[PATCH v2 1/4] perf tools: Fix memory leak in cmd_kvm()

From: Michalis Niarchos via B4 Relay

Date: Mon Aug 03 2026 - 09:14:08 EST


From: Michalis Niarchos <michael.niarchos@xxxxxxxxx>

filename may get allocated by get_filename_for_perf_kvm(), but is
never freed. Use string literals to remove the need for freeing.

Signed-off-by: Michalis Niarchos <michael.niarchos@xxxxxxxxx>
---
tools/perf/builtin-kvm.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 394302ebdb16..44c6998f2ee5 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -606,11 +606,11 @@ static const char *get_filename_for_perf_kvm(void)
const char *filename;

if (perf_host && !perf_guest)
- filename = strdup("perf.data.host");
+ filename = "perf.data.host";
else if (!perf_host && perf_guest)
- filename = strdup("perf.data.guest");
+ filename = "perf.data.guest";
else
- filename = strdup("perf.data.kvm");
+ filename = "perf.data.kvm";

return filename;
}

--
2.55.0