32 bytes)
plus an extra string, extend it to 64.
Fixes gcc13 warnings:
drivers/input/mouse/vmmouse.c: In function ‘vmmouse_init':
drivers/input/mouse/vmmouse.c:455:53: warning: ‘/input1' directive output may be \
truncated writing 7 bytes into a region of size between 1 and 32 \
[-Wformat-truncation=] 455 | snprintf(priv->phys, sizeof(priv->phys), \
"%s/input1", | ^~~~~~~
drivers/input/mouse/vmmouse.c:455:9: note: ‘snprintf' output between 8 and 39 bytes \
into a destination of size 32 455 | snprintf(priv->phys, sizeof(priv->phys), \
"%s/input1", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
456 | psmouse->ps2dev.serio->phys);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Zack Rusin <zackr@vmware.com>
Fixes: 8b8be51b4fd3 ("Input: add vmmouse driver")
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: VMware Graphics Reviewers <linux-graphics-maintainer@vmware.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Raul Rangel <rrangel@chromium.org>
Cc: linux-input@vger.kernel.org
Cc: <stable@vger.kernel.org> # v4.1+
---
drivers/input/mouse/vmmouse.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/mouse/vmmouse.c b/drivers/input/mouse/vmmouse.c
index ea9eff7c8099..7248cada4c8c 100644
--- a/drivers/input/mouse/vmmouse.c
+++ b/drivers/input/mouse/vmmouse.c
@@ -72,7 +72,7 @@
*/
struct vmmouse_data {
struct input_dev *abs_dev;
- char phys[32];
+ char phys[64];
char dev_name[128];
};
--
2.39.2
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