Message ID | 20231015232953.84836-5-hengqi.chen@gmail.com (mailing list archive) |
---|---|
State | Changes Requested |
Delegated to: | BPF |
Headers | show |
Series | seccomp: Make seccomp filter reusable | expand |
Context | Check | Description |
---|---|---|
bpf/vmtest-bpf-next-PR | success | PR summary |
netdev/tree_selection | success | Not a local patch, async |
bpf/vmtest-bpf-next-VM_Test-2 | success | Logs for build for s390x with gcc |
bpf/vmtest-bpf-next-VM_Test-6 | success | Logs for test_maps on aarch64 with gcc |
bpf/vmtest-bpf-next-VM_Test-3 | success | Logs for build for x86_64 with gcc |
bpf/vmtest-bpf-next-VM_Test-8 | success | Logs for test_maps on x86_64 with gcc |
bpf/vmtest-bpf-next-VM_Test-5 | success | Logs for set-matrix |
bpf/vmtest-bpf-next-VM_Test-7 | success | Logs for test_maps on s390x with gcc |
bpf/vmtest-bpf-next-VM_Test-9 | success | Logs for test_maps on x86_64 with llvm-16 |
bpf/vmtest-bpf-next-VM_Test-1 | success | Logs for build for aarch64 with gcc |
bpf/vmtest-bpf-next-VM_Test-16 | success | Logs for test_progs_no_alu32 on x86_64 with gcc |
bpf/vmtest-bpf-next-VM_Test-12 | success | Logs for test_progs on x86_64 with gcc |
bpf/vmtest-bpf-next-VM_Test-4 | success | Logs for build for x86_64 with llvm-16 |
bpf/vmtest-bpf-next-VM_Test-19 | success | Logs for test_progs_no_alu32_parallel on x86_64 with gcc |
bpf/vmtest-bpf-next-VM_Test-17 | success | Logs for test_progs_no_alu32 on x86_64 with llvm-16 |
bpf/vmtest-bpf-next-VM_Test-10 | success | Logs for test_progs on aarch64 with gcc |
bpf/vmtest-bpf-next-VM_Test-18 | success | Logs for test_progs_no_alu32_parallel on aarch64 with gcc |
bpf/vmtest-bpf-next-VM_Test-11 | success | Logs for test_progs on s390x with gcc |
bpf/vmtest-bpf-next-VM_Test-15 | success | Logs for test_progs_no_alu32 on s390x with gcc |
bpf/vmtest-bpf-next-VM_Test-14 | success | Logs for test_progs_no_alu32 on aarch64 with gcc |
bpf/vmtest-bpf-next-VM_Test-13 | success | Logs for test_progs on x86_64 with llvm-16 |
bpf/vmtest-bpf-next-VM_Test-20 | success | Logs for test_progs_no_alu32_parallel on x86_64 with llvm-16 |
bpf/vmtest-bpf-next-VM_Test-21 | success | Logs for test_progs_parallel on aarch64 with gcc |
bpf/vmtest-bpf-next-VM_Test-22 | success | Logs for test_progs_parallel on x86_64 with gcc |
bpf/vmtest-bpf-next-VM_Test-23 | success | Logs for test_progs_parallel on x86_64 with llvm-16 |
bpf/vmtest-bpf-next-VM_Test-24 | success | Logs for test_verifier on aarch64 with gcc |
bpf/vmtest-bpf-next-VM_Test-25 | success | Logs for test_verifier on s390x with gcc |
bpf/vmtest-bpf-next-VM_Test-26 | success | Logs for test_verifier on x86_64 with gcc |
bpf/vmtest-bpf-next-VM_Test-27 | success | Logs for test_verifier on x86_64 with llvm-16 |
bpf/vmtest-bpf-next-VM_Test-28 | success | Logs for veristat |
bpf/vmtest-bpf-next-VM_Test-0 | success | Logs for ShellCheck |
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index 38f651469968..86600d40d01f 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -4735,6 +4735,50 @@ TEST(user_notification_wait_killable_fatal) EXPECT_EQ(SIGTERM, WTERMSIG(status)); } +TEST(seccomp_filter_load_and_attach) +{ + struct sock_filter filter[] = { + BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_ALLOW), + }; + struct sock_fprog prog = { + .len = (unsigned short)ARRAY_SIZE(filter), + .filter = filter, + }; + int fd, ret, flags; + + flags = 0; + fd = seccomp(SECCOMP_LOAD_FILTER, flags, &prog); + ASSERT_GT(fd, -1); + + flags = SECCOMP_FILTER_FLAG_BPF_PROG_FD; + ret = seccomp(SECCOMP_SET_MODE_FILTER, flags, &fd); + ASSERT_EQ(ret, 0); + + close(fd); +} + +TEST(seccomp_attach_fd_failed) +{ + int fd, ret, flags; + + fd = socket(AF_UNIX, SOCK_STREAM, 0); + ASSERT_GT(fd, -1); + + /* copy a sock_fprog from a fd */ + flags = 0; + ret = seccomp(SECCOMP_SET_MODE_FILTER, flags, &fd); + ASSERT_EQ(ret, -1); + ASSERT_EQ(errno, EFAULT); + + /* pass a non seccomp bpf prog fd */ + flags = SECCOMP_FILTER_FLAG_BPF_PROG_FD; + ret = seccomp(SECCOMP_SET_MODE_FILTER, flags, &fd); + ASSERT_EQ(ret, -1); + ASSERT_EQ(errno, EBADF); + + close(fd); +} + /* * TODO: * - expand NNP testing
Add testcases to exercise the newly added seccomp filter load and attach functionalities. Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com> --- tools/testing/selftests/seccomp/seccomp_bpf.c | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+)