summaryrefslogtreecommitdiffstats
path: root/kernel/trace/trace_probe.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/trace/trace_probe.c')
-rw-r--r--kernel/trace/trace_probe.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c
index 0dc13bff2847..bf9d3d7e0c9d 100644
--- a/kernel/trace/trace_probe.c
+++ b/kernel/trace/trace_probe.c
@@ -554,6 +554,8 @@ int traceprobe_parse_probe_arg(struct trace_probe *tp, int i, char *arg,
body = strchr(arg, '=');
if (body) {
+ if (body - arg > MAX_ARG_NAME_LEN || body == arg)
+ return -EINVAL;
parg->name = kmemdup_nul(arg, body - arg, GFP_KERNEL);
body++;
} else {