29 lines
505 B
C
29 lines
505 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/bpf.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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int pid = 0;
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SEC("kprobe.multi")
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int test_override(struct pt_regs *ctx)
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{
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if (bpf_get_current_pid_tgid() >> 32 != pid)
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return 0;
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bpf_override_return(ctx, 123);
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return 0;
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}
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SEC("kprobe")
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int test_kprobe_override(struct pt_regs *ctx)
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{
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if (bpf_get_current_pid_tgid() >> 32 != pid)
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return 0;
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bpf_override_return(ctx, 123);
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return 0;
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}
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