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(118-163-61-247.hinet-ip.hinet.net. [118.163.61.247]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2cebec91c92sm51358305ad.56.2026.07.14.22.35.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jul 2026 22:35:32 -0700 (PDT) From: Kuan-Ying Lee To: kuan-ying.lee@canonical.com, Kees Cook , Andy Lutomirski , Will Drewry , Shuah Khan , Jiri Olsa , "Peter Zijlstra (Intel)" Cc: linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org Subject: [PATCH] selftests/seccomp: Fix pointer type mismatch build error Date: Wed, 15 Jul 2026 13:35:52 +0800 Message-ID: <20260715053559.28535-1-kuan-ying.lee@canonical.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable We hit the following build error while running the seccomp selftests in our testing. CC seccomp_bpf seccomp_bpf.c: In function =E2=80=98UPROBE_setup=E2=80=99: seccomp_bpf.c:5175:74: error: pointer type mismatch in conditional expressi= on [-Wincompatible-pointer-types] 5175 | offset =3D get_uprobe_offset(variant->uretprobe ? probed_uretprobe := probed_uprobe); | ^ seccomp_bpf.c:5175:57: note: first expression has type =E2=80=98int (*)(voi= d)=E2=80=99 5175 | offset =3D get_uprobe_offset(variant->uretprobe ? probed_uretprobe := probed_uprobe); | ^~~~~~~~~~~~~~~~ seccomp_bpf.c:5175:76: note: second expression has type =E2=80=98int (__att= ribute__((nocf_check)) *)(void)=E2=80=99 5175 | offset =3D get_uprobe_offset(variant->uretprobe ? probed_uretprobe := probed_uprobe); | ^~~~~~~~~~~~~ get_uprobe_offset() takes a 'const void *' argument, so cast both operands to 'void *'. Fixes: 9ffc7a635c35 ("selftests/seccomp: validate uprobe syscall passes thr= ough seccomp") Signed-off-by: Kuan-Ying Lee Acked-by: Jiri Olsa --- tools/testing/selftests/seccomp/seccomp_bpf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/= selftests/seccomp/seccomp_bpf.c index 358b6c65e120..0622bc2acad4 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -5178,7 +5178,8 @@ FIXTURE_SETUP(UPROBE) ASSERT_GE(bit, 0); } =20 - offset =3D get_uprobe_offset(variant->uretprobe ? probed_uretprobe : prob= ed_uprobe); + offset =3D get_uprobe_offset(variant->uretprobe ? (void *)probed_uretprobe + : (void *)probed_uprobe); ASSERT_GE(offset, 0); =20 if (variant->uretprobe) --=20 2.43.0