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selftests/bpf: Initialize operation name before use

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[ Upstream commit 55ffbe8a15 ]

ASAN reports stack-buffer-overflow due to the uninitialized op_name.

Initialize it to fix the issue.

Fixes: 054b6c7866 ("selftests/bpf: Add verifier log tests for BPF_BTF_LOAD command")
Signed-off-by: Leo Yan <leo.yan@arm.com>
Acked-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Link: https://lore.kernel.org/r/20260602-tools_build_fix_zero_init_bpf_only-v2-6-c76e5250ea1c@arm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Leo Yan
2026-07-24 16:03:13 +02:00
committed by Greg Kroah-Hartman
parent 6fb80feea3
commit 98219ce3e1
1 changed files with 1 additions and 0 deletions
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tools/testing/selftests/bpf/prog_tests/verifier_log.c
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@@ -317,6 +317,7 @@ static void verif_btf_log_subtest(bool bad_btf)
res = load_btf(&opts, true);
ASSERT_EQ(res, -ENOSPC, "half_log_fd");
ASSERT_EQ(strlen(logs.buf), 24, "log_fixed_25");
strscpy(op_name, "log_fixed", sizeof(op_name));
ASSERT_STRNEQ(logs.buf, logs.reference, 24, op_name);
/* validate rolling verifier log logic: try all variations of log buf