diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_module_attach.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_module_attach.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_module_attach.c b/tools/testing/selftests/bpf/progs/test_module_attach.c index b36857093f71..08628afedb77 100644 --- a/tools/testing/selftests/bpf/progs/test_module_attach.c +++ b/tools/testing/selftests/bpf/progs/test_module_attach.c @@ -64,7 +64,7 @@ int BPF_PROG(handle_fentry, __u32 fentry_manual_read_sz = 0; -SEC("fentry/placeholder") +SEC("fentry") int BPF_PROG(handle_fentry_manual, struct file *file, struct kobject *kobj, struct bin_attribute *bin_attr, char *buf, loff_t off, size_t len) @@ -87,6 +87,18 @@ int BPF_PROG(handle_fexit, return 0; } +SEC("fexit/bpf_testmod_return_ptr") +int BPF_PROG(handle_fexit_ret, int arg, struct file *ret) +{ + long buf = 0; + + bpf_probe_read_kernel(&buf, 8, ret); + bpf_probe_read_kernel(&buf, 8, (char *)ret + 256); + *(volatile long long *)ret; + *(volatile int *)&ret->f_mode; + return 0; +} + __u32 fmod_ret_read_sz = 0; SEC("fmod_ret/bpf_testmod_test_read") |