From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 354AF45BD45 for ; Thu, 30 Apr 2026 18:44:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777574652; cv=none; b=dc1HDlI08roXiN+0lACB1qqCxGI+w2FiMRQNH5ZiV8GydECJifJR4zpzv9H6MmSL65JY9/YOiJRf4JM4IVNG4uhs6PbgHkmd2zhWJTvTna8dLZYAOGATIUBEDwVxJAVFqxHgLNdTrc5HmxP+f0kV5CcKiuAJt5FRkN8m3juAgSY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777574652; c=relaxed/simple; bh=/PRIKgLfKPj4zMKorNmQ1wB3iJTK0C/w2vdDIs7PKVk=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=OCQql1Nar8IXWkqIp0ail2Y6HI65K/UCTdK4OwMnifZthmx3RXq4A+oflxPnXr/AzVFAkhwF9QD9e65WJqVXaTsj8GITnaKVMb0FOqhLzafD3fHDoQcNRpCgUscoBBAlrzBXSstFzQUm8SjBAGhQAWO7c6j7ZPmgBns2O2sGn+8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--kuniyu.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=U92MX/DK; arc=none smtp.client-ip=209.85.216.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--kuniyu.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="U92MX/DK" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-354c44bf176so1529033a91.0 for ; Thu, 30 Apr 2026 11:44:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1777574648; x=1778179448; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=YSFg1U9KtAY77SgXkcle8/Z1smWtplMzJzd6qV/sqH0=; b=U92MX/DKFZjA2U0RpyT4OPLiMTkZnNo6UpEezgKpey9pTj0Q6ivtJLxfqhduwFs3Ny zdlynOq/yrfN3Slp7bs7J9F3057oey3DXssKn7IGNYBKC0mH+esBQkJo0O2hSsmc0xcV 31Q3zlAaNFrpDNzBH7KXlWIx4SmbIQ5FUBAF/1RckuG0AH5Y3XHINvc+243mCQTwerki /C6O+U642gbXOj/zjmFQPGQitgIhajw+S79pyTo4xJR3ZB2WZYa/PqvuzDCUt9RwqBYr Zt39kVRAmq+72WC2phGfNeAanb6UpAXDxBGBD2jo67as8eyiLnmeGVD5A7QBoz09OsrG 0tcA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777574648; x=1778179448; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=YSFg1U9KtAY77SgXkcle8/Z1smWtplMzJzd6qV/sqH0=; b=gu5t8ovJDUIB3p6EolWl4m8XcV4apfva9V/PUuNA5JQS5lIyh4T+M499HsKHGGjayW cgC+rDDpRXIWLnVzYDZDVBJznCzFqA6IXT1iC1/NpkYuhzr3hQkn4ikGtHeybuPkbMGl ZlBsGHo2UDPuool2jqEANgB+px7YWM2XIv8PgVL/LUI1yJ125GE3NMlnKlpDbiUlluvH r1vurv2ZWVsCKVfkAJJSR7ka1s5/dAQDDAnAyDM0BEQI/HxjufrjnK4Hc7XtjXDcYOJK 98s7pLV4e+QdnsP67qjZnBML+SNtdHdMhJFbO4+IzNCE/D7WGDGJ6b10IalNmIBUQaf9 zh9Q== X-Forwarded-Encrypted: i=1; AFNElJ+P2AwgkA9zcHFFJ4vtZWoSAKb+bLbwPvpVBW3d49cGWjeqU3Ndi66XrzHjJ6ZTAvcl6Z/Fa7Y=@vger.kernel.org X-Gm-Message-State: AOJu0YxJhkrCcuJqNVGVCuGvRpA0CvbTnrqYnMGESQxhvaclIKCwzFjR Y6ZufV6ya82/Hor53qWKN6RbwWsMa7zhMIP9fTg4k4nASwH5r9dneMTJf1TmLnvbOaA49HWW5eG E19MWXw== X-Received: from pgbq1.prod.google.com ([2002:a63:5c01:0:b0:c74:664d:4080]) (user=kuniyu job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a20:6a0a:b0:39f:aa3:5e56 with SMTP id adf61e73a8af0-3a3cf5e8cd2mr5001483637.14.1777574648207; Thu, 30 Apr 2026 11:44:08 -0700 (PDT) Date: Thu, 30 Apr 2026 18:43:50 +0000 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.54.0.545.g6539524ca2-goog Message-ID: <20260430184405.1227386-1-kuniyu@google.com> Subject: [PATCH v1 bpf 0/2] bpf: tcp: Fix type confusion in bpf_tcp_sock(). From: Kuniyuki Iwashima To: Martin KaFai Lau , Daniel Borkmann , Alexei Starovoitov , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi Cc: John Fastabend , Stanislav Fomichev , Song Liu , Yonghong Song , Jiri Olsa , Eric Dumazet , Kuniyuki Iwashima , Kuniyuki Iwashima , bpf@vger.kernel.org, netdev@vger.kernel.org Content-Type: text/plain; charset="UTF-8" bpf_tcp_sock() only check if sk->sk_protocol is IPPROTO_TCP, but RAW socket can bypass it: socket(AF_INET, SOCK_RAW, IPPROTO_TCP) Patch 1 fixes it and Patch 2 adds a test. Kuniyuki Iwashima (2): bpf: tcp: Fix type confusion in bpf_tcp_sock(). selftest: bpf: Add test for bpf_tcp_sock() and RAW socket. net/core/filter.c | 2 +- .../selftests/bpf/prog_tests/sockopt_sk.c | 17 ++++++++++++++++- tools/testing/selftests/bpf/progs/sockopt_sk.c | 16 ++++++++++++++++ 3 files changed, 33 insertions(+), 2 deletions(-) -- 2.54.0.545.g6539524ca2-goog