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// SPDX-License-Identifier: GPL-2.0
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include "bpf_misc.h"
SEC("socket")
__description("or_jmp32_k: bit ops + branch on unknown value")
__failure
__msg("R0 invalid mem access 'scalar'")
__naked void or_jmp32_k(void)
{
asm volatile (" \
r0 = 0xffffffff; \
r0 /= 1; \
r1 = 0; \
w1 = -1; \
w1 >>= 1; \
w0 &= w1; \
w0 |= 2; \
if w0 != 0x7ffffffd goto l1; \
r0 = 1; \
exit; \
l3: \
r0 = 5; \
*(u64*)(r0 - 8) = r0; \
exit; \
l2: \
w0 -= 0xe; \
if w0 == 1 goto l3; \
r0 = 4; \
exit; \
l1: \
w0 -= 0x7ffffff0; \
if w0 s>= 0xe goto l2; \
r0 = 3; \
exit; \
" ::: __clobber_all);
}
char _license[] SEC("license") = "GPL";
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