01a0925531
Test verifier/div0.c automatically converted to use inline assembly. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230325025524.144043-19-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
213 lines
4 KiB
C
213 lines
4 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/* Converted from tools/testing/selftests/bpf/verifier/div0.c */
|
|
|
|
#include <linux/bpf.h>
|
|
#include <bpf/bpf_helpers.h>
|
|
#include "bpf_misc.h"
|
|
|
|
SEC("socket")
|
|
__description("DIV32 by 0, zero check 1")
|
|
__success __success_unpriv __retval(42)
|
|
__naked void by_0_zero_check_1_1(void)
|
|
{
|
|
asm volatile (" \
|
|
w0 = 42; \
|
|
w1 = 0; \
|
|
w2 = 1; \
|
|
w2 /= w1; \
|
|
exit; \
|
|
" ::: __clobber_all);
|
|
}
|
|
|
|
SEC("socket")
|
|
__description("DIV32 by 0, zero check 2")
|
|
__success __success_unpriv __retval(42)
|
|
__naked void by_0_zero_check_2_1(void)
|
|
{
|
|
asm volatile (" \
|
|
w0 = 42; \
|
|
r1 = 0xffffffff00000000LL ll; \
|
|
w2 = 1; \
|
|
w2 /= w1; \
|
|
exit; \
|
|
" ::: __clobber_all);
|
|
}
|
|
|
|
SEC("socket")
|
|
__description("DIV64 by 0, zero check")
|
|
__success __success_unpriv __retval(42)
|
|
__naked void div64_by_0_zero_check(void)
|
|
{
|
|
asm volatile (" \
|
|
w0 = 42; \
|
|
w1 = 0; \
|
|
w2 = 1; \
|
|
r2 /= r1; \
|
|
exit; \
|
|
" ::: __clobber_all);
|
|
}
|
|
|
|
SEC("socket")
|
|
__description("MOD32 by 0, zero check 1")
|
|
__success __success_unpriv __retval(42)
|
|
__naked void by_0_zero_check_1_2(void)
|
|
{
|
|
asm volatile (" \
|
|
w0 = 42; \
|
|
w1 = 0; \
|
|
w2 = 1; \
|
|
w2 %%= w1; \
|
|
exit; \
|
|
" ::: __clobber_all);
|
|
}
|
|
|
|
SEC("socket")
|
|
__description("MOD32 by 0, zero check 2")
|
|
__success __success_unpriv __retval(42)
|
|
__naked void by_0_zero_check_2_2(void)
|
|
{
|
|
asm volatile (" \
|
|
w0 = 42; \
|
|
r1 = 0xffffffff00000000LL ll; \
|
|
w2 = 1; \
|
|
w2 %%= w1; \
|
|
exit; \
|
|
" ::: __clobber_all);
|
|
}
|
|
|
|
SEC("socket")
|
|
__description("MOD64 by 0, zero check")
|
|
__success __success_unpriv __retval(42)
|
|
__naked void mod64_by_0_zero_check(void)
|
|
{
|
|
asm volatile (" \
|
|
w0 = 42; \
|
|
w1 = 0; \
|
|
w2 = 1; \
|
|
r2 %%= r1; \
|
|
exit; \
|
|
" ::: __clobber_all);
|
|
}
|
|
|
|
SEC("tc")
|
|
__description("DIV32 by 0, zero check ok, cls")
|
|
__success __retval(8)
|
|
__naked void _0_zero_check_ok_cls_1(void)
|
|
{
|
|
asm volatile (" \
|
|
w0 = 42; \
|
|
w1 = 2; \
|
|
w2 = 16; \
|
|
w2 /= w1; \
|
|
r0 = r2; \
|
|
exit; \
|
|
" ::: __clobber_all);
|
|
}
|
|
|
|
SEC("tc")
|
|
__description("DIV32 by 0, zero check 1, cls")
|
|
__success __retval(0)
|
|
__naked void _0_zero_check_1_cls_1(void)
|
|
{
|
|
asm volatile (" \
|
|
w1 = 0; \
|
|
w0 = 1; \
|
|
w0 /= w1; \
|
|
exit; \
|
|
" ::: __clobber_all);
|
|
}
|
|
|
|
SEC("tc")
|
|
__description("DIV32 by 0, zero check 2, cls")
|
|
__success __retval(0)
|
|
__naked void _0_zero_check_2_cls_1(void)
|
|
{
|
|
asm volatile (" \
|
|
r1 = 0xffffffff00000000LL ll; \
|
|
w0 = 1; \
|
|
w0 /= w1; \
|
|
exit; \
|
|
" ::: __clobber_all);
|
|
}
|
|
|
|
SEC("tc")
|
|
__description("DIV64 by 0, zero check, cls")
|
|
__success __retval(0)
|
|
__naked void by_0_zero_check_cls(void)
|
|
{
|
|
asm volatile (" \
|
|
w1 = 0; \
|
|
w0 = 1; \
|
|
r0 /= r1; \
|
|
exit; \
|
|
" ::: __clobber_all);
|
|
}
|
|
|
|
SEC("tc")
|
|
__description("MOD32 by 0, zero check ok, cls")
|
|
__success __retval(2)
|
|
__naked void _0_zero_check_ok_cls_2(void)
|
|
{
|
|
asm volatile (" \
|
|
w0 = 42; \
|
|
w1 = 3; \
|
|
w2 = 5; \
|
|
w2 %%= w1; \
|
|
r0 = r2; \
|
|
exit; \
|
|
" ::: __clobber_all);
|
|
}
|
|
|
|
SEC("tc")
|
|
__description("MOD32 by 0, zero check 1, cls")
|
|
__success __retval(1)
|
|
__naked void _0_zero_check_1_cls_2(void)
|
|
{
|
|
asm volatile (" \
|
|
w1 = 0; \
|
|
w0 = 1; \
|
|
w0 %%= w1; \
|
|
exit; \
|
|
" ::: __clobber_all);
|
|
}
|
|
|
|
SEC("tc")
|
|
__description("MOD32 by 0, zero check 2, cls")
|
|
__success __retval(1)
|
|
__naked void _0_zero_check_2_cls_2(void)
|
|
{
|
|
asm volatile (" \
|
|
r1 = 0xffffffff00000000LL ll; \
|
|
w0 = 1; \
|
|
w0 %%= w1; \
|
|
exit; \
|
|
" ::: __clobber_all);
|
|
}
|
|
|
|
SEC("tc")
|
|
__description("MOD64 by 0, zero check 1, cls")
|
|
__success __retval(2)
|
|
__naked void _0_zero_check_1_cls_3(void)
|
|
{
|
|
asm volatile (" \
|
|
w1 = 0; \
|
|
w0 = 2; \
|
|
r0 %%= r1; \
|
|
exit; \
|
|
" ::: __clobber_all);
|
|
}
|
|
|
|
SEC("tc")
|
|
__description("MOD64 by 0, zero check 2, cls")
|
|
__success __retval(-1)
|
|
__naked void _0_zero_check_2_cls_3(void)
|
|
{
|
|
asm volatile (" \
|
|
w1 = 0; \
|
|
w0 = -1; \
|
|
r0 %%= r1; \
|
|
exit; \
|
|
" ::: __clobber_all);
|
|
}
|
|
|
|
char _license[] SEC("license") = "GPL";
|