From 251e2d337a1a4f2572439ea29fd27f8699c5c368 Mon Sep 17 00:00:00 2001 From: Daniel Borkmann Date: Sat, 2 Nov 2019 00:18:01 +0100 Subject: bpf, samples: Use bpf_probe_read_user where appropriate Use bpf_probe_read_user() helper instead of bpf_probe_read() for samples that attach to kprobes probing on user addresses. Signed-off-by: Daniel Borkmann Signed-off-by: Alexei Starovoitov Acked-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/5b0144b3f8e031ec5e2438bd7de8d7877e63bf2f.1572649915.git.daniel@iogearbox.net --- samples/bpf/test_map_in_map_kern.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'samples/bpf/test_map_in_map_kern.c') diff --git a/samples/bpf/test_map_in_map_kern.c b/samples/bpf/test_map_in_map_kern.c index 4f80cbe74c72..32ee752f19df 100644 --- a/samples/bpf/test_map_in_map_kern.c +++ b/samples/bpf/test_map_in_map_kern.c @@ -118,7 +118,7 @@ int trace_sys_connect(struct pt_regs *ctx) if (addrlen != sizeof(*in6)) return 0; - ret = bpf_probe_read(dst6, sizeof(dst6), &in6->sin6_addr); + ret = bpf_probe_read_user(dst6, sizeof(dst6), &in6->sin6_addr); if (ret) { inline_ret = ret; goto done; @@ -129,7 +129,7 @@ int trace_sys_connect(struct pt_regs *ctx) test_case = dst6[7]; - ret = bpf_probe_read(&port, sizeof(port), &in6->sin6_port); + ret = bpf_probe_read_user(&port, sizeof(port), &in6->sin6_port); if (ret) { inline_ret = ret; goto done; -- cgit v1.2.3