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3d237467a4
Adding test to check we can't attach kprobe multi program that writes to the context. It's x86_64 specific test. Acked-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Link: https://lore.kernel.org/r/20250916215301.664963-7-jolsa@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
23 lines
378 B
C
23 lines
378 B
C
// SPDX-License-Identifier: GPL-2.0
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#include "vmlinux.h"
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_tracing.h>
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char _license[] SEC("license") = "GPL";
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#if defined(__TARGET_ARCH_x86)
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SEC("kprobe")
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int kprobe_write_ctx(struct pt_regs *ctx)
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{
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ctx->ax = 0;
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return 0;
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}
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SEC("kprobe.multi")
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int kprobe_multi_write_ctx(struct pt_regs *ctx)
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{
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ctx->ax = 0;
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return 0;
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}
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#endif
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