diff options
Diffstat (limited to 'samples/bpf/tracex5.bpf.c')
| -rw-r--r-- | samples/bpf/tracex5.bpf.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/samples/bpf/tracex5.bpf.c b/samples/bpf/tracex5.bpf.c index 8cd697ee70473..4d3d6c9b25fa5 100644 --- a/samples/bpf/tracex5.bpf.c +++ b/samples/bpf/tracex5.bpf.c @@ -10,6 +10,7 @@ #include <uapi/linux/unistd.h> #include <bpf/bpf_helpers.h> #include <bpf/bpf_tracing.h> +#include <bpf/bpf_core_read.h> #define __stringify(x) #x #define PROG(F) SEC("kprobe/"__stringify(F)) int bpf_func_##F @@ -46,7 +47,7 @@ PROG(SYS__NR_write)(struct pt_regs *ctx) { struct seccomp_data sd; - bpf_probe_read_kernel(&sd, sizeof(sd), (void *)PT_REGS_PARM2(ctx)); + bpf_core_read(&sd, sizeof(sd), (void *)PT_REGS_PARM2(ctx)); if (sd.args[2] == 512) { char fmt[] = "write(fd=%d, buf=%p, size=%d)\n"; bpf_trace_printk(fmt, sizeof(fmt), @@ -59,7 +60,7 @@ PROG(SYS__NR_read)(struct pt_regs *ctx) { struct seccomp_data sd; - bpf_probe_read_kernel(&sd, sizeof(sd), (void *)PT_REGS_PARM2(ctx)); + bpf_core_read(&sd, sizeof(sd), (void *)PT_REGS_PARM2(ctx)); if (sd.args[2] > 128 && sd.args[2] <= 1024) { char fmt[] = "read(fd=%d, buf=%p, size=%d)\n"; bpf_trace_printk(fmt, sizeof(fmt), |