Commit 5002615a authored by Yafang Shao's avatar Yafang Shao Committed by Daniel Borkmann

bpf: Warn on non-preallocated case for BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE

BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE is also tracing type, which may
cause unexpected memory allocation if we set BPF_F_NO_PREALLOC. Let's
also warn on it similar as we do in case of BPF_PROG_TYPE_RAW_TRACEPOINT.
Signed-off-by: default avatarYafang Shao <laoar.shao@gmail.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Acked-by: default avatarYonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20220713160936.57488-1-laoar.shao@gmail.com
parent ca2e1a62
......@@ -12572,6 +12572,7 @@ static bool is_tracing_prog_type(enum bpf_prog_type type)
case BPF_PROG_TYPE_TRACEPOINT:
case BPF_PROG_TYPE_PERF_EVENT:
case BPF_PROG_TYPE_RAW_TRACEPOINT:
case BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE:
return true;
default:
return false;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment