From: Kunwu Chan <chentao@xxxxxxxxxx> The "malloc" call may not be successful.Add the malloc failure checking to avoid possible null dereference. Changes since v1 [1]: - As Daniel Borkmann suggested, change patch 4/4 only - Other 3 patches no changes. [1] https://lore.kernel.org/all/20240424020444.2375773-1-chentao@xxxxxxxxxx/ Kunwu Chan (4): selftests/bpf: Add some null pointer checks selftests/bpf/sockopt: Add a null pointer check for the run_test selftests/bpf: Add a null pointer check for the load_btf_spec selftests/bpf: Add a null pointer check for the serial_test_tp_attach_query tools/testing/selftests/bpf/prog_tests/sockopt.c | 6 ++++++ tools/testing/selftests/bpf/prog_tests/tp_attach_query.c | 3 +++ tools/testing/selftests/bpf/test_progs.c | 7 +++++++ tools/testing/selftests/bpf/test_verifier.c | 2 ++ 4 files changed, 18 insertions(+) -- 2.40.1