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-rw-r--r--tools/perf/util/event.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 73ddaf06b8e7..2a6f33cd888c 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -74,6 +74,7 @@ static pid_t perf_event__get_comm_tgid(pid_t pid, char *comm, size_t len)
if (size >= len)
size = len - 1;
memcpy(comm, name, size);
+ comm[size] = '\0';
} else if (memcmp(bf, "Tgid:", 5) == 0) {
char *tgids = bf + 5;
@@ -554,7 +555,7 @@ static int perf_event__process_kernel_mmap(struct perf_tool *tool __used,
is_kernel_mmap = memcmp(event->mmap.filename,
kmmap_prefix,
- strlen(kmmap_prefix)) == 0;
+ strlen(kmmap_prefix) - 1) == 0;
if (event->mmap.filename[0] == '/' ||
(!is_kernel_mmap && event->mmap.filename[0] == '[')) {