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-rw-r--r--kernel/trace/trace_events_filter.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 11c3973e655..49e44dd1785 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -275,9 +275,10 @@ static int regex_match_middle(char *str, struct regex *r, int len)
275 275
276static int regex_match_end(char *str, struct regex *r, int len) 276static int regex_match_end(char *str, struct regex *r, int len)
277{ 277{
278 char *ptr = strstr(str, r->pattern); 278 int strlen = len - 1;
279 279
280 if (ptr && (ptr[r->len] == 0)) 280 if (strlen >= r->len &&
281 memcmp(str + strlen - r->len, r->pattern, r->len) == 0)
281 return 1; 282 return 1;
282 return 0; 283 return 0;
283} 284}