Re: [PATCH bpf-next 09/10] bpf: disallow bpf_probe_read[_str] helpers

2019-10-09 Thread Alexei Starovoitov
On 10/8/19 10:29 PM, Andrii Nakryiko wrote: > On Fri, Oct 4, 2019 at 10:04 PM Alexei Starovoitov wrote: >> >> Disallow bpf_probe_read() and bpf_probe_read_str() helpers in >> raw_tracepoint bpf programs that use in-kernel BTF to track >> types of memory accesses. >> >> Signed-off-by: Alexei Starov

Re: [PATCH bpf-next 09/10] bpf: disallow bpf_probe_read[_str] helpers

2019-10-08 Thread Andrii Nakryiko
On Fri, Oct 4, 2019 at 10:04 PM Alexei Starovoitov wrote: > > Disallow bpf_probe_read() and bpf_probe_read_str() helpers in > raw_tracepoint bpf programs that use in-kernel BTF to track > types of memory accesses. > > Signed-off-by: Alexei Starovoitov > --- > kernel/trace/bpf_trace.c | 4 >

[PATCH bpf-next 09/10] bpf: disallow bpf_probe_read[_str] helpers

2019-10-04 Thread Alexei Starovoitov
Disallow bpf_probe_read() and bpf_probe_read_str() helpers in raw_tracepoint bpf programs that use in-kernel BTF to track types of memory accesses. Signed-off-by: Alexei Starovoitov --- kernel/trace/bpf_trace.c | 4 1 file changed, 4 insertions(+) diff --git a/kernel/trace/bpf_trace.c b/ke