// SPDX-License-Identifier: GPL-2.0
/* Converted from tools/testing/selftests/bpf/verifier/int_ptr.c */
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include "bpf_misc.h"
SEC("socket" )
__description("arg pointer to long uninitialized" )
__success
__naked void arg_ptr_to_long_uninitialized(void )
{
asm volatile (" \
/* bpf_strtoul arg1 (buf) */ \
r7 = r10; \
r7 += -8 ; \
r0 = 0 x00303036; \
*(u64*)(r7 + 0 ) = r0; \
r1 = r7; \
/* bpf_strtoul arg2 (buf_len) */ \
r2 = 4 ; \
/* bpf_strtoul arg3 (flags) */ \
r3 = 0 ; \
/* bpf_strtoul arg4 (res) */ \
r7 += -8 ; \
r4 = r7; \
/* bpf_strtoul() */ \
call %[bpf_strtoul]; \
r0 = 1 ; \
exit ; \
" :
: __imm(bpf_strtoul)
: __clobber_all);
}
SEC("socket" )
__description("arg pointer to long half-uninitialized" )
__success
__retval(0 )
__naked void ptr_to_long_half_uninitialized(void )
{
asm volatile (" \
/* bpf_strtoul arg1 (buf) */ \
r7 = r10; \
r7 += -8 ; \
r0 = 0 x00303036; \
*(u64*)(r7 + 0 ) = r0; \
r1 = r7; \
/* bpf_strtoul arg2 (buf_len) */ \
r2 = 4 ; \
/* bpf_strtoul arg3 (flags) */ \
r3 = 0 ; \
/* bpf_strtoul arg4 (res) */ \
r7 += -8 ; \
*(u32*)(r7 + 0 ) = r0; \
r4 = r7; \
/* bpf_strtoul() */ \
call %[bpf_strtoul]; \
r0 = 0 ; \
exit ; \
" :
: __imm(bpf_strtoul)
: __clobber_all);
}
SEC("cgroup/sysctl" )
__description("arg pointer to long misaligned" )
__failure __msg("misaligned stack access off 0+-20+0 size 8" )
__naked void arg_ptr_to_long_misaligned(void )
{
asm volatile (" \
/* bpf_strtoul arg1 (buf) */ \
r7 = r10; \
r7 += -8 ; \
r0 = 0 x00303036; \
*(u64*)(r7 + 0 ) = r0; \
r1 = r7; \
/* bpf_strtoul arg2 (buf_len) */ \
r2 = 4 ; \
/* bpf_strtoul arg3 (flags) */ \
r3 = 0 ; \
/* bpf_strtoul arg4 (res) */ \
r7 += -12 ; \
r0 = 0 ; \
*(u32*)(r7 + 0 ) = r0; \
*(u64*)(r7 + 4 ) = r0; \
r4 = r7; \
/* bpf_strtoul() */ \
call %[bpf_strtoul]; \
r0 = 1 ; \
exit ; \
" :
: __imm(bpf_strtoul)
: __clobber_all);
}
SEC("cgroup/sysctl" )
__description("arg pointer to long size < sizeof(long)" )
__failure __msg("invalid write to stack R4 off=-4 size=8" )
__naked void to_long_size_sizeof_long(void )
{
asm volatile (" \
/* bpf_strtoul arg1 (buf) */ \
r7 = r10; \
r7 += -16 ; \
r0 = 0 x00303036; \
*(u64*)(r7 + 0 ) = r0; \
r1 = r7; \
/* bpf_strtoul arg2 (buf_len) */ \
r2 = 4 ; \
/* bpf_strtoul arg3 (flags) */ \
r3 = 0 ; \
/* bpf_strtoul arg4 (res) */ \
r7 += 12 ; \
*(u32*)(r7 + 0 ) = r0; \
r4 = r7; \
/* bpf_strtoul() */ \
call %[bpf_strtoul]; \
r0 = 1 ; \
exit ; \
" :
: __imm(bpf_strtoul)
: __clobber_all);
}
SEC("cgroup/sysctl" )
__description("arg pointer to long initialized" )
__success
__naked void arg_ptr_to_long_initialized(void )
{
asm volatile (" \
/* bpf_strtoul arg1 (buf) */ \
r7 = r10; \
r7 += -8 ; \
r0 = 0 x00303036; \
*(u64*)(r7 + 0 ) = r0; \
r1 = r7; \
/* bpf_strtoul arg2 (buf_len) */ \
r2 = 4 ; \
/* bpf_strtoul arg3 (flags) */ \
r3 = 0 ; \
/* bpf_strtoul arg4 (res) */ \
r7 += -8 ; \
*(u64*)(r7 + 0 ) = r0; \
r4 = r7; \
/* bpf_strtoul() */ \
call %[bpf_strtoul]; \
r0 = 1 ; \
exit ; \
" :
: __imm(bpf_strtoul)
: __clobber_all);
}
char _license[] SEC("license" ) = "GPL" ;
Messung V0.5 in Prozent C=96 H=87 G=91
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-08)
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