From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793723957; b=q8tymWVaw2H7pgs1PF6r3g9yy2l0WylErXp9PCSTAg1rEpIcWt6GYSfLxcPPVsfn5RTB BdQEzwKTovNgXed42heeDmPjWqoXV5WYES11EndIpKnbJq4H81pg2YTTpqnL4tSKTcl5P OTop9iY2nzZHGz6fpRvKYCneIemYHb71W3zv8A+ccPKQS3kcUz1CpxRkJU5t0VTeBhdBz fW2sRyY82ZsCDcpOvGUokoewRG5LNW5KR/LsOSX9FJO6ZUIc9fBe6IPL1c3lHBAderQoP MomqH6mvXMAx8TP1xeaG8QYrU7dtLq0Dmzr4hVzqFQMf0S8fcE0ew02BKMJzOJQ07Ng== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793723957; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Transfer-Encoding; bh=U1lxcS3q2M2BGowz3comI0WJhii7k0j7HI0vK6MSldo=; b=r4fSXZDXJPJ4sEnMCQUZMLXC2gHLvNqaEObtJGW4rMzv7xmPkSPgK4H1/oMkG9JaMo2M lkyqeyHZ80mX0k0cb0fs2e7JUMGBHwXNxnhfhbWJC8oJ6hJS1a9RUdhwoR78Jj3Mk7K4T uxy6U51thgOIeSZiOyzLanwhuyrZ+XYPtA0l6DOWgFi3eGWDHx9WOHrUqC8xMJ+TIILnC oBsG0XqUq84B8UtIqRTh5aW0V+GjCKeCfSq4Y2dvRITq5SdiR8a7xoaFbLNV6+IStLm3b jBFZ98mDcTd5amrG+XkkJRqT+tDCKqhevlJ0JdvXn4+r1GK06q13g10FtdBSPruGcDw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=QB3fYHuz; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E670A606A336; Tue, 3 Nov 2026 16:39:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=QB3fYHuz Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0C4FF1F00919; Tue, 3 Nov 2026 16:39:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793723956; bh=U1lxcS3q2M2BGowz3comI0WJhii7k0j7HI0vK6MSldo=; h=From:To:Cc:Subject:Date; b=QB3fYHuzgSfjedcjS0LfcKXF0ioqA65RuwWVlcDg7WpTcczrHmM65uT3k0u4ze35N 1E5g9k7+zMPWCdkbQ8+LpnE5KupAvVkmuHwvn9TwMOydXMCL7V1I0mDpb4InEDg3hd E8jAuPwLLzesrFO3mzrZrgYBtwz8C+9WcmDphO43+jGDeULi0kz8NvzOLs84qJMokA QnTyJhatn2rKaNZ5/ZLi6+DgW07p44lT0uOvFfCI9DXkxtb0cHV7wZbGtjzIXYbii4 NwBBYMPIDl/Lccj+3lAbg761XffyhwQ90et1MhFEizjNQM+bufgJTwkX9Xq/558TfZ 3z9StkXbrR5uw== From: Sasha Levin To: Andrew Morton Cc: Suren Baghdasaryan , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Shuah Khan , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] selftests/proc: cast the PROCMAP_QUERY address through uintptr_t Date: Tue, 3 Nov 2026 11:39:15 -0500 Message-ID: <20261103163915.640990-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit proc-maps-race puts a pointer into the 64-bit query_addr field of struct procmap_query with a plain cast, which warns on 32-bit architectures: proc-maps-race.c:626:24: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] Cast through uintptr_t. Signed-off-by: Sasha Levin --- Found with 32-bit builds of the selftests (gcc 16 and clang 21 with -m32, with and without -D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64); KernelCI's 32-bit arm builds show the same warnings. The changed files build without them now, and the x86_64 builds don't change. tools/testing/selftests/proc/proc-maps-race.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/proc/proc-maps-race.c b/tools/testing/selftests/proc/proc-maps-race.c index bf4c5073f6fc8..c484a14eb6491 100644 --- a/tools/testing/selftests/proc/proc-maps-race.c +++ b/tools/testing/selftests/proc/proc-maps-race.c @@ -623,7 +623,7 @@ static bool query_addr_at(int maps_fd, void *addr, memset(&q, 0, sizeof(q)); q.size = sizeof(q); /* Find the VMA at the split address */ - q.query_addr = (unsigned long long)addr; + q.query_addr = (unsigned long long)(uintptr_t)addr; q.query_flags = 0; if (ioctl(maps_fd, PROCMAP_QUERY, &q)) return false; -- 2.53.0