diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/stream_fail.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/stream_fail.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/stream_fail.c b/tools/testing/selftests/bpf/progs/stream_fail.c new file mode 100644 index 000000000000..b4a0d0cc8ec8 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/stream_fail.c @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2025 Meta Platforms, Inc. and affiliates. */ +#include <vmlinux.h> +#include <bpf/bpf_tracing.h> +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_core_read.h> +#include "bpf_misc.h" + +SEC("syscall") +__failure __msg("Possibly NULL pointer passed") +int stream_vprintk_null_arg(void *ctx) +{ + bpf_stream_vprintk(BPF_STDOUT, "", NULL, 0, NULL); + return 0; +} + +SEC("syscall") +__failure __msg("R3 type=scalar expected=") +int stream_vprintk_scalar_arg(void *ctx) +{ + bpf_stream_vprintk(BPF_STDOUT, "", (void *)46, 0, NULL); + return 0; +} + +SEC("syscall") +__failure __msg("arg#1 doesn't point to a const string") +int stream_vprintk_string_arg(void *ctx) +{ + bpf_stream_vprintk(BPF_STDOUT, ctx, NULL, 0, NULL); + return 0; +} + +char _license[] SEC("license") = "GPL"; |