xserver: Branch 'master'
GitLab Mirror
gitlab-mirror at kemper.freedesktop.org
Tue Oct 16 23:43:33 UTC 2018
hw/xfree86/fbdevhw/fbdevhw.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
New commits:
commit 71703e4e8bd00719eefad53c2ed6c604079f87ea
Author: rpm-build <rpm-build>
Date: Wed Oct 17 09:00:59 2018 +1000
xfree86: ensure the readlink buffer is null-terminated
Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
Reviewed-by: Dave Airlie <airlied at redhat.com>
diff --git a/hw/xfree86/fbdevhw/fbdevhw.c b/hw/xfree86/fbdevhw/fbdevhw.c
index 95089515c..f146ff4a4 100644
--- a/hw/xfree86/fbdevhw/fbdevhw.c
+++ b/hw/xfree86/fbdevhw/fbdevhw.c
@@ -331,12 +331,12 @@ fbdev_open(int scrnIndex, const char *dev, char **namep)
/* only touch non-PCI devices on this path */
{
- char buf[PATH_MAX];
+ char buf[PATH_MAX] = {0};
char *sysfs_path = NULL;
char *node = strrchr(dev, '/') + 1;
if (asprintf(&sysfs_path, "/sys/class/graphics/%s", node) < 0 ||
- readlink(sysfs_path, buf, sizeof(buf)) < 0 ||
+ readlink(sysfs_path, buf, sizeof(buf) - 1) < 0 ||
strstr(buf, "devices/pci")) {
free(sysfs_path);
close(fd);
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