| Message ID | 20250219122715.3892223-1-quic_zhonhan@quicinc.com |
|---|---|
| State | New |
| Headers | show |
| Series | pm: cpupower: bench: Prevent NULL dereference on malloc failure | expand |
diff --git a/tools/power/cpupower/bench/parse.c b/tools/power/cpupower/bench/parse.c index 080678d9d74e..bd67c758b33a 100644 --- a/tools/power/cpupower/bench/parse.c +++ b/tools/power/cpupower/bench/parse.c @@ -121,6 +121,10 @@ FILE *prepare_output(const char *dirname) struct config *prepare_default_config() { struct config *config = malloc(sizeof(struct config)); + if (!config) { + perror("malloc"); + return NULL; + } dprintf("loading defaults\n");
If malloc returns NULL due to low memory, 'config' pointer can be NULL. Add a check to prevent NULL dereference. Signed-off-by: Zhongqiu Han <quic_zhonhan@quicinc.com> --- tools/power/cpupower/bench/parse.c | 4 ++++ 1 file changed, 4 insertions(+)