From mboxrd@z Thu Jan 1 00:00:00 1970 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 A5AB71E488 for ; Sun, 12 May 2024 15:21:14 +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=1715527276; cv=none; b=b18b2/qHU0YRcgcYm0wFzcL/ZhexSiGlz2TazKesSTKhLI+nMolErFqS9tOIndhPJQvwfWz9zKHdj7SvXL6/ukV7mBQwa3rZymnB6Qk3LAFCR/KRTlvhf6cJ/JI9vgpSy/3Y54qFuXYA1cQdQMKVoSQCukTyD/+vnILtupqR6BI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715527276; c=relaxed/simple; bh=elmrxKgW0hKaxkMC0fP+b+IajaE8KGVrpSPp05jxx2I=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=rlepk/krsRY111KY+e3oITHExCb8hPMUtT0zzjeh5QzxQ6DKbkVHhJ9PEgNRW6qokl2XeDZZRkFjdznOUFGNWGdpewYAHbxuQqxuZf8ETG/v+TN3pXTesDGLWJtNybcM7hLqRQNTcjISC48kBAR//Q4Dnbn3dJ1qgzDI5SyhZbE= 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-7d9fde69c43so414598139f.1 for ; Sun, 12 May 2024 08:21:14 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715527274; x=1716132074; 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=IoS4jnpTBQZakglqbSVS4edXPZosbzQzuVKYSBONQRc=; b=GQsLAjbRGMk5yiIhfKXu8MslXRlS7DoYTuI2UT2ySDA7jc2/sVUmlL7chNf1p+sCFp rzpmDaR1gcGVjgA4pap2eV20/BiKMAGizzECV8Hocqf0527SJJ+dy+fVNPchk/d4udif 7WRV54OK8a4HMbi4UNojbrEYmFPWWui7KgGCmKhFaRXQqPuL8Vzu6IaGPtUeh9806sgU ET11pi29an0T6umknLL5vGRt2hcY+aj7ESizpTSAI0+OsHIgc0kCKiREOkFbr0cPSu/z 3+zfit65jiuFrFRpA+cO5Xqwf6co6iU3Bas4NcZhGY9R1bOl7e+rthbEoZwhsRd/+LjX S0GQ== X-Gm-Message-State: AOJu0YynZVj1XAqqppGoCs1cLRsuYY9MSaLpZB4m7fvp1ObaITQ8OmXb XE4TGlC+UwIsO3PfYiM8LIXGdIt/pAw/sjEJtaZw4CrvM6Y7rj541Hrxei7B3567PIWDaSu9ClJ CV5ZUr13fQfoljSoBn7hu/b9UCVkEqadJRgCdSSooKST6DhbWfHTCp6Q= X-Google-Smtp-Source: AGHT+IFS+nZOZ4a1iPKBwKvPMi9y6R6UKo3ShCBqMvOtCA+x03FKCadtRtgRGfbeMzy6n8GiPlPCo0AGdbNEM7V4uOmpPv9/4JZM Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:2b8e:b0:7de:e16b:4b81 with SMTP id ca18e2360f4ac-7e1b5209a83mr74857739f.2.1715527273867; Sun, 12 May 2024 08:21:13 -0700 (PDT) Date: Sun, 12 May 2024 08:21:13 -0700 In-Reply-To: <0000000000007e4a2e0616fdde23@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c2fd68061843519d@google.com> Subject: Re: [syzbot] Test for 5681e40d297b30f5b513 From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: Test for 5681e40d297b30f5b513 Author: syoshida@redhat.com #syz test diff --git a/net/can/j1939/main.c b/net/can/j1939/main.c index a6fb89fa6278..df01628c6509 100644 --- a/net/can/j1939/main.c +++ b/net/can/j1939/main.c @@ -344,6 +344,9 @@ int j1939_send_one(struct j1939_priv *priv, struct sk_buff *skb) /* make it a full can frame again */ skb_put(skb, J1939_CAN_FTR + (8 - dlc)); + /* initialize unused data */ + memset(cf->data + dlc, 0, 8 - dlc); + canid = CAN_EFF_FLAG | (skcb->priority << 26) | (skcb->addr.pgn << 8) |