// SPDX-License-Identifier: GPL-2.0 /* Converted from tools/testing/selftests/bpf/verifier/ld_ind.c */ #include #include #include "../../../include/linux/filter.h" #include "bpf_misc.h" SEC("socket") __description("ld_ind: check calling conv, r1") __failure __msg("R1 !read_ok") __failure_unpriv __naked void ind_check_calling_conv_r1(void) { asm volatile (" \ r6 = r1; \ r1 = 1; \ .8byte %[ld_ind]; \ r0 = r1; \ exit; \ " : : __imm_insn(ld_ind, BPF_LD_IND(BPF_W, BPF_REG_1, -0x200000)) : __clobber_all); } SEC("socket") __description("ld_ind: check calling conv, r2") __failure __msg("R2 !read_ok") __failure_unpriv __naked void ind_check_calling_conv_r2(void) { asm volatile (" \ r6 = r1; \ r2 = 1; \ .8byte %[ld_ind]; \ r0 = r2; \ exit; \ " : : __imm_insn(ld_ind, BPF_LD_IND(BPF_W, BPF_REG_2, -0x200000)) : __clobber_all); } SEC("socket") __description("ld_ind: check calling conv, r3") __failure __msg("R3 !read_ok") __failure_unpriv __naked void ind_check_calling_conv_r3(void) { asm volatile (" \ r6 = r1; \ r3 = 1; \ .8byte %[ld_ind]; \ r0 = r3; \ exit; \ " : : __imm_insn(ld_ind, BPF_LD_IND(BPF_W, BPF_REG_3, -0x200000)) : __clobber_all); } SEC("socket") __description("ld_ind: check calling conv, r4") __failure __msg("R4 !read_ok") __failure_unpriv __naked void ind_check_calling_conv_r4(void) { asm volatile (" \ r6 = r1; \ r4 = 1; \ .8byte %[ld_ind]; \ r0 = r4; \ exit; \ " : : __imm_insn(ld_ind, BPF_LD_IND(BPF_W, BPF_REG_4, -0x200000)) : __clobber_all); } SEC("socket") __description("ld_ind: check calling conv, r5") __failure __msg("R5 !read_ok") __failure_unpriv __naked void ind_check_calling_conv_r5(void) { asm volatile (" \ r6 = r1; \ r5 = 1; \ .8byte %[ld_ind]; \ r0 = r5; \ exit; \ " : : __imm_insn(ld_ind, BPF_LD_IND(BPF_W, BPF_REG_5, -0x200000)) : __clobber_all); } SEC("socket") __description("ld_ind: check calling conv, r7") __success __success_unpriv __retval(1) __naked void ind_check_calling_conv_r7(void) { asm volatile (" \ r6 = r1; \ r7 = 1; \ .8byte %[ld_ind]; \ r0 = r7; \ exit; \ " : : __imm_insn(ld_ind, BPF_LD_IND(BPF_W, BPF_REG_7, -0x200000)) : __clobber_all); } char _license[] SEC("license") = "GPL";