| Message ID | 20230615125350.125557-1-cymi20@fudan.edu.cn (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | tools/io_uring: Fix missing check for return value of malloc() | expand |
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;
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@fudan.edu.cn> --- tools/io_uring/io_uring-bench.c | 5 +++++ 1 file changed, 5 insertions(+)