From nobody Fri Dec 19 20:45:11 2025 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (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 DA294280A20 for ; Fri, 7 Nov 2025 06:06:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762495599; cv=none; b=DghUgeyELc9Did6Tykp44MB8lU7R46ZKGiMcrNQYJQdxt+ognrbNOSkOA6yy/Nz5u3mmr5G5fispBhgK4wEHpad7J5umj38+n253dojwVsmOILmb3rVzHvhrPaB7zrDXDpG3VJB/m0Yr+g0UQc77v53rI0K3MXj4my+ZhhqGepQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762495599; c=relaxed/simple; bh=HgVq0oT1t9cHEaFHji0HruZMjTN3YRtMRnBXBfyLBlg=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=kefuBJl2e8IH7mMlToUErMYSWDPvN/4mnkF6BGwsCOhd+35tEgRoEmCt9Wtnkmgykzt3Y3/F4w2NoXhEbHSk8B8bAMZ6zYwCbJmGxi87RBc3KruD53tPjLpD5nMgzXubSwd5nzvnxTfEU02Let05p73y5hn41FaFLw8q/dlr6Tw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.71 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f71.google.com with SMTP id ca18e2360f4ac-9488163e81cso39390839f.1 for ; Thu, 06 Nov 2025 22:06:37 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762495597; x=1763100397; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=VDN3jbXMKp6n46RL8k+7eZRlj05P272zWqPwWDyuhL0=; b=F9U0MLWLiKDyW/+VSlab9sPr2yo1Xqf2u/nItIESdR+9gaLBWTJyNN2VkgkT32NiiD QHCQtUnuj5gx4bnqgSrrmOYSCsFZlp3SBCX6EP7cagHJf84ItP6WjKktRXv7D9cGE5Ev C/DquMlV1O4uLbvo63oZfU0V+OJElwv6bdEHEhmFbys/9BWcKxUbJuPtsClAbrUWq0y8 cV4c8ZbI9sYIXRGATa/Q5WR1RnXNfwQXnejpMHCW2PiP8oUT69jJ3u9TeDj/x6DrO+Wy wiuYxIqQrEEI2hcaHaPRPIVif72BoIDH7YCG248I7ZuzMD37BeArK7NQ6VjLk+PZlQZi MAOA== X-Gm-Message-State: AOJu0Yxkqge3npFYGGWPnoLFf/Vz5ORdhY09sKLyLbN2kEYh4Om+jYfq IdDzDuq4kfChVwpBt0gA2DjYBqeQLSqN1C0oqjDlZg4UNReZNExzTQ86LChSQEVExeCQxmPJ2P+ Fj1tLlncAFZkq3XDmmPt7G1WRwHEPKiK5A6YtQchH8rAfj1sSrZKJ/dSBNw8= X-Google-Smtp-Source: AGHT+IHKykHftChLt/8S1sn+3TRhhzWGy+WrbZUn3csaHZfOFCXMrETwR9A/ngl852fRPOSVIdAfsMImzMMUC0fAMolaJzQS5ndP Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c2a:b0:425:744b:52d3 with SMTP id e9e14a558f8ab-4335f3d0280mr34282275ab.11.1762495597073; Thu, 06 Nov 2025 22:06:37 -0800 (PST) Date: Thu, 06 Nov 2025 22:06:37 -0800 In-Reply-To: <6880f58e.050a0220.248954.0001.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <690d8c6d.a70a0220.22f260.001e.GAE@google.com> Subject: Forwarded: [PATCH] net: core: fix KMSAN: unint value in tipc_rcv From: syzbot To: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: [PATCH] net: core: fix KMSAN: unint value in tipc_rcv Author: hariconscious@gmail.com #syz test diff --git a/net/tipc/msg.c b/net/tipc/msg.c index 76284fc538eb..144b02534196 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -69,6 +69,7 @@ struct sk_buff *tipc_buf_acquire(u32 size, gfp_t gfp) { struct sk_buff *skb; + gfp |=3D __GFP_ZERO; skb =3D alloc_skb_fclone(BUF_OVERHEAD + size, gfp); if (skb) { skb_reserve(skb, BUF_HEADROOM);