diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_vmlinux.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_vmlinux.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_vmlinux.c b/tools/testing/selftests/bpf/progs/test_vmlinux.c index 29fa09d6a6c6..78b23934d9f8 100644 --- a/tools/testing/selftests/bpf/progs/test_vmlinux.c +++ b/tools/testing/selftests/bpf/progs/test_vmlinux.c @@ -16,15 +16,17 @@ bool kprobe_called = false; bool fentry_called = false; SEC("tp/syscalls/sys_enter_nanosleep") -int handle__tp(struct trace_event_raw_sys_enter *args) +int handle__tp(struct syscall_trace_enter *args) { struct __kernel_timespec *ts; + long tv_nsec; - if (args->id != __NR_nanosleep) + if (args->nr != __NR_nanosleep) return 0; ts = (void *)args->args[0]; - if (BPF_CORE_READ(ts, tv_nsec) != MY_TV_NSEC) + if (bpf_probe_read_user(&tv_nsec, sizeof(ts->tv_nsec), &ts->tv_nsec) || + tv_nsec != MY_TV_NSEC) return 0; tp_called = true; @@ -35,12 +37,14 @@ SEC("raw_tp/sys_enter") int BPF_PROG(handle__raw_tp, struct pt_regs *regs, long id) { struct __kernel_timespec *ts; + long tv_nsec; if (id != __NR_nanosleep) return 0; - ts = (void *)PT_REGS_PARM1_CORE(regs); - if (BPF_CORE_READ(ts, tv_nsec) != MY_TV_NSEC) + ts = (void *)PT_REGS_PARM1_CORE_SYSCALL(regs); + if (bpf_probe_read_user(&tv_nsec, sizeof(ts->tv_nsec), &ts->tv_nsec) || + tv_nsec != MY_TV_NSEC) return 0; raw_tp_called = true; @@ -51,12 +55,14 @@ SEC("tp_btf/sys_enter") int BPF_PROG(handle__tp_btf, struct pt_regs *regs, long id) { struct __kernel_timespec *ts; + long tv_nsec; if (id != __NR_nanosleep) return 0; - ts = (void *)PT_REGS_PARM1_CORE(regs); - if (BPF_CORE_READ(ts, tv_nsec) != MY_TV_NSEC) + ts = (void *)PT_REGS_PARM1_CORE_SYSCALL(regs); + if (bpf_probe_read_user(&tv_nsec, sizeof(ts->tv_nsec), &ts->tv_nsec) || + tv_nsec != MY_TV_NSEC) return 0; tp_btf_called = true; |