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// SPDX-License-Identifier: GPL-2.0
/* Converted from tools/testing/selftests/bpf/verifier/unpriv.c */
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include "bpf_misc.h"
SEC("perf_event")
__description("unpriv: spill/fill of different pointers ldx")
__failure __msg("same insn cannot be used with different pointers")
__naked void fill_of_different_pointers_ldx(void)
{
asm volatile (" \
r6 = r10; \
r6 += -8; \
if r1 == 0 goto l0_%=; \
r2 = r10; \
r2 += %[__imm_0]; \
*(u64*)(r6 + 0) = r2; \
l0_%=: if r1 != 0 goto l1_%=; \
*(u64*)(r6 + 0) = r1; \
l1_%=: r1 = *(u64*)(r6 + 0); \
r1 = *(u64*)(r1 + %[sample_period]); \
r0 = 0; \
exit; \
" :
: __imm_const(__imm_0,
-(__s32) offsetof(struct bpf_perf_event_data, sample_period) - 8),
__imm_const(sample_period,
offsetof(struct bpf_perf_event_data, sample_period))
: __clobber_all);
}
char _license[] SEC("license") = "GPL";
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