fdo-mirrors/xserver
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/xorg/xserver.git synced 2025-12-20 03:30:04 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Xext/sync: avoid null dereference in init_system_idle_counter()

Browse source 
Reported in #1817:

xwayland-24.1.6/redhat-linux-build/../Xext/sync.c:2835:33: acquire_memory: this call could return NULL
xwayland-24.1.6/redhat-linux-build/../Xext/sync.c:2837:28: danger: ‘priv’ could be NULL: unchecked value from [(30)](sarif:/runs/0/results/4/codeFlows/0/threadFlows/0/locations/29)
# 2835|           IdleCounterPriv *priv = malloc(sizeof(IdleCounterPriv));
# 2836|
# 2837|->         priv->value_less = priv->value_greater = NULL;
# 2838|           priv->deviceid = deviceid;
# 2839|

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2072>
This commit is contained in:
Alan Coopersmith 2025-10-04 15:40:22 -07:00 • committed by Marge Bot
parent 0211de37b3
commit 304d21854d
1 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
Xext/sync.c
View file

@ -2801,8 +2801,10 @@ init_system_idle_counter(const char *name, int deviceid)
if (idle_time_counter != NULL) { if (idle_time_counter != NULL) {
IdleCounterPriv *priv = malloc(sizeof(IdleCounterPriv)); IdleCounterPriv *priv = malloc(sizeof(IdleCounterPriv));
priv->value_less = priv->value_greater = NULL; if (priv) {
priv->deviceid = deviceid; priv->value_less = priv->value_greater = NULL;
priv->deviceid = deviceid;
}
idle_time_counter->pSysCounterInfo->private = priv; idle_time_counter->pSysCounterInfo->private = priv;
} }