The malloc() function may return NULL when it fails,
which may cause null pointer deference. Add Null
check for return value of malloc().
Found by our static analysis tool.
Signed-off-by: Chenyuan Mi <cymi20@xxxxxxxxxxxx>
---
tools/io_uring/io_uring-bench.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/io_uring/io_uring-bench.c b/tools/io_uring/io_uring-bench.c
index 7703f0118385..a7fedfdb9b84 100644
--- a/tools/io_uring/io_uring-bench.c
+++ b/tools/io_uring/io_uring-bench.c
@@ -560,6 +560,11 @@ int main(int argc, char *argv[])
pthread_create(&s->thread, NULL, submitter_fn, s);
fdepths = malloc(8 * s->nr_files);
+ if (!fdepths) {
+ printf("malloc failed");
+ return 1;
+ }
+
reap = calls = done = 0;
do {
unsigned long this_done = 0;
--
2.17.1
