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Modify some code about test_verifier #11344

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Modify some code about test_verifier #11344

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5a3f625
selftests/bpf: Check alignment flag if expected result is REJECT
seehearfeel Mar 10, 2026
509e17f
selftests/bpf: Add alignment flag for test_verifier 190 testcase
seehearfeel Mar 10, 2026
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5 changes: 5 additions & 0 deletions tools/testing/selftests/bpf/test_verifier.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1640,6 +1640,11 @@ static void do_test_single(struct bpf_test *test, bool unpriv,
printf("FAIL\nUnexpected success to load!\n");
goto fail_log;
}
#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
if (fd_prog < 0 &&
(test->flags & F_NEEDS_EFFICIENT_UNALIGNED_ACCESS))
alignment_prevented_execution = 1;
#endif
if (!expected_err || !cmp_str_seq(bpf_vlog, expected_err)) {
printf("FAIL\nUnexpected error message!\n\tEXP: %s\n\tRES: %s\n",
expected_err, bpf_vlog);
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1 change: 1 addition & 0 deletions tools/testing/selftests/bpf/verifier/calls.c
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Expand Up @@ -1521,6 +1521,7 @@
.errstr = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.errstr_unpriv = "invalid read from stack R7 off=-16 size=8",
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"calls: two calls that receive map_value via arg=ptr_stack_of_caller. test1",
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