From 89900bcf4df0fa9c205ea25a4f060907a95f454d Mon Sep 17 00:00:00 2001
From: "Enrico Weigelt, metux IT consult" <info@metux.net>
Date: Tue, 20 Feb 2024 16:21:11 +0100
Subject: [PATCH] eventcomm: fix possible buffer overflow

eventcomm.c: In function 'EventAutoDevProbe':
eventcomm.c:1045:32: warning: '%s' directive writing up to 255 bytes into a region of size 53 [-Wformat-overflow=]
 1045 |             sprintf(fname, "%s/%s", DEV_INPUT_EVENT, namelist[i]->d_name);
      |                                ^~
eventcomm.c:1045:13: note: 'sprintf' output between 12 and 267 bytes into a destination of size 64
 1045 |             sprintf(fname, "%s/%s", DEV_INPUT_EVENT, namelist[i]->d_name);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/driver/xf86-input-synaptics/-/merge_requests/15>
---
 src/eventcomm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/eventcomm.c b/src/eventcomm.c
index 6f2a2a0..05cfec1 100644
--- a/src/eventcomm.c
+++ b/src/eventcomm.c
@@ -1033,7 +1033,7 @@ EventAutoDevProbe(InputInfoPtr pInfo, const char *device)
     }
 
     while (i--) {
-        char fname[64];
+        char fname[PATH_MAX];
         int fd = -1;
 
         if (!touchpad_found) {